Eric Benard | af5b1df | 2009-07-16 16:26:33 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2009 Eric Benard - eric@eukrea.com |
| 3 | * |
| 4 | * Based on pcm038.c which is : |
| 5 | * Copyright 2007 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix |
| 6 | * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de) |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License |
| 10 | * as published by the Free Software Foundation; either version 2 |
| 11 | * of the License, or (at your option) any later version. |
| 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., 51 Franklin Street, Fifth Floor, Boston, |
| 20 | * MA 02110-1301, USA. |
| 21 | */ |
| 22 | |
| 23 | #include <linux/i2c.h> |
| 24 | #include <linux/io.h> |
| 25 | #include <linux/mtd/plat-ram.h> |
| 26 | #include <linux/mtd/physmap.h> |
| 27 | #include <linux/platform_device.h> |
| 28 | #include <linux/serial_8250.h> |
| 29 | |
| 30 | #include <asm/mach-types.h> |
| 31 | #include <asm/mach/arch.h> |
| 32 | #include <asm/mach/time.h> |
| 33 | #include <asm/mach/map.h> |
| 34 | |
| 35 | #include <mach/board-eukrea_cpuimx27.h> |
| 36 | #include <mach/common.h> |
| 37 | #include <mach/hardware.h> |
Uwe Kleine-König | e835d88 | 2010-02-16 11:07:49 +0100 | [diff] [blame] | 38 | #include <mach/iomux-mx27.h> |
Eric Benard | af5b1df | 2009-07-16 16:26:33 +0200 | [diff] [blame] | 39 | #include <mach/mxc_nand.h> |
| 40 | |
Uwe Kleine-König | 0e7a29a | 2010-06-16 07:35:31 +0200 | [diff] [blame] | 41 | #include "devices-imx27.h" |
Eric Benard | af5b1df | 2009-07-16 16:26:33 +0200 | [diff] [blame] | 42 | #include "devices.h" |
| 43 | |
| 44 | static int eukrea_cpuimx27_pins[] = { |
| 45 | /* UART1 */ |
| 46 | PE12_PF_UART1_TXD, |
| 47 | PE13_PF_UART1_RXD, |
| 48 | PE14_PF_UART1_CTS, |
| 49 | PE15_PF_UART1_RTS, |
| 50 | /* UART4 */ |
| 51 | PB26_AF_UART4_RTS, |
| 52 | PB28_AF_UART4_TXD, |
| 53 | PB29_AF_UART4_CTS, |
| 54 | PB31_AF_UART4_RXD, |
| 55 | /* FEC */ |
| 56 | PD0_AIN_FEC_TXD0, |
| 57 | PD1_AIN_FEC_TXD1, |
| 58 | PD2_AIN_FEC_TXD2, |
| 59 | PD3_AIN_FEC_TXD3, |
| 60 | PD4_AOUT_FEC_RX_ER, |
| 61 | PD5_AOUT_FEC_RXD1, |
| 62 | PD6_AOUT_FEC_RXD2, |
| 63 | PD7_AOUT_FEC_RXD3, |
| 64 | PD8_AF_FEC_MDIO, |
| 65 | PD9_AIN_FEC_MDC, |
| 66 | PD10_AOUT_FEC_CRS, |
| 67 | PD11_AOUT_FEC_TX_CLK, |
| 68 | PD12_AOUT_FEC_RXD0, |
| 69 | PD13_AOUT_FEC_RX_DV, |
| 70 | PD14_AOUT_FEC_RX_CLK, |
| 71 | PD15_AOUT_FEC_COL, |
| 72 | PD16_AIN_FEC_TX_ER, |
| 73 | PF23_AIN_FEC_TX_EN, |
| 74 | /* I2C1 */ |
| 75 | PD17_PF_I2C_DATA, |
| 76 | PD18_PF_I2C_CLK, |
| 77 | /* SDHC2 */ |
| 78 | PB4_PF_SD2_D0, |
| 79 | PB5_PF_SD2_D1, |
| 80 | PB6_PF_SD2_D2, |
| 81 | PB7_PF_SD2_D3, |
| 82 | PB8_PF_SD2_CMD, |
| 83 | PB9_PF_SD2_CLK, |
| 84 | #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE) |
| 85 | /* Quad UART's IRQ */ |
| 86 | GPIO_PORTD | 22 | GPIO_GPIO | GPIO_IN, |
| 87 | GPIO_PORTD | 23 | GPIO_GPIO | GPIO_IN, |
| 88 | GPIO_PORTD | 27 | GPIO_GPIO | GPIO_IN, |
| 89 | GPIO_PORTD | 30 | GPIO_GPIO | GPIO_IN, |
| 90 | #endif |
| 91 | }; |
| 92 | |
| 93 | static struct physmap_flash_data eukrea_cpuimx27_flash_data = { |
| 94 | .width = 2, |
| 95 | }; |
| 96 | |
| 97 | static struct resource eukrea_cpuimx27_flash_resource = { |
