arch/arm/mach-mmp/mmp2.c - third_party/linux - Git at Google

 /*
  * linux/arch/arm/mach-mmp/mmp2.c
  *
  * code name MMP2
  *
  * Copyright (C) 2009 Marvell International Ltd.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/io.h>
 #include <linux/platform_device.h>

 #include <asm/hardware/cache-tauros2.h>

 #include <asm/mach/time.h>
 #include <mach/addr-map.h>
 #include <mach/regs-apbc.h>
 #include <mach/regs-apmu.h>
 #include <mach/cputype.h>
 #include <mach/irqs.h>
 #include <mach/dma.h>
 #include <mach/mfp.h>
 #include <mach/devices.h>
 #include <mach/mmp2.h>

 #include "common.h"
 #include "clock.h"

 #define MFPR_VIRT_BASE	(APB_VIRT_BASE + 0x1e000)

 static struct mfp_addr_map mmp2_addr_map[] __initdata = {

 	MFP_ADDR_X(GPIO0, GPIO58, 0x54),
 	MFP_ADDR_X(GPIO59, GPIO73, 0x280),
 	MFP_ADDR_X(GPIO74, GPIO101, 0x170),

 	MFP_ADDR(GPIO102, 0x0),
 	MFP_ADDR(GPIO103, 0x4),
 	MFP_ADDR(GPIO104, 0x1fc),
 	MFP_ADDR(GPIO105, 0x1f8),
 	MFP_ADDR(GPIO106, 0x1f4),
 	MFP_ADDR(GPIO107, 0x1f0),
 	MFP_ADDR(GPIO108, 0x21c),
 	MFP_ADDR(GPIO109, 0x218),
 	MFP_ADDR(GPIO110, 0x214),
 	MFP_ADDR(GPIO111, 0x200),
 	MFP_ADDR(GPIO112, 0x244),
 	MFP_ADDR(GPIO113, 0x25c),
 	MFP_ADDR(GPIO114, 0x164),
 	MFP_ADDR_X(GPIO115, GPIO122, 0x260),

 	MFP_ADDR(GPIO123, 0x148),
 	MFP_ADDR_X(GPIO124, GPIO141, 0xc),

 	MFP_ADDR(GPIO142, 0x8),
 	MFP_ADDR_X(GPIO143, GPIO151, 0x220),
 	MFP_ADDR_X(GPIO152, GPIO153, 0x248),
 	MFP_ADDR_X(GPIO154, GPIO155, 0x254),
 	MFP_ADDR_X(GPIO156, GPIO159, 0x14c),

 	MFP_ADDR(GPIO160, 0x250),
 	MFP_ADDR(GPIO161, 0x210),
 	MFP_ADDR(GPIO162, 0x20c),
 	MFP_ADDR(GPIO163, 0x208),
 	MFP_ADDR(GPIO164, 0x204),
 	MFP_ADDR(GPIO165, 0x1ec),
 	MFP_ADDR(GPIO166, 0x1e8),
 	MFP_ADDR(GPIO167, 0x1e4),
 	MFP_ADDR(GPIO168, 0x1e0),

 	MFP_ADDR_X(TWSI1_SCL, TWSI1_SDA, 0x140),
 	MFP_ADDR_X(TWSI4_SCL, TWSI4_SDA, 0x2bc),

 	MFP_ADDR(PMIC_INT, 0x2c4),
 	MFP_ADDR(CLK_REQ, 0x160),

 	MFP_ADDR_END,
 };

 void mmp2_clear_pmic_int(void)
 {
 	void __iomem *mfpr_pmic;
 	unsigned long data;

 	mfpr_pmic = APB_VIRT_BASE + 0x1e000 + 0x2c4;
 	data = __raw_readl(mfpr_pmic);
 	__raw_writel(data | (1 << 6), mfpr_pmic);
 	__raw_writel(data, mfpr_pmic);
 }

 void __init mmp2_init_irq(void)
 {
 	mmp2_init_icu();
 }

 static void sdhc_clk_enable(struct clk *clk)
 {
 	uint32_t clk_rst;

