Sandeep Paulraj | 37dd009 | 2009-06-09 16:28:15 -0400 | [diff] [blame] | 1 | /* |
| 2 | * TI DaVinci DM365 EVM board support |
| 3 | * |
| 4 | * Copyright (C) 2009 Texas Instruments Incorporated |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License as |
| 8 | * published by the Free Software Foundation version 2. |
| 9 | * |
| 10 | * This program is distributed "as is" WITHOUT ANY WARRANTY of any |
| 11 | * kind, whether express or implied; without even the implied warranty |
| 12 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | */ |
| 15 | #include <linux/kernel.h> |
Sandeep Paulraj | 37dd009 | 2009-06-09 16:28:15 -0400 | [diff] [blame] | 16 | #include <linux/init.h> |
Sergei Shtylyov | 42d399e | 2009-10-02 22:05:29 +0400 | [diff] [blame] | 17 | #include <linux/err.h> |
Sandeep Paulraj | 37dd009 | 2009-06-09 16:28:15 -0400 | [diff] [blame] | 18 | #include <linux/i2c.h> |
| 19 | #include <linux/io.h> |
| 20 | #include <linux/clk.h> |
Sandeep Paulraj | 8ed0a9d | 2009-06-20 12:23:39 -0400 | [diff] [blame] | 21 | #include <linux/i2c/at24.h> |
David Brownell | ff255c6 | 2009-06-21 14:50:12 -0700 | [diff] [blame] | 22 | #include <linux/leds.h> |
Sandeep Paulraj | 37b798d | 2009-06-20 14:15:51 -0400 | [diff] [blame] | 23 | #include <linux/mtd/mtd.h> |
| 24 | #include <linux/mtd/partitions.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 25 | #include <linux/slab.h> |
Sandeep Paulraj | 37b798d | 2009-06-20 14:15:51 -0400 | [diff] [blame] | 26 | #include <linux/mtd/nand.h> |
Miguel Aguilar | 990c09d | 2009-10-13 13:57:07 -0600 | [diff] [blame] | 27 | #include <linux/input.h> |
Sandeep Paulraj | 5f19daa | 2010-02-01 09:51:45 -0500 | [diff] [blame] | 28 | #include <linux/spi/spi.h> |
| 29 | #include <linux/spi/eeprom.h> |
Sergei Shtylyov | 42d399e | 2009-10-02 22:05:29 +0400 | [diff] [blame] | 30 | |
Sandeep Paulraj | 37dd009 | 2009-06-09 16:28:15 -0400 | [diff] [blame] | 31 | #include <asm/mach-types.h> |
| 32 | #include <asm/mach/arch.h> |
Sergei Shtylyov | 42d399e | 2009-10-02 22:05:29 +0400 | [diff] [blame] | 33 | |
Sandeep Paulraj | 8ed0a9d | 2009-06-20 12:23:39 -0400 | [diff] [blame] | 34 | #include <mach/mux.h> |
Sandeep Paulraj | 37dd009 | 2009-06-09 16:28:15 -0400 | [diff] [blame] | 35 | #include <mach/dm365.h> |
Sandeep Paulraj | 37dd009 | 2009-06-09 16:28:15 -0400 | [diff] [blame] | 36 | #include <mach/common.h> |
| 37 | #include <mach/i2c.h> |
Sandeep Paulraj | 37dd009 | 2009-06-09 16:28:15 -0400 | [diff] [blame] | 38 | #include <mach/serial.h> |
Sandeep Paulraj | a45c8ba | 2009-06-20 14:00:52 -0400 | [diff] [blame] | 39 | #include <mach/mmc.h> |
Sandeep Paulraj | 37b798d | 2009-06-20 14:15:51 -0400 | [diff] [blame] | 40 | #include <mach/nand.h> |
Miguel Aguilar | 990c09d | 2009-10-13 13:57:07 -0600 | [diff] [blame] | 41 | #include <mach/keyscan.h> |
Sandeep Paulraj | 37b798d | 2009-06-20 14:15:51 -0400 | [diff] [blame] | 42 | |
Murali Karicheri | f2a4c59 | 2010-02-01 17:38:53 -0500 | [diff] [blame] | 43 | #include <media/tvp514x.h> |
| 44 | |
David Brownell | ff255c6 | 2009-06-21 14:50:12 -0700 | [diff] [blame] | 45 | static inline int have_imager(void) |
| 46 | { |
| 47 | /* REVISIT when it's supported, trigger via Kconfig */ |
