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/leds.h> 29#include <linux/gpio_keys.h> 30#include <linux/input.h> 31#include <linux/i2c.h> 32#include <linux/ata_platform.h> 33#include <linux/gpio.h> 34#include <asm/mach-types.h> 35#include <asm/mach/arch.h> 36#include <asm/mach/pci.h> 37#include <mach/orion5x.h> 38#include "common.h" 39#include "mpp.h" 40 41/***************************************************************************** 42 * EDMINI_V2 Info 43 ****************************************************************************/ 44 45/* 46 * 512KB NOR flash Device bus boot chip select 47 */ 48 49#define EDMINI_V2_NOR_BOOT_BASE 0xfff80000 50#define EDMINI_V2_NOR_BOOT_SIZE SZ_512K 51 52/***************************************************************************** 53 * 512KB NOR Flash on BOOT Device 54 ****************************************************************************/ 55 56/* 57 * Currently the MTD code does not recognize the MX29LV400CBCT as a bottom 58 * -type device. This could cause risks of accidentally erasing critical 59 * flash sectors. We thus define a single, write-protected partition covering 60 * the whole flash. 61 * TODO: once the flash part TOP/BOTTOM detection issue is sorted out in the MTD 62 * code, break this into at least three partitions: 'u-boot code', 'u-boot 63 * environment' and 'whatever is left'. 64 */ 65 66static struct mtd_partition edmini_v2_partitions[] = { 67 { 68 .name = "Full512kb", 69 .size = 0x00080000, 70 .offset = 0x00000000, 71 .mask_flags = MTD_WRITEABLE, 72 }, 73}; 74 75static struct physmap_flash_data edmini_v2_nor_flash_data = { 76 .width = 1, 77 .parts = edmini_v2_partitions, 78 .nr_parts = ARRAY_SIZE(edmini_v2_partitions), 79}; 80 81static struct resource edmini_v2_nor_flash_resource = { 82 .flags = IORESOURCE_MEM, 83 .start = EDMINI_V2_NOR_BOOT_BASE, 84 .end = EDMINI_V2_NOR_BOOT_BASE 85 + EDMINI_V2_NOR_BOOT_SIZE - 1, 86}; 87 88static struct platform_device edmini_v2_nor_flash = { 89 .name = "physmap-flash", 90 .id = 0, 91 .dev = { 92 .platform_data = &edmini_v2_nor_flash_data, 93 }, 94 .num_resources = 1, 95 .resource = &edmini_v2_nor_flash_resource, 96}; 97 98/***************************************************************************** 99 * Ethernet 100 ****************************************************************************/ 101 102static struct mv643xx_eth_platform_data edmini_v2_eth_data = { 103 .phy_addr = 8, 104}; 105 106/***************************************************************************** 107 * RTC 5C372a on I2C bus 108 ****************************************************************************/ 109 110#define EDMINIV2_RTC_GPIO 3 111 112static struct i2c_board_info __initdata edmini_v2_i2c_rtc = { 113 I2C_BOARD_INFO("rs5c372a", 0x32), 114 .irq = 0, 115}; 116 117/***************************************************************************** 118 * Sata 119 ****************************************************************************/ 120 121static struct mv_sata_platform_data edmini_v2_sata_data = { 122 .n_ports = 2, 123}; 124 125/***************************************************************************** 126 * GPIO LED (simple - doesn't use hardware blinking support) 127 ****************************************************************************/ 128 129#define EDMINI_V2_GPIO_LED_POWER 16 130 131static struct gpio_led edmini_v2_leds[] = { 132 { 133 .name = "power:blue", 134 .gpio = EDMINI_V2_GPIO_LED_POWER, 135 .active_low = 1, 136 }, 137}; 138 139static struct gpio_led_platform_data edmini_v2_led_data = { 140 .num_leds = ARRAY_SIZE(edmini_v2_leds), 141 .leds = edmini_v2_leds, 142}; 143 