[deliverable/linux.git] / arch / arm / mach-at91 / at91rm9200.c

/*
 * arch/arm/mach-at91/at91rm9200.c
 *
 *  Copyright (C) 2005 SAN People
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 */

#include <linux/module.h>
#include <linux/reboot.h>
#include <linux/clk/at91_pmc.h>

#include <asm/irq.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/system_misc.h>
#include <mach/at91rm9200.h>
#include <mach/at91_st.h>
#include <mach/cpu.h>
#include <mach/hardware.h>

#include "at91_aic.h"
#include "soc.h"
#include "generic.h"
#include "sam9_smc.h"
#include "pm.h"

#if defined(CONFIG_OLD_CLK_AT91)
#include "clock.h"
/* --------------------------------------------------------------------
 *  Clocks
 * -------------------------------------------------------------------- */

/*
 * The peripheral clocks.
 */
static struct clk udc_clk = {
	.name		= "udc_clk",
	.pmc_mask	= 1 << AT91RM9200_ID_UDP,
	.type		= CLK_TYPE_PERIPHERAL,
};
static struct clk ohci_clk = {
	.name		= "ohci_clk",
	.pmc_mask	= 1 << AT91RM9200_ID_UHP,
	.type		= CLK_TYPE_PERIPHERAL,
};
static struct clk ether_clk = {
	.name		= "ether_clk",
	.pmc_mask	= 1 << AT91RM9200_ID_EMAC,
	.type		= CLK_TYPE_PERIPHERAL,
};
static struct clk mmc_clk = {
	.name		= "mci_clk",
	.pmc_mask	= 1 << AT91RM9200_ID_MCI,
	.type		= CLK_TYPE_PERIPHERAL,
};
static struct clk twi_clk = {
	.name		= "twi_clk",
	.pmc_mask	= 1 << AT91RM9200_ID_TWI,
	.type		= CLK_TYPE_PERIPHERAL,
};
static struct clk usart0_clk = {
	.name		= "usart0_clk",
	.pmc_mask	= 1 << AT91RM9200_ID_US0,
	.type		= CLK_TYPE_PERIPHERAL,
};
static struct clk usart1_clk = {
	.name		= "usart1_clk",
	.pmc_mask	= 1 << AT91RM9200_ID_US1,
	.type		= CLK_TYPE_PERIPHERAL,
};
static struct clk usart2_clk = {
	.name		= "usart2_clk",
	.pmc_mask	= 1 << AT91RM9200_ID_US2,
	.type		= CLK_TYPE_PERIPHERAL,
};
static struct clk usart3_clk = {
	.name		= "usart3_clk",
	.pmc_mask	= 1 << AT91RM9200_ID_US3,
	.type		= CLK_TYPE_PERIPHERAL,
};
static struct clk spi_clk = {
	.name		= "spi_clk",
	.pmc_mask	= 1 << AT91RM9200_ID_SPI,
	.type		= CLK_TYPE_PERIPHERAL,
};
static struct clk pioA_clk = {
	.name		= "pioA_clk",
	.pmc_mask	= 1 << AT91RM9200_ID_PIOA,
	.type		= CLK_TYPE_PERIPHERAL,
};
static struct clk pioB_clk = {
	.name		= "pioB_clk",
	.pmc_mask	= 1 << AT91RM9200_ID_PIOB,
	.type		= CLK_TYPE_PERIPHERAL,
};
static struct clk pioC_clk = {
	.name		= "pioC_clk",
	.pmc_mask	= 1 << AT91RM9200_ID_PIOC,
	.type		= CLK_TYPE_PERIPHERAL,
};
static struct clk pioD_clk = {
	.name		= "pioD_clk",
	.pmc_mask	= 1 << AT91RM9200_ID_PIOD,
	.type		= CLK_TYPE_PERIPHERAL,
};
static struct clk ssc0_clk = {
	.name		= "ssc0_clk",
	.pmc_mask	= 1 << AT91RM9200_ID_SSC0,
	.type		= CLK_TYPE_PERIPHERAL,
};
static struct clk ssc1_clk = {
	.name		= "ssc1_clk",
	.pmc_mask	= 1 << AT91RM9200_ID_SSC1,
	.type		= CLK_TYPE_PERIPHERAL,
};
static struct clk ssc2_clk = {
	.name		= "ssc2_clk",
	.pmc_mask	= 1 << AT91RM9200_ID_SSC2,
	.type		= CLK_TYPE_PERIPHERAL,
};
static struct clk tc0_clk = {
	.name		= "tc0_clk",
	.pmc_mask	= 1 << AT91RM9200_ID_TC0,
	.type		= CLK_TYPE_PERIPHERAL,
};
static struct clk tc1_clk = {
	.name		= "tc1_clk",
	.pmc_mask	= 1 << AT91RM9200_ID_TC1,
	.type		= CLK_TYPE_PERIPHERAL,
};
static struct clk tc2_clk = {
	.name		= "tc2_clk",
	.pmc_mask	= 1 << AT91RM9200_ID_TC2,
	.type		= CLK_TYPE_PERIPHERAL,
};
static struct clk tc3_clk = {
	.name		= "tc3_clk",
	.pmc_mask	= 1 << AT91RM9200_ID_TC3,
	.type		= CLK_TYPE_PERIPHERAL,
};
static struct clk tc4_clk = {
	.name		= "tc4_clk",
	.pmc_mask	= 1 << AT91RM9200_ID_TC4,
	.type		= CLK_TYPE_PERIPHERAL,
};
static struct clk tc5_clk = {
	.name		= "tc5_clk",
	.pmc_mask	= 1 << AT91RM9200_ID_TC5,
	.type		= CLK_TYPE_PERIPHERAL,
};

