| 1 | /* |
| 2 | * Copyright (C) 2008 Sascha Hauer, Pengutronix |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation; either version 2 of the License, or |
| 7 | * (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 17 | */ |
| 18 | |
| 19 | #include <linux/types.h> |
| 20 | #include <linux/init.h> |
| 21 | |
| 22 | #include <linux/platform_device.h> |
| 23 | #include <linux/mtd/physmap.h> |
| 24 | #include <linux/mtd/plat-ram.h> |
| 25 | #include <linux/memory.h> |
| 26 | #include <linux/gpio.h> |
| 27 | #include <linux/smc911x.h> |
| 28 | #include <linux/interrupt.h> |
| 29 | #include <linux/i2c.h> |
| 30 | #include <linux/i2c/at24.h> |
| 31 | |
| 32 | #include <mach/hardware.h> |
| 33 | #include <asm/mach-types.h> |
| 34 | #include <asm/mach/arch.h> |
| 35 | #include <asm/mach/time.h> |
| 36 | #include <asm/mach/map.h> |
| 37 | #include <mach/common.h> |
| 38 | #include <mach/imx-uart.h> |
| 39 | #include <mach/iomux-mx3.h> |
| 40 | #include <mach/board-pcm037.h> |
| 41 | #include <mach/mxc_nand.h> |
| 42 | #ifdef CONFIG_I2C_IMX |
| 43 | #include <mach/i2c.h> |
| 44 | #endif |
| 45 | |
| 46 | #include "devices.h" |
| 47 | |
| 48 | static struct physmap_flash_data pcm037_flash_data = { |
| 49 | .width = 2, |
| 50 | }; |
| 51 | |
| 52 | static struct resource pcm037_flash_resource = { |
| 53 | .start = 0xa0000000, |
| 54 | .end = 0xa1ffffff, |
| 55 | .flags = IORESOURCE_MEM, |
| 56 | }; |
| 57 | |
| 58 | static struct platform_device pcm037_flash = { |
| 59 | .name = "physmap-flash", |
| 60 | .id = 0, |
| 61 | .dev = { |
| 62 | .platform_data = &pcm037_flash_data, |
| 63 | }, |
| 64 | .resource = &pcm037_flash_resource, |
| 65 | .num_resources = 1, |
| 66 | }; |
| 67 | |
| 68 | static struct imxuart_platform_data uart_pdata = { |
| 69 | .flags = IMXUART_HAVE_RTSCTS, |
| 70 | }; |
| 71 | |
| 72 | static struct resource smc911x_resources[] = { |
| 73 | [0] = { |
| 74 | .start = CS1_BASE_ADDR + 0x300, |
| 75 | .end = CS1_BASE_ADDR + 0x300 + SZ_64K - 1, |
| 76 | .flags = IORESOURCE_MEM, |
| 77 | }, |
| 78 | [1] = { |
| 79 | .start = IOMUX_TO_IRQ(MX31_PIN_GPIO3_1), |
| 80 | .end = IOMUX_TO_IRQ(MX31_PIN_GPIO3_1), |
| 81 | .flags = IORESOURCE_IRQ, |
| 82 | }, |
| 83 | }; |
| 84 | |
| 85 | static struct smc911x_platdata smc911x_info = { |
| 86 | .flags = SMC911X_USE_32BIT, |
| 87 | .irq_flags = IRQF_SHARED | IRQF_TRIGGER_LOW, |
| 88 | }; |
| 89 | |
| 90 | static struct platform_device pcm037_eth = { |
| 91 | .name = "smc911x", |
| 92 | .id = -1, |
| 93 | .num_resources = ARRAY_SIZE(smc911x_resources), |
| 94 | .resource = smc911x_resources, |
| 95 | .dev = { |
| 96 | .platform_data = &smc911x_info, |
| 97 | }, |
| 98 | }; |
| 99 | |
| 100 | static struct platdata_mtd_ram pcm038_sram_data = { |
| 101 | .bankwidth = 2, |
| 102 | }; |
| 103 | |
| 104 | static struct resource pcm038_sram_resource = { |
| 105 | .start = CS4_BASE_ADDR, |
| 106 | .end = CS4_BASE_ADDR + 512 * 1024 - 1, |
| 107 | .flags = IORESOURCE_MEM, |
| 108 | }; |
| 109 | |
| 110 | static struct platform_device pcm037_sram_device = { |
| 111 | .name = "mtd-ram", |
| 112 | .id = 0, |
| 113 | .dev = { |
| 114 | .platform_data = &pcm038_sram_data, |
| 115 | }, |
| 116 | .num_resources = 1, |
| 117 | .resource = &pcm038_sram_resource, |
| 118 | }; |
| 119 | |
| 120 | static struct mxc_nand_platform_data pcm037_nand_board_info = { |
| 121 | .width = 1, |
| 122 | .hw_ecc = 1, |
| 123 | }; |
| 124 | |
| 125 | #ifdef CONFIG_I2C_IMX |
| 126 | static int i2c_1_pins[] = { |
