board.c 3.8 KB

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  1. /*
  2. * board.c
  3. *
  4. * Common board functions for AM33XX based boards
  5. *
  6. * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
  7. *
  8. * This program is free software; you can redistribute it and/or
  9. * modify it under the terms of the GNU General Public License as
  10. * published by the Free Software Foundation; either version 2 of
  11. * the License, or (at your option) any later version.
  12. *
  13. * This program is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE. See the
  16. * GNU General Public License for more details.
  17. */
  18. #include <common.h>
  19. #include <errno.h>
  20. #include <spl.h>
  21. #include <asm/arch/cpu.h>
  22. #include <asm/arch/hardware.h>
  23. #include <asm/arch/omap.h>
  24. #include <asm/arch/ddr_defs.h>
  25. #include <asm/arch/clock.h>
  26. #include <asm/arch/gpio.h>
  27. #include <asm/arch/mem.h>
  28. #include <asm/arch/mmc_host_def.h>
  29. #include <asm/arch/sys_proto.h>
  30. #include <asm/io.h>
  31. #include <asm/emif.h>
  32. #include <asm/gpio.h>
  33. #include <i2c.h>
  34. #include <miiphy.h>
  35. #include <cpsw.h>
  36. #include <asm/errno.h>
  37. #include <linux/usb/ch9.h>
  38. #include <linux/usb/gadget.h>
  39. #include <linux/usb/musb.h>
  40. #include <asm/omap_musb.h>
  41. DECLARE_GLOBAL_DATA_PTR;
  42. static const struct gpio_bank gpio_bank_am33xx[4] = {
  43. { (void *)AM33XX_GPIO0_BASE, METHOD_GPIO_24XX },
  44. { (void *)AM33XX_GPIO1_BASE, METHOD_GPIO_24XX },
  45. { (void *)AM33XX_GPIO2_BASE, METHOD_GPIO_24XX },
  46. { (void *)AM33XX_GPIO3_BASE, METHOD_GPIO_24XX },
  47. };
  48. const struct gpio_bank *const omap_gpio_bank = gpio_bank_am33xx;
  49. #if defined(CONFIG_OMAP_HSMMC) && !defined(CONFIG_SPL_BUILD)
  50. int cpu_mmc_init(bd_t *bis)
  51. {
  52. int ret;
  53. ret = omap_mmc_init(0, 0, 0, -1, -1);
  54. if (ret)
  55. return ret;
  56. return omap_mmc_init(1, 0, 0, -1, -1);
  57. }
  58. #endif
  59. void setup_clocks_for_console(void)
  60. {
  61. /* Not yet implemented */
  62. return;
  63. }
  64. /* AM33XX has two MUSB controllers which can be host or gadget */
  65. #if (defined(CONFIG_MUSB_GADGET) || defined(CONFIG_MUSB_HOST)) && \
  66. (defined(CONFIG_AM335X_USB0) || defined(CONFIG_AM335X_USB1))
  67. static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
  68. /* USB 2.0 PHY Control */
  69. #define CM_PHY_PWRDN (1 << 0)
  70. #define CM_PHY_OTG_PWRDN (1 << 1)
  71. #define OTGVDET_EN (1 << 19)
  72. #define OTGSESSENDEN (1 << 20)
  73. static void am33xx_usb_set_phy_power(u8 on, u32 *reg_addr)
  74. {
  75. if (on) {
  76. clrsetbits_le32(reg_addr, CM_PHY_PWRDN | CM_PHY_OTG_PWRDN,
  77. OTGVDET_EN | OTGSESSENDEN);
  78. } else {
  79. clrsetbits_le32(reg_addr, 0, CM_PHY_PWRDN | CM_PHY_OTG_PWRDN);
  80. }
  81. }
  82. static struct musb_hdrc_config musb_config = {
  83. .multipoint = 1,
  84. .dyn_fifo = 1,
  85. .num_eps = 16,
  86. .ram_bits = 12,
  87. };
  88. #ifdef CONFIG_AM335X_USB0
  89. static void am33xx_otg0_set_phy_power(u8 on)
  90. {
  91. am33xx_usb_set_phy_power(on, &cdev->usb_ctrl0);
  92. }
  93. struct omap_musb_board_data otg0_board_data = {
  94. .set_phy_power = am33xx_otg0_set_phy_power,
  95. };
  96. static struct musb_hdrc_platform_data otg0_plat = {
  97. .mode = CONFIG_AM335X_USB0_MODE,
  98. .config = &musb_config,
  99. .power = 50,
  100. .platform_ops = &musb_dsps_ops,
  101. .board_data = &otg0_board_data,
  102. };
  103. #endif
  104. #ifdef CONFIG_AM335X_USB1
  105. static void am33xx_otg1_set_phy_power(u8 on)
  106. {
  107. am33xx_usb_set_phy_power(on, &cdev->usb_ctrl1);
  108. }
  109. struct omap_musb_board_data otg1_board_data = {
  110. .set_phy_power = am33xx_otg1_set_phy_power,
  111. };
  112. static struct musb_hdrc_platform_data otg1_plat = {
  113. .mode = CONFIG_AM335X_USB1_MODE,
  114. .config = &musb_config,
  115. .power = 50,
  116. .platform_ops = &musb_dsps_ops,
  117. .board_data = &otg1_board_data,
  118. };
  119. #endif
  120. #endif
  121. int arch_misc_init(void)
  122. {
  123. #ifdef CONFIG_AM335X_USB0
  124. musb_register(&otg0_plat, &otg0_board_data,
  125. (void *)AM335X_USB0_OTG_BASE);
  126. #endif
  127. #ifdef CONFIG_AM335X_USB1
  128. musb_register(&otg1_plat, &otg1_board_data,
  129. (void *)AM335X_USB1_OTG_BASE);
  130. #endif
  131. return 0;
  132. }