commandProcessing.c 3.9 KB

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  1. /*
  2. * arch/arm/mach-orion5x/dns323-setup.c
  3. *
  4. * Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org>
  5. *
  6. * Support for HW Rev C1:
  7. *
  8. * Copyright (C) 2010 Benjamin Herrenschmidt <benh@kernel.crashing.org>
  9. *
  10. * This program is free software; you can redistribute it and/or modify
  11. * it under the terms of the GNU Lesser General Public License as
  12. * published by the Free Software Foundation; either version 2 of the
  13. * License, or (at your option) any later version.
  14. *
  15. */
  16. #include <linux/gpio.h>
  17. #include <linux/kernel.h>
  18. #include <linux/init.h>
  19. #include <linux/delay.h>
  20. #include <linux/platform_device.h>
  21. #include <linux/pci.h>
  22. #include <linux/irq.h>
  23. #include <linux/mtd/physmap.h>
  24. #include <linux/mv643xx_eth.h>
  25. #include <linux/leds.h>
  26. #include <linux/gpio_keys.h>
  27. #include <linux/input.h>
  28. #include <linux/i2c.h>
  29. #include <linux/ata_platform.h>
  30. #include <linux/phy.h>
  31. #include <linux/marvell_phy.h>
  32. #include <asm/mach-types.h>
  33. #include <asm/mach/arch.h>
  34. #include <asm/mach/pci.h>
  35. #include <asm/system_info.h>
  36. #include <mach/orion5x.h>
  37. #include <plat/orion-gpio.h>
  38. #include "common.h"
  39. #include "mpp.h"
  40. /* Rev A1 and B1 */
  41. #define DNS323_GPIO_LED_RIGHT_AMBER 1
  42. #define DNS323_GPIO_LED_LEFT_AMBER 2
  43. #define DNS323_GPIO_SYSTEM_UP 3
  44. #define DNS323_GPIO_LED_POWER1 4
  45. #define DNS323_GPIO_LED_POWER2 5
  46. #define DNS323_GPIO_OVERTEMP 6
  47. #define DNS323_GPIO_RTC 7
  48. #define DNS323_GPIO_POWER_OFF 8
  49. #define DNS323_GPIO_KEY_POWER 9
  50. #define DNS323_GPIO_KEY_RESET 10
  51. /* Rev C1 */
  52. #define DNS323C_GPIO_KEY_POWER 1
  53. #define DNS323C_GPIO_POWER_OFF 2
  54. #define DNS323C_GPIO_LED_RIGHT_AMBER 8
  55. #define DNS323C_GPIO_LED_LEFT_AMBER 9
  56. #define DNS323C_GPIO_LED_POWER 17
  57. #define DNS323C_GPIO_FAN_BIT1 18
  58. #define DNS323C_GPIO_FAN_BIT0 19
  59. /* Exposed to userspace, do not change */
  60. enum {
  61. DNS323_REV_A1, /* 0 */
  62. DNS323_REV_B1, /* 1 */
  63. DNS323_REV_C1, /* 2 */
  64. };
  65. /****************************************************************************
  66. * PCI setup
  67. */
  68. static int __init dns323_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
  69. {
  70. int irq;
  71. /*
  72. * Check for devices with hard-wired IRQs.
  73. */
  74. irq = orion5x_pci_map_irq(dev, slot, pin);
  75. if (irq != -1)
  76. return irq;
  77. return -1;
  78. }
  79. static struct hw_pci dns323_pci __initdata = {
  80. .nr_controllers = 2,
  81. .setup = orion5x_pci_sys_setup,
  82. .scan = orion5x_pci_sys_scan_bus,
  83. .map_irq = dns323_pci_map_irq,
  84. };
  85. static int __init dns323_pci_init(void)
  86. {
  87. /* Rev B1 and C1 doesn't really use its PCI bus, and initialising PCI
  88. * gets in the way of initialising the SATA controller.
  89. */
  90. if (machine_is_dns323() && system_rev == DNS323_REV_A1)
  91. pci_common_init(&dns323_pci);
  92. return 0;
  93. }
  94. subsys_initcall(dns323_pci_init);
  95. /****************************************************************************
  96. * 8MiB NOR flash (Spansion S29GL064M90TFIR4)
  97. *
  98. * Layout as used by D-Link:
  99. * 0x00000000-0x00010000 : "MTD1"
  100. * 0x00010000-0x00020000 : "MTD2"
  101. * 0x00020000-0x001a0000 : "Linux Kernel"
  102. * 0x001a0000-0x007d0000 : "File System"
  103. * 0x007d0000-0x00800000 : "u-boot"
  104. */
  105. #define DNS323_NOR_BOOT_BASE 0xf4000000
  106. #define DNS323_NOR_BOOT_SIZE SZ_8M
  107. static struct mtd_partition dns323_partitions[] = {
  108. {
  109. .name = "MTD1",
  110. .size = 0x00010000,
  111. .offset = 0,
  112. }, {
  113. .name = "MTD2",
  114. .size = 0x00010000,
  115. .offset = 0x00010000,
  116. }, {
  117. .name = "Linux Kernel",
  118. .size = 0x00180000,
  119. .offset = 0x00020000,
  120. }, {
  121. .name = "File System",
  122. .size = 0x00630000,
  123. .offset = 0x001A0000,
  124. }, {
  125. .name = "u-boot",
  126. .size = 0x00030000,
  127. .offset = 0x007d0000,
  128. },
  129. };
  130. static struct physmap_flash_data dns323_nor_flash_data = {
  131. .width = 1,
  132. .parts = dns323_partitions,
  133. .nr_parts = ARRAY_SIZE(dns323_partitions)
  134. };
  135. static struct resource dns323_nor_flash_resource = {
  136. .flags = IORESOURCE_MEM,
  137. .start = DNS323_NOR_BOOT_BASE,
  138. .end = DNS323_NOR_BOOT_BASE + DNS323_NOR_BOOT_SIZE - 1,
  139. };
  140. static struct platform_device dns323_nor_flash = {
  141. .name = "physmap-flash",
  142. .id = 0,
  143. .dev = {
  144. .platform_data = &dns323_nor_flash_data,
  145. },
  146. .resource = &dns323_nor_flash_resource,