| 127 | MX31_PIN_CSPI2_MOSI__SCL, |
| 128 | MX31_PIN_CSPI2_MISO__SDA, |
| 129 | }; |
| 130 | |
| 131 | static int pcm037_i2c_1_init(struct device *dev) |
| 132 | { |
| 133 | return mxc_iomux_setup_multiple_pins(i2c_1_pins, ARRAY_SIZE(i2c_1_pins), |
| 134 | "i2c-1"); |
| 135 | } |
| 136 | |
| 137 | static void pcm037_i2c_1_exit(struct device *dev) |
| 138 | { |
| 139 | mxc_iomux_release_multiple_pins(i2c_1_pins, ARRAY_SIZE(i2c_1_pins)); |
| 140 | } |
| 141 | |
| 142 | static struct imxi2c_platform_data pcm037_i2c_1_data = { |
| 143 | .bitrate = 100000, |
| 144 | .init = pcm037_i2c_1_init, |
| 145 | .exit = pcm037_i2c_1_exit, |
| 146 | }; |
| 147 | |
| 148 | static struct at24_platform_data board_eeprom = { |
| 149 | .byte_len = 4096, |
| 150 | .page_size = 32, |
| 151 | .flags = AT24_FLAG_ADDR16, |
| 152 | }; |
| 153 | |
| 154 | static struct i2c_board_info pcm037_i2c_devices[] = { |
| 155 | { |
| 156 | I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */ |
| 157 | .platform_data = &board_eeprom, |
| 158 | }, { |
| 159 | I2C_BOARD_INFO("rtc-pcf8563", 0x51), |
| 160 | .type = "pcf8563", |
| 161 | } |
| 162 | }; |
| 163 | #endif |
| 164 | |
| 165 | static struct platform_device *devices[] __initdata = { |
| 166 | &pcm037_flash, |
| 167 | &pcm037_eth, |
| 168 | &pcm037_sram_device, |
| 169 | }; |
| 170 | |
| 171 | static int uart0_pins[] = { |
| 172 | MX31_PIN_CTS1__CTS1, |
| 173 | MX31_PIN_RTS1__RTS1, |
| 174 | MX31_PIN_TXD1__TXD1, |
| 175 | MX31_PIN_RXD1__RXD1 |
| 176 | }; |
| 177 | |
| 178 | static int uart2_pins[] = { |
| 179 | MX31_PIN_CSPI3_MOSI__RXD3, |
| 180 | MX31_PIN_CSPI3_MISO__TXD3 |
| 181 | }; |
| 182 | |
| 183 | /* |
| 184 | * Board specific initialization. |
| 185 | */ |
| 186 | static void __init mxc_board_init(void) |
| 187 | { |
| 188 | platform_add_devices(devices, ARRAY_SIZE(devices)); |
| 189 | |
| 190 | mxc_iomux_setup_multiple_pins(uart0_pins, ARRAY_SIZE(uart0_pins), "uart-0"); |
| 191 | mxc_register_device(&mxc_uart_device0, &uart_pdata); |
| 192 | |
| 193 | mxc_iomux_setup_multiple_pins(uart2_pins, ARRAY_SIZE(uart2_pins), "uart-2"); |
| 194 | mxc_register_device(&mxc_uart_device2, &uart_pdata); |
| 195 | |
| 196 | mxc_iomux_setup_pin(MX31_PIN_BATT_LINE__OWIRE, "batt-0wire"); |
| 197 | mxc_register_device(&mxc_w1_master_device, NULL); |
| 198 | |
| 199 | /* SMSC9215 IRQ pin */ |
| 200 | if (!mxc_iomux_setup_pin(IOMUX_MODE(MX31_PIN_GPIO3_1, IOMUX_CONFIG_GPIO), |
| 201 | "pcm037-eth")) |
| 202 | gpio_direction_input(MX31_PIN_GPIO3_1); |
| 203 | |
| 204 | #ifdef CONFIG_I2C_IMX |
| 205 | i2c_register_board_info(1, pcm037_i2c_devices, |
| 206 | ARRAY_SIZE(pcm037_i2c_devices)); |
| 207 | |
| 208 | mxc_register_device(&mxc_i2c_device1, &pcm037_i2c_1_data); |
| 209 | #endif |
| 210 | mxc_register_device(&mxc_nand_device, &pcm037_nand_board_info); |
| 211 | } |
| 212 | |
| 213 | static void __init pcm037_timer_init(void) |
| 214 | { |
| 215 | mx31_clocks_init(26000000); |
| 216 | } |
| 217 | |
| 218 | struct sys_timer pcm037_timer = { |
| 219 | .init = pcm037_timer_init, |
| 220 | }; |
| 221 | |
| 222 | MACHINE_START(PCM037, "Phytec Phycore pcm037") |
| 223 | /* Maintainer: Pengutronix */ |
| 224 | .phys_io = AIPS1_BASE_ADDR, |
| 225 | .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, |
| 226 | .boot_params = PHYS_OFFSET + 0x100, |
| 227 | .map_io = mxc_map_io, |
| 228 | .init_irq = mxc_init_irq, |
| 229 | .init_machine = mxc_board_init, |
| 230 | .timer = &pcm037_timer, |
| 231 | MACHINE_END |
| 232 | |