linux_kernel/arch/arm/mach-at91/at91sam9.c

/*
 *  Setup code for AT91SAM9
 *
 *  Copyright (C) 2011 Atmel,
 *                2011 Nicolas Ferre <nicolas.ferre@atmel.com>
 *
 * Licensed under GPLv2 or later.
 */

#include <linux/of.h>
#include <linux/of_platform.h>

#include <asm/mach/arch.h>
#include <asm/system_misc.h>

#include "generic.h"
#include "soc.h"

static const struct at91_soc at91sam9_socs[] = {
	AT91_SOC(AT91SAM9260_CIDR_MATCH, 0, "at91sam9260", NULL),
	AT91_SOC(AT91SAM9261_CIDR_MATCH, 0, "at91sam9261", NULL),
	AT91_SOC(AT91SAM9263_CIDR_MATCH, 0, "at91sam9263", NULL),
	AT91_SOC(AT91SAM9G20_CIDR_MATCH, 0, "at91sam9g20", NULL),
	AT91_SOC(AT91SAM9RL64_CIDR_MATCH, 0, "at91sam9rl64", NULL),
	AT91_SOC(AT91SAM9G45_CIDR_MATCH, AT91SAM9M11_EXID_MATCH,
		 "at91sam9m11", "at91sam9g45"),
	AT91_SOC(AT91SAM9G45_CIDR_MATCH, AT91SAM9M10_EXID_MATCH,
		 "at91sam9m10", "at91sam9g45"),
	AT91_SOC(AT91SAM9G45_CIDR_MATCH, AT91SAM9G46_EXID_MATCH,
		 "at91sam9g46", "at91sam9g45"),
	AT91_SOC(AT91SAM9G45_CIDR_MATCH, AT91SAM9G45_EXID_MATCH,
		 "at91sam9g45", "at91sam9g45"),
	AT91_SOC(AT91SAM9X5_CIDR_MATCH, AT91SAM9G15_EXID_MATCH,
		 "at91sam9g15", "at91sam9x5"),
	AT91_SOC(AT91SAM9X5_CIDR_MATCH, AT91SAM9G35_EXID_MATCH,
		 "at91sam9g35", "at91sam9x5"),
	AT91_SOC(AT91SAM9X5_CIDR_MATCH, AT91SAM9X35_EXID_MATCH,
		 "at91sam9x35", "at91sam9x5"),
	AT91_SOC(AT91SAM9X5_CIDR_MATCH, AT91SAM9G25_EXID_MATCH,
		 "at91sam9g25", "at91sam9x5"),
	AT91_SOC(AT91SAM9X5_CIDR_MATCH, AT91SAM9X25_EXID_MATCH,
		 "at91sam9x25", "at91sam9x5"),
	AT91_SOC(AT91SAM9N12_CIDR_MATCH, AT91SAM9CN12_EXID_MATCH,
		 "at91sam9cn12", "at91sam9n12"),
	AT91_SOC(AT91SAM9N12_CIDR_MATCH, AT91SAM9N12_EXID_MATCH,
		 "at91sam9n12", "at91sam9n12"),
	AT91_SOC(AT91SAM9N12_CIDR_MATCH, AT91SAM9CN11_EXID_MATCH,
		 "at91sam9cn11", "at91sam9n12"),
	AT91_SOC(AT91SAM9XE128_CIDR_MATCH, 0, "at91sam9xe128", "at91sam9xe128"),
	AT91_SOC(AT91SAM9XE256_CIDR_MATCH, 0, "at91sam9xe256", "at91sam9xe256"),
	AT91_SOC(AT91SAM9XE512_CIDR_MATCH, 0, "at91sam9xe512", "at91sam9xe512"),
	{ /* sentinel */ },
};

static void __init at91sam9_common_init(void)
{
	struct soc_device *soc;
	struct device *soc_dev = NULL;

	soc = at91_soc_init(at91sam9_socs);
	if (soc != NULL)
		soc_dev = soc_device_to_device(soc);

	of_platform_populate(NULL, of_default_bus_match_table, NULL, soc_dev);

	arm_pm_idle = at91sam9_idle;
}

static void __init at91sam9_dt_device_init(void)
{
	at91sam9_common_init();
	at91sam9260_pm_init();
}

static const char *const at91_dt_board_compat[] __initconst = {
	"atmel,at91sam9",
	NULL
};

DT_MACHINE_START(at91sam_dt, "Atmel AT91SAM9")
	/* Maintainer: Atmel */
	.init_machine	= at91sam9_dt_device_init,
	.dt_compat	= at91_dt_board_compat,
MACHINE_END

static void __init at91sam9g45_dt_device_init(void)
{
	at91sam9_common_init();
	at91sam9g45_pm_init();
}

static const char *const at91sam9g45_board_compat[] __initconst = {
	"atmel,at91sam9g45",
	NULL
};

DT_MACHINE_START(at91sam9g45_dt, "Atmel AT91SAM9G45")
	/* Maintainer: Atmel */
	.init_machine	= at91sam9g45_dt_device_init,
	.dt_compat	= at91sam9g45_board_compat,
MACHINE_END

static void __init at91sam9x5_dt_device_init(void)
{
	at91sam9_common_init();
	at91sam9x5_pm_init();
}

static const char *const at91sam9x5_board_compat[] __initconst = {
	"atmel,at91sam9x5",
	"atmel,at91sam9n12",
	NULL
};

DT_MACHINE_START(at91sam9x5_dt, "Atmel AT91SAM9")
	/* Maintainer: Atmel */
	.init_machine	= at91sam9x5_dt_device_init,
	.dt_compat	= at91sam9x5_board_compat,
MACHINE_END