diff options
Diffstat (limited to 'arch/arm/mach-mx2/mach-mx27ads.c')
| -rw-r--r-- | arch/arm/mach-mx2/mach-mx27ads.c | 345 |
1 files changed, 345 insertions, 0 deletions
diff --git a/arch/arm/mach-mx2/mach-mx27ads.c b/arch/arm/mach-mx2/mach-mx27ads.c new file mode 100644 index 000000000000..6ce323669e58 --- /dev/null +++ b/arch/arm/mach-mx2/mach-mx27ads.c | |||
| @@ -0,0 +1,345 @@ | |||
| 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> | ||
| 26 | #include <linux/i2c.h> | ||
| 27 | #include <linux/irq.h> | ||
| 28 | #include <mach/common.h> | ||
| 29 | #include <mach/hardware.h> | ||
| 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 | #include <mach/gpio.h> | ||
| 35 | #include <mach/imx-uart.h> | ||
| 36 | #include <mach/iomux-mx27.h> | ||
| 37 | #include <mach/board-mx27ads.h> | ||
| 38 | #include <mach/mxc_nand.h> | ||
| 39 | #include <mach/i2c.h> | ||
| 40 | #include <mach/imxfb.h> | ||
| 41 | #include <mach/mmc.h> | ||
| 42 | |||
| 43 | #include "devices.h" | ||
| 44 | |||
| 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, | ||
| 95 | /* I2C2 */ | ||
| 96 | PC5_PF_I2C2_SDA, | ||
| 97 | PC6_PF_I2C2_SCL, | ||
| 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, | ||
| 126 | /* OWIRE */ | ||
| 127 | PE16_AF_OWIRE, | ||
| 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, | ||
| 142 | }; | ||
| 143 | |||
| 144 | static struct mxc_nand_platform_data mx27ads_nand_board_info = { | ||
| 145 | .width = 1, | ||
| 146 | .hw_ecc = 1, | ||
| 147 | }; | ||
| 148 | |||
| 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 | |||
| 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 | |||
| 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_videomode mx27ads_modes[] = { | ||
| 187 | { | ||
| 188 | .mode = { | ||
| 189 | .name = "Sharp-LQ035Q7", | ||
| 190 | .refresh = 60, | ||
| 191 | .xres = 240, | ||
| 192 | .yres = 320, | ||
| 193 | .pixclock = 188679, /* in ps (5.3MHz) */ | ||
| 194 | .hsync_len = 1, | ||
| 195 | .left_margin = 9, | ||
| 196 | .right_margin = 16, | ||
| 197 | .vsync_len = 1, | ||
| 198 | .upper_margin = 7, | ||
| 199 | .lower_margin = 9, | ||
| 200 | }, | ||
| 201 | .bpp = 16, | ||
| 202 | .pcr = 0xFB008BC0, | ||
| 203 | }, | ||
| 204 | }; | ||
| 205 | |||
| 206 | static struct imx_fb_platform_data mx27ads_fb_data = { | ||
| 207 | .mode = mx27ads_modes, | ||
| 208 | .num_modes = ARRAY_SIZE(mx27ads_modes), | ||
| 209 | |||
| 210 | /* | ||
| 211 | * - HSYNC active high | ||
| 212 | * - VSYNC active high | ||
| 213 | * - clk notenabled while idle | ||
| 214 | * - clock inverted | ||
| 215 | * - data not inverted | ||
| 216 | * - data enable low active | ||
| 217 | * - enable sharp mode | ||
| 218 | */ | ||
| 219 | .pwmr = 0x00A903FF, | ||
| 220 | .lscr1 = 0x00120300, | ||
| 221 | .dmacr = 0x00020010, | ||
| 222 | |||
| 223 | .lcd_power = lcd_power, | ||
| 224 | }; | ||
| 225 | |||
| 226 | static int mx27ads_sdhc1_init(struct device *dev, irq_handler_t detect_irq, | ||
| 227 | void *data) | ||
| 228 | { | ||
| 229 | return request_irq(IRQ_GPIOE(21), detect_irq, IRQF_TRIGGER_RISING, | ||
| 230 | "sdhc1-card-detect", data); | ||
| 231 | } | ||
| 232 | |||
| 233 | static int mx27ads_sdhc2_init(struct device *dev, irq_handler_t detect_irq, | ||
| 234 | void *data) | ||
| 235 | { | ||
| 236 | return request_irq(IRQ_GPIOB(7), detect_irq, IRQF_TRIGGER_RISING, | ||
| 237 | "sdhc2-card-detect", data); | ||
| 238 | } | ||
| 239 | |||
| 240 | static void mx27ads_sdhc1_exit(struct device *dev, void *data) | ||
| 241 | { | ||
| 242 | free_irq(IRQ_GPIOE(21), data); | ||
| 243 | } | ||
| 244 | |||
| 245 | static void mx27ads_sdhc2_exit(struct device *dev, void *data) | ||
| 246 | { | ||
| 247 | free_irq(IRQ_GPIOB(7), data); | ||
