Fabio Estevam | 1553a1e | 2008-11-12 15:38:39 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. |
| 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 | |
Magnus Lilja | a2ef456 | 2010-05-14 17:08:29 +0200 | [diff] [blame] | 19 | #include <linux/delay.h> |
Fabio Estevam | 1553a1e | 2008-11-12 15:38:39 +0100 | [diff] [blame] | 20 | #include <linux/types.h> |
| 21 | #include <linux/init.h> |
| 22 | #include <linux/clk.h> |
| 23 | #include <linux/irq.h> |
Magnus Lilja | 135cad3 | 2009-05-17 20:18:08 +0200 | [diff] [blame] | 24 | #include <linux/gpio.h> |
Magnus Lilja | 2b0c367 | 2009-05-18 18:46:33 +0200 | [diff] [blame] | 25 | #include <linux/smsc911x.h> |
| 26 | #include <linux/platform_device.h> |
Alberto Panizzo | ae7a3f1 | 2010-03-23 19:51:45 +0100 | [diff] [blame] | 27 | #include <linux/mfd/mc13783.h> |
| 28 | #include <linux/spi/spi.h> |
| 29 | #include <linux/regulator/machine.h> |
Magnus Lilja | a2ef456 | 2010-05-14 17:08:29 +0200 | [diff] [blame] | 30 | #include <linux/fsl_devices.h> |
Alberto Panizzo | 54c1f63 | 2010-05-19 11:34:43 +0200 | [diff] [blame] | 31 | #include <linux/input/matrix_keypad.h> |
Fabio Estevam | 1553a1e | 2008-11-12 15:38:39 +0100 | [diff] [blame] | 32 | |
| 33 | #include <mach/hardware.h> |
| 34 | #include <asm/mach-types.h> |
| 35 | #include <asm/mach/arch.h> |
| 36 | #include <asm/mach/time.h> |
| 37 | #include <asm/memory.h> |
| 38 | #include <asm/mach/map.h> |
| 39 | #include <mach/common.h> |
Alberto Panizzo | 11a332a | 2010-03-23 19:46:57 +0100 | [diff] [blame] | 40 | #include <mach/board-mx31_3ds.h> |
Fabio Estevam | 1553a1e | 2008-11-12 15:38:39 +0100 | [diff] [blame] | 41 | #include <mach/imx-uart.h> |
| 42 | #include <mach/iomux-mx3.h> |
Alberto Panizzo | a1b67b9 | 2010-03-23 19:49:35 +0100 | [diff] [blame] | 43 | #include <mach/mxc_nand.h> |
Alberto Panizzo | a1ac442 | 2010-03-23 19:50:28 +0100 | [diff] [blame] | 44 | #include <mach/spi.h> |
Fabio Estevam | 1553a1e | 2008-11-12 15:38:39 +0100 | [diff] [blame] | 45 | #include "devices.h" |
| 46 | |
| 47 | /*! |
Alberto Panizzo | 11a332a | 2010-03-23 19:46:57 +0100 | [diff] [blame] | 48 | * @file mx31_3ds.c |
Fabio Estevam | 1553a1e | 2008-11-12 15:38:39 +0100 | [diff] [blame] | 49 | * |
| 50 | * @brief This file contains the board-specific initialization routines. |
| 51 | * |
| 52 | * @ingroup System |
| 53 | */ |
| 54 | |
Alberto Panizzo | 11a332a | 2010-03-23 19:46:57 +0100 | [diff] [blame] | 55 | static int mx31_3ds_pins[] = { |
Magnus Lilja | 153fa1d | 2009-05-16 12:43:10 +0200 | [diff] [blame] | 56 | /* UART1 */ |
Valentin Longchamp | 63d97667 | 2009-01-28 15:13:53 +0100 | [diff] [blame] | 57 | MX31_PIN_CTS1__CTS1, |
| 58 | MX31_PIN_RTS1__RTS1, |
| 59 | MX31_PIN_TXD1__TXD1, |
Magnus Lilja | 135cad3 | 2009-05-17 20:18:08 +0200 | [diff] [blame] | 60 | MX31_PIN_RXD1__RXD1, |
