提交 7b9dd471 编写于 作者: R Russell King

Merge branch 'restart' into for-linus

Conflicts:
	arch/arm/mach-exynos/cpu.c

The changes to arch/arm/mach-exynos/cpu.c were moved to
mach-exynos/common.c.
......@@ -1124,13 +1124,6 @@ S: Supported
F: arch/arm/mach-shmobile/
F: drivers/sh/
ARM/TELECHIPS ARM ARCHITECTURE
M: "Hans J. Koch" <hjk@hansjkoch.de>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
F: arch/arm/plat-tcc/
F: arch/arm/mach-tcc8k/
ARM/TECHNOLOGIC SYSTEMS TS7250 MACHINE SUPPORT
M: Lennert Buytenhek <kernel@wantstofly.org>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
......
......@@ -877,16 +877,6 @@ config ARCH_SHARK
Support for the StrongARM based Digital DNARD machine, also known
as "Shark" (<http://www.shark-linux.de/shark.html>).
config ARCH_TCC_926
bool "Telechips TCC ARM926-based systems"
select CLKSRC_MMIO
select CPU_ARM926T
select HAVE_CLK
select CLKDEV_LOOKUP
select GENERIC_CLOCKEVENTS
help
Support for Telechips TCC ARM926-based systems.
config ARCH_U300
bool "ST-Ericsson U300 Series"
depends on MMU
......@@ -1073,8 +1063,6 @@ source "arch/arm/plat-s5p/Kconfig"
source "arch/arm/plat-spear/Kconfig"
source "arch/arm/plat-tcc/Kconfig"
if ARCH_S3C2410
source "arch/arm/mach-s3c2410/Kconfig"
source "arch/arm/mach-s3c2412/Kconfig"
......
......@@ -184,7 +184,6 @@ machine-$(CONFIG_ARCH_EXYNOS4) := exynos
machine-$(CONFIG_ARCH_SA1100) := sa1100
machine-$(CONFIG_ARCH_SHARK) := shark
machine-$(CONFIG_ARCH_SHMOBILE) := shmobile
machine-$(CONFIG_ARCH_TCC8K) := tcc8k
machine-$(CONFIG_ARCH_TEGRA) := tegra
machine-$(CONFIG_ARCH_U300) := u300
machine-$(CONFIG_ARCH_U8500) := ux500
......@@ -204,7 +203,6 @@ machine-$(CONFIG_ARCH_ZYNQ) := zynq
plat-$(CONFIG_ARCH_MXC) := mxc
plat-$(CONFIG_ARCH_OMAP) := omap
plat-$(CONFIG_ARCH_S3C64XX) := samsung
plat-$(CONFIG_ARCH_TCC_926) := tcc
plat-$(CONFIG_ARCH_ZYNQ) := versatile
plat-$(CONFIG_PLAT_IOP) := iop
plat-$(CONFIG_PLAT_NOMADIK) := nomadik
......
......@@ -234,6 +234,7 @@ extern int iop3xx_get_init_atu(void);
void iop3xx_map_io(void);
void iop_init_cp6_handler(void);
void iop_init_time(unsigned long tickrate);
void iop3xx_restart(char, const char *);
static inline u32 read_tmr0(void)
{
......
......@@ -108,7 +108,6 @@ extern void __show_regs(struct pt_regs *);
extern int __pure cpu_architecture(void);
extern void cpu_init(void);
void arm_machine_restart(char mode, const char *cmd);
void soft_restart(unsigned long);
extern void (*arm_pm_restart)(char str, const char *cmd);
......
......@@ -147,14 +147,8 @@ void soft_restart(unsigned long addr)
BUG();
}
void arm_machine_restart(char mode, const char *cmd)
static void null_restart(char mode, const char *cmd)
{
/* Disable interrupts first */
local_irq_disable();
local_fiq_disable();
/* Call the architecture specific reboot code. */
arch_reset(mode, cmd);
}
/*
......@@ -163,7 +157,7 @@ void arm_machine_restart(char mode, const char *cmd)
void (*pm_power_off)(void);
EXPORT_SYMBOL(pm_power_off);
void (*arm_pm_restart)(char str, const char *cmd) = arm_machine_restart;
void (*arm_pm_restart)(char str, const char *cmd) = null_restart;
EXPORT_SYMBOL_GPL(arm_pm_restart);
static void do_nothing(void *unused)
......
......@@ -313,7 +313,7 @@ static struct at91_gpio_bank at91cap9_gpio[] = {
}
};
static void at91cap9_reset(void)
static void at91cap9_restart(char mode, const char *cmd)
{
at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST);
}
......@@ -335,7 +335,7 @@ static void __init at91cap9_map_io(void)
static void __init at91cap9_initialize(void)
{
at91_arch_reset = at91cap9_reset;
arm_pm_restart = at91cap9_restart;
pm_power_off = at91cap9_poweroff;
at91_extern_irq = (1 << AT91CAP9_ID_IRQ0) | (1 << AT91CAP9_ID_IRQ1);
......
......@@ -288,7 +288,7 @@ static struct at91_gpio_bank at91rm9200_gpio[] = {
}
};
static void at91rm9200_reset(void)
static void at91rm9200_restart(char mode, const char *cmd)
{
/*
* Perform a hardware reset with the use of the Watchdog timer.
......@@ -309,7 +309,7 @@ static void __init at91rm9200_map_io(void)
static void __init at91rm9200_initialize(void)
{
at91_arch_reset = at91rm9200_reset;
arm_pm_restart = at91rm9200_restart;
at91_extern_irq = (1 << AT91RM9200_ID_IRQ0) | (1 << AT91RM9200_ID_IRQ1)
| (1 << AT91RM9200_ID_IRQ2) | (1 << AT91RM9200_ID_IRQ3)
| (1 << AT91RM9200_ID_IRQ4) | (1 << AT91RM9200_ID_IRQ5)
......
......@@ -327,7 +327,7 @@ static void __init at91sam9260_map_io(void)
static void __init at91sam9260_initialize(void)
{
at91_arch_reset = at91sam9_alt_reset;
arm_pm_restart = at91sam9_alt_restart;
pm_power_off = at91sam9260_poweroff;
at91_extern_irq = (1 << AT91SAM9260_ID_IRQ0) | (1 << AT91SAM9260_ID_IRQ1)
| (1 << AT91SAM9260_ID_IRQ2);
......
......@@ -287,7 +287,7 @@ static void __init at91sam9261_map_io(void)
static void __init at91sam9261_initialize(void)
{
at91_arch_reset = at91sam9_alt_reset;
arm_pm_restart = at91sam9_alt_restart;
pm_power_off = at91sam9261_poweroff;
at91_extern_irq = (1 << AT91SAM9261_ID_IRQ0) | (1 << AT91SAM9261_ID_IRQ1)
| (1 << AT91SAM9261_ID_IRQ2);
......
......@@ -305,7 +305,7 @@ static void __init at91sam9263_map_io(void)
static void __init at91sam9263_initialize(void)
{
at91_arch_reset = at91sam9_alt_reset;
arm_pm_restart = at91sam9_alt_restart;
pm_power_off = at91sam9263_poweroff;
at91_extern_irq = (1 << AT91SAM9263_ID_IRQ0) | (1 << AT91SAM9263_ID_IRQ1);
......
......@@ -14,20 +14,15 @@
*/
#include <linux/linkage.h>
#include <asm/system.h>
#include <mach/hardware.h>
#include <mach/at91sam9_sdramc.h>
#include <mach/at91_rstc.h>
.arm
.globl at91sam9_alt_reset
.globl at91sam9_alt_restart
at91sam9_alt_reset: mrc p15, 0, r0, c1, c0, 0
orr r0, r0, #CR_I
mcr p15, 0, r0, c1, c0, 0 @ enable I-cache
ldr r0, .at91_va_base_sdramc @ preload constants
at91sam9_alt_restart: ldr r0, .at91_va_base_sdramc @ preload constants
ldr r1, .at91_va_base_rstc_cr
mov r2, #1
......
......@@ -317,7 +317,7 @@ static struct at91_gpio_bank at91sam9g45_gpio[] = {
}
};
static void at91sam9g45_reset(void)
static void at91sam9g45_restart(char mode, const char *cmd)
{
at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST);
}
......@@ -340,7 +340,7 @@ static void __init at91sam9g45_map_io(void)
static void __init at91sam9g45_initialize(void)
{
at91_arch_reset = at91sam9g45_reset;
arm_pm_restart = at91sam9g45_restart;
pm_power_off = at91sam9g45_poweroff;
at91_extern_irq = (1 << AT91SAM9G45_ID_IRQ0);
......
......@@ -292,7 +292,7 @@ static void __init at91sam9rl_map_io(void)
static void __init at91sam9rl_initialize(void)
{
at91_arch_reset = at91sam9_alt_reset;
arm_pm_restart = at91sam9_alt_restart;
pm_power_off = at91sam9rl_poweroff;
at91_extern_irq = (1 << AT91SAM9RL_ID_IRQ0);
......
