| /* | 
 |  *  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 <asm/mach-types.h> | 
 | #include <asm/mach/arch.h> | 
 | #include <mach/csb726.h> | 
 | #include <mach/mfp-pxa27x.h> | 
 | #include <plat/i2c.h> | 
 | #include <mach/mmc.h> | 
 | #include <mach/ohci.h> | 
 | #include <mach/pxa2xx-regs.h> | 
 | #include <mach/audio.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_data; | 
 |  | 
 | static int csb726_mci_init(struct device *dev, | 
 | 		irq_handler_t detect, void *data) | 
 | { | 
 | 	int err; | 
 |  | 
 | 	csb726_mci_data.detect_delay = msecs_to_jiffies(500); | 
 |  | 
 | 	err = gpio_request(CSB726_GPIO_MMC_DETECT, "MMC detect"); | 
 | 	if (err) | 
 | 		goto err_det_req; | 
 |  | 
 | 	err = gpio_direction_input(CSB726_GPIO_MMC_DETECT); | 
 | 	if (err) | 
 | 		goto err_det_dir; | 
 |  | 
 | 	err = gpio_request(CSB726_GPIO_MMC_RO, "MMC ro"); | 
 | 	if (err) | 
 | 		goto err_ro_req; | 
 |  | 
 | 	err = gpio_direction_input(CSB726_GPIO_MMC_RO); | 
 | 	if (err) | 
 | 		goto err_ro_dir; | 
 |  | 
 | 	err = request_irq(gpio_to_irq(CSB726_GPIO_MMC_DETECT), detect, | 
 | 			IRQF_DISABLED, "MMC card detect", data); | 
 | 	if (err) | 
 | 		goto err_irq; | 
 |  | 
 | 	return 0; | 
 |  | 
 | err_irq: | 
 | err_ro_dir: | 
 | 	gpio_free(CSB726_GPIO_MMC_RO); | 
 | err_ro_req: | 
 | err_det_dir: | 
 | 	gpio_free(CSB726_GPIO_MMC_DETECT); | 
 | err_det_req: | 
 | 	return err; | 
 | } | 
 |  | 
 | static int csb726_mci_get_ro(struct device *dev) | 
 | { | 
 | 	return gpio_get_value(CSB726_GPIO_MMC_RO); | 
 | } | 
 |  | 
 | static void csb726_mci_exit(struct device *dev, void *data) | 
 | { | 
 | 	free_irq(gpio_to_irq(CSB726_GPIO_MMC_DETECT), data); | 
 | 	gpio_free(CSB726_GPIO_MMC_RO); | 
 | 	gpio_free(CSB726_GPIO_MMC_DETECT); | 
 | } | 
 |  | 
 | static struct pxamci_platform_data csb726_mci = { | 
 | 	.ocr_mask	= MMC_VDD_32_33|MMC_VDD_33_34, | 
 | 	.init		= csb726_mci_init, | 
 | 	.get_ro		= csb726_mci_get_ro, | 
 | 	/* FIXME setpower */ | 
 | 	.exit		= csb726_mci_exit, | 
 | }; | 
 |  | 
 | 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_type	= 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)); | 
 | /*	MSC1 = 0x7ffc3ffc; *//* LAN9215/EXP_CS */ | 
 | /*	MSC2 = 0x06697ff4; *//* none/SM501 */ | 
 | 	MSC2 = (MSC2 & ~0xffff) | 0x7ff4; /* SM501 */ | 
 |  | 
 | 	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") | 
 | 	.phys_io	= 0x40000000, | 
 | 	.boot_params	= 0xa0000100, | 
 | 	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc, | 
 | 	.map_io         = pxa_map_io, | 
 | 	.init_irq       = pxa27x_init_irq, | 
 | 	.init_machine   = csb726_init, | 
 | 	.timer          = &pxa_timer, | 
 | MACHINE_END |