| 48 | return 0; |
| 49 | } |
| 50 | |
| 51 | static inline int have_tvp7002(void) |
| 52 | { |
| 53 | /* REVISIT when it's supported, trigger via Kconfig */ |
| 54 | return 0; |
| 55 | } |
| 56 | |
Cyril Chemparathy | 782f2d7 | 2010-09-15 10:11:25 -0400 | [diff] [blame] | 57 | #define DM365_EVM_PHY_ID "0:01" |
David Brownell | ff255c6 | 2009-06-21 14:50:12 -0700 | [diff] [blame] | 58 | /* |
| 59 | * A MAX-II CPLD is used for various board control functions. |
| 60 | */ |
| 61 | #define CPLD_OFFSET(a13a8,a2a1) (((a13a8) << 10) + ((a2a1) << 3)) |
| 62 | |
| 63 | #define CPLD_VERSION CPLD_OFFSET(0,0) /* r/o */ |
| 64 | #define CPLD_TEST CPLD_OFFSET(0,1) |
| 65 | #define CPLD_LEDS CPLD_OFFSET(0,2) |
| 66 | #define CPLD_MUX CPLD_OFFSET(0,3) |
| 67 | #define CPLD_SWITCH CPLD_OFFSET(1,0) /* r/o */ |
| 68 | #define CPLD_POWER CPLD_OFFSET(1,1) |
| 69 | #define CPLD_VIDEO CPLD_OFFSET(1,2) |
| 70 | #define CPLD_CARDSTAT CPLD_OFFSET(1,3) /* r/o */ |
| 71 | |
| 72 | #define CPLD_DILC_OUT CPLD_OFFSET(2,0) |
| 73 | #define CPLD_DILC_IN CPLD_OFFSET(2,1) /* r/o */ |
| 74 | |
| 75 | #define CPLD_IMG_DIR0 CPLD_OFFSET(2,2) |
| 76 | #define CPLD_IMG_MUX0 CPLD_OFFSET(2,3) |
| 77 | #define CPLD_IMG_MUX1 CPLD_OFFSET(3,0) |
| 78 | #define CPLD_IMG_DIR1 CPLD_OFFSET(3,1) |
| 79 | #define CPLD_IMG_MUX2 CPLD_OFFSET(3,2) |
| 80 | #define CPLD_IMG_MUX3 CPLD_OFFSET(3,3) |
| 81 | #define CPLD_IMG_DIR2 CPLD_OFFSET(4,0) |
| 82 | #define CPLD_IMG_MUX4 CPLD_OFFSET(4,1) |
| 83 | #define CPLD_IMG_MUX5 CPLD_OFFSET(4,2) |
| 84 | |
| 85 | #define CPLD_RESETS CPLD_OFFSET(4,3) |
| 86 | |
| 87 | #define CPLD_CCD_DIR1 CPLD_OFFSET(0x3e,0) |
| 88 | #define CPLD_CCD_IO1 CPLD_OFFSET(0x3e,1) |
| 89 | #define CPLD_CCD_DIR2 CPLD_OFFSET(0x3e,2) |
| 90 | #define CPLD_CCD_IO2 CPLD_OFFSET(0x3e,3) |
| 91 | #define CPLD_CCD_DIR3 CPLD_OFFSET(0x3f,0) |
| 92 | #define CPLD_CCD_IO3 CPLD_OFFSET(0x3f,1) |
| 93 | |
| 94 | static void __iomem *cpld; |
| 95 | |
| 96 | |
Sandeep Paulraj | 37b798d | 2009-06-20 14:15:51 -0400 | [diff] [blame] | 97 | /* NOTE: this is geared for the standard config, with a socketed |
| 98 | * 2 GByte Micron NAND (MT29F16G08FAA) using 128KB sectors. If you |
| 99 | * swap chips with a different block size, partitioning will |
| 100 | * need to be changed. This NAND chip MT29F16G08FAA is the default |
| 101 | * NAND shipped with the Spectrum Digital DM365 EVM |
| 102 | */ |
| 103 | #define NAND_BLOCK_SIZE SZ_128K |
| 104 | |
| 105 | static struct mtd_partition davinci_nand_partitions[] = { |
| 106 | { |
| 107 | /* UBL (a few copies) plus U-Boot */ |
| 108 | .name = "bootloader", |
| 109 | .offset = 0, |
| 110 | .size = 28 * NAND_BLOCK_SIZE, |
| 111 | .mask_flags = MTD_WRITEABLE, /* force read-only */ |
| 112 | }, { |
| 113 | /* U-Boot environment */ |
| 114 | .name = "params", |
| 115 | .offset = MTDPART_OFS_APPEND, |
| 116 | .size = 2 * NAND_BLOCK_SIZE, |
| 117 | .mask_flags = 0, |
| 118 | }, { |
| 119 | .name = "kernel", |
| 120 | .offset = MTDPART_OFS_APPEND, |
| 121 | .size = SZ_4M, |
| 122 | .mask_flags = 0, |
| 123 | }, { |
| 124 | .name = "filesystem1", |
| 125 | .offset = MTDPART_OFS_APPEND, |
| 126 | .size = SZ_512M, |
| 127 | .mask_flags = 0, |
| 128 | }, { |
| 129 | .name = "filesystem2", |
