apalis-imx8.c 2.2 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * Copyright 2019 Toradex
  4. */
  5. #include <common.h>
  6. #include <init.h>
  7. #include <asm/arch/clock.h>
  8. #include <asm/arch/imx8-pins.h>
  9. #include <asm/arch/iomux.h>
  10. #include <asm/arch/sci/sci.h>
  11. #include <asm/arch/sys_proto.h>
  12. #include <asm/gpio.h>
  13. #include <asm/io.h>
  14. #include <env.h>
  15. #include <errno.h>
  16. #include <linux/libfdt.h>
  17. #include "../common/tdx-cfg-block.h"
  18. DECLARE_GLOBAL_DATA_PTR;
  19. #define UART_PAD_CTRL ((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | \
  20. (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \
  21. (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \
  22. (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
  23. static iomux_cfg_t uart1_pads[] = {
  24. SC_P_UART1_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
  25. SC_P_UART1_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
  26. };
  27. static void setup_iomux_uart(void)
  28. {
  29. imx8_iomux_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
  30. }
  31. int board_early_init_f(void)
  32. {
  33. sc_pm_clock_rate_t rate = SC_80MHZ;
  34. sc_err_t err = 0;
  35. /* Set UART1 clock root to 80 MHz and enable it */
  36. err = sc_pm_setup_uart(SC_R_UART_1, rate);
  37. if (err != SC_ERR_NONE)
  38. return 0;
  39. setup_iomux_uart();
  40. return 0;
  41. }
  42. #if CONFIG_IS_ENABLED(DM_GPIO)
  43. static void board_gpio_init(void)
  44. {
  45. /* TODO */
  46. }
  47. #else
  48. static inline void board_gpio_init(void) {}
  49. #endif
  50. #if IS_ENABLED(CONFIG_FEC_MXC)
  51. #include <miiphy.h>
  52. int board_phy_config(struct phy_device *phydev)
  53. {
  54. if (phydev->drv->config)
  55. phydev->drv->config(phydev);
  56. return 0;
  57. }
  58. #endif
  59. int checkboard(void)
  60. {
  61. puts("Model: Toradex Apalis iMX8\n");
  62. build_info();
  63. print_bootinfo();
  64. return 0;
  65. }
  66. int board_init(void)
  67. {
  68. board_gpio_init();
  69. return 0;
  70. }
  71. void detail_board_ddr_info(void)
  72. {
  73. puts("\nDDR ");
  74. }
  75. /*
  76. * Board specific reset that is system reset.
  77. */
  78. void reset_cpu(ulong addr)
  79. {
  80. /* TODO */
  81. }
  82. #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
  83. int ft_board_setup(void *blob, bd_t *bd)
  84. {
  85. return ft_common_board_setup(blob, bd);
  86. }
  87. #endif
  88. int board_mmc_get_env_dev(int devno)
  89. {
  90. return devno;
  91. }
  92. int board_late_init(void)
  93. {
  94. #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
  95. /* TODO move to common */
  96. env_set("board_name", "Apalis iMX8QM");
  97. env_set("board_rev", "v1.0");
  98. #endif
  99. return 0;
  100. }