Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2000 Deep Blue Solutions Ltd |
| 3 | * Copyright (C) 2002 Shane Nay (shane@minirl.com) |
| 4 | * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved. |
| 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/platform_device.h> |
| 22 | #include <linux/mtd/mtd.h> |
| 23 | #include <linux/mtd/map.h> |
| 24 | #include <linux/mtd/partitions.h> |
| 25 | #include <linux/mtd/physmap.h> |
Vladimir Barinov | c981214 | 2009-04-29 04:00:50 +0400 | [diff] [blame] | 26 | #include <linux/i2c.h> |
Vladimir Barinov | 60c24dc | 2009-04-30 15:31:20 +0400 | [diff] [blame] | 27 | #include <linux/irq.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 28 | #include <mach/common.h> |
| 29 | #include <mach/hardware.h> |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 30 | #include <asm/mach-types.h> |
| 31 | #include <asm/mach/arch.h> |
| 32 | #include <asm/mach/time.h> |
| 33 | #include <asm/mach/map.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 34 | #include <mach/gpio.h> |
| 35 | #include <mach/imx-uart.h> |
Holger Schurig | ccfe30a | 2009-01-29 10:07:50 +0100 | [diff] [blame] | 36 | #include <mach/iomux.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 37 | #include <mach/board-mx27ads.h> |
Vladimir Barinov | 8d4fd25 | 2009-04-29 04:00:49 +0400 | [diff] [blame] | 38 | #include <mach/mxc_nand.h> |
Vladimir Barinov | c981214 | 2009-04-29 04:00:50 +0400 | [diff] [blame] | 39 | #include <mach/i2c.h> |
Vladimir Barinov | 11cda13 | 2009-04-29 04:00:51 +0400 | [diff] [blame] | 40 | #include <mach/imxfb.h> |
Vladimir Barinov | 60c24dc | 2009-04-30 15:31:20 +0400 | [diff] [blame] | 41 | #include <mach/mmc.h> |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 42 | |
Sascha Hauer | 7e90534 | 2008-09-09 10:19:41 +0200 | [diff] [blame] | 43 | #include "devices.h" |
| 44 | |
Vladimir Barinov | c1a6f12 | 2009-04-29 04:00:48 +0400 | [diff] [blame] | 45 | static unsigned int mx27ads_pins[] = { |
| 46 | /* UART0 */ |
| 47 | PE12_PF_UART1_TXD, |
| 48 | PE13_PF_UART1_RXD, |
| 49 | PE14_PF_UART1_CTS, |
| 50 | PE15_PF_UART1_RTS, |
| 51 | /* UART1 */ |
| 52 | PE3_PF_UART2_CTS, |
| 53 | PE4_PF_UART2_RTS, |
| 54 | PE6_PF_UART2_TXD, |
| 55 | PE7_PF_UART2_RXD, |
| 56 | /* UART2 */ |
| 57 | PE8_PF_UART3_TXD, |
| 58 | PE9_PF_UART3_RXD, |
| 59 | PE10_PF_UART3_CTS, |
| 60 | PE11_PF_UART3_RTS, |
| 61 | /* UART3 */ |
| 62 | PB26_AF_UART4_RTS, |
| 63 | PB28_AF_UART4_TXD, |
| 64 | PB29_AF_UART4_CTS, |
| 65 | PB31_AF_UART4_RXD, |
| 66 | /* UART4 */ |
| 67 | PB18_AF_UART5_TXD, |
| 68 | PB19_AF_UART5_RXD, |
| 69 | PB20_AF_UART5_CTS, |
| 70 | PB21_AF_UART5_RTS, |
| 71 | /* UART5 */ |
| 72 | PB10_AF_UART6_TXD, |
| 73 | PB12_AF_UART6_CTS, |
| 74 | PB11_AF_UART6_RXD, |
| 75 | PB13_AF_UART6_RTS, |
| 76 | /* FEC */ |
| 77 | PD0_AIN_FEC_TXD0, |
| 78 | PD1_AIN_FEC_TXD1, |
| 79 | PD2_AIN_FEC_TXD2, |
| 80 | PD3_AIN_FEC_TXD3, |
| 81 | PD4_AOUT_FEC_RX_ER, |
| 82 | PD5_AOUT_FEC_RXD1, |
| 83 | PD6_AOUT_FEC_RXD2, |
| 84 | PD7_AOUT_FEC_RXD3, |
| 85 | PD8_AF_FEC_MDIO, |
| 86 | PD9_AIN_FEC_MDC, |
| 87 | PD10_AOUT_FEC_CRS, |
| 88 | PD11_AOUT_FEC_TX_CLK, |
| 89 | PD12_AOUT_FEC_RXD0, |
| 90 | PD13_AOUT_FEC_RX_DV, |
| 91 | PD14_AOUT_FEC_RX_CLK, |
| 92 | PD15_AOUT_FEC_COL, |
| 93 | PD16_AIN_FEC_TX_ER, |
| 94 | PF23_AIN_FEC_TX_EN, |
