/arch/mips/alchemy/devboards/pb1200/platform.c

https://bitbucket.org/thekraven/iscream_thunderc-2.6.35 · C · 203 lines · 157 code · 27 blank · 19 comment · 9 complexity · 5956a25c612a8c4a53377b22fa994241 MD5 · raw file

  1. /*
  2. * Pb1200/DBAu1200 board platform device registration
  3. *
  4. * Copyright (C) 2008 MontaVista Software Inc. <source@mvista.com>
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License as published by
  8. * the Free Software Foundation; either version 2 of the License, or
  9. * (at your option) any later version.
  10. *
  11. * This program is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14. * GNU General Public License for more details.
  15. *
  16. * You should have received a copy of the GNU General Public License
  17. * along with this program; if not, write to the Free Software
  18. * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  19. */
  20. #include <linux/dma-mapping.h>
  21. #include <linux/init.h>
  22. #include <linux/leds.h>
  23. #include <linux/platform_device.h>
  24. #include <linux/smc91x.h>
  25. #include <asm/mach-au1x00/au1xxx.h>
  26. #include <asm/mach-au1x00/au1100_mmc.h>
  27. #include <asm/mach-db1x00/bcsr.h>
  28. #include "../platform.h"
  29. static int mmc_activity;
  30. static void pb1200mmc0_set_power(void *mmc_host, int state)
  31. {
  32. if (state)
  33. bcsr_mod(BCSR_BOARD, 0, BCSR_BOARD_SD0PWR);
  34. else
  35. bcsr_mod(BCSR_BOARD, BCSR_BOARD_SD0PWR, 0);
  36. msleep(1);
  37. }
  38. static int pb1200mmc0_card_readonly(void *mmc_host)
  39. {
  40. return (bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD0WP) ? 1 : 0;
  41. }
  42. static int pb1200mmc0_card_inserted(void *mmc_host)
  43. {
  44. return (bcsr_read(BCSR_SIGSTAT) & BCSR_INT_SD0INSERT) ? 1 : 0;
  45. }
  46. static void pb1200_mmcled_set(struct led_classdev *led,
  47. enum led_brightness brightness)
  48. {
  49. if (brightness != LED_OFF) {
  50. if (++mmc_activity == 1)
  51. bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED0, 0);
  52. } else {
  53. if (--mmc_activity == 0)
  54. bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED0);
  55. }
  56. }
  57. static struct led_classdev pb1200mmc_led = {
  58. .brightness_set = pb1200_mmcled_set,
  59. };
  60. static void pb1200mmc1_set_power(void *mmc_host, int state)
  61. {
  62. if (state)
  63. bcsr_mod(BCSR_BOARD, 0, BCSR_BOARD_SD1PWR);
  64. else
  65. bcsr_mod(BCSR_BOARD, BCSR_BOARD_SD1PWR, 0);
  66. msleep(1);
  67. }
  68. static int pb1200mmc1_card_readonly(void *mmc_host)
  69. {
  70. return (bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD1WP) ? 1 : 0;
  71. }
  72. static int pb1200mmc1_card_inserted(void *mmc_host)
  73. {
  74. return (bcsr_read(BCSR_SIGSTAT) & BCSR_INT_SD1INSERT) ? 1 : 0;
  75. }
  76. const struct au1xmmc_platform_data au1xmmc_platdata[2] = {
  77. [0] = {
  78. .set_power = pb1200mmc0_set_power,
  79. .card_inserted = pb1200mmc0_card_inserted,
  80. .card_readonly = pb1200mmc0_card_readonly,
  81. .cd_setup = NULL, /* use poll-timer in driver */