| 130 | .offset = MTDPART_OFS_APPEND, |
| 131 | .size = MTDPART_SIZ_FULL, |
| 132 | .mask_flags = 0, |
| 133 | } |
| 134 | /* two blocks with bad block table (and mirror) at the end */ |
| 135 | }; |
| 136 | |
| 137 | static struct davinci_nand_pdata davinci_nand_data = { |
| 138 | .mask_chipsel = BIT(14), |
| 139 | .parts = davinci_nand_partitions, |
| 140 | .nr_parts = ARRAY_SIZE(davinci_nand_partitions), |
| 141 | .ecc_mode = NAND_ECC_HW, |
| 142 | .options = NAND_USE_FLASH_BBT, |
Sneha Narnakaje | dc4c05a | 2009-09-16 23:00:13 -0400 | [diff] [blame] | 143 | .ecc_bits = 4, |
Sandeep Paulraj | 37b798d | 2009-06-20 14:15:51 -0400 | [diff] [blame] | 144 | }; |
| 145 | |
| 146 | static struct resource davinci_nand_resources[] = { |
| 147 | { |
| 148 | .start = DM365_ASYNC_EMIF_DATA_CE0_BASE, |
| 149 | .end = DM365_ASYNC_EMIF_DATA_CE0_BASE + SZ_32M - 1, |
| 150 | .flags = IORESOURCE_MEM, |
| 151 | }, { |
| 152 | .start = DM365_ASYNC_EMIF_CONTROL_BASE, |
| 153 | .end = DM365_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1, |
| 154 | .flags = IORESOURCE_MEM, |
| 155 | }, |
| 156 | }; |
| 157 | |
| 158 | static struct platform_device davinci_nand_device = { |
| 159 | .name = "davinci_nand", |
| 160 | .id = 0, |
| 161 | .num_resources = ARRAY_SIZE(davinci_nand_resources), |
| 162 | .resource = davinci_nand_resources, |
| 163 | .dev = { |
| 164 | .platform_data = &davinci_nand_data, |
| 165 | }, |
| 166 | }; |
| 167 | |
Sandeep Paulraj | 8ed0a9d | 2009-06-20 12:23:39 -0400 | [diff] [blame] | 168 | static struct at24_platform_data eeprom_info = { |
| 169 | .byte_len = (256*1024) / 8, |
| 170 | .page_size = 64, |
| 171 | .flags = AT24_FLAG_ADDR16, |
| 172 | .setup = davinci_get_mac_addr, |
| 173 | .context = (void *)0x7f00, |
| 174 | }; |
| 175 | |
Sekhar Nori | 13d36a9 | 2010-08-27 14:14:03 +0530 | [diff] [blame] | 176 | static struct snd_platform_data dm365_evm_snd_data = { |
| 177 | .asp_chan_q = EVENTQ_3, |
| 178 | }; |
Miguel Aguilar | e9ab321 | 2009-09-02 15:33:29 -0600 | [diff] [blame] | 179 | |
Sandeep Paulraj | 8ed0a9d | 2009-06-20 12:23:39 -0400 | [diff] [blame] | 180 | static struct i2c_board_info i2c_info[] = { |
| 181 | { |
| 182 | I2C_BOARD_INFO("24c256", 0x50), |
| 183 | .platform_data = &eeprom_info, |
| 184 | }, |
Miguel Aguilar | e9ab321 | 2009-09-02 15:33:29 -0600 | [diff] [blame] | 185 | { |
| 186 | I2C_BOARD_INFO("tlv320aic3x", 0x18), |
| 187 | }, |
Sandeep Paulraj | 8ed0a9d | 2009-06-20 12:23:39 -0400 | [diff] [blame] | 188 | }; |
| 189 | |
Sandeep Paulraj | 37dd009 | 2009-06-09 16:28:15 -0400 | [diff] [blame] | 190 | static struct davinci_i2c_platform_data i2c_pdata = { |
| 191 | .bus_freq = 400 /* kHz */, |
| 192 | .bus_delay = 0 /* usec */, |
| 193 | }; |
| 194 | |
Miguel Aguilar | c92b29e | 2009-11-13 13:44:23 -0600 | [diff] [blame] | 195 | static int dm365evm_keyscan_enable(struct device *dev) |
| 196 | { |
| 197 | return davinci_cfg_reg(DM365_KEYSCAN); |
| 198 | } |
| 199 | |
Miguel Aguilar | 990c09d | 2009-10-13 13:57:07 -0600 | [diff] [blame] | 200 | static unsigned short dm365evm_keymap[] = { |
| 201 | KEY_KP2, |
| 202 | KEY_LEFT, |
| 203 | KEY_EXIT, |
| 204 | KEY_DOWN, |
| 205 | KEY_ENTER, |
| 206 | KEY_UP, |