Vladimir Barinov | c981214 | 2009-04-29 04:00:50 +0400 | [diff] [blame] | 95 | /* I2C2 */ |
| 96 | PC5_PF_I2C2_SDA, |
| 97 | PC6_PF_I2C2_SCL, |
Vladimir Barinov | 11cda13 | 2009-04-29 04:00:51 +0400 | [diff] [blame] | 98 | /* FB */ |
| 99 | PA5_PF_LSCLK, |
| 100 | PA6_PF_LD0, |
| 101 | PA7_PF_LD1, |
| 102 | PA8_PF_LD2, |
| 103 | PA9_PF_LD3, |
| 104 | PA10_PF_LD4, |
| 105 | PA11_PF_LD5, |
| 106 | PA12_PF_LD6, |
| 107 | PA13_PF_LD7, |
| 108 | PA14_PF_LD8, |
| 109 | PA15_PF_LD9, |
| 110 | PA16_PF_LD10, |
| 111 | PA17_PF_LD11, |
| 112 | PA18_PF_LD12, |
| 113 | PA19_PF_LD13, |
| 114 | PA20_PF_LD14, |
| 115 | PA21_PF_LD15, |
| 116 | PA22_PF_LD16, |
| 117 | PA23_PF_LD17, |
| 118 | PA24_PF_REV, |
| 119 | PA25_PF_CLS, |
| 120 | PA26_PF_PS, |
| 121 | PA27_PF_SPL_SPR, |
| 122 | PA28_PF_HSYNC, |
| 123 | PA29_PF_VSYNC, |
| 124 | PA30_PF_CONTRAST, |
| 125 | PA31_PF_OE_ACD, |
Vladimir Barinov | 9366d8f | 2009-04-29 04:00:52 +0400 | [diff] [blame] | 126 | /* OWIRE */ |
| 127 | PE16_AF_OWIRE, |
Vladimir Barinov | 60c24dc | 2009-04-30 15:31:20 +0400 | [diff] [blame] | 128 | /* SDHC1*/ |
| 129 | PE18_PF_SD1_D0, |
| 130 | PE19_PF_SD1_D1, |
| 131 | PE20_PF_SD1_D2, |
| 132 | PE21_PF_SD1_D3, |
| 133 | PE22_PF_SD1_CMD, |
| 134 | PE23_PF_SD1_CLK, |
| 135 | /* SDHC2*/ |
| 136 | PB4_PF_SD2_D0, |
| 137 | PB5_PF_SD2_D1, |
| 138 | PB6_PF_SD2_D2, |
| 139 | PB7_PF_SD2_D3, |
| 140 | PB8_PF_SD2_CMD, |
| 141 | PB9_PF_SD2_CLK, |
Vladimir Barinov | c1a6f12 | 2009-04-29 04:00:48 +0400 | [diff] [blame] | 142 | }; |
| 143 | |
Vladimir Barinov | 8d4fd25 | 2009-04-29 04:00:49 +0400 | [diff] [blame] | 144 | static struct mxc_nand_platform_data mx27ads_nand_board_info = { |
| 145 | .width = 1, |
| 146 | .hw_ecc = 1, |
| 147 | }; |
| 148 | |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 149 | /* ADS's NOR flash */ |
| 150 | static struct physmap_flash_data mx27ads_flash_data = { |
| 151 | .width = 2, |
| 152 | }; |
| 153 | |
| 154 | static struct resource mx27ads_flash_resource = { |
| 155 | .start = 0xc0000000, |
| 156 | .end = 0xc0000000 + 0x02000000 - 1, |
| 157 | .flags = IORESOURCE_MEM, |
| 158 | |
| 159 | }; |
| 160 | |
| 161 | static struct platform_device mx27ads_nor_mtd_device = { |
| 162 | .name = "physmap-flash", |
| 163 | .id = 0, |
| 164 | .dev = { |
| 165 | .platform_data = &mx27ads_flash_data, |
| 166 | }, |
| 167 | .num_resources = 1, |
| 168 | .resource = &mx27ads_flash_resource, |
| 169 | }; |
| 170 | |
Vladimir Barinov | c981214 | 2009-04-29 04:00:50 +0400 | [diff] [blame] | 171 | static struct imxi2c_platform_data mx27ads_i2c_data = { |
| 172 | .bitrate = 100000, |
| 173 | }; |
| 174 | |
| 175 | static struct i2c_board_info mx27ads_i2c_devices[] = { |
| 176 | }; |
| 177 | |
Vladimir Barinov | 11cda13 | 2009-04-29 04:00:51 +0400 | [diff] [blame] | 178 | void lcd_power(int on) |
| 179 | { |
| 180 | if (on) |
| 181 | __raw_writew(PBC_BCTRL1_LCDON, PBC_BCTRL1_SET_REG); |
| 182 | else |
| 183 | __raw_writew(PBC_BCTRL1_LCDON, PBC_BCTRL1_CLEAR_REG); |
| 184 | } |
| 185 | |
| 186 | static struct imx_fb_platform_data mx27ads_fb_data = { |
| 187 | .pixclock = 188679, |
| 188 | .xres = 240, |
| 189 | .yres = 320, |
| 190 | |
| 191 | .bpp = 16, |
| 192 | .hsync_len = 1, |
| 193 | .left_margin = 9, |
| 194 | .right_margin = 16, |
| 195 | |
| 196 | .vsync_len = 1, |