......@@ -57,7 +57,7 @@ extern void at91_irq_suspend(void);
extern void at91_irq_resume(void);
/* reset */
extern void at91sam9_alt_reset(void);
extern void at91sam9_alt_restart(char, const char *);
/* GPIO */
#define AT91RM9200_PQFP 3 /* AT91RM9200 PQFP package has 3 banks */
......@@ -71,5 +71,4 @@ struct at91_gpio_bank {
extern void __init at91_gpio_init(struct at91_gpio_bank *, int nr_banks);
extern void __init at91_gpio_irq_setup(void);
extern void (*at91_arch_reset)(void);
extern int at91_extern_irq;
......@@ -47,13 +47,4 @@ static inline void arch_idle(void)
#endif
}
void (*at91_arch_reset)(void);
static inline void arch_reset(char mode, const char *cmd)
{
/* call the CPU-specific reset function */
if (at91_arch_reset)
(at91_arch_reset)();
}
#endif
......@@ -49,7 +49,29 @@ HW_DECLARE_SPINLOCK(gpio)
#endif
/* sysctl */
int bcmring_arch_warm_reboot; /* do a warm reboot on hard reset */
static int bcmring_arch_warm_reboot; /* do a warm reboot on hard reset */
static void bcmring_restart(char mode, const char *cmd)
{
printk("arch_reset:%c %x\n", mode, bcmring_arch_warm_reboot);
if (mode == 'h') {
/* Reboot configured in proc entry */
if (bcmring_arch_warm_reboot) {
printk("warm reset\n");
/* Issue Warm reset (do not reset ethernet switch, keep alive) */
chipcHw_reset(chipcHw_REG_SOFT_RESET_CHIP_WARM);
} else {
/* Force reset of everything */
printk("force reset\n");
chipcHw_reset(chipcHw_REG_SOFT_RESET_CHIP_SOFT);
}
} else {
/* Force reset of everything */
printk("force reset\n");
chipcHw_reset(chipcHw_REG_SOFT_RESET_CHIP_SOFT);
}
}
static struct ctl_table_header *bcmring_sysctl_header;
......@@ -173,4 +195,5 @@ MACHINE_START(BCMRING, "BCMRING")
.init_irq = bcmring_init_irq,
.timer = &bcmring_timer,
.init_machine = bcmring_init_machine
.restart = bcmring_restart,
MACHINE_END
......@@ -20,35 +20,9 @@
#ifndef __ASM_ARCH_SYSTEM_H
#define __ASM_ARCH_SYSTEM_H
#include <mach/csp/chipcHw_inline.h>
extern int bcmring_arch_warm_reboot;
static inline void arch_idle(void)
{
cpu_do_idle();
}
static inline void arch_reset(char mode, const char *cmd)
{
printk("arch_reset:%c %x\n", mode, bcmring_arch_warm_reboot);
if (mode == 'h') {
/* Reboot configured in proc entry */
if (bcmring_arch_warm_reboot) {
printk("warm reset\n");
/* Issue Warm reset (do not reset ethernet switch, keep alive) */
chipcHw_reset(chipcHw_REG_SOFT_RESET_CHIP_WARM);
} else {
/* Force reset of everything */
printk("force reset\n");
chipcHw_reset(chipcHw_REG_SOFT_RESET_CHIP_SOFT);
}
} else {
/* Force reset of everything */
printk("force reset\n");
chipcHw_reset(chipcHw_REG_SOFT_RESET_CHIP_SOFT);
}
}
#endif
......@@ -68,5 +68,6 @@ MACHINE_START(AUTCPU12, "autronix autcpu12")
.map_io = autcpu12_map_io,
.init_irq = clps711x_init_irq,
.timer = &clps711x_timer,
.restart = clps711x_restart,
MACHINE_END
......@@ -59,4 +59,5 @@ MACHINE_START(CDB89712, "Cirrus-CDB89712")
.map_io = cdb89712_map_io,
.init_irq = clps711x_init_irq,
.timer = &clps711x_timer,
.restart = clps711x_restart,
MACHINE_END
......@@ -60,4 +60,5 @@ MACHINE_START(CEIVA, "CEIVA/Polaroid Photo MAX Digital Picture Frame")
.map_io = ceiva_map_io,
.init_irq = clps711x_init_irq,
.timer = &clps711x_timer,
.restart = clps711x_restart,
MACHINE_END
......@@ -41,5 +41,6 @@ MACHINE_START(CLEP7212, "Cirrus Logic 7212/7312")
.map_io = clps711x_map_io,
.init_irq = clps711x_init_irq,
.timer = &clps711x_timer,
.restart = clps711x_restart,
MACHINE_END
......@@ -220,3 +220,8 @@ struct sys_timer clps711x_timer = {
.init = clps711x_timer_init,
.offset = clps711x_gettimeoffset,
};
void clps711x_restart(char mode, const char *cmd)
{
soft_restart(0);
}
......@@ -9,3 +9,4 @@ struct sys_timer;
extern void clps711x_map_io(void);
extern void clps711x_init_irq(void);
extern struct sys_timer clps711x_timer;
extern void clps711x_restart(char mode, const char *cmd);
......@@ -62,4 +62,5 @@ MACHINE_START(EDB7211, "CL-EDB7211 (EP7211 eval board)")
.reserve = edb7211_reserve,
.init_irq = clps711x_init_irq,
.timer = &clps711x_timer,
.restart = clps711x_restart,
MACHINE_END
......@@ -78,4 +78,5 @@ MACHINE_START(FORTUNET, "ARM-FortuNet")
.map_io = clps711x_map_io,
.init_irq = clps711x_init_irq,
.timer = &clps711x_timer,
.restart = clps711x_restart,
MACHINE_END
......@@ -32,9 +32,4 @@ static inline void arch_idle(void)
mov r0, r0");
}
static inline void arch_reset(char mode, const char *cmd)
{
soft_restart(0);
}
#endif
......@@ -93,6 +93,7 @@ MACHINE_START(P720T, "ARM-Prospector720T")
.map_io = p720t_map_io,
.init_irq = clps711x_init_irq,
.timer = &clps711x_timer,
.restart = clps711x_restart,
MACHINE_END
static int p720t_hw_init(void)
......
......@@ -204,4 +204,5 @@ MACHINE_START(CNS3420VB, "Cavium Networks CNS3420 Validation Board")
.timer = &cns3xxx_timer,
.handle_irq = gic_handle_irq,
.init_machine = cns3420_init,
.restart = cns3xxx_restart,
MACHINE_END
......@@ -22,5 +22,6 @@ static inline void cns3xxx_l2x0_init(void) {}
void __init cns3xxx_map_io(void);
void __init cns3xxx_init_irq(void);
void cns3xxx_power_off(void);
void cns3xxx_restart(char, const char *);
#endif /* __CNS3XXX_CORE_H */
......@@ -11,7 +11,6 @@
#ifndef __MACH_SYSTEM_H
#define __MACH_SYSTEM_H
#include <linux/io.h>
#include <asm/proc-fns.h>
static inline void arch_idle(void)
......@@ -23,6 +22,4 @@ static inline void arch_idle(void)
cpu_do_idle();
}
void arch_reset(char mode, const char *cmd);
#endif
......@@ -11,9 +11,9 @@
#include <linux/io.h>
#include <linux/delay.h>
#include <linux/atomic.h>
#include <mach/system.h>
#include <mach/cns3xxx.h>
#include <mach/pm.h>
#include "core.h"
void cns3xxx_pwr_clk_en(unsigned int block)
{
......@@ -89,7 +89,7 @@ void cns3xxx_pwr_soft_rst(unsigned int block)
}
EXPORT_SYMBOL(cns3xxx_pwr_soft_rst);
void arch_reset(char mode, const char *cmd)
void cns3xxx_restart(char mode, const char *cmd)
{
/*
* To reset, we hit the on-board reset register
......
......@@ -682,4 +682,5 @@ MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP-L137/AM17x EVM")
.timer = &davinci_timer,
.init_machine = da830_evm_init,
.dma_zone_size = SZ_128M,
.restart = da8xx_restart,
MACHINE_END
......@@ -1411,4 +1411,5 @@ MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138/AM18x EVM")
.timer = &davinci_timer,
.init_machine = da850_evm_init,
.dma_zone_size = SZ_128M,
.restart = da8xx_restart,
MACHINE_END
......@@ -357,4 +357,5 @@ MACHINE_START(DAVINCI_DM355_EVM, "DaVinci DM355 EVM")
.timer = &davinci_timer,
.init_machine = dm355_evm_init,
.dma_zone_size = SZ_128M,
.restart = davinci_restart,
MACHINE_END
......@@ -276,4 +276,5 @@ MACHINE_START(DM355_LEOPARD, "DaVinci DM355 leopard")
.timer = &davinci_timer,
.init_machine = dm355_leopard_init,
.dma_zone_size = SZ_128M,
.restart = davinci_restart,
MACHINE_END
......@@ -618,5 +618,6 @@ MACHINE_START(DAVINCI_DM365_EVM, "DaVinci DM365 EVM")
.timer = &davinci_timer,
.init_machine = dm365_evm_init,
.dma_zone_size = SZ_128M,
.restart = davinci_restart,
MACHINE_END
......@@ -719,4 +719,5 @@ MACHINE_START(DAVINCI_EVM, "DaVinci DM644x EVM")
.timer = &davinci_timer,
.init_machine = davinci_evm_init,
.dma_zone_size = SZ_128M,
.restart = davinci_restart,
MACHINE_END
......@@ -799,6 +799,7 @@ MACHINE_START(DAVINCI_DM6467_EVM, "DaVinci DM646x EVM")
.timer = &davinci_timer,
.init_machine = evm_init,
.dma_zone_size = SZ_128M,
.restart = davinci_restart,
MACHINE_END
MACHINE_START(DAVINCI_DM6467TEVM, "DaVinci DM6467T EVM")
......@@ -808,5 +809,6 @@ MACHINE_START(DAVINCI_DM6467TEVM, "DaVinci DM6467T EVM")
.timer = &davinci_timer,
.init_machine = evm_init,
.dma_zone_size = SZ_128M,
.restart = davinci_restart,
MACHINE_END
......@@ -573,4 +573,5 @@ MACHINE_START(MITYOMAPL138, "MityDSP-L138/MityARM-1808")
.timer = &davinci_timer,
.init_machine = mityomapl138_init,
.dma_zone_size = SZ_128M,
.restart = da8xx_restart,
MACHINE_END
......@@ -278,4 +278,5 @@ MACHINE_START(NEUROS_OSD2, "Neuros OSD2")
.timer = &davinci_timer,
.init_machine = davinci_ntosd2_init,
.dma_zone_size = SZ_128M,
.restart = davinci_restart,
MACHINE_END
......@@ -344,4 +344,5 @@ MACHINE_START(OMAPL138_HAWKBOARD, "AM18x/OMAP-L138 Hawkboard")
.timer = &davinci_timer,
.init_machine = omapl138_hawk_init,
.dma_zone_size = SZ_128M,
.restart = da8xx_restart,
MACHINE_END
......@@ -157,4 +157,5 @@ MACHINE_START(SFFSDR, "Lyrtech SFFSDR")
.timer = &davinci_timer,
.init_machine = davinci_sffsdr_init,
.dma_zone_size = SZ_128M,
.restart = davinci_restart,
MACHINE_END
......@@ -283,4 +283,5 @@ MACHINE_START(TNETV107X, "TNETV107X EVM")
.timer = &davinci_timer,
.init_machine = tnetv107x_evm_board_init,
.dma_zone_size = SZ_128M,
.restart = tnetv107x_restart,
MACHINE_END
......@@ -97,9 +97,6 @@ void __init davinci_common_init(struct davinci_soc_info *soc_info)
local_flush_tlb_all();
flush_cache_all();
if (!davinci_soc_info.reset)
davinci_soc_info.reset = davinci_watchdog_reset;
/*
* We want to check CPU revision early for cpu_is_xxxx() macros.
* IO space mapping must be initialized before we can do that.
......
......@@ -1201,7 +1201,6 @@ static struct davinci_soc_info davinci_soc_info_da830 = {
.gpio_irq = IRQ_DA8XX_GPIO0,
.serial_dev = &da8xx_serial_device,
.emac_pdata = &da8xx_emac_pdata,
.reset_device = &da8xx_wdt_device,
};
void __init da830_init(void)
......
......@@ -1121,7 +1121,6 @@ static struct davinci_soc_info davinci_soc_info_da850 = {
.emac_pdata = &da8xx_emac_pdata,
.sram_dma = DA8XX_ARM_RAM_BASE,
.sram_len = SZ_8K,
.reset_device = &da8xx_wdt_device,
};
void __init da850_init(void)
......
