board/warp7/warp7.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2016 NXP Semiconductors
   4  * Author: Fabio Estevam <fabio.estevam@nxp.com>
   5  */
   6
   7 #include <init.h>
   8 #include <asm/arch/clock.h>
   9 #include <asm/arch/imx-regs.h>
  10 #include <asm/arch/mx7-pins.h>
  11 #include <asm/arch/sys_proto.h>
  12 #include <asm/gpio.h>
  13 #include <asm/mach-imx/hab.h>
  14 #include <asm/mach-imx/iomux-v3.h>
  15 #include <asm/io.h>
  16 #include <common.h>
  17 #include <env.h>
  18 #include <asm/arch/crm_regs.h>
  19 #include <netdev.h>
  20 #include <power/pmic.h>
  21 #include <power/pfuze3000_pmic.h>
  22 #include "../freescale/common/pfuze.h"
  23 #include <asm/setup.h>
  24 #include <asm/bootm.h>
  25
  26 DECLARE_GLOBAL_DATA_PTR;
  27
  28 #define UART_PAD_CTRL  (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUS_PU100KOHM | \
  29                         PAD_CTL_HYS)
  30
  31 int dram_init(void)
  32 {
  33         gd->ram_size = PHYS_SDRAM_SIZE;
  34
  35         /* Subtract the defined OPTEE runtime firmware length */
  36 #ifdef CONFIG_OPTEE_TZDRAM_SIZE
  37                 gd->ram_size -= CONFIG_OPTEE_TZDRAM_SIZE;
  38 #endif
  39
  40         return 0;
  41 }
  42
  43 static iomux_v3_cfg_t const wdog_pads[] = {
  44         MX7D_PAD_GPIO1_IO00__WDOG1_WDOG_B | MUX_PAD_CTRL(NO_PAD_CTRL),
  45 };
  46
  47 static iomux_v3_cfg_t const uart1_pads[] = {
  48         MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
  49         MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
  50 };
  51
  52 static void setup_iomux_uart(void)
  53 {
  54         imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
  55 };
  56
  57 int board_early_init_f(void)
  58 {
  59         setup_iomux_uart();
  60
  61         return 0;
  62 }
  63
  64 #ifdef CONFIG_DM_PMIC
  65 int power_init_board(void)
  66 {
  67         struct udevice *dev;
  68         int ret, dev_id, rev_id;
  69
  70         ret = pmic_get("pfuze3000@8", &dev);
  71         if (ret == -ENODEV)
  72                 return 0;
  73         if (ret != 0)
  74                 return ret;
  75
  76         dev_id = pmic_reg_read(dev, PFUZE3000_DEVICEID);
  77         rev_id = pmic_reg_read(dev, PFUZE3000_REVID);
  78         printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", dev_id, rev_id);
  79
  80         /* disable Low Power Mode during standby mode */
  81         pmic_reg_write(dev, PFUZE3000_LDOGCTL, 1);
  82
  83         return 0;
  84 }
  85 #endif
  86
  87 int board_eth_init(bd_t *bis)
  88 {
  89         int ret = 0;
  90
  91 #ifdef CONFIG_USB_ETHER
  92         ret = usb_eth_initialize(bis);
  93         if (ret < 0)
  94                 printf("Error %d registering USB ether.\n", ret);
  95 #endif
  96
  97         return ret;
  98 }
  99
 100 int board_init(void)
 101 {
 102         /* address of boot parameters */
 103         gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 104
 105         return 0;
 106 }
 107
 108 int checkboard(void)
 109 {
 110         char *mode;
 111
 112         if (IS_ENABLED(CONFIG_ARMV7_BOOT_SEC_DEFAULT))
 113                 mode = "secure";
 114         else
 115                 mode = "non-secure";
 116
 117 #ifdef CONFIG_OPTEE_TZDRAM_SIZE
 118         unsigned long optee_start, optee_end;
 119
 120         optee_end = PHYS_SDRAM + PHYS_SDRAM_SIZE;
 121         optee_start = optee_end - CONFIG_OPTEE_TZDRAM_SIZE;
 122
 123         printf("Board: WARP7 in %s mode OPTEE DRAM 0x%08lx-0x%08lx\n",
 124                mode, optee_start, optee_end);
 125 #else
 126         printf("Board: WARP7 in %s mode\n", mode);
 127 #endif
 128
 129         return 0;
 130 }
 131
 132 int board_late_init(void)
 133 {
 134         struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR;
 135 #ifdef CONFIG_SERIAL_TAG
 136         struct tag_serialnr serialnr;
 137         char serial_string[0x20];
 138 #endif
 139
 140         imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
 141
 142         set_wdog_reset(wdog);
 143
 144         /*
 145          * Do not assert internal WDOG_RESET_B_DEB(controlled by bit 4),
 146          * since we use PMIC_PWRON to reset the board.
 147          */
 148         clrsetbits_le16(&wdog->wcr, 0, 0x10);
 149
 150 #ifdef CONFIG_IMX_HAB
 151         /* Determine HAB state */
 152         env_set_ulong(HAB_ENABLED_ENVNAME, imx_hab_is_enabled());
 153 #else
 154         env_set_ulong(HAB_ENABLED_ENVNAME, 0);
 155 #endif
 156
 157 #ifdef CONFIG_SERIAL_TAG
 158         /* Set serial# standard environment variable based on OTP settings */
 159         get_board_serial(&serialnr);
 160         snprintf(serial_string, sizeof(serial_string), "WaRP7-0x%08x%08x",
 161                  serialnr.low, serialnr.high);
 162         env_set("serial#", serial_string);
 163 #endif
 164
 165         return 0;
 166 }