static struct clk *periph_clocks[] __initdata = {
	&pioA_clk,
	&pioB_clk,
	&pioC_clk,
	&pioD_clk,
	&usart0_clk,
	&usart1_clk,
	&usart2_clk,
	&usart3_clk,
	&mmc_clk,
	&udc_clk,
	&twi_clk,
	&spi_clk,
	&ssc0_clk,
	&ssc1_clk,
	&ssc2_clk,
	&tc0_clk,
	&tc1_clk,
	&tc2_clk,
	&tc3_clk,
	&tc4_clk,
	&tc5_clk,
	&ohci_clk,
	&ether_clk,
	// irq0 .. irq6
};

static struct clk_lookup periph_clocks_lookups[] = {
	CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tc0_clk),
	CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.0", &tc1_clk),
	CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.0", &tc2_clk),
	CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.1", &tc3_clk),
	CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.1", &tc4_clk),
	CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.1", &tc5_clk),
	CLKDEV_CON_DEV_ID("pclk", "at91rm9200_ssc.0", &ssc0_clk),
	CLKDEV_CON_DEV_ID("pclk", "at91rm9200_ssc.1", &ssc1_clk),
	CLKDEV_CON_DEV_ID("pclk", "at91rm9200_ssc.2", &ssc2_clk),
	CLKDEV_CON_DEV_ID("pclk", "fffd0000.ssc", &ssc0_clk),
	CLKDEV_CON_DEV_ID("pclk", "fffd4000.ssc", &ssc1_clk),
	CLKDEV_CON_DEV_ID("pclk", "fffd8000.ssc", &ssc2_clk),
	CLKDEV_CON_DEV_ID(NULL, "i2c-at91rm9200.0", &twi_clk),
	/* fake hclk clock */
	CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &ohci_clk),
	CLKDEV_CON_ID("pioA", &pioA_clk),
	CLKDEV_CON_ID("pioB", &pioB_clk),
	CLKDEV_CON_ID("pioC", &pioC_clk),
	CLKDEV_CON_ID("pioD", &pioD_clk),
	/* usart lookup table for DT entries */
	CLKDEV_CON_DEV_ID("usart", "fffff200.serial", &mck),
	CLKDEV_CON_DEV_ID("usart", "fffc0000.serial", &usart0_clk),
	CLKDEV_CON_DEV_ID("usart", "fffc4000.serial", &usart1_clk),
	CLKDEV_CON_DEV_ID("usart", "fffc8000.serial", &usart2_clk),
	CLKDEV_CON_DEV_ID("usart", "fffcc000.serial", &usart3_clk),
	/* tc lookup table for DT entries */
	CLKDEV_CON_DEV_ID("t0_clk", "fffa0000.timer", &tc0_clk),
	CLKDEV_CON_DEV_ID("t1_clk", "fffa0000.timer", &tc1_clk),
	CLKDEV_CON_DEV_ID("t2_clk", "fffa0000.timer", &tc2_clk),
	CLKDEV_CON_DEV_ID("t0_clk", "fffa4000.timer", &tc3_clk),
	CLKDEV_CON_DEV_ID("t1_clk", "fffa4000.timer", &tc4_clk),
	CLKDEV_CON_DEV_ID("t2_clk", "fffa4000.timer", &tc5_clk),
	CLKDEV_CON_DEV_ID("mci_clk", "fffb4000.mmc", &mmc_clk),
	CLKDEV_CON_DEV_ID("emac_clk", "fffbc000.ethernet", &ether_clk),
	CLKDEV_CON_DEV_ID(NULL, "fffb8000.i2c", &twi_clk),
	CLKDEV_CON_DEV_ID("hclk", "300000.ohci", &ohci_clk),
	CLKDEV_CON_DEV_ID(NULL, "fffff400.gpio", &pioA_clk),
	CLKDEV_CON_DEV_ID(NULL, "fffff600.gpio", &pioB_clk),
	CLKDEV_CON_DEV_ID(NULL, "fffff800.gpio", &pioC_clk),
	CLKDEV_CON_DEV_ID(NULL, "fffffa00.gpio", &pioD_clk),
};

