Rob Emanuele | 864f38e | 2009-09-22 16:45:22 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2005 SAN People |
| 3 | * Copyright (C) 2008 Atmel |
| 4 | * Copyright (C) 2009 Rob Emanuele |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
| 20 | |
| 21 | #include <linux/types.h> |
| 22 | #include <linux/init.h> |
| 23 | #include <linux/mm.h> |
| 24 | #include <linux/module.h> |
| 25 | #include <linux/platform_device.h> |
| 26 | #include <linux/spi/spi.h> |
| 27 | #include <linux/spi/at73c213.h> |
| 28 | #include <linux/clk.h> |
| 29 | |
| 30 | #include <mach/hardware.h> |
| 31 | #include <asm/setup.h> |
| 32 | #include <asm/mach-types.h> |
| 33 | #include <asm/irq.h> |
| 34 | |
| 35 | #include <asm/mach/arch.h> |
| 36 | #include <asm/mach/map.h> |
| 37 | #include <asm/mach/irq.h> |
| 38 | |
| 39 | #include <mach/board.h> |
| 40 | #include <mach/gpio.h> |
| 41 | #include <mach/at91sam9_smc.h> |
| 42 | |
| 43 | #include "sam9_smc.h" |
| 44 | #include "generic.h" |
| 45 | |
| 46 | |
| 47 | static void __init ek_map_io(void) |
| 48 | { |
| 49 | /* Initialize processor: 18.432 MHz crystal */ |
| 50 | at91sam9260_initialize(18432000); |
| 51 | |
| 52 | /* DGBU on ttyS0. (Rx & Tx only) */ |
| 53 | at91_register_uart(0, 0, 0); |
| 54 | |
| 55 | /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */ |
| 56 | at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS |
| 57 | | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD |
| 58 | | ATMEL_UART_RI); |
| 59 | |
| 60 | /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */ |
| 61 | at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS); |
| 62 | |
| 63 | /* set serial console to ttyS0 (ie, DBGU) */ |
| 64 | at91_set_serial_console(0); |
| 65 | } |
| 66 | |
| 67 | static void __init ek_init_irq(void) |
| 68 | { |
| 69 | at91sam9260_init_interrupts(NULL); |
| 70 | } |
| 71 | |
| 72 | |
| 73 | /* |
| 74 | * USB Host port |
| 75 | */ |
| 76 | static struct at91_usbh_data __initdata ek_usbh_data = { |
| 77 | .ports = 2, |
| 78 | }; |
| 79 | |
| 80 | /* |
| 81 | * USB Device port |
| 82 | */ |
| 83 | static struct at91_udc_data __initdata ek_udc_data = { |
| 84 | .vbus_pin = AT91_PIN_PC5, |
| 85 | .pullup_pin = 0, /* pull-up driven by UDC */ |
| 86 | }; |
| 87 | |
| 88 | |
| 89 | /* |
| 90 | * SPI devices. |
| 91 | */ |
| 92 | static struct spi_board_info ek_spi_devices[] = { |
Nicolas Ferre | 0f74296 | 2009-10-20 16:32:53 +0200 | [diff] [blame] | 93 | #if !(defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_AT91)) |
Rob Emanuele | 864f38e | 2009-09-22 16:45:22 -0700 | [diff] [blame] | 94 | { /* DataFlash chip */ |
| 95 | .modalias = "mtd_dataflash", |
| 96 | .chip_select = 1, |
| 97 | .max_speed_hz = 15 * 1000 * 1000, |
| 98 | .bus_num = 0, |
| 99 | }, |
| 100 | #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD) |
| 101 | { /* DataFlash card */ |
| 102 | .modalias = "mtd_dataflash", |
| 103 | .chip_select = 0, |
| 104 | .max_speed_hz = 15 * 1000 * 1000, |
| 105 | .bus_num = 0, |
| 106 | }, |
| 107 | #endif |
| 108 | #endif |
| 109 | }; |
| 110 | |
| 111 | |
| 112 | /* |
| 113 | * MACB Ethernet device |
| 114 | */ |
| 115 | static struct at91_eth_data __initdata ek_macb_data = { |