......@@ -363,6 +363,11 @@ struct platform_device da8xx_wdt_device = {
.resource = da8xx_watchdog_resources,
};
void da8xx_restart(char mode, const char *cmd)
{
davinci_watchdog_reset(&da8xx_wdt_device);
}
int __init da8xx_register_watchdog(void)
{
return platform_device_register(&da8xx_wdt_device);
......
......@@ -291,6 +291,11 @@ struct platform_device davinci_wdt_device = {
.resource = wdt_resources,
};
void davinci_restart(char mode, const char *cmd)
{
davinci_watchdog_reset(&davinci_wdt_device);
}
static void davinci_init_wdt(void)
{
platform_device_register(&davinci_wdt_device);
......
......@@ -853,7 +853,6 @@ static struct davinci_soc_info davinci_soc_info_dm355 = {
.serial_dev = &dm355_serial_device,
.sram_dma = 0x00010000,
.sram_len = SZ_32K,
.reset_device = &davinci_wdt_device,
};
void __init dm355_init_asp1(u32 evt_enable, struct snd_platform_data *pdata)
......
......@@ -1083,7 +1083,6 @@ static struct davinci_soc_info davinci_soc_info_dm365 = {
.emac_pdata = &dm365_emac_pdata,
.sram_dma = 0x00010000,
.sram_len = SZ_32K,
.reset_device = &davinci_wdt_device,
};
void __init dm365_init_asp(struct snd_platform_data *pdata)
......
......@@ -767,7 +767,6 @@ static struct davinci_soc_info davinci_soc_info_dm644x = {
.emac_pdata = &dm644x_emac_pdata,
.sram_dma = 0x00008000,
.sram_len = SZ_16K,
.reset_device = &davinci_wdt_device,
};
void __init dm644x_init_asp(struct snd_platform_data *pdata)
......
......@@ -854,7 +854,6 @@ static struct davinci_soc_info davinci_soc_info_dm646x = {
.emac_pdata = &dm646x_emac_pdata,
.sram_dma = 0x10010000,
.sram_len = SZ_32K,
.reset_device = &davinci_wdt_device,
};
void __init dm646x_init_mcasp0(struct snd_platform_data *pdata)
......
......@@ -77,14 +77,13 @@ struct davinci_soc_info {
struct emac_platform_data *emac_pdata;
dma_addr_t sram_dma;
unsigned sram_len;
struct platform_device *reset_device;
void (*reset)(struct platform_device *);
};
extern struct davinci_soc_info davinci_soc_info;
extern void davinci_common_init(struct davinci_soc_info *soc_info);
extern void davinci_init_ide(void);
void davinci_restart(char mode, const char *cmd);
/* standard place to map on-chip SRAMs; they *may* support DMA */
#define SRAM_VIRT 0xfffe0000
......
......@@ -91,6 +91,7 @@ int da8xx_register_cpuidle(void);
void __iomem * __init da8xx_get_mem_ctlr(void);
int da850_register_pm(struct platform_device *pdev);
int __init da850_register_sata(unsigned long refclkpn);
void da8xx_restart(char mode, const char *cmd);
extern struct platform_device da8xx_serial_device;
extern struct emac_platform_data da8xx_emac_pdata;
......
......@@ -18,10 +18,4 @@ static inline void arch_idle(void)
cpu_do_idle();
}
static inline void arch_reset(char mode, const char *cmd)
{
if (davinci_soc_info.reset)
davinci_soc_info.reset(davinci_soc_info.reset_device);
}
#endif /* __ASM_ARCH_SYSTEM_H */
......@@ -54,6 +54,7 @@ extern struct platform_device tnetv107x_serial_device;
extern void __init tnetv107x_init(void);
extern void __init tnetv107x_devices_init(struct tnetv107x_device_info *);
extern void __init tnetv107x_irq_init(void);
void tnetv107x_restart(char mode, const char *cmd);
#endif
......
......@@ -730,6 +730,11 @@ static void tnetv107x_watchdog_reset(struct platform_device *pdev)
__raw_writel(1, &regs->kick);
}
void tnetv107x_restart(char mode, const char *cmd)
{
tnetv107x_watchdog_reset(&tnetv107x_wdt_device);
}
static struct davinci_soc_info tnetv107x_soc_info = {
.io_desc = io_desc,
.io_desc_num = ARRAY_SIZE(io_desc),
......@@ -752,8 +757,6 @@ static struct davinci_soc_info tnetv107x_soc_info = {
.gpio_num = TNETV107X_N_GPIO,
.timer_info = &timer_info,
.serial_dev = &tnetv107x_serial_device,
.reset = tnetv107x_watchdog_reset,
.reset_device = &tnetv107x_wdt_device,
};
void __init tnetv107x_init(void)
......
......@@ -93,4 +93,5 @@ MACHINE_START(CM_A510, "Compulab CM-A510 Board")
.init_early = dove_init_early,
.init_irq = dove_init_irq,
.timer = &dove_timer,
.restart = dove_restart,
MACHINE_END
......@@ -292,3 +292,19 @@ void __init dove_init(void)
dove_xor0_init();
dove_xor1_init();
}
void dove_restart(char mode, const char *cmd)
{
/*
* Enable soft reset to assert RSTOUTn.
*/
writel(SOFT_RESET_OUT_EN, RSTOUTn_MASK);
/*
* Assert soft reset.
*/
writel(SOFT_RESET, SYSTEM_SOFT_RESET);
while (1)
;
}
......@@ -39,5 +39,6 @@ void dove_spi1_init(void);
void dove_i2c_init(void);
void dove_sdio0_init(void);
void dove_sdio1_init(void);
void dove_restart(char, const char *);
#endif
......@@ -100,4 +100,5 @@ MACHINE_START(DOVE_DB, "Marvell DB-MV88AP510-BP Development Board")
.init_early = dove_init_early,
.init_irq = dove_init_irq,
.timer = &dove_timer,
.restart = dove_restart,
MACHINE_END
......@@ -9,28 +9,9 @@
#ifndef __ASM_ARCH_SYSTEM_H
#define __ASM_ARCH_SYSTEM_H
#include <mach/bridge-regs.h>
static inline void arch_idle(void)
{
cpu_do_idle();
}
static inline void arch_reset(char mode, const char *cmd)
{
/*
* Enable soft reset to assert RSTOUTn.
*/
writel(SOFT_RESET_OUT_EN, RSTOUTn_MASK);
/*
* Assert soft reset.
*/
writel(SOFT_RESET, SYSTEM_SOFT_RESET);
while (1)
;
}
#endif
......@@ -278,6 +278,11 @@ static int __init ebsa110_init(void)
arch_initcall(ebsa110_init);
static void ebsa110_restart(char mode, const char *cmd)
{
soft_restart(0x80000000);
}
MACHINE_START(EBSA110, "EBSA110")
/* Maintainer: Russell King */
.atag_offset = 0x400,
......@@ -287,4 +292,5 @@ MACHINE_START(EBSA110, "EBSA110")
.map_io = ebsa110_map_io,
.init_irq = ebsa110_init_irq,
.timer = &ebsa110_timer,
.restart = ebsa110_restart,
MACHINE_END
......@@ -34,6 +34,4 @@ static inline void arch_idle(void)
asm volatile ("mcr p15, 0, ip, c15, c1, 2" : : : "cc");
}
#define arch_reset(mode, cmd) soft_restart(0x80000000)
#endif
......@@ -40,4 +40,5 @@ MACHINE_START(ADSSPHERE, "ADS Sphere board")
.handle_irq = vic_handle_irq,
.timer = &ep93xx_timer,
.init_machine = adssphere_init_machine,
.restart = ep93xx_restart,
MACHINE_END
......@@ -906,3 +906,15 @@ void __init ep93xx_init_devices(void)
platform_device_register(&ep93xx_ohci_device);
platform_device_register(&ep93xx_leds);
}
void ep93xx_restart(char mode, const char *cmd)
{
/*
* Set then clear the SWRST bit to initiate a software reset
*/
ep93xx_devcfg_set_bits(EP93XX_SYSCON_DEVCFG_SWRST);
ep93xx_devcfg_clear_bits(EP93XX_SYSCON_DEVCFG_SWRST);
while (1)
;
}
......@@ -254,6 +254,7 @@ MACHINE_START(EDB9301, "Cirrus Logic EDB9301 Evaluation Board")
.handle_irq = vic_handle_irq,
.timer = &ep93xx_timer,
.init_machine = edb93xx_init_machine,
.restart = ep93xx_restart,
MACHINE_END
#endif
......@@ -266,6 +267,7 @@ MACHINE_START(EDB9302, "Cirrus Logic EDB9302 Evaluation Board")
.handle_irq = vic_handle_irq,
.timer = &ep93xx_timer,
.init_machine = edb93xx_init_machine,
.restart = ep93xx_restart,
MACHINE_END
#endif
......@@ -278,6 +280,7 @@ MACHINE_START(EDB9302A, "Cirrus Logic EDB9302A Evaluation Board")
.handle_irq = vic_handle_irq,
.timer = &ep93xx_timer,
.init_machine = edb93xx_init_machine,
.restart = ep93xx_restart,
MACHINE_END
#endif
......@@ -290,6 +293,7 @@ MACHINE_START(EDB9307, "Cirrus Logic EDB9307 Evaluation Board")
.handle_irq = vic_handle_irq,
.timer = &ep93xx_timer,
.init_machine = edb93xx_init_machine,
.restart = ep93xx_restart,
MACHINE_END
#endif
......@@ -302,6 +306,7 @@ MACHINE_START(EDB9307A, "Cirrus Logic EDB9307A Evaluation Board")
.handle_irq = vic_handle_irq,
.timer = &ep93xx_timer,
.init_machine = edb93xx_init_machine,
.restart = ep93xx_restart,
MACHINE_END
#endif
......@@ -314,6 +319,7 @@ MACHINE_START(EDB9312, "Cirrus Logic EDB9312 Evaluation Board")
.handle_irq = vic_handle_irq,
.timer = &ep93xx_timer,
.init_machine = edb93xx_init_machine,
.restart = ep93xx_restart,
MACHINE_END
#endif
......@@ -326,6 +332,7 @@ MACHINE_START(EDB9315, "Cirrus Logic EDB9315 Evaluation Board")
.handle_irq = vic_handle_irq,
.timer = &ep93xx_timer,
.init_machine = edb93xx_init_machine,
.restart = ep93xx_restart,
MACHINE_END
#endif
......@@ -338,5 +345,6 @@ MACHINE_START(EDB9315A, "Cirrus Logic EDB9315A Evaluation Board")
.handle_irq = vic_handle_irq,
.timer = &ep93xx_timer,
.init_machine = edb93xx_init_machine,
.restart = ep93xx_restart,
MACHINE_END
#endif
......@@ -40,4 +40,5 @@ MACHINE_START(GESBC9312, "Glomation GESBC-9312-sx")
.handle_irq = vic_handle_irq,
.timer = &ep93xx_timer,
.init_machine = gesbc9312_init_machine,