static struct clk_lookup usart_clocks_lookups[] = {
	CLKDEV_CON_DEV_ID("usart", "atmel_usart.0", &mck),
	CLKDEV_CON_DEV_ID("usart", "atmel_usart.1", &usart0_clk),
	CLKDEV_CON_DEV_ID("usart", "atmel_usart.2", &usart1_clk),
	CLKDEV_CON_DEV_ID("usart", "atmel_usart.3", &usart2_clk),
	CLKDEV_CON_DEV_ID("usart", "atmel_usart.4", &usart3_clk),
};

/*
 * The four programmable clocks.
 * You must configure pin multiplexing to bring these signals out.
 */
static struct clk pck0 = {
	.name		= "pck0",
	.pmc_mask	= AT91_PMC_PCK0,
	.type		= CLK_TYPE_PROGRAMMABLE,
	.id		= 0,
};
static struct clk pck1 = {
	.name		= "pck1",
	.pmc_mask	= AT91_PMC_PCK1,
	.type		= CLK_TYPE_PROGRAMMABLE,
	.id		= 1,
};
static struct clk pck2 = {
	.name		= "pck2",
	.pmc_mask	= AT91_PMC_PCK2,
	.type		= CLK_TYPE_PROGRAMMABLE,
	.id		= 2,
};
static struct clk pck3 = {
	.name		= "pck3",
	.pmc_mask	= AT91_PMC_PCK3,
	.type		= CLK_TYPE_PROGRAMMABLE,
	.id		= 3,
};

static void __init at91rm9200_register_clocks(void)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(periph_clocks); i++)
		clk_register(periph_clocks[i]);

	clkdev_add_table(periph_clocks_lookups,
			 ARRAY_SIZE(periph_clocks_lookups));
	clkdev_add_table(usart_clocks_lookups,
			 ARRAY_SIZE(usart_clocks_lookups));

	clk_register(&pck0);
	clk_register(&pck1);
	clk_register(&pck2);
	clk_register(&pck3);
}
#else
#define at91rm9200_register_clocks NULL
#endif

/* --------------------------------------------------------------------
 *  GPIO
 * -------------------------------------------------------------------- */

static struct at91_gpio_bank at91rm9200_gpio[] __initdata = {
	{
		.id		= AT91RM9200_ID_PIOA,
		.regbase	= AT91RM9200_BASE_PIOA,
	}, {
		.id		= AT91RM9200_ID_PIOB,
		.regbase	= AT91RM9200_BASE_PIOB,
	}, {
		.id		= AT91RM9200_ID_PIOC,
		.regbase	= AT91RM9200_BASE_PIOC,
	}, {
		.id		= AT91RM9200_ID_PIOD,
		.regbase	= AT91RM9200_BASE_PIOD,
	}
};

static void at91rm9200_idle(void)
{
	/*
	 * Disable the processor clock.  The processor will be automatically
	 * re-enabled by an interrupt or by a reset.
	 */
	at91_pmc_write(AT91_PMC_SCDR, AT91_PMC_PCK);
}

static void at91rm9200_restart(enum reboot_mode reboot_mode, const char *cmd)
{
	/*
	 * Perform a hardware reset with the use of the Watchdog timer.
	 */
	at91_st_write(AT91_ST_WDMR, AT91_ST_RSTEN | AT91_ST_EXTEN | 1);
	at91_st_write(AT91_ST_CR, AT91_ST_WDRST);
}

