blob: 5423bfdb0d850e2f73016a3df8ea3749d0463f4f [file] [log] [blame]
/*
* Copyright 2016 Freescale Semiconductor, Inc.
* Copyright 2017 NXP
* Copyright 2019 Google LLC
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <malloc.h>
#include <errno.h>
#include <asm/io.h>
#include <miiphy.h>
#include <netdev.h>
#include <dm.h>
#include <asm/mach-imx/iomux-v3.h>
#include <asm/mach-imx/boot_mode.h>
#include <asm-generic/gpio.h>
#include <fsl_esdhc.h>
#include <mmc.h>
#include <asm/arch/imx8mq_pins.h>
#include <asm/arch/sys_proto.h>
#include <asm/mach-imx/gpio.h>
#include <asm/mach-imx/mxc_i2c.h>
#include <asm/arch/clock.h>
#include <spl.h>
#include <power/pmic.h>
#include <usb.h>
#include <dwc3-uboot.h>
#include "board_id.h"
DECLARE_GLOBAL_DATA_PTR;
#define QSPI_PAD_CTRL (PAD_CTL_DSE2 | PAD_CTL_HYS)
#define UART_PAD_CTRL (PAD_CTL_DSE6 | PAD_CTL_FSEL1)
#define WDOG_PAD_CTRL (PAD_CTL_DSE6 | PAD_CTL_HYS | PAD_CTL_PUE)
static iomux_v3_cfg_t const wdog_pads[] = {
IMX8MQ_PAD_GPIO1_IO02__WDOG1_WDOG_B | MUX_PAD_CTRL(WDOG_PAD_CTRL),
};
#ifdef CONFIG_FSL_QSPI
static iomux_v3_cfg_t const qspi_pads[] = {
IMX8MQ_PAD_NAND_ALE__QSPI_A_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL),
IMX8MQ_PAD_NAND_CE0_B__QSPI_A_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL),
IMX8MQ_PAD_NAND_DATA00__QSPI_A_DATA0 | MUX_PAD_CTRL(QSPI_PAD_CTRL),
IMX8MQ_PAD_NAND_DATA01__QSPI_A_DATA1 | MUX_PAD_CTRL(QSPI_PAD_CTRL),
IMX8MQ_PAD_NAND_DATA02__QSPI_A_DATA2 | MUX_PAD_CTRL(QSPI_PAD_CTRL),
IMX8MQ_PAD_NAND_DATA03__QSPI_A_DATA3 | MUX_PAD_CTRL(QSPI_PAD_CTRL),
};
int board_qspi_init(void)
{
imx_iomux_v3_setup_multiple_pads(qspi_pads, ARRAY_SIZE(qspi_pads));
set_clk_qspi();
return 0;
}
#endif
static iomux_v3_cfg_t const uart_pads[] = {
IMX8MQ_PAD_UART1_RXD__UART1_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
IMX8MQ_PAD_UART1_TXD__UART1_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
};
int board_early_init_f(void)
{
struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR;
imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
set_wdog_reset(wdog);
imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));
return 0;
}
#ifdef CONFIG_BOARD_POSTCLK_INIT
int board_postclk_init(void)
{
/* TODO */
return 0;
}
#endif
int dram_init(void)
{
/* rom_pointer[1] contains the size of TEE occupies */
// need to call function to get ram size
if (rom_pointer[1])
gd->ram_size = get_ddr_size() - rom_pointer[1];
else
gd->ram_size = get_ddr_size();
return 0;
}
#ifdef CONFIG_OF_BOARD_SETUP
int ft_board_setup(void *blob, bd_t *bd)
{
return 0;
}
#endif
/* Get the top of usable RAM */
ulong board_get_usable_ram_top(ulong total_size)
{
if(gd->ram_top > 0x100000000)
gd->ram_top = 0x100000000;
return gd->ram_top;
}
#ifdef CONFIG_FEC_MXC
#define FEC_RST_PAD IMX_GPIO_NR(1, 9)
static iomux_v3_cfg_t const fec1_rst_pads[] = {
IMX8MQ_PAD_GPIO1_IO09__GPIO1_IO9 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