.restart = ep93xx_restart,
MACHINE_END
......@@ -66,4 +66,6 @@ void ep93xx_register_ac97(void);
void ep93xx_init_devices(void);
extern struct sys_timer ep93xx_timer;
void ep93xx_restart(char, const char *);
#endif
/*
* arch/arm/mach-ep93xx/include/mach/system.h
*/
#include <mach/hardware.h>
static inline void arch_idle(void)
{
cpu_do_idle();
}
static inline void arch_reset(char mode, const char *cmd)
{
/*
* Set then clear the SWRST bit to initiate a software reset
*/
ep93xx_devcfg_set_bits(EP93XX_SYSCON_DEVCFG_SWRST);
ep93xx_devcfg_clear_bits(EP93XX_SYSCON_DEVCFG_SWRST);
while (1)
;
}
......@@ -84,6 +84,7 @@ MACHINE_START(MICRO9, "Contec Micro9-High")
.handle_irq = vic_handle_irq,
.timer = &ep93xx_timer,
.init_machine = micro9_init_machine,
.restart = ep93xx_restart,
MACHINE_END
#endif
......@@ -96,6 +97,7 @@ MACHINE_START(MICRO9M, "Contec Micro9-Mid")
.handle_irq = vic_handle_irq,
.timer = &ep93xx_timer,
.init_machine = micro9_init_machine,
.restart = ep93xx_restart,
MACHINE_END
#endif
......@@ -108,6 +110,7 @@ MACHINE_START(MICRO9L, "Contec Micro9-Lite")
.handle_irq = vic_handle_irq,
.timer = &ep93xx_timer,
.init_machine = micro9_init_machine,
.restart = ep93xx_restart,
MACHINE_END
#endif
......@@ -120,5 +123,6 @@ MACHINE_START(MICRO9S, "Contec Micro9-Slim")
.handle_irq = vic_handle_irq,
.timer = &ep93xx_timer,
.init_machine = micro9_init_machine,
.restart = ep93xx_restart,
MACHINE_END
#endif
......@@ -84,4 +84,5 @@ MACHINE_START(SIM_ONE, "Simplemachines Sim.One Board")
.handle_irq = vic_handle_irq,
.timer = &ep93xx_timer,
.init_machine = simone_init_machine,
.restart = ep93xx_restart,
MACHINE_END
......@@ -181,4 +181,5 @@ MACHINE_START(SNAPPER_CL15, "Bluewater Systems Snapper CL15")
.handle_irq = vic_handle_irq,
.timer = &ep93xx_timer,
.init_machine = snappercl15_init_machine,
.restart = ep93xx_restart,
MACHINE_END
......@@ -251,4 +251,5 @@ MACHINE_START(TS72XX, "Technologic Systems TS-72xx SBC")
.handle_irq = vic_handle_irq,
.timer = &ep93xx_timer,
.init_machine = ts72xx_init_machine,
.restart = ep93xx_restart,
MACHINE_END
......@@ -361,4 +361,5 @@ MACHINE_START(VISION_EP9307, "Vision Engraving Systems EP9307")
.init_irq = ep93xx_init_irq,
.timer = &ep93xx_timer,
.init_machine = vision_init_machine,
.restart = ep93xx_restart,
MACHINE_END
......@@ -10,15 +10,17 @@ obj-m :=
obj-n :=
obj- :=
# Core support for EXYNOS4 system
# Core
obj-$(CONFIG_ARCH_EXYNOS4) += cpu.o init.o clock.o irq-combiner.o setup-i2c0.o
obj-$(CONFIG_ARCH_EXYNOS4) += irq-eint.o dma.o pmu.o
obj-$(CONFIG_ARCH_EXYNOS4) += common.o clock.o
obj-$(CONFIG_CPU_EXYNOS4210) += clock-exynos4210.o
obj-$(CONFIG_SOC_EXYNOS4212) += clock-exynos4212.o
obj-$(CONFIG_PM) += pm.o
obj-$(CONFIG_CPU_IDLE) += cpuidle.o
obj-$(CONFIG_ARCH_EXYNOS4) += dma.o pmu.o
obj-$(CONFIG_SMP) += platsmp.o headsmp.o
obj-$(CONFIG_EXYNOS4_MCT) += mct.o
......@@ -45,6 +47,7 @@ obj-$(CONFIG_EXYNOS4_DEV_PD) += dev-pd.o
obj-$(CONFIG_EXYNOS4_DEV_SYSMMU) += dev-sysmmu.o
obj-$(CONFIG_EXYNOS4_DEV_DWMCI) += dev-dwmci.o
obj-$(CONFIG_ARCH_EXYNOS4) += setup-i2c0.o
obj-$(CONFIG_EXYNOS4_SETUP_FIMC) += setup-fimc.o
obj-$(CONFIG_EXYNOS4_SETUP_FIMD0) += setup-fimd0.o
obj-$(CONFIG_EXYNOS4_SETUP_I2C1) += setup-i2c1.o
......
......@@ -23,7 +23,6 @@
#include <plat/pll.h>
#include <plat/s5p-clock.h>
#include <plat/clock-clksrc.h>
#include <plat/exynos4.h>
#include <plat/pm.h>
#include <mach/hardware.h>
......@@ -31,6 +30,8 @@
#include <mach/regs-clock.h>
#include <mach/exynos4-clock.h>
#include "common.h"
static struct sleep_save exynos4210_clock_save[] = {
SAVE_ITEM(S5P_CLKSRC_IMAGE),
SAVE_ITEM(S5P_CLKSRC_LCD1),
......
......@@ -23,7 +23,6 @@
#include <plat/pll.h>
#include <plat/s5p-clock.h>
#include <plat/clock-clksrc.h>
#include <plat/exynos4.h>
#include <plat/pm.h>
#include <mach/hardware.h>
......@@ -31,6 +30,8 @@
#include <mach/regs-clock.h>
#include <mach/exynos4-clock.h>
#include "common.h"
static struct sleep_save exynos4212_clock_save[] = {
SAVE_ITEM(S5P_CLKSRC_IMAGE),
SAVE_ITEM(S5P_CLKDIV_IMAGE),
......
......@@ -21,7 +21,6 @@
#include <plat/pll.h>
#include <plat/s5p-clock.h>
#include <plat/clock-clksrc.h>
#include <plat/exynos4.h>
#include <plat/pm.h>
#include <mach/map.h>
......@@ -29,6 +28,8 @@
#include <mach/sysmmu.h>
#include <mach/exynos4-clock.h>
#include "common.h"
static struct sleep_save exynos4_clock_save[] = {
SAVE_ITEM(S5P_CLKDIV_LEFTBUS),
SAVE_ITEM(S5P_CLKGATE_IP_LEFTBUS),
......
/* linux/arch/arm/mach-exynos/cpu.c
*
/*
* Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* Common Codes for EXYNOS
*
* 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/sched.h>
#include <linux/kernel.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/io.h>
#include <linux/sysdev.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <linux/gpio.h>
#include <linux/sched.h>
#include <linux/serial_core.h>
#include <asm/proc-fns.h>
#include <asm/exception.h>
#include <asm/hardware/cache-l2x0.h>
#include <asm/hardware/gic.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <mach/regs-irq.h>
#include <mach/regs-pmu.h>
#include <mach/regs-gpio.h>
#include <plat/cpu.h>
#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/exynos4.h>
#include <plat/adc-core.h>
#include <plat/pm.h>
#include <plat/sdhci.h>
#include <plat/gpio-cfg.h>
#include <plat/adc-core.h>
#include <plat/fb-core.h>
#include <plat/fimc-core.h>
#include <plat/iic-core.h>
#include <plat/reset.h>
#include <plat/tv-core.h>
#include <plat/regs-serial.h>
#include <mach/regs-irq.h>
#include <mach/regs-pmu.h>
#include "common.h"
unsigned int gic_bank_offset __read_mostly;
extern int combiner_init(unsigned int combiner_nr, void __iomem *base,
unsigned int irq_start);
extern void combiner_cascade_irq(unsigned int combiner_nr, unsigned int irq);
static const char name_exynos4210[] = "EXYNOS4210";
static const char name_exynos4212[] = "EXYNOS4212";
static const char name_exynos4412[] = "EXYNOS4412";
static struct cpu_table cpu_ids[] __initdata = {
{
.idcode = EXYNOS4210_CPU_ID,
.idmask = EXYNOS4_CPU_MASK,
.map_io = exynos4_map_io,
.init_clocks = exynos4_init_clocks,
.init_uarts = exynos4_init_uarts,
.init = exynos_init,
.name = name_exynos4210,
}, {
.idcode = EXYNOS4212_CPU_ID,
.idmask = EXYNOS4_CPU_MASK,
.map_io = exynos4_map_io,
.init_clocks = exynos4_init_clocks,
.init_uarts = exynos4_init_uarts,
.init = exynos_init,
.name = name_exynos4212,
}, {
.idcode = EXYNOS4412_CPU_ID,
.idmask = EXYNOS4_CPU_MASK,
.map_io = exynos4_map_io,
.init_clocks = exynos4_init_clocks,
.init_uarts = exynos4_init_uarts,
.init = exynos_init,
.name = name_exynos4412,
},
};
/* Initial IO mappings */
static struct map_desc exynos_iodesc[] __initdata = {
{
.virtual = (unsigned long)S5P_VA_CHIPID,
.pfn = __phys_to_pfn(EXYNOS4_PA_CHIPID),
.length = SZ_4K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)S3C_VA_SYS,
.pfn = __phys_to_pfn(EXYNOS4_PA_SYSCON),
.length = SZ_64K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)S3C_VA_TIMER,
.pfn = __phys_to_pfn(EXYNOS4_PA_TIMER),
.length = SZ_16K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)S3C_VA_WATCHDOG,
.pfn = __phys_to_pfn(EXYNOS4_PA_WATCHDOG),
.length = SZ_4K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)S5P_VA_SROMC,
.pfn = __phys_to_pfn(EXYNOS4_PA_SROMC),
.length = SZ_4K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)S5P_VA_SYSTIMER,
.pfn = __phys_to_pfn(EXYNOS_PA_SYSTIMER),
.pfn = __phys_to_pfn(EXYNOS4_PA_SYSTIMER),
.length = SZ_4K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)S5P_VA_PMU,
.pfn = __phys_to_pfn(EXYNOS_PA_PMU),
.pfn = __phys_to_pfn(EXYNOS4_PA_PMU),
.length = SZ_64K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)S5P_VA_COMBINER_BASE,
.pfn = __phys_to_pfn(EXYNOS_PA_COMBINER),
.pfn = __phys_to_pfn(EXYNOS4_PA_COMBINER),
.length = SZ_4K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)S5P_VA_GIC_CPU,
.pfn = __phys_to_pfn(EXYNOS_PA_GIC_CPU),
.pfn = __phys_to_pfn(EXYNOS4_PA_GIC_CPU),
.length = SZ_64K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)S5P_VA_GIC_DIST,
.pfn = __phys_to_pfn(EXYNOS_PA_GIC_DIST),
.pfn = __phys_to_pfn(EXYNOS4_PA_GIC_DIST),
.length = SZ_64K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)S3C_VA_UART,
.pfn = __phys_to_pfn(S3C_PA_UART),
.pfn = __phys_to_pfn(EXYNOS4_PA_UART),
.length = SZ_512K,
.type = MT_DEVICE,
},
......@@ -143,7 +208,7 @@ static void exynos_idle(void)