| 98 | .start = 0xc0000000, |
| 99 | .end = 0xc3ffffff, |
| 100 | .flags = IORESOURCE_MEM, |
| 101 | }; |
| 102 | |
| 103 | static struct platform_device eukrea_cpuimx27_nor_mtd_device = { |
| 104 | .name = "physmap-flash", |
| 105 | .id = 0, |
| 106 | .dev = { |
| 107 | .platform_data = &eukrea_cpuimx27_flash_data, |
| 108 | }, |
| 109 | .num_resources = 1, |
| 110 | .resource = &eukrea_cpuimx27_flash_resource, |
| 111 | }; |
| 112 | |
Uwe Kleine-König | d5dac4a | 2010-06-23 09:36:01 +0200 | [diff] [blame^] | 113 | static const struct imxuart_platform_data uart_pdata __initconst = { |
| 114 | .flags = IMXUART_HAVE_RTSCTS, |
Eric Benard | af5b1df | 2009-07-16 16:26:33 +0200 | [diff] [blame] | 115 | }; |
| 116 | |
Uwe Kleine-König | 0e7a29a | 2010-06-16 07:35:31 +0200 | [diff] [blame] | 117 | static const struct mxc_nand_platform_data |
| 118 | cpuimx27_nand_board_info __initconst = { |
Eric Benard | af5b1df | 2009-07-16 16:26:33 +0200 | [diff] [blame] | 119 | .width = 1, |
| 120 | .hw_ecc = 1, |
| 121 | }; |
| 122 | |
| 123 | static struct platform_device *platform_devices[] __initdata = { |
| 124 | &eukrea_cpuimx27_nor_mtd_device, |
| 125 | &mxc_fec_device, |
| 126 | }; |
| 127 | |
Uwe Kleine-König | c698715 | 2010-06-16 17:25:40 +0200 | [diff] [blame] | 128 | static const struct imxi2c_platform_data cpuimx27_i2c1_data __initconst = { |
Eric Benard | af5b1df | 2009-07-16 16:26:33 +0200 | [diff] [blame] | 129 | .bitrate = 100000, |
| 130 | }; |
| 131 | |
| 132 | static struct i2c_board_info eukrea_cpuimx27_i2c_devices[] = { |
| 133 | { |
Sascha Hauer | cf87a6e | 2009-07-20 08:18:47 +0200 | [diff] [blame] | 134 | I2C_BOARD_INFO("pcf8563", 0x51), |
Eric Benard | af5b1df | 2009-07-16 16:26:33 +0200 | [diff] [blame] | 135 | }, |
| 136 | }; |
| 137 | |
| 138 | #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE) |
| 139 | static struct plat_serial8250_port serial_platform_data[] = { |
| 140 | { |
Uwe Kleine-König | 3f35d1f | 2009-12-09 11:32:11 +0100 | [diff] [blame] | 141 | .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x200000), |
Eric Benard | af5b1df | 2009-07-16 16:26:33 +0200 | [diff] [blame] | 142 | .irq = IRQ_GPIOB(23), |
| 143 | .uartclk = 14745600, |
| 144 | .regshift = 1, |
| 145 | .iotype = UPIO_MEM, |
| 146 | .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, |
| 147 | }, { |
Uwe Kleine-König | 3f35d1f | 2009-12-09 11:32:11 +0100 | [diff] [blame] | 148 | .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x400000), |
Eric Benard | af5b1df | 2009-07-16 16:26:33 +0200 | [diff] [blame] | 149 | .irq = IRQ_GPIOB(22), |
| 150 | .uartclk = 14745600, |
| 151 | .regshift = 1, |
| 152 | .iotype = UPIO_MEM, |
| 153 | .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, |
| 154 | }, { |
Uwe Kleine-König | 3f35d1f | 2009-12-09 11:32:11 +0100 | [diff] [blame] | 155 | .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x800000), |
Eric Benard | af5b1df | 2009-07-16 16:26:33 +0200 | [diff] [blame] | 156 | .irq = IRQ_GPIOB(27), |
| 157 | .uartclk = 14745600, |
| 158 | .regshift = 1, |
| 159 | .iotype = UPIO_MEM, |
| 160 | .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, |
| 161 | }, { |