static void setup_iomux_fec(void)
{
imx_iomux_v3_setup_multiple_pads(fec1_rst_pads, ARRAY_SIZE(fec1_rst_pads));
gpio_request(IMX_GPIO_NR(1, 9), "fec1_rst");
gpio_direction_output(IMX_GPIO_NR(1, 9), 0);
udelay(500);
gpio_direction_output(IMX_GPIO_NR(1, 9), 1);
}
static int setup_fec(void)
{
struct iomuxc_gpr_base_regs *gpr =
(struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR;
setup_iomux_fec();
/* Use 125M anatop REF_CLK1 for ENET1, not from external */
clrsetbits_le32(&gpr->gpr[1],
IOMUXC_GPR_GPR1_GPR_ENET1_TX_CLK_SEL_MASK, 0);
return set_clk_enet(ENET_125MHZ);
}
int board_phy_config(struct phy_device *phydev)
{
/* enable rgmii rxc skew and phy mode select to RGMII copper */
phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f);
phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8);
phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100);
if (phydev->drv->config)
phydev->drv->config(phydev);
return 0;
}
#endif
#ifdef CONFIG_USB_DWC3
int usb_gadget_handle_interrupts(void)
{
dwc3_uboot_handle_interrupt(0);
return 0;
}
#endif
#ifndef CONFIG_SPL_BUILD
#ifdef CONFIG_USB_DWC3
#define USB_PHY_CTRL0 0xF0040
#define USB_PHY_CTRL0_REF_SSP_EN BIT(2)
#define USB_PHY_CTRL1 0xF0044
#define USB_PHY_CTRL1_RESET BIT(0)
#define USB_PHY_CTRL1_COMMONONN BIT(1)
#define USB_PHY_CTRL1_ATERESET BIT(3)
#define USB_PHY_CTRL1_VDATSRCENB0 BIT(19)
#define USB_PHY_CTRL1_VDATDETENB0 BIT(20)
#define USB_PHY_CTRL2 0xF0048
#define USB_PHY_CTRL2_TXENABLEN0 BIT(8)
#define PTN5150A_BUS 2
#define PTN5150A_ADDR 0x3D
#define PTN5150A_CONTROL 0x2
#define PTN5150A_CONTROL_PORT_MASK 0x6
static struct dwc3_device dwc3_device_data = {
.maximum_speed = USB_SPEED_SUPER,
.base = USB1_BASE_ADDR,
.dr_mode = USB_DR_MODE_PERIPHERAL,
.index = 0,
.power_down_scale = 2,
};
static void dwc3_nxp_usb_phy_init(struct dwc3_device *dwc3)
{
u32 RegData;
RegData = readl(dwc3->base + USB_PHY_CTRL1);
RegData &= ~(USB_PHY_CTRL1_VDATSRCENB0 | USB_PHY_CTRL1_VDATDETENB0 |
USB_PHY_CTRL1_COMMONONN);
RegData |= USB_PHY_CTRL1_RESET | USB_PHY_CTRL1_ATERESET;
writel(RegData, dwc3->base + USB_PHY_CTRL1);
RegData = readl(dwc3->base + USB_PHY_CTRL0);
RegData |= USB_PHY_CTRL0_REF_SSP_EN;
writel(RegData, dwc3->base + USB_PHY_CTRL0);
RegData = readl(dwc3->base + USB_PHY_CTRL2);
RegData |= USB_PHY_CTRL2_TXENABLEN0;
writel(RegData, dwc3->base + USB_PHY_CTRL2);
RegData = readl(dwc3->base + USB_PHY_CTRL1);
RegData &= ~(USB_PHY_CTRL1_RESET | USB_PHY_CTRL1_ATERESET);
writel(RegData, dwc3->base + USB_PHY_CTRL1);
}
static void configure_cc_switch(void) {
uint8_t value;
int ret;
struct udevice *bus, *dev;
ret = uclass_get_device_by_seq(UCLASS_I2C, PTN5150A_BUS, &bus);
if (ret) {
printf("%s: No bus %d\n", __func__, PTN5150A_BUS);
return;
}
ret = dm_i2c_probe(bus, PTN5150A_ADDR, 0, &dev);
if (ret) {
printf("%s: Can't find device id=0x%x, on bus %d\n",
__func__, PTN5150A_ADDR, PTN5150A_BUS);
return;
}