| 61 | IOMUX_MODE(MX31_PIN_GPIO1_1, IOMUX_CONFIG_GPIO), |
Alberto Panizzo | a1ac442 | 2010-03-23 19:50:28 +0100 | [diff] [blame] | 62 | /* SPI 1 */ |
| 63 | MX31_PIN_CSPI2_SCLK__SCLK, |
| 64 | MX31_PIN_CSPI2_MOSI__MOSI, |
| 65 | MX31_PIN_CSPI2_MISO__MISO, |
| 66 | MX31_PIN_CSPI2_SPI_RDY__SPI_RDY, |
| 67 | MX31_PIN_CSPI2_SS0__SS0, |
| 68 | MX31_PIN_CSPI2_SS2__SS2, /*CS for MC13783 */ |
Alberto Panizzo | ae7a3f1 | 2010-03-23 19:51:45 +0100 | [diff] [blame] | 69 | /* MC13783 IRQ */ |
| 70 | IOMUX_MODE(MX31_PIN_GPIO1_3, IOMUX_CONFIG_GPIO), |
Magnus Lilja | a2ef456 | 2010-05-14 17:08:29 +0200 | [diff] [blame] | 71 | /* USB OTG reset */ |
| 72 | IOMUX_MODE(MX31_PIN_USB_PWR, IOMUX_CONFIG_GPIO), |
| 73 | /* USB OTG */ |
| 74 | MX31_PIN_USBOTG_DATA0__USBOTG_DATA0, |
| 75 | MX31_PIN_USBOTG_DATA1__USBOTG_DATA1, |
| 76 | MX31_PIN_USBOTG_DATA2__USBOTG_DATA2, |
| 77 | MX31_PIN_USBOTG_DATA3__USBOTG_DATA3, |
| 78 | MX31_PIN_USBOTG_DATA4__USBOTG_DATA4, |
| 79 | MX31_PIN_USBOTG_DATA5__USBOTG_DATA5, |
| 80 | MX31_PIN_USBOTG_DATA6__USBOTG_DATA6, |
| 81 | MX31_PIN_USBOTG_DATA7__USBOTG_DATA7, |
| 82 | MX31_PIN_USBOTG_CLK__USBOTG_CLK, |
| 83 | MX31_PIN_USBOTG_DIR__USBOTG_DIR, |
| 84 | MX31_PIN_USBOTG_NXT__USBOTG_NXT, |
| 85 | MX31_PIN_USBOTG_STP__USBOTG_STP, |
Alberto Panizzo | 54c1f63 | 2010-05-19 11:34:43 +0200 | [diff] [blame] | 86 | /*Keyboard*/ |
| 87 | MX31_PIN_KEY_ROW0_KEY_ROW0, |
| 88 | MX31_PIN_KEY_ROW1_KEY_ROW1, |
| 89 | MX31_PIN_KEY_ROW2_KEY_ROW2, |
| 90 | MX31_PIN_KEY_COL0_KEY_COL0, |
| 91 | MX31_PIN_KEY_COL1_KEY_COL1, |
| 92 | MX31_PIN_KEY_COL2_KEY_COL2, |
| 93 | MX31_PIN_KEY_COL3_KEY_COL3, |
| 94 | }; |
| 95 | |
| 96 | /* |
| 97 | * Matrix keyboard |
| 98 | */ |
| 99 | |
| 100 | static const uint32_t mx31_3ds_keymap[] = { |
| 101 | KEY(0, 0, KEY_UP), |
| 102 | KEY(0, 1, KEY_DOWN), |
| 103 | KEY(1, 0, KEY_RIGHT), |
| 104 | KEY(1, 1, KEY_LEFT), |
| 105 | KEY(1, 2, KEY_ENTER), |
| 106 | KEY(2, 0, KEY_F6), |
| 107 | KEY(2, 1, KEY_F8), |
| 108 | KEY(2, 2, KEY_F9), |
| 109 | KEY(2, 3, KEY_F10), |
| 110 | }; |
| 111 | |
| 112 | static struct matrix_keymap_data mx31_3ds_keymap_data = { |
| 113 | .keymap = mx31_3ds_keymap, |
| 114 | .keymap_size = ARRAY_SIZE(mx31_3ds_keymap), |
Alberto Panizzo | ae7a3f1 | 2010-03-23 19:51:45 +0100 | [diff] [blame] | 115 | }; |
| 116 | |
| 117 | /* Regulators */ |
| 118 | static struct regulator_init_data pwgtx_init = { |
| 119 | .constraints = { |
| 120 | .boot_on = 1, |
| 121 | .always_on = 1, |
| 122 | }, |
| 123 | }; |
| 124 | |
| 125 | static struct mc13783_regulator_init_data mx31_3ds_regulators[] = { |
| 126 | { |
| 127 | .id = MC13783_REGU_PWGT1SPI, /* Power Gate for ARM core. */ |
| 128 | .init_data = &pwgtx_init, |
| 129 | }, { |
| 130 | .id = MC13783_REGU_PWGT2SPI, /* Power Gate for L2 Cache. */ |
| 131 | .init_data = &pwgtx_init, |
| 132 | }, |
| 133 | }; |
| 134 | |
| 135 | /* MC13783 */ |
