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- /*
- * arch/arm/mach-at91/at91sam9263.c
- *
- * Copyright (C) 2007 Atmel Corporation.
- *
- * 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/at91sam9263.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 << AT91SAM9263_ID_PIOA,
- .type = CLK_TYPE_PERIPHERAL,
- };
- static struct clk pioB_clk = {
- .name = "pioB_clk",
- .pmc_mask = 1 << AT91SAM9263_ID_PIOB,
- .type = CLK_TYPE_PERIPHERAL,
- };
- static struct clk pioCDE_clk = {
- .name = "pioCDE_clk",
- .pmc_mask = 1 << AT91SAM9263_ID_PIOCDE,
- .type = CLK_TYPE_PERIPHERAL,
- };
- static struct clk usart0_clk = {
- .name = "usart0_clk",
- .pmc_mask = 1 << AT91SAM9263_ID_US0,
- .type = CLK_TYPE_PERIPHERAL,
- };
- static struct clk usart1_clk = {
- .name = "usart1_clk",
- .pmc_mask = 1 << AT91SAM9263_ID_US1,
- .type = CLK_TYPE_PERIPHERAL,
- };
- static struct clk usart2_clk = {
- .name = "usart2_clk",
- .pmc_mask = 1 << AT91SAM9263_ID_US2,
- .type = CLK_TYPE_PERIPHERAL,
- };
- static struct clk mmc0_clk = {
- .name = "mci0_clk",
- .pmc_mask = 1 << AT91SAM9263_ID_MCI0,
- .type = CLK_TYPE_PERIPHERAL,
- };
- static struct clk mmc1_clk = {
- .name = "mci1_clk",
- .pmc_mask = 1 << AT91SAM9263_ID_MCI1,
- .type = CLK_TYPE_PERIPHERAL,
- };
- static struct clk can_clk = {
- .name = "can_clk",
- .pmc_mask = 1 << AT91SAM9263_ID_CAN,
- .type = CLK_TYPE_PERIPHERAL,
- };
- static struct clk twi_clk = {
- .name = "twi_clk",
- .pmc_mask = 1 << AT91SAM9263_ID_TWI,
- .type = CLK_TYPE_PERIPHERAL,
- };
- static struct clk spi0_clk = {
- .name = "spi0_clk",
- .pmc_mask = 1 << AT91SAM9263_ID_SPI0,
- .type = CLK_TYPE_PERIPHERAL,
- };
- static struct clk spi1_clk = {
- .name = "spi1_clk",
- .pmc_mask = 1 << AT91SAM9263_ID_SPI1,
- .type = CLK_TYPE_PERIPHERAL,
- };
- static struct clk ssc0_clk = {
- .name = "ssc0_clk",
- .pmc_mask = 1 << AT91SAM9263_ID_SSC0,
- .type = CLK_TYPE_PERIPHERAL,
- };
- static struct clk ssc1_clk = {
- .name = "ssc1_clk",
- .pmc_mask = 1 << AT91SAM9263_ID_SSC1,
- .type = CLK_TYPE_PERIPHERAL,
- };
- static struct clk ac97_clk = {
- .name = "ac97_clk",
- .pmc_mask = 1 << AT91SAM9263_ID_AC97C,
- .type = CLK_TYPE_PERIPHERAL,
- };
- static struct clk tcb_clk = {
- .name = "tcb_clk",
- .pmc_mask = 1 << AT91SAM9263_ID_TCB,
- .type = CLK_TYPE_PERIPHERAL,
- };
- static struct clk pwm_clk = {
- .name = "pwm_clk",
- .pmc_mask = 1 << AT91SAM9263_ID_PWMC,
- .type = CLK_TYPE_PERIPHERAL,
- };
- static struct clk macb_clk = {
- .name = "pclk",
- .pmc_mask = 1 << AT91SAM9263_ID_EMAC,
- .type = CLK_TYPE_PERIPHERAL,
- };
- static struct clk dma_clk = {
- .name = "dma_clk",
- .pmc_mask = 1 << AT91SAM9263_ID_DMA,
