[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 <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_pmc.h>
#include <mach/at91_st.h>
#include <mach/cpu.h>

#include "at91_aic.h"
#include "soc.h"
#include "generic.h"
#include "clock.h"
#include "sam9_smc.h"
#include "pm.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);
}

/* --------------------------------------------------------------------
 *  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);
}

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);

	at91_pm_set_standby(at91rm9200_standby);
}


/* --------------------------------------------------------------------
 *  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
73a59c1c	1	/*
9d041268	2	* arch/arm/mach-at91/at91rm9200.c
73a59c1c SP	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
73a59c1c	13	#include <linux/module.h>
7b6d864b	14	#include <linux/reboot.h>
73a59c1c	15
80b02c17	16	#include <asm/irq.h>
73a59c1c SP	17	#include <asm/mach/arch.h>
73a59c1c SP	18	#include <asm/mach/map.h>
9f97da78	19	#include <asm/system_misc.h>
a09e64fb RK	20	#include <mach/at91rm9200.h>
	21	#include <mach/at91_pmc.h>
	22	#include <mach/at91_st.h>
e57556e3	23	#include <mach/cpu.h>
73a59c1c	24
a510b9ba	25	#include "at91_aic.h"
21d08b9d	26	#include "soc.h"
10e8e1fb	27	#include "generic.h"
2eeaaa21	28	#include "clock.h"
faee0cc3	29	#include "sam9_smc.h"
5ad945ea	30	#include "pm.h"
73a59c1c	31
2eeaaa21 AV	32	/* --------------------------------------------------------------------
	33	* Clocks
	34	* -------------------------------------------------------------------- */
	35
	36	/*
	37	* The peripheral clocks.
	38	*/
	39	static struct clk udc_clk = {
	40	.name = "udc_clk",
	41	.pmc_mask = 1 << AT91RM9200_ID_UDP,
	42	.type = CLK_TYPE_PERIPHERAL,
	43	};
	44	static struct clk ohci_clk = {
	45	.name = "ohci_clk",
	46	.pmc_mask = 1 << AT91RM9200_ID_UHP,
	47	.type = CLK_TYPE_PERIPHERAL,
	48	};
	49	static struct clk ether_clk = {
	50	.name = "ether_clk",
	51	.pmc_mask = 1 << AT91RM9200_ID_EMAC,
	52	.type = CLK_TYPE_PERIPHERAL,
	53	};
	54	static struct clk mmc_clk = {
	55	.name = "mci_clk",
	56	.pmc_mask = 1 << AT91RM9200_ID_MCI,
	57	.type = CLK_TYPE_PERIPHERAL,
	58	};
	59	static struct clk twi_clk = {
	60	.name = "twi_clk",
	61	.pmc_mask = 1 << AT91RM9200_ID_TWI,
	62	.type = CLK_TYPE_PERIPHERAL,
	63	};
	64	static struct clk usart0_clk = {
	65	.name = "usart0_clk",
	66	.pmc_mask = 1 << AT91RM9200_ID_US0,
	67	.type = CLK_TYPE_PERIPHERAL,
	68	};
	69	static struct clk usart1_clk = {
	70	.name = "usart1_clk",
	71	.pmc_mask = 1 << AT91RM9200_ID_US1,
	72	.type = CLK_TYPE_PERIPHERAL,
	73	};
	74	static struct clk usart2_clk = {
	75	.name = "usart2_clk",
	76	.pmc_mask = 1 << AT91RM9200_ID_US2,
	77	.type = CLK_TYPE_PERIPHERAL,
	78	};
	79	static struct clk usart3_clk = {
	80	.name = "usart3_clk",
