arch/arm/mach-pxa/csb726.c - linux - Git at Google

 /*
  *  Support for Cogent CSB726
  *
  *  Copyright (c) 2008 Dmitry Eremin-Solenikov
  *
  *  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/kernel.h>
 #include <linux/init.h>
 #include <linux/io.h>
 #include <linux/gpio.h>
 #include <linux/platform_device.h>
 #include <linux/mtd/physmap.h>
 #include <linux/mtd/partitions.h>
 #include <linux/sm501.h>
 #include <linux/smsc911x.h>
 #include <linux/i2c/pxa-i2c.h>

 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <mach/csb726.h>
 #include <mach/pxa27x.h>
 #include <linux/platform_data/mmc-pxamci.h>
 #include <linux/platform_data/usb-ohci-pxa27x.h>
 #include <mach/audio.h>
 #include <mach/smemc.h>

 #include "generic.h"
 #include "devices.h"

 /*
  * n/a: 2, 5, 6, 7, 8, 23, 24, 25, 26, 27, 87, 88, 89,
  * nu: 58 -- 77, 90, 91, 93, 102, 105-108, 114-116,
  * XXX: 21,
  * XXX: 79 CS_3 for LAN9215 or PSKTSEL on R2, R3
  * XXX: 33 CS_5 for LAN9215 on R1
  */

 static unsigned long csb726_pin_config[] = {
 	GPIO78_nCS_2, /* EXP_CS */
 	GPIO79_nCS_3, /* SMSC9215 */
 	GPIO80_nCS_4, /* SM501 */

 	GPIO52_GPIO, /* #SMSC9251 int */
 	GPIO53_GPIO, /* SM501 int */

 	GPIO1_GPIO, /* GPIO0 */
 	GPIO11_GPIO, /* GPIO1 */
 	GPIO9_GPIO, /* GPIO2 */
 	GPIO10_GPIO, /* GPIO3 */
 	GPIO16_PWM0_OUT, /* or GPIO4 */
 	GPIO17_PWM1_OUT, /* or GPIO5 */
 	GPIO94_GPIO, /* GPIO6 */
 	GPIO95_GPIO, /* GPIO7 */
 	GPIO96_GPIO, /* GPIO8 */
 	GPIO97_GPIO, /* GPIO9 */
 	GPIO15_GPIO, /* EXP_IRQ */
 	GPIO18_RDY, /* EXP_WAIT */

 	GPIO0_GPIO, /* PWR_INT */
 	GPIO104_GPIO, /* PWR_OFF */

 	GPIO12_GPIO, /* touch irq */

 	GPIO13_SSP2_TXD,
 	GPIO14_SSP2_SFRM,
 	MFP_CFG_OUT(GPIO19, AF1, DRIVE_LOW),/* SSP2_SYSCLK */
 	GPIO22_SSP2_SCLK,

 	GPIO81_SSP3_TXD,
 	GPIO82_SSP3_RXD,
 	GPIO83_SSP3_SFRM,
 	GPIO84_SSP3_SCLK,

 	GPIO20_GPIO, /* SDIO int */
 	GPIO32_MMC_CLK,
 	GPIO92_MMC_DAT_0,
 	GPIO109_MMC_DAT_1,
 	GPIO110_MMC_DAT_2,
 	GPIO111_MMC_DAT_3,
 	GPIO112_MMC_CMD,
 	GPIO100_GPIO, /* SD CD */
 	GPIO101_GPIO, /* SD WP */

 	GPIO28_AC97_BITCLK,
 	GPIO29_AC97_SDATA_IN_0,
 	GPIO30_AC97_SDATA_OUT,
 	GPIO31_AC97_SYNC,
 	GPIO113_AC97_nRESET,

 	GPIO34_FFUART_RXD,
 	GPIO35_FFUART_CTS,
 	GPIO36_FFUART_DCD,
 	GPIO37_FFUART_DSR,
 	GPIO38_FFUART_RI,
 	GPIO39_FFUART_TXD,
 	GPIO40_FFUART_DTR,
 	GPIO41_FFUART_RTS,

