diff --git a/MAINTAINERS b/MAINTAINERS
index d4242846e7afbc64588adedd2e9e8e7cd04804d0..54d94ca9d6e8376a2a0f579e98dae44ba6fc904b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -5565,6 +5565,15 @@ W: http://tcp-lp-mod.sourceforge.net/
S: Maintained
F: net/ipv4/tcp_lp.c
+TEGRA SUPPORT
+M: Colin Cross <ccross@android.com>
+M: Erik Gilling <konkers@android.com>
+M: Olof Johansson <olof@lixom.net>
+L: linux-tegra@vger.kernel.org
+T: git git://android.git.kernel.org/kernel/tegra.git
+S: Supported
+F: arch/arm/mach-tegra
+
TEHUTI ETHERNET DRIVER
M: Alexander Indenbaum <baum@tehutinetworks.net>
M: Andy Gospodarek <andy@greyhouse.net>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 9e10882c81d7746e06f0908cb5ce0198e2d2654d..232f0c7582520e97b4d7779bf760d1df69a3cfbe 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -558,6 +558,18 @@ config ARCH_NUC93X
Support for Nuvoton (Winbond logic dept.) NUC93X MCU,The NUC93X is a
low-power and high performance MPEG-4/JPEG multimedia controller chip.
+config ARCH_TEGRA
+ bool "NVIDIA Tegra"
+ select GENERIC_TIME
+ select GENERIC_CLOCKEVENTS
+ select GENERIC_GPIO
+ select HAVE_CLK
+ select COMMON_CLKDEV
+ select ARCH_HAS_BARRIERS if CACHE_L2X0
+ help
+ This enables support for NVIDIA Tegra based systems (Tegra APX,
+ Tegra 6xx and Tegra 2 series).
+
config ARCH_PNX4008
bool "Philips Nexperia PNX4008 Mobile"
select CPU_ARM926T
@@ -907,6 +919,8 @@ source "arch/arm/mach-shmobile/Kconfig"
source "arch/arm/plat-stmp3xxx/Kconfig"
+source "arch/arm/mach-tegra/Kconfig"
+
source "arch/arm/mach-u300/Kconfig"
source "arch/arm/mach-ux500/Kconfig"
@@ -1094,10 +1108,11 @@ config SMP
bool "Symmetric Multi-Processing (EXPERIMENTAL)"
depends on EXPERIMENTAL && (REALVIEW_EB_ARM11MP || REALVIEW_EB_A9MP ||\
MACH_REALVIEW_PB11MP || MACH_REALVIEW_PBX || ARCH_OMAP4 ||\
- ARCH_U8500 || ARCH_VEXPRESS_CA9X4)
+ ARCH_U8500 || ARCH_VEXPRESS_CA9X4 || ARCH_TEGRA)
depends on GENERIC_CLOCKEVENTS
select USE_GENERIC_SMP_HELPERS
- select HAVE_ARM_SCU if (ARCH_REALVIEW || ARCH_OMAP4 || ARCH_U8500 || ARCH_VEXPRESS_CA9X4)
+ select HAVE_ARM_SCU if (ARCH_REALVIEW || ARCH_OMAP4 || ARCH_U8500 || \
+ ARCH_VEXPRESS_CA9X4 || ARCH_TEGRA)
help
This enables support for systems with more than one CPU. If you have
a system with only one CPU, like most personal computers, say N. If
@@ -1167,9 +1182,10 @@ config LOCAL_TIMERS
bool "Use local timer interrupts"
depends on SMP && (REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP || \
REALVIEW_EB_A9MP || MACH_REALVIEW_PBX || ARCH_OMAP4 || \
- ARCH_U8500 || ARCH_VEXPRESS_CA9X4)
+ ARCH_U8500 || ARCH_VEXPRESS_CA9X4 || ARCH_TEGRA)
default y
- select HAVE_ARM_TWD if (ARCH_REALVIEW || ARCH_VEXPRESS || ARCH_OMAP4 || ARCH_U8500)
+ select HAVE_ARM_TWD if (ARCH_REALVIEW || ARCH_VEXPRESS || ARCH_OMAP4 || \\
+ ARCH_U8500 || ARCH_TEGRA
help
Enable support for local timers on SMP platforms, rather then the
legacy IPI broadcast method. Local timers allows the system
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 63d998e8c672ef4488eb72df2cfdcce2f7ae502f..a8d4dca9da35a4310ee9a65ff08856957629f0f0 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -179,6 +179,7 @@ machine-$(CONFIG_ARCH_SHARK) := shark
machine-$(CONFIG_ARCH_SHMOBILE) := shmobile
machine-$(CONFIG_ARCH_STMP378X) := stmp378x
machine-$(CONFIG_ARCH_STMP37XX) := stmp37xx
+machine-$(CONFIG_ARCH_TEGRA) := tegra
machine-$(CONFIG_ARCH_U300) := u300
machine-$(CONFIG_ARCH_U8500) := ux500
machine-$(CONFIG_ARCH_VERSATILE) := versatile
diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
new file mode 100644
index 0000000000000000000000000000000000000000..a57713c1954abe0ca329648d7fc398c8ac3d64f7
--- /dev/null
+++ b/arch/arm/mach-tegra/Kconfig
@@ -0,0 +1,50 @@
+if ARCH_TEGRA
+
+comment "NVIDIA Tegra options"
+
+choice
+ prompt "Select Tegra processor family for target system"
+
+config ARCH_TEGRA_2x_SOC
+ bool "Tegra 2 family"
+ select CPU_V7
+ select ARM_GIC
+ select ARCH_REQUIRE_GPIOLIB
+ help
+ Support for NVIDIA Tegra AP20 and T20 processors, based on the
+ ARM CortexA9MP CPU and the ARM PL310 L2 cache controller
+
+endchoice
+
+comment "Tegra board type"
+
+config MACH_HARMONY
+ bool "Harmony board"
+ help
+ Support for nVidia Harmony development platform
+
+choice
+ prompt "Low-level debug console UART"
+ default TEGRA_DEBUG_UART_NONE
+
+config TEGRA_DEBUG_UART_NONE
+ bool "None"
+
+config TEGRA_DEBUG_UARTA
+ bool "UART-A"
+
+config TEGRA_DEBUG_UARTB
+ bool "UART-B"
+
+config TEGRA_DEBUG_UARTC
+ bool "UART-C"
+
+config TEGRA_DEBUG_UARTD
+ bool "UART-D"
+
+config TEGRA_DEBUG_UARTE
+ bool "UART-E"
+
+endchoice
+
+endif
diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile
new file mode 100644
index 0000000000000000000000000000000000000000..51e9370eed99bb4ffb23323610fff4e5f3cd9787
--- /dev/null
+++ b/arch/arm/mach-tegra/Makefile
@@ -0,0 +1,14 @@
+obj-y += common.o
+obj-y += io.o
+obj-y += irq.o
+obj-y += clock.o
+obj-y += timer.o
+obj-y += gpio.o
+obj-y += pinmux.o
+obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += clock.o
+obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra2_clocks.o
+obj-$(CONFIG_SMP) += platsmp.o localtimer.o headsmp.o
+obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o
+
+obj-${CONFIG_MACH_HARMONY} += board-harmony.o
+obj-${CONFIG_MACH_HARMONY} += board-harmony-pinmux.o
diff --git a/arch/arm/mach-tegra/Makefile.boot b/arch/arm/mach-tegra/Makefile.boot
new file mode 100644
index 0000000000000000000000000000000000000000..db52d61a73860cb0b4c19fa6c488303cbe15c210
--- /dev/null
+++ b/arch/arm/mach-tegra/Makefile.boot
@@ -0,0 +1,3 @@
+zreladdr-$(CONFIG_ARCH_TEGRA_2x_SOC) := 0x00008000
+params_phys-$(CONFIG_ARCH_TEGRA_2x_SOC) := 0x00000100
+initrd_phys-$(CONFIG_ARCH_TEGRA_2x_SOC) := 0x00800000
diff --git a/arch/arm/mach-tegra/board-harmony-pinmux.c b/arch/arm/mach-tegra/board-harmony-pinmux.c
new file mode 100644
index 0000000000000000000000000000000000000000..50b15d500cacc73817258202178b0b79fc42478b
--- /dev/null
+++ b/arch/arm/mach-tegra/board-harmony-pinmux.c
@@ -0,0 +1,144 @@
+/*
+ * arch/arm/mach-tegra/board-harmony-pinmux.c
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <mach/pinmux.h>
+
+#include "board-harmony.h"
+
+static struct tegra_pingroup_config harmony_pinmux[] = {
+ {TEGRA_PINGROUP_ATA, TEGRA_MUX_IDE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_ATB, TEGRA_MUX_SDIO4, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_ATC, TEGRA_MUX_NAND, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_ATD, TEGRA_MUX_GMI, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_ATE, TEGRA_MUX_GMI, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_CDEV1, TEGRA_MUX_OSC, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_CDEV2, TEGRA_MUX_PLLP_OUT4, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_CRTP, TEGRA_MUX_CRT, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_CSUS, TEGRA_MUX_VI_SENSOR_CLK, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_DAP1, TEGRA_MUX_DAP1, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_DAP2, TEGRA_MUX_DAP2, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_DAP3, TEGRA_MUX_DAP3, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_DAP4, TEGRA_MUX_DAP4, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_DDC, TEGRA_MUX_I2C2, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_DTA, TEGRA_MUX_SDIO2, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_DTB, TEGRA_MUX_RSVD1, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_DTC, TEGRA_MUX_RSVD1, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_DTD, TEGRA_MUX_SDIO2, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_DTE, TEGRA_MUX_RSVD1, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_DTF, TEGRA_MUX_I2C3, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_GMA, TEGRA_MUX_SDIO4, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_GMB, TEGRA_MUX_GMI, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_GMC, TEGRA_MUX_UARTD, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_GMD, TEGRA_MUX_GMI, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_GME, TEGRA_MUX_SDIO4, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_GPU, TEGRA_MUX_GMI, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_GPU7, TEGRA_MUX_RTCK, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_GPV, TEGRA_MUX_PCIE, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_HDINT, TEGRA_MUX_HDMI, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_I2CP, TEGRA_MUX_I2C, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_IRRX, TEGRA_MUX_UARTA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_IRTX, TEGRA_MUX_UARTA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_KBCA, TEGRA_MUX_KBC, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_KBCB, TEGRA_MUX_KBC, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_KBCC, TEGRA_MUX_KBC, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_KBCD, TEGRA_MUX_KBC, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_KBCE, TEGRA_MUX_KBC, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_KBCF, TEGRA_MUX_KBC, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_LCSN, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_LD0, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_LD1, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_LD10, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_LD11, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_LD12, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_LD13, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_LD14, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_LD15, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_LD16, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_LD17, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_LD2, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_LD3, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_LD4, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_LD5, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_LD6, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_LD7, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_LD8, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_LD9, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_LDC, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_LDI, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_LHP0, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_LHP1, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_LHP2, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_LHS, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_LM0, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_LM1, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_LPP, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_LPW0, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_LPW1, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_LPW2, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_LSC0, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_LSC1, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_LSCK, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_LSDA, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_LSDI, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_LSPI, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_LVP0, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_LVP1, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_LVS, TEGRA_MUX_DISPLAYA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_OWC, TEGRA_MUX_RSVD2, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_PMC, TEGRA_MUX_PWR_ON, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_PTA, TEGRA_MUX_HDMI, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_RM, TEGRA_MUX_I2C, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_SDB, TEGRA_MUX_PWM, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_SDC, TEGRA_MUX_PWM, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_SDD, TEGRA_MUX_PWM, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_SDIO1, TEGRA_MUX_SDIO1, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_SLXA, TEGRA_MUX_PCIE, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_SLXC, TEGRA_MUX_SPDIF, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_SLXD, TEGRA_MUX_SPDIF, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_SLXK, TEGRA_MUX_PCIE, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_SPDI, TEGRA_MUX_RSVD2, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_SPDO, TEGRA_MUX_RSVD2, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_SPIA, TEGRA_MUX_GMI, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_SPIB, TEGRA_MUX_GMI, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_SPIC, TEGRA_MUX_GMI, TEGRA_PUPD_PULL_UP, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_SPID, TEGRA_MUX_SPI1, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_SPIE, TEGRA_MUX_SPI1, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_SPIF, TEGRA_MUX_SPI1, TEGRA_PUPD_PULL_DOWN, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_SPIG, TEGRA_MUX_SPI2_ALT, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_SPIH, TEGRA_MUX_SPI2_ALT, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_UAA, TEGRA_MUX_ULPI, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_UAB, TEGRA_MUX_ULPI, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_UAC, TEGRA_MUX_RSVD2, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_UAD, TEGRA_MUX_IRDA, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_UCA, TEGRA_MUX_UARTC, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_UCB, TEGRA_MUX_UARTC, TEGRA_PUPD_PULL_UP, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_UDA, TEGRA_MUX_ULPI, TEGRA_PUPD_NORMAL, TEGRA_TRI_TRISTATE},
+ {TEGRA_PINGROUP_CK32, TEGRA_MUX_NONE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_DDRC, TEGRA_MUX_NONE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_PMCA, TEGRA_MUX_NONE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_PMCB, TEGRA_MUX_NONE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_PMCC, TEGRA_MUX_NONE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_PMCD, TEGRA_MUX_NONE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_PMCE, TEGRA_MUX_NONE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_XM2C, TEGRA_MUX_NONE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
+ {TEGRA_PINGROUP_XM2D, TEGRA_MUX_NONE, TEGRA_PUPD_NORMAL, TEGRA_TRI_NORMAL},
+};
+
+void harmony_pinmux_init(void)
+{
+ tegra_pinmux_config_table(harmony_pinmux, ARRAY_SIZE(harmony_pinmux));
+}
diff --git a/arch/arm/mach-tegra/board-harmony.c b/arch/arm/mach-tegra/board-harmony.c
new file mode 100644
index 0000000000000000000000000000000000000000..05e78dd9b50ca22ef7b20e91f8a21e6e92c8021d
--- /dev/null
+++ b/arch/arm/mach-tegra/board-harmony.c
@@ -0,0 +1,127 @@
+/*
+ * arch/arm/mach-tegra/board-harmony.c
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/serial_8250.h>
+#include <linux/clk.h>
+#include <linux/dma-mapping.h>
+#include <linux/pda_power.h>
+#include <linux/io.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+#include <asm/setup.h>
+
+#include <mach/iomap.h>
+#include <mach/irqs.h>
+
+#include "board.h"
+#include "board-harmony.h"
+#include "clock.h"
+
+/* NVidia bootloader tags */
+#define ATAG_NVIDIA 0x41000801
+
+#define ATAG_NVIDIA_RM 0x1
+#define ATAG_NVIDIA_DISPLAY 0x2
+#define ATAG_NVIDIA_FRAMEBUFFER 0x3
+#define ATAG_NVIDIA_CHIPSHMOO 0x4
+#define ATAG_NVIDIA_CHIPSHMOOPHYS 0x5
+#define ATAG_NVIDIA_PRESERVED_MEM_0 0x10000
+#define ATAG_NVIDIA_PRESERVED_MEM_N 2
+#define ATAG_NVIDIA_FORCE_32 0x7fffffff
+
+struct tag_tegra {
+ __u32 bootarg_key;
+ __u32 bootarg_len;
+ char bootarg[1];
+};
+
+static int __init parse_tag_nvidia(const struct tag *tag)
+{
+
+ return 0;
+}
+__tagtable(ATAG_NVIDIA, parse_tag_nvidia);
+
+static struct plat_serial8250_port debug_uart_platform_data[] = {
+ {
+ .membase = IO_ADDRESS(TEGRA_UARTD_BASE),
+ .mapbase = TEGRA_UARTD_BASE,
+ .irq = INT_UARTD,
+ .flags = UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = 216000000,
+ }, {
+ .flags = 0
+ }
+};
+
+static struct platform_device debug_uart = {
+ .name = "serial8250",
+ .id = PLAT8250_DEV_PLATFORM,
+ .dev = {
+ .platform_data = debug_uart_platform_data,
+ },
+};
+
+static struct platform_device *harmony_devices[] __initdata = {
+ &debug_uart,
+};
+
+static void __init tegra_harmony_fixup(struct machine_desc *desc,
+ struct tag *tags, char **cmdline, struct meminfo *mi)
+{
+ mi->nr_banks = 2;
+ mi->bank[0].start = PHYS_OFFSET;
+ mi->bank[0].node = PHYS_TO_NID(PHYS_OFFSET);
+ mi->bank[0].size = 448 * SZ_1M;
+ mi->bank[1].start = SZ_512M;
+ mi->bank[1].node = PHYS_TO_NID(SZ_512M);
+ mi->bank[1].size = SZ_512M;
+}
+
+static __initdata struct tegra_clk_init_table harmony_clk_init_table[] = {
+ /* name parent rate enabled */
+ { "uartd", "pll_p", 216000000, true },
+ { NULL, NULL, 0, 0},
+};
+
+static void __init tegra_harmony_init(void)
+{
+ tegra_common_init();
+
+ tegra_clk_init_from_table(harmony_clk_init_table);
+
+ harmony_pinmux_init();
+
+ platform_add_devices(harmony_devices, ARRAY_SIZE(harmony_devices));
+}
+
+MACHINE_START(HARMONY, "harmony")
+ .boot_params = 0x00000100,
+ .phys_io = IO_APB_PHYS,
+ .io_pg_offst = ((IO_APB_VIRT) >> 18) & 0xfffc,
+ .fixup = tegra_harmony_fixup,
+ .init_irq = tegra_init_irq,
+ .init_machine = tegra_harmony_init,
+ .map_io = tegra_map_common_io,
+ .timer = &tegra_timer,
+MACHINE_END
diff --git a/arch/arm/mach-tegra/board-harmony.h b/arch/arm/mach-tegra/board-harmony.h
new file mode 100644
index 0000000000000000000000000000000000000000..09ca7755dd5558b966833be98ea75c18e5b6efd0
--- /dev/null
+++ b/arch/arm/mach-tegra/board-harmony.h
@@ -0,0 +1,22 @@
+/*
+ * arch/arm/mach-tegra/board-harmony.h
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef _MACH_TEGRA_BOARD_HARMONY_H
+#define _MACH_TEGRA_BOARD_HARMONY_H
+
+void harmony_pinmux_init(void);
+
+#endif
diff --git a/arch/arm/mach-tegra/board.h b/arch/arm/mach-tegra/board.h
new file mode 100644
index 0000000000000000000000000000000000000000..3d06354136f2663ff2f80cdbfa9b441671dc4146
--- /dev/null
+++ b/arch/arm/mach-tegra/board.h
@@ -0,0 +1,32 @@
+/*
+ * arch/arm/mach-tegra/board.h
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ * Colin Cross <ccross@google.com>
+ * Erik Gilling <konkers@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __MACH_TEGRA_BOARD_H
+#define __MACH_TEGRA_BOARD_H
+
+#include <linux/types.h>
+
+void __init tegra_common_init(void);
+void __init tegra_map_common_io(void);
+void __init tegra_init_irq(void);
+void __init tegra_init_clock(void);
+
+extern struct sys_timer tegra_timer;
+#endif
diff --git a/arch/arm/mach-tegra/clock.c b/arch/arm/mach-tegra/clock.c
new file mode 100644
index 0000000000000000000000000000000000000000..03ad578349b98aa55e89f8639ff49663dd0f8d6d
--- /dev/null
+++ b/arch/arm/mach-tegra/clock.c
@@ -0,0 +1,488 @@
+/*
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ * Colin Cross <ccross@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/clk.h>
+#include <linux/list.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/debugfs.h>
+#include <linux/slab.h>
+#include <linux/seq_file.h>
+#include <asm/clkdev.h>
+
+#include "clock.h"
+
+static LIST_HEAD(clocks);
+
+static DEFINE_SPINLOCK(clock_lock);
+
+struct clk *tegra_get_clock_by_name(const char *name)
+{
+ struct clk *c;
+ struct clk *ret = NULL;
+ unsigned long flags;
+ spin_lock_irqsave(&clock_lock, flags);
+ list_for_each_entry(c, &clocks, node) {
+ if (strcmp(c->name, name) == 0) {
+ ret = c;
+ break;
+ }
+ }
+ spin_unlock_irqrestore(&clock_lock, flags);
+ return ret;
+}
+
+int clk_reparent(struct clk *c, struct clk *parent)
+{
+ pr_debug("%s: %s\n", __func__, c->name);
+ if (c->refcnt && c->parent)
+ clk_disable_locked(c->parent);
+ c->parent = parent;
+ if (c->refcnt && c->parent)
+ clk_enable_locked(c->parent);
+ list_del(&c->sibling);
+ list_add_tail(&c->sibling, &parent->children);
+ return 0;
+}
+
+static void propagate_rate(struct clk *c)
+{
+ struct clk *clkp;
+ pr_debug("%s: %s\n", __func__, c->name);
+ list_for_each_entry(clkp, &c->children, sibling) {
+ pr_debug(" %s\n", clkp->name);
+ if (clkp->ops->recalculate_rate)
+ clkp->ops->recalculate_rate(clkp);
+ propagate_rate(clkp);
+ }
+}
+
+void clk_init(struct clk *c)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&clock_lock, flags);
+
+ INIT_LIST_HEAD(&c->children);
+ INIT_LIST_HEAD(&c->sibling);
+
+ if (c->ops && c->ops->init)
+ c->ops->init(c);
+
+ list_add(&c->node, &clocks);
+
+ if (c->parent)
+ list_add_tail(&c->sibling, &c->parent->children);
+
+ spin_unlock_irqrestore(&clock_lock, flags);
+}
+
+int clk_enable_locked(struct clk *c)
+{
+ int ret;
+ pr_debug("%s: %s\n", __func__, c->name);
+ if (c->refcnt == 0) {
+ if (c->parent) {
+ ret = clk_enable_locked(c->parent);
+ if (ret)
+ return ret;
+ }
+
+ if (c->ops && c->ops->enable) {
+ ret = c->ops->enable(c);
+ if (ret) {
+ if (c->parent)
+ clk_disable_locked(c->parent);
+ return ret;
+ }
+ c->state = ON;
+#ifdef CONFIG_DEBUG_FS
+ c->set = 1;
+#endif
+ }
+ }
+ c->refcnt++;
+
+ return 0;
+}
+
+int clk_enable(struct clk *c)
+{
+ int ret;
+ unsigned long flags;
+ spin_lock_irqsave(&clock_lock, flags);
+ ret = clk_enable_locked(c);
+ spin_unlock_irqrestore(&clock_lock, flags);
+ return ret;
+}
+EXPORT_SYMBOL(clk_enable);
+
+void clk_disable_locked(struct clk *c)
+{
+ pr_debug("%s: %s\n", __func__, c->name);
+ if (c->refcnt == 0) {
+ WARN(1, "Attempting to disable clock %s with refcnt 0", c->name);
+ return;
+ }
+ if (c->refcnt == 1) {
+ if (c->ops && c->ops->disable)
+ c->ops->disable(c);
+
+ if (c->parent)
+ clk_disable_locked(c->parent);
+
+ c->state = OFF;
+ }
+ c->refcnt--;
+}
+
+void clk_disable(struct clk *c)
+{
+ unsigned long flags;
+ spin_lock_irqsave(&clock_lock, flags);
+ clk_disable_locked(c);
+ spin_unlock_irqrestore(&clock_lock, flags);
+}
+EXPORT_SYMBOL(clk_disable);
+
+int clk_set_parent_locked(struct clk *c, struct clk *parent)
+{
+ int ret;
+
+ pr_debug("%s: %s\n", __func__, c->name);
+
+ if (!c->ops || !c->ops->set_parent)
+ return -ENOSYS;
+
+ ret = c->ops->set_parent(c, parent);
+
+ if (ret)
+ return ret;
+
+ propagate_rate(c);
+
+ return 0;
+}
+
+int clk_set_parent(struct clk *c, struct clk *parent)
+{
+ int ret;
+ unsigned long flags;
+ spin_lock_irqsave(&clock_lock, flags);
+ ret = clk_set_parent_locked(c, parent);
+ spin_unlock_irqrestore(&clock_lock, flags);
+ return ret;
+}
+EXPORT_SYMBOL(clk_set_parent);
+
+struct clk *clk_get_parent(struct clk *c)
+{
+ return c->parent;
+}
+EXPORT_SYMBOL(clk_get_parent);
+
+int clk_set_rate(struct clk *c, unsigned long rate)
+{
+ int ret = 0;
+ unsigned long flags;
+
+ spin_lock_irqsave(&clock_lock, flags);
+
+ pr_debug("%s: %s\n", __func__, c->name);
+
+ if (c->ops && c->ops->set_rate)
+ ret = c->ops->set_rate(c, rate);
+ else
+ ret = -ENOSYS;
+
+ propagate_rate(c);
+
+ spin_unlock_irqrestore(&clock_lock, flags);
+
+ return ret;
+}
+EXPORT_SYMBOL(clk_set_rate);
+
+unsigned long clk_get_rate(struct clk *c)
+{
+ unsigned long flags;
+ unsigned long ret;
+
+ spin_lock_irqsave(&clock_lock, flags);
+
+ pr_debug("%s: %s\n", __func__, c->name);
+
+ ret = c->rate;
+
+ spin_unlock_irqrestore(&clock_lock, flags);