local_irq_enable();
}
static void exynos4_sw_reset(void)
void exynos4_restart(char mode, const char *cmd)
{
__raw_writel(0x1, S5P_SWRESET);
}
......@@ -153,9 +218,22 @@ static void exynos4_sw_reset(void)
*
* register the standard cpu IO areas
*/
void __init exynos4_map_io(void)
void __init exynos_init_io(struct map_desc *mach_desc, int size)
{
/* initialize the io descriptors we need for initialization */
iotable_init(exynos_iodesc, ARRAY_SIZE(exynos_iodesc));
if (mach_desc)
iotable_init(mach_desc, size);
/* detect cpu id and rev. */
s5p_init_cpu(S5P_VA_CHIPID);
s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids));
}
void __init exynos4_map_io(void)
{
iotable_init(exynos4_iodesc, ARRAY_SIZE(exynos4_iodesc));
if (soc_is_exynos4210() && samsung_rev() == EXYNOS4210_REV_0)
......@@ -201,14 +279,134 @@ void __init exynos4_init_clocks(int xtal)
exynos4_setup_clocks();
}
#define COMBINER_ENABLE_SET 0x0
#define COMBINER_ENABLE_CLEAR 0x4
#define COMBINER_INT_STATUS 0xC
static DEFINE_SPINLOCK(irq_controller_lock);
struct combiner_chip_data {
unsigned int irq_offset;
unsigned int irq_mask;
void __iomem *base;
};
static struct combiner_chip_data combiner_data[MAX_COMBINER_NR];
static inline void __iomem *combiner_base(struct irq_data *data)
{
struct combiner_chip_data *combiner_data =
irq_data_get_irq_chip_data(data);
return combiner_data->base;
}
static void combiner_mask_irq(struct irq_data *data)
{
u32 mask = 1 << (data->irq % 32);
__raw_writel(mask, combiner_base(data) + COMBINER_ENABLE_CLEAR);
}
static void combiner_unmask_irq(struct irq_data *data)
{
u32 mask = 1 << (data->irq % 32);
__raw_writel(mask, combiner_base(data) + COMBINER_ENABLE_SET);
}
static void combiner_handle_cascade_irq(unsigned int irq, struct irq_desc *desc)
{
struct combiner_chip_data *chip_data = irq_get_handler_data(irq);
struct irq_chip *chip = irq_get_chip(irq);
unsigned int cascade_irq, combiner_irq;
unsigned long status;
chained_irq_enter(chip, desc);
spin_lock(&irq_controller_lock);
status = __raw_readl(chip_data->base + COMBINER_INT_STATUS);
spin_unlock(&irq_controller_lock);
status &= chip_data->irq_mask;
if (status == 0)
goto out;
combiner_irq = __ffs(status);
cascade_irq = combiner_irq + (chip_data->irq_offset & ~31);
if (unlikely(cascade_irq >= NR_IRQS))
do_bad_IRQ(cascade_irq, desc);
else
generic_handle_irq(cascade_irq);
out:
chained_irq_exit(chip, desc);
}
static struct irq_chip combiner_chip = {
.name = "COMBINER",
.irq_mask = combiner_mask_irq,
.irq_unmask = combiner_unmask_irq,
};
static void __init combiner_cascade_irq(unsigned int combiner_nr, unsigned int irq)
{
if (combiner_nr >= MAX_COMBINER_NR)
BUG();
if (irq_set_handler_data(irq, &combiner_data[combiner_nr]) != 0)
BUG();
irq_set_chained_handler(irq, combiner_handle_cascade_irq);
}
static void __init combiner_init(unsigned int combiner_nr, void __iomem *base,
unsigned int irq_start)
{
unsigned int i;
if (combiner_nr >= MAX_COMBINER_NR)
BUG();
combiner_data[combiner_nr].base = base;
combiner_data[combiner_nr].irq_offset = irq_start;
combiner_data[combiner_nr].irq_mask = 0xff << ((combiner_nr % 4) << 3);
/* Disable all interrupts */
__raw_writel(combiner_data[combiner_nr].irq_mask,
base + COMBINER_ENABLE_CLEAR);
/* Setup the Linux IRQ subsystem */
for (i = irq_start; i < combiner_data[combiner_nr].irq_offset
+ MAX_IRQ_IN_COMBINER; i++) {
irq_set_chip_and_handler(i, &combiner_chip, handle_level_irq);
irq_set_chip_data(i, &combiner_data[combiner_nr]);
set_irq_flags(i, IRQF_VALID | IRQF_PROBE);
}
}
static void exynos4_gic_irq_fix_base(struct irq_data *d)
{
struct gic_chip_data *gic_data = irq_data_get_irq_chip_data(d);
gic_data->cpu_base = S5P_VA_GIC_CPU +
(gic_bank_offset * smp_processor_id());
gic_data->dist_base = S5P_VA_GIC_DIST +
(gic_bank_offset * smp_processor_id());
}
void __init exynos4_init_irq(void)
{
int irq;
unsigned int gic_bank_offset;
gic_bank_offset = soc_is_exynos4412() ? 0x4000 : 0x8000;
gic_init_bases(0, IRQ_PPI(0), S5P_VA_GIC_DIST, S5P_VA_GIC_CPU, gic_bank_offset);
gic_init(0, IRQ_PPI(0), S5P_VA_GIC_DIST, S5P_VA_GIC_CPU);
gic_arch_extn.irq_eoi = exynos4_gic_irq_fix_base;
gic_arch_extn.irq_unmask = exynos4_gic_irq_fix_base;
gic_arch_extn.irq_mask = exynos4_gic_irq_fix_base;
for (irq = 0; irq < MAX_COMBINER_NR; irq++) {
......@@ -217,7 +415,8 @@ void __init exynos4_init_irq(void)
combiner_cascade_irq(irq, IRQ_SPI(irq));
}
/* The parameters of s5p_init_irq() are for VIC init.
/*
* The parameters of s5p_init_irq() are for VIC init.
* Theses parameters should be NULL and 0 because EXYNOS4
* uses GIC instead of VIC.
*/
......@@ -271,9 +470,244 @@ int __init exynos_init(void)
/* set idle function */
pm_idle = exynos_idle;
/* set sw_reset function */
if (soc_is_exynos4210() || soc_is_exynos4212() || soc_is_exynos4412())
s5p_reset_hook = exynos4_sw_reset;
return sysdev_register(&exynos4_sysdev);
}
static struct s3c24xx_uart_clksrc exynos4_serial_clocks[] = {
[0] = {
.name = "uclk1",
.divisor = 1,
.min_baud = 0,
.max_baud = 0,
},
};
/* uart registration process */
void __init exynos4_init_uarts(struct s3c2410_uartcfg *cfg, int no)
{
struct s3c2410_uartcfg *tcfg = cfg;
u32 ucnt;
for (ucnt = 0; ucnt < no; ucnt++, tcfg++) {
if (!tcfg->clocks) {
tcfg->has_fracval = 1;
tcfg->clocks = exynos4_serial_clocks;
tcfg->clocks_size = ARRAY_SIZE(exynos4_serial_clocks);
}
tcfg->flags |= NO_NEED_CHECK_CLKSRC;
}
s3c24xx_init_uartdevs("s5pv210-uart", s5p_uart_resources, cfg, no);
}
static DEFINE_SPINLOCK(eint_lock);
static unsigned int eint0_15_data[16];
static unsigned int exynos4_get_irq_nr(unsigned int number)
{
u32 ret = 0;
switch (number) {
case 0 ... 3:
ret = (number + IRQ_EINT0);
break;
case 4 ... 7:
ret = (number + (IRQ_EINT4 - 4));
break;
case 8 ... 15:
ret = (number + (IRQ_EINT8 - 8));
break;
default:
printk(KERN_ERR "number available : %d\n", number);
}
return ret;
}
static inline void exynos4_irq_eint_mask(struct irq_data *data)
{
u32 mask;
spin_lock(&eint_lock);
mask = __raw_readl(S5P_EINT_MASK(EINT_REG_NR(data->irq)));
mask |= eint_irq_to_bit(data->irq);
__raw_writel(mask, S5P_EINT_MASK(EINT_REG_NR(data->irq)));
spin_unlock(&eint_lock);
}
static void exynos4_irq_eint_unmask(struct irq_data *data)
{
u32 mask;
spin_lock(&eint_lock);
mask = __raw_readl(S5P_EINT_MASK(EINT_REG_NR(data->irq)));
mask &= ~(eint_irq_to_bit(data->irq));
__raw_writel(mask, S5P_EINT_MASK(EINT_REG_NR(data->irq)));
spin_unlock(&eint_lock);
}
static inline void exynos4_irq_eint_ack(struct irq_data *data)
{
__raw_writel(eint_irq_to_bit(data->irq),
S5P_EINT_PEND(EINT_REG_NR(data->irq)));
}
static void exynos4_irq_eint_maskack(struct irq_data *data)
{
exynos4_irq_eint_mask(data);
exynos4_irq_eint_ack(data);
}
static int exynos4_irq_eint_set_type(struct irq_data *data, unsigned int type)
{
int offs = EINT_OFFSET(data->irq);
int shift;
u32 ctrl, mask;
u32 newvalue = 0;
switch (type) {
case IRQ_TYPE_EDGE_RISING:
newvalue = S5P_IRQ_TYPE_EDGE_RISING;
break;
case IRQ_TYPE_EDGE_FALLING:
newvalue = S5P_IRQ_TYPE_EDGE_FALLING;
break;
case IRQ_TYPE_EDGE_BOTH:
newvalue = S5P_IRQ_TYPE_EDGE_BOTH;
break;
case IRQ_TYPE_LEVEL_LOW:
newvalue = S5P_IRQ_TYPE_LEVEL_LOW;
break;
case IRQ_TYPE_LEVEL_HIGH:
newvalue = S5P_IRQ_TYPE_LEVEL_HIGH;
break;
default:
printk(KERN_ERR "No such irq type %d", type);
return -EINVAL;
}
shift = (offs & 0x7) * 4;
mask = 0x7 << shift;
spin_lock(&eint_lock);
ctrl = __raw_readl(S5P_EINT_CON(EINT_REG_NR(data->irq)));
ctrl &= ~mask;
ctrl |= newvalue << shift;
__raw_writel(ctrl, S5P_EINT_CON(EINT_REG_NR(data->irq)));
spin_unlock(&eint_lock);
switch (offs) {
case 0 ... 7:
s3c_gpio_cfgpin(EINT_GPIO_0(offs & 0x7), EINT_MODE);
break;
case 8 ... 15:
s3c_gpio_cfgpin(EINT_GPIO_1(offs & 0x7), EINT_MODE);
break;
case 16 ... 23:
s3c_gpio_cfgpin(EINT_GPIO_2(offs & 0x7), EINT_MODE);
break;
case 24 ... 31:
s3c_gpio_cfgpin(EINT_GPIO_3(offs & 0x7), EINT_MODE);
break;
default:
printk(KERN_ERR "No such irq number %d", offs);
}
return 0;
}
static struct irq_chip exynos4_irq_eint = {
.name = "exynos4-eint",
.irq_mask = exynos4_irq_eint_mask,
.irq_unmask = exynos4_irq_eint_unmask,
.irq_mask_ack = exynos4_irq_eint_maskack,
.irq_ack = exynos4_irq_eint_ack,
.irq_set_type = exynos4_irq_eint_set_type,
#ifdef CONFIG_PM
.irq_set_wake = s3c_irqext_wake,
#endif
};
/*
* exynos4_irq_demux_eint
*
* This function demuxes the IRQ from from EINTs 16 to 31.
