Peter Gsellmann | abf0c1b | 2010-10-13 16:18:51 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 Christian Glindkamp <christian.glindkamp@taskit.de> |
| 3 | * taskit GmbH |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 18 | */ |
| 19 | /* |
| 20 | * copied and adjusted from board-stamp9g20.c |
| 21 | * by Peter Gsellmann <pgsellmann@portner-elektronik.at> |
| 22 | */ |
| 23 | |
| 24 | #include <linux/mm.h> |
| 25 | #include <linux/platform_device.h> |
| 26 | #include <linux/gpio.h> |
| 27 | #include <linux/w1-gpio.h> |
| 28 | |
| 29 | #include <asm/mach-types.h> |
| 30 | #include <asm/mach/arch.h> |
| 31 | |
| 32 | #include <mach/board.h> |
| 33 | #include <mach/at91sam9_smc.h> |
Christian Glindkamp | c20b4dd | 2010-12-09 11:15:59 +0100 | [diff] [blame] | 34 | #include <mach/stamp9g20.h> |
Peter Gsellmann | abf0c1b | 2010-10-13 16:18:51 +0200 | [diff] [blame] | 35 | |
| 36 | #include "sam9_smc.h" |
| 37 | #include "generic.h" |
| 38 | |
| 39 | |
Jean-Christophe PLAGNIOL-VILLARD | 1b021a3 | 2011-04-28 20:19:32 +0800 | [diff] [blame^] | 40 | static void __init pcontrol_g20_init_early(void) |
Peter Gsellmann | abf0c1b | 2010-10-13 16:18:51 +0200 | [diff] [blame] | 41 | { |
Jean-Christophe PLAGNIOL-VILLARD | 1b021a3 | 2011-04-28 20:19:32 +0800 | [diff] [blame^] | 42 | stamp9g20_init_early(); |
Peter Gsellmann | abf0c1b | 2010-10-13 16:18:51 +0200 | [diff] [blame] | 43 | |
| 44 | /* USART0 on ttyS1. (Rx, Tx, CTS, RTS) piggyback A2 */ |
| 45 | at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS |
| 46 | | ATMEL_UART_RTS); |
| 47 | |
| 48 | /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) isolated RS485 X5 */ |
| 49 | at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS |
| 50 | | ATMEL_UART_RTS); |
| 51 | |
| 52 | /* USART2 on ttyS3. (Rx, Tx) 9bit-Bus Multidrop-mode X4 */ |
| 53 | at91_register_uart(AT91SAM9260_ID_US4, 3, 0); |
Peter Gsellmann | abf0c1b | 2010-10-13 16:18:51 +0200 | [diff] [blame] | 54 | } |
| 55 | |
| 56 | |
| 57 | static void __init init_irq(void) |
| 58 | { |
| 59 | at91sam9260_init_interrupts(NULL); |
| 60 | } |
| 61 | |
| 62 | |
Peter Gsellmann | abf0c1b | 2010-10-13 16:18:51 +0200 | [diff] [blame] | 63 | static struct sam9_smc_config __initdata pcontrol_smc_config[2] = { { |
| 64 | .ncs_read_setup = 16, |
| 65 | .nrd_setup = 18, |
| 66 | .ncs_write_setup = 16, |
| 67 | .nwe_setup = 18, |
| 68 | |
| 69 | .ncs_read_pulse = 63, |
| 70 | .nrd_pulse = 55, |
| 71 | .ncs_write_pulse = 63, |
| 72 | .nwe_pulse = 55, |
| 73 | |
| 74 | .read_cycle = 127, |
| 75 | .write_cycle = 127, |
| 76 | |
| 77 | .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
| 78 | | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_SELECT |
