board-msm7x30.c 4.1 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158
  1. /* Copyright (c) 2009-2010, Code Aurora Forum. All rights reserved.
  2. *
  3. * This program is free software; you can redistribute it and/or modify
  4. * it under the terms of the GNU General Public License version 2 and
  5. * only version 2 as published by the Free Software Foundation.
  6. *
  7. * This program is distributed in the hope that it will be useful,
  8. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  10. * GNU General Public License for more details.
  11. *
  12. * You should have received a copy of the GNU General Public License
  13. * along with this program; if not, write to the Free Software
  14. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  15. * 02110-1301, USA.
  16. */
  17. #include <linux/gpio.h>
  18. #include <linux/kernel.h>
  19. #include <linux/irq.h>
  20. #include <linux/platform_device.h>
  21. #include <linux/delay.h>
  22. #include <linux/io.h>
  23. #include <linux/smsc911x.h>
  24. #include <linux/usb/msm_hsusb.h>
  25. #include <linux/clkdev.h>
  26. #include <linux/memblock.h>
  27. #include <asm/mach-types.h>
  28. #include <asm/mach/arch.h>
  29. #include <asm/memory.h>
  30. #include <asm/setup.h>
  31. #include <mach/board.h>
  32. #include <mach/msm_iomap.h>
  33. #include <mach/dma.h>
  34. #include <mach/vreg.h>
  35. #include "devices.h"
  36. #include "gpiomux.h"
  37. #include "proc_comm.h"
  38. extern struct sys_timer msm_timer;
  39. static void __init msm7x30_fixup(struct tag *tag, char **cmdline,
  40. struct meminfo *mi)
  41. {
  42. for (; tag->hdr.size; tag = tag_next(tag))
  43. if (tag->hdr.tag == ATAG_MEM && tag->u.mem.start == 0x200000) {
  44. tag->u.mem.start = 0;
  45. tag->u.mem.size += SZ_2M;
  46. }
  47. }
  48. static void __init msm7x30_reserve(void)
  49. {
  50. memblock_remove(0x0, SZ_2M);
  51. }
  52. static int hsusb_phy_init_seq[] = {
  53. 0x30, 0x32, /* Enable and set Pre-Emphasis Depth to 20% */
  54. 0x02, 0x36, /* Disable CDR Auto Reset feature */
  55. -1
  56. };
  57. static struct msm_otg_platform_data msm_otg_pdata = {
  58. .phy_init_seq = hsusb_phy_init_seq,
  59. .mode = USB_PERIPHERAL,
  60. .otg_control = OTG_PHY_CONTROL,
  61. };
  62. struct msm_gpiomux_config msm_gpiomux_configs[GPIOMUX_NGPIOS] = {
  63. #ifdef CONFIG_SERIAL_MSM_CONSOLE
  64. [49] = { /* UART2 RFR */
  65. .suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
  66. GPIOMUX_FUNC_2 | GPIOMUX_VALID,
  67. },
  68. [50] = { /* UART2 CTS */
  69. .suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
  70. GPIOMUX_FUNC_2 | GPIOMUX_VALID,
  71. },
  72. [51] = { /* UART2 RX */
  73. .suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
  74. GPIOMUX_FUNC_2 | GPIOMUX_VALID,
  75. },
  76. [52] = { /* UART2 TX */
  77. .suspended = GPIOMUX_DRV_2MA | GPIOMUX_PULL_DOWN |
  78. GPIOMUX_FUNC_2 | GPIOMUX_VALID,
  79. },
  80. #endif
  81. };
  82. static struct platform_device *devices[] __initdata = {
  83. #if defined(CONFIG_SERIAL_MSM) || defined(CONFIG_MSM_SERIAL_DEBUGGER)
  84. &msm_device_uart2,
  85. #endif
  86. &msm_device_smd,
  87. &msm_device_otg,
  88. &msm_device_hsusb,
  89. &msm_device_hsusb_host,
  90. };
  91. static void __init msm7x30_init_irq(void)
  92. {
  93. msm_init_irq();
  94. }
  95. static void __init msm7x30_init(void)
  96. {
  97. msm_device_otg.dev.platform_data = &msm_otg_pdata;
  98. msm_device_hsusb.dev.parent = &msm_device_otg.dev;
  99. msm_device_hsusb_host.dev.parent = &msm_device_otg.dev;
  100. platform_add_devices(devices, ARRAY_SIZE(devices));
  101. }
  102. static void __init msm7x30_map_io(void)
  103. {
  104. msm_map_msm7x30_io();
  105. msm_clock_init(msm_clocks_7x30, msm_num_clocks_7x30);
  106. }
  107. static void __init msm7x30_init_late(void)
  108. {
  109. smd_debugfs_init();
  110. }
  111. MACHINE_START(MSM7X30_SURF, "QCT MSM7X30 SURF")
  112. .atag_offset = 0x100,
  113. .fixup = msm7x30_fixup,
  114. .reserve = msm7x30_reserve,
  115. .map_io = msm7x30_map_io,
  116. .init_irq = msm7x30_init_irq,
  117. .init_machine = msm7x30_init,
  118. .init_late = msm7x30_init_late,
  119. .timer = &msm_timer,
  120. MACHINE_END
  121. MACHINE_START(MSM7X30_FFA, "QCT MSM7X30 FFA")
  122. .atag_offset = 0x100,
  123. .fixup = msm7x30_fixup,
  124. .reserve = msm7x30_reserve,
  125. .map_io = msm7x30_map_io,
  126. .init_irq = msm7x30_init_irq,
  127. .init_machine = msm7x30_init,
  128. .init_late = msm7x30_init_late,
  129. .timer = &msm_timer,
  130. MACHINE_END
  131. MACHINE_START(MSM7X30_FLUID, "QCT MSM7X30 FLUID")
  132. .atag_offset = 0x100,
  133. .fixup = msm7x30_fixup,
  134. .reserve = msm7x30_reserve,
  135. .map_io = msm7x30_map_io,
  136. .init_irq = msm7x30_init_irq,
  137. .init_machine = msm7x30_init,
  138. .init_late = msm7x30_init_late,
  139. .timer = &msm_timer,
  140. MACHINE_END