 	GPIO42_BTUART_RXD,
 	GPIO43_BTUART_TXD,
 	GPIO44_BTUART_CTS,
 	GPIO45_BTUART_RTS,

 	GPIO46_STUART_RXD,
 	GPIO47_STUART_TXD,

 	GPIO48_nPOE,
 	GPIO49_nPWE,
 	GPIO50_nPIOR,
 	GPIO51_nPIOW,
 	GPIO54_nPCE_2,
 	GPIO55_nPREG,
 	GPIO56_nPWAIT,
 	GPIO57_nIOIS16, /* maybe unused */
 	GPIO85_nPCE_1,
 	GPIO98_GPIO, /* CF IRQ */
 	GPIO99_GPIO, /* CF CD */
 	GPIO103_GPIO, /* Reset */

 	GPIO117_I2C_SCL,
 	GPIO118_I2C_SDA,
 };

 static struct pxamci_platform_data csb726_mci = {
 	.detect_delay_ms	= 500,
 	.ocr_mask		= MMC_VDD_32_33|MMC_VDD_33_34,
 	/* FIXME setpower */
 	.gpio_card_detect	= CSB726_GPIO_MMC_DETECT,
 	.gpio_card_ro		= CSB726_GPIO_MMC_RO,
 	.gpio_power		= -1,
 };

 static struct pxaohci_platform_data csb726_ohci_platform_data = {
 	.port_mode	= PMM_NPS_MODE,
 	.flags		= ENABLE_PORT1 | NO_OC_PROTECTION,
 };

 static struct mtd_partition csb726_flash_partitions[] = {
 	{
 		.name		= "Bootloader",
 		.offset		= 0,
 		.size		= CSB726_FLASH_uMON,
 		.mask_flags	= MTD_WRITEABLE  /* force read-only */
 	},
 	{
 		.name		= "root",
 		.offset		= MTDPART_OFS_APPEND,
 		.size		= MTDPART_SIZ_FULL,
 	}
 };

 static struct physmap_flash_data csb726_flash_data = {
 	.width		= 2,
 	.parts		= csb726_flash_partitions,
 	.nr_parts	= ARRAY_SIZE(csb726_flash_partitions),
 };

 static struct resource csb726_flash_resources[] = {
 	{
 		.start          = PXA_CS0_PHYS,
 		.end            = PXA_CS0_PHYS + CSB726_FLASH_SIZE - 1 ,
 		.flags          = IORESOURCE_MEM,
 	}
 };

 static struct platform_device csb726_flash = {
 	.name           = "physmap-flash",
 	.dev            = {
 		.platform_data  = &csb726_flash_data,
 	},
 	.resource       = csb726_flash_resources,
 	.num_resources  = ARRAY_SIZE(csb726_flash_resources),
 };

 static struct resource csb726_sm501_resources[] = {
 	{
 		.start          = PXA_CS4_PHYS,
 		.end            = PXA_CS4_PHYS + SZ_8M - 1,
 		.flags          = IORESOURCE_MEM,
 		.name		= "sm501-localmem",
 	},
 	{
 		.start          = PXA_CS4_PHYS + SZ_64M - SZ_2M,
 		.end            = PXA_CS4_PHYS + SZ_64M - 1,
 		.flags          = IORESOURCE_MEM,
 		.name		= "sm501-regs",
 	},
 	{
 		.start		= CSB726_IRQ_SM501,
 		.end		= CSB726_IRQ_SM501,
 		.flags		= IORESOURCE_IRQ,
 	},
 };

 static struct sm501_initdata csb726_sm501_initdata = {
 /*	.devices	= SM501_USE_USB_HOST, */
 	.devices	= SM501_USE_USB_HOST | SM501_USE_UART0 | SM501_USE_UART1,
 };

 static struct sm501_platdata csb726_sm501_platdata = {
 	.init		= &csb726_sm501_initdata,
 };

 static struct platform_device csb726_sm501 = {
 	.name		= "sm501",
 	.id		= 0,
 	.num_resources	= ARRAY_SIZE(csb726_sm501_resources),
 	.resource	= csb726_sm501_resources,
 	.dev		= {
 		.platform_data = &csb726_sm501_platdata,
 	},
 };

 static struct resource csb726_lan_resources[] = {
 	{
 		.start	= PXA_CS3_PHYS,
 		.end	= PXA_CS3_PHYS + SZ_64K - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	{
 		.start	= CSB726_IRQ_LAN,
 		.end	= CSB726_IRQ_LAN,
 		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 	},
 };

