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/global_data.h>
  14 #include <asm/gpio.h>
  15 #include <asm/mach-imx/hab.h>
  16 #include <asm/mach-imx/iomux-v3.h>
  17 #include <asm/io.h>
  18 #include <common.h>
  19 #include <env.h>
  20 #include <asm/arch/crm_regs.h>
  21 #include <netdev.h>
  22 #include <power/pmic.h>
  23 #include <power/pfuze3000_pmic.h>
  24 #include "../freescale/common/pfuze.h"
  25 #include <asm/setup.h>
  26 #include <asm/bootm.h>
  27
  28 DECLARE_GLOBAL_DATA_PTR;
  29
  30 #define UART_PAD_CTRL  (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUS_PU100KOHM | \
  31                         PAD_CTL_HYS)
  32
  33 int dram_init(void)
  34 {
  35         gd->ram_size = PHYS_SDRAM_SIZE;
  36
  37         /* Subtract the defined OPTEE runtime firmware length */
  38 #ifdef CONFIG_OPTEE_TZDRAM_SIZE
  39                 gd->ram_size -= CONFIG_OPTEE_TZDRAM_SIZE;
  40 #endif
  41
  42         return 0;
  43 }
  44
  45 static iomux_v3_cfg_t const wdog_pads[] = {
  46         MX7D_PAD_GPIO1_IO00__WDOG1_WDOG_B | MUX_PAD_CTRL(NO_PAD_CTRL),
  47 };
  48
  49 static iomux_v3_cfg_t const uart1_pads[] = {
  50         MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
  51         MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
  52 };
  53
  54 static void setup_iomux_uart(void)
  55 {
  56         imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
  57 };
  58
  59 int board_early_init_f(void)
  60 {
  61         setup_iomux_uart();
  62
  63         return 0;
  64 }
  65
  66 #ifdef CONFIG_DM_PMIC
  67 int power_init_board(void)
  68 {
  69         struct udevice *dev;
  70         int ret, dev_id, rev_id;
  71
  72         ret = pmic_get("pfuze3000@8", &dev);
  73         if (ret == -ENODEV)
  74                 return 0;
  75         if (ret != 0)
  76                 return ret;
  77
  78         dev_id = pmic_reg_read(dev, PFUZE3000_DEVICEID);
  79         rev_id = pmic_reg_read(dev, PFUZE3000_REVID);
  80         printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", dev_id, rev_id);
  81
  82         /* disable Low Power Mode during standby mode */
  83         pmic_reg_write(dev, PFUZE3000_LDOGCTL, 1);
  84
  85         return 0;
  86 }
  87 #endif
  88
  89 int board_eth_init(struct bd_info *bis)
  90 {
  91         int ret = 0;
  92
  93 #ifdef CONFIG_USB_ETHER
  94         ret = usb_eth_initialize(bis);
  95         if (ret < 0)
  96                 printf("Error %d registering USB ether.\n", ret);
  97 #endif
  98
  99         return ret;
 100 }
 101
 102 int board_init(void)
 103 {
 104         /* address of boot parameters */
 105         gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 106
 107         return 0;
 108 }
 109
 110 int checkboard(void)
 111 {
 112         char *mode;
 113
 114         if (IS_ENABLED(CONFIG_ARMV7_BOOT_SEC_DEFAULT))
 115                 mode = "secure";
 116         else
 117                 mode = "non-secure";
 118
 119 #ifdef CONFIG_OPTEE_TZDRAM_SIZE
 120         unsigned long optee_start, optee_end;
 121
 122         optee_end = PHYS_SDRAM + PHYS_SDRAM_SIZE;
 123         optee_start = optee_end - CONFIG_OPTEE_TZDRAM_SIZE;
 124
 125         printf("Board: WARP7 in %s mode OPTEE DRAM 0x%08lx-0x%08lx\n",
 126                mode, optee_start, optee_end);
 127 #else
 128         printf("Board: WARP7 in %s mode\n", mode);
 129 #endif
 130
 131         return 0;
 132 }
 133
 134 int board_late_init(void)
 135 {
 136         struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR;
 137 #ifdef CONFIG_SERIAL_TAG
 138         struct tag_serialnr serialnr;
 139         char serial_string[0x20];
 140 #endif
 141
 142         imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
 143
 144         set_wdog_reset(wdog);
 145
 146         /*
 147          * Do not assert internal WDOG_RESET_B_DEB(controlled by bit 4),
 148          * since we use PMIC_PWRON to reset the board.
 149          */
 150         clrsetbits_le16(&wdog->wcr, 0, 0x10);
 151
 152 #ifdef CONFIG_IMX_HAB
 153         /* Determine HAB state */
 154         env_set_ulong(HAB_ENABLED_ENVNAME, imx_hab_is_enabled());
 155 #else
 156         env_set_ulong(HAB_ENABLED_ENVNAME, 0);
 157 #endif
 158
 159 #ifdef CONFIG_SERIAL_TAG
 160         /* Set serial# standard environment variable based on OTP settings */
 161         get_board_serial(&serialnr);
 162         snprintf(serial_string, sizeof(serial_string), "WaRP7-0x%08x%08x",
 163                  serialnr.low, serialnr.high);
 164         env_set("serial#", serial_string);
 165 #endif
 166
 167         return 0;
 168 }