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. |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 15 | */ |
| 16 | |
| 17 | #include <linux/platform_device.h> |
| 18 | #include <linux/mtd/mtd.h> |
| 19 | #include <linux/mtd/map.h> |
| 20 | #include <linux/mtd/partitions.h> |
| 21 | #include <linux/mtd/physmap.h> |
Vladimir Barinov | c981214 | 2009-04-29 04:00:50 +0400 | [diff] [blame] | 22 | #include <linux/i2c.h> |
Vladimir Barinov | 60c24dc | 2009-04-30 15:31:20 +0400 | [diff] [blame] | 23 | #include <linux/irq.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 24 | #include <mach/common.h> |
| 25 | #include <mach/hardware.h> |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 26 | #include <asm/mach-types.h> |
| 27 | #include <asm/mach/arch.h> |
| 28 | #include <asm/mach/time.h> |
| 29 | #include <asm/mach/map.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 30 | #include <mach/gpio.h> |
Uwe Kleine-König | e835d88 | 2010-02-16 11:07:49 +0100 | [diff] [blame] | 31 | #include <mach/iomux-mx27.h> |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 32 | |
Uwe Kleine-König | 0e7a29a | 2010-06-16 07:35:31 +0200 | [diff] [blame] | 33 | #include "devices-imx27.h" |
Sascha Hauer | 7e90534 | 2008-09-09 10:19:41 +0200 | [diff] [blame] | 34 | |
Uwe Kleine-König | 1faeaab | 2010-03-08 16:07:30 +0100 | [diff] [blame] | 35 | /* |
| 36 | * Base address of PBC controller, CS4 |
| 37 | */ |
| 38 | #define PBC_BASE_ADDRESS 0xf4300000 |
| 39 | #define PBC_REG_ADDR(offset) (void __force __iomem *) \ |
| 40 | (PBC_BASE_ADDRESS + (offset)) |
| 41 | |
| 42 | /* When the PBC address connection is fixed in h/w, defined as 1 */ |
| 43 | #define PBC_ADDR_SH 0 |
| 44 | |
| 45 | /* Offsets for the PBC Controller register */ |
| 46 | /* |
| 47 | * PBC Board version register offset |
| 48 | */ |
| 49 | #define PBC_VERSION_REG PBC_REG_ADDR(0x00000 >> PBC_ADDR_SH) |
| 50 | /* |
| 51 | * PBC Board control register 1 set address. |
| 52 | */ |
| 53 | #define PBC_BCTRL1_SET_REG PBC_REG_ADDR(0x00008 >> PBC_ADDR_SH) |
| 54 | /* |
| 55 | * PBC Board control register 1 clear address. |
| 56 | */ |
| 57 | #define PBC_BCTRL1_CLEAR_REG PBC_REG_ADDR(0x0000C >> PBC_ADDR_SH) |
| 58 | |
| 59 | /* PBC Board Control Register 1 bit definitions */ |
| 60 | #define PBC_BCTRL1_LCDON 0x0800 /* Enable the LCD */ |
| 61 | |
| 62 | /* to determine the correct external crystal reference */ |
| 63 | #define CKIH_27MHZ_BIT_SET (1 << 3) |
| 64 | |
Uwe Kleine-König | 6c80ee5 | 2010-09-28 21:53:31 +0200 | [diff] [blame] | 65 | static const int mx27ads_pins[] __initconst = { |
Vladimir Barinov | c1a6f12 | 2009-04-29 04:00:48 +0400 | [diff] [blame] | 66 | /* UART0 */ |
| 67 | PE12_PF_UART1_TXD, |
| 68 | PE13_PF_UART1_RXD, |
| 69 | PE14_PF_UART1_CTS, |
| 70 | PE15_PF_UART1_RTS, |
| 71 | /* UART1 */ |
| 72 | PE3_PF_UART2_CTS, |
| 73 | PE4_PF_UART2_RTS, |
| 74 | PE6_PF_UART2_TXD, |
| 75 | PE7_PF_UART2_RXD, |