| 197 | .upper_margin = 7, |
| 198 | .lower_margin = 9, |
| 199 | .fixed_screen_cpu = 0, |
| 200 | |
| 201 | /* |
| 202 | * - HSYNC active high |
| 203 | * - VSYNC active high |
| 204 | * - clk notenabled while idle |
| 205 | * - clock inverted |
| 206 | * - data not inverted |
| 207 | * - data enable low active |
| 208 | * - enable sharp mode |
| 209 | */ |
| 210 | .pcr = 0xFB008BC0, |
| 211 | .pwmr = 0x00A903FF, |
| 212 | .lscr1 = 0x00120300, |
| 213 | .dmacr = 0x00020010, |
| 214 | |
| 215 | .lcd_power = lcd_power, |
| 216 | }; |
| 217 | |
Vladimir Barinov | 60c24dc | 2009-04-30 15:31:20 +0400 | [diff] [blame] | 218 | static int mx27ads_sdhc1_init(struct device *dev, irq_handler_t detect_irq, |
| 219 | void *data) |
| 220 | { |
| 221 | return request_irq(IRQ_GPIOE(21), detect_irq, IRQF_TRIGGER_RISING, |
| 222 | "sdhc1-card-detect", data); |
| 223 | } |
| 224 | |
| 225 | static int mx27ads_sdhc2_init(struct device *dev, irq_handler_t detect_irq, |
| 226 | void *data) |
| 227 | { |
| 228 | return request_irq(IRQ_GPIOB(7), detect_irq, IRQF_TRIGGER_RISING, |
| 229 | "sdhc2-card-detect", data); |
| 230 | } |
| 231 | |
| 232 | static void mx27ads_sdhc1_exit(struct device *dev, void *data) |
| 233 | { |
| 234 | free_irq(IRQ_GPIOE(21), data); |
| 235 | } |
| 236 | |
| 237 | static void mx27ads_sdhc2_exit(struct device *dev, void *data) |
| 238 | { |
| 239 | free_irq(IRQ_GPIOB(7), data); |
| 240 | } |
| 241 | |
| 242 | static struct imxmmc_platform_data sdhc1_pdata = { |
| 243 | .init = mx27ads_sdhc1_init, |
| 244 | .exit = mx27ads_sdhc1_exit, |
| 245 | }; |
| 246 | |
| 247 | static struct imxmmc_platform_data sdhc2_pdata = { |
| 248 | .init = mx27ads_sdhc2_init, |
| 249 | .exit = mx27ads_sdhc2_exit, |
| 250 | }; |
| 251 | |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 252 | static struct platform_device *platform_devices[] __initdata = { |
| 253 | &mx27ads_nor_mtd_device, |
Sascha Hauer | 879fea1 | 2009-01-26 17:26:02 +0100 | [diff] [blame] | 254 | &mxc_fec_device, |
Vladimir Barinov | 9366d8f | 2009-04-29 04:00:52 +0400 | [diff] [blame] | 255 | &mxc_w1_master_device, |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 256 | }; |
| 257 | |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 258 | static struct imxuart_platform_data uart_pdata[] = { |
| 259 | { |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 260 | .flags = IMXUART_HAVE_RTSCTS, |
| 261 | }, { |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 262 | .flags = IMXUART_HAVE_RTSCTS, |
| 263 | }, { |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 264 | .flags = IMXUART_HAVE_RTSCTS, |
| 265 | }, { |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 266 | .flags = IMXUART_HAVE_RTSCTS, |
| 267 | }, { |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 268 | .flags = IMXUART_HAVE_RTSCTS, |
| 269 | }, { |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 270 | .flags = IMXUART_HAVE_RTSCTS, |
| 271 | }, |
| 272 | }; |
| 273 | |
| 274 | static void __init mx27ads_board_init(void) |
| 275 | { |
Vladimir Barinov | c1a6f12 | 2009-04-29 04:00:48 +0400 | [diff] [blame] | 276 | mxc_gpio_setup_multiple_pins(mx27ads_pins, ARRAY_SIZE(mx27ads_pins), |
| 277 | "mx27ads"); |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 278 | |
