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u-boot/board/congatec/cgtqmx8/cgtqmx8.c
Simon Glass dabaafd345 congatec: Include env.h to permit reading the environment 
This file reads from the environment but does not include the correct
header. Update it.

Drop the unnecessary config.h while we are here.

Signed-off-by: Simon Glass <sjg@chromium.org>
2025-05-01 05:56:47 -06:00

454 lines
12 KiB
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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2018 congatec AG
* Copyright (C) 2019 Oliver Graute <oliver.graute@kococonnector.com>
*/
#include <env.h>
#include <errno.h>
#include <linux/libfdt.h>
#include <fsl_esdhc.h>
#include <init.h>
#include <asm/io.h>
#include <asm/gpio.h>
#include <asm/arch/clock.h>
#include <firmware/imx/sci/sci.h>
#include <asm/arch/imx8-pins.h>
#include <usb.h>
#include <asm/arch/iomux.h>
#include <asm/arch/sys_proto.h>
#include <linux/delay.h>
#include <power-domain.h>
DECLARE_GLOBAL_DATA_PTR;
#define ESDHC_PAD_CTRL ((SC_PAD_CONFIG_NORMAL << PADRING_CONFIG_SHIFT) | \
(SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \
(SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \
(SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
#define ESDHC_CLK_PAD_CTRL ((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | \
(SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \
(SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \
(SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
#define ENET_INPUT_PAD_CTRL ((SC_PAD_CONFIG_OD_IN << PADRING_CONFIG_SHIFT) | \
(SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \
(SC_PAD_28FDSOI_DSE_18V_10MA << PADRING_DSE_SHIFT) | \
(SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
#define ENET_NORMAL_PAD_CTRL ((SC_PAD_CONFIG_NORMAL << PADRING_CONFIG_SHIFT) | \
(SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \
(SC_PAD_28FDSOI_DSE_18V_10MA << PADRING_DSE_SHIFT) | \
(SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
#define FSPI_PAD_CTRL ((SC_PAD_CONFIG_NORMAL << PADRING_CONFIG_SHIFT) | \
(SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \
(SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \
(SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
#define GPIO_PAD_CTRL ((SC_PAD_CONFIG_NORMAL << PADRING_CONFIG_SHIFT) | \
(SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \
(SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \
(SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
#define I2C_PAD_CTRL ((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | \
(SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \
(SC_PAD_28FDSOI_DSE_DV_LOW << PADRING_DSE_SHIFT) | \
(SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
#define UART_PAD_CTRL ((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | \
(SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \
(SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \
(SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
static iomux_cfg_t uart0_pads[] = {
SC_P_UART0_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
SC_P_UART0_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
};
void board_late_mmc_env_init(void);
void init_clk_usdhc(u32 index);
int fsl_esdhc_initialize(struct bd_info *bis, struct fsl_esdhc_cfg *cfg);
static void setup_iomux_uart(void)
{
imx8_iomux_setup_multiple_pads(uart0_pads, ARRAY_SIZE(uart0_pads));
}
int board_early_init_f(void)
{
/* sc_ipc_t ipcHndl = 0; */
int scierr;
/* When start u-boot in XEN VM, directly return */
/* if (IS_ENABLED(CONFIG_XEN)) */
/* return 0; */
/* ipcHndl = gd->arch.ipc_channel_handle; */
/* Power up UART0, this is very early while power domain is not working */
scierr = sc_pm_set_resource_power_mode(-1, SC_R_UART_0, SC_PM_PW_MODE_ON);
if (scierr)