/* --------------------------------------------------------------------
 *  AT91RM9200 processor initialization
 * -------------------------------------------------------------------- */
static void __init at91rm9200_map_io(void)
{
	/* Map peripherals */
	at91_init_sram(0, AT91RM9200_SRAM_BASE, AT91RM9200_SRAM_SIZE);
}

static void __init at91rm9200_ioremap_registers(void)
{
	at91rm9200_ioremap_st(AT91RM9200_BASE_ST);
	at91_ioremap_ramc(0, AT91RM9200_BASE_MC, 256);
	at91_pm_set_standby(at91rm9200_standby);
}

static void __init at91rm9200_initialize(void)
{
	arm_pm_idle = at91rm9200_idle;
	arm_pm_restart = at91rm9200_restart;

	/* Initialize GPIO subsystem */
	at91_gpio_init(at91rm9200_gpio,
		cpu_is_at91rm9200_bga() ? AT91RM9200_BGA : AT91RM9200_PQFP);
}


/* --------------------------------------------------------------------
 *  Interrupt initialization
 * -------------------------------------------------------------------- */

/*
 * The default interrupt priority levels (0 = lowest, 7 = highest).
 */
static unsigned int at91rm9200_default_irq_priority[NR_AIC_IRQS] __initdata = {
	7,	/* Advanced Interrupt Controller (FIQ) */
	7,	/* System Peripherals */
	1,	/* Parallel IO Controller A */
	1,	/* Parallel IO Controller B */
	1,	/* Parallel IO Controller C */
	1,	/* Parallel IO Controller D */
	5,	/* USART 0 */
	5,	/* USART 1 */
	5,	/* USART 2 */
	5,	/* USART 3 */
	0,	/* Multimedia Card Interface */
	2,	/* USB Device Port */
	6,	/* Two-Wire Interface */
	5,	/* Serial Peripheral Interface */
	4,	/* Serial Synchronous Controller 0 */
	4,	/* Serial Synchronous Controller 1 */
	4,	/* Serial Synchronous Controller 2 */
	0,	/* Timer Counter 0 */
	0,	/* Timer Counter 1 */
	0,	/* Timer Counter 2 */
	0,	/* Timer Counter 3 */
	0,	/* Timer Counter 4 */
	0,	/* Timer Counter 5 */
	2,	/* USB Host port */
	3,	/* Ethernet MAC */
	0,	/* Advanced Interrupt Controller (IRQ0) */
	0,	/* Advanced Interrupt Controller (IRQ1) */
	0,	/* Advanced Interrupt Controller (IRQ2) */
	0,	/* Advanced Interrupt Controller (IRQ3) */
	0,	/* Advanced Interrupt Controller (IRQ4) */
	0,	/* Advanced Interrupt Controller (IRQ5) */
	0	/* Advanced Interrupt Controller (IRQ6) */
};