| 76 | /* UART2 */ |
| 77 | PE8_PF_UART3_TXD, |
| 78 | PE9_PF_UART3_RXD, |
| 79 | PE10_PF_UART3_CTS, |
| 80 | PE11_PF_UART3_RTS, |
| 81 | /* UART3 */ |
| 82 | PB26_AF_UART4_RTS, |
| 83 | PB28_AF_UART4_TXD, |
| 84 | PB29_AF_UART4_CTS, |
| 85 | PB31_AF_UART4_RXD, |
| 86 | /* UART4 */ |
| 87 | PB18_AF_UART5_TXD, |
| 88 | PB19_AF_UART5_RXD, |
| 89 | PB20_AF_UART5_CTS, |
| 90 | PB21_AF_UART5_RTS, |
| 91 | /* UART5 */ |
| 92 | PB10_AF_UART6_TXD, |
| 93 | PB12_AF_UART6_CTS, |
| 94 | PB11_AF_UART6_RXD, |
| 95 | PB13_AF_UART6_RTS, |
| 96 | /* FEC */ |
| 97 | PD0_AIN_FEC_TXD0, |
| 98 | PD1_AIN_FEC_TXD1, |
| 99 | PD2_AIN_FEC_TXD2, |
| 100 | PD3_AIN_FEC_TXD3, |
| 101 | PD4_AOUT_FEC_RX_ER, |
| 102 | PD5_AOUT_FEC_RXD1, |
| 103 | PD6_AOUT_FEC_RXD2, |
| 104 | PD7_AOUT_FEC_RXD3, |
| 105 | PD8_AF_FEC_MDIO, |
| 106 | PD9_AIN_FEC_MDC, |
| 107 | PD10_AOUT_FEC_CRS, |
| 108 | PD11_AOUT_FEC_TX_CLK, |
| 109 | PD12_AOUT_FEC_RXD0, |
| 110 | PD13_AOUT_FEC_RX_DV, |
| 111 | PD14_AOUT_FEC_RX_CLK, |
| 112 | PD15_AOUT_FEC_COL, |
| 113 | PD16_AIN_FEC_TX_ER, |
| 114 | PF23_AIN_FEC_TX_EN, |
Vladimir Barinov | c981214 | 2009-04-29 04:00:50 +0400 | [diff] [blame] | 115 | /* I2C2 */ |
| 116 | PC5_PF_I2C2_SDA, |
| 117 | PC6_PF_I2C2_SCL, |
Vladimir Barinov | 11cda13 | 2009-04-29 04:00:51 +0400 | [diff] [blame] | 118 | /* FB */ |
| 119 | PA5_PF_LSCLK, |
| 120 | PA6_PF_LD0, |
| 121 | PA7_PF_LD1, |
| 122 | PA8_PF_LD2, |
| 123 | PA9_PF_LD3, |
| 124 | PA10_PF_LD4, |
| 125 | PA11_PF_LD5, |
| 126 | PA12_PF_LD6, |
| 127 | PA13_PF_LD7, |
| 128 | PA14_PF_LD8, |
| 129 | PA15_PF_LD9, |
| 130 | PA16_PF_LD10, |
| 131 | PA17_PF_LD11, |
| 132 | PA18_PF_LD12, |
| 133 | PA19_PF_LD13, |
| 134 | PA20_PF_LD14, |
| 135 | PA21_PF_LD15, |
| 136 | PA22_PF_LD16, |
| 137 | PA23_PF_LD17, |
| 138 | PA24_PF_REV, |
| 139 | PA25_PF_CLS, |
| 140 | PA26_PF_PS, |
| 141 | PA27_PF_SPL_SPR, |
| 142 | PA28_PF_HSYNC, |
| 143 | PA29_PF_VSYNC, |
| 144 | PA30_PF_CONTRAST, |
| 145 | PA31_PF_OE_ACD, |
Vladimir Barinov | 9366d8f | 2009-04-29 04:00:52 +0400 | [diff] [blame] | 146 | /* OWIRE */ |
| 147 | PE16_AF_OWIRE, |
Vladimir Barinov | 60c24dc | 2009-04-30 15:31:20 +0400 | [diff] [blame] | 148 | /* SDHC1*/ |
| 149 | PE18_PF_SD1_D0, |
| 150 | PE19_PF_SD1_D1, |
| 151 | PE20_PF_SD1_D2, |
| 152 | PE21_PF_SD1_D3, |
| 153 | PE22_PF_SD1_CMD, |
| 154 | PE23_PF_SD1_CLK, |
| 155 | /* SDHC2*/ |
| 156 | PB4_PF_SD2_D0, |
| 157 | PB5_PF_SD2_D1, |
| 158 | PB6_PF_SD2_D2, |
| 159 | PB7_PF_SD2_D3, |
| 160 | PB8_PF_SD2_CMD, |
| 161 | PB9_PF_SD2_CLK, |
Vladimir Barinov | c1a6f12 | 2009-04-29 04:00:48 +0400 | [diff] [blame] | 162 | }; |
| 163 | |
Uwe Kleine-König | 0e7a29a | 2010-06-16 07:35:31 +0200 | [diff] [blame] | 164 | static const struct mxc_nand_platform_data |
| 165 | mx27ads_nand_board_info __initconst = { |
Vladimir Barinov | 8d4fd25 | 2009-04-29 04:00:49 +0400 | [diff] [blame] | 166 | .width = 1, |
| 167 | .hw_ecc = 1, |
| 168 | }; |