 	clk_rst  =  __raw_readl(clk->clk_rst);
 	clk_rst |= clk->enable_val;
 	__raw_writel(clk_rst, clk->clk_rst);
 }

 static void sdhc_clk_disable(struct clk *clk)
 {
 	uint32_t clk_rst;

 	clk_rst  =  __raw_readl(clk->clk_rst);
 	clk_rst &= ~clk->enable_val;
 	__raw_writel(clk_rst, clk->clk_rst);
 }

 struct clkops sdhc_clk_ops = {
 	.enable		= sdhc_clk_enable,
 	.disable	= sdhc_clk_disable,
 };

 /* APB peripheral clocks */
 static APBC_CLK(uart1, MMP2_UART1, 1, 26000000);
 static APBC_CLK(uart2, MMP2_UART2, 1, 26000000);
 static APBC_CLK(uart3, MMP2_UART3, 1, 26000000);
 static APBC_CLK(uart4, MMP2_UART4, 1, 26000000);
 static APBC_CLK(twsi1, MMP2_TWSI1, 0, 26000000);
 static APBC_CLK(twsi2, MMP2_TWSI2, 0, 26000000);
 static APBC_CLK(twsi3, MMP2_TWSI3, 0, 26000000);
 static APBC_CLK(twsi4, MMP2_TWSI4, 0, 26000000);
 static APBC_CLK(twsi5, MMP2_TWSI5, 0, 26000000);
 static APBC_CLK(twsi6, MMP2_TWSI6, 0, 26000000);
 static APBC_CLK(gpio, MMP2_GPIO, 0, 26000000);

 static APMU_CLK(nand, NAND, 0xbf, 100000000);
 static APMU_CLK_OPS(sdh0, SDH0, 0x1b, 200000000, &sdhc_clk_ops);
 static APMU_CLK_OPS(sdh1, SDH1, 0x1b, 200000000, &sdhc_clk_ops);
 static APMU_CLK_OPS(sdh2, SDH2, 0x1b, 200000000, &sdhc_clk_ops);
 static APMU_CLK_OPS(sdh3, SDH3, 0x1b, 200000000, &sdhc_clk_ops);

 static struct clk_lookup mmp2_clkregs[] = {
 	INIT_CLKREG(&clk_uart1, "pxa2xx-uart.0", NULL),
 	INIT_CLKREG(&clk_uart2, "pxa2xx-uart.1", NULL),
 	INIT_CLKREG(&clk_uart3, "pxa2xx-uart.2", NULL),
 	INIT_CLKREG(&clk_uart4, "pxa2xx-uart.3", NULL),
 	INIT_CLKREG(&clk_twsi1, "pxa2xx-i2c.0", NULL),
 	INIT_CLKREG(&clk_twsi2, "pxa2xx-i2c.1", NULL),
 	INIT_CLKREG(&clk_twsi3, "pxa2xx-i2c.2", NULL),
 	INIT_CLKREG(&clk_twsi4, "pxa2xx-i2c.3", NULL),
 	INIT_CLKREG(&clk_twsi5, "pxa2xx-i2c.4", NULL),
 	INIT_CLKREG(&clk_twsi6, "pxa2xx-i2c.5", NULL),
 	INIT_CLKREG(&clk_nand, "pxa3xx-nand", NULL),
 	INIT_CLKREG(&clk_gpio, "pxa-gpio", NULL),
 	INIT_CLKREG(&clk_sdh0, "sdhci-pxav3.0", "PXA-SDHCLK"),
 	INIT_CLKREG(&clk_sdh1, "sdhci-pxav3.1", "PXA-SDHCLK"),
 	INIT_CLKREG(&clk_sdh2, "sdhci-pxav3.2", "PXA-SDHCLK"),
 	INIT_CLKREG(&clk_sdh3, "sdhci-pxav3.3", "PXA-SDHCLK"),
 };

 static int __init mmp2_init(void)
 {
 	if (cpu_is_mmp2()) {
 #ifdef CONFIG_CACHE_TAUROS2
 		tauros2_init();
 #endif
 		mfp_init_base(MFPR_VIRT_BASE);
 		mfp_init_addr(mmp2_addr_map);
 		pxa_init_dma(IRQ_MMP2_DMA_RIQ, 16);
 		clkdev_add_table(ARRAY_AND_SIZE(mmp2_clkregs));
 	}

 	return 0;
 }
 postcore_initcall(mmp2_init);

 static void __init mmp2_timer_init(void)
 {
 	unsigned long clk_rst;