AT91_SOC_START(at91rm9200)
	.map_io = at91rm9200_map_io,
	.default_irq_priority = at91rm9200_default_irq_priority,
	.extern_irq = (1 << AT91RM9200_ID_IRQ0) | (1 << AT91RM9200_ID_IRQ1)
		    | (1 << AT91RM9200_ID_IRQ2) | (1 << AT91RM9200_ID_IRQ3)
		    | (1 << AT91RM9200_ID_IRQ4) | (1 << AT91RM9200_ID_IRQ5)
		    | (1 << AT91RM9200_ID_IRQ6),
	.ioremap_registers = at91rm9200_ioremap_registers,
	.register_clocks = at91rm9200_register_clocks,
	.init = at91rm9200_initialize,
AT91_SOC_END
Commit	Line	Data
	1	/*
	2	* arch/arm/mach-at91/at91rm9200.c
	3	*
	4	* Copyright (C) 2005 SAN People
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	*/
	12
	13	#include <linux/module.h>
	14	#include <linux/reboot.h>
	15	#include <linux/clk/at91_pmc.h>
	16
	17	#include <asm/irq.h>
	18	#include <asm/mach/arch.h>
	19	#include <asm/mach/map.h>
	20	#include <asm/system_misc.h>
	21	#include <mach/at91rm9200.h>
	22	#include <mach/at91_st.h>
	23	#include <mach/cpu.h>
	24	#include <mach/hardware.h>
	25
	26	#include "at91_aic.h"
	27	#include "soc.h"
	28	#include "generic.h"
	29	#include "sam9_smc.h"
	30	#include "pm.h"
	31
	32	#if defined(CONFIG_OLD_CLK_AT91)
	33	#include "clock.h"
	34	/* --------------------------------------------------------------------
	35	* Clocks
	36	* -------------------------------------------------------------------- */
	37
	38	/*
	39	* The peripheral clocks.
	40	*/
	41	static struct clk udc_clk = {
	42	.name = "udc_clk",
	43	.pmc_mask = 1 << AT91RM9200_ID_UDP,
	44	.type = CLK_TYPE_PERIPHERAL,
	45	};
	46	static struct clk ohci_clk = {
	47	.name = "ohci_clk",
	48	.pmc_mask = 1 << AT91RM9200_ID_UHP,
	49	.type = CLK_TYPE_PERIPHERAL,
	50	};
	51	static struct clk ether_clk = {
	52	.name = "ether_clk",
	53	.pmc_mask = 1 << AT91RM9200_ID_EMAC,
	54	.type = CLK_TYPE_PERIPHERAL,
	55	};
	56	static struct clk mmc_clk = {
	57	.name = "mci_clk",
	58	.pmc_mask = 1 << AT91RM9200_ID_MCI,
	59	.type = CLK_TYPE_PERIPHERAL,
	60	};
	61	static struct clk twi_clk = {
	62	.name = "twi_clk",
	63	.pmc_mask = 1 << AT91RM9200_ID_TWI,
	64	.type = CLK_TYPE_PERIPHERAL,
	65	};
	66	static struct clk usart0_clk = {
	67	.name = "usart0_clk",
	68	.pmc_mask = 1 << AT91RM9200_ID_US0,
	69	.type = CLK_TYPE_PERIPHERAL,
	70	};
	71	static struct clk usart1_clk = {
	72	.name = "usart1_clk",
	73	.pmc_mask = 1 << AT91RM9200_ID_US1,
	74	.type = CLK_TYPE_PERIPHERAL,
	75	};
	76	static struct clk usart2_clk = {
	77	.name = "usart2_clk",
	78	.pmc_mask = 1 << AT91RM9200_ID_US2,
	79	.type = CLK_TYPE_PERIPHERAL,
	80	};
	81	static struct clk usart3_clk = {
	82	.name = "usart3_clk",
	83	.pmc_mask = 1 << AT91RM9200_ID_US3,
	84	.type = CLK_TYPE_PERIPHERAL,
	85	};
	86	static struct clk spi_clk = {
	87	.name = "spi_clk",
	88	.pmc_mask = 1 << AT91RM9200_ID_SPI,
	89	.type = CLK_TYPE_PERIPHERAL,
	90	};
	91	static struct clk pioA_clk = {
	92	.name = "pioA_clk",
	93	.pmc_mask = 1 << AT91RM9200_ID_PIOA,
	94	.type = CLK_TYPE_PERIPHERAL,
	95	};
	96	static struct clk pioB_clk = {
	97	.name = "pioB_clk",
	98	.pmc_mask = 1 << AT91RM9200_ID_PIOB,
	99	.type = CLK_TYPE_PERIPHERAL,
	100	};
	101	static struct clk pioC_clk = {
	102	.name = "pioC_clk",
	103	.pmc_mask = 1 << AT91RM9200_ID_PIOC,
	104	.type = CLK_TYPE_PERIPHERAL,
	105	};
	106	static struct clk pioD_clk = {
	107	.name = "pioD_clk",
	108	.pmc_mask = 1 << AT91RM9200_ID_PIOD,
