diff options
Diffstat (limited to 'arch/arm/mach-pxa/csb726.c')
| -rw-r--r-- | arch/arm/mach-pxa/csb726.c | 318 |
1 files changed, 318 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/csb726.c b/arch/arm/mach-pxa/csb726.c new file mode 100644 index 0000000..2b289f8 --- /dev/null +++ b/arch/arm/mach-pxa/csb726.c @@ -0,0 +1,318 @@ +/* + * 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 <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <mach/csb726.h> +#include <mach/mfp-pxa27x.h> +#include <mach/i2c.h> +#include <mach/mmc.h> +#include <mach/ohci.h> +#include <mach/pxa2xx-regs.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, + }, +}; + +static struct platform_device csb726_lan = { + .name = "smc911x", + .id = -1, + .num_resources = ARRAY_SIZE(csb726_lan_resources), + .resource = csb726_lan_resources, +}; + +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); + + 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 |