Commit e7749a26 authored by Daniel Mack's avatar Daniel Mack Committed by Haojian Zhuang
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ARM: pxa3xx: add generic DT machine code



Add a DT_MACHINE_START entry for PXA3xx machines and a auxdata table for
some of the devices. This file can be extended to also support pxa2xx
and pxa9xx boards.

Signed-off-by: default avatarDaniel Mack <zonque@gmail.com>
Acked-by: default avatarArnd Bergmann <arnd@arndb.de>
Signed-off-by: default avatarHaojian Zhuang <haojian.zhuang@gmail.com>
parent 82ce44d1
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+12 −0
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@@ -25,6 +25,18 @@ config PXA_V7_MACH_AUTO
if !ARCH_PXA_V7
comment "Intel/Marvell Dev Platforms (sorted by hardware release time)"

config MACH_PXA3XX_DT
	bool "Support PXA3xx platforms from device tree"
	select PXA3xx
	select CPU_PXA300
	select POWER_SUPPLY
	select HAVE_PWM
	select USE_OF
	help
	  Include support for Marvell PXA3xx based platforms using
	  the device tree. Needn't select any other machine while
	  MACH_PXA3XX_DT is enabled.

config ARCH_LUBBOCK
	bool "Intel DBPXA250 Development Platform (aka Lubbock)"
	select PXA25x
+3 −0
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@@ -26,6 +26,9 @@ obj-$(CONFIG_CPU_PXA930) += pxa930.o

# NOTE: keep the order of boards in accordance to their order in Kconfig

# Device Tree support
obj-$(CONFIG_MACH_PXA3XX_DT)	+= pxa-dt.o

# Intel/Marvell Dev Platforms
obj-$(CONFIG_ARCH_LUBBOCK)	+= lubbock.o
obj-$(CONFIG_MACH_MAINSTONE)	+= mainstone.o
+63 −0
Original line number Diff line number Diff line
/*
 *  linux/arch/arm/mach-pxa/pxa-dt.c
 *
 *  Copyright (C) 2012 Daniel Mack
 *
 *  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 <asm/mach/time.h>
#include <mach/irqs.h>
#include <mach/pxa3xx.h>

#include "generic.h"

#ifdef CONFIG_PXA3xx
extern void __init pxa3xx_dt_init_irq(void);

static const struct of_dev_auxdata pxa3xx_auxdata_lookup[] __initconst = {
	OF_DEV_AUXDATA("mrvl,pxa-uart",		0x40100000, "pxa2xx-uart.0", NULL),
	OF_DEV_AUXDATA("mrvl,pxa-uart",		0x40200000, "pxa2xx-uart.1", NULL),
	OF_DEV_AUXDATA("mrvl,pxa-uart",		0x40700000, "pxa2xx-uart.2", NULL),
	OF_DEV_AUXDATA("mrvl,pxa-uart",		0x41600000, "pxa2xx-uart.3", NULL),
	OF_DEV_AUXDATA("marvell,pxa-mmc",	0x41100000, "pxa2xx-mci.0", NULL),
	OF_DEV_AUXDATA("mrvl,pxa-gpio",		0x40e00000, "pxa-gpio", NULL),
	OF_DEV_AUXDATA("marvell,pxa-ohci",	0x4c000000, "pxa27x-ohci", NULL),
	OF_DEV_AUXDATA("mrvl,pxa-i2c",		0x40301680, "pxa2xx-i2c.0", NULL),
	OF_DEV_AUXDATA("mrvl,pwri2c",		0x40f500c0, "pxa3xx-i2c.1", NULL),
	OF_DEV_AUXDATA("marvell,pxa3xx-nand",	0x43100000, "pxa3xx-nand", NULL),
	{}
};

static void __init pxa3xx_dt_init(void)
{
	of_platform_populate(NULL, of_default_bus_match_table,
			     pxa3xx_auxdata_lookup, NULL);
}

static const char *pxa3xx_dt_board_compat[] __initdata = {
	"marvell,pxa300",
	"marvell,pxa310",
	"marvell,pxa320",
	NULL,
};
#endif

#ifdef CONFIG_PXA3xx
DT_MACHINE_START(PXA_DT, "Marvell PXA3xx (Device Tree Support)")
	.map_io		= pxa3xx_map_io,
	.init_irq	= pxa3xx_dt_init_irq,
	.handle_irq	= pxa3xx_handle_irq,
	.timer		= &pxa_timer,
	.restart	= pxa_restart,
	.init_machine	= pxa3xx_dt_init,
	.dt_compat	= pxa3xx_dt_board_compat,
MACHINE_END
#endif