| 207 | KEY_KP1, |
| 208 | KEY_RIGHT, |
| 209 | KEY_MENU, |
| 210 | KEY_RECORD, |
| 211 | KEY_REWIND, |
| 212 | KEY_KPMINUS, |
| 213 | KEY_STOP, |
| 214 | KEY_FASTFORWARD, |
| 215 | KEY_KPPLUS, |
| 216 | KEY_PLAYPAUSE, |
| 217 | 0 |
| 218 | }; |
| 219 | |
| 220 | static struct davinci_ks_platform_data dm365evm_ks_data = { |
Miguel Aguilar | c92b29e | 2009-11-13 13:44:23 -0600 | [diff] [blame] | 221 | .device_enable = dm365evm_keyscan_enable, |
Miguel Aguilar | 990c09d | 2009-10-13 13:57:07 -0600 | [diff] [blame] | 222 | .keymap = dm365evm_keymap, |
| 223 | .keymapsize = ARRAY_SIZE(dm365evm_keymap), |
| 224 | .rep = 1, |
| 225 | /* Scan period = strobe + interval */ |
| 226 | .strobe = 0x5, |
| 227 | .interval = 0x2, |
| 228 | .matrix_type = DAVINCI_KEYSCAN_MATRIX_4X4, |
| 229 | }; |
Miguel Aguilar | 990c09d | 2009-10-13 13:57:07 -0600 | [diff] [blame] | 230 | |
David Brownell | ff255c6 | 2009-06-21 14:50:12 -0700 | [diff] [blame] | 231 | static int cpld_mmc_get_cd(int module) |
| 232 | { |
| 233 | if (!cpld) |
| 234 | return -ENXIO; |
| 235 | |
| 236 | /* low == card present */ |
| 237 | return !(__raw_readb(cpld + CPLD_CARDSTAT) & BIT(module ? 4 : 0)); |
| 238 | } |
| 239 | |
| 240 | static int cpld_mmc_get_ro(int module) |
| 241 | { |
| 242 | if (!cpld) |
| 243 | return -ENXIO; |
| 244 | |
| 245 | /* high == card's write protect switch active */ |
| 246 | return !!(__raw_readb(cpld + CPLD_CARDSTAT) & BIT(module ? 5 : 1)); |
| 247 | } |
| 248 | |
Sandeep Paulraj | a45c8ba | 2009-06-20 14:00:52 -0400 | [diff] [blame] | 249 | static struct davinci_mmc_config dm365evm_mmc_config = { |
David Brownell | ff255c6 | 2009-06-21 14:50:12 -0700 | [diff] [blame] | 250 | .get_cd = cpld_mmc_get_cd, |
| 251 | .get_ro = cpld_mmc_get_ro, |
Sandeep Paulraj | a45c8ba | 2009-06-20 14:00:52 -0400 | [diff] [blame] | 252 | .wires = 4, |
| 253 | .max_freq = 50000000, |
| 254 | .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED, |
| 255 | .version = MMC_CTLR_VERSION_2, |
| 256 | }; |
| 257 | |
Sandeep Paulraj | 8ed0a9d | 2009-06-20 12:23:39 -0400 | [diff] [blame] | 258 | static void dm365evm_emac_configure(void) |
| 259 | { |
| 260 | /* |
| 261 | * EMAC pins are multiplexed with GPIO and UART |
| 262 | * Further details are available at the DM365 ARM |
| 263 | * Subsystem Users Guide(sprufg5.pdf) pages 125 - 127 |
| 264 | */ |
| 265 | davinci_cfg_reg(DM365_EMAC_TX_EN); |
| 266 | davinci_cfg_reg(DM365_EMAC_TX_CLK); |
| 267 | davinci_cfg_reg(DM365_EMAC_COL); |
| 268 | davinci_cfg_reg(DM365_EMAC_TXD3); |
| 269 | davinci_cfg_reg(DM365_EMAC_TXD2); |
| 270 | davinci_cfg_reg(DM365_EMAC_TXD1); |
| 271 | davinci_cfg_reg(DM365_EMAC_TXD0); |
| 272 | davinci_cfg_reg(DM365_EMAC_RXD3); |
| 273 | davinci_cfg_reg(DM365_EMAC_RXD2); |
| 274 | davinci_cfg_reg(DM365_EMAC_RXD1); |
| 275 | davinci_cfg_reg(DM365_EMAC_RXD0); |
| 276 | davinci_cfg_reg(DM365_EMAC_RX_CLK); |
| 277 | davinci_cfg_reg(DM365_EMAC_RX_DV); |
| 278 | davinci_cfg_reg(DM365_EMAC_RX_ER); |
| 279 | davinci_cfg_reg(DM365_EMAC_CRS); |
| 280 | davinci_cfg_reg(DM365_EMAC_MDIO); |
| 281 | davinci_cfg_reg(DM365_EMAC_MDCLK); |
| 282 | |
| 283 | /* |
| 284 | * EMAC interrupts are multiplexed with GPIO interrupts |