| 136 | static struct mc13783_platform_data mc13783_pdata __initdata = { |
| 137 | .regulators = mx31_3ds_regulators, |
| 138 | .num_regulators = ARRAY_SIZE(mx31_3ds_regulators), |
| 139 | .flags = MC13783_USE_REGULATOR, |
Alberto Panizzo | a1ac442 | 2010-03-23 19:50:28 +0100 | [diff] [blame] | 140 | }; |
| 141 | |
| 142 | /* SPI */ |
| 143 | static int spi1_internal_chipselect[] = { |
| 144 | MXC_SPI_CS(0), |
| 145 | MXC_SPI_CS(2), |
| 146 | }; |
| 147 | |
| 148 | static struct spi_imx_master spi1_pdata = { |
| 149 | .chipselect = spi1_internal_chipselect, |
| 150 | .num_chipselect = ARRAY_SIZE(spi1_internal_chipselect), |
Valentin Longchamp | 63d97667 | 2009-01-28 15:13:53 +0100 | [diff] [blame] | 151 | }; |
| 152 | |
Alberto Panizzo | ae7a3f1 | 2010-03-23 19:51:45 +0100 | [diff] [blame] | 153 | static struct spi_board_info mx31_3ds_spi_devs[] __initdata = { |
| 154 | { |
| 155 | .modalias = "mc13783", |
| 156 | .max_speed_hz = 1000000, |
| 157 | .bus_num = 1, |
| 158 | .chip_select = 1, /* SS2 */ |
| 159 | .platform_data = &mc13783_pdata, |
| 160 | .irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3), |
| 161 | .mode = SPI_CS_HIGH, |
| 162 | }, |
| 163 | }; |
| 164 | |
Alberto Panizzo | a1b67b9 | 2010-03-23 19:49:35 +0100 | [diff] [blame] | 165 | /* |
| 166 | * NAND Flash |
| 167 | */ |
| 168 | static struct mxc_nand_platform_data imx31_3ds_nand_flash_pdata = { |
| 169 | .width = 1, |
| 170 | .hw_ecc = 1, |
| 171 | #ifdef MACH_MX31_3DS_MXC_NAND_USE_BBT |
| 172 | .flash_bbt = 1, |
| 173 | #endif |
| 174 | }; |
| 175 | |
Magnus Lilja | a2ef456 | 2010-05-14 17:08:29 +0200 | [diff] [blame] | 176 | /* |
| 177 | * USB OTG |
| 178 | */ |
| 179 | |
| 180 | #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \ |
| 181 | PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU) |
| 182 | |
| 183 | #define USBOTG_RST_B IOMUX_TO_GPIO(MX31_PIN_USB_PWR) |
| 184 | |
| 185 | static void mx31_3ds_usbotg_init(void) |
| 186 | { |
| 187 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG); |
| 188 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG); |
| 189 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG); |
| 190 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG); |
| 191 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG); |
| 192 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG); |
| 193 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG); |
| 194 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG); |
| 195 | mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG); |
| 196 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG); |
| 197 | mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG); |
| 198 | mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG); |
| 199 | |
| 200 | gpio_request(USBOTG_RST_B, "otgusb-reset"); |
| 201 | gpio_direction_output(USBOTG_RST_B, 0); |
