warp7.c
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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2016 NXP Semiconductors
* Author: Fabio Estevam <fabio.estevam@nxp.com>
*/
#include <init.h>
#include <asm/arch/clock.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/mx7-pins.h>
#include <asm/arch/sys_proto.h>
#include <asm/gpio.h>
#include <asm/mach-imx/hab.h>
#include <asm/mach-imx/iomux-v3.h>
#include <asm/io.h>
#include <common.h>
#include <env.h>
#include <asm/arch/crm_regs.h>
#include <netdev.h>
#include <power/pmic.h>
#include <power/pfuze3000_pmic.h>
#include "../freescale/common/pfuze.h"
#include <asm/setup.h>
#include <asm/bootm.h>
DECLARE_GLOBAL_DATA_PTR;
#define UART_PAD_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUS_PU100KOHM | \
PAD_CTL_HYS)
int dram_init(void)
{
gd->ram_size = PHYS_SDRAM_SIZE;
/* Subtract the defined OPTEE runtime firmware length */
#ifdef CONFIG_OPTEE_TZDRAM_SIZE
gd->ram_size -= CONFIG_OPTEE_TZDRAM_SIZE;
#endif
return 0;
}
static iomux_v3_cfg_t const wdog_pads[] = {
MX7D_PAD_GPIO1_IO00__WDOG1_WDOG_B | MUX_PAD_CTRL(NO_PAD_CTRL),
};
static iomux_v3_cfg_t const uart1_pads[] = {
MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
};
static void setup_iomux_uart(void)
{
imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
};
int board_early_init_f(void)
{
setup_iomux_uart();
return 0;
}
#ifdef CONFIG_DM_PMIC
int power_init_board(void)
{
struct udevice *dev;
int ret, dev_id, rev_id;
ret = pmic_get("pfuze3000@8", &dev);
if (ret == -ENODEV)
return 0;
if (ret != 0)
return ret;
dev_id = pmic_reg_read(dev, PFUZE3000_DEVICEID);
rev_id = pmic_reg_read(dev, PFUZE3000_REVID);
printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", dev_id, rev_id);
/* disable Low Power Mode during standby mode */
pmic_reg_write(dev, PFUZE3000_LDOGCTL, 1);
return 0;
}
#endif
int board_eth_init(bd_t *bis)
{
int ret = 0;
#ifdef CONFIG_USB_ETHER
ret = usb_eth_initialize(bis);
if (ret < 0)
printf("Error %d registering USB ether.\n", ret);
#endif
return ret;
}
int board_init(void)
{
/* address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
return 0;
}
int checkboard(void)
{
char *mode;
if (IS_ENABLED(CONFIG_ARMV7_BOOT_SEC_DEFAULT))
mode = "secure";
else
mode = "non-secure";
#ifdef CONFIG_OPTEE_TZDRAM_SIZE
unsigned long optee_start, optee_end;
optee_end = PHYS_SDRAM + PHYS_SDRAM_SIZE;
optee_start = optee_end - CONFIG_OPTEE_TZDRAM_SIZE;
printf("Board: WARP7 in %s mode OPTEE DRAM 0x%08lx-0x%08lx\n",
mode, optee_start, optee_end);
#else
printf("Board: WARP7 in %s mode\n", mode);
#endif
return 0;
}
int board_late_init(void)
{
struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR;
#ifdef CONFIG_SERIAL_TAG
struct tag_serialnr serialnr;
char serial_string[0x20];
#endif
imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
set_wdog_reset(wdog);
/*
* Do not assert internal WDOG_RESET_B_DEB(controlled by bit 4),
* since we use PMIC_PWRON to reset the board.
*/
clrsetbits_le16(&wdog->wcr, 0, 0x10);
#ifdef CONFIG_IMX_HAB
/* Determine HAB state */
env_set_ulong(HAB_ENABLED_ENVNAME, imx_hab_is_enabled());
#else
env_set_ulong(HAB_ENABLED_ENVNAME, 0);
#endif
#ifdef CONFIG_SERIAL_TAG
/* Set serial# standard environment variable based on OTP settings */
get_board_serial(&serialnr);
snprintf(serial_string, sizeof(serial_string), "WaRP7-0x%08x%08x",
serialnr.low, serialnr.high);
env_set("serial#", serial_string);
#endif
return 0;
}