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							- /*
 
-  * arch/arm/mach-at91/at91sam9260.c
 
-  *
 
-  *  Copyright (C) 2006 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 <asm/proc-fns.h>
 
- #include <asm/irq.h>
 
- #include <asm/mach/arch.h>
 
- #include <asm/mach/map.h>
 
- #include <asm/system_misc.h>
 
- #include <mach/cpu.h>
 
- #include <mach/at91_dbgu.h>
 
- #include <mach/at91sam9260.h>
 
- #include <mach/at91_pmc.h>
 
- #include "at91_aic.h"
 
- #include "at91_rstc.h"
 
- #include "soc.h"
 
- #include "generic.h"
 
- #include "clock.h"
 
- #include "sam9_smc.h"
 
- /* --------------------------------------------------------------------
 
-  *  Clocks
 
-  * -------------------------------------------------------------------- */
 
- /*
 
-  * The peripheral clocks.
 
-  */
 
- static struct clk pioA_clk = {
 
- 	.name		= "pioA_clk",
 
- 	.pmc_mask	= 1 << AT91SAM9260_ID_PIOA,
 
- 	.type		= CLK_TYPE_PERIPHERAL,
 
- };
 
- static struct clk pioB_clk = {
 
- 	.name		= "pioB_clk",
 
- 	.pmc_mask	= 1 << AT91SAM9260_ID_PIOB,
 
- 	.type		= CLK_TYPE_PERIPHERAL,
 
- };
 
- static struct clk pioC_clk = {
 
- 	.name		= "pioC_clk",
 
- 	.pmc_mask	= 1 << AT91SAM9260_ID_PIOC,
 
- 	.type		= CLK_TYPE_PERIPHERAL,
 
- };
 
- static struct clk adc_clk = {
 
- 	.name		= "adc_clk",
 
- 	.pmc_mask	= 1 << AT91SAM9260_ID_ADC,
 
- 	.type		= CLK_TYPE_PERIPHERAL,
 
- };
 
- static struct clk adc_op_clk = {
 
- 	.name		= "adc_op_clk",
 
- 	.type		= CLK_TYPE_PERIPHERAL,
 
- 	.rate_hz	= 5000000,
 
- };
 
- static struct clk usart0_clk = {
 
- 	.name		= "usart0_clk",
 
- 	.pmc_mask	= 1 << AT91SAM9260_ID_US0,
 
- 	.type		= CLK_TYPE_PERIPHERAL,
 
- };
 
- static struct clk usart1_clk = {
 
- 	.name		= "usart1_clk",
 
- 	.pmc_mask	= 1 << AT91SAM9260_ID_US1,
 
- 	.type		= CLK_TYPE_PERIPHERAL,
 
- };
 
- static struct clk usart2_clk = {
 
- 	.name		= "usart2_clk",
 
- 	.pmc_mask	= 1 << AT91SAM9260_ID_US2,
 
- 	.type		= CLK_TYPE_PERIPHERAL,
 
- };
 
- static struct clk mmc_clk = {
 
- 	.name		= "mci_clk",
 
- 	.pmc_mask	= 1 << AT91SAM9260_ID_MCI,
 
- 	.type		= CLK_TYPE_PERIPHERAL,
 
- };
 
- static struct clk udc_clk = {
 
- 	.name		= "udc_clk",
 
- 	.pmc_mask	= 1 << AT91SAM9260_ID_UDP,
 
- 	.type		= CLK_TYPE_PERIPHERAL,
 
- };
 
- static struct clk twi_clk = {
 
- 	.name		= "twi_clk",
 
- 	.pmc_mask	= 1 << AT91SAM9260_ID_TWI,
 
- 	.type		= CLK_TYPE_PERIPHERAL,
 
- };
 
- static struct clk spi0_clk = {
 
- 	.name		= "spi0_clk",
 
- 	.pmc_mask	= 1 << AT91SAM9260_ID_SPI0,
 
- 	.type		= CLK_TYPE_PERIPHERAL,
 
- };
 
- static struct clk spi1_clk = {
 
- 	.name		= "spi1_clk",
 
- 	.pmc_mask	= 1 << AT91SAM9260_ID_SPI1,
 
- 	.type		= CLK_TYPE_PERIPHERAL,
 
- };
 
- static struct clk ssc_clk = {
 
- 	.name		= "ssc_clk",
 
- 	.pmc_mask	= 1 << AT91SAM9260_ID_SSC,
 
- 	.type		= CLK_TYPE_PERIPHERAL,
 
- };
 
- static struct clk tc0_clk = {
 
- 	.name		= "tc0_clk",
 
- 	.pmc_mask	= 1 << AT91SAM9260_ID_TC0,
 
- 	.type		= CLK_TYPE_PERIPHERAL,
 
- };
 
- static struct clk tc1_clk = {
 
- 	.name		= "tc1_clk",
 
- 	.pmc_mask	= 1 << AT91SAM9260_ID_TC1,
 
- 	.type		= CLK_TYPE_PERIPHERAL,
 
- };
 
- static struct clk tc2_clk = {
 
- 	.name		= "tc2_clk",
 
- 	.pmc_mask	= 1 << AT91SAM9260_ID_TC2,
 
- 	.type		= CLK_TYPE_PERIPHERAL,
 
- };
 
- static struct clk ohci_clk = {
 
- 	.name		= "ohci_clk",
 
- 	.pmc_mask	= 1 << AT91SAM9260_ID_UHP,
 
- 	.type		= CLK_TYPE_PERIPHERAL,
 
- };
 