	81	.pmc_mask = 1 << AT91RM9200_ID_US3,
	82	.type = CLK_TYPE_PERIPHERAL,
	83	};
	84	static struct clk spi_clk = {
	85	.name = "spi_clk",
	86	.pmc_mask = 1 << AT91RM9200_ID_SPI,
	87	.type = CLK_TYPE_PERIPHERAL,
	88	};
	89	static struct clk pioA_clk = {
	90	.name = "pioA_clk",
	91	.pmc_mask = 1 << AT91RM9200_ID_PIOA,
	92	.type = CLK_TYPE_PERIPHERAL,
	93	};
	94	static struct clk pioB_clk = {
	95	.name = "pioB_clk",
96	.pmc_mask = 1 << AT91RM9200_ID_PIOB,
97	.type = CLK_TYPE_PERIPHERAL,
98	};
99	static struct clk pioC_clk = {
100	.name = "pioC_clk",
101	.pmc_mask = 1 << AT91RM9200_ID_PIOC,
102	.type = CLK_TYPE_PERIPHERAL,
103	};
104	static struct clk pioD_clk = {
105	.name = "pioD_clk",
106	.pmc_mask = 1 << AT91RM9200_ID_PIOD,
107	.type = CLK_TYPE_PERIPHERAL,
108	};
e8788bab AV	109	static struct clk ssc0_clk = {
	110	.name = "ssc0_clk",
	111	.pmc_mask = 1 << AT91RM9200_ID_SSC0,
	112	.type = CLK_TYPE_PERIPHERAL,
	113	};
	114	static struct clk ssc1_clk = {
	115	.name = "ssc1_clk",
	116	.pmc_mask = 1 << AT91RM9200_ID_SSC1,
	117	.type = CLK_TYPE_PERIPHERAL,
	118	};
	119	static struct clk ssc2_clk = {
	120	.name = "ssc2_clk",
	121	.pmc_mask = 1 << AT91RM9200_ID_SSC2,
	122	.type = CLK_TYPE_PERIPHERAL,
	123	};
c177a1e7 AV	124	static struct clk tc0_clk = {
	125	.name = "tc0_clk",
	126	.pmc_mask = 1 << AT91RM9200_ID_TC0,
	127	.type = CLK_TYPE_PERIPHERAL,
	128	};
	129	static struct clk tc1_clk = {
	130	.name = "tc1_clk",
	131	.pmc_mask = 1 << AT91RM9200_ID_TC1,
	132	.type = CLK_TYPE_PERIPHERAL,
	133	};
	134	static struct clk tc2_clk = {
	135	.name = "tc2_clk",
	136	.pmc_mask = 1 << AT91RM9200_ID_TC2,
	137	.type = CLK_TYPE_PERIPHERAL,
	138	};
	139	static struct clk tc3_clk = {
	140	.name = "tc3_clk",
	141	.pmc_mask = 1 << AT91RM9200_ID_TC3,
	142	.type = CLK_TYPE_PERIPHERAL,
	143	};
	144	static struct clk tc4_clk = {
	145	.name = "tc4_clk",
	146	.pmc_mask = 1 << AT91RM9200_ID_TC4,
	147	.type = CLK_TYPE_PERIPHERAL,
	148	};
	149	static struct clk tc5_clk = {
	150	.name = "tc5_clk",
	151	.pmc_mask = 1 << AT91RM9200_ID_TC5,
	152	.type = CLK_TYPE_PERIPHERAL,
	153	};
2eeaaa21 AV	154
	155	static struct clk *periph_clocks[] __initdata = {
	156	&pioA_clk,
	157	&pioB_clk,
	158	&pioC_clk,
	159	&pioD_clk,
	160	&usart0_clk,
	161	&usart1_clk,
	162	&usart2_clk,
	163	&usart3_clk,
	164	&mmc_clk,
	165	&udc_clk,
	166	&twi_clk,
	167	&spi_clk,
e8788bab AV	168	&ssc0_clk,
	169	&ssc1_clk,
	170	&ssc2_clk,
c177a1e7 AV	171	&tc0_clk,
	172	&tc1_clk,
	173	&tc2_clk,
	174	&tc3_clk,
	175	&tc4_clk,
	176	&tc5_clk,
2eeaaa21 AV	177	&ohci_clk,
	178	&ether_clk,
	179	// irq0 .. irq6
	180	};
	181
bd602995 JCPV	182	static struct clk_lookup periph_clocks_lookups[] = {
	183	CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tc0_clk),
	184	CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.0", &tc1_clk),
	185	CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.0", &tc2_clk),
