mx6ullevk.c 2.0 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106
  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * Copyright (C) 2016 Freescale Semiconductor, Inc.
  4. */
  5. #include <init.h>
  6. #include <asm/arch/clock.h>
  7. #include <asm/arch/iomux.h>
  8. #include <asm/arch/imx-regs.h>
  9. #include <asm/arch/crm_regs.h>
  10. #include <asm/arch/mx6-pins.h>
  11. #include <asm/arch/sys_proto.h>
  12. #include <asm/gpio.h>
  13. #include <asm/mach-imx/iomux-v3.h>
  14. #include <asm/mach-imx/boot_mode.h>
  15. #include <asm/io.h>
  16. #include <common.h>
  17. #include <env.h>
  18. #include <fsl_esdhc_imx.h>
  19. #include <linux/sizes.h>
  20. #include <mmc.h>
  21. DECLARE_GLOBAL_DATA_PTR;
  22. #define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
  23. PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
  24. PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
  25. int dram_init(void)
  26. {
  27. gd->ram_size = imx_ddr_size();
  28. return 0;
  29. }
  30. static iomux_v3_cfg_t const uart1_pads[] = {
  31. MX6_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
  32. MX6_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
  33. };
  34. static void setup_iomux_uart(void)
  35. {
  36. imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
  37. }
  38. int board_mmc_get_env_dev(int devno)
  39. {
  40. return devno;
  41. }
  42. int mmc_map_to_kernel_blk(int devno)
  43. {
  44. return devno;
  45. }
  46. int board_early_init_f(void)
  47. {
  48. setup_iomux_uart();
  49. return 0;
  50. }
  51. int board_init(void)
  52. {
  53. /* Address of boot parameters */
  54. gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
  55. return 0;
  56. }
  57. #ifdef CONFIG_CMD_BMODE
  58. static const struct boot_mode board_boot_modes[] = {
  59. /* 4 bit bus width */
  60. {"sd1", MAKE_CFGVAL(0x42, 0x20, 0x00, 0x00)},
  61. {"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
  62. {"qspi1", MAKE_CFGVAL(0x10, 0x00, 0x00, 0x00)},
  63. {NULL, 0},
  64. };
  65. #endif
  66. int board_late_init(void)
  67. {
  68. #ifdef CONFIG_CMD_BMODE
  69. add_board_boot_modes(board_boot_modes);
  70. #endif
  71. #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
  72. if (is_cpu_type(MXC_CPU_MX6ULZ))
  73. env_set("board_name", "ULZ-EVK");
  74. else
  75. env_set("board_name", "EVK");
  76. env_set("board_rev", "14X14");
  77. #endif
  78. return 0;
  79. }
  80. int checkboard(void)
  81. {
  82. if (is_cpu_type(MXC_CPU_MX6ULZ))
  83. puts("Board: MX6ULZ 14x14 EVK\n");
  84. else
  85. puts("Board: MX6ULL 14x14 EVK\n");
  86. return 0;
  87. }