| 202 | mdelay(1); |
| 203 | gpio_set_value(USBOTG_RST_B, 1); |
| 204 | } |
| 205 | |
| 206 | static struct fsl_usb2_platform_data usbotg_pdata = { |
| 207 | .operating_mode = FSL_USB2_DR_DEVICE, |
| 208 | .phy_mode = FSL_USB2_PHY_ULPI, |
| 209 | }; |
| 210 | |
Magnus Lilja | 153fa1d | 2009-05-16 12:43:10 +0200 | [diff] [blame] | 211 | static struct imxuart_platform_data uart_pdata = { |
| 212 | .flags = IMXUART_HAVE_RTSCTS, |
| 213 | }; |
Fabio Estevam | 1553a1e | 2008-11-12 15:38:39 +0100 | [diff] [blame] | 214 | |
Magnus Lilja | 135cad3 | 2009-05-17 20:18:08 +0200 | [diff] [blame] | 215 | /* |
Magnus Lilja | 2b0c367 | 2009-05-18 18:46:33 +0200 | [diff] [blame] | 216 | * Support for the SMSC9217 on the Debug board. |
| 217 | */ |
| 218 | |
| 219 | static struct smsc911x_platform_config smsc911x_config = { |
| 220 | .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, |
| 221 | .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, |
| 222 | .flags = SMSC911X_USE_16BIT | SMSC911X_FORCE_INTERNAL_PHY, |
| 223 | .phy_interface = PHY_INTERFACE_MODE_MII, |
| 224 | }; |
| 225 | |
| 226 | static struct resource smsc911x_resources[] = { |
| 227 | { |
| 228 | .start = LAN9217_BASE_ADDR, |
| 229 | .end = LAN9217_BASE_ADDR + 0xff, |
| 230 | .flags = IORESOURCE_MEM, |
| 231 | }, { |
| 232 | .start = EXPIO_INT_ENET, |
| 233 | .end = EXPIO_INT_ENET, |
| 234 | .flags = IORESOURCE_IRQ, |
| 235 | }, |
| 236 | }; |
| 237 | |
| 238 | static struct platform_device smsc911x_device = { |
| 239 | .name = "smsc911x", |
| 240 | .id = -1, |
| 241 | .num_resources = ARRAY_SIZE(smsc911x_resources), |
| 242 | .resource = smsc911x_resources, |
| 243 | .dev = { |
| 244 | .platform_data = &smsc911x_config, |
| 245 | }, |
| 246 | }; |
| 247 | |
| 248 | /* |
Magnus Lilja | 135cad3 | 2009-05-17 20:18:08 +0200 | [diff] [blame] | 249 | * Routines for the CPLD on the debug board. It contains a CPLD handling |
| 250 | * LEDs, switches, interrupts for Ethernet. |
| 251 | */ |
| 252 | |
Alberto Panizzo | 11a332a | 2010-03-23 19:46:57 +0100 | [diff] [blame] | 253 | static void mx31_3ds_expio_irq_handler(uint32_t irq, struct irq_desc *desc) |
Magnus Lilja | 135cad3 | 2009-05-17 20:18:08 +0200 | [diff] [blame] | 254 | { |
| 255 | uint32_t imr_val; |
| 256 | uint32_t int_valid; |
| 257 | uint32_t expio_irq; |
| 258 | |
| 259 | imr_val = __raw_readw(CPLD_INT_MASK_REG); |
| 260 | int_valid = __raw_readw(CPLD_INT_STATUS_REG) & ~imr_val; |
| 261 | |
| 262 | expio_irq = MXC_EXP_IO_BASE; |
| 263 | for (; int_valid != 0; int_valid >>= 1, expio_irq++) { |
| 264 | if ((int_valid & 1) == 0) |
| 265 | continue; |
| 266 | generic_handle_irq(expio_irq); |
| 267 | } |
| 268 | } |
| 269 | |
| 270 | /* |
| 271 | * Disable an expio pin's interrupt by setting the bit in the imr. |
| 272 | * @param irq an expio virtual irq number |