Nicolas Ferre | 0f74296 | 2009-10-20 16:32:53 +0200 | [diff] [blame] | 116 | .phy_irq_pin = AT91_PIN_PB0, |
Rob Emanuele | 864f38e | 2009-09-22 16:45:22 -0700 | [diff] [blame] | 117 | .is_rmii = 1, |
| 118 | }; |
| 119 | |
| 120 | |
| 121 | /* |
| 122 | * NAND flash |
| 123 | */ |
| 124 | static struct mtd_partition __initdata ek_nand_partition[] = { |
| 125 | { |
| 126 | .name = "Bootstrap", |
| 127 | .offset = 0, |
| 128 | .size = 4 * SZ_1M, |
| 129 | }, |
| 130 | { |
| 131 | .name = "Partition 1", |
| 132 | .offset = MTDPART_OFS_NXTBLK, |
| 133 | .size = 60 * SZ_1M, |
| 134 | }, |
| 135 | { |
| 136 | .name = "Partition 2", |
| 137 | .offset = MTDPART_OFS_NXTBLK, |
| 138 | .size = MTDPART_SIZ_FULL, |
| 139 | }, |
| 140 | }; |
| 141 | |
| 142 | static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) |
| 143 | { |
| 144 | *num_partitions = ARRAY_SIZE(ek_nand_partition); |
| 145 | return ek_nand_partition; |
| 146 | } |
| 147 | |
| 148 | /* det_pin is not connected */ |
| 149 | static struct atmel_nand_data __initdata ek_nand_data = { |
| 150 | .ale = 21, |
| 151 | .cle = 22, |
| 152 | .rdy_pin = AT91_PIN_PC13, |
| 153 | .enable_pin = AT91_PIN_PC14, |
| 154 | .partition_info = nand_partitions, |
| 155 | #if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16) |
| 156 | .bus_width_16 = 1, |
| 157 | #else |
| 158 | .bus_width_16 = 0, |
| 159 | #endif |
| 160 | }; |
| 161 | |
| 162 | static struct sam9_smc_config __initdata ek_nand_smc_config = { |
| 163 | .ncs_read_setup = 0, |
| 164 | .nrd_setup = 2, |
| 165 | .ncs_write_setup = 0, |
| 166 | .nwe_setup = 2, |
| 167 | |
| 168 | .ncs_read_pulse = 4, |
| 169 | .nrd_pulse = 4, |
| 170 | .ncs_write_pulse = 4, |
| 171 | .nwe_pulse = 4, |
| 172 | |
| 173 | .read_cycle = 7, |
| 174 | .write_cycle = 7, |
| 175 | |
| 176 | .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE, |
| 177 | .tdf_cycles = 3, |
| 178 | }; |
| 179 | |
| 180 | static void __init ek_add_device_nand(void) |
| 181 | { |
| 182 | /* setup bus-width (8 or 16) */ |
| 183 | if (ek_nand_data.bus_width_16) |
| 184 | ek_nand_smc_config.mode |= AT91_SMC_DBW_16; |
| 185 | else |
| 186 | ek_nand_smc_config.mode |= AT91_SMC_DBW_8; |
| 187 | |
| 188 | /* configure chip-select 3 (NAND) */ |
| 189 | sam9_smc_configure(3, &ek_nand_smc_config); |
| 190 | |
| 191 | at91_add_device_nand(&ek_nand_data); |
| 192 | } |
| 193 | |
| 194 | |
| 195 | /* |
| 196 | * MCI (SD/MMC) |
Nicolas Ferre | 0f74296 | 2009-10-20 16:32:53 +0200 | [diff] [blame] | 197 | * wp_pin is not connected |
Rob Emanuele | 864f38e | 2009-09-22 16:45:22 -0700 | [diff] [blame] | 198 | */ |
| 199 | #if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE) |
| 200 | static struct mci_platform_data __initdata ek_mmc_data = { |
| 201 | .slot[0] = { |
| 202 | .bus_width = 4, |
Nicolas Ferre | 0f74296 | 2009-10-20 16:32:53 +0200 | [diff] [blame] | 203 | .detect_pin = AT91_PIN_PC2, |
Rob Emanuele | 864f38e | 2009-09-22 16:45:22 -0700 | [diff] [blame] | 204 | .wp_pin = -ENODEV, |
| 205 | }, |
| 206 | .slot[1] = { |
| 207 | .bus_width = 4, |
Nicolas Ferre | 0f74296 | 2009-10-20 16:32:53 +0200 | [diff] [blame] | 208 | .detect_pin = AT91_PIN_PC9, |