	109	.type = CLK_TYPE_PERIPHERAL,
	110	};
	111	static struct clk ssc0_clk = {
	112	.name = "ssc0_clk",
	113	.pmc_mask = 1 << AT91RM9200_ID_SSC0,
	114	.type = CLK_TYPE_PERIPHERAL,
	115	};
	116	static struct clk ssc1_clk = {
	117	.name = "ssc1_clk",
	118	.pmc_mask = 1 << AT91RM9200_ID_SSC1,
	119	.type = CLK_TYPE_PERIPHERAL,
	120	};
	121	static struct clk ssc2_clk = {
	122	.name = "ssc2_clk",
	123	.pmc_mask = 1 << AT91RM9200_ID_SSC2,
	124	.type = CLK_TYPE_PERIPHERAL,
	125	};
	126	static struct clk tc0_clk = {
	127	.name = "tc0_clk",
	128	.pmc_mask = 1 << AT91RM9200_ID_TC0,
	129	.type = CLK_TYPE_PERIPHERAL,
	130	};
	131	static struct clk tc1_clk = {
	132	.name = "tc1_clk",
	133	.pmc_mask = 1 << AT91RM9200_ID_TC1,
	134	.type = CLK_TYPE_PERIPHERAL,
	135	};
	136	static struct clk tc2_clk = {
	137	.name = "tc2_clk",
	138	.pmc_mask = 1 << AT91RM9200_ID_TC2,
	139	.type = CLK_TYPE_PERIPHERAL,
	140	};
	141	static struct clk tc3_clk = {
	142	.name = "tc3_clk",
	143	.pmc_mask = 1 << AT91RM9200_ID_TC3,
	144	.type = CLK_TYPE_PERIPHERAL,
	145	};
	146	static struct clk tc4_clk = {
	147	.name = "tc4_clk",
	148	.pmc_mask = 1 << AT91RM9200_ID_TC4,
	149	.type = CLK_TYPE_PERIPHERAL,
	150	};
	151	static struct clk tc5_clk = {
	152	.name = "tc5_clk",
	153	.pmc_mask = 1 << AT91RM9200_ID_TC5,
	154	.type = CLK_TYPE_PERIPHERAL,
	155	};
	156
	157	static struct clk *periph_clocks[] __initdata = {
	158	&pioA_clk,
	159	&pioB_clk,
	160	&pioC_clk,
	161	&pioD_clk,
	162	&usart0_clk,
	163	&usart1_clk,
	164	&usart2_clk,
	165	&usart3_clk,
	166	&mmc_clk,
	167	&udc_clk,
	168	&twi_clk,
	169	&spi_clk,
	170	&ssc0_clk,
	171	&ssc1_clk,
	172	&ssc2_clk,
	173	&tc0_clk,
	174	&tc1_clk,
	175	&tc2_clk,
	176	&tc3_clk,
	177	&tc4_clk,
	178	&tc5_clk,
	179	&ohci_clk,
	180	&ether_clk,
	181	// irq0 .. irq6
	182	};
	183
	184	static struct clk_lookup periph_clocks_lookups[] = {
	185	CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tc0_clk),
	186	CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.0", &tc1_clk),
	187	CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.0", &tc2_clk),
	188	CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.1", &tc3_clk),
	189	CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.1", &tc4_clk),
	190	CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.1", &tc5_clk),
	191	CLKDEV_CON_DEV_ID("pclk", "at91rm9200_ssc.0", &ssc0_clk),
	192	CLKDEV_CON_DEV_ID("pclk", "at91rm9200_ssc.1", &ssc1_clk),
	193	CLKDEV_CON_DEV_ID("pclk", "at91rm9200_ssc.2", &ssc2_clk),
	194	CLKDEV_CON_DEV_ID("pclk", "fffd0000.ssc", &ssc0_clk),
	195	CLKDEV_CON_DEV_ID("pclk", "fffd4000.ssc", &ssc1_clk),
	196	CLKDEV_CON_DEV_ID("pclk", "fffd8000.ssc", &ssc2_clk),
	197	CLKDEV_CON_DEV_ID(NULL, "i2c-at91rm9200.0", &twi_clk),
	198	/* fake hclk clock */
	199	CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &ohci_clk),
	200	CLKDEV_CON_ID("pioA", &pioA_clk),
	201	CLKDEV_CON_ID("pioB", &pioB_clk),
	202	CLKDEV_CON_ID("pioC", &pioC_clk),
	203	CLKDEV_CON_ID("pioD", &pioD_clk),
	204	/* usart lookup table for DT entries */
	205	CLKDEV_CON_DEV_ID("usart", "fffff200.serial", &mck),
	206	CLKDEV_CON_DEV_ID("usart", "fffc0000.serial", &usart0_clk),
	207	CLKDEV_CON_DEV_ID("usart", "fffc4000.serial", &usart1_clk),
	208	CLKDEV_CON_DEV_ID("usart", "fffc8000.serial", &usart2_clk),
	209	CLKDEV_CON_DEV_ID("usart", "fffcc000.serial", &usart3_clk),
