Christopher Moore | 0eb6697 | 2008-07-18 00:25:10 +0200 | [diff] [blame^] | 1 | /* |
| 2 | * arch/arm/mach-orion5x/edmini_v2-setup.c |
| 3 | * |
| 4 | * LaCie Ethernet Disk mini V2 Setup |
| 5 | * |
| 6 | * Copyright (C) 2008 Christopher Moore <moore@free.fr> |
| 7 | * Copyright (C) 2008 Albert Aribaud <albert.aribaud@free.fr> |
| 8 | * |
| 9 | * This file is licensed under the terms of the GNU General Public |
| 10 | * License version 2. This program is licensed "as is" without any |
| 11 | * warranty of any kind, whether express or implied. |
| 12 | */ |
| 13 | |
| 14 | /* |
| 15 | * TODO: add Orion USB device port init when kernel.org support is added. |
| 16 | * TODO: add flash write support: see below. |
| 17 | * TODO: add power-off support. |
| 18 | * TODO: add I2C EEPROM support. |
| 19 | */ |
| 20 | |
| 21 | #include <linux/kernel.h> |
| 22 | #include <linux/init.h> |
| 23 | #include <linux/platform_device.h> |
| 24 | #include <linux/pci.h> |
| 25 | #include <linux/irq.h> |
| 26 | #include <linux/mtd/physmap.h> |
| 27 | #include <linux/mv643xx_eth.h> |
| 28 | #include <linux/i2c.h> |
| 29 | #include <linux/ata_platform.h> |
| 30 | #include <linux/gpio.h> |
| 31 | #include <asm/mach-types.h> |
| 32 | #include <asm/mach/arch.h> |
| 33 | #include <asm/mach/pci.h> |
| 34 | #include <mach/orion5x.h> |
| 35 | #include "common.h" |
| 36 | #include "mpp.h" |
| 37 | |
| 38 | /***************************************************************************** |
| 39 | * EDMINI_V2 Info |
| 40 | ****************************************************************************/ |
| 41 | |
| 42 | /* |
| 43 | * 512KB NOR flash Device bus boot chip select |
| 44 | */ |
| 45 | |
| 46 | #define EDMINI_V2_NOR_BOOT_BASE 0xfff80000 |
| 47 | #define EDMINI_V2_NOR_BOOT_SIZE SZ_512K |
| 48 | |
| 49 | /***************************************************************************** |
| 50 | * 512KB NOR Flash on BOOT Device |
| 51 | ****************************************************************************/ |
| 52 | |
| 53 | /* |
| 54 | * Currently the MTD code does not recognize the MX29LV400CBCT as a bottom |
| 55 | * -type device. This could cause risks of accidentally erasing critical |
| 56 | * flash sectors. We thus define a single, write-protected partition covering |
| 57 | * the whole flash. |
| 58 | * TODO: once the flash part TOP/BOTTOM detection issue is sorted out in the MTD |
| 59 | * code, break this into at least three partitions: 'u-boot code', 'u-boot |
| 60 | * environment' and 'whatever is left'. |
| 61 | */ |
| 62 | |
| 63 | static struct mtd_partition edmini_v2_partitions[] = { |
| 64 | { |
| 65 | .name = "Full512kb", |
| 66 | .size = 0x00080000, |
| 67 | .offset = 0x00000000, |
| 68 | .mask_flags = MTD_WRITEABLE, |
| 69 | }, |
| 70 | }; |
| 71 | |
| 72 | static struct physmap_flash_data edmini_v2_nor_flash_data = { |
| 73 | .width = 1, |
| 74 | .parts = edmini_v2_partitions, |
| 75 | .nr_parts = ARRAY_SIZE(edmini_v2_partitions), |
| 76 | }; |
| 77 | |
| 78 | static struct resource edmini_v2_nor_flash_resource = { |
| 79 | .flags = IORESOURCE_MEM, |
| 80 | .start = EDMINI_V2_NOR_BOOT_BASE, |
| 81 | .end = EDMINI_V2_NOR_BOOT_BASE |
| 82 | + EDMINI_V2_NOR_BOOT_SIZE - 1, |
| 83 | }; |
| 84 | |
| 85 | static struct platform_device edmini_v2_nor_flash = { |
| 86 | .name = "physmap-flash", |
| 87 | .id = 0, |
| 88 | .dev = { |
| 89 | .platform_data = &edmini_v2_nor_flash_data, |
| 90 | }, |
| 91 | .num_resources = 1, |
| 92 | .resource = &edmini_v2_nor_flash_resource, |
| 93 | }; |
| 94 | |
| 95 | /***************************************************************************** |
| 96 | * Ethernet |
| 97 | ****************************************************************************/ |
| 98 | |
| 99 | static struct mv643xx_eth_platform_data edmini_v2_eth_data = { |
| 100 | .phy_addr = 8, |
| 101 | }; |