return 0;
/* Set UART0 clock root to 80 MHz */
sc_pm_clock_rate_t rate = 80000000;
scierr = sc_pm_set_clock_rate(-1, SC_R_UART_0, 2, &rate);
if (scierr)
return 0;
/* Enable UART0 clock root */
scierr = sc_pm_clock_enable(-1, SC_R_UART_0, 2, true, false);
if (scierr)
return 0;
setup_iomux_uart();
return 0;
}
#if IS_ENABLED(CONFIG_FSL_ESDHC_IMX)
#define USDHC1_CD_GPIO IMX_GPIO_NR(5, 22)
#define USDHC2_CD_GPIO IMX_GPIO_NR(4, 12)
static struct fsl_esdhc_cfg usdhc_cfg[CFG_SYS_FSL_USDHC_NUM] = {
{USDHC1_BASE_ADDR, 0, 8},
{USDHC2_BASE_ADDR, 0, 4},
{USDHC3_BASE_ADDR, 0, 4},
};
static iomux_cfg_t emmc0[] = {
SC_P_EMMC0_CLK | MUX_PAD_CTRL(ESDHC_CLK_PAD_CTRL),
SC_P_EMMC0_CMD | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_EMMC0_DATA0 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_EMMC0_DATA1 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_EMMC0_DATA2 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_EMMC0_DATA3 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_EMMC0_DATA4 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_EMMC0_DATA5 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_EMMC0_DATA6 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_EMMC0_DATA7 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_EMMC0_RESET_B | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_EMMC0_STROBE | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
};
static iomux_cfg_t usdhc1_sd[] = {
SC_P_USDHC1_CLK | MUX_PAD_CTRL(ESDHC_CLK_PAD_CTRL),
SC_P_USDHC1_CMD | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_USDHC1_DATA0 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_USDHC1_DATA1 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_USDHC1_DATA2 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_USDHC1_DATA3 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_USDHC1_DATA6 | MUX_MODE_ALT(2) | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_USDHC1_DATA7 | MUX_MODE_ALT(3) | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_USDHC1_RESET_B | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_USDHC1_VSELECT | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
};
static iomux_cfg_t usdhc2_sd[] = {
SC_P_USDHC2_CLK | MUX_PAD_CTRL(ESDHC_CLK_PAD_CTRL),
SC_P_USDHC2_CMD | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_USDHC2_DATA0 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_USDHC2_DATA1 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_USDHC2_DATA2 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_USDHC2_DATA3 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_USDHC2_RESET_B | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_USDHC2_VSELECT | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_USDHC2_WP | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_USDHC2_CD_B | MUX_MODE_ALT(3) | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
};
int board_mmc_init(struct bd_info *bis)
{
int i, ret;
struct power_domain pd;
/*
* According to the board_mmc_init() the following map is done:
* (U-Boot device node) (Physical Port)
* mmc0 (onboard eMMC) USDHC1
* mmc1 (external SD card) USDHC2
* mmc2 (onboard uSD) USDHC3
*/
for (i = 0; i < CFG_SYS_FSL_USDHC_NUM; i++) {
switch (i) {
case 0:
/* onboard eMMC */
if (!imx8_power_domain_lookup_name("conn_sdhc0", &pd))
power_domain_on(&pd);
imx8_iomux_setup_multiple_pads(emmc0, ARRAY_SIZE(emmc0));
init_clk_usdhc(0);
usdhc_cfg[i].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
break;
case 1:
/* external SD card */
if (!imx8_power_domain_lookup_name("conn_sdhc1", &pd))
power_domain_on(&pd);
imx8_iomux_setup_multiple_pads(usdhc1_sd, ARRAY_SIZE(usdhc1_sd));
init_clk_usdhc(1);
usdhc_cfg[i].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
gpio_request(USDHC1_CD_GPIO, "sd1_cd");