| 273 | */ |
| 274 | static void expio_mask_irq(uint32_t irq) |
| 275 | { |
| 276 | uint16_t reg; |
| 277 | uint32_t expio = MXC_IRQ_TO_EXPIO(irq); |
| 278 | |
| 279 | /* mask the interrupt */ |
| 280 | reg = __raw_readw(CPLD_INT_MASK_REG); |
| 281 | reg |= 1 << expio; |
| 282 | __raw_writew(reg, CPLD_INT_MASK_REG); |
| 283 | } |
| 284 | |
| 285 | /* |
| 286 | * Acknowledge an expanded io pin's interrupt by clearing the bit in the isr. |
| 287 | * @param irq an expanded io virtual irq number |
| 288 | */ |
| 289 | static void expio_ack_irq(uint32_t irq) |
| 290 | { |
| 291 | uint32_t expio = MXC_IRQ_TO_EXPIO(irq); |
| 292 | |
| 293 | /* clear the interrupt status */ |
| 294 | __raw_writew(1 << expio, CPLD_INT_RESET_REG); |
| 295 | __raw_writew(0, CPLD_INT_RESET_REG); |
| 296 | /* mask the interrupt */ |
| 297 | expio_mask_irq(irq); |
| 298 | } |
| 299 | |
| 300 | /* |
| 301 | * Enable a expio pin's interrupt by clearing the bit in the imr. |
| 302 | * @param irq a expio virtual irq number |
| 303 | */ |
| 304 | static void expio_unmask_irq(uint32_t irq) |
| 305 | { |
| 306 | uint16_t reg; |
| 307 | uint32_t expio = MXC_IRQ_TO_EXPIO(irq); |
| 308 | |
| 309 | /* unmask the interrupt */ |
| 310 | reg = __raw_readw(CPLD_INT_MASK_REG); |
| 311 | reg &= ~(1 << expio); |
| 312 | __raw_writew(reg, CPLD_INT_MASK_REG); |
| 313 | } |
| 314 | |
| 315 | static struct irq_chip expio_irq_chip = { |
| 316 | .ack = expio_ack_irq, |
| 317 | .mask = expio_mask_irq, |
| 318 | .unmask = expio_unmask_irq, |
| 319 | }; |
| 320 | |
Alberto Panizzo | 11a332a | 2010-03-23 19:46:57 +0100 | [diff] [blame] | 321 | static int __init mx31_3ds_init_expio(void) |
Magnus Lilja | 135cad3 | 2009-05-17 20:18:08 +0200 | [diff] [blame] | 322 | { |
| 323 | int i; |
| 324 | int ret; |
| 325 | |
| 326 | /* Check if there's a debug board connected */ |
| 327 | if ((__raw_readw(CPLD_MAGIC_NUMBER1_REG) != 0xAAAA) || |
| 328 | (__raw_readw(CPLD_MAGIC_NUMBER2_REG) != 0x5555) || |
| 329 | (__raw_readw(CPLD_MAGIC_NUMBER3_REG) != 0xCAFE)) { |
| 330 | /* No Debug board found */ |
| 331 | return -ENODEV; |
| 332 | } |
| 333 | |
Alberto Panizzo | 11a332a | 2010-03-23 19:46:57 +0100 | [diff] [blame] | 334 | pr_info("i.MX31 3DS Debug board detected, rev = 0x%04X\n", |
Magnus Lilja | 135cad3 | 2009-05-17 20:18:08 +0200 | [diff] [blame] | 335 | __raw_readw(CPLD_CODE_VER_REG)); |
| 336 | |
| 337 | /* |
| 338 | * Configure INT line as GPIO input |
| 339 | */ |
| 340 | ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_1), "sms9217-irq"); |
| 341 | if (ret) |
| 342 | pr_warning("could not get LAN irq gpio\n"); |
| 343 | else |
| 344 | gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_1)); |
| 345 | |
| 346 | /* Disable the interrupts and clear the status */ |
| 347 | __raw_writew(0, CPLD_INT_MASK_REG); |
| 348 | __raw_writew(0xFFFF, CPLD_INT_RESET_REG); |