+ return ret;
+}
+EXPORT_SYMBOL(clk_get_rate);
+
+static int tegra_clk_init_one_from_table(struct tegra_clk_init_table *table)
+{
+ struct clk *c;
+ struct clk *p;
+
+ int ret = 0;
+
+ c = tegra_get_clock_by_name(table->name);
+
+ if (!c) {
+ pr_warning("Unable to initialize clock %s\n",
+ table->name);
+ return -ENODEV;
+ }
+
+ if (table->parent) {
+ p = tegra_get_clock_by_name(table->parent);
+ if (!p) {
+ pr_warning("Unable to find parent %s of clock %s\n",
+ table->parent, table->name);
+ return -ENODEV;
+ }
+
+ if (c->parent != p) {
+ ret = clk_set_parent(c, p);
+ if (ret) {
+ pr_warning("Unable to set parent %s of clock %s: %d\n",
+ table->parent, table->name, ret);
+ return -EINVAL;
+ }
+ }
+ }
+
+ if (table->rate && table->rate != clk_get_rate(c)) {
+ ret = clk_set_rate(c, table->rate);
+ if (ret) {
+ pr_warning("Unable to set clock %s to rate %lu: %d\n",
+ table->name, table->rate, ret);
+ return -EINVAL;
+ }
+ }
+
+ if (table->enabled) {
+ ret = clk_enable(c);
+ if (ret) {
+ pr_warning("Unable to enable clock %s: %d\n",
+ table->name, ret);
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
+void tegra_clk_init_from_table(struct tegra_clk_init_table *table)
+{
+ for (; table->name; table++)
+ tegra_clk_init_one_from_table(table);
+}
+EXPORT_SYMBOL(tegra_clk_init_from_table);
+
+void tegra_periph_reset_deassert(struct clk *c)
+{
+ tegra2_periph_reset_deassert(c);
+}
+EXPORT_SYMBOL(tegra_periph_reset_deassert);
+
+void tegra_periph_reset_assert(struct clk *c)
+{
+ tegra2_periph_reset_assert(c);
+}
+EXPORT_SYMBOL(tegra_periph_reset_assert);
+
+int __init tegra_init_clock(void)
+{
+ tegra2_init_clocks();
+
+ return 0;
+}
+
+#ifdef CONFIG_DEBUG_FS
+static struct dentry *clk_debugfs_root;
+
+
+static void clock_tree_show_one(struct seq_file *s, struct clk *c, int level)
+{
+ struct clk *child;
+ struct clk *safe;
+ const char *state = "uninit";
+ char div[5] = {0};
+
+ if (c->state == ON)
+ state = "on";
+ else if (c->state == OFF)
+ state = "off";
+
+ if (c->mul != 0 && c->div != 0) {
+ BUG_ON(c->mul > 2);
+ if (c->mul > c->div)
+ snprintf(div, sizeof(div), "x%d", c->mul / c->div);
+ else
+ snprintf(div, sizeof(div), "%d%s", c->div / c->mul,
+ (c->div % c->mul) ? ".5" : "");
+ }
+
+ seq_printf(s, "%*s%-*s %-6s %-3d %-5s %-10lu\n",
+ level * 3 + 1, c->set ? "" : "*",
+ 30 - level * 3, c->name,
+ state, c->refcnt, div, c->rate);
+ list_for_each_entry_safe(child, safe, &c->children, sibling) {
+ clock_tree_show_one(s, child, level + 1);
+ }
+}
+
+static int clock_tree_show(struct seq_file *s, void *data)
+{
+ struct clk *c;
+ unsigned long flags;
+ seq_printf(s, " clock state ref div rate \n");
+ seq_printf(s, "-----------------------------------------------------------\n");
+ spin_lock_irqsave(&clock_lock, flags);
+ list_for_each_entry(c, &clocks, node)
+ if (c->parent == NULL)
+ clock_tree_show_one(s, c, 0);
+ spin_unlock_irqrestore(&clock_lock, flags);
+ return 0;
+}
+
+static int clock_tree_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, clock_tree_show, inode->i_private);
+}
+
+static const struct file_operations clock_tree_fops = {
+ .open = clock_tree_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int possible_parents_show(struct seq_file *s, void *data)
+{
+ struct clk *c = s->private;
+ int i;
+
+ for (i = 0; c->inputs[i].input; i++) {
+ char *first = (i == 0) ? "" : " ";
+ seq_printf(s, "%s%s", first, c->inputs[i].input->name);
+ }
+ seq_printf(s, "\n");
+ return 0;
+}
+
+static int possible_parents_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, possible_parents_show, inode->i_private);
+}
+
+static const struct file_operations possible_parents_fops = {
+ .open = possible_parents_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int clk_debugfs_register_one(struct clk *c)
+{
+ struct dentry *d, *child, *child_tmp;
+
+ d = debugfs_create_dir(c->name, clk_debugfs_root);
+ if (!d)
+ return -ENOMEM;
+ c->dent = d;
+
+ d = debugfs_create_u8("refcnt", S_IRUGO, c->dent, (u8 *)&c->refcnt);
+ if (!d)
+ goto err_out;
+
+ d = debugfs_create_u32("rate", S_IRUGO, c->dent, (u32 *)&c->rate);
+ if (!d)
+ goto err_out;
+
+ d = debugfs_create_x32("flags", S_IRUGO, c->dent, (u32 *)&c->flags);
+ if (!d)
+ goto err_out;
+
+ if (c->inputs) {
+ d = debugfs_create_file("possible_parents", S_IRUGO, c->dent,
+ c, &possible_parents_fops);
+ if (!d)
+ goto err_out;
+ }
+
+ return 0;
+
+err_out:
+ d = c->dent;
+ list_for_each_entry_safe(child, child_tmp, &d->d_subdirs, d_u.d_child)
+ debugfs_remove(child);
+ debugfs_remove(c->dent);
+ return -ENOMEM;
+}
+
+static int clk_debugfs_register(struct clk *c)
+{
+ int err;
+ struct clk *pa = c->parent;
+
+ if (pa && !pa->dent) {
+ err = clk_debugfs_register(pa);
+ if (err)
+ return err;
+ }
+
+ if (!c->dent) {
+ err = clk_debugfs_register_one(c);
+ if (err)
+ return err;
+ }
+ return 0;
+}
+
+static int __init clk_debugfs_init(void)
+{
+ struct clk *c;
+ struct dentry *d;
+ int err = -ENOMEM;
+
+ d = debugfs_create_dir("clock", NULL);
+ if (!d)
+ return -ENOMEM;
+ clk_debugfs_root = d;
+
+ d = debugfs_create_file("clock_tree", S_IRUGO, clk_debugfs_root, NULL,
+ &clock_tree_fops);
+ if (!d)
+ goto err_out;
+
+ list_for_each_entry(c, &clocks, node) {
+ err = clk_debugfs_register(c);
+ if (err)
+ goto err_out;
+ }
+ return 0;
+err_out:
+ debugfs_remove_recursive(clk_debugfs_root);
+ return err;
+}
+
+late_initcall(clk_debugfs_init);
+#endif
diff --git a/arch/arm/mach-tegra/clock.h b/arch/arm/mach-tegra/clock.h
new file mode 100644
index 0000000000000000000000000000000000000000..af7c70e2a3baf4a29c8860ccc0ca51cd026cb1cd
--- /dev/null
+++ b/arch/arm/mach-tegra/clock.h
@@ -0,0 +1,147 @@
+/*
+ * arch/arm/mach-tegra/include/mach/clock.h
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ * Colin Cross <ccross@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __MACH_TEGRA_CLOCK_H
+#define __MACH_TEGRA_CLOCK_H
+
+#include <linux/list.h>
+#include <asm/clkdev.h>
+
+#define DIV_BUS (1 << 0)
+#define DIV_U71 (1 << 1)
+#define DIV_U71_FIXED (1 << 2)
+#define DIV_2 (1 << 3)
+#define PLL_FIXED (1 << 4)
+#define PLL_HAS_CPCON (1 << 5)
+#define MUX (1 << 6)
+#define PLLD (1 << 7)
+#define PERIPH_NO_RESET (1 << 8)
+#define PERIPH_NO_ENB (1 << 9)
+#define PERIPH_EMC_ENB (1 << 10)
+#define PERIPH_MANUAL_RESET (1 << 11)
+#define PLL_ALT_MISC_REG (1 << 12)
+#define ENABLE_ON_INIT (1 << 28)
+
+struct clk;
+
+struct clk_mux_sel {
+ struct clk *input;
+ u32 value;
+};
+
+struct clk_pll_table {
+ unsigned long input_rate;
+ unsigned long output_rate;
+ u16 n;
+ u16 m;
+ u8 p;
+ u8 cpcon;
+};
+
+struct clk_ops {
+ void (*init)(struct clk *);
+ int (*enable)(struct clk *);
+ void (*disable)(struct clk *);
+ void (*recalc)(struct clk *);
+ int (*set_parent)(struct clk *, struct clk *);
+ int (*set_rate)(struct clk *, unsigned long);
+ unsigned long (*get_rate)(struct clk *);
+ long (*round_rate)(struct clk *, unsigned long);
+ unsigned long (*recalculate_rate)(struct clk *);
+};
+
+enum clk_state {
+ UNINITIALIZED = 0,
+ ON,
+ OFF,
+};
+
+struct clk {
+ /* node for master clocks list */
+ struct list_head node;
+ struct list_head children; /* list of children */
+ struct list_head sibling; /* node for children */
+#ifdef CONFIG_DEBUG_FS
+ struct dentry *dent;
+ struct dentry *parent_dent;
+#endif
+ struct clk_ops *ops;
+ struct clk *parent;
+ struct clk_lookup lookup;
+ unsigned long rate;
+ u32 flags;
+ u32 refcnt;
+ const char *name;
+ u32 reg;
+ u32 reg_shift;
+ unsigned int clk_num;
+ enum clk_state state;
+#ifdef CONFIG_DEBUG_FS
+ bool set;
+#endif
+
+ /* PLL */
+ unsigned long input_min;
+ unsigned long input_max;
+ unsigned long cf_min;
+ unsigned long cf_max;
+ unsigned long vco_min;
+ unsigned long vco_max;
+ u32 m;
+ u32 n;
+ u32 p;
+ u32 cpcon;
+ const struct clk_pll_table *pll_table;
+
+ /* DIV */
+ u32 div;
+ u32 mul;
+
+ /* MUX */
+ const struct clk_mux_sel *inputs;
+ u32 sel;
+ u32 reg_mask;
+};
+
+
+struct clk_duplicate {
+ const char *name;
+ struct clk_lookup lookup;
+};
+
+struct tegra_clk_init_table {
+ const char *name;
+ const char *parent;
+ unsigned long rate;
+ bool enabled;
+};
+
+void tegra2_init_clocks(void);
+void tegra2_periph_reset_deassert(struct clk *c);
+void tegra2_periph_reset_assert(struct clk *c);
+void clk_init(struct clk *clk);
+struct clk *tegra_get_clock_by_name(const char *name);
+unsigned long clk_measure_input_freq(void);
+void clk_disable_locked(struct clk *c);
+int clk_enable_locked(struct clk *c);
+int clk_set_parent_locked(struct clk *c, struct clk *parent);
+int clk_reparent(struct clk *c, struct clk *parent);
+void tegra_clk_init_from_table(struct tegra_clk_init_table *table);
+
+#endif
diff --git a/arch/arm/mach-tegra/common.c b/arch/arm/mach-tegra/common.c
new file mode 100644
index 0000000000000000000000000000000000000000..039a514b61ef1e5f0c9142a4aa81ccf021c96c95
--- /dev/null
+++ b/arch/arm/mach-tegra/common.c
@@ -0,0 +1,61 @@
+/*
+ * arch/arm/mach-tegra/board-harmony.c
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ * Colin Cross <ccross@android.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/io.h>
+
+#include <asm/hardware/cache-l2x0.h>
+
+#include <mach/iomap.h>
+
+#include "board.h"
+#include "clock.h"
+
+static __initdata struct tegra_clk_init_table common_clk_init_table[] = {
+ /* name parent rate enabled */
+ { "clk_m", NULL, 0, true },
+ { "pll_p", "clk_m", 216000000, true },
+ { "pll_p_out1", "pll_p", 28800000, true },
+ { "pll_p_out2", "pll_p", 48000000, true },
+ { "pll_p_out3", "pll_p", 72000000, true },
+ { "pll_p_out4", "pll_p", 108000000, true },
+ { "sys", "pll_p_out4", 108000000, true },
+ { "hclk", "sys", 108000000, true },
+ { "pclk", "hclk", 54000000, true },
+ { NULL, NULL, 0, 0},
+};
+
+void __init tegra_init_cache(void)
+{
+#ifdef CONFIG_CACHE_L2X0
+ void __iomem *p = IO_ADDRESS(TEGRA_ARM_PERIF_BASE) + 0x3000;
+
+ writel(0x331, p + L2X0_TAG_LATENCY_CTRL);
+ writel(0x441, p + L2X0_DATA_LATENCY_CTRL);
+
+ l2x0_init(p, 0x6C080001, 0x8200c3fe);
+#endif
+}
+
+void __init tegra_common_init(void)
+{
+ tegra_init_clock();
+ tegra_clk_init_from_table(common_clk_init_table);
+ tegra_init_cache();
+}
diff --git a/arch/arm/mach-tegra/gpio-names.h b/arch/arm/mach-tegra/gpio-names.h
new file mode 100644
index 0000000000000000000000000000000000000000..f28220a641b20a88338720f9604c318b37b0636d
--- /dev/null
+++ b/arch/arm/mach-tegra/gpio-names.h
@@ -0,0 +1,247 @@
+/*
+ * arch/arm/mach-tegra/include/mach/gpio-names.h
+ *
+ * Copyright (c) 2010 Google, Inc
+ *
+ * Author:
+ * Erik Gilling <konkers@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __MACH_TEGRA_GPIO_NAMES_H
+#define __MACH_TEGRA_GPIO_NAMES_H
+
+#define TEGRA_GPIO_PA0 0
+#define TEGRA_GPIO_PA1 1
+#define TEGRA_GPIO_PA2 2
+#define TEGRA_GPIO_PA3 3
+#define TEGRA_GPIO_PA4 4
+#define TEGRA_GPIO_PA5 5
+#define TEGRA_GPIO_PA6 6
+#define TEGRA_GPIO_PA7 7
+#define TEGRA_GPIO_PB0 8
+#define TEGRA_GPIO_PB1 9
+#define TEGRA_GPIO_PB2 10
+#define TEGRA_GPIO_PB3 11
+#define TEGRA_GPIO_PB4 12
+#define TEGRA_GPIO_PB5 13
+#define TEGRA_GPIO_PB6 14
+#define TEGRA_GPIO_PB7 15
+#define TEGRA_GPIO_PC0 16
+#define TEGRA_GPIO_PC1 17
+#define TEGRA_GPIO_PC2 18
+#define TEGRA_GPIO_PC3 19
+#define TEGRA_GPIO_PC4 20
+#define TEGRA_GPIO_PC5 21
+#define TEGRA_GPIO_PC6 22
+#define TEGRA_GPIO_PC7 23
+#define TEGRA_GPIO_PD0 24
+#define TEGRA_GPIO_PD1 25
+#define TEGRA_GPIO_PD2 26
+#define TEGRA_GPIO_PD3 27
+#define TEGRA_GPIO_PD4 28
+#define TEGRA_GPIO_PD5 29
+#define TEGRA_GPIO_PD6 30
+#define TEGRA_GPIO_PD7 31
+#define TEGRA_GPIO_PE0 32
+#define TEGRA_GPIO_PE1 33
+#define TEGRA_GPIO_PE2 34
+#define TEGRA_GPIO_PE3 35
+#define TEGRA_GPIO_PE4 36
+#define TEGRA_GPIO_PE5 37
+#define TEGRA_GPIO_PE6 38
+#define TEGRA_GPIO_PE7 39
+#define TEGRA_GPIO_PF0 40
+#define TEGRA_GPIO_PF1 41
+#define TEGRA_GPIO_PF2 42
+#define TEGRA_GPIO_PF3 43
+#define TEGRA_GPIO_PF4 44
+#define TEGRA_GPIO_PF5 45
+#define TEGRA_GPIO_PF6 46
+#define TEGRA_GPIO_PF7 47
+#define TEGRA_GPIO_PG0 48
+#define TEGRA_GPIO_PG1 49
+#define TEGRA_GPIO_PG2 50
+#define TEGRA_GPIO_PG3 51
+#define TEGRA_GPIO_PG4 52
+#define TEGRA_GPIO_PG5 53
+#define TEGRA_GPIO_PG6 54
+#define TEGRA_GPIO_PG7 55
+#define TEGRA_GPIO_PH0 56
+#define TEGRA_GPIO_PH1 57
+#define TEGRA_GPIO_PH2 58
+#define TEGRA_GPIO_PH3 59
+#define TEGRA_GPIO_PH4 60
+#define TEGRA_GPIO_PH5 61
+#define TEGRA_GPIO_PH6 62
+#define TEGRA_GPIO_PH7 63
+#define TEGRA_GPIO_PI0 64
+#define TEGRA_GPIO_PI1 65
+#define TEGRA_GPIO_PI2 66
+#define TEGRA_GPIO_PI3 67
+#define TEGRA_GPIO_PI4 68
+#define TEGRA_GPIO_PI5 69
+#define TEGRA_GPIO_PI6 70
+#define TEGRA_GPIO_PI7 71
+#define TEGRA_GPIO_PJ0 72
+#define TEGRA_GPIO_PJ1 73
+#define TEGRA_GPIO_PJ2 74
+#define TEGRA_GPIO_PJ3 75
+#define TEGRA_GPIO_PJ4 76
+#define TEGRA_GPIO_PJ5 77
+#define TEGRA_GPIO_PJ6 78
+#define TEGRA_GPIO_PJ7 79
+#define TEGRA_GPIO_PK0 80
+#define TEGRA_GPIO_PK1 81
+#define TEGRA_GPIO_PK2 82
+#define TEGRA_GPIO_PK3 83
+#define TEGRA_GPIO_PK4 84
+#define TEGRA_GPIO_PK5 85
+#define TEGRA_GPIO_PK6 86
+#define TEGRA_GPIO_PK7 87
+#define TEGRA_GPIO_PL0 88
+#define TEGRA_GPIO_PL1 89
+#define TEGRA_GPIO_PL2 90
+#define TEGRA_GPIO_PL3 91
+#define TEGRA_GPIO_PL4 92
+#define TEGRA_GPIO_PL5 93
+#define TEGRA_GPIO_PL6 94
+#define TEGRA_GPIO_PL7 95
+#define TEGRA_GPIO_PM0 96
+#define TEGRA_GPIO_PM1 97
+#define TEGRA_GPIO_PM2 98
+#define TEGRA_GPIO_PM3 99
+#define TEGRA_GPIO_PM4 100
+#define TEGRA_GPIO_PM5 101
+#define TEGRA_GPIO_PM6 102
+#define TEGRA_GPIO_PM7 103
+#define TEGRA_GPIO_PN0 104
+#define TEGRA_GPIO_PN1 105
+#define TEGRA_GPIO_PN2 106
+#define TEGRA_GPIO_PN3 107
+#define TEGRA_GPIO_PN4 108
+#define TEGRA_GPIO_PN5 109
+#define TEGRA_GPIO_PN6 110
+#define TEGRA_GPIO_PN7 111
+#define TEGRA_GPIO_PO0 112
+#define TEGRA_GPIO_PO1 113
+#define TEGRA_GPIO_PO2 114
+#define TEGRA_GPIO_PO3 115
+#define TEGRA_GPIO_PO4 116
+#define TEGRA_GPIO_PO5 117
+#define TEGRA_GPIO_PO6 118
+#define TEGRA_GPIO_PO7 119
+#define TEGRA_GPIO_PP0 120
+#define TEGRA_GPIO_PP1 121
+#define TEGRA_GPIO_PP2 122
+#define TEGRA_GPIO_PP3 123
+#define TEGRA_GPIO_PP4 124
+#define TEGRA_GPIO_PP5 125
+#define TEGRA_GPIO_PP6 126
+#define TEGRA_GPIO_PP7 127
+#define TEGRA_GPIO_PQ0 128
+#define TEGRA_GPIO_PQ1 129
+#define TEGRA_GPIO_PQ2 130
+#define TEGRA_GPIO_PQ3 131
+#define TEGRA_GPIO_PQ4 132
+#define TEGRA_GPIO_PQ5 133
+#define TEGRA_GPIO_PQ6 134
+#define TEGRA_GPIO_PQ7 135
+#define TEGRA_GPIO_PR0 136
+#define TEGRA_GPIO_PR1 137
+#define TEGRA_GPIO_PR2 138
+#define TEGRA_GPIO_PR3 139
+#define TEGRA_GPIO_PR4 140
+#define TEGRA_GPIO_PR5 141
+#define TEGRA_GPIO_PR6 142
+#define TEGRA_GPIO_PR7 143
+#define TEGRA_GPIO_PS0 144
+#define TEGRA_GPIO_PS1 145
+#define TEGRA_GPIO_PS2 146
+#define TEGRA_GPIO_PS3 147
+#define TEGRA_GPIO_PS4 148
+#define TEGRA_GPIO_PS5 149
+#define TEGRA_GPIO_PS6 150
+#define TEGRA_GPIO_PS7 151
+#define TEGRA_GPIO_PT0 152
+#define TEGRA_GPIO_PT1 153
+#define TEGRA_GPIO_PT2 154
+#define TEGRA_GPIO_PT3 155
+#define TEGRA_GPIO_PT4 156
+#define TEGRA_GPIO_PT5 157
+#define TEGRA_GPIO_PT6 158
+#define TEGRA_GPIO_PT7 159
+#define TEGRA_GPIO_PU0 160
+#define TEGRA_GPIO_PU1 161
+#define TEGRA_GPIO_PU2 162
+#define TEGRA_GPIO_PU3 163
+#define TEGRA_GPIO_PU4 164
+#define TEGRA_GPIO_PU5 165
+#define TEGRA_GPIO_PU6 166
+#define TEGRA_GPIO_PU7 167
+#define TEGRA_GPIO_PV0 168
+#define TEGRA_GPIO_PV1 169
+#define TEGRA_GPIO_PV2 170
+#define TEGRA_GPIO_PV3 171
+#define TEGRA_GPIO_PV4 172
+#define TEGRA_GPIO_PV5 173
+#define TEGRA_GPIO_PV6 174
+#define TEGRA_GPIO_PV7 175
+#define TEGRA_GPIO_PW0 176
+#define TEGRA_GPIO_PW1 177
+#define TEGRA_GPIO_PW2 178
+#define TEGRA_GPIO_PW3 179
+#define TEGRA_GPIO_PW4 180
+#define TEGRA_GPIO_PW5 181
+#define TEGRA_GPIO_PW6 182
+#define TEGRA_GPIO_PW7 183
+#define TEGRA_GPIO_PX0 184
+#define TEGRA_GPIO_PX1 185
+#define TEGRA_GPIO_PX2 186
+#define TEGRA_GPIO_PX3 187
+#define TEGRA_GPIO_PX4 188
+#define TEGRA_GPIO_PX5 189
+#define TEGRA_GPIO_PX6 190
+#define TEGRA_GPIO_PX7 191
+#define TEGRA_GPIO_PY0 192
+#define TEGRA_GPIO_PY1 193
+#define TEGRA_GPIO_PY2 194
+#define TEGRA_GPIO_PY3 195
+#define TEGRA_GPIO_PY4 196
+#define TEGRA_GPIO_PY5 197
+#define TEGRA_GPIO_PY6 198
+#define TEGRA_GPIO_PY7 199
+#define TEGRA_GPIO_PZ0 200
+#define TEGRA_GPIO_PZ1 201
+#define TEGRA_GPIO_PZ2 202
+#define TEGRA_GPIO_PZ3 203
+#define TEGRA_GPIO_PZ4 204
+#define TEGRA_GPIO_PZ5 205
+#define TEGRA_GPIO_PZ6 206
+#define TEGRA_GPIO_PZ7 207
+#define TEGRA_GPIO_PAA0 208
+#define TEGRA_GPIO_PAA1 209
+#define TEGRA_GPIO_PAA2 210
+#define TEGRA_GPIO_PAA3 211
+#define TEGRA_GPIO_PAA4 212
+#define TEGRA_GPIO_PAA5 213
+#define TEGRA_GPIO_PAA6 214
+#define TEGRA_GPIO_PAA7 215
+#define TEGRA_GPIO_PBB0 216
+#define TEGRA_GPIO_PBB1 217
+#define TEGRA_GPIO_PBB2 218
+#define TEGRA_GPIO_PBB3 219
+#define TEGRA_GPIO_PBB4 220
+#define TEGRA_GPIO_PBB5 221
+#define TEGRA_GPIO_PBB6 222
+#define TEGRA_GPIO_PBB7 223
+
+#endif
diff --git a/arch/arm/mach-tegra/gpio.c b/arch/arm/mach-tegra/gpio.c
new file mode 100644
index 0000000000000000000000000000000000000000..fe78fba25f3c7c39fdc494f3519ed956e76cbb5a
--- /dev/null
+++ b/arch/arm/mach-tegra/gpio.c
@@ -0,0 +1,348 @@
+/*
+ * arch/arm/mach-tegra/gpio.c
+ *
+ * Copyright (c) 2010 Google, Inc
+ *
+ * Author:
+ * Erik Gilling <konkers@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/irq.h>
+
+#include <linux/io.h>
+#include <linux/gpio.h>
+
+#include <mach/iomap.h>
+
+#define GPIO_BANK(x) ((x) >> 5)
+#define GPIO_PORT(x) (((x) >> 3) & 0x3)
+#define GPIO_BIT(x) ((x) & 0x7)
+
+#define GPIO_REG(x) (IO_TO_VIRT(TEGRA_GPIO_BASE) + \
+ GPIO_BANK(x) * 0x80 + \
+ GPIO_PORT(x) * 4)
+
+#define GPIO_CNF(x) (GPIO_REG(x) + 0x00)
+#define GPIO_OE(x) (GPIO_REG(x) + 0x10)
+#define GPIO_OUT(x) (GPIO_REG(x) + 0X20)
+#define GPIO_IN(x) (GPIO_REG(x) + 0x30)
+#define GPIO_INT_STA(x) (GPIO_REG(x) + 0x40)
+#define GPIO_INT_ENB(x) (GPIO_REG(x) + 0x50)
+#define GPIO_INT_LVL(x) (GPIO_REG(x) + 0x60)
+#define GPIO_INT_CLR(x) (GPIO_REG(x) + 0x70)
+
+#define GPIO_MSK_CNF(x) (GPIO_REG(x) + 0x800)
+#define GPIO_MSK_OE(x) (GPIO_REG(x) + 0x810)
+#define GPIO_MSK_OUT(x) (GPIO_REG(x) + 0X820)
+#define GPIO_MSK_INT_STA(x) (GPIO_REG(x) + 0x840)
+#define GPIO_MSK_INT_ENB(x) (GPIO_REG(x) + 0x850)
+#define GPIO_MSK_INT_LVL(x) (GPIO_REG(x) + 0x860)
+
+#define GPIO_INT_LVL_MASK 0x010101
+#define GPIO_INT_LVL_EDGE_RISING 0x000101
+#define GPIO_INT_LVL_EDGE_FALLING 0x000100
+#define GPIO_INT_LVL_EDGE_BOTH 0x010100
+#define GPIO_INT_LVL_LEVEL_HIGH 0x000001
+#define GPIO_INT_LVL_LEVEL_LOW 0x000000
+
+struct tegra_gpio_bank {
+ int bank;
+ int irq;
+ spinlock_t lvl_lock[4];
+};
+
+
+static struct tegra_gpio_bank tegra_gpio_banks[] = {
+ {.bank = 0, .irq = INT_GPIO1},
+ {.bank = 1, .irq = INT_GPIO2},
+ {.bank = 2, .irq = INT_GPIO3},
+ {.bank = 3, .irq = INT_GPIO4},
+ {.bank = 4, .irq = INT_GPIO5},
+ {.bank = 5, .irq = INT_GPIO6},
+ {.bank = 6, .irq = INT_GPIO7},
+};
+
+static int tegra_gpio_compose(int bank, int port, int bit)
+{
+ return (bank << 5) | ((port & 0x3) << 3) | (bit & 0x7);
+}
+
+static void tegra_gpio_mask_write(u32 reg, int gpio, int value)
+{
+ u32 val;
+
+ val = 0x100 << GPIO_BIT(gpio);
+ if (value)
+ val |= 1 << GPIO_BIT(gpio);
+ __raw_writel(val, reg);
+}
+
+void tegra_gpio_enable(int gpio)
+{
+ tegra_gpio_mask_write(GPIO_MSK_CNF(gpio), gpio, 1);
+}
+
+void tegra_gpio_disable(int gpio)
+{
+ tegra_gpio_mask_write(GPIO_MSK_CNF(gpio), gpio, 0);
+}
+
+static void tegra_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
+{
+ tegra_gpio_mask_write(GPIO_MSK_OUT(offset), offset, value);
+}
+
+static int tegra_gpio_get(struct gpio_chip *chip, unsigned offset)
+{
+ return (__raw_readl(GPIO_IN(offset)) >> GPIO_BIT(offset)) & 0x1;
+}
+
+static int tegra_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
+{
+ tegra_gpio_mask_write(GPIO_MSK_OE(offset), offset, 0);
+ return 0;
+}
+
+static int tegra_gpio_direction_output(struct gpio_chip *chip, unsigned offset,
+ int value)
+{
+ tegra_gpio_set(chip, offset, value);
+ tegra_gpio_mask_write(GPIO_MSK_OE(offset), offset, 1);
+ return 0;
+}
+
+
+
+static struct gpio_chip tegra_gpio_chip = {
+ .label = "tegra-gpio",
+ .direction_input = tegra_gpio_direction_input,
+ .get = tegra_gpio_get,
+ .direction_output = tegra_gpio_direction_output,
+ .set = tegra_gpio_set,
+ .base = 0,
+ .ngpio = ARCH_NR_GPIOS,
+};
+
+static void tegra_gpio_irq_ack(unsigned int irq)
+{
+ int gpio = irq - INT_GPIO_BASE;
+
+ __raw_writel(1 << GPIO_BIT(gpio), GPIO_INT_CLR(gpio));
+}
+
+static void tegra_gpio_irq_mask(unsigned int irq)
+{
+ int gpio = irq - INT_GPIO_BASE;
+
+ tegra_gpio_mask_write(GPIO_MSK_INT_ENB(gpio), gpio, 0);
+}
+
+static void tegra_gpio_irq_unmask(unsigned int irq)
+{
+ int gpio = irq - INT_GPIO_BASE;
+
+ tegra_gpio_mask_write(GPIO_MSK_INT_ENB(gpio), gpio, 1);
+}
+
+static int tegra_gpio_irq_set_type(unsigned int irq, unsigned int type)
+{
+ int gpio = irq - INT_GPIO_BASE;
+ struct tegra_gpio_bank *bank = get_irq_chip_data(irq);
+ int port = GPIO_PORT(gpio);
+ int lvl_type;
+ int val;
+ unsigned long flags;
+
+ switch (type & IRQ_TYPE_SENSE_MASK) {
+ case IRQ_TYPE_EDGE_RISING:
+ lvl_type = GPIO_INT_LVL_EDGE_RISING;
+ break;
+
+ case IRQ_TYPE_EDGE_FALLING:
+ lvl_type = GPIO_INT_LVL_EDGE_FALLING;
+ break;
+
+ case IRQ_TYPE_EDGE_BOTH:
+ lvl_type = GPIO_INT_LVL_EDGE_BOTH;
+ break;
+
+ case IRQ_TYPE_LEVEL_HIGH:
+ lvl_type = GPIO_INT_LVL_LEVEL_HIGH;
+ break;
+
+ case IRQ_TYPE_LEVEL_LOW:
+ lvl_type = GPIO_INT_LVL_LEVEL_LOW;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ spin_lock_irqsave(&bank->lvl_lock[port], flags);
+
+ val = __raw_readl(GPIO_INT_LVL(gpio));
+ val &= ~(GPIO_INT_LVL_MASK << GPIO_BIT(gpio));
+ val |= lvl_type << GPIO_BIT(gpio);
+ __raw_writel(val, GPIO_INT_LVL(gpio));
+
+ spin_unlock_irqrestore(&bank->lvl_lock[port], flags);
+
+ if (type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH))
+ __set_irq_handler_unlocked(irq, handle_level_irq);
+ else if (type & (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING))
+ __set_irq_handler_unlocked(irq, handle_edge_irq);
+
+ return 0;
+}
+
+static void tegra_gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
+{
+ struct tegra_gpio_bank *bank;
+ int port;
+ int pin;
+ int unmasked = 0;
+
+ desc->chip->ack(irq);
+
+ bank = get_irq_data(irq);
+
+ for (port = 0; port < 4; port++) {
+ int gpio = tegra_gpio_compose(bank->bank, port, 0);
+ unsigned long sta = __raw_readl(GPIO_INT_STA(gpio)) &
+ __raw_readl(GPIO_INT_ENB(gpio));
+ u32 lvl = __raw_readl(GPIO_INT_LVL(gpio));
+
+ for_each_set_bit(pin, &sta, 8) {
+ __raw_writel(1 << pin, GPIO_INT_CLR(gpio));
+
+ /* if gpio is edge triggered, clear condition
+ * before executing the hander so that we don't
+ * miss edges
+ */
+ if (lvl & (0x100 << pin)) {
+ unmasked = 1;
+ desc->chip->unmask(irq);
+ }
+
+ generic_handle_irq(gpio_to_irq(gpio + pin));
+ }
+ }
+
+ if (!unmasked)
+ desc->chip->unmask(irq);
+
+}
+
+
+static struct irq_chip tegra_gpio_irq_chip = {
+ .name = "GPIO",
+ .ack = tegra_gpio_irq_ack,
+ .mask = tegra_gpio_irq_mask,
+ .unmask = tegra_gpio_irq_unmask,
+ .set_type = tegra_gpio_irq_set_type,
+};
+
+
+/* This lock class tells lockdep that GPIO irqs are in a different
+ * category than their parents, so it won't report false recursion.
+ */
+static struct lock_class_key gpio_lock_class;
+
+static int __init tegra_gpio_init(void)
+{
+ struct tegra_gpio_bank *bank;
+ int i;
+ int j;
+
+ for (i = 0; i < 7; i++) {
+ for (j = 0; j < 4; j++) {
+ int gpio = tegra_gpio_compose(i, j, 0);
+ __raw_writel(0x00, GPIO_INT_ENB(gpio));
+ }
+ }
+
+ gpiochip_add(&tegra_gpio_chip);
+
+ for (i = INT_GPIO_BASE; i < (INT_GPIO_BASE + ARCH_NR_GPIOS); i++) {
+ bank = &tegra_gpio_banks[GPIO_BANK(irq_to_gpio(i))];
+
+ lockdep_set_class(&irq_desc[i].lock, &gpio_lock_class);
+ set_irq_chip_data(i, bank);
+ set_irq_chip(i, &tegra_gpio_irq_chip);
+ set_irq_handler(i, handle_simple_irq);
+ set_irq_flags(i, IRQF_VALID);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(tegra_gpio_banks); i++) {
+ bank = &tegra_gpio_banks[i];
+
+ set_irq_chained_handler(bank->irq, tegra_gpio_irq_handler);
+ set_irq_data(bank->irq, bank);
+
+ for (j = 0; j < 4; j++)
+ spin_lock_init(&bank->lvl_lock[j]);
+ }
+
+ return 0;
+}
+
+postcore_initcall(tegra_gpio_init);
+
+#ifdef CONFIG_DEBUG_FS
+
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
+
+static int dbg_gpio_show(struct seq_file *s, void *unused)
+{
+ int i;
+ int j;
+
+ for (i = 0; i < 7; i++) {
+ for (j = 0; j < 4; j++) {
+ int gpio = tegra_gpio_compose(i, j, 0);
+ seq_printf(s, "%d:%d %02x %02x %02x %02x %02x %02x %06x\n",
+ i, j,
+ __raw_readl(GPIO_CNF(gpio)),
+ __raw_readl(GPIO_OE(gpio)),
+ __raw_readl(GPIO_OUT(gpio)),
+ __raw_readl(GPIO_IN(gpio)),
+ __raw_readl(GPIO_INT_STA(gpio)),
+ __raw_readl(GPIO_INT_ENB(gpio)),
+ __raw_readl(GPIO_INT_LVL(gpio)));
+ }
+ }
+ return 0;
+}
+
+static int dbg_gpio_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, dbg_gpio_show, &inode->i_private);
+}
+
+static const struct file_operations debug_fops = {
+ .open = dbg_gpio_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int __init tegra_gpio_debuginit(void)
+{
+ (void) debugfs_create_file("tegra_gpio", S_IRUGO,
+ NULL, NULL, &debug_fops);
+ return 0;
+}
+late_initcall(tegra_gpio_debuginit);
+#endif
diff --git a/arch/arm/mach-tegra/headsmp.S b/arch/arm/mach-tegra/headsmp.S
new file mode 100644
index 0000000000000000000000000000000000000000..b5349b2f13d296893f6737e39d544b93e89472d3
--- /dev/null
+++ b/arch/arm/mach-tegra/headsmp.S
@@ -0,0 +1,61 @@
+#include <linux/linkage.h>
+#include <linux/init.h>
+
+ .section ".text.head", "ax"
+ __CPUINIT
+
+/*
+ * Tegra specific entry point for secondary CPUs.
+ * The secondary kernel init calls v7_flush_dcache_all before it enables
+ * the L1; however, the L1 comes out of reset in an undefined state, so
+ * the clean + invalidate performed by v7_flush_dcache_all causes a bunch
+ * of cache lines with uninitialized data and uninitialized tags to get
+ * written out to memory, which does really unpleasant things to the main
+ * processor. We fix this by performing an invalidate, rather than a
+ * clean + invalidate, before jumping into the kernel.
+ */
+ENTRY(v7_invalidate_l1)
+ mov r0, #0
+ mcr p15, 2, r0, c0, c0, 0
+ mrc p15, 1, r0, c0, c0, 0
+
+ ldr r1, =0x7fff
+ and r2, r1, r0, lsr #13
+
+ ldr r1, =0x3ff
+
+ and r3, r1, r0, lsr #3 @ NumWays - 1
+ add r2, r2, #1 @ NumSets
+
+ and r0, r0, #0x7
+ add r0, r0, #4 @ SetShift
+
+ clz r1, r3 @ WayShift
+ add r4, r3, #1 @ NumWays
+1: sub r2, r2, #1 @ NumSets--
+ mov r3, r4 @ Temp = NumWays
+2: subs r3, r3, #1 @ Temp--
+ mov r5, r3, lsl r1
+ mov r6, r2, lsl r0
+ orr r5, r5, r6 @ Reg = (Temp<<WayShift)|(NumSets<<SetShift)
+ mcr p15, 0, r5, c7, c6, 2
+ bgt 2b
+ cmp r2, #0
+ bgt 1b
+ dsb
+ isb
+ mov pc, lr
+ENDPROC(v7_invalidate_l1)
+
+ENTRY(tegra_secondary_startup)
+ msr cpsr_fsxc, #0xd3
+ bl v7_invalidate_l1
+ mrc p15, 0, r0, c0, c0, 5
+ and r0, r0, #15
+ ldr r1, =0x6000f100
+ str r0, [r1]
+1: ldr r2, [r1]
+ cmp r0, r2
+ beq 1b
+ b secondary_startup
+ENDPROC(tegra_secondary_startup)
diff --git a/arch/arm/mach-tegra/hotplug.c b/arch/arm/mach-tegra/hotplug.c
new file mode 100644
index 0000000000000000000000000000000000000000..8e7f115aa21e8b33c11c1a889d7aa2634445bd84
--- /dev/null
+++ b/arch/arm/mach-tegra/hotplug.c
@@ -0,0 +1,140 @@
+/*
+ * linux/arch/arm/mach-realview/hotplug.c
+ *
+ * Copyright (C) 2002 ARM Ltd.
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/smp.h>
+#include <linux/completion.h>
+
+#include <asm/cacheflush.h>
+
+static DECLARE_COMPLETION(cpu_killed);
+
+static inline void cpu_enter_lowpower(void)
+{
+ unsigned int v;
+
+ flush_cache_all();
+ asm volatile(
+ " mcr p15, 0, %1, c7, c5, 0\n"
+ " mcr p15, 0, %1, c7, c10, 4\n"
+ /*
+ * Turn off coherency
+ */
+ " mrc p15, 0, %0, c1, c0, 1\n"
+ " bic %0, %0, #0x20\n"
+ " mcr p15, 0, %0, c1, c0, 1\n"
+ " mrc p15, 0, %0, c1, c0, 0\n"
+ " bic %0, %0, #0x04\n"
+ " mcr p15, 0, %0, c1, c0, 0\n"
+ : "=&r" (v)
+ : "r" (0)
+ : "cc");
+}
+
+static inline void cpu_leave_lowpower(void)
+{
+ unsigned int v;
+
+ asm volatile(
+ "mrc p15, 0, %0, c1, c0, 0\n"
+ " orr %0, %0, #0x04\n"
+ " mcr p15, 0, %0, c1, c0, 0\n"
+ " mrc p15, 0, %0, c1, c0, 1\n"
+ " orr %0, %0, #0x20\n"
+ " mcr p15, 0, %0, c1, c0, 1\n"
+ : "=&r" (v)
+ :
+ : "cc");
+}
+
+static inline void platform_do_lowpower(unsigned int cpu)
+{
+ /*
+ * there is no power-control hardware on this platform, so all
+ * we can do is put the core into WFI; this is safe as the calling
+ * code will have already disabled interrupts
+ */
+ for (;;) {
+ /*
+ * here's the WFI
+ */
+ asm(".word 0xe320f003\n"
+ :
+ :
+ : "memory", "cc");
+
+ /*if (pen_release == cpu) {*/
+ /*
+ * OK, proper wakeup, we're done
+ */
+ break;
+ /*}*/
+
+ /*
+ * getting here, means that we have come out of WFI without
+ * having been woken up - this shouldn't happen
+ *
+ * The trouble is, letting people know about this is not really
+ * possible, since we are currently running incoherently, and
+ * therefore cannot safely call printk() or anything else
+ */
+#ifdef DEBUG
+ printk(KERN_WARN "CPU%u: spurious wakeup call\n", cpu);
+#endif
+ }
+}
+
+int platform_cpu_kill(unsigned int cpu)
+{
+ return wait_for_completion_timeout(&cpu_killed, 5000);
+}
+
+/*
+ * platform-specific code to shutdown a CPU
+ *
+ * Called with IRQs disabled
+ */
+void platform_cpu_die(unsigned int cpu)
+{
+#ifdef DEBUG
+ unsigned int this_cpu = hard_smp_processor_id();
+
+ if (cpu != this_cpu) {
+ printk(KERN_CRIT "Eek! platform_cpu_die running on %u, should be %u\n",
+ this_cpu, cpu);
+ BUG();
+ }
+#endif
+
+ printk(KERN_NOTICE "CPU%u: shutdown\n", cpu);
+ complete(&cpu_killed);
+
+ /*
+ * we're ready for shutdown now, so do it
+ */
+ cpu_enter_lowpower();
+ platform_do_lowpower(cpu);
+
+ /*
+ * bring this CPU back into the world of cache
+ * coherency, and then restore interrupts
+ */
+ cpu_leave_lowpower();
+}
+
+int platform_cpu_disable(unsigned int cpu)
+{
+ /*
+ * we don't allow CPU 0 to be shutdown (it is still too special
+ * e.g. clock tick interrupts)
+ */
+ return cpu == 0 ? -EPERM : 0;
+}
diff --git a/arch/arm/mach-tegra/include/mach/barriers.h b/arch/arm/mach-tegra/include/mach/barriers.h
new file mode 100644
index 0000000000000000000000000000000000000000..cc115174899bdf4253471065134a90a658f3a5d6
--- /dev/null
+++ b/arch/arm/mach-tegra/include/mach/barriers.h
@@ -0,0 +1,30 @@
+/*
+ * arch/arm/mach-realview/include/mach/barriers.h
+ *
+ * Copyright (C) 2010 ARM Ltd.
+ * Written by Catalin Marinas <catalin.marinas@arm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef __MACH_BARRIERS_H
+#define __MACH_BARRIERS_H
+
+#include <asm/outercache.h>
+
+#define rmb() dmb()
+#define wmb() do { dsb(); outer_sync(); } while (0)
+#define mb() wmb()
+
+#endif /* __MACH_BARRIERS_H */
diff --git a/arch/arm/mach-tegra/include/mach/clk.h b/arch/arm/mach-tegra/include/mach/clk.h
new file mode 100644
index 0000000000000000000000000000000000000000..2896f25ebfb57f0ce29cc43a4965763284166422
--- /dev/null
+++ b/arch/arm/mach-tegra/include/mach/clk.h
@@ -0,0 +1,26 @@
+/*
+ * arch/arm/mach-tegra/include/mach/clk.h
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ * Erik Gilling <konkers@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __MACH_CLK_H
+#define __MACH_CLK_H
+
+void tegra_periph_reset_deassert(struct clk *c);
+void tegra_periph_reset_assert(struct clk *c);
+
+#endif
diff --git a/arch/arm/mach-tegra/include/mach/clkdev.h b/arch/arm/mach-tegra/include/mach/clkdev.h
new file mode 100644
index 0000000000000000000000000000000000000000..412f5c63e65adabc23eab9bf520acaccccd7f399
--- /dev/null
+++ b/arch/arm/mach-tegra/include/mach/clkdev.h
@@ -0,0 +1,32 @@
+/*
+ * arch/arm/mach-tegra/include/mach/clkdev.h
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ * Colin Cross <ccross@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __MACH_CLKDEV_H
+#define __MACH_CLKDEV_H
+
+static inline int __clk_get(struct clk *clk)
+{
+ return 1;
+}
+
+static inline void __clk_put(struct clk *clk)
+{
+}
+
+#endif
diff --git a/arch/arm/mach-tegra/include/mach/debug-macro.S b/arch/arm/mach-tegra/include/mach/debug-macro.S
new file mode 100644
index 0000000000000000000000000000000000000000..55a39564b43c476e2002b806a8bdff6f6e7c6f44
--- /dev/null
+++ b/arch/arm/mach-tegra/include/mach/debug-macro.S
@@ -0,0 +1,46 @@
+/*
+ * arch/arm/mach-tegra/include/mach/debug-macro.S
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ * Colin Cross <ccross@google.com>
+ * Erik Gilling <konkers@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <mach/io.h>
+
+ .macro addruart,rx, tmp
+ mrc p15, 0, \rx, c1, c0
+ tst \rx, #1 @ MMU enabled?
+ ldreq \rx, =IO_APB_PHYS @ physical
+ ldrne \rx, =IO_APB_VIRT @ virtual
+#if defined(CONFIG_TEGRA_DEBUG_UART_NONE)
+#error "A debug UART must be selected in the kernel config to use DEBUG_LL"
+#elif defined(CONFIG_TEGRA_DEBUG_UARTA)
+ orr \rx, \rx, #0x6000
+#elif defined(CONFIG_TEGRA_DEBUG_UARTB)
+ ldr \tmp, =0x6040
+ orr \rx, \rx, \tmp
+#elif defined(CONFIG_TEGRA_DEBUG_UARTC)
+ orr \rx, \rx, #0x6200
+#elif defined(CONFIG_TEGRA_DEBUG_UARTD)
+ orr \rx, \rx, #0x6300
+#elif defined(CONFIG_TEGRA_DEBUG_UARTE)
+ orr \rx, \rx, #0x6400
+#endif
+ .endm
+
+#define UART_SHIFT 2
+#include <asm/hardware/debug-8250.S>
+
diff --git a/arch/arm/mach-tegra/include/mach/entry-macro.S b/arch/arm/mach-tegra/include/mach/entry-macro.S
new file mode 100644
index 0000000000000000000000000000000000000000..2ba9e5c9d2f6f711aecae8bda9506c7008d406a0
--- /dev/null
+++ b/arch/arm/mach-tegra/include/mach/entry-macro.S
@@ -0,0 +1,118 @@
+/* arch/arm/mach-tegra/include/mach/entry-macro.S
+ *
+ * Copyright (C) 2009 Palm, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+#include <mach/iomap.h>
+#include <mach/io.h>
+
+#if defined(CONFIG_ARM_GIC)
+
+#include <asm/hardware/gic.h>
+
+ /* Uses the GIC interrupt controller built into the cpu */
+#define ICTRL_BASE (IO_CPU_VIRT + 0x100)
+
+ .macro disable_fiq
+ .endm
+
+ .macro get_irqnr_preamble, base, tmp
+ movw \base, #(ICTRL_BASE & 0x0000ffff)
+ movt \base, #((ICTRL_BASE & 0xffff0000) >> 16)
+ .endm
+
+ .macro arch_ret_to_user, tmp1, tmp2
+ .endm
+
+ /*
+ * The interrupt numbering scheme is defined in the
+ * interrupt controller spec. To wit:
+ *
+ * Interrupts 0-15 are IPI
+ * 16-28 are reserved
+ * 29-31 are local. We allow 30 to be used for the watchdog.
+ * 32-1020 are global
+ * 1021-1022 are reserved
+ * 1023 is "spurious" (no interrupt)
+ *
+ * For now, we ignore all local interrupts so only return an interrupt
+ * if it's between 30 and 1020. The test_for_ipi routine below will
+ * pick up on IPIs.
+ *
+ * A simple read from the controller will tell us the number of the
+ * highest priority enabled interrupt. We then just need to check
+ * whether it is in the valid range for an IRQ (30-1020 inclusive).
+ */
+
+ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
+
+ /* bits 12-10 = src CPU, 9-0 = int # */
+ ldr \irqstat, [\base, #GIC_CPU_INTACK]
+
+ ldr \tmp, =1021
+
+ bic \irqnr, \irqstat, #0x1c00
+
+ cmp \irqnr, #29
+ cmpcc \irqnr, \irqnr
+ cmpne \irqnr, \tmp
+ cmpcs \irqnr, \irqnr
+
+ .endm
+
+ /* We assume that irqstat (the raw value of the IRQ acknowledge
+ * register) is preserved from the macro above.
+ * If there is an IPI, we immediately signal end of interrupt on the
+ * controller, since this requires the original irqstat value which
+ * we won't easily be able to recreate later.
+ */
+
+ .macro test_for_ipi, irqnr, irqstat, base, tmp
+ bic \irqnr, \irqstat, #0x1c00
+ cmp \irqnr, #16
+ strcc \irqstat, [\base, #GIC_CPU_EOI]
+ cmpcs \irqnr, \irqnr
+ .endm
+
+ /* As above, this assumes that irqstat and base are preserved.. */
+
+ .macro test_for_ltirq, irqnr, irqstat, base, tmp
+ bic \irqnr, \irqstat, #0x1c00
+ mov \tmp, #0
+ cmp \irqnr, #29
+ moveq \tmp, #1
+ streq \irqstat, [\base, #GIC_CPU_EOI]
+ cmp \tmp, #0
+ .endm
+
+#else
+ /* legacy interrupt controller for AP16 */
+ .macro disable_fiq
+ .endm
+
+ .macro get_irqnr_preamble, base, tmp
+ @ enable imprecise aborts
+ cpsie a
+ @ EVP base at 0xf010f000
+ mov \base, #0xf0000000
+ orr \base, #0x00100000
+ orr \base, #0x0000f000
+ .endm
+
+ .macro arch_ret_to_user, tmp1, tmp2
+ .endm
+
+ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
+ ldr \irqnr, [\base, #0x20] @ EVT_IRQ_STS
+ cmp \irqnr, #0x80
+ .endm
+#endif
diff --git a/arch/arm/mach-tegra/include/mach/gpio.h b/arch/arm/mach-tegra/include/mach/gpio.h
new file mode 100644
index 0000000000000000000000000000000000000000..540e822e50f7c15c0afa4799f060d5c33c638fb3
--- /dev/null
+++ b/arch/arm/mach-tegra/include/mach/gpio.h
@@ -0,0 +1,53 @@
+/*
+ * arch/arm/mach-tegra/include/mach/gpio.h
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ * Erik Gilling <konkers@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __MACH_TEGRA_GPIO_H
+#define __MACH_TEGRA_GPIO_H
+
+#include <mach/irqs.h>
+
+#define ARCH_NR_GPIOS INT_GPIO_NR
+
+#include <asm-generic/gpio.h>
+
+#define gpio_get_value __gpio_get_value
+#define gpio_set_value __gpio_set_value
+#define gpio_cansleep __gpio_cansleep
+
+#define TEGRA_GPIO_TO_IRQ(gpio) (INT_GPIO_BASE + (gpio))
+#define TEGRA_IRQ_TO_GPIO(irq) ((gpio) - INT_GPIO_BASE)
+
+static inline int gpio_to_irq(unsigned int gpio)
+{
+ if (gpio < ARCH_NR_GPIOS)
+ return INT_GPIO_BASE + gpio;
+ return -EINVAL;
+}
+
+static inline int irq_to_gpio(unsigned int irq)
+{
+ if ((irq >= INT_GPIO_BASE) && (irq < INT_GPIO_BASE + INT_GPIO_NR))
+ return irq - INT_GPIO_BASE;
+ return -EINVAL;
+}
+
+void tegra_gpio_enable(int gpio);
+void tegra_gpio_disable(int gpio);
+
+#endif
diff --git a/arch/arm/mach-tegra/include/mach/hardware.h b/arch/arm/mach-tegra/include/mach/hardware.h
new file mode 100644
index 0000000000000000000000000000000000000000..6014edf60d9353d53ecea8fe08b0d5c7838b4719
--- /dev/null
+++ b/arch/arm/mach-tegra/include/mach/hardware.h
@@ -0,0 +1,24 @@
+/*
+ * arch/arm/mach-tegra/include/mach/hardware.h
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ * Colin Cross <ccross@google.com>
+ * Erik Gilling <konkers@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __MACH_TEGRA_HARDWARE_H
+#define __MACH_TEGRA_HARDWARE_H
+
+#endif
diff --git a/arch/arm/mach-tegra/include/mach/io.h b/arch/arm/mach-tegra/include/mach/io.h
new file mode 100644
index 0000000000000000000000000000000000000000..35edfc32ffc9d96280f43f47da841d63ff0fdc32
--- /dev/null
+++ b/arch/arm/mach-tegra/include/mach/io.h
@@ -0,0 +1,79 @@
+/*
+ * arch/arm/mach-tegra/include/mach/io.h
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ * Colin Cross <ccross@google.com>
+ * Erik Gilling <konkers@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __MACH_TEGRA_IO_H
+#define __MACH_TEGRA_IO_H
+
+#define IO_SPACE_LIMIT 0xffffffff
+
+/* On TEGRA, many peripherals are very closely packed in
+ * two 256MB io windows (that actually only use about 64KB
+ * at the start of each).
+ *
+ * We will just map the first 1MB of each window (to minimize
+ * pt entries needed) and provide a macro to transform physical
+ * io addresses to an appropriate void __iomem *.
+ *
+ */
+
+#define IO_CPU_PHYS 0x50040000
+#define IO_CPU_VIRT 0xFE000000
+#define IO_CPU_SIZE SZ_16K
+
+#define IO_PPSB_PHYS 0x60000000
+#define IO_PPSB_VIRT 0xFE200000
+#define IO_PPSB_SIZE SZ_1M
+
+#define IO_APB_PHYS 0x70000000
+#define IO_APB_VIRT 0xFE300000
+#define IO_APB_SIZE SZ_1M
+
+#define IO_TO_VIRT_BETWEEN(p, st, sz) ((p) >= (st) && (p) < ((st) + (sz)))
+#define IO_TO_VIRT_XLATE(p, pst, vst) (((p) - (pst) + (vst)))
+
+#define IO_TO_VIRT(n) ( \
+ IO_TO_VIRT_BETWEEN((n), IO_PPSB_PHYS, IO_PPSB_SIZE) ? \
+ IO_TO_VIRT_XLATE((n), IO_PPSB_PHYS, IO_PPSB_VIRT) : \
+ IO_TO_VIRT_BETWEEN((n), IO_APB_PHYS, IO_APB_SIZE) ? \
+ IO_TO_VIRT_XLATE((n), IO_APB_PHYS, IO_APB_VIRT) : \
+ IO_TO_VIRT_BETWEEN((n), IO_CPU_PHYS, IO_CPU_SIZE) ? \
+ IO_TO_VIRT_XLATE((n), IO_CPU_PHYS, IO_CPU_VIRT) : \
+ 0)
+
+#ifndef __ASSEMBLER__
+
+#define __arch_ioremap(p, s, t) tegra_ioremap(p, s, t)
+#define __arch_iounmap(v) tegra_iounmap(v)
+
+void __iomem *tegra_ioremap(unsigned long phys, size_t size, unsigned int type);
+void tegra_iounmap(volatile void __iomem *addr);
+
+#define IO_ADDRESS(n) ((void __iomem *) IO_TO_VIRT(n))
+
+static inline void __iomem *__io(unsigned long addr)
+{
+ return (void __iomem *)addr;
+}
+#define __io(a) __io(a)
+#define __mem_pci(a) (a)
+
+#endif
+
+#endif
diff --git a/arch/arm/mach-tegra/include/mach/iomap.h b/arch/arm/mach-tegra/include/mach/iomap.h
new file mode 100644
index 0000000000000000000000000000000000000000..1741f7dd7a9b71183c98b53cab88e688aa16b031
--- /dev/null
+++ b/arch/arm/mach-tegra/include/mach/iomap.h
@@ -0,0 +1,203 @@
+/*
+ * arch/arm/mach-tegra/include/mach/iomap.h
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ * Colin Cross <ccross@google.com>
+ * Erik Gilling <konkers@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __MACH_TEGRA_IOMAP_H
+#define __MACH_TEGRA_IOMAP_H
+
+#include <asm/sizes.h>
+
+#define TEGRA_ARM_PERIF_BASE 0x50040000
+#define TEGRA_ARM_PERIF_SIZE SZ_8K
+
+#define TEGRA_ARM_INT_DIST_BASE 0x50041000
+#define TEGRA_ARM_INT_DIST_SIZE SZ_4K
+
+#define TEGRA_DISPLAY_BASE 0x54200000
+#define TEGRA_DISPLAY_SIZE SZ_256K
+
+#define TEGRA_DISPLAY2_BASE 0x54240000
+#define TEGRA_DISPLAY2_SIZE SZ_256K
+
+#define TEGRA_PRIMARY_ICTLR_BASE 0x60004000
+#define TEGRA_PRIMARY_ICTLR_SIZE SZ_64
+
+#define TEGRA_SECONDARY_ICTLR_BASE 0x60004100
+#define TEGRA_SECONDARY_ICTLR_SIZE SZ_64
+
+#define TEGRA_TERTIARY_ICTLR_BASE 0x60004200
+#define TEGRA_TERTIARY_ICTLR_SIZE SZ_64
+
+#define TEGRA_QUATERNARY_ICTLR_BASE 0x60004300
+#define TEGRA_QUATERNARY_ICTLR_SIZE SZ_64
+
+#define TEGRA_TMR1_BASE 0x60005000
+#define TEGRA_TMR1_SIZE SZ_8
+
+#define TEGRA_TMR2_BASE 0x60005008
+#define TEGRA_TMR2_SIZE SZ_8
+
+#define TEGRA_TMRUS_BASE 0x60005010
+#define TEGRA_TMRUS_SIZE SZ_64
+
+#define TEGRA_TMR3_BASE 0x60005050
+#define TEGRA_TMR3_SIZE SZ_8
+
+#define TEGRA_TMR4_BASE 0x60005058
+#define TEGRA_TMR4_SIZE SZ_8
+
+#define TEGRA_CLK_RESET_BASE 0x60006000