* It is designed to be inlined into the specific handler
* s5p_irq_demux_eintX_Y.
*
* Each EINT pend/mask registers handle eight of them.
*/
static inline void exynos4_irq_demux_eint(unsigned int start)
{
unsigned int irq;
u32 status = __raw_readl(S5P_EINT_PEND(EINT_REG_NR(start)));
u32 mask = __raw_readl(S5P_EINT_MASK(EINT_REG_NR(start)));
status &= ~mask;
status &= 0xff;
while (status) {
irq = fls(status) - 1;
generic_handle_irq(irq + start);
status &= ~(1 << irq);
}
}
static void exynos4_irq_demux_eint16_31(unsigned int irq, struct irq_desc *desc)
{
struct irq_chip *chip = irq_get_chip(irq);
chained_irq_enter(chip, desc);
exynos4_irq_demux_eint(IRQ_EINT(16));
exynos4_irq_demux_eint(IRQ_EINT(24));
chained_irq_exit(chip, desc);
}
static void exynos4_irq_eint0_15(unsigned int irq, struct irq_desc *desc)
{
u32 *irq_data = irq_get_handler_data(irq);
struct irq_chip *chip = irq_get_chip(irq);
chained_irq_enter(chip, desc);
chip->irq_mask(&desc->irq_data);
if (chip->irq_ack)
chip->irq_ack(&desc->irq_data);
generic_handle_irq(*irq_data);
chip->irq_unmask(&desc->irq_data);
chained_irq_exit(chip, desc);
}
int __init exynos4_init_irq_eint(void)
{
int irq;
for (irq = 0 ; irq <= 31 ; irq++) {
irq_set_chip_and_handler(IRQ_EINT(irq), &exynos4_irq_eint,
handle_level_irq);
set_irq_flags(IRQ_EINT(irq), IRQF_VALID);
}
irq_set_chained_handler(IRQ_EINT16_31, exynos4_irq_demux_eint16_31);
for (irq = 0 ; irq <= 15 ; irq++) {
eint0_15_data[irq] = IRQ_EINT(irq);
irq_set_handler_data(exynos4_get_irq_nr(irq),
&eint0_15_data[irq]);
irq_set_chained_handler(exynos4_get_irq_nr(irq),
exynos4_irq_eint0_15);
}
return 0;
}
arch_initcall(exynos4_init_irq_eint);
/* linux/arch/arm/plat-samsung/include/plat/exynos4.h
*
* Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
/*
* Copyright (c) 2011 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* Header file for exynos4 cpu support
* Common Header for EXYNOS machines
*
* 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.
*/
*/
#ifndef __ARCH_ARM_MACH_EXYNOS_COMMON_H
#define __ARCH_ARM_MACH_EXYNOS_COMMON_H
void exynos_init_io(struct map_desc *mach_desc, int size);
void exynos4_init_irq(void);
/* Common init code for EXYNOS4 related SoCs */
void exynos4_register_clocks(void);
void exynos4_setup_clocks(void);
extern void exynos4_common_init_uarts(struct s3c2410_uartcfg *cfg, int no);
extern void exynos4_register_clocks(void);
extern void exynos4210_register_clocks(void);
extern void exynos4212_register_clocks(void);
extern void exynos4_setup_clocks(void);
void exynos4210_register_clocks(void);
void exynos4212_register_clocks(void);
void exynos4_restart(char mode, const char *cmd);
extern struct sys_timer exynos4_timer;
#ifdef CONFIG_ARCH_EXYNOS
extern int exynos_init(void);
extern void exynos4_init_irq(void);
extern void exynos4_map_io(void);
extern void exynos4_init_clocks(int xtal);
extern struct sys_timer exynos4_timer;
#define exynos4_init_uarts exynos4_common_init_uarts
extern void exynos4_init_uarts(struct s3c2410_uartcfg *cfg, int no);
#else
#define exynos4_init_clocks NULL
......@@ -33,3 +37,5 @@ extern struct sys_timer exynos4_timer;
#define exynos4_map_io NULL
#define exynos_init NULL
#endif
#endif /* __ARCH_ARM_MACH_EXYNOS_COMMON_H */
......@@ -149,7 +149,6 @@
#define S3C_PA_WDT EXYNOS4_PA_WATCHDOG
#define S3C_PA_UART EXYNOS4_PA_UART
#define S5P_PA_CHIPID EXYNOS4_PA_CHIPID
#define S5P_PA_EHCI EXYNOS4_PA_EHCI
#define S5P_PA_FIMC0 EXYNOS4_PA_FIMC0
#define S5P_PA_FIMC1 EXYNOS4_PA_FIMC1
......@@ -166,26 +165,17 @@
#define S5P_PA_ONENAND_DMA EXYNOS4_PA_ONENAND_DMA
#define S5P_PA_SDO EXYNOS4_PA_SDO
#define S5P_PA_SDRAM EXYNOS4_PA_SDRAM
#define S5P_PA_SROMC EXYNOS4_PA_SROMC
#define S5P_PA_SYSCON EXYNOS4_PA_SYSCON
#define S5P_PA_TIMER EXYNOS4_PA_TIMER
#define S5P_PA_VP EXYNOS4_PA_VP
#define SAMSUNG_PA_ADC EXYNOS4_PA_ADC
#define SAMSUNG_PA_ADC1 EXYNOS4_PA_ADC1
#define SAMSUNG_PA_KEYPAD EXYNOS4_PA_KEYPAD
#define EXYNOS_PA_COMBINER EXYNOS4_PA_COMBINER
#define EXYNOS_PA_GIC_CPU EXYNOS4_PA_GIC_CPU
#define EXYNOS_PA_GIC_DIST EXYNOS4_PA_GIC_DIST
#define EXYNOS_PA_PMU EXYNOS4_PA_PMU
#define EXYNOS_PA_SYSTIMER EXYNOS4_PA_SYSTIMER
/* Compatibility UART */
#define S3C_VA_UARTx(x) (S3C_VA_UART + ((x) * S3C_UART_OFFSET))
#define S5P_PA_UART(x) (S3C_PA_UART + ((x) * S3C_UART_OFFSET))
#define S5P_PA_UART(x) (EXYNOS4_PA_UART + ((x) * S3C_UART_OFFSET))
#define S5P_PA_UART0 S5P_PA_UART(0)
#define S5P_PA_UART1 S5P_PA_UART(1)
#define S5P_PA_UART2 S5P_PA_UART(2)
......
......@@ -13,8 +13,6 @@
#ifndef __ASM_ARCH_SYSTEM_H
#define __ASM_ARCH_SYSTEM_H __FILE__
#include <plat/system-reset.h>
static void arch_idle(void)
{
/* nothing here yet */
......
/* linux/arch/arm/mach-exynos4/init.c
*
* Copyright (c) 2010 Samsung Electronics Co., Ltd.
* http://www.samsung.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.