 	__raw_writel(APBC_APBCLK | APBC_RST, APBC_MMP2_TIMERS);

 	/*
 	 * enable bus/functional clock, enable 6.5MHz (divider 4),
 	 * release reset
 	 */
 	clk_rst = APBC_APBCLK | APBC_FNCLK | APBC_FNCLKSEL(1);
 	__raw_writel(clk_rst, APBC_MMP2_TIMERS);

 	timer_init(IRQ_MMP2_TIMER1);
 }

 struct sys_timer mmp2_timer = {
 	.init	= mmp2_timer_init,
 };

 /* on-chip devices */
 MMP2_DEVICE(uart1, "pxa2xx-uart", 0, UART1, 0xd4030000, 0x30, 4, 5);
 MMP2_DEVICE(uart2, "pxa2xx-uart", 1, UART2, 0xd4017000, 0x30, 20, 21);
 MMP2_DEVICE(uart3, "pxa2xx-uart", 2, UART3, 0xd4018000, 0x30, 22, 23);
 MMP2_DEVICE(uart4, "pxa2xx-uart", 3, UART4, 0xd4016000, 0x30, 18, 19);
 MMP2_DEVICE(twsi1, "pxa2xx-i2c", 0, TWSI1, 0xd4011000, 0x70);
 MMP2_DEVICE(twsi2, "pxa2xx-i2c", 1, TWSI2, 0xd4031000, 0x70);
 MMP2_DEVICE(twsi3, "pxa2xx-i2c", 2, TWSI3, 0xd4032000, 0x70);
 MMP2_DEVICE(twsi4, "pxa2xx-i2c", 3, TWSI4, 0xd4033000, 0x70);
 MMP2_DEVICE(twsi5, "pxa2xx-i2c", 4, TWSI5, 0xd4033800, 0x70);
 MMP2_DEVICE(twsi6, "pxa2xx-i2c", 5, TWSI6, 0xd4034000, 0x70);
 MMP2_DEVICE(nand, "pxa3xx-nand", -1, NAND, 0xd4283000, 0x100, 28, 29);
 MMP2_DEVICE(sdh0, "sdhci-pxav3", 0, MMC, 0xd4280000, 0x120);
 MMP2_DEVICE(sdh1, "sdhci-pxav3", 1, MMC2, 0xd4280800, 0x120);
 MMP2_DEVICE(sdh2, "sdhci-pxav3", 2, MMC3, 0xd4281000, 0x120);
 MMP2_DEVICE(sdh3, "sdhci-pxav3", 3, MMC4, 0xd4281800, 0x120);
 MMP2_DEVICE(asram, "asram", -1, NONE, 0xe0000000, 0x4000);
 /* 0xd1000000 ~ 0xd101ffff is reserved for secure processor */
 MMP2_DEVICE(isram, "isram", -1, NONE, 0xd1020000, 0x18000);

 struct resource mmp2_resource_gpio[] = {
 	{
 		.start	= 0xd4019000,
 		.end	= 0xd4019fff,
 		.flags	= IORESOURCE_MEM,
 	}, {
 		.start	= IRQ_MMP2_GPIO,
 		.end	= IRQ_MMP2_GPIO,
 		.flags	= IORESOURCE_IRQ,
 	},
 };

 struct platform_device mmp2_device_gpio = {
 	.name		= "pxa-gpio",
 	.id		= -1,
 	.num_resources	= ARRAY_SIZE(mmp2_resource_gpio),
 	.resource	= mmp2_resource_gpio,
 };
	/*
	* linux/arch/arm/mach-mmp/mmp2.c
	*
	* code name MMP2
	*
	* Copyright (C) 2009 Marvell International Ltd.
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License version 2 as
	* published by the Free Software Foundation.
	*/
	#include <linux/module.h>
	#include <linux/kernel.h>
	#include <linux/init.h>
	#include <linux/io.h>
	#include <linux/platform_device.h>

