code.vuplus.com Git - vuplus_openembedded/blob - packages/linux/linux-davinci/dm355-leopard/0001-dm355-leopard-add-board-file-based-on-board-dm355-e.patch

   1 From a04a493ead5afb10aafe2c0cf57bf9e3bf7aa844 Mon Sep 17 00:00:00 2001
   2 From: Koen Kooi <koen@openembedded.org>
   3 Date: Thu, 12 Mar 2009 14:15:42 -0300
   4 Subject: [PATCH] dm355-leopard: add board file based on board-dm355-evm.c
   5
   6 ---
   7  arch/arm/mach-davinci/Kconfig               |    8 +
   8  arch/arm/mach-davinci/Makefile              |    2 +
   9  arch/arm/mach-davinci/board-dm355-leopard.c |  295 +++++++++++++++++++++++++++
  10  3 files changed, 305 insertions(+), 0 deletions(-)
  11  create mode 100644 arch/arm/mach-davinci/board-dm355-leopard.c
  12
  13 diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
  14 index 0010f2d..85424b8 100644
  15 --- a/arch/arm/mach-davinci/Kconfig
  16 +++ b/arch/arm/mach-davinci/Kconfig
  17 @@ -50,6 +50,14 @@ config MACH_SFFSDR
  18           Say Y here to select the Lyrtech Small Form Factor
  19           Software Defined Radio (SFFSDR) board.
  20
  21 +config MACH_DM355_LEOPARD
  22 +       bool "TI DM355 Leopard board"
  23 +       default n
  24 +       depends on ARCH_DAVINCI_DM355
  25 +       help
  26 +         Configure this option to specify the whether the board used
  27 +         for development is a DM355 Leopard board.
  28 +
  29  config DAVINCI_MUX
  30         bool "DAVINCI multiplexing support"
  31         depends on ARCH_DAVINCI
  32 diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile
  33 index 6783681..96ef484 100644
  34 --- a/arch/arm/mach-davinci/Makefile
  35 +++ b/arch/arm/mach-davinci/Makefile
  36 @@ -19,3 +19,5 @@ obj-$(CONFIG_MACH_DAVINCI_EVM)        += board-dm644x-evm.o
  37  obj-$(CONFIG_MACH_DAVINCI_DM646X_EVM)  += board-dm646x-evm.o
  38  obj-$(CONFIG_MACH_DAVINCI_DM355_EVM)   += board-dm355-evm.o
  39  obj-$(CONFIG_MACH_SFFSDR)              += board-sffsdr.o
  40 +obj-$(CONFIG_MACH_DM355_LEOPARD)       += board-dm355-leopard.o
  41 +
  42 diff --git a/arch/arm/mach-davinci/board-dm355-leopard.c b/arch/arm/mach-davinci/board-dm355-leopard.c
  43 new file mode 100644
  44 index 0000000..a1e97e8
  45 --- /dev/null
  46 +++ b/arch/arm/mach-davinci/board-dm355-leopard.c
  47 @@ -0,0 +1,295 @@
  48 +/*
  49 + * TI DM355 leopard board support
  50 + *
  51 + * Based on board-dm355-evm.c
  52 + *
  53 + * This file is licensed under the terms of the GNU General Public
  54 + * License version 2. This program is licensed "as is" without any
  55 + * warranty of any kind, whether express or implied.