+#define TEGRA_CLK_RESET_SIZE SZ_4K
+
+#define TEGRA_FLOW_CTRL_BASE 0x60007000
+#define TEGRA_FLOW_CTRL_SIZE 20
+
+#define TEGRA_STATMON_BASE 0x6000C4000
+#define TEGRA_STATMON_SIZE SZ_1K
+
+#define TEGRA_GPIO_BASE 0x6000D000
+#define TEGRA_GPIO_SIZE SZ_4K
+
+#define TEGRA_EXCEPTION_VECTORS_BASE 0x6000F000
+#define TEGRA_EXCEPTION_VECTORS_SIZE SZ_4K
+
+#define TEGRA_APB_MISC_BASE 0x70000000
+#define TEGRA_APB_MISC_SIZE SZ_4K
+
+#define TEGRA_AC97_BASE 0x70002000
+#define TEGRA_AC97_SIZE SZ_512
+
+#define TEGRA_SPDIF_BASE 0x70002400
+#define TEGRA_SPDIF_SIZE SZ_512
+
+#define TEGRA_I2S1_BASE 0x70002800
+#define TEGRA_I2S1_SIZE SZ_256
+
+#define TEGRA_I2S2_BASE 0x70002A00
+#define TEGRA_I2S2_SIZE SZ_256
+
+#define TEGRA_UARTA_BASE 0x70006000
+#define TEGRA_UARTA_SIZE SZ_64
+
+#define TEGRA_UARTB_BASE 0x70006040
+#define TEGRA_UARTB_SIZE SZ_64
+
+#define TEGRA_UARTC_BASE 0x70006200
+#define TEGRA_UARTC_SIZE SZ_256
+
+#define TEGRA_UARTD_BASE 0x70006300
+#define TEGRA_UARTD_SIZE SZ_256
+
+#define TEGRA_UARTE_BASE 0x70006400
+#define TEGRA_UARTE_SIZE SZ_256
+
+#define TEGRA_NAND_BASE 0x70008000
+#define TEGRA_NAND_SIZE SZ_256
+
+#define TEGRA_HSMMC_BASE 0x70008500
+#define TEGRA_HSMMC_SIZE SZ_256
+
+#define TEGRA_SNOR_BASE 0x70009000
+#define TEGRA_SNOR_SIZE SZ_4K
+
+#define TEGRA_PWFM_BASE 0x7000A000
+#define TEGRA_PWFM_SIZE SZ_256
+
+#define TEGRA_MIPI_BASE 0x7000B000
+#define TEGRA_MIPI_SIZE SZ_256
+
+#define TEGRA_I2C_BASE 0x7000C000
+#define TEGRA_I2C_SIZE SZ_256
+
+#define TEGRA_TWC_BASE 0x7000C100
+#define TEGRA_TWC_SIZE SZ_256
+
+#define TEGRA_SPI_BASE 0x7000C380
+#define TEGRA_SPI_SIZE 48
+
+#define TEGRA_I2C2_BASE 0x7000C400
+#define TEGRA_I2C2_SIZE SZ_256
+
+#define TEGRA_I2C3_BASE 0x7000C500
+#define TEGRA_I2C3_SIZE SZ_256
+
+#define TEGRA_OWR_BASE 0x7000D000
+#define TEGRA_OWR_SIZE 80
+
+#define TEGRA_DVC_BASE 0x7000D000
+#define TEGRA_DVC_SIZE SZ_512
+
+#define TEGRA_SPI1_BASE 0x7000D400
+#define TEGRA_SPI1_SIZE SZ_512
+
+#define TEGRA_SPI2_BASE 0x7000D600
+#define TEGRA_SPI2_SIZE SZ_512
+
+#define TEGRA_SPI3_BASE 0x7000D800
+#define TEGRA_SPI3_SIZE SZ_512
+
+#define TEGRA_SPI4_BASE 0x7000DA00
+#define TEGRA_SPI4_SIZE SZ_512
+
+#define TEGRA_RTC_BASE 0x7000E000
+#define TEGRA_RTC_SIZE SZ_256
+
+#define TEGRA_KBC_BASE 0x7000E200
+#define TEGRA_KBC_SIZE SZ_256
+
+#define TEGRA_PMC_BASE 0x7000E400
+#define TEGRA_PMC_SIZE SZ_256
+
+#define TEGRA_MC_BASE 0x7000F000
+#define TEGRA_MC_SIZE SZ_1K
+
+#define TEGRA_EMC_BASE 0x7000F400
+#define TEGRA_EMC_SIZE SZ_1K
+
+#define TEGRA_FUSE_BASE 0x7000F800
+#define TEGRA_FUSE_SIZE SZ_1K
+
+#define TEGRA_KFUSE_BASE 0x7000FC00
+#define TEGRA_KFUSE_SIZE SZ_1K
+
+#define TEGRA_CSITE_BASE 0x70040000
+#define TEGRA_CSITE_SIZE SZ_256K
+
+#define TEGRA_USB_BASE 0xC5000000
+#define TEGRA_USB_SIZE SZ_16K
+
+#define TEGRA_USB1_BASE 0xC5004000
+#define TEGRA_USB1_SIZE SZ_16K
+
+#define TEGRA_USB2_BASE 0xC5008000
+#define TEGRA_USB2_SIZE SZ_16K
+
+#define TEGRA_SDMMC1_BASE 0xC8000000
+#define TEGRA_SDMMC1_SIZE SZ_512
+
+#define TEGRA_SDMMC2_BASE 0xC8000200
+#define TEGRA_SDMMC2_SIZE SZ_512
+
+#define TEGRA_SDMMC3_BASE 0xC8000400
+#define TEGRA_SDMMC3_SIZE SZ_512
+
+#define TEGRA_SDMMC4_BASE 0xC8000600
+#define TEGRA_SDMMC4_SIZE SZ_512
+
+#endif
diff --git a/arch/arm/mach-tegra/include/mach/irqs.h b/arch/arm/mach-tegra/include/mach/irqs.h
new file mode 100644
index 0000000000000000000000000000000000000000..20f640edaa0d31e0247681db1dc68ca53125cb79
--- /dev/null
+++ b/arch/arm/mach-tegra/include/mach/irqs.h
@@ -0,0 +1,173 @@
+/*
+ * arch/arm/mach-tegra/include/mach/irqs.h
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ * Colin Cross <ccross@google.com>
+ * Erik Gilling <konkers@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __MACH_TEGRA_IRQS_H
+#define __MACH_TEGRA_IRQS_H
+
+#define INT_GIC_BASE 0
+
+#define IRQ_LOCALTIMER 29
+
+/* Primary Interrupt Controller */
+#define INT_PRI_BASE (INT_GIC_BASE + 32)
+#define INT_TMR1 (INT_PRI_BASE + 0)
+#define INT_TMR2 (INT_PRI_BASE + 1)
+#define INT_RTC (INT_PRI_BASE + 2)
+#define INT_I2S2 (INT_PRI_BASE + 3)
+#define INT_SHR_SEM_INBOX_IBF (INT_PRI_BASE + 4)
+#define INT_SHR_SEM_INBOX_IBE (INT_PRI_BASE + 5)
+#define INT_SHR_SEM_OUTBOX_IBF (INT_PRI_BASE + 6)
+#define INT_SHR_SEM_OUTBOX_IBE (INT_PRI_BASE + 7)
+#define INT_VDE_UCQ_ERROR (INT_PRI_BASE + 8)
+#define INT_VDE_SYNC_TOKEN (INT_PRI_BASE + 9)
+#define INT_VDE_BSE_V (INT_PRI_BASE + 10)
+#define INT_VDE_BSE_A (INT_PRI_BASE + 11)
+#define INT_VDE_SXE (INT_PRI_BASE + 12)
+#define INT_I2S1 (INT_PRI_BASE + 13)
+#define INT_SDMMC1 (INT_PRI_BASE + 14)
+#define INT_SDMMC2 (INT_PRI_BASE + 15)
+#define INT_XIO (INT_PRI_BASE + 16)
+#define INT_VDE (INT_PRI_BASE + 17)
+#define INT_AVP_UCQ (INT_PRI_BASE + 18)
+#define INT_SDMMC3 (INT_PRI_BASE + 19)
+#define INT_USB (INT_PRI_BASE + 20)
+#define INT_USB2 (INT_PRI_BASE + 21)
+#define INT_PRI_RES_22 (INT_PRI_BASE + 22)
+#define INT_EIDE (INT_PRI_BASE + 23)
+#define INT_NANDFLASH (INT_PRI_BASE + 24)
+#define INT_VCP (INT_PRI_BASE + 25)
+#define INT_APB_DMA (INT_PRI_BASE + 26)
+#define INT_AHB_DMA (INT_PRI_BASE + 27)
+#define INT_GNT_0 (INT_PRI_BASE + 28)
+#define INT_GNT_1 (INT_PRI_BASE + 29)
+#define INT_OWR (INT_PRI_BASE + 30)
+#define INT_SDMMC4 (INT_PRI_BASE + 31)
+
+/* Secondary Interrupt Controller */
+#define INT_SEC_BASE (INT_PRI_BASE + 32)
+#define INT_GPIO1 (INT_SEC_BASE + 0)
+#define INT_GPIO2 (INT_SEC_BASE + 1)
+#define INT_GPIO3 (INT_SEC_BASE + 2)
+#define INT_GPIO4 (INT_SEC_BASE + 3)
+#define INT_UARTA (INT_SEC_BASE + 4)
+#define INT_UARTB (INT_SEC_BASE + 5)
+#define INT_I2C (INT_SEC_BASE + 6)
+#define INT_SPI (INT_SEC_BASE + 7)
+#define INT_TWC (INT_SEC_BASE + 8)
+#define INT_TMR3 (INT_SEC_BASE + 9)
+#define INT_TMR4 (INT_SEC_BASE + 10)
+#define INT_FLOW_RSM0 (INT_SEC_BASE + 11)
+#define INT_FLOW_RSM1 (INT_SEC_BASE + 12)
+#define INT_SPDIF (INT_SEC_BASE + 13)
+#define INT_UARTC (INT_SEC_BASE + 14)
+#define INT_MIPI (INT_SEC_BASE + 15)
+#define INT_EVENTA (INT_SEC_BASE + 16)
+#define INT_EVENTB (INT_SEC_BASE + 17)
+#define INT_EVENTC (INT_SEC_BASE + 18)
+#define INT_EVENTD (INT_SEC_BASE + 19)
+#define INT_VFIR (INT_SEC_BASE + 20)
+#define INT_DVC (INT_SEC_BASE + 21)
+#define INT_SYS_STATS_MON (INT_SEC_BASE + 22)
+#define INT_GPIO5 (INT_SEC_BASE + 23)
+#define INT_CPU0_PMU_INTR (INT_SEC_BASE + 24)
+#define INT_CPU2_PMU_INTR (INT_SEC_BASE + 25)
+#define INT_SEC_RES_26 (INT_SEC_BASE + 26)
+#define INT_S_LINK1 (INT_SEC_BASE + 27)
+#define INT_APB_DMA_COP (INT_SEC_BASE + 28)
+#define INT_AHB_DMA_COP (INT_SEC_BASE + 29)
+#define INT_DMA_TX (INT_SEC_BASE + 30)
+#define INT_DMA_RX (INT_SEC_BASE + 31)
+
+/* Tertiary Interrupt Controller */
+#define INT_TRI_BASE (INT_SEC_BASE + 32)
+#define INT_HOST1X_COP_SYNCPT (INT_TRI_BASE + 0)
+#define INT_HOST1X_MPCORE_SYNCPT (INT_TRI_BASE + 1)
+#define INT_HOST1X_COP_GENERAL (INT_TRI_BASE + 2)
+#define INT_HOST1X_MPCORE_GENERAL (INT_TRI_BASE + 3)
+#define INT_MPE_GENERAL (INT_TRI_BASE + 4)
+#define INT_VI_GENERAL (INT_TRI_BASE + 5)
+#define INT_EPP_GENERAL (INT_TRI_BASE + 6)
+#define INT_ISP_GENERAL (INT_TRI_BASE + 7)
+#define INT_2D_GENERAL (INT_TRI_BASE + 8)
+#define INT_DISPLAY_GENERAL (INT_TRI_BASE + 9)
+#define INT_DISPLAY_B_GENERAL (INT_TRI_BASE + 10)
+#define INT_HDMI (INT_TRI_BASE + 11)
+#define INT_TVO_GENERAL (INT_TRI_BASE + 12)
+#define INT_MC_GENERAL (INT_TRI_BASE + 13)
+#define INT_EMC_GENERAL (INT_TRI_BASE + 14)
+#define INT_TRI_RES_15 (INT_TRI_BASE + 15)
+#define INT_TRI_RES_16 (INT_TRI_BASE + 16)
+#define INT_AC97 (INT_TRI_BASE + 17)
+#define INT_SPI_2 (INT_TRI_BASE + 18)
+#define INT_SPI_3 (INT_TRI_BASE + 19)
+#define INT_I2C2 (INT_TRI_BASE + 20)
+#define INT_KBC (INT_TRI_BASE + 21)
+#define INT_EXTERNAL_PMU (INT_TRI_BASE + 22)
+#define INT_GPIO6 (INT_TRI_BASE + 23)
+#define INT_TVDAC (INT_TRI_BASE + 24)
+#define INT_GPIO7 (INT_TRI_BASE + 25)
+#define INT_UARTD (INT_TRI_BASE + 26)
+#define INT_UARTE (INT_TRI_BASE + 27)
+#define INT_I2C3 (INT_TRI_BASE + 28)
+#define INT_SPI_4 (INT_TRI_BASE + 29)
+#define INT_TRI_RES_30 (INT_TRI_BASE + 30)
+#define INT_SW_RESERVED (INT_TRI_BASE + 31)
+
+/* Quaternary Interrupt Controller */
+#define INT_QUAD_BASE (INT_TRI_BASE + 32)
+#define INT_SNOR (INT_QUAD_BASE + 0)
+#define INT_USB3 (INT_QUAD_BASE + 1)
+#define INT_PCIE_INTR (INT_QUAD_BASE + 2)
+#define INT_PCIE_MSI (INT_QUAD_BASE + 3)
+#define INT_QUAD_RES_4 (INT_QUAD_BASE + 4)
+#define INT_QUAD_RES_5 (INT_QUAD_BASE + 5)
+#define INT_QUAD_RES_6 (INT_QUAD_BASE + 6)
+#define INT_QUAD_RES_7 (INT_QUAD_BASE + 7)
+#define INT_APB_DMA_CH0 (INT_QUAD_BASE + 8)
+#define INT_APB_DMA_CH1 (INT_QUAD_BASE + 9)
+#define INT_APB_DMA_CH2 (INT_QUAD_BASE + 10)
+#define INT_APB_DMA_CH3 (INT_QUAD_BASE + 11)
+#define INT_APB_DMA_CH4 (INT_QUAD_BASE + 12)
+#define INT_APB_DMA_CH5 (INT_QUAD_BASE + 13)
+#define INT_APB_DMA_CH6 (INT_QUAD_BASE + 14)
+#define INT_APB_DMA_CH7 (INT_QUAD_BASE + 15)
+#define INT_APB_DMA_CH8 (INT_QUAD_BASE + 16)
+#define INT_APB_DMA_CH9 (INT_QUAD_BASE + 17)
+#define INT_APB_DMA_CH10 (INT_QUAD_BASE + 18)
+#define INT_APB_DMA_CH11 (INT_QUAD_BASE + 19)
+#define INT_APB_DMA_CH12 (INT_QUAD_BASE + 20)
+#define INT_APB_DMA_CH13 (INT_QUAD_BASE + 21)
+#define INT_APB_DMA_CH14 (INT_QUAD_BASE + 22)
+#define INT_APB_DMA_CH15 (INT_QUAD_BASE + 23)
+#define INT_QUAD_RES_24 (INT_QUAD_BASE + 24)
+#define INT_QUAD_RES_25 (INT_QUAD_BASE + 25)
+#define INT_QUAD_RES_26 (INT_QUAD_BASE + 26)
+#define INT_QUAD_RES_27 (INT_QUAD_BASE + 27)
+#define INT_QUAD_RES_28 (INT_QUAD_BASE + 28)
+#define INT_QUAD_RES_29 (INT_QUAD_BASE + 29)
+#define INT_QUAD_RES_30 (INT_QUAD_BASE + 30)
+#define INT_QUAD_RES_31 (INT_QUAD_BASE + 31)
+
+#define INT_GPIO_BASE (INT_QUAD_BASE + 32)
+#define INT_GPIO_NR (28 * 8)
+
+#define NR_IRQS (INT_GPIO_BASE + INT_GPIO_NR)
+
+#endif
diff --git a/arch/arm/mach-tegra/include/mach/memory.h b/arch/arm/mach-tegra/include/mach/memory.h
new file mode 100644
index 0000000000000000000000000000000000000000..6151bab62af207078960e8df6518ed6f55fd85f9
--- /dev/null
+++ b/arch/arm/mach-tegra/include/mach/memory.h
@@ -0,0 +1,28 @@
+/*
+ * arch/arm/mach-tegra/include/mach/memory.h
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ * Colin Cross <ccross@google.com>
+ * Erik Gilling <konkers@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __MACH_TEGRA_MEMORY_H
+#define __MACH_TEGRA_MEMORY_H
+
+/* physical offset of RAM */
+#define PHYS_OFFSET UL(0)
+
+#endif
+
diff --git a/arch/arm/mach-tegra/include/mach/pinmux.h b/arch/arm/mach-tegra/include/mach/pinmux.h
new file mode 100644
index 0000000000000000000000000000000000000000..41c8ce5b7c27564b7621397a86fe0b2722a1e48f
--- /dev/null
+++ b/arch/arm/mach-tegra/include/mach/pinmux.h
@@ -0,0 +1,348 @@
+/*
+ * linux/arch/arm/mach-tegra/include/mach/pinmux.h
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __MACH_TEGRA_PINMUX_H
+#define __MACH_TEGRA_PINMUX_H
+
+enum tegra_pingroup {
+ TEGRA_PINGROUP_ATA = 0,
+ TEGRA_PINGROUP_ATB,
+ TEGRA_PINGROUP_ATC,
+ TEGRA_PINGROUP_ATD,
+ TEGRA_PINGROUP_ATE,
+ TEGRA_PINGROUP_CDEV1,
+ TEGRA_PINGROUP_CDEV2,
+ TEGRA_PINGROUP_CRTP,
+ TEGRA_PINGROUP_CSUS,
+ TEGRA_PINGROUP_DAP1,
+ TEGRA_PINGROUP_DAP2,
+ TEGRA_PINGROUP_DAP3,
+ TEGRA_PINGROUP_DAP4,
+ TEGRA_PINGROUP_DDC,
+ TEGRA_PINGROUP_DTA,
+ TEGRA_PINGROUP_DTB,
+ TEGRA_PINGROUP_DTC,
+ TEGRA_PINGROUP_DTD,
+ TEGRA_PINGROUP_DTE,
+ TEGRA_PINGROUP_DTF,
+ TEGRA_PINGROUP_GMA,
+ TEGRA_PINGROUP_GMB,
+ TEGRA_PINGROUP_GMC,
+ TEGRA_PINGROUP_GMD,
+ TEGRA_PINGROUP_GME,
+ TEGRA_PINGROUP_GPU,
+ TEGRA_PINGROUP_GPU7,
+ TEGRA_PINGROUP_GPV,
+ TEGRA_PINGROUP_HDINT,
+ TEGRA_PINGROUP_I2CP,
+ TEGRA_PINGROUP_IRRX,
+ TEGRA_PINGROUP_IRTX,
+ TEGRA_PINGROUP_KBCA,
+ TEGRA_PINGROUP_KBCB,
+ TEGRA_PINGROUP_KBCC,
+ TEGRA_PINGROUP_KBCD,
+ TEGRA_PINGROUP_KBCE,
+ TEGRA_PINGROUP_KBCF,
+ TEGRA_PINGROUP_LCSN,
+ TEGRA_PINGROUP_LD0,
+ TEGRA_PINGROUP_LD1,
+ TEGRA_PINGROUP_LD10,
+ TEGRA_PINGROUP_LD11,
+ TEGRA_PINGROUP_LD12,
+ TEGRA_PINGROUP_LD13,
+ TEGRA_PINGROUP_LD14,
+ TEGRA_PINGROUP_LD15,
+ TEGRA_PINGROUP_LD16,
+ TEGRA_PINGROUP_LD17,
+ TEGRA_PINGROUP_LD2,
+ TEGRA_PINGROUP_LD3,
+ TEGRA_PINGROUP_LD4,
+ TEGRA_PINGROUP_LD5,
+ TEGRA_PINGROUP_LD6,
+ TEGRA_PINGROUP_LD7,
+ TEGRA_PINGROUP_LD8,
+ TEGRA_PINGROUP_LD9,
+ TEGRA_PINGROUP_LDC,
+ TEGRA_PINGROUP_LDI,
+ TEGRA_PINGROUP_LHP0,
+ TEGRA_PINGROUP_LHP1,
+ TEGRA_PINGROUP_LHP2,
+ TEGRA_PINGROUP_LHS,
+ TEGRA_PINGROUP_LM0,
+ TEGRA_PINGROUP_LM1,
+ TEGRA_PINGROUP_LPP,
+ TEGRA_PINGROUP_LPW0,
+ TEGRA_PINGROUP_LPW1,
+ TEGRA_PINGROUP_LPW2,
+ TEGRA_PINGROUP_LSC0,
+ TEGRA_PINGROUP_LSC1,
+ TEGRA_PINGROUP_LSCK,
+ TEGRA_PINGROUP_LSDA,
+ TEGRA_PINGROUP_LSDI,
+ TEGRA_PINGROUP_LSPI,
+ TEGRA_PINGROUP_LVP0,
+ TEGRA_PINGROUP_LVP1,
+ TEGRA_PINGROUP_LVS,
+ TEGRA_PINGROUP_OWC,
+ TEGRA_PINGROUP_PMC,
+ TEGRA_PINGROUP_PTA,
+ TEGRA_PINGROUP_RM,
+ TEGRA_PINGROUP_SDB,
+ TEGRA_PINGROUP_SDC,
+ TEGRA_PINGROUP_SDD,
+ TEGRA_PINGROUP_SDIO1,
+ TEGRA_PINGROUP_SLXA,
+ TEGRA_PINGROUP_SLXC,
+ TEGRA_PINGROUP_SLXD,
+ TEGRA_PINGROUP_SLXK,
+ TEGRA_PINGROUP_SPDI,
+ TEGRA_PINGROUP_SPDO,
+ TEGRA_PINGROUP_SPIA,
+ TEGRA_PINGROUP_SPIB,
+ TEGRA_PINGROUP_SPIC,
+ TEGRA_PINGROUP_SPID,
+ TEGRA_PINGROUP_SPIE,
+ TEGRA_PINGROUP_SPIF,
+ TEGRA_PINGROUP_SPIG,
+ TEGRA_PINGROUP_SPIH,
+ TEGRA_PINGROUP_UAA,
+ TEGRA_PINGROUP_UAB,
+ TEGRA_PINGROUP_UAC,
+ TEGRA_PINGROUP_UAD,
+ TEGRA_PINGROUP_UCA,
+ TEGRA_PINGROUP_UCB,
+ TEGRA_PINGROUP_UDA,
+ /* these pin groups only have pullup and pull down control */
+ TEGRA_PINGROUP_CK32,
+ TEGRA_PINGROUP_DDRC,
+ TEGRA_PINGROUP_PMCA,
+ TEGRA_PINGROUP_PMCB,
+ TEGRA_PINGROUP_PMCC,
+ TEGRA_PINGROUP_PMCD,
+ TEGRA_PINGROUP_PMCE,
+ TEGRA_PINGROUP_XM2C,
+ TEGRA_PINGROUP_XM2D,
+ TEGRA_MAX_PINGROUP,
+};
+
+enum tegra_mux_func {
+ TEGRA_MUX_RSVD = 0x8000,
+ TEGRA_MUX_RSVD1 = 0x8000,
+ TEGRA_MUX_RSVD2 = 0x8001,
+ TEGRA_MUX_RSVD3 = 0x8002,
+ TEGRA_MUX_RSVD4 = 0x8003,
+ TEGRA_MUX_NONE = -1,
+ TEGRA_MUX_AHB_CLK,
+ TEGRA_MUX_APB_CLK,
+ TEGRA_MUX_AUDIO_SYNC,
+ TEGRA_MUX_CRT,
+ TEGRA_MUX_DAP1,
+ TEGRA_MUX_DAP2,
+ TEGRA_MUX_DAP3,
+ TEGRA_MUX_DAP4,
+ TEGRA_MUX_DAP5,
+ TEGRA_MUX_DISPLAYA,
+ TEGRA_MUX_DISPLAYB,
+ TEGRA_MUX_EMC_TEST0_DLL,
+ TEGRA_MUX_EMC_TEST1_DLL,
+ TEGRA_MUX_GMI,
+ TEGRA_MUX_GMI_INT,
+ TEGRA_MUX_HDMI,
+ TEGRA_MUX_I2C,
+ TEGRA_MUX_I2C2,
+ TEGRA_MUX_I2C3,
+ TEGRA_MUX_IDE,
+ TEGRA_MUX_IRDA,
+ TEGRA_MUX_KBC,
+ TEGRA_MUX_MIO,
+ TEGRA_MUX_MIPI_HS,
+ TEGRA_MUX_NAND,
+ TEGRA_MUX_OSC,
+ TEGRA_MUX_OWR,
+ TEGRA_MUX_PCIE,
+ TEGRA_MUX_PLLA_OUT,
+ TEGRA_MUX_PLLC_OUT1,
+ TEGRA_MUX_PLLM_OUT1,
+ TEGRA_MUX_PLLP_OUT2,
+ TEGRA_MUX_PLLP_OUT3,
+ TEGRA_MUX_PLLP_OUT4,
+ TEGRA_MUX_PWM,
+ TEGRA_MUX_PWR_INTR,
+ TEGRA_MUX_PWR_ON,
+ TEGRA_MUX_RTCK,
+ TEGRA_MUX_SDIO1,
+ TEGRA_MUX_SDIO2,
+ TEGRA_MUX_SDIO3,
+ TEGRA_MUX_SDIO4,
+ TEGRA_MUX_SFLASH,
+ TEGRA_MUX_SPDIF,
+ TEGRA_MUX_SPI1,
+ TEGRA_MUX_SPI2,
+ TEGRA_MUX_SPI2_ALT,
+ TEGRA_MUX_SPI3,
+ TEGRA_MUX_SPI4,
+ TEGRA_MUX_TRACE,
+ TEGRA_MUX_TWC,
+ TEGRA_MUX_UARTA,
+ TEGRA_MUX_UARTB,
+ TEGRA_MUX_UARTC,
+ TEGRA_MUX_UARTD,
+ TEGRA_MUX_UARTE,
+ TEGRA_MUX_ULPI,
+ TEGRA_MUX_VI,
+ TEGRA_MUX_VI_SENSOR_CLK,
+ TEGRA_MUX_XIO,
+ TEGRA_MAX_MUX,
+};
+
+enum tegra_pullupdown {
+ TEGRA_PUPD_NORMAL = 0,
+ TEGRA_PUPD_PULL_DOWN,
+ TEGRA_PUPD_PULL_UP,
+};
+
+enum tegra_tristate {
+ TEGRA_TRI_NORMAL = 0,
+ TEGRA_TRI_TRISTATE = 1,
+};
+
+struct tegra_pingroup_config {
+ enum tegra_pingroup pingroup;
+ enum tegra_mux_func func;
+ enum tegra_pullupdown pupd;
+ enum tegra_tristate tristate;
+};
+
+enum tegra_slew {
+ TEGRA_SLEW_FASTEST = 0,
+ TEGRA_SLEW_FAST,
+ TEGRA_SLEW_SLOW,
+ TEGRA_SLEW_SLOWEST,
+ TEGRA_MAX_SLEW,
+};
+
+enum tegra_pull_strength {
+ TEGRA_PULL_0 = 0,
+ TEGRA_PULL_1,
+ TEGRA_PULL_2,
+ TEGRA_PULL_3,
+ TEGRA_PULL_4,
+ TEGRA_PULL_5,
+ TEGRA_PULL_6,
+ TEGRA_PULL_7,
+ TEGRA_PULL_8,
+ TEGRA_PULL_9,
+ TEGRA_PULL_10,
+ TEGRA_PULL_11,
+ TEGRA_PULL_12,
+ TEGRA_PULL_13,
+ TEGRA_PULL_14,
+ TEGRA_PULL_15,
+ TEGRA_PULL_16,
+ TEGRA_PULL_17,
+ TEGRA_PULL_18,
+ TEGRA_PULL_19,
+ TEGRA_PULL_20,
+ TEGRA_PULL_21,
+ TEGRA_PULL_22,
+ TEGRA_PULL_23,
+ TEGRA_PULL_24,
+ TEGRA_PULL_25,
+ TEGRA_PULL_26,
+ TEGRA_PULL_27,
+ TEGRA_PULL_28,
+ TEGRA_PULL_29,
+ TEGRA_PULL_30,
+ TEGRA_PULL_31,
+ TEGRA_MAX_PULL,
+};
+
+enum tegra_drive_pingroup {
+ TEGRA_DRIVE_PINGROUP_AO1 = 0,
+ TEGRA_DRIVE_PINGROUP_AO2,
+ TEGRA_DRIVE_PINGROUP_AT1,
+ TEGRA_DRIVE_PINGROUP_AT2,
+ TEGRA_DRIVE_PINGROUP_CDEV1,
+ TEGRA_DRIVE_PINGROUP_CDEV2,
+ TEGRA_DRIVE_PINGROUP_CSUS,
+ TEGRA_DRIVE_PINGROUP_DAP1,
+ TEGRA_DRIVE_PINGROUP_DAP2,
+ TEGRA_DRIVE_PINGROUP_DAP3,
+ TEGRA_DRIVE_PINGROUP_DAP4,
+ TEGRA_DRIVE_PINGROUP_DBG,
+ TEGRA_DRIVE_PINGROUP_LCD1,
+ TEGRA_DRIVE_PINGROUP_LCD2,
+ TEGRA_DRIVE_PINGROUP_SDMMC2,
+ TEGRA_DRIVE_PINGROUP_SDMMC3,
+ TEGRA_DRIVE_PINGROUP_SPI,
+ TEGRA_DRIVE_PINGROUP_UAA,
+ TEGRA_DRIVE_PINGROUP_UAB,
+ TEGRA_DRIVE_PINGROUP_UART2,
+ TEGRA_DRIVE_PINGROUP_UART3,
+ TEGRA_DRIVE_PINGROUP_VI1,
+ TEGRA_DRIVE_PINGROUP_VI2,
+ TEGRA_DRIVE_PINGROUP_XM2A,
+ TEGRA_DRIVE_PINGROUP_XM2C,
+ TEGRA_DRIVE_PINGROUP_XM2D,
+ TEGRA_DRIVE_PINGROUP_XM2CLK,
+ TEGRA_DRIVE_PINGROUP_MEMCOMP,
+ TEGRA_MAX_DRIVE_PINGROUP,
+};
+
+enum tegra_drive {
+ TEGRA_DRIVE_DIV_8 = 0,
+ TEGRA_DRIVE_DIV_4,
+ TEGRA_DRIVE_DIV_2,
+ TEGRA_DRIVE_DIV_1,
+ TEGRA_MAX_DRIVE,
+};
+
+enum tegra_hsm {
+ TEGRA_HSM_DISABLE = 0,
+ TEGRA_HSM_ENABLE,
+};
+
+enum tegra_schmitt {
+ TEGRA_SCHMITT_DISABLE = 0,
+ TEGRA_SCHMITT_ENABLE,
+};
+
+struct tegra_drive_pingroup_config {
+ enum tegra_drive_pingroup pingroup;
+ enum tegra_hsm hsm;
+ enum tegra_schmitt schmitt;
+ enum tegra_drive drive;
+ enum tegra_pull_strength pull_down;
+ enum tegra_pull_strength pull_up;
+ enum tegra_slew slew_rising;
+ enum tegra_slew slew_falling;
+};
+
+int tegra_pinmux_set_func(enum tegra_pingroup pg, enum tegra_mux_func func);
+int tegra_pinmux_set_tristate(enum tegra_pingroup pg, enum tegra_tristate tristate);
+int tegra_pinmux_set_pullupdown(enum tegra_pingroup pg, enum tegra_pullupdown pupd);
+
+void tegra_pinmux_config_pingroup(enum tegra_pingroup pingroup,
+ enum tegra_mux_func func, enum tegra_pullupdown pupd,
+ enum tegra_tristate tristate);
+
+void tegra_pinmux_config_table(struct tegra_pingroup_config *config, int len);
+
+void tegra_drive_pinmux_config_table(struct tegra_drive_pingroup_config *config,
+ int len);
+
+#endif
+
diff --git a/arch/arm/mach-tegra/include/mach/smp.h b/arch/arm/mach-tegra/include/mach/smp.h
new file mode 100644
index 0000000000000000000000000000000000000000..8b42dab79a70ca17499b55c0ba9042e278428de5
--- /dev/null
+++ b/arch/arm/mach-tegra/include/mach/smp.h
@@ -0,0 +1,30 @@
+#ifndef ASMARM_ARCH_SMP_H
+#define ASMARM_ARCH_SMP_H
+
+
+#include <asm/hardware/gic.h>
+
+#define hard_smp_processor_id() \
+ ({ \
+ unsigned int cpunum; \
+ __asm__("mrc p15, 0, %0, c0, c0, 5" \
+ : "=r" (cpunum)); \
+ cpunum &= 0x0F; \
+ })
+
+/*
+ * We use IRQ1 as the IPI
+ */
+static inline void smp_cross_call(const struct cpumask *mask)
+{
+ gic_raise_softirq(mask, 1);
+}
+
+/*
+ * Do nothing on MPcore.