| 285 | * Details are available at the DM365 ARM |
| 286 | * Subsystem Users Guide(sprufg5.pdf) pages 133 - 134 |
| 287 | */ |
| 288 | davinci_cfg_reg(DM365_INT_EMAC_RXTHRESH); |
| 289 | davinci_cfg_reg(DM365_INT_EMAC_RXPULSE); |
| 290 | davinci_cfg_reg(DM365_INT_EMAC_TXPULSE); |
| 291 | davinci_cfg_reg(DM365_INT_EMAC_MISCPULSE); |
| 292 | } |
| 293 | |
Sandeep Paulraj | a45c8ba | 2009-06-20 14:00:52 -0400 | [diff] [blame] | 294 | static void dm365evm_mmc_configure(void) |
| 295 | { |
| 296 | /* |
| 297 | * MMC/SD pins are multiplexed with GPIO and EMIF |
| 298 | * Further details are available at the DM365 ARM |
| 299 | * Subsystem Users Guide(sprufg5.pdf) pages 118, 128 - 131 |
| 300 | */ |
| 301 | davinci_cfg_reg(DM365_SD1_CLK); |
| 302 | davinci_cfg_reg(DM365_SD1_CMD); |
| 303 | davinci_cfg_reg(DM365_SD1_DATA3); |
| 304 | davinci_cfg_reg(DM365_SD1_DATA2); |
| 305 | davinci_cfg_reg(DM365_SD1_DATA1); |
| 306 | davinci_cfg_reg(DM365_SD1_DATA0); |
| 307 | } |
| 308 | |
Murali Karicheri | f2a4c59 | 2010-02-01 17:38:53 -0500 | [diff] [blame] | 309 | static struct tvp514x_platform_data tvp5146_pdata = { |
| 310 | .clk_polarity = 0, |
| 311 | .hs_polarity = 1, |
| 312 | .vs_polarity = 1 |
| 313 | }; |
| 314 | |
| 315 | #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL) |
| 316 | /* Inputs available at the TVP5146 */ |
| 317 | static struct v4l2_input tvp5146_inputs[] = { |
| 318 | { |
| 319 | .index = 0, |
| 320 | .name = "Composite", |
| 321 | .type = V4L2_INPUT_TYPE_CAMERA, |
| 322 | .std = TVP514X_STD_ALL, |
| 323 | }, |
| 324 | { |
| 325 | .index = 1, |
| 326 | .name = "S-Video", |
| 327 | .type = V4L2_INPUT_TYPE_CAMERA, |
| 328 | .std = TVP514X_STD_ALL, |
| 329 | }, |
| 330 | }; |
| 331 | |
| 332 | /* |
| 333 | * this is the route info for connecting each input to decoder |
| 334 | * ouput that goes to vpfe. There is a one to one correspondence |
| 335 | * with tvp5146_inputs |
| 336 | */ |
| 337 | static struct vpfe_route tvp5146_routes[] = { |
| 338 | { |
| 339 | .input = INPUT_CVBS_VI2B, |
| 340 | .output = OUTPUT_10BIT_422_EMBEDDED_SYNC, |
| 341 | }, |
| 342 | { |
| 343 | .input = INPUT_SVIDEO_VI2C_VI1C, |
| 344 | .output = OUTPUT_10BIT_422_EMBEDDED_SYNC, |
| 345 | }, |
| 346 | }; |
| 347 | |
| 348 | static struct vpfe_subdev_info vpfe_sub_devs[] = { |
| 349 | { |
| 350 | .name = "tvp5146", |
| 351 | .grp_id = 0, |
| 352 | .num_inputs = ARRAY_SIZE(tvp5146_inputs), |
| 353 | .inputs = tvp5146_inputs, |
| 354 | .routes = tvp5146_routes, |
| 355 | .can_route = 1, |
| 356 | .ccdc_if_params = { |
| 357 | .if_type = VPFE_BT656, |
| 358 | .hdpol = VPFE_PINPOL_POSITIVE, |
| 359 | .vdpol = VPFE_PINPOL_POSITIVE, |
| 360 | }, |
| 361 | .board_info = { |
| 362 | I2C_BOARD_INFO("tvp5146", 0x5d), |
| 363 | .platform_data = &tvp5146_pdata, |
| 364 | }, |
| 365 | }, |
| 366 | }; |
| 367 | |
| 368 | static struct vpfe_config vpfe_cfg = { |
| 369 | .num_subdevs = ARRAY_SIZE(vpfe_sub_devs), |
| 370 | .sub_devs = vpfe_sub_devs, |
| 371 | .i2c_adapter_id = 1, |
| 372 | .card_name = "DM365 EVM", |
| 373 | .ccdc = "ISIF", |
| 374 | }; |
| 375 | |
Sandeep Paulraj | 37dd009 | 2009-06-09 16:28:15 -0400 | [diff] [blame] | 376 | static void __init evm_init_i2c(void) |
| 377 | { |