Sascha Hauer | 7e90534 | 2008-09-09 10:19:41 +0200 | [diff] [blame] | 279 | mxc_register_device(&mxc_uart_device0, &uart_pdata[0]); |
| 280 | mxc_register_device(&mxc_uart_device1, &uart_pdata[1]); |
| 281 | mxc_register_device(&mxc_uart_device2, &uart_pdata[2]); |
| 282 | mxc_register_device(&mxc_uart_device3, &uart_pdata[3]); |
| 283 | mxc_register_device(&mxc_uart_device4, &uart_pdata[4]); |
| 284 | mxc_register_device(&mxc_uart_device5, &uart_pdata[5]); |
Vladimir Barinov | 8d4fd25 | 2009-04-29 04:00:49 +0400 | [diff] [blame] | 285 | mxc_register_device(&mxc_nand_device, &mx27ads_nand_board_info); |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 286 | |
Vladimir Barinov | c981214 | 2009-04-29 04:00:50 +0400 | [diff] [blame] | 287 | /* only the i2c master 1 is used on this CPU card */ |
| 288 | i2c_register_board_info(1, mx27ads_i2c_devices, |
| 289 | ARRAY_SIZE(mx27ads_i2c_devices)); |
| 290 | mxc_register_device(&mxc_i2c_device1, &mx27ads_i2c_data); |
Vladimir Barinov | 11cda13 | 2009-04-29 04:00:51 +0400 | [diff] [blame] | 291 | mxc_register_device(&mxc_fb_device, &mx27ads_fb_data); |
Vladimir Barinov | 60c24dc | 2009-04-30 15:31:20 +0400 | [diff] [blame] | 292 | mxc_register_device(&mxc_sdhc_device0, &sdhc1_pdata); |
| 293 | mxc_register_device(&mxc_sdhc_device1, &sdhc2_pdata); |
Vladimir Barinov | c981214 | 2009-04-29 04:00:50 +0400 | [diff] [blame] | 294 | |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 295 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); |
| 296 | } |
| 297 | |
| 298 | static void __init mx27ads_timer_init(void) |
| 299 | { |
| 300 | unsigned long fref = 26000000; |
| 301 | |
| 302 | if ((__raw_readw(PBC_VERSION_REG) & CKIH_27MHZ_BIT_SET) == 0) |
| 303 | fref = 27000000; |
| 304 | |
Sascha Hauer | 30c730f | 2009-02-16 14:36:49 +0100 | [diff] [blame] | 305 | mx27_clocks_init(fref); |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 306 | } |
| 307 | |
Holger Schurig | 058b7a6 | 2009-01-26 16:34:51 +0100 | [diff] [blame] | 308 | static struct sys_timer mx27ads_timer = { |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 309 | .init = mx27ads_timer_init, |
| 310 | }; |
| 311 | |
| 312 | static struct map_desc mx27ads_io_desc[] __initdata = { |
| 313 | { |
| 314 | .virtual = PBC_BASE_ADDRESS, |
| 315 | .pfn = __phys_to_pfn(CS4_BASE_ADDR), |
| 316 | .length = SZ_1M, |
| 317 | .type = MT_DEVICE, |
| 318 | }, |
| 319 | }; |
| 320 | |
Holger Schurig | 058b7a6 | 2009-01-26 16:34:51 +0100 | [diff] [blame] | 321 | static void __init mx27ads_map_io(void) |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 322 | { |
Sascha Hauer | cd4a05f | 2009-04-02 22:32:10 +0200 | [diff] [blame] | 323 | mx27_map_io(); |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 324 | iotable_init(mx27ads_io_desc, ARRAY_SIZE(mx27ads_io_desc)); |
| 325 | } |
| 326 | |
| 327 | MACHINE_START(MX27ADS, "Freescale i.MX27ADS") |
| 328 | /* maintainer: Freescale Semiconductor, Inc. */ |
| 329 | .phys_io = AIPI_BASE_ADDR, |
| 330 | .io_pg_offst = ((AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc, |
| 331 | .boot_params = PHYS_OFFSET + 0x100, |
| 332 | .map_io = mx27ads_map_io, |
| 333 | .init_irq = mxc_init_irq, |
| 334 | .init_machine = mx27ads_board_init, |
| 335 | .timer = &mx27ads_timer, |
| 336 | MACHINE_END |
| 337 | |