| 169 | |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 170 | /* ADS's NOR flash */ |
| 171 | static struct physmap_flash_data mx27ads_flash_data = { |
| 172 | .width = 2, |
| 173 | }; |
| 174 | |
| 175 | static struct resource mx27ads_flash_resource = { |
| 176 | .start = 0xc0000000, |
| 177 | .end = 0xc0000000 + 0x02000000 - 1, |
| 178 | .flags = IORESOURCE_MEM, |
| 179 | |
| 180 | }; |
| 181 | |
| 182 | static struct platform_device mx27ads_nor_mtd_device = { |
| 183 | .name = "physmap-flash", |
| 184 | .id = 0, |
| 185 | .dev = { |
| 186 | .platform_data = &mx27ads_flash_data, |
| 187 | }, |
| 188 | .num_resources = 1, |
| 189 | .resource = &mx27ads_flash_resource, |
| 190 | }; |
| 191 | |
Uwe Kleine-König | c698715 | 2010-06-16 17:25:40 +0200 | [diff] [blame] | 192 | static const struct imxi2c_platform_data mx27ads_i2c1_data __initconst = { |
Vladimir Barinov | c981214 | 2009-04-29 04:00:50 +0400 | [diff] [blame] | 193 | .bitrate = 100000, |
| 194 | }; |
| 195 | |
| 196 | static struct i2c_board_info mx27ads_i2c_devices[] = { |
| 197 | }; |
| 198 | |
Vladimir Barinov | 11cda13 | 2009-04-29 04:00:51 +0400 | [diff] [blame] | 199 | void lcd_power(int on) |
| 200 | { |
| 201 | if (on) |
| 202 | __raw_writew(PBC_BCTRL1_LCDON, PBC_BCTRL1_SET_REG); |
| 203 | else |
| 204 | __raw_writew(PBC_BCTRL1_LCDON, PBC_BCTRL1_CLEAR_REG); |
| 205 | } |
| 206 | |
Sascha Hauer | 343684f | 2009-03-19 08:25:41 +0100 | [diff] [blame] | 207 | static struct imx_fb_videomode mx27ads_modes[] = { |
| 208 | { |
| 209 | .mode = { |
| 210 | .name = "Sharp-LQ035Q7", |
| 211 | .refresh = 60, |
| 212 | .xres = 240, |
| 213 | .yres = 320, |
| 214 | .pixclock = 188679, /* in ps (5.3MHz) */ |
| 215 | .hsync_len = 1, |
| 216 | .left_margin = 9, |
| 217 | .right_margin = 16, |
| 218 | .vsync_len = 1, |
| 219 | .upper_margin = 7, |
| 220 | .lower_margin = 9, |
| 221 | }, |
| 222 | .bpp = 16, |
| 223 | .pcr = 0xFB008BC0, |
| 224 | }, |
| 225 | }; |
| 226 | |
Uwe Kleine-König | ad851bf | 2010-11-04 17:07:48 +0100 | [diff] [blame] | 227 | static const struct imx_fb_platform_data mx27ads_fb_data __initconst = { |
Sascha Hauer | 343684f | 2009-03-19 08:25:41 +0100 | [diff] [blame] | 228 | .mode = mx27ads_modes, |
| 229 | .num_modes = ARRAY_SIZE(mx27ads_modes), |
Vladimir Barinov | 11cda13 | 2009-04-29 04:00:51 +0400 | [diff] [blame] | 230 | |
| 231 | /* |
| 232 | * - HSYNC active high |
| 233 | * - VSYNC active high |
| 234 | * - clk notenabled while idle |
| 235 | * - clock inverted |
| 236 | * - data not inverted |
| 237 | * - data enable low active |
| 238 | * - enable sharp mode |
| 239 | */ |
Vladimir Barinov | 11cda13 | 2009-04-29 04:00:51 +0400 | [diff] [blame] | 240 | .pwmr = 0x00A903FF, |
| 241 | .lscr1 = 0x00120300, |
| 242 | .dmacr = 0x00020010, |
| 243 | |
| 244 | .lcd_power = lcd_power, |
| 245 | }; |
| 246 | |
Vladimir Barinov | 60c24dc | 2009-04-30 15:31:20 +0400 | [diff] [blame] | 247 | static int mx27ads_sdhc1_init(struct device *dev, irq_handler_t detect_irq, |
