projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 5fc9f9a1 DM |
1 | /* |
| 2 | * arch/arm/mach-pxa/colibri-pxa300.c | |
| 3 | * | |
| 4 | * Support for Toradex PXA300 based Colibri module | |
| 5 | * Daniel Mack <daniel@caiaq.de> | |
| 6 | * | |
| 7 | * This program is free software; you can redistribute it and/or modify | |
| 8 | * it under the terms of the GNU General Public License version 2 as | |
| 9 | * published by the Free Software Foundation. | |
| 10 | */ | |
| 11 | ||
| 12 | #include <linux/init.h> | |
| 13 | #include <linux/kernel.h> | |
| 14 | #include <linux/platform_device.h> | |
| 15 | #include <linux/gpio.h> | |
| 16 | #include <net/ax88796.h> | |
| 17 | ||
| 18 | #include <asm/mach-types.h> | |
| 19 | #include <asm/mach/arch.h> | |
| 20 | #include <asm/mach/irq.h> | |
| 21 | ||
| 22 | #include <mach/pxa300.h> | |
| 23 | #include <mach/colibri.h> | |
| ebc046c2 | 24 | #include <mach/mmc.h> |
| 5fc9f9a1 DM |
25 | |
| 26 | #include "generic.h" | |
| 27 | #include "devices.h" | |
| 28 | ||
| 29 | /* | |
| 30 | * GPIO configuration | |
| 31 | */ | |
| 32 | static mfp_cfg_t colibri_pxa300_pin_config[] __initdata = { | |
| 33 | GPIO1_nCS2, /* AX88796 chip select */ | |
| 34 | GPIO26_GPIO | MFP_PULL_HIGH, /* AX88796 IRQ */ | |
| ebc046c2 DM |
35 | |
| 36 | #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE) | |
| 37 | GPIO7_MMC1_CLK, | |
| 38 | GPIO14_MMC1_CMD, | |
| 39 | GPIO3_MMC1_DAT0, | |
| 40 | GPIO4_MMC1_DAT1, | |
| 41 | GPIO5_MMC1_DAT2, | |
| 42 | GPIO6_MMC1_DAT3, | |
| 43 | #endif | |
| 5fc9f9a1 DM |
44 | }; |
| 45 | ||
| 46 | #if defined(CONFIG_AX88796) | |
| 47 | /* | |
| 48 | * Asix AX88796 Ethernet | |
| 49 | */ | |
| 50 | static struct ax_plat_data colibri_asix_platdata = { | |
| 51 | .flags = AXFLG_MAC_FROMDEV, | |
| 52 | .wordlength = 2, | |
| 53 | .dcr_val = 0x01, | |
| 54 | .rcr_val = 0x0e, | |
| 55 | .gpoc_val = 0x19 | |
| 56 | }; | |
| 57 | ||
| 58 | static struct resource colibri_asix_resource[] = { | |
| 59 | [0] = { | |
| 60 | .start = PXA3xx_CS2_PHYS, | |
| 61 | .end = PXA3xx_CS2_PHYS + (0x18 * 0x2) - 1, | |
| 62 | .flags = IORESOURCE_MEM, | |
| 63 | }, | |
| 64 | [1] = { | |
| 65 | .start = PXA3xx_CS2_PHYS + (1 << 11), | |
| 66 | .end = PXA3xx_CS2_PHYS + (1 << 11) + 0x3fff, | |
| 67 | .flags = IORESOURCE_MEM, | |
| 68 | }, | |
| 69 | [2] = { | |
| 70 | .start = COLIBRI_PXA300_ETH_IRQ, | |
| 71 | .end = COLIBRI_PXA300_ETH_IRQ, | |
| 72 | .flags = IORESOURCE_IRQ | |
| 73 | } | |
| 74 | }; | |
| 75 | ||
| 76 | static struct platform_device asix_device = { | |
| 77 | .name = "ax88796", | |
| 78 | .id = 0, | |
| 79 | .num_resources = ARRAY_SIZE(colibri_asix_resource), | |
| 80 | .resource = colibri_asix_resource, | |
| 81 | .dev = { | |
| 82 | .platform_data = &colibri_asix_platdata | |