| 349 | __raw_writew(0, CPLD_INT_RESET_REG); |
| 350 | __raw_writew(0x1F, CPLD_INT_MASK_REG); |
| 351 | for (i = MXC_EXP_IO_BASE; |
| 352 | i < (MXC_EXP_IO_BASE + MXC_MAX_EXP_IO_LINES); |
| 353 | i++) { |
| 354 | set_irq_chip(i, &expio_irq_chip); |
| 355 | set_irq_handler(i, handle_level_irq); |
| 356 | set_irq_flags(i, IRQF_VALID); |
| 357 | } |
| 358 | set_irq_type(EXPIO_PARENT_INT, IRQ_TYPE_LEVEL_LOW); |
Alberto Panizzo | 11a332a | 2010-03-23 19:46:57 +0100 | [diff] [blame] | 359 | set_irq_chained_handler(EXPIO_PARENT_INT, mx31_3ds_expio_irq_handler); |
Magnus Lilja | 135cad3 | 2009-05-17 20:18:08 +0200 | [diff] [blame] | 360 | |
| 361 | return 0; |
| 362 | } |
| 363 | |
| 364 | /* |
| 365 | * This structure defines the MX31 memory map. |
| 366 | */ |
Alberto Panizzo | 11a332a | 2010-03-23 19:46:57 +0100 | [diff] [blame] | 367 | static struct map_desc mx31_3ds_io_desc[] __initdata = { |
Magnus Lilja | 135cad3 | 2009-05-17 20:18:08 +0200 | [diff] [blame] | 368 | { |
Uwe Kleine-König | f568dd7 | 2009-12-09 11:57:21 +0100 | [diff] [blame] | 369 | .virtual = MX31_CS5_BASE_ADDR_VIRT, |
| 370 | .pfn = __phys_to_pfn(MX31_CS5_BASE_ADDR), |
| 371 | .length = MX31_CS5_SIZE, |
Magnus Lilja | 135cad3 | 2009-05-17 20:18:08 +0200 | [diff] [blame] | 372 | .type = MT_DEVICE, |
| 373 | }, |
| 374 | }; |
| 375 | |
| 376 | /* |
| 377 | * Set up static virtual mappings. |
| 378 | */ |
Alberto Panizzo | 11a332a | 2010-03-23 19:46:57 +0100 | [diff] [blame] | 379 | static void __init mx31_3ds_map_io(void) |
Magnus Lilja | 135cad3 | 2009-05-17 20:18:08 +0200 | [diff] [blame] | 380 | { |
| 381 | mx31_map_io(); |
Alberto Panizzo | 11a332a | 2010-03-23 19:46:57 +0100 | [diff] [blame] | 382 | iotable_init(mx31_3ds_io_desc, ARRAY_SIZE(mx31_3ds_io_desc)); |
Magnus Lilja | 135cad3 | 2009-05-17 20:18:08 +0200 | [diff] [blame] | 383 | } |
| 384 | |
Fabio Estevam | 1553a1e | 2008-11-12 15:38:39 +0100 | [diff] [blame] | 385 | /*! |
Fabio Estevam | 1553a1e | 2008-11-12 15:38:39 +0100 | [diff] [blame] | 386 | * Board specific initialization. |
| 387 | */ |
| 388 | static void __init mxc_board_init(void) |
| 389 | { |
Alberto Panizzo | 11a332a | 2010-03-23 19:46:57 +0100 | [diff] [blame] | 390 | mxc_iomux_setup_multiple_pins(mx31_3ds_pins, ARRAY_SIZE(mx31_3ds_pins), |
| 391 | "mx31_3ds"); |
Magnus Lilja | 153fa1d | 2009-05-16 12:43:10 +0200 | [diff] [blame] | 392 | |
| 393 | mxc_register_device(&mxc_uart_device0, &uart_pdata); |
Alberto Panizzo | a1b67b9 | 2010-03-23 19:49:35 +0100 | [diff] [blame] | 394 | mxc_register_device(&mxc_nand_device, &imx31_3ds_nand_flash_pdata); |
Alberto Panizzo | ae7a3f1 | 2010-03-23 19:51:45 +0100 | [diff] [blame] | 395 | |
Alberto Panizzo | a1ac442 | 2010-03-23 19:50:28 +0100 | [diff] [blame] | 396 | mxc_register_device(&mxc_spi_device1, &spi1_pdata); |