if (dm_i2c_read(dev, PTN5150A_CONTROL, &value, 1)) {
printf("Unable to configure USB switch");
return;
}
value &= ~PTN5150A_CONTROL_PORT_MASK;
if (dm_i2c_write(dev, PTN5150A_CONTROL, &value, 1)) {
printf("Unable to configure USB switch");
return;
}
printf("Configured USB Switch for UFP\n");
}
#endif
#if defined(CONFIG_USB_DWC3) || defined(CONFIG_USB_XHCI_IMX8M)
int board_usb_init(int index, enum usb_init_type init)
{
imx8m_usb_power(index, true);
#ifdef CONFIG_USB_DWC3
/* Explicitly set USB switch to UFP (device) to ensure proper
* fastboot operation on type-C ports. */
configure_cc_switch();
#endif
if (index == 0 && init == USB_INIT_DEVICE) {
dwc3_nxp_usb_phy_init(&dwc3_device_data);
return dwc3_uboot_init(&dwc3_device_data);
}
return 0;
}
int board_usb_cleanup(int index, enum usb_init_type init)
{
if (index == 0 && init == USB_INIT_DEVICE) {
dwc3_uboot_exit(index);
}
imx8m_usb_power(index, false);
return 0;
}
#endif
#endif
int board_init(void)
{
board_qspi_init();
#ifdef CONFIG_FEC_MXC
setup_fec();
#endif
return 0;
}
/* For boot configuration, we need to use the bootstrap info from the ROM.
* This function already exists in soc.c but relies on board_mmc_get_env_dev.
* For Phanbell, this will always yield the eMMC. To ensure we boot the
* bootstrapped device, use this in board_late_init.
*/
static int board_get_rom_mmc_dev(void) {
struct bootrom_sw_info **p = ROM_SW_INFO_ADDR;
int devno = (*p)->boot_dev_instance;
u8 boot_type = (*p)->boot_dev_type;
/* If not boot from sd/mmc, use default value */
if ((boot_type != BOOT_TYPE_SD) && (boot_type != BOOT_TYPE_MMC))
return CONFIG_SYS_MMC_ENV_DEV;
return devno;
}
int board_mmc_get_env_dev(int devno)
{
/*
* This is used for determining which MMC fastboot will flash.
* For Phanbell, we should always flash the eMMC even if booting
* SD. This way SD can be used for recovery.
*/
return CONFIG_SYS_MMC_ENV_DEV;
}
int board_late_init(void)
{
char s[32] = {0};
int mmc_dev = board_get_rom_mmc_dev();
struct mmc *fastboot_mmc = find_mmc_device(CONFIG_SYS_MMC_ENV_DEV);
if (fastboot_mmc) {
snprintf(s, sizeof(s), "%llu", fastboot_mmc->capacity_user);
env_set("fastboot.mmc_size", s);
}
#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
env_set("board_name", "Phanbell");
env_set("board_rev", "iMX8MQ");
#endif
static char bootdev[32];
static char bootcmd[128];
snprintf(bootdev, sizeof(bootdev), "%d", mmc_get_env_dev());
env_set("bootdev", bootdev);
snprintf(bootcmd, sizeof(bootcmd), "ext2load mmc %d:1 ${loadaddr} boot.scr; source; boota mmc0 boot_a", mmc_dev);
env_set("bootcmd", bootcmd);
#ifdef CONFIG_ENV_IS_IN_MMC
board_late_mmc_env_init();
#endif
return 0;
}
#ifdef CONFIG_FSL_FASTBOOT
#ifdef CONFIG_ANDROID_RECOVERY
int is_recovery_key_pressing(void)
{
return 0; /*TODO*/
}
#endif /*CONFIG_ANDROID_RECOVERY*/
int fastboot_set_reboot_flag(void)
{
// Nothing needs to be done for phanbell
return 0;
}
#endif /*CONFIG_FSL_FASTBOOT*/