*/
#include <linux/serial_core.h>
#include <plat/cpu.h>
#include <plat/devs.h>
#include <plat/regs-serial.h>
static struct s3c24xx_uart_clksrc exynos4_serial_clocks[] = {
[0] = {
.name = "uclk1",
.divisor = 1,
.min_baud = 0,
.max_baud = 0,
},
};
/* uart registration process */
void __init exynos4_common_init_uarts(struct s3c2410_uartcfg *cfg, int no)
{
struct s3c2410_uartcfg *tcfg = cfg;
u32 ucnt;
for (ucnt = 0; ucnt < no; ucnt++, tcfg++) {
if (!tcfg->clocks) {
tcfg->has_fracval = 1;
tcfg->clocks = exynos4_serial_clocks;
tcfg->clocks_size = ARRAY_SIZE(exynos4_serial_clocks);
}
tcfg->flags |= NO_NEED_CHECK_CLKSRC;
}
s3c24xx_init_uartdevs("s5pv210-uart", s5p_uart_resources, cfg, no);
}
/* linux/arch/arm/mach-exynos4/irq-combiner.c
*
* Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* Based on arch/arm/common/gic.c
*
* IRQ COMBINER support
*
* 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/io.h>
#include <asm/mach/irq.h>
#define COMBINER_ENABLE_SET 0x0
#define COMBINER_ENABLE_CLEAR 0x4
#define COMBINER_INT_STATUS 0xC
static DEFINE_SPINLOCK(irq_controller_lock);
struct combiner_chip_data {
unsigned int irq_offset;
unsigned int irq_mask;
void __iomem *base;
};
static struct combiner_chip_data combiner_data[MAX_COMBINER_NR];
static inline void __iomem *combiner_base(struct irq_data *data)
{
struct combiner_chip_data *combiner_data =
irq_data_get_irq_chip_data(data);
return combiner_data->base;
}
static void combiner_mask_irq(struct irq_data *data)
{
u32 mask = 1 << (data->irq % 32);
__raw_writel(mask, combiner_base(data) + COMBINER_ENABLE_CLEAR);
}
static void combiner_unmask_irq(struct irq_data *data)
{
u32 mask = 1 << (data->irq % 32);
__raw_writel(mask, combiner_base(data) + COMBINER_ENABLE_SET);
}
static void combiner_handle_cascade_irq(unsigned int irq, struct irq_desc *desc)
{
struct combiner_chip_data *chip_data = irq_get_handler_data(irq);
struct irq_chip *chip = irq_get_chip(irq);
unsigned int cascade_irq, combiner_irq;
unsigned long status;
chained_irq_enter(chip, desc);
spin_lock(&irq_controller_lock);
status = __raw_readl(chip_data->base + COMBINER_INT_STATUS);
spin_unlock(&irq_controller_lock);
status &= chip_data->irq_mask;
if (status == 0)
goto out;
combiner_irq = __ffs(status);
cascade_irq = combiner_irq + (chip_data->irq_offset & ~31);
if (unlikely(cascade_irq >= NR_IRQS))
do_bad_IRQ(cascade_irq, desc);
else
generic_handle_irq(cascade_irq);
out:
chained_irq_exit(chip, desc);
}
static struct irq_chip combiner_chip = {
.name = "COMBINER",
.irq_mask = combiner_mask_irq,
.irq_unmask = combiner_unmask_irq,
};
void __init combiner_cascade_irq(unsigned int combiner_nr, unsigned int irq)
{
if (combiner_nr >= MAX_COMBINER_NR)
BUG();
if (irq_set_handler_data(irq, &combiner_data[combiner_nr]) != 0)
BUG();
irq_set_chained_handler(irq, combiner_handle_cascade_irq);
}
void __init combiner_init(unsigned int combiner_nr, void __iomem *base,
unsigned int irq_start)
{
unsigned int i;
if (combiner_nr >= MAX_COMBINER_NR)
BUG();
combiner_data[combiner_nr].base = base;
combiner_data[combiner_nr].irq_offset = irq_start;
combiner_data[combiner_nr].irq_mask = 0xff << ((combiner_nr % 4) << 3);
/* Disable all interrupts */
__raw_writel(combiner_data[combiner_nr].irq_mask,
base + COMBINER_ENABLE_CLEAR);
/* Setup the Linux IRQ subsystem */
for (i = irq_start; i < combiner_data[combiner_nr].irq_offset
+ MAX_IRQ_IN_COMBINER; i++) {
irq_set_chip_and_handler(i, &combiner_chip, handle_level_irq);
irq_set_chip_data(i, &combiner_data[combiner_nr]);
set_irq_flags(i, IRQF_VALID | IRQF_PROBE);
}
}
/* linux/arch/arm/mach-exynos4/irq-eint.c
*
* Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* EXYNOS4 - IRQ EINT support
*
* 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/interrupt.h>
#include <linux/irq.h>
#include <linux/io.h>
#include <linux/sysdev.h>
#include <linux/gpio.h>
#include <plat/pm.h>
#include <plat/cpu.h>
#include <plat/gpio-cfg.h>
#include <mach/regs-gpio.h>
#include <asm/mach/irq.h>
static DEFINE_SPINLOCK(eint_lock);
static unsigned int eint0_15_data[16];
static unsigned int exynos4_get_irq_nr(unsigned int number)
{
u32 ret = 0;
switch (number) {
case 0 ... 3:
ret = (number + IRQ_EINT0);
break;
case 4 ... 7:
ret = (number + (IRQ_EINT4 - 4));
break;
case 8 ... 15:
ret = (number + (IRQ_EINT8 - 8));
break;
default:
printk(KERN_ERR "number available : %d\n", number);
}
return ret;
}
static inline void exynos4_irq_eint_mask(struct irq_data *data)
{
u32 mask;
spin_lock(&eint_lock);
mask = __raw_readl(S5P_EINT_MASK(EINT_REG_NR(data->irq)));
mask |= eint_irq_to_bit(data->irq);
__raw_writel(mask, S5P_EINT_MASK(EINT_REG_NR(data->irq)));
spin_unlock(&eint_lock);
}
static void exynos4_irq_eint_unmask(struct irq_data *data)
{
u32 mask;
spin_lock(&eint_lock);
mask = __raw_readl(S5P_EINT_MASK(EINT_REG_NR(data->irq)));
mask &= ~(eint_irq_to_bit(data->irq));
__raw_writel(mask, S5P_EINT_MASK(EINT_REG_NR(data->irq)));
spin_unlock(&eint_lock);
}
static inline void exynos4_irq_eint_ack(struct irq_data *data)
{
__raw_writel(eint_irq_to_bit(data->irq),
S5P_EINT_PEND(EINT_REG_NR(data->irq)));
}
static void exynos4_irq_eint_maskack(struct irq_data *data)
{
exynos4_irq_eint_mask(data);
exynos4_irq_eint_ack(data);
}
static int exynos4_irq_eint_set_type(struct irq_data *data, unsigned int type)
{
int offs = EINT_OFFSET(data->irq);
int shift;
u32 ctrl, mask;
u32 newvalue = 0;
switch (type) {
case IRQ_TYPE_EDGE_RISING:
newvalue = S5P_IRQ_TYPE_EDGE_RISING;
break;
case IRQ_TYPE_EDGE_FALLING:
newvalue = S5P_IRQ_TYPE_EDGE_FALLING;
break;
case IRQ_TYPE_EDGE_BOTH:
newvalue = S5P_IRQ_TYPE_EDGE_BOTH;
break;
case IRQ_TYPE_LEVEL_LOW:
newvalue = S5P_IRQ_TYPE_LEVEL_LOW;
break;
case IRQ_TYPE_LEVEL_HIGH:
newvalue = S5P_IRQ_TYPE_LEVEL_HIGH;
break;
default:
printk(KERN_ERR "No such irq type %d", type);
return -EINVAL;
}
shift = (offs & 0x7) * 4;
mask = 0x7 << shift;
spin_lock(&eint_lock);
ctrl = __raw_readl(S5P_EINT_CON(EINT_REG_NR(data->irq)));
ctrl &= ~mask;
ctrl |= newvalue << shift;
__raw_writel(ctrl, S5P_EINT_CON(EINT_REG_NR(data->irq)));
spin_unlock(&eint_lock);
switch (offs) {
case 0 ... 7:
s3c_gpio_cfgpin(EINT_GPIO_0(offs & 0x7), EINT_MODE);
break;
case 8 ... 15:
s3c_gpio_cfgpin(EINT_GPIO_1(offs & 0x7), EINT_MODE);
break;
case 16 ... 23:
s3c_gpio_cfgpin(EINT_GPIO_2(offs & 0x7), EINT_MODE);
break;
case 24 ... 31:
s3c_gpio_cfgpin(EINT_GPIO_3(offs & 0x7), EINT_MODE);
break;
default:
printk(KERN_ERR "No such irq number %d", offs);
}
return 0;
}
static struct irq_chip exynos4_irq_eint = {
.name = "exynos4-eint",
.irq_mask = exynos4_irq_eint_mask,
.irq_unmask = exynos4_irq_eint_unmask,
.irq_mask_ack = exynos4_irq_eint_maskack,
.irq_ack = exynos4_irq_eint_ack,
.irq_set_type = exynos4_irq_eint_set_type,
#ifdef CONFIG_PM
.irq_set_wake = s3c_irqext_wake,
#endif
};
/* exynos4_irq_demux_eint
*
* This function demuxes the IRQ from from EINTs 16 to 31.
* It is designed to be inlined into the specific handler
* s5p_irq_demux_eintX_Y.
*
* Each EINT pend/mask registers handle eight of them.
*/
static inline void exynos4_irq_demux_eint(unsigned int start)
{
unsigned int irq;
u32 status = __raw_readl(S5P_EINT_PEND(EINT_REG_NR(start)));
u32 mask = __raw_readl(S5P_EINT_MASK(EINT_REG_NR(start)));
status &= ~mask;
status &= 0xff;
while (status) {
irq = fls(status) - 1;
generic_handle_irq(irq + start);
status &= ~(1 << irq);
}
}
static void exynos4_irq_demux_eint16_31(unsigned int irq, struct irq_desc *desc)
{
struct irq_chip *chip = irq_get_chip(irq);
chained_irq_enter(chip, desc);
exynos4_irq_demux_eint(IRQ_EINT(16));
exynos4_irq_demux_eint(IRQ_EINT(24));
chained_irq_exit(chip, desc);
}
static void exynos4_irq_eint0_15(unsigned int irq, struct irq_desc *desc)
{
u32 *irq_data = irq_get_handler_data(irq);
struct irq_chip *chip = irq_get_chip(irq);
chained_irq_enter(chip, desc);
chip->irq_mask(&desc->irq_data);
if (chip->irq_ack)
chip->irq_ack(&desc->irq_data);
generic_handle_irq(*irq_data);
chip->irq_unmask(&desc->irq_data);
chained_irq_exit(chip, desc);
}
int __init exynos4_init_irq_eint(void)
{
int irq;
for (irq = 0 ; irq <= 31 ; irq++) {
irq_set_chip_and_handler(IRQ_EINT(irq), &exynos4_irq_eint,
handle_level_irq);
set_irq_flags(IRQ_EINT(irq), IRQF_VALID);
}
irq_set_chained_handler(IRQ_EINT16_31, exynos4_irq_demux_eint16_31);
for (irq = 0 ; irq <= 15 ; irq++) {
eint0_15_data[irq] = IRQ_EINT(irq);
irq_set_handler_data(exynos4_get_irq_nr(irq),
&eint0_15_data[irq]);
irq_set_chained_handler(exynos4_get_irq_nr(irq),
exynos4_irq_eint0_15);
}
return 0;
}
arch_initcall(exynos4_init_irq_eint);
......@@ -21,7 +21,6 @@
#include <plat/cpu.h>
#include <plat/devs.h>
#include <plat/exynos4.h>
#include <plat/gpio-cfg.h>
#include <plat/regs-serial.h>
#include <plat/regs-srom.h>
......@@ -29,6 +28,8 @@
#include <mach/map.h>
#include "common.h"
/* Following are default values for UCON, ULCON and UFCON UART registers */
#define ARMLEX4210_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
S3C2410_UCON_RXILEVEL | \
......@@ -188,7 +189,7 @@ static void __init armlex4210_smsc911x_init(void)
static void __init armlex4210_map_io(void)
{
s5p_init_io(NULL, 0, S5P_VA_CHIPID);
exynos_init_io(NULL, 0);
s3c24xx_init_clocks(24000000);
s3c24xx_init_uarts(armlex4210_uartcfgs,