+ */
+static inline void smp_cross_call_done(cpumask_t callmap)
+{
+}
+
+#endif
diff --git a/arch/arm/mach-tegra/include/mach/system.h b/arch/arm/mach-tegra/include/mach/system.h
new file mode 100644
index 0000000000000000000000000000000000000000..84d5d46113f7457b4e6bf8d7bfcb54ec8f4a0a20
--- /dev/null
+++ b/arch/arm/mach-tegra/include/mach/system.h
@@ -0,0 +1,39 @@
+/*
+ * arch/arm/mach-tegra/include/mach/system.h
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ * Colin Cross <ccross@google.com>
+ * Erik Gilling <konkers@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __MACH_TEGRA_SYSTEM_H
+#define __MACH_TEGRA_SYSTEM_H
+
+#include <mach/hardware.h>
+#include <mach/iomap.h>
+
+static inline void arch_idle(void)
+{
+}
+
+static inline void arch_reset(char mode, const char *cmd)
+{
+ void __iomem *reset = IO_ADDRESS(TEGRA_CLK_RESET_BASE + 0x04);
+ u32 reg = readl(reset);
+ reg |= 0x04;
+ writel(reg, reset);
+}
+
+#endif
diff --git a/arch/arm/mach-tegra/include/mach/timex.h b/arch/arm/mach-tegra/include/mach/timex.h
new file mode 100644
index 0000000000000000000000000000000000000000..a44ccbdb7dbf0d1e72485f0fe8b3058707d71ad6
--- /dev/null
+++ b/arch/arm/mach-tegra/include/mach/timex.h
@@ -0,0 +1,26 @@
+/*
+ * arch/arm/mach-tegra/include/mach/timex.h
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ * Colin Cross <ccross@google.com>
+ * Erik Gilling <konkers@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __MACH_TEGRA_TIMEX_H
+#define __MACH_TEGRA_TIMEX_H
+
+#define CLOCK_TICK_RATE 1000000
+
+#endif
diff --git a/arch/arm/mach-tegra/include/mach/uncompress.h b/arch/arm/mach-tegra/include/mach/uncompress.h
new file mode 100644
index 0000000000000000000000000000000000000000..6c4dd815abd7670e0df8d2980a8d28342ba9bd54
--- /dev/null
+++ b/arch/arm/mach-tegra/include/mach/uncompress.h
@@ -0,0 +1,78 @@
+/*
+ * arch/arm/mach-tegra/include/mach/uncompress.h
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ * Colin Cross <ccross@google.com>
+ * Erik Gilling <konkers@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __MACH_TEGRA_UNCOMPRESS_H
+#define __MACH_TEGRA_UNCOMPRESS_H
+
+#include <linux/types.h>
+#include <linux/serial_reg.h>
+
+#include <mach/iomap.h>
+
+#if defined(CONFIG_TEGRA_DEBUG_UARTA)
+#define DEBUG_UART_BASE TEGRA_UARTA_BASE
+#elif defined(CONFIG_TEGRA_DEBUG_UARTB)
+#define DEBUG_UART_BASE TEGRA_UARTB_BASE
+#elif defined(CONFIG_TEGRA_DEBUG_UARTC)
+#define DEBUG_UART_BASE TEGRA_UARTC_BASE
+#elif defined(CONFIG_TEGRA_DEBUG_UARTD)
+#define DEBUG_UART_BASE TEGRA_UARTD_BASE
+#elif defined(CONFIG_TEGRA_DEBUG_UARTE)
+#define DEBUG_UART_BASE TEGRA_UARTE_BASE
+#else
+#define DEBUG_UART_BASE NULL
+#endif
+
+static void putc(int c)
+{
+ volatile u8 *uart = (volatile u8 *)DEBUG_UART_BASE;
+ int shift = 2;
+
+ if (uart == NULL)
+ return;
+
+ while (!(uart[UART_LSR << shift] & UART_LSR_THRE))
+ barrier();
+ uart[UART_TX << shift] = c;
+}
+
+static inline void flush(void)
+{
+}
+
+static inline void arch_decomp_setup(void)
+{
+ volatile u8 *uart = (volatile u8 *)DEBUG_UART_BASE;
+ int shift = 2;
+
+ if (uart == NULL)
+ return;
+
+ uart[UART_LCR << shift] |= UART_LCR_DLAB;
+ uart[UART_DLL << shift] = 0x75;
+ uart[UART_DLM << shift] = 0x0;
+ uart[UART_LCR << shift] = 3;
+}
+
+static inline void arch_decomp_wdog(void)
+{
+}
+
+#endif
diff --git a/arch/arm/mach-tegra/include/mach/vmalloc.h b/arch/arm/mach-tegra/include/mach/vmalloc.h
new file mode 100644
index 0000000000000000000000000000000000000000..267a141730d9c94fa59a7c0acbd5bbc6426e79d2
--- /dev/null
+++ b/arch/arm/mach-tegra/include/mach/vmalloc.h
@@ -0,0 +1,28 @@
+/*
+ * arch/arm/mach-tegra/include/mach/vmalloc.h
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ * Colin Cross <ccross@google.com>
+ * Erik Gilling <konkers@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __MACH_TEGRA_VMALLOC_H
+#define __MACH_TEGRA_VMALLOC_H
+
+#include <asm/sizes.h>
+
+#define VMALLOC_END 0xFE000000
+
+#endif
diff --git a/arch/arm/mach-tegra/io.c b/arch/arm/mach-tegra/io.c
new file mode 100644
index 0000000000000000000000000000000000000000..9fe2c5c683d471e96e794a86be2061d9a46694a8
--- /dev/null
+++ b/arch/arm/mach-tegra/io.c
@@ -0,0 +1,78 @@
+/*
+ * arch/arm/mach-tegra/io.c
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ * Colin Cross <ccross@google.com>
+ * Erik Gilling <konkers@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/io.h>
+
+#include <mach/hardware.h>
+#include <asm/page.h>
+#include <asm/mach/map.h>
+
+#include "board.h"
+
+static struct map_desc tegra_io_desc[] __initdata = {
+ {
+ .virtual = IO_PPSB_VIRT,
+ .pfn = __phys_to_pfn(IO_PPSB_PHYS),
+ .length = IO_PPSB_SIZE,
+ .type = MT_DEVICE,
+ },
+ {
+ .virtual = IO_APB_VIRT,
+ .pfn = __phys_to_pfn(IO_APB_PHYS),
+ .length = IO_APB_SIZE,
+ .type = MT_DEVICE,
+ },
+ {
+ .virtual = IO_CPU_VIRT,
+ .pfn = __phys_to_pfn(IO_CPU_PHYS),
+ .length = IO_CPU_SIZE,
+ .type = MT_DEVICE,
+ },
+};
+
+void __init tegra_map_common_io(void)
+{
+ iotable_init(tegra_io_desc, ARRAY_SIZE(tegra_io_desc));
+}
+
+/*
+ * Intercept ioremap() requests for addresses in our fixed mapping regions.
+ */
+void __iomem *tegra_ioremap(unsigned long p, size_t size, unsigned int type)
+{
+ void __iomem *v = IO_ADDRESS(p);
+ if (v == NULL)
+ v = __arm_ioremap(p, size, type);
+ return v;
+}
+EXPORT_SYMBOL(tegra_ioremap);
+
+void tegra_iounmap(volatile void __iomem *addr)
+{
+ unsigned long virt = (unsigned long)addr;
+
+ if (virt >= VMALLOC_START && virt < VMALLOC_END)
+ __iounmap(addr);
+}
+EXPORT_SYMBOL(tegra_iounmap);
diff --git a/arch/arm/mach-tegra/irq.c b/arch/arm/mach-tegra/irq.c
new file mode 100644
index 0000000000000000000000000000000000000000..1fdbe708d43d12b5bc73ddf1c553461700932677
--- /dev/null
+++ b/arch/arm/mach-tegra/irq.c
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ * Colin Cross <ccross@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+
+#include <asm/hardware/gic.h>
+
+#include <mach/iomap.h>
+
+#include "board.h"
+
+void __init tegra_init_irq(void)
+{
+ gic_dist_init(0, IO_ADDRESS(TEGRA_ARM_INT_DIST_BASE), 29);
+ gic_cpu_init(0, IO_ADDRESS(TEGRA_ARM_PERIF_BASE + 0x100));
+}
diff --git a/arch/arm/mach-tegra/localtimer.c b/arch/arm/mach-tegra/localtimer.c
new file mode 100644
index 0000000000000000000000000000000000000000..f81ca7cbbc1f7279aea08174896aec401725fa54
--- /dev/null
+++ b/arch/arm/mach-tegra/localtimer.c
@@ -0,0 +1,25 @@
+/*
+ * arch/arm/mach-tegra/localtimer.c
+ *
+ * Copyright (C) 2002 ARM Ltd.
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/init.h>
+#include <linux/smp.h>
+#include <linux/clockchips.h>
+#include <asm/irq.h>
+#include <asm/smp_twd.h>
+#include <asm/localtimer.h>
+
+/*
+ * Setup the local clock events for a CPU.
+ */
+void __cpuinit local_timer_setup(struct clock_event_device *evt)
+{
+ evt->irq = IRQ_LOCALTIMER;
+ twd_timer_setup(evt);
+}
diff --git a/arch/arm/mach-tegra/pinmux.c b/arch/arm/mach-tegra/pinmux.c
new file mode 100644
index 0000000000000000000000000000000000000000..13ae10237e84688565af92668975a2c11e58171a
--- /dev/null
+++ b/arch/arm/mach-tegra/pinmux.c
@@ -0,0 +1,945 @@
+/*
+ * linux/arch/arm/mach-tegra/pinmux.c
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/spinlock.h>
+#include <linux/io.h>
+
+#include <mach/iomap.h>
+#include <mach/pinmux.h>
+
+
+#define TEGRA_TRI_STATE(x) (0x14 + (4 * (x)))
+#define TEGRA_PP_MUX_CTL(x) (0x80 + (4 * (x)))
+#define TEGRA_PP_PU_PD(x) (0xa0 + (4 * (x)))
+
+#define REG_A 0
+#define REG_B 1
+#define REG_C 2
+#define REG_D 3
+#define REG_E 4
+#define REG_F 5
+#define REG_G 6
+
+#define REG_N -1
+
+#define HSM_EN(reg) (((reg) >> 2) & 0x1)
+#define SCHMT_EN(reg) (((reg) >> 3) & 0x1)
+#define LPMD(reg) (((reg) >> 4) & 0x3)
+#define DRVDN(reg) (((reg) >> 12) & 0x1f)
+#define DRVUP(reg) (((reg) >> 20) & 0x1f)
+#define SLWR(reg) (((reg) >> 28) & 0x3)
+#define SLWF(reg) (((reg) >> 30) & 0x3)
+
+struct tegra_pingroup_desc {
+ const char *name;
+ int funcs[4];
+ s8 tri_reg; /* offset into the TRISTATE_REG_* register bank */
+ s8 tri_bit; /* offset into the TRISTATE_REG_* register bit */
+ s8 mux_reg; /* offset into the PIN_MUX_CTL_* register bank */
+ s8 mux_bit; /* offset into the PIN_MUX_CTL_* register bit */
+ s8 pupd_reg; /* offset into the PULL_UPDOWN_REG_* register bank */
+ s8 pupd_bit; /* offset into the PULL_UPDOWN_REG_* register bit */
+};
+
+#define PINGROUP(pg_name, f0, f1, f2, f3, \
+ tri_r, tri_b, mux_r, mux_b, pupd_r, pupd_b) \
+ [TEGRA_PINGROUP_ ## pg_name] = { \
+ .name = #pg_name, \
+ .funcs = { \
+ TEGRA_MUX_ ## f0, \
+ TEGRA_MUX_ ## f1, \
+ TEGRA_MUX_ ## f2, \
+ TEGRA_MUX_ ## f3, \
+ }, \
+ .tri_reg = REG_ ## tri_r, \
+ .tri_bit = tri_b, \
+ .mux_reg = REG_ ## mux_r, \
+ .mux_bit = mux_b, \
+ .pupd_reg = REG_ ## pupd_r, \
+ .pupd_bit = pupd_b, \
+ }
+
+static const struct tegra_pingroup_desc pingroups[TEGRA_MAX_PINGROUP] = {
+ PINGROUP(ATA, IDE, NAND, GMI, RSVD, A, 0, A, 24, A, 0),
+ PINGROUP(ATB, IDE, NAND, GMI, SDIO4, A, 1, A, 16, A, 2),
+ PINGROUP(ATC, IDE, NAND, GMI, SDIO4, A, 2, A, 22, A, 4),
+ PINGROUP(ATD, IDE, NAND, GMI, SDIO4, A, 3, A, 20, A, 6),
+ PINGROUP(ATE, IDE, NAND, GMI, RSVD, B, 25, A, 12, A, 8),
+ PINGROUP(CDEV1, OSC, PLLA_OUT, PLLM_OUT1, AUDIO_SYNC, A, 4, C, 2, C, 0),
+ PINGROUP(CDEV2, OSC, AHB_CLK, APB_CLK, PLLP_OUT4, A, 5, C, 4, C, 2),
+ PINGROUP(CRTP, CRT, RSVD, RSVD, RSVD, D, 14, G, 20, B, 24),
+ PINGROUP(CSUS, PLLC_OUT1, PLLP_OUT2, PLLP_OUT3, VI_SENSOR_CLK, A, 6, C, 6, D, 24),
+ PINGROUP(DAP1, DAP1, RSVD, GMI, SDIO2, A, 7, C, 20, A, 10),
+ PINGROUP(DAP2, DAP2, TWC, RSVD, GMI, A, 8, C, 22, A, 12),
+ PINGROUP(DAP3, DAP3, RSVD, RSVD, RSVD, A, 9, C, 24, A, 14),
+ PINGROUP(DAP4, DAP4, RSVD, GMI, RSVD, A, 10, C, 26, A, 16),
+ PINGROUP(DDC, I2C2, RSVD, RSVD, RSVD, B, 31, C, 0, E, 28),
+ PINGROUP(DTA, RSVD, SDIO2, VI, RSVD, A, 11, B, 20, A, 18),
+ PINGROUP(DTB, RSVD, RSVD, VI, SPI1, A, 12, B, 22, A, 20),
+ PINGROUP(DTC, RSVD, RSVD, VI, RSVD, A, 13, B, 26, A, 22),
+ PINGROUP(DTD, RSVD, SDIO2, VI, RSVD, A, 14, B, 28, A, 24),
+ PINGROUP(DTE, RSVD, RSVD, VI, SPI1, A, 15, B, 30, A, 26),
+ PINGROUP(DTF, I2C3, RSVD, VI, RSVD, D, 12, G, 30, A, 28),
+ PINGROUP(GMA, UARTE, SPI3, GMI, SDIO4, A, 28, B, 0, E, 20),
+ PINGROUP(GMB, IDE, NAND, GMI, GMI_INT, B, 29, C, 28, E, 22),
+ PINGROUP(GMC, UARTD, SPI4, GMI, SFLASH, A, 29, B, 2, E, 24),
+ PINGROUP(GMD, RSVD, NAND, GMI, SFLASH, B, 30, C, 30, E, 26),
+ PINGROUP(GME, RSVD, DAP5, GMI, SDIO4, B, 0, D, 0, C, 24),
+ PINGROUP(GPU, PWM, UARTA, GMI, RSVD, A, 16, D, 4, B, 20),
+ PINGROUP(GPU7, RTCK, RSVD, RSVD, RSVD, D, 11, G, 28, B, 6),
+ PINGROUP(GPV, PCIE, RSVD, RSVD, RSVD, A, 17, D, 2, A, 30),
+ PINGROUP(HDINT, HDMI, RSVD, RSVD, RSVD, C, 23, B, 4, D, 22),
+ PINGROUP(I2CP, I2C, RSVD, RSVD, RSVD, A, 18, C, 8, B, 2),
+ PINGROUP(IRRX, UARTA, UARTB, GMI, SPI4, A, 20, C, 18, C, 22),
+ PINGROUP(IRTX, UARTA, UARTB, GMI, SPI4, A, 19, C, 16, C, 20),
+ PINGROUP(KBCA, KBC, NAND, SDIO2, EMC_TEST0_DLL, A, 22, C, 10, B, 8),
+ PINGROUP(KBCB, KBC, NAND, SDIO2, MIO, A, 21, C, 12, B, 10),
+ PINGROUP(KBCC, KBC, NAND, TRACE, EMC_TEST1_DLL, B, 26, C, 14, B, 12),
+ PINGROUP(KBCD, KBC, NAND, SDIO2, MIO, D, 10, G, 26, B, 14),
+ PINGROUP(KBCE, KBC, NAND, OWR, RSVD, A, 26, A, 28, E, 2),
+ PINGROUP(KBCF, KBC, NAND, TRACE, MIO, A, 27, A, 26, E, 0),
+ PINGROUP(LCSN, DISPLAYA, DISPLAYB, SPI3, RSVD, C, 31, E, 12, D, 20),
+ PINGROUP(LD0, DISPLAYA, DISPLAYB, XIO, RSVD, C, 0, F, 0, D, 12),
+ PINGROUP(LD1, DISPLAYA, DISPLAYB, XIO, RSVD, C, 1, F, 2, D, 12),
+ PINGROUP(LD10, DISPLAYA, DISPLAYB, XIO, RSVD, C, 10, F, 20, D, 12),
+ PINGROUP(LD11, DISPLAYA, DISPLAYB, XIO, RSVD, C, 11, F, 22, D, 12),
+ PINGROUP(LD12, DISPLAYA, DISPLAYB, XIO, RSVD, C, 12, F, 24, D, 12),
+ PINGROUP(LD13, DISPLAYA, DISPLAYB, XIO, RSVD, C, 13, F, 26, D, 12),
+ PINGROUP(LD14, DISPLAYA, DISPLAYB, XIO, RSVD, C, 14, F, 28, D, 12),
+ PINGROUP(LD15, DISPLAYA, DISPLAYB, XIO, RSVD, C, 15, F, 30, D, 12),
+ PINGROUP(LD16, DISPLAYA, DISPLAYB, XIO, RSVD, C, 16, G, 0, D, 12),
+ PINGROUP(LD17, DISPLAYA, DISPLAYB, RSVD, RSVD, C, 17, G, 2, D, 12),
+ PINGROUP(LD2, DISPLAYA, DISPLAYB, XIO, RSVD, C, 2, F, 4, D, 12),
+ PINGROUP(LD3, DISPLAYA, DISPLAYB, XIO, RSVD, C, 3, F, 6, D, 12),
+ PINGROUP(LD4, DISPLAYA, DISPLAYB, XIO, RSVD, C, 4, F, 8, D, 12),
+ PINGROUP(LD5, DISPLAYA, DISPLAYB, XIO, RSVD, C, 5, F, 10, D, 12),
+ PINGROUP(LD6, DISPLAYA, DISPLAYB, XIO, RSVD, C, 6, F, 12, D, 12),
+ PINGROUP(LD7, DISPLAYA, DISPLAYB, XIO, RSVD, C, 7, F, 14, D, 12),
+ PINGROUP(LD8, DISPLAYA, DISPLAYB, XIO, RSVD, C, 8, F, 16, D, 12),
+ PINGROUP(LD9, DISPLAYA, DISPLAYB, XIO, RSVD, C, 9, F, 18, D, 12),
+ PINGROUP(LDC, DISPLAYA, DISPLAYB, RSVD, RSVD, C, 30, E, 14, D, 20),
+ PINGROUP(LDI, DISPLAYA, DISPLAYB, RSVD, RSVD, D, 6, G, 16, D, 18),
+ PINGROUP(LHP0, DISPLAYA, DISPLAYB, RSVD, RSVD, C, 18, G, 10, D, 16),
+ PINGROUP(LHP1, DISPLAYA, DISPLAYB, RSVD, RSVD, C, 19, G, 4, D, 14),
+ PINGROUP(LHP2, DISPLAYA, DISPLAYB, RSVD, RSVD, C, 20, G, 6, D, 14),
+ PINGROUP(LHS, DISPLAYA, DISPLAYB, XIO, RSVD, D, 7, E, 22, D, 22),
+ PINGROUP(LM0, DISPLAYA, DISPLAYB, SPI3, RSVD, C, 24, E, 26, D, 22),
+ PINGROUP(LM1, DISPLAYA, DISPLAYB, RSVD, CRT, C, 25, E, 28, D, 22),
+ PINGROUP(LPP, DISPLAYA, DISPLAYB, RSVD, RSVD, D, 8, G, 14, D, 18),
+ PINGROUP(LPW0, DISPLAYA, DISPLAYB, SPI3, HDMI, D, 3, E, 0, D, 20),
+ PINGROUP(LPW1, DISPLAYA, DISPLAYB, RSVD, RSVD, D, 4, E, 2, D, 20),
+ PINGROUP(LPW2, DISPLAYA, DISPLAYB, SPI3, HDMI, D, 5, E, 4, D, 20),
+ PINGROUP(LSC0, DISPLAYA, DISPLAYB, XIO, RSVD, C, 27, E, 18, D, 22),
+ PINGROUP(LSC1, DISPLAYA, DISPLAYB, SPI3, HDMI, C, 28, E, 20, D, 20),
+ PINGROUP(LSCK, DISPLAYA, DISPLAYB, SPI3, HDMI, C, 29, E, 16, D, 20),
+ PINGROUP(LSDA, DISPLAYA, DISPLAYB, SPI3, HDMI, D, 1, E, 8, D, 20),
+ PINGROUP(LSDI, DISPLAYA, DISPLAYB, SPI3, RSVD, D, 2, E, 6, D, 20),
+ PINGROUP(LSPI, DISPLAYA, DISPLAYB, XIO, HDMI, D, 0, E, 10, D, 22),
+ PINGROUP(LVP0, DISPLAYA, DISPLAYB, RSVD, RSVD, C, 21, E, 30, D, 22),
+ PINGROUP(LVP1, DISPLAYA, DISPLAYB, RSVD, RSVD, C, 22, G, 8, D, 16),
+ PINGROUP(LVS, DISPLAYA, DISPLAYB, XIO, RSVD, C, 26, E, 24, D, 22),
+ PINGROUP(OWC, OWR, RSVD, RSVD, RSVD, A, 31, B, 8, E, 30),
+ PINGROUP(PMC, PWR_ON, PWR_INTR, RSVD, RSVD, A, 23, G, 18, N, -1),
+ PINGROUP(PTA, I2C2, HDMI, GMI, RSVD, A, 24, G, 22, B, 4),
+ PINGROUP(RM, I2C, RSVD, RSVD, RSVD, A, 25, A, 14, B, 0),
+ PINGROUP(SDB, UARTA, PWM, SDIO3, SPI2, D, 15, D, 10, N, -1),
+ PINGROUP(SDC, PWM, TWC, SDIO3, SPI3, B, 1, D, 12, D, 28),
+ PINGROUP(SDD, UARTA, PWM, SDIO3, SPI3, B, 2, D, 14, D, 30),
+ PINGROUP(SDIO1, SDIO1, RSVD, UARTE, UARTA, A, 30, A, 30, E, 18),
+ PINGROUP(SLXA, PCIE, SPI4, SDIO3, SPI2, B, 3, B, 6, B, 22),
+ PINGROUP(SLXC, SPDIF, SPI4, SDIO3, SPI2, B, 5, B, 10, B, 26),
+ PINGROUP(SLXD, SPDIF, SPI4, SDIO3, SPI2, B, 6, B, 12, B, 28),
+ PINGROUP(SLXK, PCIE, SPI4, SDIO3, SPI2, B, 7, B, 14, B, 30),
+ PINGROUP(SPDI, SPDIF, RSVD, I2C, SDIO2, B, 8, D, 8, B, 16),
+ PINGROUP(SPDO, SPDIF, RSVD, I2C, SDIO2, B, 9, D, 6, B, 18),
+ PINGROUP(SPIA, SPI1, SPI2, SPI3, GMI, B, 10, D, 30, C, 4),
+ PINGROUP(SPIB, SPI1, SPI2, SPI3, GMI, B, 11, D, 28, C, 6),
+ PINGROUP(SPIC, SPI1, SPI2, SPI3, GMI, B, 12, D, 26, C, 8),
+ PINGROUP(SPID, SPI2, SPI1, SPI2_ALT, GMI, B, 13, D, 24, C, 10),
+ PINGROUP(SPIE, SPI2, SPI1, SPI2_ALT, GMI, B, 14, D, 22, C, 12),
+ PINGROUP(SPIF, SPI3, SPI1, SPI2, RSVD, B, 15, D, 20, C, 14),
+ PINGROUP(SPIG, SPI3, SPI2, SPI2_ALT, I2C, B, 16, D, 18, C, 16),
+ PINGROUP(SPIH, SPI3, SPI2, SPI2_ALT, I2C, B, 17, D, 16, C, 18),
+ PINGROUP(UAA, SPI3, MIPI_HS, UARTA, ULPI, B, 18, A, 0, D, 0),
+ PINGROUP(UAB, SPI2, MIPI_HS, UARTA, ULPI, B, 19, A, 2, D, 2),
+ PINGROUP(UAC, OWR, RSVD, RSVD, RSVD, B, 20, A, 4, D, 4),
+ PINGROUP(UAD, IRDA, SPDIF, UARTA, SPI4, B, 21, A, 6, D, 6),
+ PINGROUP(UCA, UARTC, RSVD, GMI, RSVD, B, 22, B, 16, D, 8),
+ PINGROUP(UCB, UARTC, PWM, GMI, RSVD, B, 23, B, 18, D, 10),
+ PINGROUP(UDA, SPI1, RSVD, UARTD, ULPI, D, 13, A, 8, E, 16),
+ /* these pin groups only have pullup and pull down control */
+ PINGROUP(CK32, RSVD, RSVD, RSVD, RSVD, N, -1, N, -1, E, 14),
+ PINGROUP(DDRC, RSVD, RSVD, RSVD, RSVD, N, -1, N, -1, D, 26),
+ PINGROUP(PMCA, RSVD, RSVD, RSVD, RSVD, N, -1, N, -1, E, 4),
+ PINGROUP(PMCB, RSVD, RSVD, RSVD, RSVD, N, -1, N, -1, E, 6),
+ PINGROUP(PMCC, RSVD, RSVD, RSVD, RSVD, N, -1, N, -1, E, 8),
+ PINGROUP(PMCD, RSVD, RSVD, RSVD, RSVD, N, -1, N, -1, E, 10),
+ PINGROUP(PMCE, RSVD, RSVD, RSVD, RSVD, N, -1, N, -1, E, 12),
+ PINGROUP(XM2C, RSVD, RSVD, RSVD, RSVD, N, -1, N, -1, C, 30),
+ PINGROUP(XM2D, RSVD, RSVD, RSVD, RSVD, N, -1, N, -1, C, 28),
+};
+
+static char *tegra_mux_names[TEGRA_MAX_MUX] = {
+ [TEGRA_MUX_AHB_CLK] = "AHB_CLK",
+ [TEGRA_MUX_APB_CLK] = "APB_CLK",
+ [TEGRA_MUX_AUDIO_SYNC] = "AUDIO_SYNC",
+ [TEGRA_MUX_CRT] = "CRT",
+ [TEGRA_MUX_DAP1] = "DAP1",
+ [TEGRA_MUX_DAP2] = "DAP2",
+ [TEGRA_MUX_DAP3] = "DAP3",
+ [TEGRA_MUX_DAP4] = "DAP4",
+ [TEGRA_MUX_DAP5] = "DAP5",
+ [TEGRA_MUX_DISPLAYA] = "DISPLAYA",
+ [TEGRA_MUX_DISPLAYB] = "DISPLAYB",
+ [TEGRA_MUX_EMC_TEST0_DLL] = "EMC_TEST0_DLL",
+ [TEGRA_MUX_EMC_TEST1_DLL] = "EMC_TEST1_DLL",
+ [TEGRA_MUX_GMI] = "GMI",
+ [TEGRA_MUX_GMI_INT] = "GMI_INT",
+ [TEGRA_MUX_HDMI] = "HDMI",
+ [TEGRA_MUX_I2C] = "I2C",
+ [TEGRA_MUX_I2C2] = "I2C2",
+ [TEGRA_MUX_I2C3] = "I2C3",
+ [TEGRA_MUX_IDE] = "IDE",
+ [TEGRA_MUX_IRDA] = "IRDA",
+ [TEGRA_MUX_KBC] = "KBC",
+ [TEGRA_MUX_MIO] = "MIO",
+ [TEGRA_MUX_MIPI_HS] = "MIPI_HS",
+ [TEGRA_MUX_NAND] = "NAND",
+ [TEGRA_MUX_OSC] = "OSC",
+ [TEGRA_MUX_OWR] = "OWR",
+ [TEGRA_MUX_PCIE] = "PCIE",
+ [TEGRA_MUX_PLLA_OUT] = "PLLA_OUT",
+ [TEGRA_MUX_PLLC_OUT1] = "PLLC_OUT1",
+ [TEGRA_MUX_PLLM_OUT1] = "PLLM_OUT1",
+ [TEGRA_MUX_PLLP_OUT2] = "PLLP_OUT2",
+ [TEGRA_MUX_PLLP_OUT3] = "PLLP_OUT3",
+ [TEGRA_MUX_PLLP_OUT4] = "PLLP_OUT4",
+ [TEGRA_MUX_PWM] = "PWM",
+ [TEGRA_MUX_PWR_INTR] = "PWR_INTR",
+ [TEGRA_MUX_PWR_ON] = "PWR_ON",
+ [TEGRA_MUX_RTCK] = "RTCK",
+ [TEGRA_MUX_SDIO1] = "SDIO1",
+ [TEGRA_MUX_SDIO2] = "SDIO2",
+ [TEGRA_MUX_SDIO3] = "SDIO3",
+ [TEGRA_MUX_SDIO4] = "SDIO4",
+ [TEGRA_MUX_SFLASH] = "SFLASH",
+ [TEGRA_MUX_SPDIF] = "SPDIF",
+ [TEGRA_MUX_SPI1] = "SPI1",
+ [TEGRA_MUX_SPI2] = "SPI2",
+ [TEGRA_MUX_SPI2_ALT] = "SPI2_ALT",
+ [TEGRA_MUX_SPI3] = "SPI3",
+ [TEGRA_MUX_SPI4] = "SPI4",
+ [TEGRA_MUX_TRACE] = "TRACE",
+ [TEGRA_MUX_TWC] = "TWC",
+ [TEGRA_MUX_UARTA] = "UARTA",
+ [TEGRA_MUX_UARTB] = "UARTB",
+ [TEGRA_MUX_UARTC] = "UARTC",
+ [TEGRA_MUX_UARTD] = "UARTD",
+ [TEGRA_MUX_UARTE] = "UARTE",
+ [TEGRA_MUX_ULPI] = "ULPI",
+ [TEGRA_MUX_VI] = "VI",
+ [TEGRA_MUX_VI_SENSOR_CLK] = "VI_SENSOR_CLK",
+ [TEGRA_MUX_XIO] = "XIO",
+};
+
+struct tegra_drive_pingroup_desc {
+ const char *name;
+ s16 reg;
+};
+
+#define DRIVE_PINGROUP(pg_name, r) \
+ [TEGRA_DRIVE_PINGROUP_ ## pg_name] = { \
+ .name = #pg_name, \
+ .reg = r \
+ }
+
+static const struct tegra_drive_pingroup_desc drive_pingroups[TEGRA_MAX_PINGROUP] = {
+ DRIVE_PINGROUP(AO1, 0x868),
+ DRIVE_PINGROUP(AO2, 0x86c),
+ DRIVE_PINGROUP(AT1, 0x870),
+ DRIVE_PINGROUP(AT2, 0x874),
+ DRIVE_PINGROUP(CDEV1, 0x878),
+ DRIVE_PINGROUP(CDEV2, 0x87c),
+ DRIVE_PINGROUP(CSUS, 0x880),
+ DRIVE_PINGROUP(DAP1, 0x884),