	186	CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.1", &tc3_clk),
	187	CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.1", &tc4_clk),
	188	CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.1", &tc5_clk),
636036d2 BS	189	CLKDEV_CON_DEV_ID("pclk", "at91rm9200_ssc.0", &ssc0_clk),
	190	CLKDEV_CON_DEV_ID("pclk", "at91rm9200_ssc.1", &ssc1_clk),
	191	CLKDEV_CON_DEV_ID("pclk", "at91rm9200_ssc.2", &ssc2_clk),
099343c6 BS	192	CLKDEV_CON_DEV_ID("pclk", "fffd0000.ssc", &ssc0_clk),
	193	CLKDEV_CON_DEV_ID("pclk", "fffd4000.ssc", &ssc1_clk),
	194	CLKDEV_CON_DEV_ID("pclk", "fffd8000.ssc", &ssc2_clk),
302090a6	195	CLKDEV_CON_DEV_ID(NULL, "i2c-at91rm9200.0", &twi_clk),
0af4316b JCPV	196	/* fake hclk clock */
0af4316b JCPV	197	CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &ohci_clk),
619d4a4b JCPV	198	CLKDEV_CON_ID("pioA", &pioA_clk),
	199	CLKDEV_CON_ID("pioB", &pioB_clk),
	200	CLKDEV_CON_ID("pioC", &pioC_clk),
	201	CLKDEV_CON_ID("pioD", &pioD_clk),
0ac433a7 JE	202	/* usart lookup table for DT entries */
	203	CLKDEV_CON_DEV_ID("usart", "fffff200.serial", &mck),
	204	CLKDEV_CON_DEV_ID("usart", "fffc0000.serial", &usart0_clk),
	205	CLKDEV_CON_DEV_ID("usart", "fffc4000.serial", &usart1_clk),
	206	CLKDEV_CON_DEV_ID("usart", "fffc8000.serial", &usart2_clk),
	207	CLKDEV_CON_DEV_ID("usart", "fffcc000.serial", &usart3_clk),
	208	/* tc lookup table for DT entries */
	209	CLKDEV_CON_DEV_ID("t0_clk", "fffa0000.timer", &tc0_clk),
	210	CLKDEV_CON_DEV_ID("t1_clk", "fffa0000.timer", &tc1_clk),
	211	CLKDEV_CON_DEV_ID("t2_clk", "fffa0000.timer", &tc2_clk),
	212	CLKDEV_CON_DEV_ID("t0_clk", "fffa4000.timer", &tc3_clk),
	213	CLKDEV_CON_DEV_ID("t1_clk", "fffa4000.timer", &tc4_clk),
	214	CLKDEV_CON_DEV_ID("t2_clk", "fffa4000.timer", &tc5_clk),
4e4c963e	215	CLKDEV_CON_DEV_ID("mci_clk", "fffb4000.mmc", &mmc_clk),
ce3b2630	216	CLKDEV_CON_DEV_ID("emac_clk", "fffbc000.ethernet", &ether_clk),
2d25210d	217	CLKDEV_CON_DEV_ID(NULL, "fffb8000.i2c", &twi_clk),
0ac433a7 JE	218	CLKDEV_CON_DEV_ID("hclk", "300000.ohci", &ohci_clk),
	219	CLKDEV_CON_DEV_ID(NULL, "fffff400.gpio", &pioA_clk),
	220	CLKDEV_CON_DEV_ID(NULL, "fffff600.gpio", &pioB_clk),
	221	CLKDEV_CON_DEV_ID(NULL, "fffff800.gpio", &pioC_clk),
	222	CLKDEV_CON_DEV_ID(NULL, "fffffa00.gpio", &pioD_clk),
bd602995 JCPV	223	};
	224
	225	static struct clk_lookup usart_clocks_lookups[] = {
	226	CLKDEV_CON_DEV_ID("usart", "atmel_usart.0", &mck),
	227	CLKDEV_CON_DEV_ID("usart", "atmel_usart.1", &usart0_clk),
	228	CLKDEV_CON_DEV_ID("usart", "atmel_usart.2", &usart1_clk),
	229	CLKDEV_CON_DEV_ID("usart", "atmel_usart.3", &usart2_clk),
	230	CLKDEV_CON_DEV_ID("usart", "atmel_usart.4", &usart3_clk),
	231	};
	232
2eeaaa21 AV	233	/*
	234	* The four programmable clocks.
	235	* You must configure pin multiplexing to bring these signals out.
