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 <net.h>
   9 #include <asm/arch/clock.h>
  10 #include <asm/arch/imx-regs.h>
  11 #include <asm/arch/mx7-pins.h>
  12 #include <asm/arch/sys_proto.h>
  13 #include <asm/gpio.h>
  14 #include <asm/mach-imx/hab.h>
  15 #include <asm/mach-imx/iomux-v3.h>
  16 #include <asm/io.h>
  17 #include <common.h>
  18 #include <env.h>
  19 #include <asm/arch/crm_regs.h>
  20 #include <netdev.h>
  21 #include <power/pmic.h>
  22 #include <power/pfuze3000_pmic.h>
  23 #include "../freescale/common/pfuze.h"
  24 #include <asm/setup.h>
  25 #include <asm/bootm.h>
  26
  27 DECLARE_GLOBAL_DATA_PTR;
  28
  29 #define UART_PAD_CTRL  (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUS_PU100KOHM | \
  30                         PAD_CTL_HYS)
  31
  32 int dram_init(void)
  33 {
  34         gd->ram_size = PHYS_SDRAM_SIZE;
  35
  36         /* Subtract the defined OPTEE runtime firmware length */
  37 #ifdef CONFIG_OPTEE_TZDRAM_SIZE
  38                 gd->ram_size -= CONFIG_OPTEE_TZDRAM_SIZE;
  39 #endif
  40
  41         return 0;
  42 }
  43
  44 static iomux_v3_cfg_t const wdog_pads[] = {
  45         MX7D_PAD_GPIO1_IO00__WDOG1_WDOG_B | MUX_PAD_CTRL(NO_PAD_CTRL),
  46 };
  47
  48 static iomux_v3_cfg_t const uart1_pads[] = {
  49         MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
  50         MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
  51 };
  52
  53 static void setup_iomux_uart(void)
  54 {
  55         imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
  56 };
  57
  58 int board_early_init_f(void)
  59 {
  60         setup_iomux_uart();
  61
  62         return 0;
  63 }
  64
  65 #ifdef CONFIG_DM_PMIC
  66 int power_init_board(void)
  67 {
  68         struct udevice *dev;
  69         int ret, dev_id, rev_id;
  70
  71         ret = pmic_get("pfuze3000@8", &dev);
  72         if (ret == -ENODEV)
  73                 return 0;
  74         if (ret != 0)
  75                 return ret;
  76
  77         dev_id = pmic_reg_read(dev, PFUZE3000_DEVICEID);
  78         rev_id = pmic_reg_read(dev, PFUZE3000_REVID);
  79         printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", dev_id, rev_id);
  80
  81         /* disable Low Power Mode during standby mode */
  82         pmic_reg_write(dev, PFUZE3000_LDOGCTL, 1);
  83
  84         return 0;
  85 }
  86 #endif
  87
  88 int board_eth_init(bd_t *bis)
  89 {
  90         int ret = 0;
  91
  92 #ifdef CONFIG_USB_ETHER
  93         ret = usb_eth_initialize(bis);
  94         if (ret < 0)
  95                 printf("Error %d registering USB ether.\n", ret);
  96 #endif
  97
  98         return ret;
  99 }
 100
 101 int board_init(void)
 102 {
 103         /* address of boot parameters */
 104         gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 105
 106         return 0;
 107 }
 108
 109 int checkboard(void)
 110 {
 111         char *mode;
 112
 113         if (IS_ENABLED(CONFIG_ARMV7_BOOT_SEC_DEFAULT))
 114                 mode = "secure";
 115         else
 116                 mode = "non-secure";
 117
 118 #ifdef CONFIG_OPTEE_TZDRAM_SIZE
 119         unsigned long optee_start, optee_end;
 120
 121         optee_end = PHYS_SDRAM + PHYS_SDRAM_SIZE;
 122         optee_start = optee_end - CONFIG_OPTEE_TZDRAM_SIZE;
 123
 124         printf("Board: WARP7 in %s mode OPTEE DRAM 0x%08lx-0x%08lx\n",
 125                mode, optee_start, optee_end);
 126 #else
 127         printf("Board: WARP7 in %s mode\n", mode);
 128 #endif
 129
 130         return 0;
 131 }
 132
 133 int board_late_init(void)
 134 {
 135         struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR;
 136 #ifdef CONFIG_SERIAL_TAG
 137         struct tag_serialnr serialnr;
 138         char serial_string[0x20];
 139 #endif
 140
 141         imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
 142
 143         set_wdog_reset(wdog);
 144
 145         /*
 146          * Do not assert internal WDOG_RESET_B_DEB(controlled by bit 4),
 147          * since we use PMIC_PWRON to reset the board.
 148          */
 149         clrsetbits_le16(&wdog->wcr, 0, 0x10);
 150
 151 #ifdef CONFIG_IMX_HAB
 152         /* Determine HAB state */
 153         env_set_ulong(HAB_ENABLED_ENVNAME, imx_hab_is_enabled());
 154 #else
 155         env_set_ulong(HAB_ENABLED_ENVNAME, 0);
 156 #endif
 157
 158 #ifdef CONFIG_SERIAL_TAG
 159         /* Set serial# standard environment variable based on OTP settings */
 160         get_board_serial(&serialnr);
 161         snprintf(serial_string, sizeof(serial_string), "WaRP7-0x%08x%08x",
 162                  serialnr.low, serialnr.high);
 163         env_set("serial#", serial_string);
 164 #endif
 165
 166         return 0;
 167 }