144static struct platform_device edmini_v2_gpio_leds = { 145 .name = "leds-gpio", 146 .id = -1, 147 .dev = { 148 .platform_data = &edmini_v2_led_data, 149 }, 150}; 151 152/**************************************************************************** 153 * GPIO key 154 ****************************************************************************/ 155 156#define EDMINI_V2_GPIO_KEY_POWER 18 157 158static struct gpio_keys_button edmini_v2_buttons[] = { 159 { 160 .code = KEY_POWER, 161 .gpio = EDMINI_V2_GPIO_KEY_POWER, 162 .desc = "Power Button", 163 .active_low = 0, 164 }, 165}; 166 167static struct gpio_keys_platform_data edmini_v2_button_data = { 168 .buttons = edmini_v2_buttons, 169 .nbuttons = ARRAY_SIZE(edmini_v2_buttons), 170}; 171 172static struct platform_device edmini_v2_gpio_buttons = { 173 .name = "gpio-keys", 174 .id = -1, 175 .dev = { 176 .platform_data = &edmini_v2_button_data, 177 }, 178}; 179 180/***************************************************************************** 181 * General Setup 182 ****************************************************************************/ 183static struct orion5x_mpp_mode edminiv2_mpp_modes[] __initdata = { 184 { 0, MPP_UNUSED }, 185 { 1, MPP_UNUSED }, 186 { 2, MPP_UNUSED }, 187 { 3, MPP_GPIO }, /* RTC interrupt */ 188 { 4, MPP_UNUSED }, 189 { 5, MPP_UNUSED }, 190 { 6, MPP_UNUSED }, 191 { 7, MPP_UNUSED }, 192 { 8, MPP_UNUSED }, 193 { 9, MPP_UNUSED }, 194 { 10, MPP_UNUSED }, 195 { 11, MPP_UNUSED }, 196 { 12, MPP_SATA_LED }, /* SATA 0 presence */ 197 { 13, MPP_SATA_LED }, /* SATA 1 presence */ 198 { 14, MPP_SATA_LED }, /* SATA 0 active */ 199 { 15, MPP_SATA_LED }, /* SATA 1 active */ 200 /* 16: Power LED control (0 = On, 1 = Off) */ 201 { 16, MPP_GPIO }, 202 /* 17: Power LED control select (0 = CPLD, 1 = GPIO16) */ 203 { 17, MPP_GPIO }, 204 /* 18: Power button status (0 = Released, 1 = Pressed) */ 205 { 18, MPP_GPIO }, 206 { 19, MPP_UNUSED }, 207 { -1 } 208}; 209 210static void __init edmini_v2_init(void) 211{ 212 /* 213 * Setup basic Orion functions. Need to be called early. 214 */ 215 orion5x_init(); 216 217 orion5x_mpp_conf(edminiv2_mpp_modes); 218 219 /* 220 * Configure peripherals. 221 */ 222 orion5x_ehci0_init(); 223 orion5x_eth_init(&edmini_v2_eth_data); 224 orion5x_i2c_init(); 225 orion5x_sata_init(&edmini_v2_sata_data); 226 orion5x_uart0_init(); 227 228 orion5x_setup_dev_boot_win(EDMINI_V2_NOR_BOOT_BASE, 229 EDMINI_V2_NOR_BOOT_SIZE); 230 platform_device_register(&edmini_v2_nor_flash); 231 platform_device_register(&edmini_v2_gpio_leds); 232 platform_device_register(&edmini_v2_gpio_buttons); 233 234 pr_notice("edmini_v2: USB device port, flash write and power-off " 235 "are not yet supported.\n"); 236 237 /* Get RTC IRQ and register the chip */ 238 if (gpio_request(EDMINIV2_RTC_GPIO, "rtc") == 0) { 239 if (gpio_direction_input(EDMINIV2_RTC_GPIO) == 0) 240 edmini_v2_i2c_rtc.irq = gpio_to_irq(EDMINIV2_RTC_GPIO); 241 else 242 gpio_free(EDMINIV2_RTC_GPIO); 243 } 244 245 if (edmini_v2_i2c_rtc.irq == 0) 246 pr_warning("edmini_v2: failed to get RTC IRQ\n"); 247 248 i2c_register_board_info(0, &edmini_v2_i2c_rtc, 1); 249} 250 251/* Warning: LaCie use a wrong mach-type (0x20e=526) in their bootloader. */ 252MACHINE_START(EDMINI_V2, "LaCie Ethernet Disk mini V2") 253 /* Maintainer: Christopher Moore <moore@free.fr> */ 254 .phys_io = ORION5X_REGS_PHYS_BASE, 255 .io_pg_offst = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC, 256 .boot_params = 0x00000100, 257 .init_machine = edmini_v2_init, 258 .map_io = orion5x_map_io, 259 .init_irq = orion5x_init_irq, 260 .timer = &orion5x_timer, 261 .fixup = tag_fixup_mem32, 262MACHINE_END 263