	210	/* tc lookup table for DT entries */
	211	CLKDEV_CON_DEV_ID("t0_clk", "fffa0000.timer", &tc0_clk),
	212	CLKDEV_CON_DEV_ID("t1_clk", "fffa0000.timer", &tc1_clk),
	213	CLKDEV_CON_DEV_ID("t2_clk", "fffa0000.timer", &tc2_clk),
	214	CLKDEV_CON_DEV_ID("t0_clk", "fffa4000.timer", &tc3_clk),
	215	CLKDEV_CON_DEV_ID("t1_clk", "fffa4000.timer", &tc4_clk),
	216	CLKDEV_CON_DEV_ID("t2_clk", "fffa4000.timer", &tc5_clk),
	217	CLKDEV_CON_DEV_ID("mci_clk", "fffb4000.mmc", &mmc_clk),
	218	CLKDEV_CON_DEV_ID("emac_clk", "fffbc000.ethernet", &ether_clk),
	219	CLKDEV_CON_DEV_ID(NULL, "fffb8000.i2c", &twi_clk),
	220	CLKDEV_CON_DEV_ID("hclk", "300000.ohci", &ohci_clk),
	221	CLKDEV_CON_DEV_ID(NULL, "fffff400.gpio", &pioA_clk),
	222	CLKDEV_CON_DEV_ID(NULL, "fffff600.gpio", &pioB_clk),
	223	CLKDEV_CON_DEV_ID(NULL, "fffff800.gpio", &pioC_clk),
	224	CLKDEV_CON_DEV_ID(NULL, "fffffa00.gpio", &pioD_clk),
	225	};
	226
	227	static struct clk_lookup usart_clocks_lookups[] = {
	228	CLKDEV_CON_DEV_ID("usart", "atmel_usart.0", &mck),
	229	CLKDEV_CON_DEV_ID("usart", "atmel_usart.1", &usart0_clk),
	230	CLKDEV_CON_DEV_ID("usart", "atmel_usart.2", &usart1_clk),
	231	CLKDEV_CON_DEV_ID("usart", "atmel_usart.3", &usart2_clk),
	232	CLKDEV_CON_DEV_ID("usart", "atmel_usart.4", &usart3_clk),
	233	};
	234
	235	/*
	236	* The four programmable clocks.
	237	* You must configure pin multiplexing to bring these signals out.
	238	*/
	239	static struct clk pck0 = {
	240	.name = "pck0",
	241	.pmc_mask = AT91_PMC_PCK0,
	242	.type = CLK_TYPE_PROGRAMMABLE,
	243	.id = 0,
	244	};
	245	static struct clk pck1 = {
	246	.name = "pck1",
	247	.pmc_mask = AT91_PMC_PCK1,
	248	.type = CLK_TYPE_PROGRAMMABLE,
	249	.id = 1,
	250	};
	251	static struct clk pck2 = {
	252	.name = "pck2",
	253	.pmc_mask = AT91_PMC_PCK2,
	254	.type = CLK_TYPE_PROGRAMMABLE,
	255	.id = 2,
	256	};
	257	static struct clk pck3 = {
	258	.name = "pck3",
	259	.pmc_mask = AT91_PMC_PCK3,
	260	.type = CLK_TYPE_PROGRAMMABLE,
	261	.id = 3,
	262	};
	263
	264	static void __init at91rm9200_register_clocks(void)
	265	{
	266	int i;
	267
	268	for (i = 0; i < ARRAY_SIZE(periph_clocks); i++)
	269	clk_register(periph_clocks[i]);
	270
	271	clkdev_add_table(periph_clocks_lookups,
	272	ARRAY_SIZE(periph_clocks_lookups));
	273	clkdev_add_table(usart_clocks_lookups,
	274	ARRAY_SIZE(usart_clocks_lookups));
	275
	276	clk_register(&pck0);
	277	clk_register(&pck1);
	278	clk_register(&pck2);
	279	clk_register(&pck3);
	280	}
	281	#else
	282	#define at91rm9200_register_clocks NULL
	283	#endif
	284
	285	/* --------------------------------------------------------------------
	286	* GPIO
	287	* -------------------------------------------------------------------- */
	288
	289	static struct at91_gpio_bank at91rm9200_gpio[] __initdata = {
	290	{
	291	.id = AT91RM9200_ID_PIOA,
	292	.regbase = AT91RM9200_BASE_PIOA,
	293	}, {
	294	.id = AT91RM9200_ID_PIOB,
	295	.regbase = AT91RM9200_BASE_PIOB,
	296	}, {
	297	.id = AT91RM9200_ID_PIOC,
	298	.regbase = AT91RM9200_BASE_PIOC,
	299	}, {
	300	.id = AT91RM9200_ID_PIOD,
	301	.regbase = AT91RM9200_BASE_PIOD,
	302	}
	303	};
	304
	305	static void at91rm9200_idle(void)
	306	{
	307	/*
	308	* Disable the processor clock. The processor will be automatically
	309	* re-enabled by an interrupt or by a reset.
	310	*/
	311	at91_pmc_write(AT91_PMC_SCDR, AT91_PMC_PCK);
