/* * 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