| 378 | davinci_init_i2c(&i2c_pdata); |
Sandeep Paulraj | 8ed0a9d | 2009-06-20 12:23:39 -0400 | [diff] [blame] | 379 | i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info)); |
Sandeep Paulraj | 37dd009 | 2009-06-09 16:28:15 -0400 | [diff] [blame] | 380 | } |
| 381 | |
David Brownell | ff255c6 | 2009-06-21 14:50:12 -0700 | [diff] [blame] | 382 | static struct platform_device *dm365_evm_nand_devices[] __initdata = { |
Sandeep Paulraj | 37b798d | 2009-06-20 14:15:51 -0400 | [diff] [blame] | 383 | &davinci_nand_device, |
| 384 | }; |
| 385 | |
David Brownell | ff255c6 | 2009-06-21 14:50:12 -0700 | [diff] [blame] | 386 | static inline int have_leds(void) |
| 387 | { |
| 388 | #ifdef CONFIG_LEDS_CLASS |
| 389 | return 1; |
| 390 | #else |
| 391 | return 0; |
| 392 | #endif |
| 393 | } |
| 394 | |
| 395 | struct cpld_led { |
| 396 | struct led_classdev cdev; |
| 397 | u8 mask; |
| 398 | }; |
| 399 | |
| 400 | static const struct { |
| 401 | const char *name; |
| 402 | const char *trigger; |
| 403 | } cpld_leds[] = { |
| 404 | { "dm365evm::ds2", }, |
| 405 | { "dm365evm::ds3", }, |
| 406 | { "dm365evm::ds4", }, |
| 407 | { "dm365evm::ds5", }, |
| 408 | { "dm365evm::ds6", "nand-disk", }, |
| 409 | { "dm365evm::ds7", "mmc1", }, |
| 410 | { "dm365evm::ds8", "mmc0", }, |
| 411 | { "dm365evm::ds9", "heartbeat", }, |
| 412 | }; |
| 413 | |
| 414 | static void cpld_led_set(struct led_classdev *cdev, enum led_brightness b) |
| 415 | { |
| 416 | struct cpld_led *led = container_of(cdev, struct cpld_led, cdev); |
| 417 | u8 reg = __raw_readb(cpld + CPLD_LEDS); |
| 418 | |
| 419 | if (b != LED_OFF) |
| 420 | reg &= ~led->mask; |
| 421 | else |
| 422 | reg |= led->mask; |
| 423 | __raw_writeb(reg, cpld + CPLD_LEDS); |
| 424 | } |
| 425 | |
| 426 | static enum led_brightness cpld_led_get(struct led_classdev *cdev) |
| 427 | { |
| 428 | struct cpld_led *led = container_of(cdev, struct cpld_led, cdev); |
| 429 | u8 reg = __raw_readb(cpld + CPLD_LEDS); |
| 430 | |
| 431 | return (reg & led->mask) ? LED_OFF : LED_FULL; |
| 432 | } |
| 433 | |
| 434 | static int __init cpld_leds_init(void) |
| 435 | { |
| 436 | int i; |
| 437 | |
| 438 | if (!have_leds() || !cpld) |
| 439 | return 0; |
| 440 | |
| 441 | /* setup LEDs */ |
| 442 | __raw_writeb(0xff, cpld + CPLD_LEDS); |
| 443 | for (i = 0; i < ARRAY_SIZE(cpld_leds); i++) { |
| 444 | struct cpld_led *led; |
| 445 | |
| 446 | led = kzalloc(sizeof(*led), GFP_KERNEL); |
| 447 | if (!led) |
| 448 | break; |
| 449 | |
| 450 | led->cdev.name = cpld_leds[i].name; |
| 451 | led->cdev.brightness_set = cpld_led_set; |
| 452 | led->cdev.brightness_get = cpld_led_get; |
| 453 | led->cdev.default_trigger = cpld_leds[i].trigger; |
| 454 | led->mask = BIT(i); |
| 455 | |
| 456 | if (led_classdev_register(NULL, &led->cdev) < 0) { |
| 457 | kfree(led); |
| 458 | break; |
| 459 | } |
| 460 | } |
| 461 | |
| 462 | return 0; |
| 463 | } |
| 464 | /* run after subsys_initcall() for LEDs */ |
| 465 | fs_initcall(cpld_leds_init); |
| 466 | |
| 467 | |
| 468 | static void __init evm_init_cpld(void) |
| 469 | { |
| 470 | u8 mux, resets; |
| 471 | const char *label; |
| 472 | struct clk *aemif_clk; |
| 473 | |
| 474 | /* Make sure we can configure the CPLD through CS1. Then |