| 102 | |
| 103 | /***************************************************************************** |
| 104 | * RTC 5C372a on I2C bus |
| 105 | ****************************************************************************/ |
| 106 | |
| 107 | #define EDMINIV2_RTC_GPIO 3 |
| 108 | |
| 109 | static struct i2c_board_info __initdata edmini_v2_i2c_rtc = { |
| 110 | I2C_BOARD_INFO("rs5c372a", 0x32), |
| 111 | .irq = 0, |
| 112 | }; |
| 113 | |
| 114 | /***************************************************************************** |
| 115 | * Sata |
| 116 | ****************************************************************************/ |
| 117 | |
| 118 | static struct mv_sata_platform_data edmini_v2_sata_data = { |
| 119 | .n_ports = 2, |
| 120 | }; |
| 121 | |
| 122 | /***************************************************************************** |
| 123 | * General Setup |
| 124 | ****************************************************************************/ |
| 125 | static struct orion5x_mpp_mode edminiv2_mpp_modes[] __initdata = { |
| 126 | { 0, MPP_UNUSED }, |
| 127 | { 1, MPP_UNUSED }, |
| 128 | { 2, MPP_UNUSED }, |
| 129 | { 3, MPP_GPIO }, /* RTC interrupt */ |
| 130 | { 4, MPP_UNUSED }, |
| 131 | { 5, MPP_UNUSED }, |
| 132 | { 6, MPP_UNUSED }, |
| 133 | { 7, MPP_UNUSED }, |
| 134 | { 8, MPP_UNUSED }, |
| 135 | { 9, MPP_UNUSED }, |
| 136 | { 10, MPP_UNUSED }, |
| 137 | { 11, MPP_UNUSED }, |
| 138 | { 12, MPP_SATA_LED }, /* SATA 0 presence */ |
| 139 | { 13, MPP_SATA_LED }, /* SATA 1 presence */ |
| 140 | { 14, MPP_SATA_LED }, /* SATA 0 active */ |
| 141 | { 15, MPP_SATA_LED }, /* SATA 1 active */ |
| 142 | /* 16: Power LED control (0 = On, 1 = Off) */ |
| 143 | { 16, MPP_GPIO }, |
| 144 | /* 17: Power LED control select (0 = CPLD, 1 = GPIO16) */ |
| 145 | { 17, MPP_GPIO }, |
| 146 | /* 18: Power button status (0 = Released, 1 = Pressed) */ |
| 147 | { 18, MPP_GPIO }, |
| 148 | { 19, MPP_UNUSED }, |
| 149 | { -1 } |
| 150 | }; |
| 151 | |
| 152 | static void __init edmini_v2_init(void) |
| 153 | { |
| 154 | /* |
| 155 | * Setup basic Orion functions. Need to be called early. |
| 156 | */ |
| 157 | orion5x_init(); |
| 158 | |
| 159 | orion5x_mpp_conf(edminiv2_mpp_modes); |
| 160 | |
| 161 | /* |
| 162 | * Configure peripherals. |
| 163 | */ |
| 164 | orion5x_ehci0_init(); |
| 165 | orion5x_eth_init(&edmini_v2_eth_data); |
| 166 | orion5x_i2c_init(); |
| 167 | orion5x_sata_init(&edmini_v2_sata_data); |
| 168 | orion5x_uart0_init(); |
| 169 | |
| 170 | orion5x_setup_dev_boot_win(EDMINI_V2_NOR_BOOT_BASE, |
| 171 | EDMINI_V2_NOR_BOOT_SIZE); |
| 172 | platform_device_register(&edmini_v2_nor_flash); |
| 173 | |
| 174 | pr_notice("edmini_v2: USB device port, flash write and power-off " |
| 175 | "are not yet supported.\n"); |
| 176 | |
| 177 | /* Get RTC IRQ and register the chip */ |
| 178 | if (gpio_request(EDMINIV2_RTC_GPIO, "rtc") == 0) { |
| 179 | if (gpio_direction_input(EDMINIV2_RTC_GPIO) == 0) |
| 180 | edmini_v2_i2c_rtc.irq = gpio_to_irq(EDMINIV2_RTC_GPIO); |
| 181 | else |
| 182 | gpio_free(EDMINIV2_RTC_GPIO); |
| 183 | } |
| 184 | |
| 185 | if (edmini_v2_i2c_rtc.irq == 0) |
| 186 | pr_warning("edmini_v2: failed to get RTC IRQ\n"); |
| 187 | |
| 188 | i2c_register_board_info(0, &edmini_v2_i2c_rtc, 1); |
| 189 | } |
| 190 | |
| 191 | /* Warning: LaCie use a wrong mach-type (0x20e=526) in their bootloader. */ |
| 192 | MACHINE_START(EDMINI_V2, "LaCie Ethernet Disk mini V2") |
| 193 | /* Maintainer: Christopher Moore <moore@free.fr> */ |
| 194 | .phys_io = ORION5X_REGS_PHYS_BASE, |
| 195 | .io_pg_offst = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC, |
| 196 | .boot_params = 0x00000100, |
| 197 | .init_machine = edmini_v2_init, |
| 198 | .map_io = orion5x_map_io, |
| 199 | .init_irq = orion5x_init_irq, |
| 200 | .timer = &orion5x_timer, |
| 201 | .fixup = tag_fixup_mem32, |
| 202 | MACHINE_END |