	236	*/
	237	static struct clk pck0 = {
	238	.name = "pck0",
	239	.pmc_mask = AT91_PMC_PCK0,
	240	.type = CLK_TYPE_PROGRAMMABLE,
	241	.id = 0,
	242	};
	243	static struct clk pck1 = {
	244	.name = "pck1",
	245	.pmc_mask = AT91_PMC_PCK1,
	246	.type = CLK_TYPE_PROGRAMMABLE,
	247	.id = 1,
	248	};
	249	static struct clk pck2 = {
	250	.name = "pck2",
	251	.pmc_mask = AT91_PMC_PCK2,
	252	.type = CLK_TYPE_PROGRAMMABLE,
	253	.id = 2,
	254	};
	255	static struct clk pck3 = {
	256	.name = "pck3",
	257	.pmc_mask = AT91_PMC_PCK3,
	258	.type = CLK_TYPE_PROGRAMMABLE,
	259	.id = 3,
	260	};
	261
	262	static void __init at91rm9200_register_clocks(void)
73a59c1c	263	{
2eeaaa21 AV	264	int i;
	265
	266	for (i = 0; i < ARRAY_SIZE(periph_clocks); i++)
	267	clk_register(periph_clocks[i]);
	268
bd602995 JCPV	269	clkdev_add_table(periph_clocks_lookups,
	270	ARRAY_SIZE(periph_clocks_lookups));
	271	clkdev_add_table(usart_clocks_lookups,
	272	ARRAY_SIZE(usart_clocks_lookups));
	273
2eeaaa21 AV	274	clk_register(&pck0);
	275	clk_register(&pck1);
	276	clk_register(&pck2);
	277	clk_register(&pck3);
	278	}
	279
f2173834 AV	280	/* --------------------------------------------------------------------
	281	* GPIO
	282	* -------------------------------------------------------------------- */
	283
1a2d9156	284	static struct at91_gpio_bank at91rm9200_gpio[] __initdata = {
f2173834 AV	285	{
f2173834 AV	286	.id = AT91RM9200_ID_PIOA,
80e91cb8	287	.regbase = AT91RM9200_BASE_PIOA,
f2173834 AV	288	}, {
f2173834 AV	289	.id = AT91RM9200_ID_PIOB,
80e91cb8	290	.regbase = AT91RM9200_BASE_PIOB,
f2173834 AV	291	}, {
f2173834 AV	292	.id = AT91RM9200_ID_PIOC,
80e91cb8	293	.regbase = AT91RM9200_BASE_PIOC,
f2173834 AV	294	}, {
f2173834 AV	295	.id = AT91RM9200_ID_PIOD,
80e91cb8	296	.regbase = AT91RM9200_BASE_PIOD,
f2173834 AV	297	}
f2173834 AV	298	};
2eeaaa21	299
c9dfafba NP	300	static void at91rm9200_idle(void)
	301	{
	302	/*
	303	* Disable the processor clock. The processor will be automatically
	304	* re-enabled by an interrupt or by a reset.
	305	*/
b5514952	306	at91_pmc_write(AT91_PMC_SCDR, AT91_PMC_PCK);
c9dfafba NP	307	}
c9dfafba NP	308
7b6d864b	309	static void at91rm9200_restart(enum reboot_mode reboot_mode, const char *cmd)
1f4fd0a0 AV	310	{
	311	/*
	312	* Perform a hardware reset with the use of the Watchdog timer.