 struct smsc911x_platform_config csb726_lan_config = {
 	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 	.irq_type	= SMSC911X_IRQ_TYPE_PUSH_PULL,
 	.flags		= SMSC911X_USE_32BIT,
 	.phy_interface	= PHY_INTERFACE_MODE_MII,
 };


 static struct platform_device csb726_lan = {
 	.name		= "smsc911x",
 	.id		= -1,
 	.num_resources	= ARRAY_SIZE(csb726_lan_resources),
 	.resource	= csb726_lan_resources,
 	.dev		= {
 		.platform_data	= &csb726_lan_config,
 	},
 };

 static struct platform_device *devices[] __initdata = {
 	&csb726_flash,
 	&csb726_sm501,
 	&csb726_lan,
 };

 static void __init csb726_init(void)
 {
 	pxa2xx_mfp_config(ARRAY_AND_SIZE(csb726_pin_config));
 /*	__raw_writel(0x7ffc3ffc, MSC1); *//* LAN9215/EXP_CS */
 /*	__raw_writel(0x06697ff4, MSC2); *//* none/SM501 */
 	__raw_writel((__raw_readl(MSC2) & ~0xffff) | 0x7ff4, MSC2); /* SM501 */

 	pxa_set_ffuart_info(NULL);
 	pxa_set_btuart_info(NULL);
 	pxa_set_stuart_info(NULL);
 	pxa_set_i2c_info(NULL);
 	pxa27x_set_i2c_power_info(NULL);
 	pxa_set_mci_info(&csb726_mci);
 	pxa_set_ohci_info(&csb726_ohci_platform_data);
 	pxa_set_ac97_info(NULL);

 	platform_add_devices(devices, ARRAY_SIZE(devices));
 }

 MACHINE_START(CSB726, "Cogent CSB726")
 	.atag_offset	= 0x100,
 	.map_io         = pxa27x_map_io,
 	.nr_irqs	= PXA_NR_IRQS,
 	.init_irq       = pxa27x_init_irq,
 	.handle_irq       = pxa27x_handle_irq,
 	.init_machine   = csb726_init,
 	.init_time	= pxa_timer_init,
 	.restart	= pxa_restart,
 MACHINE_END
	/*
	* Support for Cogent CSB726
	*
	* Copyright (c) 2008 Dmitry Eremin-Solenikov
	*
	* 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/kernel.h>
	#include <linux/init.h>
	#include <linux/io.h>
	#include <linux/gpio.h>
	#include <linux/platform_device.h>
	#include <linux/mtd/physmap.h>
	#include <linux/mtd/partitions.h>
	#include <linux/sm501.h>
	#include <linux/smsc911x.h>
	#include <linux/i2c/pxa-i2c.h>

	#include <asm/mach-types.h>
	#include <asm/mach/arch.h>
	#include <mach/csb726.h>
	#include <mach/pxa27x.h>
	#include <linux/platform_data/mmc-pxamci.h>
	#include <linux/platform_data/usb-ohci-pxa27x.h>
	#include <mach/audio.h>
	#include <mach/smemc.h>

	#include "generic.h"
	#include "devices.h"

	/*
	* n/a: 2, 5, 6, 7, 8, 23, 24, 25, 26, 27, 87, 88, 89,
	* nu: 58 -- 77, 90, 91, 93, 102, 105-108, 114-116,
	* XXX: 21,
	* XXX: 79 CS_3 for LAN9215 or PSKTSEL on R2, R3
	* XXX: 33 CS_5 for LAN9215 on R1
	*/

	static unsigned long csb726_pin_config[] = {
	GPIO78_nCS_2, /* EXP_CS */
	GPIO79_nCS_3, /* SMSC9215 */
	GPIO80_nCS_4, /* SM501 */

