projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blame
| Commit | Line | Data |
|---|---|---|
| 90b8fc34 JK |
1 | /* |
| 2 | * linux/arch/arm/mach-pxa/gumstix.c | |
| 3 | * | |
| 4 | * Support for the Gumstix motherboards. | |
| 5 | * | |
| 6 | * Original Author: Craig Hughes | |
| 7 | * Created: Feb 14, 2008 | |
| 8 | * Copyright: Craig Hughes | |
| 9 | * | |
| 10 | * This program is free software; you can redistribute it and/or modify | |
| 11 | * it under the terms of the GNU General Public License version 2 as | |
| 12 | * published by the Free Software Foundation. | |
| 13 | * | |
| 14 | * Implemented based on lubbock.c by Nicolas Pitre and code from Craig | |
| 15 | * Hughes | |
| 16 | */ | |
| 17 | ||
| 18 | #include <linux/module.h> | |
| 19 | #include <linux/kernel.h> | |
| 20 | #include <linux/init.h> | |
| 21 | #include <linux/platform_device.h> | |
| 22 | #include <linux/interrupt.h> | |
| 23 | #include <linux/mtd/mtd.h> | |
| 24 | #include <linux/mtd/partitions.h> | |
| 25 | ||
| 26 | #include <asm/setup.h> | |
| 27 | #include <asm/memory.h> | |
| 28 | #include <asm/mach-types.h> | |
| a09e64fb | 29 | #include <mach/hardware.h> |
| 90b8fc34 JK |
30 | #include <asm/irq.h> |
| 31 | #include <asm/sizes.h> | |
| 32 | ||
| 33 | #include <asm/mach/arch.h> | |
| 34 | #include <asm/mach/map.h> | |
| 35 | #include <asm/mach/irq.h> | |
| 36 | #include <asm/mach/flash.h> | |
| a09e64fb RK |
37 | #include <mach/mmc.h> |
| 38 | #include <mach/udc.h> | |
| 39 | #include <mach/gumstix.h> | |
| 90b8fc34 | 40 | |
| a09e64fb RK |
41 | #include <mach/pxa-regs.h> |
| 42 | #include <mach/pxa2xx-regs.h> | |
| 43 | #include <mach/pxa2xx-gpio.h> | |
| 90b8fc34 JK |
44 | |
| 45 | #include "generic.h" | |
| 46 | ||
| 47 | static struct resource flash_resource = { | |
| 48 | .start = 0x00000000, | |
| 49 | .end = SZ_64M - 1, | |
| 50 | .flags = IORESOURCE_MEM, | |
| 51 | }; | |
| 52 | ||
| 53 | static struct mtd_partition gumstix_partitions[] = { | |
| 54 | { | |
| 55 | .name = "Bootloader", | |
| 56 | .size = 0x00040000, | |
| 57 | .offset = 0, | |
| 58 | .mask_flags = MTD_WRITEABLE /* force read-only */ | |
| 59 | } , { | |
| 60 | .name = "rootfs", | |
| 61 | .size = MTDPART_SIZ_FULL, | |
| 62 | .offset = MTDPART_OFS_APPEND | |
| 63 | } | |
| 64 | }; | |
| 65 | ||
| 66 | static struct flash_platform_data gumstix_flash_data = { | |
| 67 | .map_name = "cfi_probe", | |
| 68 | .parts = gumstix_partitions, | |
| 69 | .nr_parts = ARRAY_SIZE(gumstix_partitions), | |
| 70 | .width = 2, | |
| 71 | }; | |
| 72 | ||
| 73 | static struct platform_device gumstix_flash_device = { | |
| 74 | .name = "pxa2xx-flash", | |
| 75 | .id = 0, | |
| 76 | .dev = { | |
| 77 | .platform_data = &gumstix_flash_data, | |
| 78 | }, | |
| 79 | .resource = &flash_resource, | |
| 80 | .num_resources = 1, | |
| 81 | }; | |
| 82 | ||
| 83 | static struct platform_device *devices[] __initdata = { | |
| 84 | &gumstix_flash_device, | |
| 85 | }; | |
| 86 | ||
| 87 | #ifdef CONFIG_MMC_PXA | |
| 88 | static struct pxamci_platform_data gumstix_mci_platform_data; | |
| 89 | ||
| 90 | static int gumstix_mci_init(struct device *dev, irq_handler_t detect_int, | |
| 91 | void *data) | |
| 92 | { | |
| 93 | pxa_gpio_mode(GPIO6_MMCCLK_MD); | |
| 94 | pxa_gpio_mode(GPIO53_MMCCLK_MD); | |
| 95 | pxa_gpio_mode(GPIO8_MMCCS0_MD); | |
| 96 | ||
| 97 | return 0; | |
| 98 | } | |
| 99 | ||
| 100 | static struct pxamci_platform_data gumstix_mci_platform_data = { | |
| 101 | .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, | |
| 102 | .init = gumstix_mci_init, | |
| 103 | }; | |
| 104 | ||
| 105 | static void __init gumstix_mmc_init(void) | |
| 106 | { | |
| 107 | pxa_set_mci_info(&gumstix_mci_platform_data); | |
| 108 | } | |
| 109 | #else | |
| 110 | static void __init gumstix_mmc_init(void) | |
| 111 | { | |
| 112 | printk(KERN_INFO "Gumstix mmc disabled\n"); | |
| 113 | } | |
| 114 | #endif | |
| 115 | ||
| 116 | #ifdef CONFIG_USB_GADGET_PXA2XX | |
| 117 | static struct pxa2xx_udc_mach_info gumstix_udc_info __initdata = { | |
| 118 | .gpio_vbus = GPIO_GUMSTIX_USB_GPIOn, | |
| 119 | .gpio_pullup = GPIO_GUMSTIX_USB_GPIOx, | |
| 120 | }; | |
| 121 | ||
| 122 | static void __init gumstix_udc_init(void) | |
| 123 | { | |
| 124 | pxa_set_udc_info(&gumstix_udc_info); | |
| 125 | } | |
| 126 | #else | |
| 127 | static void gumstix_udc_init(void) | |
| 128 | { | |
| 129 | printk(KERN_INFO "Gumstix udc is disabled\n"); | |
| 130 | } | |
| 131 | #endif | |
| 132 | ||
| 133 | static void __init gumstix_init(void) | |
| 134 | { | |
| 135 | gumstix_udc_init(); | |
| 136 | gumstix_mmc_init(); | |
| 137 | (void) platform_add_devices(devices, ARRAY_SIZE(devices)); | |
| 138 | } | |
| 139 | ||
| 140 | MACHINE_START(GUMSTIX, "Gumstix") | |
| 141 | .phys_io = 0x40000000, | |
| 142 | .boot_params = 0xa0000100, /* match u-boot bi_boot_params */ | |
| 143 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, | |
| 144 | .map_io = pxa_map_io, | |
| 145 | .init_irq = pxa25x_init_irq, | |
| 146 | .timer = &pxa_timer, | |
| 147 | .init_machine = gumstix_init, | |
| 148 | MACHINE_END |