| 248 | void *data) |
| 249 | { |
| 250 | return request_irq(IRQ_GPIOE(21), detect_irq, IRQF_TRIGGER_RISING, |
| 251 | "sdhc1-card-detect", data); |
| 252 | } |
| 253 | |
| 254 | static int mx27ads_sdhc2_init(struct device *dev, irq_handler_t detect_irq, |
| 255 | void *data) |
| 256 | { |
| 257 | return request_irq(IRQ_GPIOB(7), detect_irq, IRQF_TRIGGER_RISING, |
| 258 | "sdhc2-card-detect", data); |
| 259 | } |
| 260 | |
| 261 | static void mx27ads_sdhc1_exit(struct device *dev, void *data) |
| 262 | { |
| 263 | free_irq(IRQ_GPIOE(21), data); |
| 264 | } |
| 265 | |
| 266 | static void mx27ads_sdhc2_exit(struct device *dev, void *data) |
| 267 | { |
| 268 | free_irq(IRQ_GPIOB(7), data); |
| 269 | } |
| 270 | |
Uwe Kleine-König | 9d3d945 | 2010-11-05 17:26:09 +0100 | [diff] [blame] | 271 | static const struct imxmmc_platform_data sdhc1_pdata __initconst = { |
Vladimir Barinov | 60c24dc | 2009-04-30 15:31:20 +0400 | [diff] [blame] | 272 | .init = mx27ads_sdhc1_init, |
| 273 | .exit = mx27ads_sdhc1_exit, |
| 274 | }; |
| 275 | |
Uwe Kleine-König | 9d3d945 | 2010-11-05 17:26:09 +0100 | [diff] [blame] | 276 | static const struct imxmmc_platform_data sdhc2_pdata __initconst = { |
Vladimir Barinov | 60c24dc | 2009-04-30 15:31:20 +0400 | [diff] [blame] | 277 | .init = mx27ads_sdhc2_init, |
| 278 | .exit = mx27ads_sdhc2_exit, |
| 279 | }; |
| 280 | |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 281 | static struct platform_device *platform_devices[] __initdata = { |
| 282 | &mx27ads_nor_mtd_device, |
| 283 | }; |
| 284 | |
Uwe Kleine-König | d5dac4a | 2010-06-23 09:36:01 +0200 | [diff] [blame] | 285 | static const struct imxuart_platform_data uart_pdata __initconst = { |
| 286 | .flags = IMXUART_HAVE_RTSCTS, |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 287 | }; |
| 288 | |
| 289 | static void __init mx27ads_board_init(void) |
| 290 | { |
Shawn Guo | b78d8e5 | 2011-06-06 00:07:55 +0800 | [diff] [blame] | 291 | imx27_soc_init(); |
| 292 | |
Vladimir Barinov | c1a6f12 | 2009-04-29 04:00:48 +0400 | [diff] [blame] | 293 | mxc_gpio_setup_multiple_pins(mx27ads_pins, ARRAY_SIZE(mx27ads_pins), |
| 294 | "mx27ads"); |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 295 | |
Uwe Kleine-König | d5dac4a | 2010-06-23 09:36:01 +0200 | [diff] [blame] | 296 | imx27_add_imx_uart0(&uart_pdata); |
| 297 | imx27_add_imx_uart1(&uart_pdata); |
| 298 | imx27_add_imx_uart2(&uart_pdata); |
| 299 | imx27_add_imx_uart3(&uart_pdata); |
| 300 | imx27_add_imx_uart4(&uart_pdata); |
| 301 | imx27_add_imx_uart5(&uart_pdata); |
Uwe Kleine-König | 0e7a29a | 2010-06-16 07:35:31 +0200 | [diff] [blame] | 302 | imx27_add_mxc_nand(&mx27ads_nand_board_info); |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 303 | |
Vladimir Barinov | c981214 | 2009-04-29 04:00:50 +0400 | [diff] [blame] | 304 | /* only the i2c master 1 is used on this CPU card */ |
