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 <cpu_func.h>
  7. #include <init.h>
  8. #include <asm/arch/clock.h>
  9. #include <asm/arch/imx8-pins.h>
  10. #include <asm/arch/iomux.h>
  11. #include <asm/arch/sci/sci.h>
  12. #include <asm/arch/sys_proto.h>
  13. #include <asm/gpio.h>
  14. #include <asm/io.h>
  15. #include <env.h>
  16. #include <errno.h>
  17. #include <linux/libfdt.h>
  18. #include "../common/tdx-cfg-block.h"
  19. DECLARE_GLOBAL_DATA_PTR;
  20. #define UART_PAD_CTRL ((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | \
  21. (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \
  22. (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \
  23. (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
  24. static iomux_cfg_t uart1_pads[] = {
  25. SC_P_UART1_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
  26. SC_P_UART1_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
  27. };
  28. static void setup_iomux_uart(void)
  29. {
  30. imx8_iomux_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
  31. }
  32. int board_early_init_f(void)
  33. {
  34. sc_pm_clock_rate_t rate = SC_80MHZ;
  35. sc_err_t err = 0;
  36. /* Set UART1 clock root to 80 MHz and enable it */
  37. err = sc_pm_setup_uart(SC_R_UART_1, rate);
  38. if (err != SC_ERR_NONE)
  39. return 0;
  40. setup_iomux_uart();
  41. return 0;
  42. }
  43. #if CONFIG_IS_ENABLED(DM_GPIO)
  44. static void board_gpio_init(void)
  45. {
  46. /* TODO */
  47. }
  48. #else
  49. static inline void board_gpio_init(void) {}
  50. #endif
  51. #if IS_ENABLED(CONFIG_FEC_MXC)
  52. #include <miiphy.h>
  53. int board_phy_config(struct phy_device *phydev)
  54. {
  55. if (phydev->drv->config)
  56. phydev->drv->config(phydev);
  57. return 0;
  58. }
  59. #endif
  60. int checkboard(void)
  61. {
  62. puts("Model: Toradex Apalis iMX8\n");
  63. build_info();
  64. print_bootinfo();
  65. return 0;
  66. }
  67. int board_init(void)
  68. {
  69. board_gpio_init();
  70. return 0;
  71. }
  72. void detail_board_ddr_info(void)
  73. {
  74. puts("\nDDR ");
  75. }
  76. /*
  77. * Board specific reset that is system reset.
  78. */
  79. void reset_cpu(ulong addr)
  80. {
  81. /* TODO */
  82. }
  83. #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
  84. int ft_board_setup(void *blob, bd_t *bd)
  85. {
  86. return ft_common_board_setup(blob, bd);
  87. }
  88. #endif
  89. int board_mmc_get_env_dev(int devno)
  90. {
  91. return devno;
  92. }
  93. int board_late_init(void)
  94. {
  95. #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
  96. /* TODO move to common */
  97. env_set("board_name", "Apalis iMX8QM");
  98. env_set("board_rev", "v1.0");
  99. #endif
  100. return 0;
  101. }