	#include <asm/hardware/cache-tauros2.h>

	#include <asm/mach/time.h>
	#include <mach/addr-map.h>
	#include <mach/regs-apbc.h>
	#include <mach/regs-apmu.h>
	#include <mach/cputype.h>
	#include <mach/irqs.h>
	#include <mach/dma.h>
	#include <mach/mfp.h>
	#include <mach/devices.h>
	#include <mach/mmp2.h>

	#include "common.h"
	#include "clock.h"

	#define MFPR_VIRT_BASE (APB_VIRT_BASE + 0x1e000)

	static struct mfp_addr_map mmp2_addr_map[] __initdata = {

	MFP_ADDR_X(GPIO0, GPIO58, 0x54),
	MFP_ADDR_X(GPIO59, GPIO73, 0x280),
	MFP_ADDR_X(GPIO74, GPIO101, 0x170),

	MFP_ADDR(GPIO102, 0x0),
	MFP_ADDR(GPIO103, 0x4),
	MFP_ADDR(GPIO104, 0x1fc),
	MFP_ADDR(GPIO105, 0x1f8),
	MFP_ADDR(GPIO106, 0x1f4),
	MFP_ADDR(GPIO107, 0x1f0),
	MFP_ADDR(GPIO108, 0x21c),
	MFP_ADDR(GPIO109, 0x218),
	MFP_ADDR(GPIO110, 0x214),
	MFP_ADDR(GPIO111, 0x200),
	MFP_ADDR(GPIO112, 0x244),
	MFP_ADDR(GPIO113, 0x25c),
	MFP_ADDR(GPIO114, 0x164),
	MFP_ADDR_X(GPIO115, GPIO122, 0x260),

	MFP_ADDR(GPIO123, 0x148),
	MFP_ADDR_X(GPIO124, GPIO141, 0xc),

	MFP_ADDR(GPIO142, 0x8),
	MFP_ADDR_X(GPIO143, GPIO151, 0x220),
	MFP_ADDR_X(GPIO152, GPIO153, 0x248),
	MFP_ADDR_X(GPIO154, GPIO155, 0x254),
	MFP_ADDR_X(GPIO156, GPIO159, 0x14c),

	MFP_ADDR(GPIO160, 0x250),
	MFP_ADDR(GPIO161, 0x210),
	MFP_ADDR(GPIO162, 0x20c),
	MFP_ADDR(GPIO163, 0x208),
	MFP_ADDR(GPIO164, 0x204),
	MFP_ADDR(GPIO165, 0x1ec),
	MFP_ADDR(GPIO166, 0x1e8),
	MFP_ADDR(GPIO167, 0x1e4),
	MFP_ADDR(GPIO168, 0x1e0),

	MFP_ADDR_X(TWSI1_SCL, TWSI1_SDA, 0x140),
	MFP_ADDR_X(TWSI4_SCL, TWSI4_SDA, 0x2bc),

	MFP_ADDR(PMIC_INT, 0x2c4),
	MFP_ADDR(CLK_REQ, 0x160),

	MFP_ADDR_END,
	};

	void mmp2_clear_pmic_int(void)
	{
	void __iomem *mfpr_pmic;
	unsigned long data;

	mfpr_pmic = APB_VIRT_BASE + 0x1e000 + 0x2c4;
	data = __raw_readl(mfpr_pmic);
	__raw_writel(data \| (1 << 6), mfpr_pmic);
	__raw_writel(data, mfpr_pmic);
	}