- static struct clk macb_clk = {
 
- 	.name		= "pclk",
 
- 	.pmc_mask	= 1 << AT91SAM9260_ID_EMAC,
 
- 	.type		= CLK_TYPE_PERIPHERAL,
 
- };
 
- static struct clk isi_clk = {
 
- 	.name		= "isi_clk",
 
- 	.pmc_mask	= 1 << AT91SAM9260_ID_ISI,
 
- 	.type		= CLK_TYPE_PERIPHERAL,
 
- };
 
- static struct clk usart3_clk = {
 
- 	.name		= "usart3_clk",
 
- 	.pmc_mask	= 1 << AT91SAM9260_ID_US3,
 
- 	.type		= CLK_TYPE_PERIPHERAL,
 
- };
 
- static struct clk usart4_clk = {
 
- 	.name		= "usart4_clk",
 
- 	.pmc_mask	= 1 << AT91SAM9260_ID_US4,
 
- 	.type		= CLK_TYPE_PERIPHERAL,
 
- };
 
- static struct clk usart5_clk = {
 
- 	.name		= "usart5_clk",
 
- 	.pmc_mask	= 1 << AT91SAM9260_ID_US5,
 
- 	.type		= CLK_TYPE_PERIPHERAL,
 
- };
 
- static struct clk tc3_clk = {
 
- 	.name		= "tc3_clk",
 
- 	.pmc_mask	= 1 << AT91SAM9260_ID_TC3,
 
- 	.type		= CLK_TYPE_PERIPHERAL,
 
- };
 
- static struct clk tc4_clk = {
 
- 	.name		= "tc4_clk",
 
- 	.pmc_mask	= 1 << AT91SAM9260_ID_TC4,
 
- 	.type		= CLK_TYPE_PERIPHERAL,
 
- };
 
- static struct clk tc5_clk = {
 
- 	.name		= "tc5_clk",
 
- 	.pmc_mask	= 1 << AT91SAM9260_ID_TC5,
 
- 	.type		= CLK_TYPE_PERIPHERAL,
 
- };
 
- static struct clk *periph_clocks[] __initdata = {
 
- 	&pioA_clk,
 
- 	&pioB_clk,
 
- 	&pioC_clk,
 
- 	&adc_clk,
 
- 	&adc_op_clk,
 
- 	&usart0_clk,
 
- 	&usart1_clk,
 
- 	&usart2_clk,
 
- 	&mmc_clk,
 
- 	&udc_clk,
 
- 	&twi_clk,
 
- 	&spi0_clk,
 
- 	&spi1_clk,
 
- 	&ssc_clk,
 
- 	&tc0_clk,
 
- 	&tc1_clk,
 
- 	&tc2_clk,
 
- 	&ohci_clk,
 
- 	&macb_clk,
 
- 	&isi_clk,
 
- 	&usart3_clk,
 
- 	&usart4_clk,
 
- 	&usart5_clk,
 
- 	&tc3_clk,
 
- 	&tc4_clk,
 
- 	&tc5_clk,
 
- 	// irq0 .. irq2
 
- };
 
- static struct clk_lookup periph_clocks_lookups[] = {
 
- 	/* One additional fake clock for macb_hclk */
 
- 	CLKDEV_CON_ID("hclk", &macb_clk),
 
- 	CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.0", &spi0_clk),
 
- 	CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.1", &spi1_clk),
 
- 	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", &ssc_clk),
 
- 	CLKDEV_CON_DEV_ID("pclk", "fffbc000.ssc", &ssc_clk),
 
- 	CLKDEV_CON_DEV_ID(NULL, "i2c-at91sam9260.0", &twi_clk),
 
- 	CLKDEV_CON_DEV_ID(NULL, "i2c-at91sam9g20.0", &twi_clk),
 
- 	/* more usart lookup table for DT entries */
 
- 	CLKDEV_CON_DEV_ID("usart", "fffff200.serial", &mck),
 
- 	CLKDEV_CON_DEV_ID("usart", "fffb0000.serial", &usart0_clk),
 
- 	CLKDEV_CON_DEV_ID("usart", "fffb4000.serial", &usart1_clk),
 
- 	CLKDEV_CON_DEV_ID("usart", "fffb8000.serial", &usart2_clk),
 
- 	CLKDEV_CON_DEV_ID("usart", "fffd0000.serial", &usart3_clk),
 
- 	CLKDEV_CON_DEV_ID("usart", "fffd4000.serial", &usart4_clk),
 
- 	CLKDEV_CON_DEV_ID("usart", "fffd8000.serial", &usart5_clk),
 
- 	CLKDEV_CON_DEV_ID(NULL, "fffac000.i2c", &twi_clk),
 
- 	/* more 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", "fffdc000.timer", &tc3_clk),
 
- 	CLKDEV_CON_DEV_ID("t1_clk", "fffdc000.timer", &tc4_clk),
 
- 	CLKDEV_CON_DEV_ID("t2_clk", "fffdc000.timer", &tc5_clk),
 
- 	CLKDEV_CON_DEV_ID("hclk", "500000.ohci", &ohci_clk),
 
- 	CLKDEV_CON_DEV_ID("mci_clk", "fffa8000.mmc", &mmc_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_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),
 
- };
 
- 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),
 
- 	CLKDEV_CON_DEV_ID("usart", "atmel_usart.5", &usart4_clk),
 
- 	CLKDEV_CON_DEV_ID("usart", "atmel_usart.6", &usart5_clk),
 
- };
 
- /*
 
-  * The two 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 void __init at91sam9260_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,
 
 
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