Uwe Kleine-König | 3f35d1f | 2009-12-09 11:32:11 +0100 | [diff] [blame] | 162 | .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x1000000), |
Eric Benard | af5b1df | 2009-07-16 16:26:33 +0200 | [diff] [blame] | 163 | .irq = IRQ_GPIOB(30), |
| 164 | .uartclk = 14745600, |
| 165 | .regshift = 1, |
| 166 | .iotype = UPIO_MEM, |
| 167 | .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, |
| 168 | }, { |
| 169 | } |
| 170 | }; |
| 171 | |
| 172 | static struct platform_device serial_device = { |
| 173 | .name = "serial8250", |
| 174 | .id = 0, |
| 175 | .dev = { |
| 176 | .platform_data = serial_platform_data, |
| 177 | }, |
| 178 | }; |
| 179 | #endif |
| 180 | |
| 181 | static void __init eukrea_cpuimx27_init(void) |
| 182 | { |
| 183 | mxc_gpio_setup_multiple_pins(eukrea_cpuimx27_pins, |
| 184 | ARRAY_SIZE(eukrea_cpuimx27_pins), "CPUIMX27"); |
| 185 | |
Uwe Kleine-König | d5dac4a | 2010-06-23 09:36:01 +0200 | [diff] [blame^] | 186 | imx27_add_imx_uart0(&uart_pdata); |
Eric Benard | af5b1df | 2009-07-16 16:26:33 +0200 | [diff] [blame] | 187 | |
Uwe Kleine-König | 0e7a29a | 2010-06-16 07:35:31 +0200 | [diff] [blame] | 188 | imx27_add_mxc_nand(&cpuimx27_nand_board_info); |
Eric Benard | af5b1df | 2009-07-16 16:26:33 +0200 | [diff] [blame] | 189 | |
| 190 | i2c_register_board_info(0, eukrea_cpuimx27_i2c_devices, |
| 191 | ARRAY_SIZE(eukrea_cpuimx27_i2c_devices)); |
| 192 | |
Uwe Kleine-König | c698715 | 2010-06-16 17:25:40 +0200 | [diff] [blame] | 193 | imx27_add_i2c_imx1(&cpuimx27_i2c1_data); |
Eric Benard | af5b1df | 2009-07-16 16:26:33 +0200 | [diff] [blame] | 194 | |
| 195 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); |
| 196 | |
| 197 | #if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2) |
| 198 | /* SDHC2 can be used for Wifi */ |
| 199 | mxc_register_device(&mxc_sdhc_device1, NULL); |
| 200 | /* in which case UART4 is also used for Bluetooth */ |
Uwe Kleine-König | d5dac4a | 2010-06-23 09:36:01 +0200 | [diff] [blame^] | 201 | imx27_add_imx_uart3(&uart_pdata); |
Eric Benard | af5b1df | 2009-07-16 16:26:33 +0200 | [diff] [blame] | 202 | #endif |
| 203 | |
| 204 | #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE) |
| 205 | platform_device_register(&serial_device); |
| 206 | #endif |
| 207 | |
| 208 | #ifdef CONFIG_MACH_EUKREA_MBIMX27_BASEBOARD |
| 209 | eukrea_mbimx27_baseboard_init(); |
| 210 | #endif |
| 211 | } |
| 212 | |
| 213 | static void __init eukrea_cpuimx27_timer_init(void) |
| 214 | { |
| 215 | mx27_clocks_init(26000000); |
| 216 | } |
| 217 | |
| 218 | static struct sys_timer eukrea_cpuimx27_timer = { |
| 219 | .init = eukrea_cpuimx27_timer_init, |
| 220 | }; |
| 221 | |
| 222 | MACHINE_START(CPUIMX27, "EUKREA CPUIMX27") |
Uwe Kleine-König | 3f35d1f | 2009-12-09 11:32:11 +0100 | [diff] [blame] | 223 | .phys_io = MX27_AIPI_BASE_ADDR, |
| 224 | .io_pg_offst = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc, |
Uwe Kleine-König | 3410123 | 2010-01-29 17:36:05 +0100 | [diff] [blame] | 225 | .boot_params = MX27_PHYS_OFFSET + 0x100, |
Eric Benard | af5b1df | 2009-07-16 16:26:33 +0200 | [diff] [blame] | 226 | .map_io = mx27_map_io, |
| 227 | .init_irq = mx27_init_irq, |
| 228 | .init_machine = eukrea_cpuimx27_init, |
| 229 | .timer = &eukrea_cpuimx27_timer, |
| 230 | MACHINE_END |