  56 + */
  57 +#include <linux/kernel.h>
  58 +#include <linux/module.h>
  59 +#include <linux/init.h>
  60 +#include <linux/dma-mapping.h>
  61 +#include <linux/platform_device.h>
  62 +#include <linux/mtd/mtd.h>
  63 +#include <linux/mtd/partitions.h>
  64 +#include <linux/mtd/nand.h>
  65 +#include <linux/i2c.h>
  66 +#include <linux/io.h>
  67 +#include <linux/gpio.h>
  68 +#include <linux/clk.h>
  69 +#include <linux/spi/spi.h>
  70 +#include <linux/spi/eeprom.h>
  71 +
  72 +#include <asm/setup.h>
  73 +#include <asm/mach-types.h>
  74 +#include <asm/mach/arch.h>
  75 +#include <asm/mach/map.h>
  76 +#include <asm/mach/flash.h>
  77 +
  78 +#include <mach/hardware.h>
  79 +#include <mach/dm355.h>
  80 +#include <mach/psc.h>
  81 +#include <mach/common.h>
  82 +#include <mach/emac.h>
  83 +#include <mach/i2c.h>
  84 +#include <mach/serial.h>
  85 +#include <mach/nand.h>
  86 +#include <mach/mmc.h>
  87 +
  88 +#define DAVINCI_ASYNC_EMIF_CONTROL_BASE                0x01e10000
  89 +#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE       0x02000000
  90 +
  91 +/* NOTE:  this is geared for the standard config, with a socketed
  92 + * 2 GByte Micron NAND (MT29F16G08FAA) using 128KB sectors.  If you
  93 + * swap chips, maybe with a different block size, partitioning may
  94 + * need to be changed.
  95 + */
  96 +#define NAND_BLOCK_SIZE                SZ_128K
  97 +
  98 +static struct mtd_partition davinci_nand_partitions[] = {
  99 +       {
 100 +               /* UBL (a few copies) plus U-Boot */
 101 +               .name           = "bootloader",
 102 +               .offset         = 0,
 103 +               .size           = 15 * NAND_BLOCK_SIZE,
 104 +               .mask_flags     = MTD_WRITEABLE, /* force read-only */
 105 +       }, {
 106 +               /* U-Boot environment */
 107 +               .name           = "params",
 108 +               .offset         = MTDPART_OFS_APPEND,
 109 +               .size           = 1 * NAND_BLOCK_SIZE,
 110 +               .mask_flags     = 0,
 111 +       }, {
 112 +               .name           = "kernel",
 113 +               .offset         = MTDPART_OFS_APPEND,
 114 +               .size           = SZ_4M,
 115 +               .mask_flags     = 0,
 116 +       }, {
 117 +               .name           = "filesystem1",
 118 +               .offset         = MTDPART_OFS_APPEND,
 119 +               .size           = SZ_512M,
 120 +               .mask_flags     = 0,
 121 +       }, {
 122 +               .name           = "filesystem2",
 123 +               .offset         = MTDPART_OFS_APPEND,
 124 +               .size           = MTDPART_SIZ_FULL,
 125 +               .mask_flags     = 0,
 126 +       }
 127 +       /* two blocks with bad block table (and mirror) at the end */
 128 +};
 129 +
 130 +static struct davinci_nand_pdata davinci_nand_data = {
 131 +       .mask_chipsel           = BIT(14),
 132 +       .parts                  = davinci_nand_partitions,
 133 +       .nr_parts               = ARRAY_SIZE(davinci_nand_partitions),
 134 +       .ecc_mode               = NAND_ECC_HW_SYNDROME,
 135 +       .options                = NAND_USE_FLASH_BBT,
 136 +};
 137 +
 138 +static struct resource davinci_nand_resources[] = {
 139 +       {
 140 +               .start          = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE,
 141 +               .end            = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE + SZ_32M - 1,
 142 +               .flags          = IORESOURCE_MEM,
 143 +       }, {
 144 +               .start          = DAVINCI_ASYNC_EMIF_CONTROL_BASE,
 145 +               .end            = DAVINCI_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
 146 +               .flags          = IORESOURCE_MEM,
 147 +       },
 148 +};
 149 +
 150 +static struct platform_device davinci_nand_device = {
 151 +       .name                   = "davinci_nand",
 152 +       .id                     = 0,
 153 +
 154 +       .num_resources          = ARRAY_SIZE(davinci_nand_resources),
 155 +       .resource               = davinci_nand_resources,
 156 +
