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ARM: mmp: append OF support on pxa168 

Enable PXA168 and aspenite support.

Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
hifive-unleashed-5.1
Haojian Zhuang 2012-03-01 13:25:09 +08:00 committed by Haojian Zhuang
parent 9613b21009
commit 5d48976678
3 changed files with 86 additions and 0 deletions
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10
arch/arm/mach-mmp/Kconfig
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@ -2,6 +2,16 @@ if ARCH_MMP
menu "Marvell PXA168/910/MMP2 Implmentations"
config MACH_MMP_DT
bool "Support MMP2 platforms from device tree"
select CPU_PXA168
select CPU_PXA910
select USE_OF
help
Include support for Marvell MMP2 based platforms using
the device tree. Needn't select any other machine while
MACH_MMP_DT is enabled.
config MACH_ASPENITE
bool "Marvell's PXA168 Aspenite Development Board"
select CPU_PXA168

1
arch/arm/mach-mmp/Makefile
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@ -18,5 +18,6 @@ obj-$(CONFIG_MACH_TTC_DKB) += ttc_dkb.o
obj-$(CONFIG_MACH_BROWNSTONE) += brownstone.o
obj-$(CONFIG_MACH_FLINT) += flint.o
obj-$(CONFIG_MACH_MARVELL_JASPER) += jasper.o
obj-$(CONFIG_MACH_MMP_DT) += mmp-dt.o
obj-$(CONFIG_MACH_TETON_BGA) += teton_bga.o
obj-$(CONFIG_MACH_GPLUGD) += gplugd.o

75
arch/arm/mach-mmp/mmp-dt.c 100644
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@ -0,0 +1,75 @@
/*
* linux/arch/arm/mach-mmp/mmp-dt.c
*
* Copyright (C) 2012 Marvell Technology Group Ltd.
* Author: Haojian Zhuang <haojian.zhuang@marvell.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
* publishhed by the Free Software Foundation.
*/
#include <linux/irq.h>
#include <linux/irqdomain.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <asm/mach/arch.h>
#include <mach/irqs.h>
#include "common.h"
extern struct sys_timer pxa168_timer;
extern void __init icu_init_irq(void);
static const struct of_dev_auxdata mmp_auxdata_lookup[] __initconst = {
OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4017000, "pxa2xx-uart.0", NULL),
OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4018000, "pxa2xx-uart.1", NULL),
OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4026000, "pxa2xx-uart.2", NULL),
OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4011000, "pxa2xx-i2c.0", NULL),
OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4025000, "pxa2xx-i2c.1", NULL),
OF_DEV_AUXDATA("mrvl,mmp-gpio", 0xd4019000, "pxa-gpio", NULL),
OF_DEV_AUXDATA("mrvl,mmp-rtc", 0xd4010000, "sa1100-rtc", NULL),
{}
};
static int __init mmp_intc_add_irq_domain(struct device_node *np,
struct device_node *parent)
{
irq_domain_add_simple(np, 0);
return 0;
}
static int __init mmp_gpio_add_irq_domain(struct device_node *np,
struct device_node *parent)
{
irq_domain_add_simple(np, IRQ_GPIO_START);
return 0;
}
static const struct of_device_id mmp_irq_match[] __initconst = {
{ .compatible = "mrvl,mmp-intc", .data = mmp_intc_add_irq_domain, },
{ .compatible = "mrvl,mmp-gpio", .data = mmp_gpio_add_irq_domain, },
{}
};
static void __init mmp_dt_init(void)
{
of_irq_init(mmp_irq_match);
of_platform_populate(NULL, of_default_bus_match_table,
mmp_auxdata_lookup, NULL);
}
static const char *pxa168_dt_board_compat[] __initdata = {
"mrvl,pxa168-aspenite",
NULL,
};
DT_MACHINE_START(PXA168_DT, "Marvell PXA168 (Device Tree Support)")
.map_io = mmp_map_io,
.init_irq = icu_init_irq,
.timer = &pxa168_timer,
.init_machine = mmp_dt_init,
.dt_compat = pxa168_dt_board_compat,
MACHINE_END