| 248 | } | ||
| 249 | |||
| 250 | static struct imxmmc_platform_data sdhc1_pdata = { | ||
| 251 | .init = mx27ads_sdhc1_init, | ||
| 252 | .exit = mx27ads_sdhc1_exit, | ||
| 253 | }; | ||
| 254 | |||
| 255 | static struct imxmmc_platform_data sdhc2_pdata = { | ||
| 256 | .init = mx27ads_sdhc2_init, | ||
| 257 | .exit = mx27ads_sdhc2_exit, | ||
| 258 | }; | ||
| 259 | |||
| 260 | static struct platform_device *platform_devices[] __initdata = { | ||
| 261 | &mx27ads_nor_mtd_device, | ||
| 262 | &mxc_fec_device, | ||
| 263 | &mxc_w1_master_device, | ||
| 264 | }; | ||
| 265 | |||
| 266 | static struct imxuart_platform_data uart_pdata[] = { | ||
| 267 | { | ||
| 268 | .flags = IMXUART_HAVE_RTSCTS, | ||
| 269 | }, { | ||
| 270 | .flags = IMXUART_HAVE_RTSCTS, | ||
| 271 | }, { | ||
| 272 | .flags = IMXUART_HAVE_RTSCTS, | ||
| 273 | }, { | ||
| 274 | .flags = IMXUART_HAVE_RTSCTS, | ||
| 275 | }, { | ||
| 276 | .flags = IMXUART_HAVE_RTSCTS, | ||
| 277 | }, { | ||
| 278 | .flags = IMXUART_HAVE_RTSCTS, | ||
| 279 | }, | ||
| 280 | }; | ||
| 281 | |||
| 282 | static void __init mx27ads_board_init(void) | ||
| 283 | { | ||
| 284 | mxc_gpio_setup_multiple_pins(mx27ads_pins, ARRAY_SIZE(mx27ads_pins), | ||
| 285 | "mx27ads"); | ||
| 286 | |||
| 287 | mxc_register_device(&mxc_uart_device0, &uart_pdata[0]); | ||
| 288 | mxc_register_device(&mxc_uart_device1, &uart_pdata[1]); | ||
| 289 | mxc_register_device(&mxc_uart_device2, &uart_pdata[2]); | ||
| 290 | mxc_register_device(&mxc_uart_device3, &uart_pdata[3]); | ||
| 291 | mxc_register_device(&mxc_uart_device4, &uart_pdata[4]); | ||
| 292 | mxc_register_device(&mxc_uart_device5, &uart_pdata[5]); | ||
| 293 | mxc_register_device(&imx27_nand_device, &mx27ads_nand_board_info); | ||
| 294 | |||
| 295 | /* only the i2c master 1 is used on this CPU card */ | ||
| 296 | i2c_register_board_info(1, mx27ads_i2c_devices, | ||
| 297 | ARRAY_SIZE(mx27ads_i2c_devices)); | ||
| 298 | mxc_register_device(&mxc_i2c_device1, &mx27ads_i2c_data); | ||
| 299 | mxc_register_device(&mxc_fb_device, &mx27ads_fb_data); | ||
| 300 | mxc_register_device(&mxc_sdhc_device0, &sdhc1_pdata); | ||
| 301 | mxc_register_device(&mxc_sdhc_device1, &sdhc2_pdata); | ||
| 302 | |||
| 303 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); | ||
| 304 | } | ||
| 305 | |||
| 306 | static void __init mx27ads_timer_init(void) | ||
| 307 | { | ||
| 308 | unsigned long fref = 26000000; | ||
| 309 | |||
| 310 | if ((__raw_readw(PBC_VERSION_REG) & CKIH_27MHZ_BIT_SET) == 0) | ||
| 311 | fref = 27000000; | ||
| 312 | |||
| 313 | mx27_clocks_init(fref); | ||
| 314 | } | ||
| 315 | |||
| 316 | static struct sys_timer mx27ads_timer = { | ||
| 317 | .init = mx27ads_timer_init, | ||
| 318 | }; | ||
| 319 | |||
| 320 | static struct map_desc mx27ads_io_desc[] __initdata = { | ||
| 321 | { | ||
| 322 | .virtual = PBC_BASE_ADDRESS, | ||
| 323 | .pfn = __phys_to_pfn(MX27_CS4_BASE_ADDR), | ||
| 324 | .length = SZ_1M, | ||
| 325 | .type = MT_DEVICE, | ||
| 326 | }, | ||
| 327 | }; | ||
| 328 | |||
| 329 | static void __init mx27ads_map_io(void) | ||
| 330 | { | ||
| 331 | mx27_map_io(); | ||
| 332 | iotable_init(mx27ads_io_desc, ARRAY_SIZE(mx27ads_io_desc)); | ||
| 333 | } | ||
| 334 | |||
| 335 | MACHINE_START(MX27ADS, "Freescale i.MX27ADS") | ||
| 336 | /* maintainer: Freescale Semiconductor, Inc. */ | ||
| 337 | .phys_io = MX27_AIPI_BASE_ADDR, | ||
| 338 | .io_pg_offst = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc, | ||
| 339 | .boot_params = MX27_PHYS_OFFSET + 0x100, | ||
| 340 | .map_io = mx27ads_map_io, | ||
| 341 | .init_irq = mx27_init_irq, | ||
| 342 | .init_machine = mx27ads_board_init, | ||
| 343 | .timer = &mx27ads_timer, | ||
| 344 | MACHINE_END | ||
| 345 | |||