ARRAY_SIZE(armlex4210_uartcfgs));
......@@ -214,4 +215,5 @@ MACHINE_START(ARMLEX4210, "ARMLEX4210")
.handle_irq = gic_handle_irq,
.init_machine = armlex4210_machine_init,
.timer = &exynos4_timer,
.restart = exynos4_restart,
MACHINE_END
......@@ -38,7 +38,6 @@
#include <plat/adc.h>
#include <plat/regs-fb-v4.h>
#include <plat/regs-serial.h>
#include <plat/exynos4.h>
#include <plat/cpu.h>
#include <plat/devs.h>
#include <plat/fb.h>
......@@ -55,6 +54,8 @@
#include <mach/map.h>
#include "common.h"
/* Following are default values for UCON, ULCON and UFCON UART registers */
#define NURI_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
S3C2410_UCON_RXILEVEL | \
......@@ -1284,7 +1285,7 @@ static struct platform_device *nuri_devices[] __initdata = {
static void __init nuri_map_io(void)
{
s5p_init_io(NULL, 0, S5P_VA_CHIPID);
exynos_init_io(NULL, 0);
s3c24xx_init_clocks(24000000);
s3c24xx_init_uarts(nuri_uartcfgs, ARRAY_SIZE(nuri_uartcfgs));
}
......@@ -1338,4 +1339,5 @@ MACHINE_START(NURI, "NURI")
.init_machine = nuri_machine_init,
.timer = &exynos4_timer,
.reserve = &nuri_reserve,
.restart = exynos4_restart,
MACHINE_END
......@@ -29,7 +29,6 @@
#include <plat/regs-serial.h>
#include <plat/regs-fb-v4.h>
#include <plat/exynos4.h>
#include <plat/cpu.h>
#include <plat/devs.h>
#include <plat/sdhci.h>
......@@ -44,6 +43,8 @@
#include <mach/map.h>
#include "common.h"
/* Following are default values for UCON, ULCON and UFCON UART registers */
#define ORIGEN_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
S3C2410_UCON_RXILEVEL | \
......@@ -639,7 +640,7 @@ static void s5p_tv_setup(void)
static void __init origen_map_io(void)
{
s5p_init_io(NULL, 0, S5P_VA_CHIPID);
exynos_init_io(NULL, 0);
s3c24xx_init_clocks(24000000);
s3c24xx_init_uarts(origen_uartcfgs, ARRAY_SIZE(origen_uartcfgs));
}
......@@ -699,4 +700,5 @@ MACHINE_START(ORIGEN, "ORIGEN")
.init_machine = origen_machine_init,
.timer = &exynos4_timer,
.reserve = &origen_reserve,
.restart = exynos4_restart,
MACHINE_END
......@@ -28,7 +28,6 @@
#include <plat/clock.h>
#include <plat/cpu.h>
#include <plat/devs.h>
#include <plat/exynos4.h>
#include <plat/gpio-cfg.h>
#include <plat/iic.h>
#include <plat/keypad.h>
......@@ -37,6 +36,8 @@
#include <mach/map.h>
#include "common.h"
/* Following are default values for UCON, ULCON and UFCON UART registers */
#define SMDK4X12_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
S3C2410_UCON_RXILEVEL | \
......@@ -250,7 +251,7 @@ static void __init smdk4x12_map_io(void)
{
clk_xusbxti.rate = 24000000;
s5p_init_io(NULL, 0, S5P_VA_CHIPID);
exynos_init_io(NULL, 0);
s3c24xx_init_clocks(clk_xusbxti.rate);
s3c24xx_init_uarts(smdk4x12_uartcfgs, ARRAY_SIZE(smdk4x12_uartcfgs));
}
......@@ -291,6 +292,7 @@ MACHINE_START(SMDK4212, "SMDK4212")
.handle_irq = gic_handle_irq,
.init_machine = smdk4x12_machine_init,
.timer = &exynos4_timer,
.restart = exynos4_restart,
MACHINE_END
MACHINE_START(SMDK4412, "SMDK4412")
......@@ -302,4 +304,5 @@ MACHINE_START(SMDK4412, "SMDK4412")
.handle_irq = gic_handle_irq,
.init_machine = smdk4x12_machine_init,
.timer = &exynos4_timer,
.restart = exynos4_restart,
MACHINE_END
......@@ -28,7 +28,6 @@
#include <plat/regs-serial.h>
#include <plat/regs-srom.h>
#include <plat/regs-fb-v4.h>
#include <plat/exynos4.h>
#include <plat/cpu.h>
#include <plat/devs.h>
#include <plat/fb.h>
......@@ -44,6 +43,8 @@
#include <mach/map.h>
#include "common.h"
/* Following are default values for UCON, ULCON and UFCON UART registers */
#define SMDKV310_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
S3C2410_UCON_RXILEVEL | \
......@@ -333,7 +334,7 @@ static void s5p_tv_setup(void)
static void __init smdkv310_map_io(void)
{
s5p_init_io(NULL, 0, S5P_VA_CHIPID);
exynos_init_io(NULL, 0);
s3c24xx_init_clocks(24000000);
s3c24xx_init_uarts(smdkv310_uartcfgs, ARRAY_SIZE(smdkv310_uartcfgs));
}
......@@ -380,6 +381,7 @@ MACHINE_START(SMDKV310, "SMDKV310")
.init_machine = smdkv310_machine_init,
.timer = &exynos4_timer,
.reserve = &smdkv310_reserve,
.restart = exynos4_restart,
MACHINE_END
MACHINE_START(SMDKC210, "SMDKC210")
......@@ -390,4 +392,5 @@ MACHINE_START(SMDKC210, "SMDKC210")
.handle_irq = gic_handle_irq,
.init_machine = smdkv310_machine_init,
.timer = &exynos4_timer,
.restart = exynos4_restart,
MACHINE_END
......@@ -28,7 +28,6 @@
#include <asm/mach-types.h>
#include <plat/regs-serial.h>
#include <plat/exynos4.h>
#include <plat/cpu.h>
#include <plat/devs.h>
#include <plat/iic.h>
......@@ -48,6 +47,8 @@
#include <media/s5p_fimc.h>
#include <media/m5mols.h>
#include "common.h"
/* Following are default values for UCON, ULCON and UFCON UART registers */
#define UNIVERSAL_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
S3C2410_UCON_RXILEVEL | \
......@@ -993,7 +994,7 @@ static struct platform_device *universal_devices[] __initdata = {
static void __init universal_map_io(void)
{
s5p_init_io(NULL, 0, S5P_VA_CHIPID);
exynos_init_io(NULL, 0);
s3c24xx_init_clocks(24000000);
s3c24xx_init_uarts(universal_uartcfgs, ARRAY_SIZE(universal_uartcfgs));
}
......@@ -1063,4 +1064,5 @@ MACHINE_START(UNIVERSAL_C210, "UNIVERSAL_C210")
.init_machine = universal_machine_init,
.timer = &exynos4_timer,
.reserve = &universal_reserve,
.restart = exynos4_restart,
MACHINE_END
......@@ -91,4 +91,5 @@ MACHINE_START(CATS, "Chalice-CATS")
.map_io = footbridge_map_io,
.init_irq = footbridge_init_irq,
.timer = &isa_timer,
.restart = footbridge_restart,
MACHINE_END
......@@ -199,6 +199,33 @@ void __init footbridge_map_io(void)
iotable_init(ebsa285_host_io_desc, ARRAY_SIZE(ebsa285_host_io_desc));
}
void footbridge_restart(char mode, const char *cmd)
{
if (mode == 's') {
/* Jump into the ROM */
soft_restart(0x41000000);
} else {
/*
* Force the watchdog to do a CPU reset.
*
* After making sure that the watchdog is disabled
* (so we can change the timer registers) we first
* enable the timer to autoreload itself. Next, the
* timer interval is set really short and any
* current interrupt request is cleared (so we can
* see an edge transition). Finally, TIMER4 is
* enabled as the watchdog.
*/
*CSR_SA110_CNTL &= ~(1 << 13);
*CSR_TIMER4_CNTL = TIMER_CNTL_ENABLE |
TIMER_CNTL_AUTORELOAD |
TIMER_CNTL_DIV16;
*CSR_TIMER4_LOAD = 0x2;
*CSR_TIMER4_CLR = 0;
*CSR_SA110_CNTL |= (1 << 13);
}
}
#ifdef CONFIG_FOOTBRIDGE_ADDIN
static inline unsigned long fb_bus_sdram_offset(void)
......
......@@ -8,3 +8,4 @@ extern void footbridge_map_io(void);
extern void footbridge_init_irq(void);
extern void isa_init_irq(unsigned int irq);
extern void footbridge_restart(char, const char *);
......@@ -21,5 +21,6 @@ MACHINE_START(EBSA285, "EBSA285")
.map_io = footbridge_map_io,
.init_irq = footbridge_init_irq,
.timer = &footbridge_timer,
.restart = footbridge_restart,
MACHINE_END
......@@ -7,63 +7,7 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/io.h>
#include <asm/hardware/dec21285.h>
#include <mach/hardware.h>
#include <asm/leds.h>
#include <asm/mach-types.h>
static inline void arch_idle(void)
{
cpu_do_idle();
}
static inline void arch_reset(char mode, const char *cmd)
{
if (mode == 's') {
/*
* Jump into the ROM
*/
soft_restart(0x41000000);
} else {
if (machine_is_netwinder()) {
/* open up the SuperIO chip
*/
outb(0x87, 0x370);
outb(0x87, 0x370);
/* aux function group 1 (logical device 7)
*/
outb(0x07, 0x370);
outb(0x07, 0x371);
/* set GP16 for WD-TIMER output
*/
outb(0xe6, 0x370);
outb(0x00, 0x371);
/* set a RED LED and toggle WD_TIMER for rebooting
*/
outb(0xc4, 0x338);
} else {
/*
* Force the watchdog to do a CPU reset.
*
* After making sure that the watchdog is disabled
* (so we can change the timer registers) we first
* enable the timer to autoreload itself. Next, the
* timer interval is set really short and any
* current interrupt request is cleared (so we can
* see an edge transition). Finally, TIMER4 is
* enabled as the watchdog.
*/
*CSR_SA110_CNTL &= ~(1 << 13);
*CSR_TIMER4_CNTL = TIMER_CNTL_ENABLE |
TIMER_CNTL_AUTORELOAD |
TIMER_CNTL_DIV16;
*CSR_TIMER4_LOAD = 0x2;
*CSR_TIMER4_CLR = 0;
*CSR_SA110_CNTL |= (1 << 13);
}
}
}
......@@ -645,6 +645,32 @@ fixup_netwinder(struct tag *tags, char **cmdline, struct meminfo *mi)
#endif
}
static void netwinder_restart(char mode, const char *cmd)
{
if (mode == 's') {
/* Jump into the ROM */
soft_restart(0x41000000);
} else {
local_irq_disable();
local_fiq_disable();
/* open up the SuperIO chip */
outb(0x87, 0x370);
outb(0x87, 0x370);
/* aux function group 1 (logical device 7) */
outb(0x07, 0x370);
outb(0x07, 0x371);
/* set GP16 for WD-TIMER output */
outb(0xe6, 0x370);
outb(0x00, 0x371);
/* set a RED LED and toggle WD_TIMER for rebooting */
outb(0xc4, 0x338);
}
}
MACHINE_START(NETWINDER, "Rebel-NetWinder")
/* Maintainer: Russell King/Rebel.com */
.atag_offset = 0x100,
......@@ -656,4 +682,5 @@ MACHINE_START(NETWINDER, "Rebel-NetWinder")
.map_io = footbridge_map_io,
.init_irq = footbridge_init_irq,
.timer = &isa_timer,
.restart = netwinder_restart,
MACHINE_END
......@@ -19,5 +19,6 @@ MACHINE_START(PERSONAL_SERVER, "Compaq-PersonalServer")
.map_io = footbridge_map_io,
.init_irq = footbridge_init_irq,
.timer = &footbridge_timer,
.restart = footbridge_restart,
MACHINE_END
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