	GPIO52_GPIO, /* #SMSC9251 int */
	GPIO53_GPIO, /* SM501 int */

	GPIO1_GPIO, /* GPIO0 */
	GPIO11_GPIO, /* GPIO1 */
	GPIO9_GPIO, /* GPIO2 */
	GPIO10_GPIO, /* GPIO3 */
	GPIO16_PWM0_OUT, /* or GPIO4 */
	GPIO17_PWM1_OUT, /* or GPIO5 */
	GPIO94_GPIO, /* GPIO6 */
	GPIO95_GPIO, /* GPIO7 */
	GPIO96_GPIO, /* GPIO8 */
	GPIO97_GPIO, /* GPIO9 */
	GPIO15_GPIO, /* EXP_IRQ */
	GPIO18_RDY, /* EXP_WAIT */

	GPIO0_GPIO, /* PWR_INT */
	GPIO104_GPIO, /* PWR_OFF */

	GPIO12_GPIO, /* touch irq */

	GPIO13_SSP2_TXD,
	GPIO14_SSP2_SFRM,
	MFP_CFG_OUT(GPIO19, AF1, DRIVE_LOW),/* SSP2_SYSCLK */
	GPIO22_SSP2_SCLK,

	GPIO81_SSP3_TXD,
	GPIO82_SSP3_RXD,
	GPIO83_SSP3_SFRM,
	GPIO84_SSP3_SCLK,

	GPIO20_GPIO, /* SDIO int */
	GPIO32_MMC_CLK,
	GPIO92_MMC_DAT_0,
	GPIO109_MMC_DAT_1,
	GPIO110_MMC_DAT_2,
	GPIO111_MMC_DAT_3,
	GPIO112_MMC_CMD,
	GPIO100_GPIO, /* SD CD */
	GPIO101_GPIO, /* SD WP */

	GPIO28_AC97_BITCLK,
	GPIO29_AC97_SDATA_IN_0,
	GPIO30_AC97_SDATA_OUT,
	GPIO31_AC97_SYNC,
	GPIO113_AC97_nRESET,

	GPIO34_FFUART_RXD,
	GPIO35_FFUART_CTS,
	GPIO36_FFUART_DCD,
	GPIO37_FFUART_DSR,
	GPIO38_FFUART_RI,
	GPIO39_FFUART_TXD,
	GPIO40_FFUART_DTR,
	GPIO41_FFUART_RTS,

	GPIO42_BTUART_RXD,
	GPIO43_BTUART_TXD,
	GPIO44_BTUART_CTS,
	GPIO45_BTUART_RTS,

	GPIO46_STUART_RXD,
	GPIO47_STUART_TXD,

	GPIO48_nPOE,
	GPIO49_nPWE,
	GPIO50_nPIOR,
	GPIO51_nPIOW,
	GPIO54_nPCE_2,
	GPIO55_nPREG,
	GPIO56_nPWAIT,
	GPIO57_nIOIS16, /* maybe unused */
	GPIO85_nPCE_1,
	GPIO98_GPIO, /* CF IRQ */
	GPIO99_GPIO, /* CF CD */
	GPIO103_GPIO, /* Reset */

	GPIO117_I2C_SCL,
	GPIO118_I2C_SDA,
	};

	static struct pxamci_platform_data csb726_mci = {
	.detect_delay_ms = 500,
	.ocr_mask = MMC_VDD_32_33\|MMC_VDD_33_34,
	/* FIXME setpower */
	.gpio_card_detect = CSB726_GPIO_MMC_DETECT,
	.gpio_card_ro = CSB726_GPIO_MMC_RO,
	.gpio_power = -1,
	};

	static struct pxaohci_platform_data csb726_ohci_platform_data = {
	.port_mode = PMM_NPS_MODE,
	.flags = ENABLE_PORT1 \| NO_OC_PROTECTION,
	};

	static struct mtd_partition csb726_flash_partitions[] = {
	{
	.name = "Bootloader",
	.offset = 0,
	.size = CSB726_FLASH_uMON,
	.mask_flags = MTD_WRITEABLE /* force read-only */
	},
	{
	.name = "root",
	.offset = MTDPART_OFS_APPEND,
	.size = MTDPART_SIZ_FULL,
	}
	};

	static struct physmap_flash_data csb726_flash_data = {
	.width = 2,
	.parts = csb726_flash_partitions,
	.nr_parts = ARRAY_SIZE(csb726_flash_partitions),
	};