Rob Emanuele | 864f38e | 2009-09-22 16:45:22 -0700 | [diff] [blame] | 209 | .wp_pin = -ENODEV, |
| 210 | }, |
| 211 | |
| 212 | }; |
| 213 | #else |
Nicolas Ferre | 0f74296 | 2009-10-20 16:32:53 +0200 | [diff] [blame] | 214 | static struct at91_mmc_data __initdata ek_mmc_data = { |
| 215 | .slot_b = 1, /* Only one slot so use slot B */ |
| 216 | .wire4 = 1, |
| 217 | .det_pin = AT91_PIN_PC9, |
Rob Emanuele | 864f38e | 2009-09-22 16:45:22 -0700 | [diff] [blame] | 218 | }; |
| 219 | #endif |
| 220 | |
| 221 | /* |
| 222 | * LEDs |
| 223 | */ |
| 224 | static struct gpio_led ek_leds[] = { |
| 225 | { /* "bottom" led, green, userled1 to be defined */ |
| 226 | .name = "ds5", |
Nicolas Ferre | 0f74296 | 2009-10-20 16:32:53 +0200 | [diff] [blame] | 227 | .gpio = AT91_PIN_PB8, |
Rob Emanuele | 864f38e | 2009-09-22 16:45:22 -0700 | [diff] [blame] | 228 | .active_low = 1, |
| 229 | .default_trigger = "none", |
| 230 | }, |
| 231 | { /* "power" led, yellow */ |
| 232 | .name = "ds1", |
Nicolas Ferre | 0f74296 | 2009-10-20 16:32:53 +0200 | [diff] [blame] | 233 | .gpio = AT91_PIN_PB9, |
Rob Emanuele | 864f38e | 2009-09-22 16:45:22 -0700 | [diff] [blame] | 234 | .default_trigger = "heartbeat", |
| 235 | } |
| 236 | }; |
| 237 | |
| 238 | static struct i2c_board_info __initdata ek_i2c_devices[] = { |
| 239 | { |
| 240 | I2C_BOARD_INFO("24c512", 0x50), |
| 241 | }, |
| 242 | }; |
| 243 | |
| 244 | |
| 245 | static void __init ek_board_init(void) |
| 246 | { |
| 247 | /* Serial */ |
| 248 | at91_add_device_serial(); |
| 249 | /* USB Host */ |
| 250 | at91_add_device_usbh(&ek_usbh_data); |
| 251 | /* USB Device */ |
| 252 | at91_add_device_udc(&ek_udc_data); |
| 253 | /* SPI */ |
| 254 | at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); |
| 255 | /* NAND */ |
| 256 | ek_add_device_nand(); |
| 257 | /* Ethernet */ |
| 258 | at91_add_device_eth(&ek_macb_data); |
| 259 | /* MMC */ |
Nicolas Ferre | 0f74296 | 2009-10-20 16:32:53 +0200 | [diff] [blame] | 260 | #if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE) |
Rob Emanuele | 864f38e | 2009-09-22 16:45:22 -0700 | [diff] [blame] | 261 | at91_add_device_mci(0, &ek_mmc_data); |
Nicolas Ferre | 0f74296 | 2009-10-20 16:32:53 +0200 | [diff] [blame] | 262 | #else |
| 263 | at91_add_device_mmc(0, &ek_mmc_data); |
| 264 | #endif |
Rob Emanuele | 864f38e | 2009-09-22 16:45:22 -0700 | [diff] [blame] | 265 | /* I2C */ |
| 266 | at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices)); |
| 267 | /* LEDs */ |
| 268 | at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); |
| 269 | /* PCK0 provides MCLK to the WM8731 */ |
| 270 | at91_set_B_periph(AT91_PIN_PC1, 0); |
| 271 | /* SSC (for WM8731) */ |
| 272 | at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX); |
| 273 | } |
| 274 | |
| 275 | MACHINE_START(AT91SAM9G20EK_2MMC, "Atmel AT91SAM9G20-EK 2 MMC Slot Mod") |
| 276 | /* Maintainer: Rob Emanuele */ |
| 277 | .phys_io = AT91_BASE_SYS, |
| 278 | .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, |
| 279 | .boot_params = AT91_SDRAM_BASE + 0x100, |
| 280 | .timer = &at91sam926x_timer, |
| 281 | .map_io = ek_map_io, |
| 282 | .init_irq = ek_init_irq, |
| 283 | .init_machine = ek_board_init, |
| 284 | MACHINE_END |