	312	}
	313
	314	static void at91rm9200_restart(enum reboot_mode reboot_mode, const char *cmd)
	315	{
	316	/*
	317	* Perform a hardware reset with the use of the Watchdog timer.
	318	*/
	319	at91_st_write(AT91_ST_WDMR, AT91_ST_RSTEN \| AT91_ST_EXTEN \| 1);
	320	at91_st_write(AT91_ST_CR, AT91_ST_WDRST);
	321	}
	322
	323	/* --------------------------------------------------------------------
	324	* AT91RM9200 processor initialization
	325	* -------------------------------------------------------------------- */
	326	static void __init at91rm9200_map_io(void)
	327	{
	328	/* Map peripherals */
	329	at91_init_sram(0, AT91RM9200_SRAM_BASE, AT91RM9200_SRAM_SIZE);
	330	}
	331
	332	static void __init at91rm9200_ioremap_registers(void)
	333	{
	334	at91rm9200_ioremap_st(AT91RM9200_BASE_ST);
	335	at91_ioremap_ramc(0, AT91RM9200_BASE_MC, 256);
	336	at91_pm_set_standby(at91rm9200_standby);
	337	}
	338
	339	static void __init at91rm9200_initialize(void)
	340	{
	341	arm_pm_idle = at91rm9200_idle;
	342	arm_pm_restart = at91rm9200_restart;
	343
	344	/* Initialize GPIO subsystem */
	345	at91_gpio_init(at91rm9200_gpio,
	346	cpu_is_at91rm9200_bga() ? AT91RM9200_BGA : AT91RM9200_PQFP);
	347	}
	348
	349
	350	/* --------------------------------------------------------------------
	351	* Interrupt initialization
	352	* -------------------------------------------------------------------- */
	353
	354	/*
	355	* The default interrupt priority levels (0 = lowest, 7 = highest).
	356	*/
	357	static unsigned int at91rm9200_default_irq_priority[NR_AIC_IRQS] __initdata = {
	358	7, /* Advanced Interrupt Controller (FIQ) */
	359	7, /* System Peripherals */
	360	1, /* Parallel IO Controller A */
	361	1, /* Parallel IO Controller B */
	362	1, /* Parallel IO Controller C */
	363	1, /* Parallel IO Controller D */
	364	5, /* USART 0 */
	365	5, /* USART 1 */
	366	5, /* USART 2 */
	367	5, /* USART 3 */
	368	0, /* Multimedia Card Interface */
	369	2, /* USB Device Port */
	370	6, /* Two-Wire Interface */
	371	5, /* Serial Peripheral Interface */
	372	4, /* Serial Synchronous Controller 0 */
	373	4, /* Serial Synchronous Controller 1 */
	374	4, /* Serial Synchronous Controller 2 */
	375	0, /* Timer Counter 0 */
	376	0, /* Timer Counter 1 */
	377	0, /* Timer Counter 2 */
	378	0, /* Timer Counter 3 */
	379	0, /* Timer Counter 4 */
	380	0, /* Timer Counter 5 */
	381	2, /* USB Host port */
	382	3, /* Ethernet MAC */
	383	0, /* Advanced Interrupt Controller (IRQ0) */
	384	0, /* Advanced Interrupt Controller (IRQ1) */
	385	0, /* Advanced Interrupt Controller (IRQ2) */
	386	0, /* Advanced Interrupt Controller (IRQ3) */
	387	0, /* Advanced Interrupt Controller (IRQ4) */
	388	0, /* Advanced Interrupt Controller (IRQ5) */
	389	0 /* Advanced Interrupt Controller (IRQ6) */
	390	};
	391
	392	AT91_SOC_START(at91rm9200)
	393	.map_io = at91rm9200_map_io,
	394	.default_irq_priority = at91rm9200_default_irq_priority,
	395	.extern_irq = (1 << AT91RM9200_ID_IRQ0) \| (1 << AT91RM9200_ID_IRQ1)
	396	\| (1 << AT91RM9200_ID_IRQ2) \| (1 << AT91RM9200_ID_IRQ3)
	397	\| (1 << AT91RM9200_ID_IRQ4) \| (1 << AT91RM9200_ID_IRQ5)
	398	\| (1 << AT91RM9200_ID_IRQ6),
	399	.ioremap_registers = at91rm9200_ioremap_registers,
	400	.register_clocks = at91rm9200_register_clocks,
	401	.init = at91rm9200_initialize,
	402	AT91_SOC_END