Alberto Panizzo | ae7a3f1 | 2010-03-23 19:51:45 +0100 | [diff] [blame] | 397 | spi_register_board_info(mx31_3ds_spi_devs, |
| 398 | ARRAY_SIZE(mx31_3ds_spi_devs)); |
Magnus Lilja | 135cad3 | 2009-05-17 20:18:08 +0200 | [diff] [blame] | 399 | |
Alberto Panizzo | 54c1f63 | 2010-05-19 11:34:43 +0200 | [diff] [blame] | 400 | mxc_register_device(&imx_kpp_device, &mx31_3ds_keymap_data); |
| 401 | |
Magnus Lilja | a2ef456 | 2010-05-14 17:08:29 +0200 | [diff] [blame] | 402 | mx31_3ds_usbotg_init(); |
| 403 | mxc_register_device(&mxc_otg_udc_device, &usbotg_pdata); |
| 404 | |
Alberto Panizzo | 11a332a | 2010-03-23 19:46:57 +0100 | [diff] [blame] | 405 | if (!mx31_3ds_init_expio()) |
Magnus Lilja | 2b0c367 | 2009-05-18 18:46:33 +0200 | [diff] [blame] | 406 | platform_device_register(&smsc911x_device); |
Fabio Estevam | 1553a1e | 2008-11-12 15:38:39 +0100 | [diff] [blame] | 407 | } |
| 408 | |
Alberto Panizzo | 11a332a | 2010-03-23 19:46:57 +0100 | [diff] [blame] | 409 | static void __init mx31_3ds_timer_init(void) |
Fabio Estevam | 1553a1e | 2008-11-12 15:38:39 +0100 | [diff] [blame] | 410 | { |
Sascha Hauer | 30c730f | 2009-02-16 14:36:49 +0100 | [diff] [blame] | 411 | mx31_clocks_init(26000000); |
Fabio Estevam | 1553a1e | 2008-11-12 15:38:39 +0100 | [diff] [blame] | 412 | } |
| 413 | |
Alberto Panizzo | 11a332a | 2010-03-23 19:46:57 +0100 | [diff] [blame] | 414 | static struct sys_timer mx31_3ds_timer = { |
| 415 | .init = mx31_3ds_timer_init, |
Fabio Estevam | 1553a1e | 2008-11-12 15:38:39 +0100 | [diff] [blame] | 416 | }; |
| 417 | |
| 418 | /* |
| 419 | * The following uses standard kernel macros defined in arch.h in order to |
Alberto Panizzo | 11a332a | 2010-03-23 19:46:57 +0100 | [diff] [blame] | 420 | * initialize __mach_desc_MX31_3DS data structure. |
Fabio Estevam | 1553a1e | 2008-11-12 15:38:39 +0100 | [diff] [blame] | 421 | */ |
| 422 | MACHINE_START(MX31_3DS, "Freescale MX31PDK (3DS)") |
| 423 | /* Maintainer: Freescale Semiconductor, Inc. */ |
Uwe Kleine-König | f568dd7 | 2009-12-09 11:57:21 +0100 | [diff] [blame] | 424 | .phys_io = MX31_AIPS1_BASE_ADDR, |
Uwe Kleine-König | 321ed16 | 2009-12-10 10:41:26 +0100 | [diff] [blame] | 425 | .io_pg_offst = (MX31_AIPS1_BASE_ADDR_VIRT >> 18) & 0xfffc, |
Uwe Kleine-König | 3410123 | 2010-01-29 17:36:05 +0100 | [diff] [blame] | 426 | .boot_params = MX3x_PHYS_OFFSET + 0x100, |
Alberto Panizzo | 11a332a | 2010-03-23 19:46:57 +0100 | [diff] [blame] | 427 | .map_io = mx31_3ds_map_io, |
Sascha Hauer | c5aa0ad | 2009-05-25 17:36:19 +0200 | [diff] [blame] | 428 | .init_irq = mx31_init_irq, |
Fabio Estevam | 1553a1e | 2008-11-12 15:38:39 +0100 | [diff] [blame] | 429 | .init_machine = mxc_board_init, |
Alberto Panizzo | 11a332a | 2010-03-23 19:46:57 +0100 | [diff] [blame] | 430 | .timer = &mx31_3ds_timer, |
Fabio Estevam | 1553a1e | 2008-11-12 15:38:39 +0100 | [diff] [blame] | 431 | MACHINE_END |