	void __init mmp2_init_irq(void)
	{
	mmp2_init_icu();
	}

	static void sdhc_clk_enable(struct clk *clk)
	{
	uint32_t clk_rst;

	clk_rst = __raw_readl(clk->clk_rst);
	clk_rst \|= clk->enable_val;
	__raw_writel(clk_rst, clk->clk_rst);
	}

	static void sdhc_clk_disable(struct clk *clk)
	{
	uint32_t clk_rst;

	clk_rst = __raw_readl(clk->clk_rst);
	clk_rst &= ~clk->enable_val;
	__raw_writel(clk_rst, clk->clk_rst);
	}

	struct clkops sdhc_clk_ops = {
	.enable = sdhc_clk_enable,
	.disable = sdhc_clk_disable,
	};

	/* APB peripheral clocks */
	static APBC_CLK(uart1, MMP2_UART1, 1, 26000000);
	static APBC_CLK(uart2, MMP2_UART2, 1, 26000000);
	static APBC_CLK(uart3, MMP2_UART3, 1, 26000000);
	static APBC_CLK(uart4, MMP2_UART4, 1, 26000000);
	static APBC_CLK(twsi1, MMP2_TWSI1, 0, 26000000);
	static APBC_CLK(twsi2, MMP2_TWSI2, 0, 26000000);
	static APBC_CLK(twsi3, MMP2_TWSI3, 0, 26000000);
	static APBC_CLK(twsi4, MMP2_TWSI4, 0, 26000000);
	static APBC_CLK(twsi5, MMP2_TWSI5, 0, 26000000);
	static APBC_CLK(twsi6, MMP2_TWSI6, 0, 26000000);
	static APBC_CLK(gpio, MMP2_GPIO, 0, 26000000);

	static APMU_CLK(nand, NAND, 0xbf, 100000000);
	static APMU_CLK_OPS(sdh0, SDH0, 0x1b, 200000000, &sdhc_clk_ops);
	static APMU_CLK_OPS(sdh1, SDH1, 0x1b, 200000000, &sdhc_clk_ops);
	static APMU_CLK_OPS(sdh2, SDH2, 0x1b, 200000000, &sdhc_clk_ops);
	static APMU_CLK_OPS(sdh3, SDH3, 0x1b, 200000000, &sdhc_clk_ops);

	static struct clk_lookup mmp2_clkregs[] = {
	INIT_CLKREG(&clk_uart1, "pxa2xx-uart.0", NULL),
	INIT_CLKREG(&clk_uart2, "pxa2xx-uart.1", NULL),
	INIT_CLKREG(&clk_uart3, "pxa2xx-uart.2", NULL),
	INIT_CLKREG(&clk_uart4, "pxa2xx-uart.3", NULL),
	INIT_CLKREG(&clk_twsi1, "pxa2xx-i2c.0", NULL),
	INIT_CLKREG(&clk_twsi2, "pxa2xx-i2c.1", NULL),
	INIT_CLKREG(&clk_twsi3, "pxa2xx-i2c.2", NULL),
	INIT_CLKREG(&clk_twsi4, "pxa2xx-i2c.3", NULL),
	INIT_CLKREG(&clk_twsi5, "pxa2xx-i2c.4", NULL),
	INIT_CLKREG(&clk_twsi6, "pxa2xx-i2c.5", NULL),
	INIT_CLKREG(&clk_nand, "pxa3xx-nand", NULL),
	INIT_CLKREG(&clk_gpio, "pxa-gpio", NULL),
	INIT_CLKREG(&clk_sdh0, "sdhci-pxav3.0", "PXA-SDHCLK"),
	INIT_CLKREG(&clk_sdh1, "sdhci-pxav3.1", "PXA-SDHCLK"),
	INIT_CLKREG(&clk_sdh2, "sdhci-pxav3.2", "PXA-SDHCLK"),
	INIT_CLKREG(&clk_sdh3, "sdhci-pxav3.3", "PXA-SDHCLK"),
	};

	static int __init mmp2_init(void)
	{
	if (cpu_is_mmp2()) {
	#ifdef CONFIG_CACHE_TAUROS2
	tauros2_init();
	#endif
	mfp_init_base(MFPR_VIRT_BASE);
	mfp_init_addr(mmp2_addr_map);
	pxa_init_dma(IRQ_MMP2_DMA_RIQ, 16);
	clkdev_add_table(ARRAY_AND_SIZE(mmp2_clkregs));
	}

	return 0;
	}
	postcore_initcall(mmp2_init);

	static void __init mmp2_timer_init(void)
	{
	unsigned long clk_rst;

