warp7.c 3.5 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165
  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * Copyright (C) 2016 NXP Semiconductors
  4. * Author: Fabio Estevam <fabio.estevam@nxp.com>
  5. */
  6. #include <asm/arch/clock.h>
  7. #include <asm/arch/imx-regs.h>
  8. #include <asm/arch/mx7-pins.h>
  9. #include <asm/arch/sys_proto.h>
  10. #include <asm/gpio.h>
  11. #include <asm/mach-imx/hab.h>
  12. #include <asm/mach-imx/iomux-v3.h>
  13. #include <asm/io.h>
  14. #include <common.h>
  15. #include <env.h>
  16. #include <asm/arch/crm_regs.h>
  17. #include <netdev.h>
  18. #include <power/pmic.h>
  19. #include <power/pfuze3000_pmic.h>
  20. #include "../freescale/common/pfuze.h"
  21. #include <asm/setup.h>
  22. #include <asm/bootm.h>
  23. DECLARE_GLOBAL_DATA_PTR;
  24. #define UART_PAD_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUS_PU100KOHM | \
  25. PAD_CTL_HYS)
  26. int dram_init(void)
  27. {
  28. gd->ram_size = PHYS_SDRAM_SIZE;
  29. /* Subtract the defined OPTEE runtime firmware length */
  30. #ifdef CONFIG_OPTEE_TZDRAM_SIZE
  31. gd->ram_size -= CONFIG_OPTEE_TZDRAM_SIZE;
  32. #endif
  33. return 0;
  34. }
  35. static iomux_v3_cfg_t const wdog_pads[] = {
  36. MX7D_PAD_GPIO1_IO00__WDOG1_WDOG_B | MUX_PAD_CTRL(NO_PAD_CTRL),
  37. };
  38. static iomux_v3_cfg_t const uart1_pads[] = {
  39. MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
  40. MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
  41. };
  42. static void setup_iomux_uart(void)
  43. {
  44. imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
  45. };
  46. int board_early_init_f(void)
  47. {
  48. setup_iomux_uart();
  49. return 0;
  50. }
  51. #ifdef CONFIG_DM_PMIC
  52. int power_init_board(void)
  53. {
  54. struct udevice *dev;
  55. int ret, dev_id, rev_id;
  56. ret = pmic_get("pfuze3000", &dev);
  57. if (ret == -ENODEV)
  58. return 0;
  59. if (ret != 0)
  60. return ret;
  61. dev_id = pmic_reg_read(dev, PFUZE3000_DEVICEID);
  62. rev_id = pmic_reg_read(dev, PFUZE3000_REVID);
  63. printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", dev_id, rev_id);
  64. /* disable Low Power Mode during standby mode */
  65. pmic_reg_write(dev, PFUZE3000_LDOGCTL, 1);
  66. return 0;
  67. }
  68. #endif
  69. int board_eth_init(bd_t *bis)
  70. {
  71. int ret = 0;
  72. #ifdef CONFIG_USB_ETHER
  73. ret = usb_eth_initialize(bis);
  74. if (ret < 0)
  75. printf("Error %d registering USB ether.\n", ret);
  76. #endif
  77. return ret;
  78. }
  79. int board_init(void)
  80. {
  81. /* address of boot parameters */
  82. gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
  83. return 0;
  84. }
  85. int checkboard(void)
  86. {
  87. char *mode;
  88. if (IS_ENABLED(CONFIG_ARMV7_BOOT_SEC_DEFAULT))
  89. mode = "secure";
  90. else
  91. mode = "non-secure";
  92. #ifdef CONFIG_OPTEE_TZDRAM_SIZE
  93. unsigned long optee_start, optee_end;
  94. optee_end = PHYS_SDRAM + PHYS_SDRAM_SIZE;
  95. optee_start = optee_end - CONFIG_OPTEE_TZDRAM_SIZE;
  96. printf("Board: WARP7 in %s mode OPTEE DRAM 0x%08lx-0x%08lx\n",
  97. mode, optee_start, optee_end);
  98. #else
  99. printf("Board: WARP7 in %s mode\n", mode);
  100. #endif
  101. return 0;
  102. }
  103. int board_late_init(void)
  104. {
  105. struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR;
  106. #ifdef CONFIG_SERIAL_TAG
  107. struct tag_serialnr serialnr;
  108. char serial_string[0x20];
  109. #endif
  110. imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
  111. set_wdog_reset(wdog);
  112. /*
  113. * Do not assert internal WDOG_RESET_B_DEB(controlled by bit 4),
  114. * since we use PMIC_PWRON to reset the board.
  115. */
  116. clrsetbits_le16(&wdog->wcr, 0, 0x10);
  117. #ifdef CONFIG_IMX_HAB
  118. /* Determine HAB state */
  119. env_set_ulong(HAB_ENABLED_ENVNAME, imx_hab_is_enabled());
  120. #else
  121. env_set_ulong(HAB_ENABLED_ENVNAME, 0);
  122. #endif
  123. #ifdef CONFIG_SERIAL_TAG
  124. /* Set serial# standard environment variable based on OTP settings */
  125. get_board_serial(&serialnr);
  126. snprintf(serial_string, sizeof(serial_string), "WaRP7-0x%08x%08x",
  127. serialnr.low, serialnr.high);
  128. env_set("serial#", serial_string);
  129. #endif
  130. return 0;
  131. }