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ARM: AT91: Add AT91RM9200 DT board

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Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
This commit is contained in:
Joachim Eastwood 2012-10-28 18:31:09 +00:00 committed by Jean-Christophe PLAGNIOL-VILLARD
parent 0ac433a719
commit 397f8c3ca3
5 changed files with 83 additions and 0 deletions
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8
arch/arm/mach-at91/Kconfig
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@ -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

1
arch/arm/mach-at91/Makefile
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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

59
arch/arm/mach-at91/board-rm9200-dt.c Normal file
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@ -0,0 +1,59 @@
/*
* 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

1
arch/arm/mach-at91/generic.h
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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 */

14
arch/arm/mach-at91/setup.c
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@ -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 @@ end:
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();