| 79 | | AT91_SMC_DBW_8 | AT91_SMC_PS_4 |
| 80 | | AT91_SMC_TDFMODE, |
| 81 | .tdf_cycles = 3, |
| 82 | }, { |
| 83 | .ncs_read_setup = 0, |
| 84 | .nrd_setup = 0, |
| 85 | .ncs_write_setup = 0, |
| 86 | .nwe_setup = 1, |
| 87 | |
| 88 | .ncs_read_pulse = 8, |
| 89 | .nrd_pulse = 8, |
| 90 | .ncs_write_pulse = 5, |
| 91 | .nwe_pulse = 4, |
| 92 | |
| 93 | .read_cycle = 8, |
| 94 | .write_cycle = 7, |
| 95 | |
| 96 | .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
| 97 | | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_SELECT |
| 98 | | AT91_SMC_DBW_16 | AT91_SMC_PS_8 |
| 99 | | AT91_SMC_TDFMODE, |
| 100 | .tdf_cycles = 1, |
| 101 | } }; |
| 102 | |
Peter Gsellmann | abf0c1b | 2010-10-13 16:18:51 +0200 | [diff] [blame] | 103 | static void __init add_device_pcontrol(void) |
| 104 | { |
| 105 | /* configure chip-select 4 (IO compatible to 8051 X4 ) */ |
| 106 | sam9_smc_configure(4, &pcontrol_smc_config[0]); |
| 107 | /* configure chip-select 7 (FerroRAM 256KiBx16bit MR2A16A D4 ) */ |
| 108 | sam9_smc_configure(7, &pcontrol_smc_config[1]); |
| 109 | } |
| 110 | |
| 111 | |
| 112 | /* |
Peter Gsellmann | abf0c1b | 2010-10-13 16:18:51 +0200 | [diff] [blame] | 113 | * USB Host port |
| 114 | */ |
| 115 | static struct at91_usbh_data __initdata usbh_data = { |
| 116 | .ports = 2, |
| 117 | }; |
| 118 | |
| 119 | |
| 120 | /* |
| 121 | * USB Device port |
| 122 | */ |
| 123 | static struct at91_udc_data __initdata pcontrol_g20_udc_data = { |
| 124 | .vbus_pin = AT91_PIN_PA22, /* Detect +5V bus voltage */ |
| 125 | .pullup_pin = AT91_PIN_PA4, /* K-state, active low */ |
| 126 | }; |
| 127 | |
| 128 | |
| 129 | /* |
| 130 | * MACB Ethernet device |
| 131 | */ |
| 132 | static struct at91_eth_data __initdata macb_data = { |
| 133 | .phy_irq_pin = AT91_PIN_PA28, |
| 134 | .is_rmii = 1, |
| 135 | }; |
| 136 | |
| 137 | |
| 138 | /* |
| 139 | * I2C devices: eeprom and phy/switch |
| 140 | */ |
| 141 | static struct i2c_board_info __initdata pcontrol_g20_i2c_devices[] = { |
| 142 | { /* D7 address width=2, 8KiB */ |
| 143 | I2C_BOARD_INFO("24c64", 0x50) |
| 144 | }, { /* D8 address width=1, 1 byte has 32 bits! */ |
| 145 | I2C_BOARD_INFO("lan9303", 0x0a) |
| 146 | }, }; |
| 147 | |
| 148 | |
| 149 | /* |
| 150 | * LEDs |
| 151 | */ |
| 152 | static struct gpio_led pcontrol_g20_leds[] = { |
| 153 | { |
| 154 | .name = "LED1", /* red H5 */ |
| 155 | .gpio = AT91_PIN_PB18, |
| 156 | .active_low = 1, |
| 157 | .default_trigger = "none", /* supervisor */ |
| 158 | }, { |
| 159 | .name = "LED2", /* yellow H7 */ |
| 160 | .gpio = AT91_PIN_PB19, |
| 161 | .active_low = 1, |
| 162 | .default_trigger = "mmc0", /* SD-card activity */ |
| 163 | }, { |
