synchronousMemoryDatabase.c 3.0 KB

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  1. /*
  2. * TI DaVinci DM646X EVM board
  3. *
  4. * Derived from: arch/arm/mach-davinci/board-evm.c
  5. * Copyright (C) 2006 Texas Instruments.
  6. *
  7. * (C) 2007-2008, MontaVista Software, Inc.
  8. *
  9. * This file is licensed under the terms of the GNU General Public License
  10. * version 2. This program is licensed "as is" without any warranty of any
  11. * kind, whether express or implied.
  12. *
  13. */
  14. /**************************************************************************
  15. * Included Files
  16. **************************************************************************/
  17. #include <linux/kernel.h>
  18. #include <linux/init.h>
  19. #include <linux/leds.h>
  20. #include <linux/gpio.h>
  21. #include <linux/platform_device.h>
  22. #include <linux/i2c.h>
  23. #include <linux/i2c/at24.h>
  24. #include <linux/i2c/pcf857x.h>
  25. #include <media/tvp514x.h>
  26. #include <media/adv7343.h>
  27. #include <linux/mtd/mtd.h>
  28. #include <linux/mtd/nand.h>
  29. #include <linux/mtd/partitions.h>
  30. #include <linux/clk.h>
  31. #include <linux/export.h>
  32. #include <asm/mach-types.h>
  33. #include <asm/mach/arch.h>
  34. #include <mach/common.h>
  35. #include <mach/serial.h>
  36. #include <linux/platform_data/i2c-davinci.h>
  37. #include <linux/platform_data/mtd-davinci.h>
  38. #include <mach/clock.h>
  39. #include <mach/cdce949.h>
  40. #include <linux/platform_data/mtd-davinci-aemif.h>
  41. #include "davinci.h"
  42. #include "clock.h"
  43. #define NAND_BLOCK_SIZE SZ_128K
  44. /* Note: We are setting first partition as 'bootloader' constituting UBL, U-Boot
  45. * and U-Boot environment this avoids dependency on any particular combination
  46. * of UBL, U-Boot or flashing tools etc.
  47. */
  48. static struct mtd_partition davinci_nand_partitions[] = {
  49. {
  50. /* UBL, U-Boot with environment */
  51. .name = "bootloader",
  52. .offset = MTDPART_OFS_APPEND,
  53. .size = 16 * NAND_BLOCK_SIZE,
  54. .mask_flags = MTD_WRITEABLE, /* force read-only */
  55. }, {
  56. .name = "kernel",
  57. .offset = MTDPART_OFS_APPEND,
  58. .size = SZ_4M,
  59. .mask_flags = 0,
  60. }, {
  61. .name = "filesystem",
  62. .offset = MTDPART_OFS_APPEND,
  63. .size = MTDPART_SIZ_FULL,
  64. .mask_flags = 0,
  65. }
  66. };
  67. static struct davinci_aemif_timing dm6467tevm_nandflash_timing = {
  68. .wsetup = 29,
  69. .wstrobe = 24,
  70. .whold = 14,
  71. .rsetup = 19,
  72. .rstrobe = 33,
  73. .rhold = 0,
  74. .ta = 29,
  75. };
  76. static struct davinci_nand_pdata davinci_nand_data = {
  77. .mask_cle = 0x80000,
  78. .mask_ale = 0x40000,
  79. .parts = davinci_nand_partitions,
  80. .nr_parts = ARRAY_SIZE(davinci_nand_partitions),
  81. .ecc_mode = NAND_ECC_HW,
  82. .options = 0,
  83. };
  84. static struct resource davinci_nand_resources[] = {
  85. {
  86. .start = DM646X_ASYNC_EMIF_CS2_SPACE_BASE,
  87. .end = DM646X_ASYNC_EMIF_CS2_SPACE_BASE + SZ_32M - 1,
  88. .flags = IORESOURCE_MEM,
  89. }, {
  90. .start = DM646X_ASYNC_EMIF_CONTROL_BASE,
  91. .end = DM646X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
  92. .flags = IORESOURCE_MEM,
  93. },
  94. };
  95. static struct platform_device davinci_nand_device = {
  96. .name = "davinci_nand",
  97. .id = 0,
  98. .num_resources = ARRAY_SIZE(davinci_nand_resources),
  99. .resource = davinci_nand_resources,
  100. .dev = {
  101. .platform_data = &davinci_nand_data,
  102. },
  103. };
  104. #if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \