LXR uboot/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
  26DECLARE_GLOBAL_DATA_PTR;
  27
  28#define UART_PAD_CTRL  (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUS_PU100KOHM | \
  29                        PAD_CTL_HYS)
  30
  31int 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
  43static iomux_v3_cfg_t const wdog_pads[] = {
  44        MX7D_PAD_GPIO1_IO00__WDOG1_WDOG_B | MUX_PAD_CTRL(NO_PAD_CTRL),
  45};
  46
  47static 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
  52static void setup_iomux_uart(void)
  53{
  54        imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
  55};
  56
  57int board_early_init_f(void)
  58{
  59        setup_iomux_uart();
  60
  61        return 0;
  62}
  63
  64#ifdef CONFIG_DM_PMIC
  65int power_init_board(void)
  66{
  67        struct udevice *dev;
  68        int ret, dev_id, rev_id;
  69
  70        ret = pmic_get("pfuze3000", &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
  87int 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
 100int board_init(void)
 101{
 102        /* address of boot parameters */
 103        gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 104
 105        return 0;
 106}
 107
 108int 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
 132int 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}
 167