 157 +       .dev                    = {
 158 +               .platform_data  = &davinci_nand_data,
 159 +       },
 160 +};
 161 +
 162 +static struct davinci_i2c_platform_data i2c_pdata = {
 163 +       .bus_freq       = 400   /* kHz */,
 164 +       .bus_delay      = 0     /* usec */,
 165 +};
 166 +
 167 +static int dm355leopard_mmc_gpios = -EINVAL;
 168 +
 169 +static void dm355leopard_mmcsd_gpios(unsigned gpio)
 170 +{
 171 +       gpio_request(gpio + 0, "mmc0_ro");
 172 +       gpio_request(gpio + 1, "mmc0_cd");
 173 +       gpio_request(gpio + 2, "mmc1_ro");
 174 +       gpio_request(gpio + 3, "mmc1_cd");
 175 +
 176 +       /* we "know" these are input-only so we don't
 177 +        * need to call gpio_direction_input()
 178 +        */
 179 +
 180 +       dm355leopard_mmc_gpios = gpio;
 181 +}
 182 +
 183 +static struct i2c_board_info dm355leopard_i2c_info[] = {
 184 +       { I2C_BOARD_INFO("dm355leopard_msp", 0x25),
 185 +               .platform_data = dm355leopard_mmcsd_gpios,
 186 +               /* plus irq */ },
 187 +       /* { I2C_BOARD_INFO("tlv320aic3x", 0x1b), }, */
 188 +       /* { I2C_BOARD_INFO("tvp5146", 0x5d), }, */
 189 +};
 190 +
 191 +static void __init leopard_init_i2c(void)
 192 +{
 193 +       davinci_init_i2c(&i2c_pdata);
 194 +
 195 +       gpio_request(5, "dm355leopard_msp");
 196 +       gpio_direction_input(5);
 197 +       dm355leopard_i2c_info[0].irq = gpio_to_irq(5);
 198 +
 199 +       i2c_register_board_info(1, dm355leopard_i2c_info,
 200 +                       ARRAY_SIZE(dm355leopard_i2c_info));
 201 +}
 202 +
 203 +static struct resource dm355leopard_dm9000_rsrc[] = {
 204 +       {
 205 +               /* addr */
 206 +               .start  = 0x04014000,
 207 +               .end    = 0x04014001,
 208 +               .flags  = IORESOURCE_MEM,
 209 +       }, {
 210 +               /* data */
 211 +               .start  = 0x04014002,
 212 +               .end    = 0x04014003,
 213 +               .flags  = IORESOURCE_MEM,
 214 +       }, {
 215 +               .flags  = IORESOURCE_IRQ
 216 +                       | IORESOURCE_IRQ_HIGHEDGE /* rising (active high) */,
 217 +       },
 218 +};
 219 +
 220 +static struct platform_device dm355leopard_dm9000 = {
 221 +       .name           = "dm9000",
 222 +       .id             = -1,
 223 +       .resource       = dm355leopard_dm9000_rsrc,
 224 +       .num_resources  = ARRAY_SIZE(dm355leopard_dm9000_rsrc),
 225 +};
 226 +
 227 +static struct platform_device *davinci_leopard_devices[] __initdata = {
 228 +       &dm355leopard_dm9000,
 229 +       &davinci_nand_device,
 230 +};
 231 +
 232 +static struct davinci_uart_config uart_config __initdata = {
 233 +       .enabled_uarts = (1 << 0),
 234 +};
 235 +
 236 +static void __init dm355_leopard_map_io(void)
 237 +{
 238 +       davinci_map_common_io();
 239 +       dm355_init();
 240 +}
 241 +
 242 +static int dm355leopard_mmc_get_cd(int module)
 243 +{
 244 +       if (!gpio_is_valid(dm355leopard_mmc_gpios))
 245 +               return -ENXIO;
 246 +       /* low == card present */
 247 +       return !gpio_get_value_cansleep(dm355leopard_mmc_gpios + 2 * module + 1);
 248 +}
 249 +
 250 +static int dm355leopard_mmc_get_ro(int module)
 251 +{
 252 +       if (!gpio_is_valid(dm355leopard_mmc_gpios))
 253 +               return -ENXIO;
 254 +       /* high == card's write protect switch active */
 255 +       return gpio_get_value_cansleep(dm355leopard_mmc_gpios + 2 * module + 0);
 256 +}
 257 +
 258 +static struct davinci_mmc_config dm355leopard_mmc_config = {
 259 +       .get_cd         = dm355leopard_mmc_get_cd,
 260 +       .get_ro         = dm355leopard_mmc_get_ro,
 261 +       .wires          = 4,
 262 +       .max_freq       = 50000000,
 263 +       .caps           = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
 264 +};
 265 +
 266 +/* Don't connect anything to J10 unless you're only using USB host
 267 + * mode *and* have to do so with some kind of gender-bender.  If
 268 + * you have proper Mini-B or Mini-A cables (or Mini-A adapters)
 269 + * the ID pin won't need any help.