| 475 | * leave it on for later access to MMC and LED registers. |
| 476 | */ |
| 477 | aemif_clk = clk_get(NULL, "aemif"); |
| 478 | if (IS_ERR(aemif_clk)) |
| 479 | return; |
| 480 | clk_enable(aemif_clk); |
| 481 | |
| 482 | if (request_mem_region(DM365_ASYNC_EMIF_DATA_CE1_BASE, SECTION_SIZE, |
| 483 | "cpld") == NULL) |
| 484 | goto fail; |
| 485 | cpld = ioremap(DM365_ASYNC_EMIF_DATA_CE1_BASE, SECTION_SIZE); |
| 486 | if (!cpld) { |
| 487 | release_mem_region(DM365_ASYNC_EMIF_DATA_CE1_BASE, |
| 488 | SECTION_SIZE); |
| 489 | fail: |
| 490 | pr_err("ERROR: can't map CPLD\n"); |
| 491 | clk_disable(aemif_clk); |
| 492 | return; |
| 493 | } |
| 494 | |
| 495 | /* External muxing for some signals */ |
| 496 | mux = 0; |
| 497 | |
| 498 | /* Read SW5 to set up NAND + keypad _or_ OneNAND (sync read). |
| 499 | * NOTE: SW4 bus width setting must match! |
| 500 | */ |
| 501 | if ((__raw_readb(cpld + CPLD_SWITCH) & BIT(5)) == 0) { |
| 502 | /* external keypad mux */ |
| 503 | mux |= BIT(7); |
| 504 | |
| 505 | platform_add_devices(dm365_evm_nand_devices, |
| 506 | ARRAY_SIZE(dm365_evm_nand_devices)); |
| 507 | } else { |
| 508 | /* no OneNAND support yet */ |
| 509 | } |
| 510 | |
| 511 | /* Leave external chips in reset when unused. */ |
| 512 | resets = BIT(3) | BIT(2) | BIT(1) | BIT(0); |
| 513 | |
| 514 | /* Static video input config with SN74CBT16214 1-of-3 mux: |
| 515 | * - port b1 == tvp7002 (mux lowbits == 1 or 6) |
| 516 | * - port b2 == imager (mux lowbits == 2 or 7) |
| 517 | * - port b3 == tvp5146 (mux lowbits == 5) |
| 518 | * |
| 519 | * Runtime switching could work too, with limitations. |
| 520 | */ |
| 521 | if (have_imager()) { |
| 522 | label = "HD imager"; |
| 523 | mux |= 1; |
| 524 | |
| 525 | /* externally mux MMC1/ENET/AIC33 to imager */ |
| 526 | mux |= BIT(6) | BIT(5) | BIT(3); |
| 527 | } else { |
| 528 | struct davinci_soc_info *soc_info = &davinci_soc_info; |
| 529 | |
| 530 | /* we can use MMC1 ... */ |
| 531 | dm365evm_mmc_configure(); |
| 532 | davinci_setup_mmc(1, &dm365evm_mmc_config); |
| 533 | |
| 534 | /* ... and ENET ... */ |
| 535 | dm365evm_emac_configure(); |
Cyril Chemparathy | 782f2d7 | 2010-09-15 10:11:25 -0400 | [diff] [blame] | 536 | soc_info->emac_pdata->phy_id = DM365_EVM_PHY_ID; |
David Brownell | ff255c6 | 2009-06-21 14:50:12 -0700 | [diff] [blame] | 537 | resets &= ~BIT(3); |
| 538 | |
| 539 | /* ... and AIC33 */ |
| 540 | resets &= ~BIT(1); |
| 541 | |
| 542 | if (have_tvp7002()) { |
| 543 | mux |= 2; |
| 544 | resets &= ~BIT(2); |
| 545 | label = "tvp7002 HD"; |
| 546 | } else { |
| 547 | /* default to tvp5146 */ |
| 548 | mux |= 5; |
| 549 | resets &= ~BIT(0); |
| 550 | label = "tvp5146 SD"; |
| 551 | } |
| 552 | } |
| 553 | __raw_writeb(mux, cpld + CPLD_MUX); |
| 554 | __raw_writeb(resets, cpld + CPLD_RESETS); |
| 555 | pr_info("EVM: %s video input\n", label); |
| 556 | |
| 557 | /* REVISIT export switches: NTSC/PAL (SW5.6), EXTRA1 (SW5.2), etc */ |
| 558 | } |
| 559 | |
Sandeep Paulraj | 37dd009 | 2009-06-09 16:28:15 -0400 | [diff] [blame] | 560 | static struct davinci_uart_config uart_config __initdata = { |
| 561 | .enabled_uarts = (1 << 0), |
| 562 | }; |
| 563 | |