+ DRIVE_PINGROUP(DAP2, 0x888),
+ DRIVE_PINGROUP(DAP3, 0x88c),
+ DRIVE_PINGROUP(DAP4, 0x890),
+ DRIVE_PINGROUP(DBG, 0x894),
+ DRIVE_PINGROUP(LCD1, 0x898),
+ DRIVE_PINGROUP(LCD2, 0x89c),
+ DRIVE_PINGROUP(SDMMC2, 0x8a0),
+ DRIVE_PINGROUP(SDMMC3, 0x8a4),
+ DRIVE_PINGROUP(SPI, 0x8a8),
+ DRIVE_PINGROUP(UAA, 0x8ac),
+ DRIVE_PINGROUP(UAB, 0x8b0),
+ DRIVE_PINGROUP(UART2, 0x8b4),
+ DRIVE_PINGROUP(UART3, 0x8b8),
+ DRIVE_PINGROUP(VI1, 0x8bc),
+ DRIVE_PINGROUP(VI2, 0x8c0),
+ DRIVE_PINGROUP(XM2A, 0x8c4),
+ DRIVE_PINGROUP(XM2C, 0x8c8),
+ DRIVE_PINGROUP(XM2D, 0x8cc),
+ DRIVE_PINGROUP(XM2CLK, 0x8d0),
+ DRIVE_PINGROUP(MEMCOMP, 0x8d4),
+};
+
+static const char *tegra_drive_names[TEGRA_MAX_DRIVE] = {
+ [TEGRA_DRIVE_DIV_8] = "DIV_8",
+ [TEGRA_DRIVE_DIV_4] = "DIV_4",
+ [TEGRA_DRIVE_DIV_2] = "DIV_2",
+ [TEGRA_DRIVE_DIV_1] = "DIV_1",
+};
+
+static const char *tegra_slew_names[TEGRA_MAX_SLEW] = {
+ [TEGRA_SLEW_FASTEST] = "FASTEST",
+ [TEGRA_SLEW_FAST] = "FAST",
+ [TEGRA_SLEW_SLOW] = "SLOW",
+ [TEGRA_SLEW_SLOWEST] = "SLOWEST",
+};
+
+static DEFINE_SPINLOCK(mux_lock);
+
+static const char *pingroup_name(enum tegra_pingroup pg)
+{
+ if (pg < 0 || pg >= TEGRA_MAX_PINGROUP)
+ return "<UNKNOWN>";
+
+ return pingroups[pg].name;
+}
+
+static const char *func_name(enum tegra_mux_func func)
+{
+ if (func == TEGRA_MUX_RSVD1)
+ return "RSVD1";
+
+ if (func == TEGRA_MUX_RSVD2)
+ return "RSVD2";
+
+ if (func == TEGRA_MUX_RSVD3)
+ return "RSVD3";
+
+ if (func == TEGRA_MUX_RSVD4)
+ return "RSVD4";
+
+ if (func == TEGRA_MUX_NONE)
+ return "NONE";
+
+ if (func < 0 || func >= TEGRA_MAX_MUX)
+ return "<UNKNOWN>";
+
+ return tegra_mux_names[func];
+}
+
+
+static const char *tri_name(unsigned long val)
+{
+ return val ? "TRISTATE" : "NORMAL";
+}
+
+static const char *pupd_name(unsigned long val)
+{
+ switch (val) {
+ case 0:
+ return "NORMAL";
+
+ case 1:
+ return "PULL_DOWN";
+
+ case 2:
+ return "PULL_UP";
+
+ default:
+ return "RSVD";
+ }
+}
+
+
+static inline unsigned long pg_readl(unsigned long offset)
+{
+ return readl(IO_TO_VIRT(TEGRA_APB_MISC_BASE + offset));
+}
+
+static inline void pg_writel(unsigned long value, unsigned long offset)
+{
+ writel(value, IO_TO_VIRT(TEGRA_APB_MISC_BASE + offset));
+}
+
+int tegra_pinmux_set_func(enum tegra_pingroup pg, enum tegra_mux_func func)
+{
+ int mux = -1;
+ int i;
+ unsigned long reg;
+ unsigned long flags;
+
+ if (pg < 0 || pg >= TEGRA_MAX_PINGROUP)
+ return -ERANGE;
+
+ if (pingroups[pg].mux_reg == REG_N)
+ return -EINVAL;
+
+ if (func < 0)
+ return -ERANGE;
+
+ if (func & TEGRA_MUX_RSVD) {
+ mux = func & 0x3;
+ } else {
+ for (i = 0; i < 4; i++) {
+ if (pingroups[pg].funcs[i] == func) {
+ mux = i;
+ break;
+ }
+ }
+ }
+
+ if (mux < 0)
+ return -EINVAL;
+
+ spin_lock_irqsave(&mux_lock, flags);
+
+ reg = pg_readl(TEGRA_PP_MUX_CTL(pingroups[pg].mux_reg));
+ reg &= ~(0x3 << pingroups[pg].mux_bit);
+ reg |= mux << pingroups[pg].mux_bit;
+ pg_writel(reg, TEGRA_PP_MUX_CTL(pingroups[pg].mux_reg));
+
+ spin_unlock_irqrestore(&mux_lock, flags);
+
+ return 0;
+}
+
+int tegra_pinmux_set_tristate(enum tegra_pingroup pg,
+ enum tegra_tristate tristate)
+{
+ unsigned long reg;
+ unsigned long flags;
+
+ if (pg < 0 || pg >= TEGRA_MAX_PINGROUP)
+ return -ERANGE;
+
+ if (pingroups[pg].tri_reg == REG_N)
+ return -EINVAL;
+
+ spin_lock_irqsave(&mux_lock, flags);
+
+ reg = pg_readl(TEGRA_TRI_STATE(pingroups[pg].tri_reg));
+ reg &= ~(0x1 << pingroups[pg].tri_bit);
+ if (tristate)
+ reg |= 1 << pingroups[pg].tri_bit;
+ pg_writel(reg, TEGRA_TRI_STATE(pingroups[pg].tri_reg));
+
+ spin_unlock_irqrestore(&mux_lock, flags);
+
+ return 0;
+}
+
+int tegra_pinmux_set_pullupdown(enum tegra_pingroup pg,
+ enum tegra_pullupdown pupd)
+{
+ unsigned long reg;
+ unsigned long flags;
+
+ if (pg < 0 || pg >= TEGRA_MAX_PINGROUP)
+ return -ERANGE;
+
+ if (pingroups[pg].pupd_reg == REG_N)
+ return -EINVAL;
+
+ if (pupd != TEGRA_PUPD_NORMAL &&
+ pupd != TEGRA_PUPD_PULL_DOWN &&
+ pupd != TEGRA_PUPD_PULL_UP)
+ return -EINVAL;
+
+
+ spin_lock_irqsave(&mux_lock, flags);
+
+ reg = pg_readl(TEGRA_PP_PU_PD(pingroups[pg].pupd_reg));
+ reg &= ~(0x3 << pingroups[pg].pupd_bit);
+ reg |= pupd << pingroups[pg].pupd_bit;
+ pg_writel(reg, TEGRA_PP_PU_PD(pingroups[pg].pupd_reg));
+
+ spin_unlock_irqrestore(&mux_lock, flags);
+
+ return 0;
+}
+
+void tegra_pinmux_config_pingroup(enum tegra_pingroup pingroup,
+ enum tegra_mux_func func,
+ enum tegra_pullupdown pupd,
+ enum tegra_tristate tristate)
+{
+ int err;
+
+ if (pingroups[pingroup].mux_reg != REG_N) {
+ err = tegra_pinmux_set_func(pingroup, func);
+ if (err < 0)
+ pr_err("pinmux: can't set pingroup %s func to %s: %d\n",
+ pingroup_name(pingroup), func_name(func), err);
+ }
+
+ if (pingroups[pingroup].pupd_reg != REG_N) {
+ err = tegra_pinmux_set_pullupdown(pingroup, pupd);
+ if (err < 0)
+ pr_err("pinmux: can't set pingroup %s pullupdown to %s: %d\n",
+ pingroup_name(pingroup), pupd_name(pupd), err);
+ }
+
+ if (pingroups[pingroup].tri_reg != REG_N) {
+ err = tegra_pinmux_set_tristate(pingroup, tristate);
+ if (err < 0)
+ pr_err("pinmux: can't set pingroup %s tristate to %s: %d\n",
+ pingroup_name(pingroup), tri_name(func), err);
+ }
+}
+
+
+
+void tegra_pinmux_config_table(struct tegra_pingroup_config *config, int len)
+{
+ int i;
+
+ for (i = 0; i < len; i++)
+ tegra_pinmux_config_pingroup(config[i].pingroup,
+ config[i].func,
+ config[i].pupd,
+ config[i].tristate);
+}
+
+static const char *drive_pinmux_name(enum tegra_drive_pingroup pg)
+{
+ if (pg < 0 || pg >= TEGRA_MAX_DRIVE_PINGROUP)
+ return "<UNKNOWN>";
+
+ return drive_pingroups[pg].name;
+}
+
+static const char *enable_name(unsigned long val)
+{
+ return val ? "ENABLE" : "DISABLE";
+}
+
+static const char *drive_name(unsigned long val)
+{
+ if (val >= TEGRA_MAX_DRIVE)
+ return "<UNKNOWN>";
+
+ return tegra_drive_names[val];
+}
+
+static const char *slew_name(unsigned long val)
+{
+ if (val >= TEGRA_MAX_SLEW)
+ return "<UNKNOWN>";
+
+ return tegra_slew_names[val];
+}
+
+static int tegra_drive_pinmux_set_hsm(enum tegra_drive_pingroup pg,
+ enum tegra_hsm hsm)
+{
+ unsigned long flags;
+ u32 reg;
+ if (pg < 0 || pg >= TEGRA_MAX_DRIVE_PINGROUP)
+ return -ERANGE;
+
+ if (hsm != TEGRA_HSM_ENABLE && hsm != TEGRA_HSM_DISABLE)
+ return -EINVAL;
+
+ spin_lock_irqsave(&mux_lock, flags);
+
+ reg = pg_readl(drive_pingroups[pg].reg);
+ if (hsm == TEGRA_HSM_ENABLE)
+ reg |= (1 << 2);
+ else
+ reg &= ~(1 << 2);
+ pg_writel(reg, drive_pingroups[pg].reg);
+
+ spin_unlock_irqrestore(&mux_lock, flags);
+
+ return 0;
+}
+
+static int tegra_drive_pinmux_set_schmitt(enum tegra_drive_pingroup pg,
+ enum tegra_schmitt schmitt)
+{
+ unsigned long flags;
+ u32 reg;
+ if (pg < 0 || pg >= TEGRA_MAX_DRIVE_PINGROUP)
+ return -ERANGE;
+
+ if (schmitt != TEGRA_SCHMITT_ENABLE && schmitt != TEGRA_SCHMITT_DISABLE)
+ return -EINVAL;
+
+ spin_lock_irqsave(&mux_lock, flags);
+
+ reg = pg_readl(drive_pingroups[pg].reg);
+ if (schmitt == TEGRA_SCHMITT_ENABLE)
+ reg |= (1 << 3);
+ else
+ reg &= ~(1 << 3);
+ pg_writel(reg, drive_pingroups[pg].reg);
+
+ spin_unlock_irqrestore(&mux_lock, flags);
+
+ return 0;
+}
+
+static int tegra_drive_pinmux_set_drive(enum tegra_drive_pingroup pg,
+ enum tegra_drive drive)
+{
+ unsigned long flags;
+ u32 reg;
+ if (pg < 0 || pg >= TEGRA_MAX_DRIVE_PINGROUP)
+ return -ERANGE;
+
+ if (drive < 0 || drive >= TEGRA_MAX_DRIVE)
+ return -EINVAL;
+
+ spin_lock_irqsave(&mux_lock, flags);
+
+ reg = pg_readl(drive_pingroups[pg].reg);
+ reg &= ~(0x3 << 4);
+ reg |= drive << 4;
+ pg_writel(reg, drive_pingroups[pg].reg);
+
+ spin_unlock_irqrestore(&mux_lock, flags);
+
+ return 0;
+}
+
+static int tegra_drive_pinmux_set_pull_down(enum tegra_drive_pingroup pg,
+ enum tegra_pull_strength pull_down)
+{
+ unsigned long flags;
+ u32 reg;
+ if (pg < 0 || pg >= TEGRA_MAX_DRIVE_PINGROUP)
+ return -ERANGE;
+
+ if (pull_down < 0 || pull_down >= TEGRA_MAX_PULL)
+ return -EINVAL;
+
+ spin_lock_irqsave(&mux_lock, flags);
+
+ reg = pg_readl(drive_pingroups[pg].reg);
+ reg &= ~(0x1f << 12);
+ reg |= pull_down << 12;
+ pg_writel(reg, drive_pingroups[pg].reg);
+
+ spin_unlock_irqrestore(&mux_lock, flags);
+
+ return 0;
+}
+
+static int tegra_drive_pinmux_set_pull_up(enum tegra_drive_pingroup pg,
+ enum tegra_pull_strength pull_up)
+{
+ unsigned long flags;
+ u32 reg;
+ if (pg < 0 || pg >= TEGRA_MAX_DRIVE_PINGROUP)
+ return -ERANGE;
+
+ if (pull_up < 0 || pull_up >= TEGRA_MAX_PULL)
+ return -EINVAL;
+
+ spin_lock_irqsave(&mux_lock, flags);
+
+ reg = pg_readl(drive_pingroups[pg].reg);
+ reg &= ~(0x1f << 12);
+ reg |= pull_up << 12;
+ pg_writel(reg, drive_pingroups[pg].reg);
+
+ spin_unlock_irqrestore(&mux_lock, flags);
+
+ return 0;
+}
+
+static int tegra_drive_pinmux_set_slew_rising(enum tegra_drive_pingroup pg,
+ enum tegra_slew slew_rising)
+{
+ unsigned long flags;
+ u32 reg;
+ if (pg < 0 || pg >= TEGRA_MAX_DRIVE_PINGROUP)
+ return -ERANGE;
+
+ if (slew_rising < 0 || slew_rising >= TEGRA_MAX_SLEW)
+ return -EINVAL;
+
+ spin_lock_irqsave(&mux_lock, flags);
+
+ reg = pg_readl(drive_pingroups[pg].reg);
+ reg &= ~(0x3 << 28);
+ reg |= slew_rising << 28;
+ pg_writel(reg, drive_pingroups[pg].reg);
+
+ spin_unlock_irqrestore(&mux_lock, flags);
+
+ return 0;
+}
+
+static int tegra_drive_pinmux_set_slew_falling(enum tegra_drive_pingroup pg,
+ enum tegra_slew slew_falling)
+{
+ unsigned long flags;
+ u32 reg;
+ if (pg < 0 || pg >= TEGRA_MAX_DRIVE_PINGROUP)
+ return -ERANGE;
+
+ if (slew_falling < 0 || slew_falling >= TEGRA_MAX_SLEW)
+ return -EINVAL;
+
+ spin_lock_irqsave(&mux_lock, flags);
+
+ reg = pg_readl(drive_pingroups[pg].reg);
+ reg &= ~(0x3 << 30);
+ reg |= slew_falling << 30;
+ pg_writel(reg, drive_pingroups[pg].reg);
+
+ spin_unlock_irqrestore(&mux_lock, flags);
+
+ return 0;
+}
+
+static void tegra_drive_pinmux_config_pingroup(enum tegra_drive_pingroup pingroup,
+ enum tegra_hsm hsm,
+ enum tegra_schmitt schmitt,
+ enum tegra_drive drive,
+ enum tegra_pull_strength pull_down,
+ enum tegra_pull_strength pull_up,
+ enum tegra_slew slew_rising,
+ enum tegra_slew slew_falling)
+{
+ int err;
+
+ err = tegra_drive_pinmux_set_hsm(pingroup, hsm);
+ if (err < 0)
+ pr_err("pinmux: can't set pingroup %s hsm to %s: %d\n",
+ drive_pinmux_name(pingroup),
+ enable_name(hsm), err);
+
+ err = tegra_drive_pinmux_set_schmitt(pingroup, schmitt);
+ if (err < 0)
+ pr_err("pinmux: can't set pingroup %s schmitt to %s: %d\n",
+ drive_pinmux_name(pingroup),
+ enable_name(schmitt), err);
+
+ err = tegra_drive_pinmux_set_drive(pingroup, drive);
+ if (err < 0)
+ pr_err("pinmux: can't set pingroup %s drive to %s: %d\n",
+ drive_pinmux_name(pingroup),
+ drive_name(drive), err);
+
+ err = tegra_drive_pinmux_set_pull_down(pingroup, pull_down);
+ if (err < 0)
+ pr_err("pinmux: can't set pingroup %s pull down to %d: %d\n",
+ drive_pinmux_name(pingroup),
+ pull_down, err);
+
+ err = tegra_drive_pinmux_set_pull_up(pingroup, pull_up);
+ if (err < 0)
+ pr_err("pinmux: can't set pingroup %s pull up to %d: %d\n",
+ drive_pinmux_name(pingroup),
+ pull_up, err);
+
+ err = tegra_drive_pinmux_set_slew_rising(pingroup, slew_rising);
+ if (err < 0)
+ pr_err("pinmux: can't set pingroup %s rising slew to %s: %d\n",
+ drive_pinmux_name(pingroup),
+ slew_name(slew_rising), err);
+
+ err = tegra_drive_pinmux_set_slew_falling(pingroup, slew_falling);
+ if (err < 0)
+ pr_err("pinmux: can't set pingroup %s falling slew to %s: %d\n",
+ drive_pinmux_name(pingroup),
+ slew_name(slew_falling), err);
+}
+
+void tegra_drive_pinmux_config_table(struct tegra_drive_pingroup_config *config,
+ int len)
+{
+ int i;
+
+ for (i = 0; i < len; i++)
+ tegra_drive_pinmux_config_pingroup(config[i].pingroup,
+ config[i].hsm,
+ config[i].schmitt,
+ config[i].drive,
+ config[i].pull_down,
+ config[i].pull_up,
+ config[i].slew_rising,
+ config[i].slew_falling);
+}
+
+
+#ifdef CONFIG_DEBUG_FS
+
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
+
+static void dbg_pad_field(struct seq_file *s, int len)
+{
+ seq_putc(s, ',');
+
+ while (len-- > -1)
+ seq_putc(s, ' ');
+}
+
+static int dbg_pinmux_show(struct seq_file *s, void *unused)
+{
+ int i;
+ int len;
+
+ for (i = 0; i < TEGRA_MAX_PINGROUP; i++) {
+ unsigned long tri;
+ unsigned long mux;
+ unsigned long pupd;
+
+ seq_printf(s, "\t{TEGRA_PINGROUP_%s", pingroups[i].name);
+ len = strlen(pingroups[i].name);
+ dbg_pad_field(s, 5 - len);
+
+ if (pingroups[i].mux_reg == REG_N) {
+ seq_printf(s, "TEGRA_MUX_NONE");
+ len = strlen("NONE");
+ } else {
+ mux = (pg_readl(TEGRA_PP_MUX_CTL(pingroups[i].mux_reg)) >>
+ pingroups[i].mux_bit) & 0x3;
+ if (pingroups[i].funcs[mux] == TEGRA_MUX_RSVD) {
+ seq_printf(s, "TEGRA_MUX_RSVD%1lu", mux+1);
+ len = 5;
+ } else {
+ seq_printf(s, "TEGRA_MUX_%s",
+ tegra_mux_names[pingroups[i].funcs[mux]]);
+ len = strlen(tegra_mux_names[pingroups[i].funcs[mux]]);
+ }
+ }
+ dbg_pad_field(s, 13-len);
+
+ if (pingroups[i].mux_reg == REG_N) {
+ seq_printf(s, "TEGRA_PUPD_NORMAL");
+ len = strlen("NORMAL");
+ } else {
+ pupd = (pg_readl(TEGRA_PP_PU_PD(pingroups[i].pupd_reg)) >>
+ pingroups[i].pupd_bit) & 0x3;
+ seq_printf(s, "TEGRA_PUPD_%s", pupd_name(pupd));
+ len = strlen(pupd_name(pupd));
+ }
+ dbg_pad_field(s, 9 - len);
+
+ if (pingroups[i].tri_reg == REG_N) {
+ seq_printf(s, "TEGRA_TRI_NORMAL");
+ } else {
+ tri = (pg_readl(TEGRA_TRI_STATE(pingroups[i].tri_reg)) >>
+ pingroups[i].tri_bit) & 0x1;
+
+ seq_printf(s, "TEGRA_TRI_%s", tri_name(tri));
+ }
+ seq_printf(s, "},\n");
+ }
+ return 0;
+}
+
+static int dbg_pinmux_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, dbg_pinmux_show, &inode->i_private);
+}
+
+static const struct file_operations debug_fops = {
+ .open = dbg_pinmux_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int dbg_drive_pinmux_show(struct seq_file *s, void *unused)
+{
+ int i;
+ int len;
+
+ for (i = 0; i < TEGRA_MAX_DRIVE_PINGROUP; i++) {
+ u32 reg;
+
+ seq_printf(s, "\t{TEGRA_DRIVE_PINGROUP_%s",
+ drive_pingroups[i].name);
+ len = strlen(drive_pingroups[i].name);
+ dbg_pad_field(s, 7 - len);
+
+
+ reg = pg_readl(drive_pingroups[i].reg);
+ if (HSM_EN(reg)) {
+ seq_printf(s, "TEGRA_HSM_ENABLE");
+ len = 16;
+ } else {
+ seq_printf(s, "TEGRA_HSM_DISABLE");
+ len = 17;
+ }
+ dbg_pad_field(s, 17 - len);
+
+ if (SCHMT_EN(reg)) {
+ seq_printf(s, "TEGRA_SCHMITT_ENABLE");
+ len = 21;
+ } else {
+ seq_printf(s, "TEGRA_SCHMITT_DISABLE");
+ len = 22;
+ }
+ dbg_pad_field(s, 22 - len);
+
+ seq_printf(s, "TEGRA_DRIVE_%s", drive_name(LPMD(reg)));
+ len = strlen(drive_name(LPMD(reg)));
+ dbg_pad_field(s, 5 - len);
+
+ seq_printf(s, "TEGRA_PULL_%d", DRVDN(reg));
+ len = DRVDN(reg) < 10 ? 1 : 2;
+ dbg_pad_field(s, 2 - len);
+
+ seq_printf(s, "TEGRA_PULL_%d", DRVUP(reg));
+ len = DRVUP(reg) < 10 ? 1 : 2;
+ dbg_pad_field(s, 2 - len);
+
+ seq_printf(s, "TEGRA_SLEW_%s", slew_name(SLWR(reg)));
+ len = strlen(slew_name(SLWR(reg)));
+ dbg_pad_field(s, 7 - len);
+
+ seq_printf(s, "TEGRA_SLEW_%s", slew_name(SLWF(reg)));
+
+ seq_printf(s, "},\n");
+ }
+ return 0;
+}
+
+static int dbg_drive_pinmux_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, dbg_drive_pinmux_show, &inode->i_private);
+}
+
+static const struct file_operations debug_drive_fops = {
+ .open = dbg_drive_pinmux_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int __init tegra_pinmux_debuginit(void)
+{
+ (void) debugfs_create_file("tegra_pinmux", S_IRUGO,
+ NULL, NULL, &debug_fops);
+ (void) debugfs_create_file("tegra_pinmux_drive", S_IRUGO,
+ NULL, NULL, &debug_drive_fops);
+ return 0;
+}
+late_initcall(tegra_pinmux_debuginit);
+#endif
diff --git a/arch/arm/mach-tegra/platsmp.c b/arch/arm/mach-tegra/platsmp.c
new file mode 100644
index 0000000000000000000000000000000000000000..1c0fd92cab39e44779a3823e89d5248997163a72
--- /dev/null
+++ b/arch/arm/mach-tegra/platsmp.c
@@ -0,0 +1,156 @@
+/*
+ * linux/arch/arm/mach-tegra/platsmp.c
+ *
+ * Copyright (C) 2002 ARM Ltd.
+ * All Rights Reserved
+ *
+ * Copyright (C) 2009 Palm
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/jiffies.h>
+#include <linux/smp.h>
+#include <linux/io.h>
+
+#include <asm/cacheflush.h>
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/localtimer.h>
+#include <asm/smp_scu.h>
+
+#include <mach/iomap.h>
+
+extern void tegra_secondary_startup(void);
+
+static DEFINE_SPINLOCK(boot_lock);
+static void __iomem *scu_base = IO_ADDRESS(TEGRA_ARM_PERIF_BASE);
+
+#define EVP_CPU_RESET_VECTOR \
+ (IO_ADDRESS(TEGRA_EXCEPTION_VECTORS_BASE) + 0x100)
+#define CLK_RST_CONTROLLER_CLK_CPU_CMPLX \
+ (IO_ADDRESS(TEGRA_CLK_RESET_BASE) + 0x4c)
+#define CLK_RST_CONTROLLER_RST_CPU_CMPLX_CLR \
+ (IO_ADDRESS(TEGRA_CLK_RESET_BASE) + 0x344)
+
+void __cpuinit platform_secondary_init(unsigned int cpu)
+{
+ trace_hardirqs_off();
+
+ /*
+ * if any interrupts are already enabled for the primary
+ * core (e.g. timer irq), then they will not have been enabled
+ * for us: do so
+ */
+ gic_cpu_init(0, IO_ADDRESS(TEGRA_ARM_PERIF_BASE) + 0x100);
+
+ /*
+ * Synchronise with the boot thread.
+ */
+ spin_lock(&boot_lock);
+ spin_unlock(&boot_lock);
+}
+
+int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)
+{
+ unsigned long old_boot_vector;
+ unsigned long boot_vector;
+ unsigned long timeout;
+ u32 reg;
+
+ /*
+ * set synchronisation state between this boot processor
+ * and the secondary one
+ */
+ spin_lock(&boot_lock);
+
+
+ /* set the reset vector to point to the secondary_startup routine */
+
+ boot_vector = virt_to_phys(tegra_secondary_startup);
+ old_boot_vector = readl(EVP_CPU_RESET_VECTOR);
+ writel(boot_vector, EVP_CPU_RESET_VECTOR);
+
+ /* enable cpu clock on cpu1 */
+ reg = readl(CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
+ writel(reg & ~(1<<9), CLK_RST_CONTROLLER_CLK_CPU_CMPLX);
+
+ reg = (1<<13) | (1<<9) | (1<<5) | (1<<1);
+ writel(reg, CLK_RST_CONTROLLER_RST_CPU_CMPLX_CLR);
+
+ smp_wmb();
+ flush_cache_all();
+
+ /* unhalt the cpu */
+ writel(0, IO_ADDRESS(TEGRA_FLOW_CTRL_BASE) + 0x14);
+
+ timeout = jiffies + (1 * HZ);
+ while (time_before(jiffies, timeout)) {
+ if (readl(EVP_CPU_RESET_VECTOR) != boot_vector)
+ break;
+ udelay(10);
+ }
+
+ /* put the old boot vector back */
+ writel(old_boot_vector, EVP_CPU_RESET_VECTOR);
+
+ /*
+ * now the secondary core is starting up let it run its
+ * calibrations, then wait for it to finish
+ */
+ spin_unlock(&boot_lock);
+
+ return 0;
+}
+
+/*
+ * Initialise the CPU possible map early - this describes the CPUs
+ * which may be present or become present in the system.
+ */
+void __init smp_init_cpus(void)
+{
+ unsigned int i, ncores = scu_get_core_count(scu_base);
+
+ for (i = 0; i < ncores; i++)
+ cpu_set(i, cpu_possible_map);
+}
+
+void __init smp_prepare_cpus(unsigned int max_cpus)
+{
+ unsigned int ncores = scu_get_core_count(scu_base);
+ unsigned int cpu = smp_processor_id();
+ int i;
+
+ smp_store_cpu_info(cpu);
+
+ /*
+ * are we trying to boot more cores than exist?
+ */
+ if (max_cpus > ncores)
+ max_cpus = ncores;
+
+ /*
+ * Initialise the present map, which describes the set of CPUs
+ * actually populated at the present time.
