Andrew Victor | 022cbd7 | 2006-12-01 14:38:59 +0100 | [diff] [blame] | 1 | /* |
Andrew Victor | d0760b3 | 2007-02-08 09:00:39 +0100 | [diff] [blame^] | 2 | * linux/arch/arm/mach-at91/board-sam9261ek.c |
Andrew Victor | 022cbd7 | 2006-12-01 14:38:59 +0100 | [diff] [blame] | 3 | * |
| 4 | * Copyright (C) 2005 SAN People |
| 5 | * Copyright (C) 2006 Atmel |
| 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 as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 20 | */ |
| 21 | |
| 22 | #include <linux/types.h> |
| 23 | #include <linux/init.h> |
| 24 | #include <linux/mm.h> |
| 25 | #include <linux/module.h> |
| 26 | #include <linux/platform_device.h> |
| 27 | #include <linux/spi/spi.h> |
| 28 | #include <linux/dm9000.h> |
| 29 | |
| 30 | #include <asm/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 <asm/arch/board.h> |
| 40 | #include <asm/arch/gpio.h> |
| 41 | #include <asm/arch/at91sam926x_mc.h> |
| 42 | |
| 43 | #include "generic.h" |
| 44 | |
| 45 | |
| 46 | /* |
| 47 | * Serial port configuration. |
| 48 | * 0 .. 2 = USART0 .. USART2 |
| 49 | * 3 = DBGU |
| 50 | */ |
| 51 | static struct at91_uart_config __initdata ek_uart_config = { |
| 52 | .console_tty = 0, /* ttyS0 */ |
| 53 | .nr_tty = 1, |
| 54 | .tty_map = { 3, -1, -1, -1 } /* ttyS0, ..., ttyS3 */ |
| 55 | }; |
| 56 | |
| 57 | static void __init ek_map_io(void) |
| 58 | { |
| 59 | /* Initialize processor: 18.432 MHz crystal */ |
| 60 | at91sam9261_initialize(18432000); |
| 61 | |
| 62 | /* Setup the serial ports and console */ |
| 63 | at91_init_serial(&ek_uart_config); |
| 64 | } |
| 65 | |
| 66 | static void __init ek_init_irq(void) |
| 67 | { |
| 68 | at91sam9261_init_interrupts(NULL); |
| 69 | } |
| 70 | |
| 71 | |
| 72 | /* |
| 73 | * DM9000 ethernet device |
| 74 | */ |
| 75 | #if defined(CONFIG_DM9000) |
| 76 | static struct resource at91sam9261_dm9000_resource[] = { |
| 77 | [0] = { |
| 78 | .start = AT91_CHIPSELECT_2, |
| 79 | .end = AT91_CHIPSELECT_2 + 3, |
| 80 | .flags = IORESOURCE_MEM |
| 81 | }, |
| 82 | [1] = { |
| 83 | .start = AT91_CHIPSELECT_2 + 0x44, |
| 84 | .end = AT91_CHIPSELECT_2 + 0xFF, |
| 85 | .flags = IORESOURCE_MEM |
| 86 | }, |
| 87 | [2] = { |
| 88 | .start = AT91_PIN_PC11, |
| 89 | .end = AT91_PIN_PC11, |
| 90 | .flags = IORESOURCE_IRQ |
| 91 | } |
| 92 | }; |
| 93 | |
| 94 | static struct dm9000_plat_data dm9000_platdata = { |
| 95 | .flags = DM9000_PLATF_16BITONLY, |
| 96 | }; |
| 97 | |
| 98 | static struct platform_device at91sam9261_dm9000_device = { |
| 99 | .name = "dm9000", |
| 100 | .id = 0, |
| 101 | .num_resources = ARRAY_SIZE(at91sam9261_dm9000_resource), |
| 102 | .resource = at91sam9261_dm9000_resource, |
| 103 | .dev = { |
| 104 | .platform_data = &dm9000_platdata, |
| 105 | } |
| 106 | }; |
| 107 | |
| 108 | static void __init ek_add_device_dm9000(void) |
| 109 | { |
| 110 | /* |
| 111 | * Configure Chip-Select 2 on SMC for the DM9000. |
| 112 | * Note: These timings were calculated for MASTER_CLOCK = 100000000 |
| 113 | * according to the DM9000 timings. |
| 114 | */ |
| 115 | at91_sys_write(AT91_SMC_SETUP(2), AT91_SMC_NWESETUP_(2) | AT91_SMC_NCS_WRSETUP_(0) | AT91_SMC_NRDSETUP_(2) | AT91_SMC_NCS_RDSETUP_(0)); |
| 116 | at91_sys_write(AT91_SMC_PULSE(2), AT91_SMC_NWEPULSE_(4) | AT91_SMC_NCS_WRPULSE_(8) | AT91_SMC_NRDPULSE_(4) | AT91_SMC_NCS_RDPULSE_(8)); |
| 117 | at91_sys_write(AT91_SMC_CYCLE(2), AT91_SMC_NWECYCLE_(16) | AT91_SMC_NRDCYCLE_(16)); |
| 118 | at91_sys_write(AT91_SMC_MODE(2), AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | AT91_SMC_DBW_16 | AT91_SMC_TDF_(1)); |
| 119 | |
| 120 | /* Configure Reset signal as output */ |
| 121 | at91_set_gpio_output(AT91_PIN_PC10, 0); |
| 122 | |
| 123 | /* Configure Interrupt pin as input, no pull-up */ |
| 124 | at91_set_gpio_input(AT91_PIN_PC11, 0); |
| 125 | |
| 126 | platform_device_register(&at91sam9261_dm9000_device); |
| 127 | } |
| 128 | #else |
| 129 | static void __init ek_add_device_dm9000(void) {} |
| 130 | #endif /* CONFIG_DM9000 */ |