| 83 | } | |
| 84 | }; | |
| 85 | #endif /* CONFIG_AX88796 */ | |
| 86 | ||
| 87 | static struct platform_device *colibri_pxa300_devices[] __initdata = { | |
| 88 | #if defined(CONFIG_AX88796) | |
| 89 | &asix_device | |
| 90 | #endif | |
| 91 | }; | |
| 92 | ||
| ebc046c2 DM |
93 | #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE) |
| 94 | #define MMC_DETECT_PIN mfp_to_gpio(MFP_PIN_GPIO13) | |
| 95 | ||
| 96 | static int colibri_pxa300_mci_init(struct device *dev, | |
| 97 | irq_handler_t colibri_mmc_detect_int, | |
| 98 | void *data) | |
| 99 | { | |
| 100 | int ret; | |
| 101 | ||
| 102 | ret = gpio_request(MMC_DETECT_PIN, "mmc card detect"); | |
| 103 | if (ret) | |
| 104 | return ret; | |
| 105 | ||
| 106 | gpio_direction_input(MMC_DETECT_PIN); | |
| 107 | ret = request_irq(gpio_to_irq(MMC_DETECT_PIN), colibri_mmc_detect_int, | |
| 108 | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, | |
| 109 | "MMC card detect", data); | |
| 110 | if (ret) { | |
| 111 | gpio_free(MMC_DETECT_PIN); | |
| 112 | return ret; | |
| 113 | } | |
| 114 | ||
| 115 | return 0; | |
| 116 | } | |
| 117 | ||
| 118 | static void colibri_pxa300_mci_exit(struct device *dev, void *data) | |
| 119 | { | |
| 120 | free_irq(MMC_DETECT_PIN, data); | |
| 121 | gpio_free(gpio_to_irq(MMC_DETECT_PIN)); | |
| 122 | } | |
| 123 | ||
| 124 | static struct pxamci_platform_data colibri_pxa300_mci_platform_data = { | |
| 125 | .detect_delay = 20, | |
| 126 | .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, | |
| 127 | .init = colibri_pxa300_mci_init, | |
| 128 | .exit = colibri_pxa300_mci_exit, | |
| 129 | }; | |
| 130 | ||
| 131 | static void __init colibri_pxa300_init_mmc(void) | |
| 132 | { | |
| 133 | pxa_set_mci_info(&colibri_pxa300_mci_platform_data); | |
| 134 | } | |
| 135 | ||
| 136 | #else | |
| 137 | static inline void colibri_pxa300_init_mmc(void) {} | |
| 138 | #endif /* CONFIG_MMC_PXA */ | |
| 139 | ||
| 5fc9f9a1 DM |
140 | static void __init colibri_pxa300_init(void) |
| 141 | { | |
| 142 | set_irq_type(COLIBRI_PXA300_ETH_IRQ, IRQ_TYPE_EDGE_FALLING); | |
| 143 | pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_pin_config)); | |
| 144 | platform_add_devices(ARRAY_AND_SIZE(colibri_pxa300_devices)); | |
| ebc046c2 | 145 | colibri_pxa300_init_mmc(); |
| 5fc9f9a1 DM |
146 | } |
| 147 | ||
| 148 | MACHINE_START(COLIBRI300, "Toradex Colibri PXA300") | |
| 149 | .phys_io = 0x40000000, | |
| 150 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, | |
| 151 | .boot_params = COLIBRI_SDRAM_BASE + 0x100, | |
| 152 | .init_machine = colibri_pxa300_init, | |
| 153 | .map_io = pxa_map_io, | |
| 154 | .init_irq = pxa3xx_init_irq, | |
| 155 | .timer = &pxa_timer, | |
| 156 | MACHINE_END | |
| 157 |