+ */
+ for (i = 0; i < max_cpus; i++)
+ set_cpu_present(i, true);
+
+ /*
+ * Initialise the SCU if there are more than one CPU and let
+ * them know where to start. Note that, on modern versions of
+ * MILO, the "poke" doesn't actually do anything until each
+ * individual core is sent a soft interrupt to get it out of
+ * WFI
+ */
+ if (max_cpus > 1) {
+ percpu_timer_setup();
+ scu_enable(scu_base);
+ }
+}
diff --git a/arch/arm/mach-tegra/tegra2_clocks.c b/arch/arm/mach-tegra/tegra2_clocks.c
new file mode 100644
index 0000000000000000000000000000000000000000..426163231fff155cdd9c1a9094e33d3ac6fa7217
--- /dev/null
+++ b/arch/arm/mach-tegra/tegra2_clocks.c
@@ -0,0 +1,1359 @@
+/*
+ * arch/arm/mach-tegra/tegra2_clocks.c
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ * Colin Cross <ccross@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/list.h>
+#include <linux/spinlock.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/hrtimer.h>
+
+#include <asm/clkdev.h>
+
+#include <mach/iomap.h>
+
+#include "clock.h"
+
+#define RST_DEVICES 0x004
+#define RST_DEVICES_SET 0x300
+#define RST_DEVICES_CLR 0x304
+
+#define CLK_OUT_ENB 0x010
+#define CLK_OUT_ENB_SET 0x320
+#define CLK_OUT_ENB_CLR 0x324
+
+#define OSC_CTRL 0x50
+#define OSC_CTRL_OSC_FREQ_MASK (3<<30)
+#define OSC_CTRL_OSC_FREQ_13MHZ (0<<30)
+#define OSC_CTRL_OSC_FREQ_19_2MHZ (1<<30)
+#define OSC_CTRL_OSC_FREQ_12MHZ (2<<30)
+#define OSC_CTRL_OSC_FREQ_26MHZ (3<<30)
+
+#define OSC_FREQ_DET 0x58
+#define OSC_FREQ_DET_TRIG (1<<31)
+
+#define OSC_FREQ_DET_STATUS 0x5C
+#define OSC_FREQ_DET_BUSY (1<<31)
+#define OSC_FREQ_DET_CNT_MASK 0xFFFF
+
+#define PERIPH_CLK_SOURCE_MASK (3<<30)
+#define PERIPH_CLK_SOURCE_SHIFT 30
+#define PERIPH_CLK_SOURCE_ENABLE (1<<28)
+#define PERIPH_CLK_SOURCE_DIV_MASK 0xFF
+#define PERIPH_CLK_SOURCE_DIV_SHIFT 0
+
+#define PLL_BASE 0x0
+#define PLL_BASE_BYPASS (1<<31)
+#define PLL_BASE_ENABLE (1<<30)
+#define PLL_BASE_REF_ENABLE (1<<29)
+#define PLL_BASE_OVERRIDE (1<<28)
+#define PLL_BASE_LOCK (1<<27)
+#define PLL_BASE_DIVP_MASK (0x7<<20)
+#define PLL_BASE_DIVP_SHIFT 20
+#define PLL_BASE_DIVN_MASK (0x3FF<<8)
+#define PLL_BASE_DIVN_SHIFT 8
+#define PLL_BASE_DIVM_MASK (0x1F)
+#define PLL_BASE_DIVM_SHIFT 0
+
+#define PLL_OUT_RATIO_MASK (0xFF<<8)
+#define PLL_OUT_RATIO_SHIFT 8
+#define PLL_OUT_OVERRIDE (1<<2)
+#define PLL_OUT_CLKEN (1<<1)
+#define PLL_OUT_RESET_DISABLE (1<<0)
+
+#define PLL_MISC(c) (((c)->flags & PLL_ALT_MISC_REG) ? 0x4 : 0xc)
+#define PLL_MISC_DCCON_SHIFT 20
+#define PLL_MISC_LOCK_ENABLE (1<<18)
+#define PLL_MISC_CPCON_SHIFT 8
+#define PLL_MISC_CPCON_MASK (0xF<<PLL_MISC_CPCON_SHIFT)
+#define PLL_MISC_LFCON_SHIFT 4
+#define PLL_MISC_LFCON_MASK (0xF<<PLL_MISC_LFCON_SHIFT)
+#define PLL_MISC_VCOCON_SHIFT 0
+#define PLL_MISC_VCOCON_MASK (0xF<<PLL_MISC_VCOCON_SHIFT)
+
+#define PLLD_MISC_CLKENABLE (1<<30)
+#define PLLD_MISC_DIV_RST (1<<23)
+#define PLLD_MISC_DCCON_SHIFT 12
+
+#define PERIPH_CLK_TO_ENB_REG(c) ((c->clk_num / 32) * 4)
+#define PERIPH_CLK_TO_ENB_SET_REG(c) ((c->clk_num / 32) * 8)
+#define PERIPH_CLK_TO_ENB_BIT(c) (1 << (c->clk_num % 32))
+
+#define SUPER_CLK_MUX 0x00
+#define SUPER_STATE_SHIFT 28
+#define SUPER_STATE_MASK (0xF << SUPER_STATE_SHIFT)
+#define SUPER_STATE_STANDBY (0x0 << SUPER_STATE_SHIFT)
+#define SUPER_STATE_IDLE (0x1 << SUPER_STATE_SHIFT)
+#define SUPER_STATE_RUN (0x2 << SUPER_STATE_SHIFT)
+#define SUPER_STATE_IRQ (0x3 << SUPER_STATE_SHIFT)
+#define SUPER_STATE_FIQ (0x4 << SUPER_STATE_SHIFT)
+#define SUPER_SOURCE_MASK 0xF
+#define SUPER_FIQ_SOURCE_SHIFT 12
+#define SUPER_IRQ_SOURCE_SHIFT 8
+#define SUPER_RUN_SOURCE_SHIFT 4
+#define SUPER_IDLE_SOURCE_SHIFT 0
+
+#define SUPER_CLK_DIVIDER 0x04
+
+#define BUS_CLK_DISABLE (1<<3)
+#define BUS_CLK_DIV_MASK 0x3
+
+static void __iomem *reg_clk_base = IO_ADDRESS(TEGRA_CLK_RESET_BASE);
+
+#define clk_writel(value, reg) \
+ __raw_writel(value, (u32)reg_clk_base + (reg))
+#define clk_readl(reg) \
+ __raw_readl((u32)reg_clk_base + (reg))
+
+unsigned long clk_measure_input_freq(void)
+{
+ u32 clock_autodetect;
+ clk_writel(OSC_FREQ_DET_TRIG | 1, OSC_FREQ_DET);
+ do {} while (clk_readl(OSC_FREQ_DET_STATUS) & OSC_FREQ_DET_BUSY);
+ clock_autodetect = clk_readl(OSC_FREQ_DET_STATUS);
+ if (clock_autodetect >= 732 - 3 && clock_autodetect <= 732 + 3) {
+ return 12000000;
+ } else if (clock_autodetect >= 794 - 3 && clock_autodetect <= 794 + 3) {
+ return 13000000;
+ } else if (clock_autodetect >= 1172 - 3 && clock_autodetect <= 1172 + 3) {
+ return 19200000;
+ } else if (clock_autodetect >= 1587 - 3 && clock_autodetect <= 1587 + 3) {
+ return 26000000;
+ } else {
+ pr_err("%s: Unexpected clock autodetect value %d", __func__, clock_autodetect);
+ BUG();
+ return 0;
+ }
+}
+
+static int clk_div71_get_divider(struct clk *c, unsigned long rate)
+{
+ unsigned long divider_u71;
+
+ divider_u71 = DIV_ROUND_UP(c->rate * 2, rate);
+
+ if (divider_u71 - 2 > 255 || divider_u71 - 2 < 0)
+ return -EINVAL;
+
+ return divider_u71 - 2;
+}
+
+static unsigned long tegra2_clk_recalculate_rate(struct clk *c)
+{
+ unsigned long rate;
+ rate = c->parent->rate;
+
+ if (c->mul != 0 && c->div != 0)
+ c->rate = rate * c->mul / c->div;
+ else
+ c->rate = rate;
+ return c->rate;
+}
+
+
+/* clk_m functions */
+static unsigned long tegra2_clk_m_autodetect_rate(struct clk *c)
+{
+ u32 auto_clock_control = clk_readl(OSC_CTRL) & ~OSC_CTRL_OSC_FREQ_MASK;
+
+ c->rate = clk_measure_input_freq();
+ switch (c->rate) {
+ case 12000000:
+ auto_clock_control |= OSC_CTRL_OSC_FREQ_12MHZ;
+ break;
+ case 13000000:
+ auto_clock_control |= OSC_CTRL_OSC_FREQ_13MHZ;
+ break;
+ case 19200000:
+ auto_clock_control |= OSC_CTRL_OSC_FREQ_19_2MHZ;
+ break;
+ case 26000000:
+ auto_clock_control |= OSC_CTRL_OSC_FREQ_26MHZ;
+ break;
+ default:
+ pr_err("%s: Unexpected clock rate %ld", __func__, c->rate);
+ BUG();
+ }
+ clk_writel(auto_clock_control, OSC_CTRL);
+ return c->rate;
+}
+
+static void tegra2_clk_m_init(struct clk *c)
+{
+ pr_debug("%s on clock %s\n", __func__, c->name);
+ tegra2_clk_m_autodetect_rate(c);
+}
+
+static int tegra2_clk_m_enable(struct clk *c)
+{
+ pr_debug("%s on clock %s\n", __func__, c->name);
+ return 0;
+}
+
+static void tegra2_clk_m_disable(struct clk *c)
+{
+ pr_debug("%s on clock %s\n", __func__, c->name);
+ BUG();
+}
+
+static struct clk_ops tegra_clk_m_ops = {
+ .init = tegra2_clk_m_init,
+ .enable = tegra2_clk_m_enable,
+ .disable = tegra2_clk_m_disable,
+};
+
+/* super clock functions */
+/* "super clocks" on tegra have two-stage muxes and a clock skipping
+ * super divider. We will ignore the clock skipping divider, since we
+ * can't lower the voltage when using the clock skip, but we can if we
+ * lower the PLL frequency.
+ */
+static void tegra2_super_clk_init(struct clk *c)
+{
+ u32 val;
+ int source;
+ int shift;
+ const struct clk_mux_sel *sel;
+ val = clk_readl(c->reg + SUPER_CLK_MUX);
+ c->state = ON;
+ BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) &&
+ ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE));
+ shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ?
+ SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT;
+ source = (val >> shift) & SUPER_SOURCE_MASK;
+ for (sel = c->inputs; sel->input != NULL; sel++) {
+ if (sel->value == source)
+ break;
+ }
+ BUG_ON(sel->input == NULL);
+ c->parent = sel->input;
+ tegra2_clk_recalculate_rate(c);
+}
+
+static int tegra2_super_clk_enable(struct clk *c)
+{
+ clk_writel(0, c->reg + SUPER_CLK_DIVIDER);
+ return 0;
+}
+
+static void tegra2_super_clk_disable(struct clk *c)
+{
+ pr_debug("%s on clock %s\n", __func__, c->name);
+
+ /* oops - don't disable the CPU clock! */
+ BUG();
+}
+
+static int tegra2_super_clk_set_parent(struct clk *c, struct clk *p)
+{
+ u32 val;
+ const struct clk_mux_sel *sel;
+ int shift;
+ val = clk_readl(c->reg + SUPER_CLK_MUX);;
+ BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) &&
+ ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE));
+ shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ?
+ SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT;
+ for (sel = c->inputs; sel->input != NULL; sel++) {
+ if (sel->input == p) {
+ clk_reparent(c, p);
+ val &= ~(SUPER_SOURCE_MASK << shift);
+ val |= sel->value << shift;
+ clk_writel(val, c->reg);
+ c->rate = c->parent->rate;
+ return 0;
+ }
+ }
+ return -EINVAL;
+}
+
+static struct clk_ops tegra_super_ops = {
+ .init = tegra2_super_clk_init,
+ .enable = tegra2_super_clk_enable,
+ .disable = tegra2_super_clk_disable,
+ .set_parent = tegra2_super_clk_set_parent,
+ .recalculate_rate = tegra2_clk_recalculate_rate,
+};
+
+/* bus clock functions */
+static void tegra2_bus_clk_init(struct clk *c)
+{
+ u32 val = clk_readl(c->reg);
+ c->state = ((val >> c->reg_shift) & BUS_CLK_DISABLE) ? OFF : ON;
+ c->div = ((val >> c->reg_shift) & BUS_CLK_DIV_MASK) + 1;
+ c->mul = 1;
+ tegra2_clk_recalculate_rate(c);
+}
+
+static int tegra2_bus_clk_enable(struct clk *c)
+{
+ u32 val = clk_readl(c->reg);
+ val &= ~(BUS_CLK_DISABLE << c->reg_shift);
+ clk_writel(val, c->reg);
+ return 0;
+}
+
+static void tegra2_bus_clk_disable(struct clk *c)
+{
+ u32 val = clk_readl(c->reg);
+ val |= BUS_CLK_DISABLE << c->reg_shift;
+ clk_writel(val, c->reg);
+}
+
+static int tegra2_bus_clk_set_rate(struct clk *c, unsigned long rate)
+{
+ u32 val = clk_readl(c->reg);
+ unsigned long parent_rate = c->parent->rate;
+ int i;
+ for (i = 1; i <= 4; i++) {
+ if (rate == parent_rate / i) {
+ val &= ~(BUS_CLK_DIV_MASK << c->reg_shift);
+ val |= (i - 1) << c->reg_shift;
+ clk_writel(val, c->reg);
+ c->div = i;
+ c->mul = 1;
+ return 0;
+ }
+ }
+ return -EINVAL;
+}
+
+static struct clk_ops tegra_bus_ops = {
+ .init = tegra2_bus_clk_init,
+ .enable = tegra2_bus_clk_enable,
+ .disable = tegra2_bus_clk_disable,
+ .set_rate = tegra2_bus_clk_set_rate,
+ .recalculate_rate = tegra2_clk_recalculate_rate,
+};
+
+/* PLL Functions */
+static unsigned long tegra2_pll_clk_recalculate_rate(struct clk *c)
+{
+ u64 rate;
+ rate = c->parent->rate;
+ rate *= c->n;
+ do_div(rate, c->m);
+ if (c->p == 2)
+ rate >>= 1;
+ c->rate = rate;
+ return c->rate;
+}
+
+static int tegra2_pll_clk_wait_for_lock(struct clk *c)
+{
+ ktime_t before;
+
+ before = ktime_get();
+ while (!(clk_readl(c->reg + PLL_BASE) & PLL_BASE_LOCK)) {
+ if (ktime_us_delta(ktime_get(), before) > 5000) {
+ pr_err("Timed out waiting for lock bit on pll %s",
+ c->name);
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+static void tegra2_pll_clk_init(struct clk *c)
+{
+ u32 val = clk_readl(c->reg + PLL_BASE);
+
+ c->state = (val & PLL_BASE_ENABLE) ? ON : OFF;
+
+ if (c->flags & PLL_FIXED && !(val & PLL_BASE_OVERRIDE)) {
+ pr_warning("Clock %s has unknown fixed frequency\n", c->name);
+ c->n = 1;
+ c->m = 0;
+ c->p = 1;
+ } else if (val & PLL_BASE_BYPASS) {
+ c->n = 1;
+ c->m = 1;
+ c->p = 1;
+ } else {
+ c->n = (val & PLL_BASE_DIVN_MASK) >> PLL_BASE_DIVN_SHIFT;
+ c->m = (val & PLL_BASE_DIVM_MASK) >> PLL_BASE_DIVM_SHIFT;
+ c->p = (val & PLL_BASE_DIVP_MASK) ? 2 : 1;
+ }
+
+ val = clk_readl(c->reg + PLL_MISC(c));
+ if (c->flags & PLL_HAS_CPCON)
+ c->cpcon = (val & PLL_MISC_CPCON_MASK) >> PLL_MISC_CPCON_SHIFT;
+
+ tegra2_pll_clk_recalculate_rate(c);
+}
+
+static int tegra2_pll_clk_enable(struct clk *c)
+{
+ u32 val;
+ pr_debug("%s on clock %s\n", __func__, c->name);
+
+ val = clk_readl(c->reg + PLL_BASE);
+ val &= ~PLL_BASE_BYPASS;
+ val |= PLL_BASE_ENABLE;
+ clk_writel(val, c->reg + PLL_BASE);
+
+ val = clk_readl(c->reg + PLL_MISC(c));
+ val |= PLL_MISC_LOCK_ENABLE;
+ clk_writel(val, c->reg + PLL_MISC(c));
+
+ tegra2_pll_clk_wait_for_lock(c);
+
+ return 0;
+}
+
+static void tegra2_pll_clk_disable(struct clk *c)
+{
+ u32 val;
+ pr_debug("%s on clock %s\n", __func__, c->name);
+
+ val = clk_readl(c->reg);
+ val &= ~(PLL_BASE_BYPASS | PLL_BASE_ENABLE);
+ clk_writel(val, c->reg);
+}
+
+static int tegra2_pll_clk_set_rate(struct clk *c, unsigned long rate)
+{
+ u32 val;
+ unsigned long input_rate;
+ const struct clk_pll_table *sel;
+
+ pr_debug("%s: %s %lu\n", __func__, c->name, rate);
+ BUG_ON(c->refcnt != 0);
+
+ input_rate = c->parent->rate;
+ for (sel = c->pll_table; sel->input_rate != 0; sel++) {
+ if (sel->input_rate == input_rate && sel->output_rate == rate) {
+ c->n = sel->n;
+ c->m = sel->m;
+ c->p = sel->p;
+ c->cpcon = sel->cpcon;
+
+ val = clk_readl(c->reg + PLL_BASE);
+ if (c->flags & PLL_FIXED)
+ val |= PLL_BASE_OVERRIDE;
+ val &= ~(PLL_BASE_DIVP_MASK | PLL_BASE_DIVN_MASK |
+ PLL_BASE_DIVM_MASK);
+ val |= (c->m << PLL_BASE_DIVM_SHIFT) |
+ (c->n << PLL_BASE_DIVN_SHIFT);
+ BUG_ON(c->p > 2);
+ if (c->p == 2)
+ val |= 1 << PLL_BASE_DIVP_SHIFT;
+ clk_writel(val, c->reg + PLL_BASE);
+
+ if (c->flags & PLL_HAS_CPCON) {
+ val = c->cpcon << PLL_MISC_CPCON_SHIFT;
+ val |= PLL_MISC_LOCK_ENABLE;
+ clk_writel(val, c->reg + PLL_MISC(c));
+ }
+
+ if (c->state == ON)
+ tegra2_pll_clk_enable(c);
+
+ c->rate = rate;
+ return 0;
+ }
+ }
+ return -EINVAL;
+}
+
+static struct clk_ops tegra_pll_ops = {
+ .init = tegra2_pll_clk_init,
+ .enable = tegra2_pll_clk_enable,
+ .disable = tegra2_pll_clk_disable,
+ .set_rate = tegra2_pll_clk_set_rate,
+ .recalculate_rate = tegra2_pll_clk_recalculate_rate,
+};
+
+/* Clock divider ops */
+static void tegra2_pll_div_clk_init(struct clk *c)
+{
+ u32 val = clk_readl(c->reg);
+ u32 divu71;
+ val >>= c->reg_shift;
+ c->state = (val & PLL_OUT_CLKEN) ? ON : OFF;
+ if (!(val & PLL_OUT_RESET_DISABLE))
+ c->state = OFF;
+
+ if (c->flags & DIV_U71) {
+ divu71 = (val & PLL_OUT_RATIO_MASK) >> PLL_OUT_RATIO_SHIFT;
+ c->div = (divu71 + 2);
+ c->mul = 2;
+ } else if (c->flags & DIV_2) {
+ c->div = 2;
+ c->mul = 1;
+ } else {
+ c->div = 1;
+ c->mul = 1;
+ }
+
+ tegra2_clk_recalculate_rate(c);
+}
+
+static int tegra2_pll_div_clk_enable(struct clk *c)
+{
+ u32 val;
+ u32 new_val;
+
+ pr_debug("%s: %s\n", __func__, c->name);
+ if (c->flags & DIV_U71) {
+ val = clk_readl(c->reg);
+ new_val = val >> c->reg_shift;
+ new_val &= 0xFFFF;
+
+ new_val |= PLL_OUT_CLKEN | PLL_OUT_RESET_DISABLE;
+
+ val &= ~(0xFFFF << c->reg_shift);
+ val |= new_val << c->reg_shift;
+ clk_writel(val, c->reg);
+ return 0;
+ } else if (c->flags & DIV_2) {
+ BUG_ON(!(c->flags & PLLD));
+ val = clk_readl(c->reg);
+ val &= ~PLLD_MISC_DIV_RST;
+ clk_writel(val, c->reg);
+ return 0;
+ }
+ return -EINVAL;
+}
+
+static void tegra2_pll_div_clk_disable(struct clk *c)
+{
+ u32 val;
+ u32 new_val;
+
+ pr_debug("%s: %s\n", __func__, c->name);
+ if (c->flags & DIV_U71) {
+ val = clk_readl(c->reg);
+ new_val = val >> c->reg_shift;
+ new_val &= 0xFFFF;
+
+ new_val &= ~(PLL_OUT_CLKEN | PLL_OUT_RESET_DISABLE);
+
+ val &= ~(0xFFFF << c->reg_shift);
+ val |= new_val << c->reg_shift;
+ clk_writel(val, c->reg);
+ } else if (c->flags & DIV_2) {
+ BUG_ON(!(c->flags & PLLD));
+ val = clk_readl(c->reg);
+ val |= PLLD_MISC_DIV_RST;
+ clk_writel(val, c->reg);
+ }
+}
+
+static int tegra2_pll_div_clk_set_rate(struct clk *c, unsigned long rate)
+{
+ u32 val;
+ u32 new_val;
+ int divider_u71;
+ pr_debug("%s: %s %lu\n", __func__, c->name, rate);
+ if (c->flags & DIV_U71) {
+ divider_u71 = clk_div71_get_divider(c->parent, rate);
+ if (divider_u71 >= 0) {
+ val = clk_readl(c->reg);
+ new_val = val >> c->reg_shift;
+ new_val &= 0xFFFF;
+ if (c->flags & DIV_U71_FIXED)
+ new_val |= PLL_OUT_OVERRIDE;
+ new_val &= ~PLL_OUT_RATIO_MASK;
+ new_val |= divider_u71 << PLL_OUT_RATIO_SHIFT;
+
+ val &= ~(0xFFFF << c->reg_shift);
+ val |= new_val << c->reg_shift;
+ clk_writel(val, c->reg);
+ c->div = divider_u71 + 2;
+ c->mul = 2;
+ tegra2_clk_recalculate_rate(c);
+ return 0;
+ }
+ } else if (c->flags & DIV_2) {
+ if (c->parent->rate == rate * 2) {
+ c->rate = rate;
+ return 0;
+ }
+ }
+ return -EINVAL;
+}
+
+
+static struct clk_ops tegra_pll_div_ops = {
+ .init = tegra2_pll_div_clk_init,
+ .enable = tegra2_pll_div_clk_enable,
+ .disable = tegra2_pll_div_clk_disable,
+ .set_rate = tegra2_pll_div_clk_set_rate,
+ .recalculate_rate = tegra2_clk_recalculate_rate,
+};
+
+/* Periph clk ops */
+
+static void tegra2_periph_clk_init(struct clk *c)
+{
+ u32 val = clk_readl(c->reg);
+ const struct clk_mux_sel *mux = 0;
+ const struct clk_mux_sel *sel;
+ if (c->flags & MUX) {
+ for (sel = c->inputs; sel->input != NULL; sel++) {
+ if (val >> PERIPH_CLK_SOURCE_SHIFT == sel->value)
+ mux = sel;
+ }
+ BUG_ON(!mux);
+
+ c->parent = mux->input;
+ } else {
+ c->parent = c->inputs[0].input;
+ }
+
+ if (c->flags & DIV_U71) {
+ u32 divu71 = val & PERIPH_CLK_SOURCE_DIV_MASK;
+ c->div = divu71 + 2;
+ c->mul = 2;
+ } else {
+ c->div = 1;
+ c->mul = 1;
+ }
+
+ c->state = ON;
+ if (!(clk_readl(CLK_OUT_ENB + PERIPH_CLK_TO_ENB_REG(c)) &
+ PERIPH_CLK_TO_ENB_BIT(c)))
+ c->state = OFF;
+ if (!(c->flags & PERIPH_NO_RESET))
+ if (clk_readl(RST_DEVICES + PERIPH_CLK_TO_ENB_REG(c)) &
+ PERIPH_CLK_TO_ENB_BIT(c))
+ c->state = OFF;
+ tegra2_clk_recalculate_rate(c);
+}
+
+static int tegra2_periph_clk_enable(struct clk *c)
+{
+ u32 val;
+ pr_debug("%s on clock %s\n", __func__, c->name);
+
+ clk_writel(PERIPH_CLK_TO_ENB_BIT(c),
+ CLK_OUT_ENB_SET + PERIPH_CLK_TO_ENB_SET_REG(c));
+ if (!(c->flags & PERIPH_NO_RESET) && !(c->flags & PERIPH_MANUAL_RESET))
+ clk_writel(PERIPH_CLK_TO_ENB_BIT(c),
+ RST_DEVICES_CLR + PERIPH_CLK_TO_ENB_SET_REG(c));
+ if (c->flags & PERIPH_EMC_ENB) {
+ /* The EMC peripheral clock has 2 extra enable bits */
+ /* FIXME: Do they need to be disabled? */
+ val = clk_readl(c->reg);
+ val |= 0x3 << 24;
+ clk_writel(val, c->reg);
+ }
+ return 0;
+}
+
+static void tegra2_periph_clk_disable(struct clk *c)
+{
+ pr_debug("%s on clock %s\n", __func__, c->name);
+
+ clk_writel(PERIPH_CLK_TO_ENB_BIT(c),
+ CLK_OUT_ENB_CLR + PERIPH_CLK_TO_ENB_SET_REG(c));
+}
+
+void tegra2_periph_reset_deassert(struct clk *c)
+{
+ pr_debug("%s on clock %s\n", __func__, c->name);
+ if (!(c->flags & PERIPH_NO_RESET))
+ clk_writel(PERIPH_CLK_TO_ENB_BIT(c),
+ RST_DEVICES_CLR + PERIPH_CLK_TO_ENB_SET_REG(c));
+}
+
+void tegra2_periph_reset_assert(struct clk *c)
+{
+ pr_debug("%s on clock %s\n", __func__, c->name);
+ if (!(c->flags & PERIPH_NO_RESET))
+ clk_writel(PERIPH_CLK_TO_ENB_BIT(c),
+ RST_DEVICES_SET + PERIPH_CLK_TO_ENB_SET_REG(c));
+}
+
+
+static int tegra2_periph_clk_set_parent(struct clk *c, struct clk *p)
+{
+ u32 val;
+ const struct clk_mux_sel *sel;
+ pr_debug("%s: %s %s\n", __func__, c->name, p->name);
+ for (sel = c->inputs; sel->input != NULL; sel++) {
+ if (sel->input == p) {
+ clk_reparent(c, p);
+ val = clk_readl(c->reg);
+ val &= ~PERIPH_CLK_SOURCE_MASK;
+ val |= (sel->value) << PERIPH_CLK_SOURCE_SHIFT;
+ clk_writel(val, c->reg);
+ c->rate = c->parent->rate;
+ return 0;
+ }
+ }
+
+ return -EINVAL;
+}
+
+static int tegra2_periph_clk_set_rate(struct clk *c, unsigned long rate)
+{
+ u32 val;
+ int divider_u71;
+ pr_debug("%s: %lu\n", __func__, rate);
+ if (c->flags & DIV_U71) {
+ divider_u71 = clk_div71_get_divider(c->parent, rate);
+ if (divider_u71 >= 0) {
+ val = clk_readl(c->reg);
+ val &= ~PERIPH_CLK_SOURCE_DIV_MASK;
+ val |= divider_u71;
+ clk_writel(val, c->reg);
+ c->div = divider_u71 + 2;
+ c->mul = 2;
+ tegra2_clk_recalculate_rate(c);
+ return 0;
+ }
+ }
+ return -EINVAL;
+}
+
+static struct clk_ops tegra_periph_clk_ops = {
+ .init = &tegra2_periph_clk_init,
+ .enable = &tegra2_periph_clk_enable,
+ .disable = &tegra2_periph_clk_disable,
+ .set_parent = &tegra2_periph_clk_set_parent,
+ .set_rate = &tegra2_periph_clk_set_rate,
+ .recalculate_rate = &tegra2_clk_recalculate_rate,
+};
+
+/* Clock doubler ops */
+static void tegra2_clk_double_init(struct clk *c)
+{
+ c->mul = 2;
+ c->div = 1;
+ c->state = ON;
+ if (!(clk_readl(CLK_OUT_ENB + PERIPH_CLK_TO_ENB_REG(c)) &
+ PERIPH_CLK_TO_ENB_BIT(c)))
+ c->state = OFF;
+ tegra2_clk_recalculate_rate(c);
+};
+
+static struct clk_ops tegra_clk_double_ops = {
+ .init = &tegra2_clk_double_init,
+ .enable = &tegra2_periph_clk_enable,
+ .disable = &tegra2_periph_clk_disable,
+ .recalculate_rate = &tegra2_clk_recalculate_rate,
+};
+
+/* Clock definitions */
+static struct clk tegra_clk_32k = {
+ .name = "clk_32k",
+ .rate = 32678,
+ .ops = NULL,
+};
+
+static struct clk_pll_table tegra_pll_s_table[] = {
+ {32768, 12000000, 366, 1, 1, 0},
+ {32768, 13000000, 397, 1, 1, 0},
+ {32768, 19200000, 586, 1, 1, 0},
+ {32768, 26000000, 793, 1, 1, 0},
+ {0, 0, 0, 0, 0, 0},
+};
+
+static struct clk tegra_pll_s = {
+ .name = "pll_s",
+ .flags = PLL_ALT_MISC_REG,
+ .ops = &tegra_pll_ops,
+ .reg = 0xf0,
+ .input_min = 32768,
+ .input_max = 32768,
+ .parent = &tegra_clk_32k,
+ .cf_min = 0, /* FIXME */
+ .cf_max = 0, /* FIXME */
+ .vco_min = 12000000,
+ .vco_max = 26000000,
+ .pll_table = tegra_pll_s_table,
+};
+
+static struct clk_mux_sel tegra_clk_m_sel[] = {
+ { .input = &tegra_clk_32k, .value = 0},
+ { .input = &tegra_pll_s, .value = 1},
+ { 0, 0},
+};
+static struct clk tegra_clk_m = {
+ .name = "clk_m",
+ .flags = ENABLE_ON_INIT,
+ .ops = &tegra_clk_m_ops,
+ .inputs = tegra_clk_m_sel,
+ .reg = 0x1fc,
+ .reg_mask = (1<<28),
+ .reg_shift = 28,
+};
+
+static struct clk_pll_table tegra_pll_c_table[] = {
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct clk tegra_pll_c = {
+ .name = "pll_c",
+ .flags = PLL_HAS_CPCON,
+ .ops = &tegra_pll_ops,
+ .reg = 0x80,
+ .input_min = 2000000,
+ .input_max = 31000000,
+ .parent = &tegra_clk_m,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 20000000,
+ .vco_max = 1400000000,
+ .pll_table = tegra_pll_c_table,
+};
+
+static struct clk tegra_pll_c_out1 = {
+ .name = "pll_c_out1",
+ .ops = &tegra_pll_div_ops,
+ .flags = DIV_U71,
+ .parent = &tegra_pll_c,
+ .reg = 0x84,
+ .reg_shift = 0,
+};
+
+static struct clk_pll_table tegra_pll_m_table[] = {
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct clk tegra_pll_m = {
+ .name = "pll_m",
+ .flags = PLL_HAS_CPCON,
+ .ops = &tegra_pll_ops,
+ .reg = 0x90,
+ .input_min = 2000000,
+ .input_max = 31000000,
+ .parent = &tegra_clk_m,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 20000000,
+ .vco_max = 1200000000,
+ .pll_table = tegra_pll_m_table,