| 164 | .name = "LED3", /* green H2 */ |
| 165 | .gpio = AT91_PIN_PB20, |
| 166 | .active_low = 1, |
| 167 | .default_trigger = "heartbeat", /* blinky */ |
| 168 | }, { |
| 169 | .name = "LED4", /* red H3 */ |
| 170 | .gpio = AT91_PIN_PC6, |
| 171 | .active_low = 1, |
| 172 | .default_trigger = "none", /* connection lost */ |
| 173 | }, { |
| 174 | .name = "LED5", /* yellow H6 */ |
| 175 | .gpio = AT91_PIN_PC7, |
| 176 | .active_low = 1, |
| 177 | .default_trigger = "none", /* unsent data */ |
| 178 | }, { |
| 179 | .name = "LED6", /* green H1 */ |
| 180 | .gpio = AT91_PIN_PC9, |
| 181 | .active_low = 1, |
| 182 | .default_trigger = "none", /* snafu */ |
| 183 | } |
| 184 | }; |
| 185 | |
| 186 | |
| 187 | /* |
| 188 | * SPI devices |
| 189 | */ |
| 190 | static struct spi_board_info pcontrol_g20_spi_devices[] = { |
| 191 | { |
| 192 | .modalias = "spidev", /* HMI port X4 */ |
| 193 | .chip_select = 1, |
| 194 | .max_speed_hz = 50 * 1000 * 1000, |
| 195 | .bus_num = 0, |
| 196 | }, { |
| 197 | .modalias = "spidev", /* piggyback A2 */ |
| 198 | .chip_select = 0, |
| 199 | .max_speed_hz = 50 * 1000 * 1000, |
| 200 | .bus_num = 1, |
| 201 | }, |
| 202 | }; |
| 203 | |
| 204 | |
Peter Gsellmann | abf0c1b | 2010-10-13 16:18:51 +0200 | [diff] [blame] | 205 | static void __init pcontrol_g20_board_init(void) |
| 206 | { |
Christian Glindkamp | c20b4dd | 2010-12-09 11:15:59 +0100 | [diff] [blame] | 207 | stamp9g20_board_init(); |
Peter Gsellmann | abf0c1b | 2010-10-13 16:18:51 +0200 | [diff] [blame] | 208 | at91_add_device_usbh(&usbh_data); |
| 209 | at91_add_device_eth(&macb_data); |
| 210 | at91_add_device_i2c(pcontrol_g20_i2c_devices, |
| 211 | ARRAY_SIZE(pcontrol_g20_i2c_devices)); |
Peter Gsellmann | abf0c1b | 2010-10-13 16:18:51 +0200 | [diff] [blame] | 212 | add_device_pcontrol(); |
| 213 | at91_add_device_spi(pcontrol_g20_spi_devices, |
| 214 | ARRAY_SIZE(pcontrol_g20_spi_devices)); |
| 215 | at91_add_device_udc(&pcontrol_g20_udc_data); |
| 216 | at91_gpio_leds(pcontrol_g20_leds, |
| 217 | ARRAY_SIZE(pcontrol_g20_leds)); |
| 218 | /* piggyback A2 */ |
| 219 | at91_set_gpio_output(AT91_PIN_PB31, 1); |
| 220 | } |
| 221 | |
| 222 | |
| 223 | MACHINE_START(PCONTROL_G20, "PControl G20") |
| 224 | /* Maintainer: pgsellmann@portner-elektronik.at */ |
| 225 | .boot_params = AT91_SDRAM_BASE + 0x100, |
| 226 | .timer = &at91sam926x_timer, |
Jean-Christophe PLAGNIOL-VILLARD | 1b021a3 | 2011-04-28 20:19:32 +0800 | [diff] [blame^] | 227 | .map_io = at91sam9260_map_io, |
| 228 | .init_early = pcontrol_g20_init_early, |
Peter Gsellmann | abf0c1b | 2010-10-13 16:18:51 +0200 | [diff] [blame] | 229 | .init_irq = init_irq, |
| 230 | .init_machine = pcontrol_g20_board_init, |
| 231 | MACHINE_END |