  82. .led = &pb1200mmc_led,
  83. },
  84. [1] = {
  85. .set_power = pb1200mmc1_set_power,
  86. .card_inserted = pb1200mmc1_card_inserted,
  87. .card_readonly = pb1200mmc1_card_readonly,
  88. .cd_setup = NULL, /* use poll-timer in driver */
  89. .led = &pb1200mmc_led,
  90. },
  91. };
  92. static struct resource ide_resources[] = {
  93. [0] = {
  94. .start = IDE_PHYS_ADDR,
  95. .end = IDE_PHYS_ADDR + IDE_PHYS_LEN - 1,
  96. .flags = IORESOURCE_MEM
  97. },
  98. [1] = {
  99. .start = IDE_INT,
  100. .end = IDE_INT,
  101. .flags = IORESOURCE_IRQ
  102. }
  103. };
  104. static u64 ide_dmamask = DMA_BIT_MASK(32);
  105. static struct platform_device ide_device = {
  106. .name = "au1200-ide",
  107. .id = 0,
  108. .dev = {
  109. .dma_mask = &ide_dmamask,
  110. .coherent_dma_mask = DMA_BIT_MASK(32),
  111. },
  112. .num_resources = ARRAY_SIZE(ide_resources),
  113. .resource = ide_resources
  114. };
  115. static struct smc91x_platdata smc_data = {
  116. .flags = SMC91X_NOWAIT | SMC91X_USE_16BIT,
  117. .leda = RPC_LED_100_10,
  118. .ledb = RPC_LED_TX_RX,
  119. };
  120. static struct resource smc91c111_resources[] = {
  121. [0] = {
  122. .name = "smc91x-regs",
  123. .start = SMC91C111_PHYS_ADDR,
  124. .end = SMC91C111_PHYS_ADDR + 0xf,
  125. .flags = IORESOURCE_MEM
  126. },
  127. [1] = {
  128. .start = SMC91C111_INT,
  129. .end = SMC91C111_INT,
  130. .flags = IORESOURCE_IRQ
  131. },
  132. };
  133. static struct platform_device smc91c111_device = {
  134. .dev = {
  135. .platform_data = &smc_data,
  136. },
  137. .name = "smc91x",
  138. .id = -1,
  139. .num_resources = ARRAY_SIZE(smc91c111_resources),
  140. .resource = smc91c111_resources
  141. };
  142. static struct platform_device *board_platform_devices[] __initdata = {
  143. &ide_device,
  144. &smc91c111_device
  145. };
  146. static int __init board_register_devices(void)
  147. {
  148. int swapped;
  149. db1x_register_pcmcia_socket(PCMCIA_ATTR_PHYS_ADDR,
  150. PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
  151. PCMCIA_MEM_PHYS_ADDR,
  152. PCMCIA_MEM_PHYS_ADDR + 0x000400000 - 1,
  153. PCMCIA_IO_PHYS_ADDR,
  154. PCMCIA_IO_PHYS_ADDR + 0x000010000 - 1,
  155. PB1200_PC0_INT,
  156. PB1200_PC0_INSERT_INT,
  157. /*PB1200_PC0_STSCHG_INT*/0,
  158. PB1200_PC0_EJECT_INT,
  159. 0);
  160. db1x_register_pcmcia_socket(PCMCIA_ATTR_PHYS_ADDR + 0x008000000,
  161. PCMCIA_ATTR_PHYS_ADDR + 0x008400000 - 1,
  162. PCMCIA_MEM_PHYS_ADDR + 0x008000000,
  163. PCMCIA_MEM_PHYS_ADDR + 0x008400000 - 1,
  164. PCMCIA_IO_PHYS_ADDR + 0x008000000,
  165. PCMCIA_IO_PHYS_ADDR + 0x008010000 - 1,
  166. PB1200_PC1_INT,
  167. PB1200_PC1_INSERT_INT,
  168. /*PB1200_PC1_STSCHG_INT*/0,
  169. PB1200_PC1_EJECT_INT,
  170. 1);
  171. swapped = bcsr_read(BCSR_STATUS) & BCSR_STATUS_DB1200_SWAPBOOT;
  172. db1x_register_norflash(128 * 1024 * 1024, 2, swapped);
  173. return platform_add_devices(board_platform_devices,
  174. ARRAY_SIZE(board_platform_devices));
  175. }
  176. device_initcall(board_register_devices);