	313	*/
5e9cf5e1 JCPV	314	at91_st_write(AT91_ST_WDMR, AT91_ST_RSTEN \| AT91_ST_EXTEN \| 1);
5e9cf5e1 JCPV	315	at91_st_write(AT91_ST_CR, AT91_ST_WDRST);
1f4fd0a0 AV	316	}
1f4fd0a0 AV	317
2eeaaa21 AV	318	/* --------------------------------------------------------------------
	319	* AT91RM9200 processor initialization
	320	* -------------------------------------------------------------------- */
21d08b9d	321	static void __init at91rm9200_map_io(void)
2eeaaa21 AV	322	{
2eeaaa21 AV	323	/* Map peripherals */
f0051d82	324	at91_init_sram(0, AT91RM9200_SRAM_BASE, AT91RM9200_SRAM_SIZE);
1b021a3b	325	}
2eeaaa21	326
cfa5a1fe JCPV	327	static void __init at91rm9200_ioremap_registers(void)
cfa5a1fe JCPV	328	{
5e9cf5e1	329	at91rm9200_ioremap_st(AT91RM9200_BASE_ST);
f363c407	330	at91_ioremap_ramc(0, AT91RM9200_BASE_MC, 256);
cfa5a1fe JCPV	331	}
cfa5a1fe JCPV	332
46539374	333	static void __init at91rm9200_initialize(void)
1b021a3b	334	{
c9dfafba	335	arm_pm_idle = at91rm9200_idle;
1b2073e7	336	arm_pm_restart = at91rm9200_restart;
1f4fd0a0	337
f2173834	338	/* Initialize GPIO subsystem */
e57556e3 JCPV	339	at91_gpio_init(at91rm9200_gpio,
e57556e3 JCPV	340	cpu_is_at91rm9200_bga() ? AT91RM9200_BGA : AT91RM9200_PQFP);
5ad945ea DL	341
5ad945ea DL	342	at91_pm_set_standby(at91rm9200_standby);
73a59c1c SP	343	}
73a59c1c SP	344
f2173834 AV	345
	346	/* --------------------------------------------------------------------
	347	* Interrupt initialization
	348	* -------------------------------------------------------------------- */
	349
ba854e18 AV	350	/*
	351	* The default interrupt priority levels (0 = lowest, 7 = highest).
	352	*/
	353	static unsigned int at91rm9200_default_irq_priority[NR_AIC_IRQS] __initdata = {
	354	7, /* Advanced Interrupt Controller (FIQ) */
	355	7, /* System Peripherals */
7cbed2b5 AV	356	1, /* Parallel IO Controller A */
	357	1, /* Parallel IO Controller B */
	358	1, /* Parallel IO Controller C */
	359	1, /* Parallel IO Controller D */
	360	5, /* USART 0 */
	361	5, /* USART 1 */
	362	5, /* USART 2 */
	363	5, /* USART 3 */
ba854e18	364	0, /* Multimedia Card Interface */
7cbed2b5 AV	365	2, /* USB Device Port */
	366	6, /* Two-Wire Interface */
	367	5, /* Serial Peripheral Interface */
	368	4, /* Serial Synchronous Controller 0 */
	369	4, /* Serial Synchronous Controller 1 */
	370	4, /* Serial Synchronous Controller 2 */
ba854e18 AV	371	0, /* Timer Counter 0 */
	372	0, /* Timer Counter 1 */
	373	0, /* Timer Counter 2 */
	374	0, /* Timer Counter 3 */
	375	0, /* Timer Counter 4 */
	376	0, /* Timer Counter 5 */
7cbed2b5	377	2, /* USB Host port */
ba854e18 AV	378	3, /* Ethernet MAC */
	379	0, /* Advanced Interrupt Controller (IRQ0) */
	380	0, /* Advanced Interrupt Controller (IRQ1) */
	381	0, /* Advanced Interrupt Controller (IRQ2) */
	382	0, /* Advanced Interrupt Controller (IRQ3) */
	383	0, /* Advanced Interrupt Controller (IRQ4) */
	384	0, /* Advanced Interrupt Controller (IRQ5) */
	385	0 /* Advanced Interrupt Controller (IRQ6) */
	386	};
	387
84ddb087	388	AT91_SOC_START(at91rm9200)
21d08b9d	389	.map_io = at91rm9200_map_io,
92100c12	390	.default_irq_priority = at91rm9200_default_irq_priority,
546c830c JCPV	391	.extern_irq = (1 << AT91RM9200_ID_IRQ0) \| (1 << AT91RM9200_ID_IRQ1)
	392	\| (1 << AT91RM9200_ID_IRQ2) \| (1 << AT91RM9200_ID_IRQ3)
	393	\| (1 << AT91RM9200_ID_IRQ4) \| (1 << AT91RM9200_ID_IRQ5)
	394	\| (1 << AT91RM9200_ID_IRQ6),
cfa5a1fe	395	.ioremap_registers = at91rm9200_ioremap_registers,
51ddec76	396	.register_clocks = at91rm9200_register_clocks,
21d08b9d	397	.init = at91rm9200_initialize,
8d39e0fd	398	AT91_SOC_END