Commit 397f8c3c authored by Joachim Eastwood's avatar Joachim Eastwood Committed by Jean-Christophe PLAGNIOL-VILLARD
Browse files

ARM: AT91: Add AT91RM9200 DT board 



Signed-off-by: default avatarJoachim Eastwood <manabian@gmail.com>
Signed-off-by: default avatarJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
parent 0ac433a7

arch/arm/mach-at91/Kconfig

+8 −0
Original line number Diff line number Diff line
@@ -500,6 +500,14 @@ endif 


comment "Generic Board Type"



config MACH_AT91RM9200_DT

	bool "Atmel AT91RM9200 Evaluation Kits with device-tree support"

	depends on SOC_AT91RM9200

	select USE_OF

	help

	  Select this if you want to experiment device-tree with

	  an Atmel RM9200 Evaluation Kit.



config MACH_AT91SAM_DT

	bool "Atmel AT91SAM Evaluation Kits with device-tree support"

	depends on SOC_AT91SAM9

arch/arm/mach-at91/Makefile

+1 −0
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@@ -88,6 +88,7 @@ obj-$(CONFIG_MACH_SNAPPER_9260) += board-snapper9260.o 
obj-$(CONFIG_MACH_AT91SAM9M10G45EK) += board-sam9m10g45ek.o



# AT91SAM board with device-tree

obj-$(CONFIG_MACH_AT91RM9200_DT) += board-rm9200-dt.o

obj-$(CONFIG_MACH_AT91SAM_DT) += board-dt.o



# AT91X40 board-specific support

arch/arm/mach-at91/board-rm9200-dt.c

0 → 100644
+59 −0
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/*

 *  Setup code for AT91RM9200 Evaluation Kits with Device Tree support

 *

 *  Copyright (C) 2011 Atmel,

 *                2011 Nicolas Ferre <nicolas.ferre@atmel.com>

 *                2012 Joachim Eastwood <manabian@gmail.com>

 *

 * Licensed under GPLv2 or later.

 */



#include <linux/types.h>

#include <linux/init.h>

#include <linux/module.h>

#include <linux/gpio.h>

#include <linux/of.h>

#include <linux/of_irq.h>

#include <linux/of_platform.h>



#include <mach/board.h>

#include <mach/at91_aic.h>



#include <asm/setup.h>

#include <asm/irq.h>

#include <asm/mach/arch.h>

#include <asm/mach/map.h>

#include <asm/mach/irq.h>



#include "generic.h"





static const struct of_device_id irq_of_match[] __initconst = {

	{ .compatible = "atmel,at91rm9200-aic", .data = at91_aic_of_init },

	{ /*sentinel*/ }

};



static void __init at91rm9200_dt_init_irq(void)

{

	of_irq_init(irq_of_match);

}



static void __init at91rm9200_dt_device_init(void)

{

	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);

}



static const char *at91rm9200_dt_board_compat[] __initdata = {

	"atmel,at91rm9200",

	NULL

};



DT_MACHINE_START(at91rm9200_dt, "Atmel AT91RM9200 (Device Tree)")

	.timer		= &at91rm9200_timer,

	.map_io		= at91_map_io,

	.handle_irq	= at91_aic_handle_irq,

	.init_early	= at91rm9200_dt_initialize,

	.init_irq	= at91rm9200_dt_init_irq,

	.init_machine	= at91rm9200_dt_device_init,

	.dt_compat	= at91rm9200_dt_board_compat,

MACHINE_END

arch/arm/mach-at91/generic.h

+1 −0
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@@ -20,6 +20,7 @@ extern void __init at91_init_sram(int bank, unsigned long base, 
extern void __init at91rm9200_set_type(int type);

extern void __init at91_initialize(unsigned long main_clock);

extern void __init at91x40_initialize(unsigned long main_clock);

extern void __init at91rm9200_dt_initialize(void);

extern void __init at91_dt_initialize(void);



 /* Interrupts */

arch/arm/mach-at91/setup.c

+14 −0
Original line number Diff line number Diff line
@@ -339,6 +339,7 @@ static void at91_dt_rstc(void) 
}



static struct of_device_id ramc_ids[] = {

	{ .compatible = "atmel,at91rm9200-sdramc" },

	{ .compatible = "atmel,at91sam9260-sdramc" },

	{ .compatible = "atmel,at91sam9g45-ddramc" },

	{ /*sentinel*/ }
@@ -437,6 +438,19 @@ static void at91_dt_shdwc(void) 
	of_node_put(np);

}



void __init at91rm9200_dt_initialize(void)

{

	at91_dt_ramc();



	/* Init clock subsystem */

	at91_dt_clock_init();



	/* Register the processor-specific clocks */

	at91_boot_soc.register_clocks();



	at91_boot_soc.init();

}



void __init at91_dt_initialize(void)

{

	at91_dt_rstc();