	__raw_writel(APBC_APBCLK \| APBC_RST, APBC_MMP2_TIMERS);

	/*
	* enable bus/functional clock, enable 6.5MHz (divider 4),
	* release reset
	*/
	clk_rst = APBC_APBCLK \| APBC_FNCLK \| APBC_FNCLKSEL(1);
	__raw_writel(clk_rst, APBC_MMP2_TIMERS);

	timer_init(IRQ_MMP2_TIMER1);
	}

	struct sys_timer mmp2_timer = {
	.init = mmp2_timer_init,
	};

	/* on-chip devices */
	MMP2_DEVICE(uart1, "pxa2xx-uart", 0, UART1, 0xd4030000, 0x30, 4, 5);
	MMP2_DEVICE(uart2, "pxa2xx-uart", 1, UART2, 0xd4017000, 0x30, 20, 21);
	MMP2_DEVICE(uart3, "pxa2xx-uart", 2, UART3, 0xd4018000, 0x30, 22, 23);
	MMP2_DEVICE(uart4, "pxa2xx-uart", 3, UART4, 0xd4016000, 0x30, 18, 19);
	MMP2_DEVICE(twsi1, "pxa2xx-i2c", 0, TWSI1, 0xd4011000, 0x70);
	MMP2_DEVICE(twsi2, "pxa2xx-i2c", 1, TWSI2, 0xd4031000, 0x70);
	MMP2_DEVICE(twsi3, "pxa2xx-i2c", 2, TWSI3, 0xd4032000, 0x70);
	MMP2_DEVICE(twsi4, "pxa2xx-i2c", 3, TWSI4, 0xd4033000, 0x70);
	MMP2_DEVICE(twsi5, "pxa2xx-i2c", 4, TWSI5, 0xd4033800, 0x70);
	MMP2_DEVICE(twsi6, "pxa2xx-i2c", 5, TWSI6, 0xd4034000, 0x70);
	MMP2_DEVICE(nand, "pxa3xx-nand", -1, NAND, 0xd4283000, 0x100, 28, 29);
	MMP2_DEVICE(sdh0, "sdhci-pxav3", 0, MMC, 0xd4280000, 0x120);
	MMP2_DEVICE(sdh1, "sdhci-pxav3", 1, MMC2, 0xd4280800, 0x120);
	MMP2_DEVICE(sdh2, "sdhci-pxav3", 2, MMC3, 0xd4281000, 0x120);
	MMP2_DEVICE(sdh3, "sdhci-pxav3", 3, MMC4, 0xd4281800, 0x120);
	MMP2_DEVICE(asram, "asram", -1, NONE, 0xe0000000, 0x4000);
	/* 0xd1000000 ~ 0xd101ffff is reserved for secure processor */
	MMP2_DEVICE(isram, "isram", -1, NONE, 0xd1020000, 0x18000);

	struct resource mmp2_resource_gpio[] = {
	{
	.start = 0xd4019000,
	.end = 0xd4019fff,
	.flags = IORESOURCE_MEM,
	}, {
	.start = IRQ_MMP2_GPIO,
	.end = IRQ_MMP2_GPIO,
	.flags = IORESOURCE_IRQ,
	},
	};

	struct platform_device mmp2_device_gpio = {
	.name = "pxa-gpio",
	.id = -1,
	.num_resources = ARRAY_SIZE(mmp2_resource_gpio),
	.resource = mmp2_resource_gpio,
	};