+};
+
+static struct clk tegra_pll_m_out1 = {
+ .name = "pll_m_out1",
+ .ops = &tegra_pll_div_ops,
+ .flags = DIV_U71,
+ .parent = &tegra_pll_m,
+ .reg = 0x94,
+ .reg_shift = 0,
+};
+
+static struct clk_pll_table tegra_pll_p_table[] = {
+ { 12000000, 216000000, 432, 12, 2, 8},
+ { 13000000, 216000000, 432, 13, 2, 8},
+ { 19200000, 216000000, 90, 4, 2, 1},
+ { 26000000, 216000000, 432, 26, 2, 8},
+ { 12000000, 432000000, 432, 12, 1, 8},
+ { 13000000, 432000000, 432, 13, 1, 8},
+ { 19200000, 432000000, 90, 4, 1, 1},
+ { 26000000, 432000000, 432, 26, 1, 8},
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct clk tegra_pll_p = {
+ .name = "pll_p",
+ .flags = ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON,
+ .ops = &tegra_pll_ops,
+ .reg = 0xa0,
+ .input_min = 2000000,
+ .input_max = 31000000,
+ .parent = &tegra_clk_m,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 20000000,
+ .vco_max = 1400000000,
+ .pll_table = tegra_pll_p_table,
+};
+
+static struct clk tegra_pll_p_out1 = {
+ .name = "pll_p_out1",
+ .ops = &tegra_pll_div_ops,
+ .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED,
+ .parent = &tegra_pll_p,
+ .reg = 0xa4,
+ .reg_shift = 0,
+};
+
+static struct clk tegra_pll_p_out2 = {
+ .name = "pll_p_out2",
+ .ops = &tegra_pll_div_ops,
+ .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED,
+ .parent = &tegra_pll_p,
+ .reg = 0xa4,
+ .reg_shift = 16,
+};
+
+static struct clk tegra_pll_p_out3 = {
+ .name = "pll_p_out3",
+ .ops = &tegra_pll_div_ops,
+ .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED,
+ .parent = &tegra_pll_p,
+ .reg = 0xa8,
+ .reg_shift = 0,
+};
+
+static struct clk tegra_pll_p_out4 = {
+ .name = "pll_p_out4",
+ .ops = &tegra_pll_div_ops,
+ .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED,
+ .parent = &tegra_pll_p,
+ .reg = 0xa8,
+ .reg_shift = 16,
+};
+
+static struct clk_pll_table tegra_pll_a_table[] = {
+ { 28800000, 56448000, 49, 25, 1, 1},
+ { 28800000, 73728000, 64, 25, 1, 1},
+ { 28800000, 11289600, 49, 25, 1, 1},
+ { 28800000, 12288000, 64, 25, 1, 1},
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct clk tegra_pll_a = {
+ .name = "pll_a",
+ .flags = PLL_HAS_CPCON,
+ .ops = &tegra_pll_ops,
+ .reg = 0xb0,
+ .input_min = 2000000,
+ .input_max = 31000000,
+ .parent = &tegra_pll_p_out1,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 20000000,
+ .vco_max = 1400000000,
+ .pll_table = tegra_pll_a_table,
+};
+
+static struct clk tegra_pll_a_out0 = {
+ .name = "pll_a_out0",
+ .ops = &tegra_pll_div_ops,
+ .flags = DIV_U71,
+ .parent = &tegra_pll_a,
+ .reg = 0xb4,
+ .reg_shift = 0,
+};
+
+static struct clk_pll_table tegra_pll_d_table[] = {
+ { 12000000, 1000000000, 1000, 12, 1, 12},
+ { 13000000, 1000000000, 1000, 13, 1, 12},
+ { 19200000, 1000000000, 625, 12, 1, 8},
+ { 26000000, 1000000000, 1000, 26, 1, 12},
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct clk tegra_pll_d = {
+ .name = "pll_d",
+ .flags = PLL_HAS_CPCON | PLLD,
+ .ops = &tegra_pll_ops,
+ .reg = 0xd0,
+ .input_min = 2000000,
+ .input_max = 40000000,
+ .parent = &tegra_clk_m,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 40000000,
+ .vco_max = 1000000000,
+ .pll_table = tegra_pll_d_table,
+};
+
+static struct clk tegra_pll_d_out0 = {
+ .name = "pll_d_out0",
+ .ops = &tegra_pll_div_ops,
+ .flags = DIV_2 | PLLD,
+ .parent = &tegra_pll_d,
+};
+
+static struct clk_pll_table tegra_pll_u_table[] = {
+ { 12000000, 480000000, 960, 12, 1, 0},
+ { 13000000, 480000000, 960, 13, 1, 0},
+ { 19200000, 480000000, 200, 4, 1, 0},
+ { 26000000, 480000000, 960, 26, 1, 0},
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct clk tegra_pll_u = {
+ .name = "pll_u",
+ .flags = 0,
+ .ops = &tegra_pll_ops,
+ .reg = 0xc0,
+ .input_min = 2000000,
+ .input_max = 40000000,
+ .parent = &tegra_clk_m,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 480000000,
+ .vco_max = 960000000,
+ .pll_table = tegra_pll_u_table,
+};
+
+static struct clk_pll_table tegra_pll_x_table[] = {
+ { 12000000, 1000000000, 1000, 12, 1, 12},
+ { 13000000, 1000000000, 1000, 13, 1, 12},
+ { 19200000, 1000000000, 625, 12, 1, 8},
+ { 26000000, 1000000000, 1000, 26, 1, 12},
+ { 12000000, 750000000, 750, 12, 1, 12},
+ { 13000000, 750000000, 750, 13, 1, 12},
+ { 19200000, 750000000, 625, 16, 1, 8},
+ { 26000000, 750000000, 750, 26, 1, 12},
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct clk tegra_pll_x = {
+ .name = "pll_x",
+ .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG,
+ .ops = &tegra_pll_ops,
+ .reg = 0xe0,
+ .input_min = 2000000,
+ .input_max = 31000000,
+ .parent = &tegra_clk_m,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 20000000,
+ .vco_max = 1200000000,
+ .pll_table = tegra_pll_x_table,
+};
+
+static struct clk tegra_clk_d = {
+ .name = "clk_d",
+ .flags = PERIPH_NO_RESET,
+ .ops = &tegra_clk_double_ops,
+ .clk_num = 90,
+ .reg = 0x34,
+ .reg_shift = 12,
+ .parent = &tegra_clk_m,
+};
+
+/* FIXME: need tegra_audio
+static struct clk tegra_clk_audio_2x = {
+ .name = "clk_d",
+ .flags = PERIPH_NO_RESET,
+ .ops = &tegra_clk_double_ops,
+ .clk_num = 89,
+ .reg = 0x34,
+ .reg_shift = 8,
+ .parent = &tegra_audio,
+}
+*/
+
+static struct clk_mux_sel mux_cclk[] = {
+ { .input = &tegra_clk_m, .value = 0},
+ { .input = &tegra_pll_c, .value = 1},
+ { .input = &tegra_clk_32k, .value = 2},
+ { .input = &tegra_pll_m, .value = 3},
+ { .input = &tegra_pll_p, .value = 4},
+ { .input = &tegra_pll_p_out4, .value = 5},
+ { .input = &tegra_pll_p_out3, .value = 6},
+ { .input = &tegra_clk_d, .value = 7},
+ { .input = &tegra_pll_x, .value = 8},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_sclk[] = {
+ { .input = &tegra_clk_m, .value = 0},
+ { .input = &tegra_pll_c_out1, .value = 1},
+ { .input = &tegra_pll_p_out4, .value = 2},
+ { .input = &tegra_pll_p_out3, .value = 3},
+ { .input = &tegra_pll_p_out2, .value = 4},
+ { .input = &tegra_clk_d, .value = 5},
+ { .input = &tegra_clk_32k, .value = 6},
+ { .input = &tegra_pll_m_out1, .value = 7},
+ { 0, 0},
+};
+
+static struct clk tegra_clk_cpu = {
+ .name = "cpu",
+ .inputs = mux_cclk,
+ .reg = 0x20,
+ .ops = &tegra_super_ops,
+};
+
+static struct clk tegra_clk_sys = {
+ .name = "sys",
+ .inputs = mux_sclk,
+ .reg = 0x28,
+ .ops = &tegra_super_ops,
+};
+
+static struct clk tegra_clk_hclk = {
+ .name = "hclk",
+ .flags = DIV_BUS,
+ .parent = &tegra_clk_sys,
+ .reg = 0x30,
+ .reg_shift = 4,
+ .ops = &tegra_bus_ops,
+};
+
+static struct clk tegra_clk_pclk = {
+ .name = "pclk",
+ .flags = DIV_BUS,
+ .parent = &tegra_clk_hclk,
+ .reg = 0x30,
+ .reg_shift = 0,
+ .ops = &tegra_bus_ops,
+};
+
+static struct clk_mux_sel mux_pllm_pllc_pllp_plla[] = {
+ { .input = &tegra_pll_m, .value = 0},
+ { .input = &tegra_pll_c, .value = 1},
+ { .input = &tegra_pll_p, .value = 2},
+ { .input = &tegra_pll_a_out0, .value = 3},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_pllm_pllc_pllp_clkm[] = {
+ { .input = &tegra_pll_m, .value = 0},
+ { .input = &tegra_pll_c, .value = 1},
+ { .input = &tegra_pll_p, .value = 2},
+ { .input = &tegra_clk_m, .value = 3},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_pllp_pllc_pllm_clkm[] = {
+ { .input = &tegra_pll_p, .value = 0},
+ { .input = &tegra_pll_c, .value = 1},
+ { .input = &tegra_pll_m, .value = 2},
+ { .input = &tegra_clk_m, .value = 3},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_plla_audio_pllp_clkm[] = {
+ {.input = &tegra_pll_a, .value = 0},
+ /* FIXME: no mux defined for tegra_audio
+ {.input = &tegra_audio, .value = 1},*/
+ {.input = &tegra_pll_p, .value = 2},
+ {.input = &tegra_clk_m, .value = 3},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_pllp_plld_pllc_clkm[] = {
+ {.input = &tegra_pll_p, .value = 0},
+ {.input = &tegra_pll_d_out0, .value = 1},
+ {.input = &tegra_pll_c, .value = 2},
+ {.input = &tegra_clk_m, .value = 3},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_pllp_pllc_audio_clkm_clk32[] = {
+ {.input = &tegra_pll_p, .value = 0},
+ {.input = &tegra_pll_c, .value = 1},
+ /* FIXME: no mux defined for tegra_audio
+ {.input = &tegra_audio, .value = 2},*/
+ {.input = &tegra_clk_m, .value = 3},
+ {.input = &tegra_clk_32k, .value = 4},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_pllp_pllc_pllm[] = {
+ {.input = &tegra_pll_p, .value = 0},
+ {.input = &tegra_pll_c, .value = 1},
+ {.input = &tegra_pll_m, .value = 2},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_clk_m[] = {
+ { .input = &tegra_clk_m, .value = 0},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_pllp_out3[] = {
+ { .input = &tegra_pll_p_out3, .value = 0},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_plld[] = {
+ { .input = &tegra_pll_d, .value = 0},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_clk_32k[] = {
+ { .input = &tegra_clk_32k, .value = 0},
+ { 0, 0},
+};
+
+#define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, _inputs, _flags) \
+ { \
+ .name = _name, \
+ .lookup = { \
+ .dev_id = _dev, \
+ .con_id = _con, \
+ }, \
+ .ops = &tegra_periph_clk_ops, \
+ .clk_num = _clk_num, \
+ .reg = _reg, \
+ .inputs = _inputs, \
+ .flags = _flags, \
+ }
+
+struct clk tegra_periph_clks[] = {
+ PERIPH_CLK("rtc", "rtc-tegra", NULL, 4, 0, mux_clk_32k, PERIPH_NO_RESET),
+ PERIPH_CLK("timer", "timer", NULL, 5, 0, mux_clk_m, 0),
+ PERIPH_CLK("i2s1", "i2s.0", NULL, 11, 0x100, mux_plla_audio_pllp_clkm, MUX | DIV_U71),
+ PERIPH_CLK("i2s2", "i2s.1", NULL, 18, 0x104, mux_plla_audio_pllp_clkm, MUX | DIV_U71),
+ /* FIXME: spdif has 2 clocks but 1 enable */
+ PERIPH_CLK("spdif_out", "spdif_out", NULL, 10, 0x108, mux_plla_audio_pllp_clkm, MUX | DIV_U71),
+ PERIPH_CLK("spdif_in", "spdif_in", NULL, 10, 0x10c, mux_pllp_pllc_pllm, MUX | DIV_U71),
+ PERIPH_CLK("pwm", "pwm", NULL, 17, 0x110, mux_pllp_pllc_audio_clkm_clk32, MUX | DIV_U71),
+ PERIPH_CLK("spi", "spi", NULL, 43, 0x114, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("xio", "xio", NULL, 45, 0x120, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("twc", "twc", NULL, 16, 0x12c, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("sbc1", "spi_tegra.0", NULL, 41, 0x134, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("sbc2", "spi_tegra.1", NULL, 44, 0x118, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("sbc3", "spi_tegra.2", NULL, 46, 0x11c, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("sbc4", "spi_tegra.3", NULL, 68, 0x1b4, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("ide", "ide", NULL, 25, 0x144, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("ndflash", "tegra_nand", NULL, 13, 0x160, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ /* FIXME: vfir shares an enable with uartb */
+ PERIPH_CLK("vfir", "vfir", NULL, 7, 0x168, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("sdmmc1", "sdhci-tegra.0", NULL, 14, 0x150, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("sdmmc2", "sdhci-tegra.1", NULL, 9, 0x154, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("sdmmc3", "sdhci-tegra.2", NULL, 69, 0x1bc, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("sdmmc4", "sdhci-tegra.3", NULL, 15, 0x160, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("vde", "vde", NULL, 61, 0x1c8, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("csite", "csite", NULL, 73, 0x1d4, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ /* FIXME: what is la? */
+ PERIPH_CLK("la", "la", NULL, 76, 0x1f8, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("owr", "owr", NULL, 71, 0x1cc, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("nor", "nor", NULL, 42, 0x1d0, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("mipi", "mipi", NULL, 50, 0x174, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("i2c1", "tegra-i2c.0", NULL, 12, 0x124, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("i2c2", "tegra-i2c.1", NULL, 54, 0x198, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("i2c3", "tegra-i2c.2", NULL, 67, 0x1b8, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("dvc", "tegra-i2c.3", NULL, 47, 0x128, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("i2c1_i2c", "tegra-i2c.0", "i2c", 0, 0, mux_pllp_out3, 0),
+ PERIPH_CLK("i2c2_i2c", "tegra-i2c.1", "i2c", 0, 0, mux_pllp_out3, 0),
+ PERIPH_CLK("i2c3_i2c", "tegra-i2c.2", "i2c", 0, 0, mux_pllp_out3, 0),
+ PERIPH_CLK("dvc_i2c", "tegra-i2c.3", "i2c", 0, 0, mux_pllp_out3, 0),
+ PERIPH_CLK("uarta", "uart.0", NULL, 6, 0x178, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("uartb", "uart.1", NULL, 7, 0x17c, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("uartc", "uart.2", NULL, 55, 0x1a0, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("uartd", "uart.3", NULL, 65, 0x1c0, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("uarte", "uart.4", NULL, 66, 0x1c4, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("3d", "3d", NULL, 24, 0x158, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_MANUAL_RESET),
+ PERIPH_CLK("2d", "2d", NULL, 21, 0x15c, mux_pllm_pllc_pllp_plla, MUX | DIV_U71),
+ /* FIXME: vi and vi_sensor share an enable */
+ PERIPH_CLK("vi", "vi", NULL, 20, 0x148, mux_pllm_pllc_pllp_plla, MUX | DIV_U71),
+ PERIPH_CLK("vi_sensor", "vi_sensor", NULL, 20, 0x1a8, mux_pllm_pllc_pllp_plla, MUX | DIV_U71),
+ PERIPH_CLK("epp", "epp", NULL, 19, 0x16c, mux_pllm_pllc_pllp_plla, MUX | DIV_U71),
+ PERIPH_CLK("mpe", "mpe", NULL, 60, 0x170, mux_pllm_pllc_pllp_plla, MUX | DIV_U71),
+ PERIPH_CLK("host1x", "host1x", NULL, 28, 0x180, mux_pllm_pllc_pllp_plla, MUX | DIV_U71),
+ /* FIXME: cve and tvo share an enable */
+ PERIPH_CLK("cve", "cve", NULL, 49, 0x140, mux_pllp_plld_pllc_clkm, MUX | DIV_U71),
+ PERIPH_CLK("tvo", "tvo", NULL, 49, 0x188, mux_pllp_plld_pllc_clkm, MUX | DIV_U71),
+ PERIPH_CLK("hdmi", "hdmi", NULL, 51, 0x18c, mux_pllp_plld_pllc_clkm, MUX | DIV_U71),
+ PERIPH_CLK("tvdac", "tvdac", NULL, 53, 0x194, mux_pllp_plld_pllc_clkm, MUX | DIV_U71),
+ PERIPH_CLK("disp1", "tegrafb.0", NULL, 27, 0x138, mux_pllp_plld_pllc_clkm, MUX | DIV_U71),
+ PERIPH_CLK("disp2", "tegrafb.1", NULL, 26, 0x13c, mux_pllp_plld_pllc_clkm, MUX | DIV_U71),
+ PERIPH_CLK("usbd", "fsl-tegra-udc", NULL, 22, 0, mux_clk_m, 0),
+ PERIPH_CLK("usb2", "usb.1", NULL, 58, 0, mux_clk_m, 0),
+ PERIPH_CLK("usb3", "usb.2", NULL, 59, 0, mux_clk_m, 0),
+ PERIPH_CLK("emc", "emc", NULL, 57, 0x19c, mux_pllm_pllc_pllp_clkm, MUX | DIV_U71 | PERIPH_EMC_ENB),
+ PERIPH_CLK("dsi", "dsi", NULL, 48, 0, mux_plld, 0),
+};
+
+#define CLK_DUPLICATE(_name, _dev, _con) \
+ { \
+ .name = _name, \
+ .lookup = { \
+ .dev_id = _dev, \
+ .con_id = _con, \
+ }, \
+ }
+
+/* Some clocks may be used by different drivers depending on the board
+ * configuration. List those here to register them twice in the clock lookup
+ * table under two names.
+ */
+struct clk_duplicate tegra_clk_duplicates[] = {
+ CLK_DUPLICATE("uarta", "tegra_uart.0", NULL),
+ CLK_DUPLICATE("uartb", "tegra_uart.1", NULL),
+ CLK_DUPLICATE("uartc", "tegra_uart.2", NULL),
+ CLK_DUPLICATE("uartd", "tegra_uart.3", NULL),
+ CLK_DUPLICATE("uarte", "tegra_uart.4", NULL),
+};
+
+#define CLK(dev, con, ck) \
+ { \
+ .dev_id = dev, \
+ .con_id = con, \
+ .clk = ck, \
+ }
+
+struct clk_lookup tegra_clk_lookups[] = {
+ /* external root sources */
+ CLK(NULL, "32k_clk", &tegra_clk_32k),
+ CLK(NULL, "pll_s", &tegra_pll_s),
+ CLK(NULL, "clk_m", &tegra_clk_m),
+ CLK(NULL, "pll_m", &tegra_pll_m),
+ CLK(NULL, "pll_m_out1", &tegra_pll_m_out1),
+ CLK(NULL, "pll_c", &tegra_pll_c),
+ CLK(NULL, "pll_c_out1", &tegra_pll_c_out1),
+ CLK(NULL, "pll_p", &tegra_pll_p),
+ CLK(NULL, "pll_p_out1", &tegra_pll_p_out1),
+ CLK(NULL, "pll_p_out2", &tegra_pll_p_out2),
+ CLK(NULL, "pll_p_out3", &tegra_pll_p_out3),
+ CLK(NULL, "pll_p_out4", &tegra_pll_p_out4),
+ CLK(NULL, "pll_a", &tegra_pll_a),
+ CLK(NULL, "pll_a_out0", &tegra_pll_a_out0),
+ CLK(NULL, "pll_d", &tegra_pll_d),
+ CLK(NULL, "pll_d_out0", &tegra_pll_d_out0),
+ CLK(NULL, "pll_u", &tegra_pll_u),
+ CLK(NULL, "pll_x", &tegra_pll_x),
+ CLK(NULL, "cpu", &tegra_clk_cpu),
+ CLK(NULL, "sys", &tegra_clk_sys),
+ CLK(NULL, "hclk", &tegra_clk_hclk),
+ CLK(NULL, "pclk", &tegra_clk_pclk),
+ CLK(NULL, "clk_d", &tegra_clk_d),
+};
+
+void __init tegra2_init_clocks(void)
+{
+ int i;
+ struct clk_lookup *cl;
+ struct clk *c;
+ struct clk_duplicate *cd;
+
+ for (i = 0; i < ARRAY_SIZE(tegra_clk_lookups); i++) {
+ cl = &tegra_clk_lookups[i];
+ clk_init(cl->clk);
+ clkdev_add(cl);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(tegra_periph_clks); i++) {
+ c = &tegra_periph_clks[i];
+ cl = &c->lookup;
+ cl->clk = c;
+
+ clk_init(cl->clk);
+ clkdev_add(cl);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(tegra_clk_duplicates); i++) {
+ cd = &tegra_clk_duplicates[i];
+ c = tegra_get_clock_by_name(cd->name);
+ if (c) {
+ cl = &cd->lookup;
+ cl->clk = c;
+ clkdev_add(cl);
+ } else {
+ pr_err("%s: Unknown duplicate clock %s\n", __func__,
+ cd->name);
+ }
+ }
+}
diff --git a/arch/arm/mach-tegra/timer.c b/arch/arm/mach-tegra/timer.c
new file mode 100644
index 0000000000000000000000000000000000000000..2f420210d4069cbfd299d7413cd527e4540a742b
--- /dev/null
+++ b/arch/arm/mach-tegra/timer.c
@@ -0,0 +1,187 @@
+/*
+ * arch/arch/mach-tegra/timer.c
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ * Colin Cross <ccross@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/time.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/clockchips.h>
+#include <linux/clocksource.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/cnt32_to_63.h>
+
+#include <asm/mach/time.h>
+#include <asm/mach/time.h>
+#include <asm/localtimer.h>
+
+#include <mach/iomap.h>
+#include <mach/irqs.h>
+
+#include "board.h"
+#include "clock.h"
+
+#define TIMERUS_CNTR_1US 0x10
+#define TIMERUS_USEC_CFG 0x14
+#define TIMERUS_CNTR_FREEZE 0x4c
+
+#define TIMER1_BASE 0x0
+#define TIMER2_BASE 0x8
+#define TIMER3_BASE 0x50
+#define TIMER4_BASE 0x58
+
+#define TIMER_PTV 0x0
+#define TIMER_PCR 0x4
+
+struct tegra_timer;
+
+static void __iomem *timer_reg_base = IO_ADDRESS(TEGRA_TMR1_BASE);
+
+#define timer_writel(value, reg) \
+ __raw_writel(value, (u32)timer_reg_base + (reg))
+#define timer_readl(reg) \
+ __raw_readl((u32)timer_reg_base + (reg))
+
+static int tegra_timer_set_next_event(unsigned long cycles,
+ struct clock_event_device *evt)
+{
+ u32 reg;
+
+ reg = 0x80000000 | ((cycles > 1) ? (cycles-1) : 0);
+ timer_writel(reg, TIMER3_BASE + TIMER_PTV);
+
+ return 0;
+}
+
+static void tegra_timer_set_mode(enum clock_event_mode mode,
+ struct clock_event_device *evt)
+{
+ u32 reg;
+
+ timer_writel(0, TIMER3_BASE + TIMER_PTV);
+
+ switch (mode) {
+ case CLOCK_EVT_MODE_PERIODIC:
+ reg = 0xC0000000 | ((1000000/HZ)-1);
+ timer_writel(reg, TIMER3_BASE + TIMER_PTV);
+ break;
+ case CLOCK_EVT_MODE_ONESHOT:
+ break;
+ case CLOCK_EVT_MODE_UNUSED:
+ case CLOCK_EVT_MODE_SHUTDOWN:
+ case CLOCK_EVT_MODE_RESUME:
+ break;
+ }
+}
+
+static cycle_t tegra_clocksource_read(struct clocksource *cs)
+{
+ return cnt32_to_63(timer_readl(TIMERUS_CNTR_1US));
+}
+
+static struct clock_event_device tegra_clockevent = {
+ .name = "timer0",
+ .rating = 300,
+ .features = CLOCK_EVT_FEAT_ONESHOT | CLOCK_EVT_FEAT_PERIODIC,
+ .set_next_event = tegra_timer_set_next_event,
+ .set_mode = tegra_timer_set_mode,
+};
+
+static struct clocksource tegra_clocksource = {
+ .name = "timer_us",
+ .rating = 300,
+ .read = tegra_clocksource_read,
+ .mask = 0x7FFFFFFFFFFFFFFFULL,
+ .flags = CLOCK_SOURCE_IS_CONTINUOUS,
+};
+
+unsigned long long sched_clock(void)
+{
+ return clocksource_cyc2ns(tegra_clocksource.read(&tegra_clocksource),
+ tegra_clocksource.mult, tegra_clocksource.shift);
+}
+
+static irqreturn_t tegra_timer_interrupt(int irq, void *dev_id)
+{
+ struct clock_event_device *evt = (struct clock_event_device *)dev_id;
+ timer_writel(1<<30, TIMER3_BASE + TIMER_PCR);
+ evt->event_handler(evt);
+ return IRQ_HANDLED;
+}
+
+static struct irqaction tegra_timer_irq = {
+ .name = "timer0",
+ .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_TRIGGER_HIGH,
+ .handler = tegra_timer_interrupt,
+ .dev_id = &tegra_clockevent,
+ .irq = INT_TMR3,
+};
+
+static void __init tegra_init_timer(void)
+{
+ unsigned long rate = clk_measure_input_freq();
+ int ret;
+
+#ifdef CONFIG_HAVE_ARM_TWD
+ twd_base = IO_ADDRESS(TEGRA_ARM_PERIF_BASE + 0x600);
+#endif
+
+ switch (rate) {
+ case 12000000:
+ timer_writel(0x000b, TIMERUS_USEC_CFG);
+ break;
+ case 13000000:
+ timer_writel(0x000c, TIMERUS_USEC_CFG);
+ break;
+ case 19200000:
+ timer_writel(0x045f, TIMERUS_USEC_CFG);
+ break;
+ case 26000000:
+ timer_writel(0x0019, TIMERUS_USEC_CFG);
+ break;
+ default:
+ WARN(1, "Unknown clock rate");
+ }
+
+ if (clocksource_register_hz(&tegra_clocksource, 1000000)) {
+ printk(KERN_ERR "Failed to register clocksource\n");
+ BUG();
+ }
+
+ ret = setup_irq(tegra_timer_irq.irq, &tegra_timer_irq);
+ if (ret) {
+ printk(KERN_ERR "Failed to register timer IRQ: %d\n", ret);
+ BUG();
+ }
+
+ clockevents_calc_mult_shift(&tegra_clockevent, 1000000, 5);
+ tegra_clockevent.max_delta_ns =
+ clockevent_delta2ns(0x1fffffff, &tegra_clockevent);
+ tegra_clockevent.min_delta_ns =
+ clockevent_delta2ns(0x1, &tegra_clockevent);
+ tegra_clockevent.cpumask = cpu_all_mask;
+ tegra_clockevent.irq = tegra_timer_irq.irq;
+ clockevents_register_device(&tegra_clockevent);
+
+ return;
+}
+
+struct sys_timer tegra_timer = {
+ .init = tegra_init_timer,
+};
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index 87ec141fcaa6e5ad0d5d7eef0e1a8249ac2bdcc3..e1fd98fff8fac03c58282841191b8e7cff03e807 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -771,7 +771,8 @@ config CACHE_L2X0
bool "Enable the L2x0 outer cache controller"
depends on REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP || MACH_REALVIEW_PB1176 || \
REALVIEW_EB_A9MP || ARCH_MX35 || ARCH_MX31 || MACH_REALVIEW_PBX || \
- ARCH_NOMADIK || ARCH_OMAP4 || ARCH_U8500 || ARCH_VEXPRESS_CA9X4
+ ARCH_NOMADIK || ARCH_OMAP4 || ARCH_U8500 || ARCH_VEXPRESS_CA9X4 || \
+ ARCH_TEGRA
default y
select OUTER_CACHE
select OUTER_CACHE_SYNC