	static struct resource csb726_flash_resources[] = {
	{
	.start = PXA_CS0_PHYS,
	.end = PXA_CS0_PHYS + CSB726_FLASH_SIZE - 1 ,
	.flags = IORESOURCE_MEM,
	}
	};

	static struct platform_device csb726_flash = {
	.name = "physmap-flash",
	.dev = {
	.platform_data = &csb726_flash_data,
	},
	.resource = csb726_flash_resources,
	.num_resources = ARRAY_SIZE(csb726_flash_resources),
	};

	static struct resource csb726_sm501_resources[] = {
	{
	.start = PXA_CS4_PHYS,
	.end = PXA_CS4_PHYS + SZ_8M - 1,
	.flags = IORESOURCE_MEM,
	.name = "sm501-localmem",
	},
	{
	.start = PXA_CS4_PHYS + SZ_64M - SZ_2M,
	.end = PXA_CS4_PHYS + SZ_64M - 1,
	.flags = IORESOURCE_MEM,
	.name = "sm501-regs",
	},
	{
	.start = CSB726_IRQ_SM501,
	.end = CSB726_IRQ_SM501,
	.flags = IORESOURCE_IRQ,
	},
	};

	static struct sm501_initdata csb726_sm501_initdata = {
	/* .devices = SM501_USE_USB_HOST, */
	.devices = SM501_USE_USB_HOST \| SM501_USE_UART0 \| SM501_USE_UART1,
	};

	static struct sm501_platdata csb726_sm501_platdata = {
	.init = &csb726_sm501_initdata,
	};

	static struct platform_device csb726_sm501 = {
	.name = "sm501",
	.id = 0,
	.num_resources = ARRAY_SIZE(csb726_sm501_resources),
	.resource = csb726_sm501_resources,
	.dev = {
	.platform_data = &csb726_sm501_platdata,
	},
	};

	static struct resource csb726_lan_resources[] = {
	{
	.start = PXA_CS3_PHYS,
	.end = PXA_CS3_PHYS + SZ_64K - 1,
	.flags = IORESOURCE_MEM,
	},
	{
	.start = CSB726_IRQ_LAN,
	.end = CSB726_IRQ_LAN,
	.flags = IORESOURCE_IRQ \| IORESOURCE_IRQ_LOWEDGE,
	},
	};

	struct smsc911x_platform_config csb726_lan_config = {
	.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
	.irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
	.flags = SMSC911X_USE_32BIT,
	.phy_interface = PHY_INTERFACE_MODE_MII,
	};


	static struct platform_device csb726_lan = {
	.name = "smsc911x",
	.id = -1,
	.num_resources = ARRAY_SIZE(csb726_lan_resources),
	.resource = csb726_lan_resources,
	.dev = {
	.platform_data = &csb726_lan_config,
	},
	};

	static struct platform_device *devices[] __initdata = {
	&csb726_flash,
	&csb726_sm501,
	&csb726_lan,
	};

	static void __init csb726_init(void)
	{
	pxa2xx_mfp_config(ARRAY_AND_SIZE(csb726_pin_config));
	/* __raw_writel(0x7ffc3ffc, MSC1); // LAN9215/EXP_CS */
	/* __raw_writel(0x06697ff4, MSC2); // none/SM501 */
	__raw_writel((__raw_readl(MSC2) & ~0xffff) \| 0x7ff4, MSC2); /* SM501 */

	pxa_set_ffuart_info(NULL);
	pxa_set_btuart_info(NULL);
	pxa_set_stuart_info(NULL);
	pxa_set_i2c_info(NULL);
	pxa27x_set_i2c_power_info(NULL);
	pxa_set_mci_info(&csb726_mci);
	pxa_set_ohci_info(&csb726_ohci_platform_data);
	pxa_set_ac97_info(NULL);

	platform_add_devices(devices, ARRAY_SIZE(devices));
	}

	MACHINE_START(CSB726, "Cogent CSB726")
	.atag_offset = 0x100,
	.map_io = pxa27x_map_io,
	.nr_irqs = PXA_NR_IRQS,
	.init_irq = pxa27x_init_irq,
	.handle_irq = pxa27x_handle_irq,
	.init_machine = csb726_init,
	.init_time = pxa_timer_init,
	.restart = pxa_restart,
	MACHINE_END