| 305 | i2c_register_board_info(1, mx27ads_i2c_devices, |
| 306 | ARRAY_SIZE(mx27ads_i2c_devices)); |
Uwe Kleine-König | 77a406d | 2010-08-25 12:19:50 +0200 | [diff] [blame] | 307 | imx27_add_imx_i2c(1, &mx27ads_i2c1_data); |
Uwe Kleine-König | ad851bf | 2010-11-04 17:07:48 +0100 | [diff] [blame] | 308 | imx27_add_imx_fb(&mx27ads_fb_data); |
Uwe Kleine-König | 9d3d945 | 2010-11-05 17:26:09 +0100 | [diff] [blame] | 309 | imx27_add_mxc_mmc(0, &sdhc1_pdata); |
| 310 | imx27_add_mxc_mmc(1, &sdhc2_pdata); |
Vladimir Barinov | c981214 | 2009-04-29 04:00:50 +0400 | [diff] [blame] | 311 | |
Uwe Kleine-König | 6bd96f3 | 2010-10-06 12:00:18 +0200 | [diff] [blame] | 312 | imx27_add_fec(NULL); |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 313 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); |
Uwe Kleine-König | ae71a56 | 2010-10-29 10:56:07 +0200 | [diff] [blame] | 314 | imx27_add_mxc_w1(NULL); |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 315 | } |
| 316 | |
| 317 | static void __init mx27ads_timer_init(void) |
| 318 | { |
| 319 | unsigned long fref = 26000000; |
| 320 | |
| 321 | if ((__raw_readw(PBC_VERSION_REG) & CKIH_27MHZ_BIT_SET) == 0) |
| 322 | fref = 27000000; |
| 323 | |
Sascha Hauer | 30c730f | 2009-02-16 14:36:49 +0100 | [diff] [blame] | 324 | mx27_clocks_init(fref); |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 325 | } |
| 326 | |
Holger Schurig | 058b7a6 | 2009-01-26 16:34:51 +0100 | [diff] [blame] | 327 | static struct sys_timer mx27ads_timer = { |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 328 | .init = mx27ads_timer_init, |
| 329 | }; |
| 330 | |
| 331 | static struct map_desc mx27ads_io_desc[] __initdata = { |
| 332 | { |
| 333 | .virtual = PBC_BASE_ADDRESS, |
Uwe Kleine-König | 3f35d1f | 2009-12-09 11:32:11 +0100 | [diff] [blame] | 334 | .pfn = __phys_to_pfn(MX27_CS4_BASE_ADDR), |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 335 | .length = SZ_1M, |
| 336 | .type = MT_DEVICE, |
| 337 | }, |
| 338 | }; |
| 339 | |
Holger Schurig | 058b7a6 | 2009-01-26 16:34:51 +0100 | [diff] [blame] | 340 | static void __init mx27ads_map_io(void) |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 341 | { |
Sascha Hauer | cd4a05f | 2009-04-02 22:32:10 +0200 | [diff] [blame] | 342 | mx27_map_io(); |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 343 | iotable_init(mx27ads_io_desc, ARRAY_SIZE(mx27ads_io_desc)); |
| 344 | } |
| 345 | |
| 346 | MACHINE_START(MX27ADS, "Freescale i.MX27ADS") |
| 347 | /* maintainer: Freescale Semiconductor, Inc. */ |
Uwe Kleine-König | 3dac219 | 2011-02-07 16:35:19 +0100 | [diff] [blame] | 348 | .boot_params = MX27_PHYS_OFFSET + 0x100, |
| 349 | .map_io = mx27ads_map_io, |
| 350 | .init_early = imx27_init_early, |
| 351 | .init_irq = mx27_init_irq, |
| 352 | .timer = &mx27ads_timer, |
| 353 | .init_machine = mx27ads_board_init, |
Juergen Beisert | 80eedae | 2008-07-05 10:03:00 +0200 | [diff] [blame] | 354 | MACHINE_END |