提交 69f36661 编写于 作者: G Guennadi Liakhovetski 提交者: Simon Horman

ARM: shmobile: ape6evm: add DT reference

This patch adds a sample DT-based APE6EVM "reference" implementation. The
use of platform-specific C-code should be avoided with this configuration
as much as possible.
Signed-off-by: NGuennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Acked-by: NMagnus Damm <damm@opensource.se>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>
上级 81b9d535
......@@ -192,6 +192,7 @@ dtb-$(CONFIG_ARCH_SHMOBILE) += emev2-kzm9d.dtb \
sh73a0-kzm9g.dtb \
sh73a0-kzm9g-reference.dtb \
r8a73a4-ape6evm.dtb \
r8a73a4-ape6evm-reference.dtb \
sh7372-mackerel.dtb
dtb-$(CONFIG_ARCH_SOCFPGA) += socfpga_cyclone5.dtb \
socfpga_vt.dtb
......
/*
* Device Tree Source for the APE6EVM board
*
* Copyright (C) 2013 Renesas Solutions Corp.
*
* This file is licensed under the terms of the GNU General Public License
* version 2. This program is licensed "as is" without any warranty of any
* kind, whether express or implied.
*/
/dts-v1/;
/include/ "r8a73a4.dtsi"
/ {
model = "APE6EVM";
compatible = "renesas,ape6evm-reference", "renesas,r8a73a4";
chosen {
bootargs = "console=ttySC0,115200 ignore_loglevel";
};
memory@40000000 {
device_type = "memory";
reg = <0 0x40000000 0 0x40000000>;
};
lbsc {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
ranges = <0 0 0 0x80000000>;
};
};
......@@ -83,6 +83,17 @@ config MACH_APE6EVM
depends on ARCH_R8A73A4
select USE_OF
config MACH_APE6EVM_REFERENCE
bool "APE6EVM board - Reference Device Tree Implementation"
depends on ARCH_R8A73A4
select USE_OF
---help---
Use reference implementation of APE6EVM board support
which makes a greater use of device tree at the expense
of not supporting a number of devices.
This is intended to aid developers
config MACH_MACKEREL
bool "mackerel board"
depends on ARCH_SH7372
......
......@@ -37,6 +37,7 @@ obj-$(CONFIG_ARCH_SH73A0) += pm-sh73a0.o
# Board objects
obj-$(CONFIG_MACH_AG5EVM) += board-ag5evm.o
obj-$(CONFIG_MACH_APE6EVM) += board-ape6evm.o
obj-$(CONFIG_MACH_APE6EVM_REFERENCE) += board-ape6evm-reference.o
obj-$(CONFIG_MACH_MACKEREL) += board-mackerel.o
obj-$(CONFIG_MACH_KOTA2) += board-kota2.o
obj-$(CONFIG_MACH_BOCKW) += board-bockw.o
......
......@@ -2,6 +2,7 @@
loadaddr-y :=
loadaddr-$(CONFIG_MACH_AG5EVM) += 0x40008000
loadaddr-$(CONFIG_MACH_APE6EVM) += 0x40008000
loadaddr-$(CONFIG_MACH_APE6EVM_REFERENCE) += 0x40008000
loadaddr-$(CONFIG_MACH_ARMADILLO800EVA) += 0x40008000
loadaddr-$(CONFIG_MACH_ARMADILLO800EVA_REFERENCE) += 0x40008000
loadaddr-$(CONFIG_MACH_BOCKW) += 0x60008000
......
/*
* APE6EVM board support
*
* Copyright (C) 2013 Renesas Solutions Corp.
* Copyright (C) 2013 Magnus Damm
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <linux/gpio.h>
#include <linux/kernel.h>
#include <linux/of_platform.h>
#include <linux/pinctrl/machine.h>
#include <linux/sh_clk.h>
#include <mach/common.h>
#include <mach/r8a73a4.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
static const struct pinctrl_map ape6evm_pinctrl_map[] = {
/* SCIFA0 console */
PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a73a4",
"scifa0_data", "scifa0"),
};
static void __init ape6evm_add_standard_devices(void)
{
struct clk *parent;
struct clk *mp;
r8a73a4_clock_init();
/* MP clock parent = extal2 */
parent = clk_get(NULL, "extal2");
mp = clk_get(NULL, "mp");
BUG_ON(IS_ERR(parent) || IS_ERR(mp));
clk_set_parent(mp, parent);
clk_put(parent);
clk_put(mp);
pinctrl_register_mappings(ape6evm_pinctrl_map,
ARRAY_SIZE(ape6evm_pinctrl_map));
r8a73a4_pinmux_init();
r8a73a4_add_dt_devices();
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
}
static const char *ape6evm_boards_compat_dt[] __initdata = {
"renesas,ape6evm-reference",
NULL,
};
DT_MACHINE_START(APE6EVM_DT, "ape6evm")
.init_early = r8a73a4_init_delay,
.init_time = shmobile_timer_init,
.init_machine = ape6evm_add_standard_devices,
.dt_compat = ape6evm_boards_compat_dt,
MACHINE_END
......@@ -2,6 +2,7 @@
#define __ASM_R8A73A4_H__
void r8a73a4_add_standard_devices(void);
void r8a73a4_add_dt_devices(void);
void r8a73a4_clock_init(void);
void r8a73a4_pinmux_init(void);
void r8a73a4_init_delay(void);
......
......@@ -188,7 +188,7 @@ static struct resource cmt10_resources[] = {
&cmt##idx##_platform_data, \
sizeof(struct sh_timer_config))
void __init r8a73a4_add_standard_devices(void)
void __init r8a73a4_add_dt_devices(void)
{
r8a73a4_register_scif(SCIFA0);
r8a73a4_register_scif(SCIFA1);
......@@ -196,10 +196,15 @@ void __init r8a73a4_add_standard_devices(void)
r8a73a4_register_scif(SCIFB1);
r8a73a4_register_scif(SCIFB2);
r8a73a4_register_scif(SCIFB3);
r8a7790_register_cmt(10);
}
void __init r8a73a4_add_standard_devices(void)
{
r8a73a4_add_dt_devices();
r8a73a4_register_irqc(0);
r8a73a4_register_irqc(1);
r8a73a4_register_thermal();
r8a7790_register_cmt(10);
}
void __init r8a73a4_init_delay(void)
......
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