| 564 | static void __init dm365_evm_map_io(void) |
| 565 | { |
Murali Karicheri | f2a4c59 | 2010-02-01 17:38:53 -0500 | [diff] [blame] | 566 | /* setup input configuration for VPFE input devices */ |
| 567 | dm365_set_vpfe_config(&vpfe_cfg); |
Sandeep Paulraj | 37dd009 | 2009-06-09 16:28:15 -0400 | [diff] [blame] | 568 | dm365_init(); |
| 569 | } |
| 570 | |
Sandeep Paulraj | 5f19daa | 2010-02-01 09:51:45 -0500 | [diff] [blame] | 571 | static struct spi_eeprom at25640 = { |
| 572 | .byte_len = SZ_64K / 8, |
| 573 | .name = "at25640", |
| 574 | .page_size = 32, |
| 575 | .flags = EE_ADDR2, |
| 576 | }; |
| 577 | |
| 578 | static struct spi_board_info dm365_evm_spi_info[] __initconst = { |
| 579 | { |
| 580 | .modalias = "at25", |
| 581 | .platform_data = &at25640, |
| 582 | .max_speed_hz = 10 * 1000 * 1000, |
| 583 | .bus_num = 0, |
| 584 | .chip_select = 0, |
| 585 | .mode = SPI_MODE_0, |
| 586 | }, |
| 587 | }; |
| 588 | |
Sandeep Paulraj | 37dd009 | 2009-06-09 16:28:15 -0400 | [diff] [blame] | 589 | static __init void dm365_evm_init(void) |
| 590 | { |
| 591 | evm_init_i2c(); |
| 592 | davinci_serial_init(&uart_config); |
Sandeep Paulraj | 8ed0a9d | 2009-06-20 12:23:39 -0400 | [diff] [blame] | 593 | |
| 594 | dm365evm_emac_configure(); |
Sandeep Paulraj | a45c8ba | 2009-06-20 14:00:52 -0400 | [diff] [blame] | 595 | dm365evm_mmc_configure(); |
| 596 | |
| 597 | davinci_setup_mmc(0, &dm365evm_mmc_config); |
Sandeep Paulraj | 8ed0a9d | 2009-06-20 12:23:39 -0400 | [diff] [blame] | 598 | |
David Brownell | ff255c6 | 2009-06-21 14:50:12 -0700 | [diff] [blame] | 599 | /* maybe setup mmc1/etc ... _after_ mmc0 */ |
| 600 | evm_init_cpld(); |
Miguel Aguilar | e9ab321 | 2009-09-02 15:33:29 -0600 | [diff] [blame] | 601 | |
Miguel Aguilar | aa9b88e | 2010-03-11 09:33:40 -0600 | [diff] [blame] | 602 | #ifdef CONFIG_SND_DM365_AIC3X_CODEC |
Miguel Aguilar | e9ab321 | 2009-09-02 15:33:29 -0600 | [diff] [blame] | 603 | dm365_init_asp(&dm365_evm_snd_data); |
Miguel Aguilar | aa9b88e | 2010-03-11 09:33:40 -0600 | [diff] [blame] | 604 | #elif defined(CONFIG_SND_DM365_VOICE_CODEC) |
| 605 | dm365_init_vc(&dm365_evm_snd_data); |
| 606 | #endif |
Miguel Aguilar | 99381b4 | 2009-11-05 08:52:05 -0600 | [diff] [blame] | 607 | dm365_init_rtc(); |
Miguel Aguilar | 990c09d | 2009-10-13 13:57:07 -0600 | [diff] [blame] | 608 | dm365_init_ks(&dm365evm_ks_data); |
Sandeep Paulraj | 5f19daa | 2010-02-01 09:51:45 -0500 | [diff] [blame] | 609 | |
| 610 | dm365_init_spi0(BIT(0), dm365_evm_spi_info, |
| 611 | ARRAY_SIZE(dm365_evm_spi_info)); |
Sandeep Paulraj | 37dd009 | 2009-06-09 16:28:15 -0400 | [diff] [blame] | 612 | } |
| 613 | |
Sandeep Paulraj | 37dd009 | 2009-06-09 16:28:15 -0400 | [diff] [blame] | 614 | MACHINE_START(DAVINCI_DM365_EVM, "DaVinci DM365 EVM") |
Sandeep Paulraj | 37dd009 | 2009-06-09 16:28:15 -0400 | [diff] [blame] | 615 | .boot_params = (0x80000100), |
| 616 | .map_io = dm365_evm_map_io, |
Cyril Chemparathy | bd80894 | 2010-05-07 17:06:37 -0400 | [diff] [blame] | 617 | .init_irq = davinci_irq_init, |
Sandeep Paulraj | 37dd009 | 2009-06-09 16:28:15 -0400 | [diff] [blame] | 618 | .timer = &davinci_timer, |
| 619 | .init_machine = dm365_evm_init, |
| 620 | MACHINE_END |
| 621 | |