- .type = CLK_TYPE_PERIPHERAL,
- };
- static struct clk twodge_clk = {
- .name = "2dge_clk",
- .pmc_mask = 1 << AT91SAM9263_ID_2DGE,
- .type = CLK_TYPE_PERIPHERAL,
- };
- static struct clk udc_clk = {
- .name = "udc_clk",
- .pmc_mask = 1 << AT91SAM9263_ID_UDP,
- .type = CLK_TYPE_PERIPHERAL,
- };
- static struct clk isi_clk = {
- .name = "isi_clk",
- .pmc_mask = 1 << AT91SAM9263_ID_ISI,
- .type = CLK_TYPE_PERIPHERAL,
- };
- static struct clk lcdc_clk = {
- .name = "lcdc_clk",
- .pmc_mask = 1 << AT91SAM9263_ID_LCDC,
- .type = CLK_TYPE_PERIPHERAL,
- };
- static struct clk ohci_clk = {
- .name = "ohci_clk",
- .pmc_mask = 1 << AT91SAM9263_ID_UHP,
- .type = CLK_TYPE_PERIPHERAL,
- };
- static struct clk *periph_clocks[] __initdata = {
- &pioA_clk,
- &pioB_clk,
- &pioCDE_clk,
- &usart0_clk,
- &usart1_clk,
- &usart2_clk,
- &mmc0_clk,
- &mmc1_clk,
- &can_clk,
- &twi_clk,
- &spi0_clk,
- &spi1_clk,
- &ssc0_clk,
- &ssc1_clk,
- &ac97_clk,
- &tcb_clk,
- &pwm_clk,
- &macb_clk,
- &twodge_clk,
- &udc_clk,
- &isi_clk,
- &lcdc_clk,
- &dma_clk,
- &ohci_clk,
- // irq0 .. irq1
- };
- static struct clk_lookup periph_clocks_lookups[] = {
- /* One additional fake clock for macb_hclk */
- CLKDEV_CON_ID("hclk", &macb_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", "fff98000.ssc", &ssc0_clk),
- CLKDEV_CON_DEV_ID("pclk", "fff9c000.ssc", &ssc1_clk),
- CLKDEV_CON_DEV_ID("mci_clk", "atmel_mci.0", &mmc0_clk),
- CLKDEV_CON_DEV_ID("mci_clk", "atmel_mci.1", &mmc1_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", &tcb_clk),
- CLKDEV_CON_DEV_ID(NULL, "i2c-at91sam9260.0", &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", &pioCDE_clk),
- CLKDEV_CON_ID("pioD", &pioCDE_clk),
- CLKDEV_CON_ID("pioE", &pioCDE_clk),
- /* more usart lookup table for DT entries */
- CLKDEV_CON_DEV_ID("usart", "ffffee00.serial", &mck),
- CLKDEV_CON_DEV_ID("usart", "fff8c000.serial", &usart0_clk),
- CLKDEV_CON_DEV_ID("usart", "fff90000.serial", &usart1_clk),
- CLKDEV_CON_DEV_ID("usart", "fff94000.serial", &usart2_clk),
- /* more tc lookup table for DT entries */
- CLKDEV_CON_DEV_ID("t0_clk", "fff7c000.timer", &tcb_clk),
- CLKDEV_CON_DEV_ID("hclk", "a00000.ohci", &ohci_clk),
- CLKDEV_CON_DEV_ID("spi_clk", "fffa4000.spi", &spi0_clk),
- CLKDEV_CON_DEV_ID("spi_clk", "fffa8000.spi", &spi1_clk),
- CLKDEV_CON_DEV_ID("mci_clk", "fff80000.mmc", &mmc0_clk),
- CLKDEV_CON_DEV_ID("mci_clk", "fff84000.mmc", &mmc1_clk),
- CLKDEV_CON_DEV_ID(NULL, "fff88000.i2c", &twi_clk),
- CLKDEV_CON_DEV_ID(NULL, "fffff200.gpio", &pioA_clk),
- CLKDEV_CON_DEV_ID(NULL, "fffff400.gpio", &pioB_clk),
- CLKDEV_CON_DEV_ID(NULL, "fffff600.gpio", &pioCDE_clk),
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