| 131 | |
| 132 | |
| 133 | /* |
| 134 | * USB Host Port |
| 135 | */ |
| 136 | static struct at91_usbh_data __initdata ek_usbh_data = { |
| 137 | .ports = 2, |
| 138 | }; |
| 139 | |
| 140 | |
| 141 | /* |
| 142 | * USB Device Port |
| 143 | */ |
| 144 | static struct at91_udc_data __initdata ek_udc_data = { |
| 145 | .vbus_pin = AT91_PIN_PB29, |
| 146 | .pullup_pin = 0, /* pull-up driven by UDC */ |
| 147 | }; |
| 148 | |
| 149 | |
| 150 | /* |
| 151 | * MCI (SD/MMC) |
| 152 | */ |
| 153 | static struct at91_mmc_data __initdata ek_mmc_data = { |
| 154 | .wire4 = 1, |
| 155 | // .det_pin = ... not connected |
| 156 | // .wp_pin = ... not connected |
| 157 | // .vcc_pin = ... not connected |
| 158 | }; |
| 159 | |
| 160 | |
| 161 | /* |
| 162 | * NAND flash |
| 163 | */ |
| 164 | static struct mtd_partition __initdata ek_nand_partition[] = { |
| 165 | { |
| 166 | .name = "Partition 1", |
| 167 | .offset = 0, |
| 168 | .size = 256 * 1024, |
| 169 | }, |
| 170 | { |
| 171 | .name = "Partition 2", |
| 172 | .offset = 256 * 1024 , |
| 173 | .size = MTDPART_SIZ_FULL, |
| 174 | }, |
| 175 | }; |
| 176 | |
| 177 | static struct mtd_partition *nand_partitions(int size, int *num_partitions) |
| 178 | { |
| 179 | *num_partitions = ARRAY_SIZE(ek_nand_partition); |
| 180 | return ek_nand_partition; |
| 181 | } |
| 182 | |
| 183 | static struct at91_nand_data __initdata ek_nand_data = { |
| 184 | .ale = 22, |
| 185 | .cle = 21, |
| 186 | // .det_pin = ... not connected |
| 187 | .rdy_pin = AT91_PIN_PC15, |
| 188 | .enable_pin = AT91_PIN_PC14, |
| 189 | .partition_info = nand_partitions, |
| 190 | #if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16) |
| 191 | .bus_width_16 = 1, |
| 192 | #else |
| 193 | .bus_width_16 = 0, |
| 194 | #endif |
| 195 | }; |
| 196 | |
| 197 | /* |
| 198 | * SPI devices |
| 199 | */ |
| 200 | static struct spi_board_info ek_spi_devices[] = { |
| 201 | { /* DataFlash chip */ |
| 202 | .modalias = "mtd_dataflash", |
| 203 | .chip_select = 0, |
| 204 | .max_speed_hz = 15 * 1000 * 1000, |
| 205 | .bus_num = 0, |
| 206 | }, |
| 207 | #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD) |
| 208 | { /* DataFlash card - jumper (J12) configurable to CS3 or CS0 */ |
| 209 | .modalias = "mtd_dataflash", |
| 210 | .chip_select = 3, |
| 211 | .max_speed_hz = 15 * 1000 * 1000, |
| 212 | .bus_num = 0, |
| 213 | }, |
| 214 | #elif defined(CONFIG_SND_AT73C213) |
| 215 | { /* AT73C213 DAC */ |
| 216 | .modalias = "snd_at73c213", |
| 217 | .chip_select = 3, |
| 218 | .max_speed_hz = 10 * 1000 * 1000, |
| 219 | .bus_num = 0, |
| 220 | }, |
| 221 | #endif |
| 222 | }; |
| 223 | |
| 224 | |
| 225 | static void __init ek_board_init(void) |
| 226 | { |
| 227 | /* Serial */ |
| 228 | at91_add_device_serial(); |
| 229 | /* USB Host */ |
| 230 | at91_add_device_usbh(&ek_usbh_data); |
| 231 | /* USB Device */ |
| 232 | at91_add_device_udc(&ek_udc_data); |
| 233 | /* I2C */ |
| 234 | at91_add_device_i2c(); |
| 235 | /* NAND */ |
| 236 | at91_add_device_nand(&ek_nand_data); |
| 237 | /* DM9000 ethernet */ |
| 238 | ek_add_device_dm9000(); |
| 239 | |
| 240 | /* spi0 and mmc/sd share the same PIO pins */ |
| 241 | #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE) |
| 242 | /* SPI */ |
| 243 | at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); |
| 244 | #else |
| 245 | /* MMC */ |
Andrew Victor | d0760b3 | 2007-02-08 09:00:39 +0100 | [diff] [blame^] | 246 | at91_add_device_mmc(0, &ek_mmc_data); |
Andrew Victor | 022cbd7 | 2006-12-01 14:38:59 +0100 | [diff] [blame] | 247 | #endif |
| 248 | } |
| 249 | |
| 250 | MACHINE_START(AT91SAM9261EK, "Atmel AT91SAM9261-EK") |
| 251 | /* Maintainer: Atmel */ |
| 252 | .phys_io = AT91_BASE_SYS, |
| 253 | .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, |
| 254 | .boot_params = AT91_SDRAM_BASE + 0x100, |
| 255 | .timer = &at91sam926x_timer, |
| 256 | .map_io = ek_map_io, |
| 257 | .init_irq = ek_init_irq, |
| 258 | .init_machine = ek_board_init, |
| 259 | MACHINE_END |