 270 + */
 271 +#ifdef CONFIG_USB_MUSB_PERIPHERAL
 272 +#define USB_ID_VALUE   0       /* ID pulled high; *should* float */
 273 +#else
 274 +#define USB_ID_VALUE   1       /* ID pulled low */
 275 +#endif
 276 +
 277 +static struct spi_eeprom at25640a = {
 278 +       .byte_len       = SZ_64K / 8,
 279 +       .name           = "at25640a",
 280 +       .page_size      = 32,
 281 +       .flags          = EE_ADDR2,
 282 +};
 283 +
 284 +static struct spi_board_info dm355_leopard_spi_info[] __initconst = {
 285 +       {
 286 +               .modalias       = "at25",
 287 +               .platform_data  = &at25640a,
 288 +               .max_speed_hz   = 10 * 1000 * 1000,     /* at 3v3 */
 289 +               .bus_num        = 0,
 290 +               .chip_select    = 0,
 291 +               .mode           = SPI_MODE_0,
 292 +       },
 293 +};
 294 +
 295 +static __init void dm355_leopard_init(void)
 296 +{
 297 +       struct clk *aemif;
 298 +
 299 +       gpio_request(1, "dm9000");
 300 +       gpio_direction_input(1);
 301 +       dm355leopard_dm9000_rsrc[2].start = gpio_to_irq(1);
 302 +
 303 +       aemif = clk_get(&dm355leopard_dm9000.dev, "aemif");
 304 +       clk_enable(aemif);
 305 +       clk_put(aemif);
 306 +
 307 +       platform_add_devices(davinci_leopard_devices,
 308 +                            ARRAY_SIZE(davinci_leopard_devices));
 309 +       leopard_init_i2c();
 310 +       davinci_serial_init(&uart_config);
 311 +
 312 +       /* NOTE:  NAND flash timings set by the UBL are slower than
 313 +        * needed by MT29F16G08FAA chips ... EMIF.A1CR is 0x40400204
 314 +        * but could be 0x0400008c for about 25% faster page reads.
 315 +        */
 316 +
 317 +       gpio_request(2, "usb_id_toggle");
 318 +       gpio_direction_output(2, USB_ID_VALUE);
 319 +       /* irlml6401 switches over 1A in under 8 msec */
 320 +       setup_usb(500, 8);
 321 +
 322 +       davinci_setup_mmc(0, &dm355leopard_mmc_config);
 323 +       davinci_setup_mmc(1, &dm355leopard_mmc_config);
 324 +
 325 +       dm355_init_spi0(BIT(0), dm355_leopard_spi_info,
 326 +                       ARRAY_SIZE(dm355_leopard_spi_info));
 327 +}
 328 +
 329 +static __init void dm355_leopard_irq_init(void)
 330 +{
 331 +       davinci_irq_init();
 332 +}
 333 +
 334 +MACHINE_START(DM355_LEOPARD, "DaVinci DM355 leopard")
 335 +       .phys_io      = IO_PHYS,
 336 +       .io_pg_offst  = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
 337 +       .boot_params  = (0x80000100),
 338 +       .map_io       = dm355_leopard_map_io,
 339 +       .init_irq     = dm355_leopard_irq_init,
 340 +       .timer        = &davinci_timer,
 341 +       .init_machine = dm355_leopard_init,
 342 +MACHINE_END
 343 --
 344 1.6.1.2
 345