gpio_direction_input(USDHC1_CD_GPIO);
break;
case 2:
/* onboard uSD */
if (!imx8_power_domain_lookup_name("conn_sdhc2", &pd))
power_domain_on(&pd);
imx8_iomux_setup_multiple_pads(usdhc2_sd, ARRAY_SIZE(usdhc2_sd));
init_clk_usdhc(2);
usdhc_cfg[i].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
gpio_request(USDHC2_CD_GPIO, "sd2_cd");
gpio_direction_input(USDHC2_CD_GPIO);
break;
default:
printf("Warning: you configured more USDHC controllers"
"(%d) than supported by the board\n", i + 1);
return 0;
}
ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
if (ret) {
printf("Warning: failed to initialize mmc dev %d\n", i);
return ret;
}
}
return 0;
}
int board_mmc_getcd(struct mmc *mmc)
{
struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
int ret = 0;
switch (cfg->esdhc_base) {
case USDHC1_BASE_ADDR:
ret = 1;
break;
case USDHC2_BASE_ADDR:
ret = !gpio_get_value(USDHC1_CD_GPIO);
break;
case USDHC3_BASE_ADDR:
ret = !gpio_get_value(USDHC2_CD_GPIO);
break;
}
return ret;
}
#endif /* CONFIG_FSL_ESDHC_IMX */
#if (IS_ENABLED(CONFIG_FEC_MXC))
#include <miiphy.h>
static iomux_cfg_t pad_enet0[] = {
SC_P_ENET0_RGMII_RX_CTL | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
SC_P_ENET0_RGMII_RXD0 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
SC_P_ENET0_RGMII_RXD1 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
SC_P_ENET0_RGMII_RXD2 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
SC_P_ENET0_RGMII_RXD3 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
SC_P_ENET0_RGMII_RXC | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
SC_P_ENET0_RGMII_TX_CTL | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
SC_P_ENET0_RGMII_TXD0 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
SC_P_ENET0_RGMII_TXD1 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
SC_P_ENET0_RGMII_TXD2 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
SC_P_ENET0_RGMII_TXD3 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
SC_P_ENET0_RGMII_TXC | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
SC_P_ENET0_MDC | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
SC_P_ENET0_MDIO | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
};
static void setup_iomux_fec(void)
{
imx8_iomux_setup_multiple_pads(pad_enet0, ARRAY_SIZE(pad_enet0));
}
static void enet_device_phy_reset(void)
{
gpio_set_value(FEC0_RESET, 0);
udelay(50);
gpio_set_value(FEC0_RESET, 1);
/* The board has a long delay for this reset to become stable */
mdelay(200);
}
int board_eth_init(struct bd_info *bis)
{
setup_iomux_fec();
return 0;
}
int board_phy_config(struct phy_device *phydev)
{
phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f);
phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8);
phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x00);
phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x82ee);
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;
}
static int setup_fec(void)
{
/* Reset ENET PHY */
enet_device_phy_reset();
return 0;
}
#endif
#ifdef CONFIG_MXC_GPIO
#define LVDS_ENABLE IMX_GPIO_NR(1, 6)
#define BKL_ENABLE IMX_GPIO_NR(1, 7)
static iomux_cfg_t board_gpios[] = {
SC_P_LVDS0_I2C0_SCL | MUX_MODE_ALT(3) | MUX_PAD_CTRL(GPIO_PAD_CTRL),
SC_P_LVDS0_I2C0_SDA | MUX_MODE_ALT(3) | MUX_PAD_CTRL(GPIO_PAD_CTRL),
SC_P_ESAI1_FST | MUX_MODE_ALT(3) | MUX_PAD_CTRL(GPIO_PAD_CTRL),
};
static void board_gpio_init(void)
{
imx8_iomux_setup_multiple_pads(board_gpios, ARRAY_SIZE(board_gpios));
/* enable LVDS */
gpio_request(LVDS_ENABLE, "lvds_enable");
gpio_direction_output(LVDS_ENABLE, 1);
/* enable backlight */
gpio_request(BKL_ENABLE, "bkl_enable");
gpio_direction_output(BKL_ENABLE, 1);
/* ethernet reset */
gpio_request(FEC0_RESET, "enet0_reset");
gpio_direction_output(FEC0_RESET, 1);
}
#endif
int checkboard(void)
{
puts("Board: conga-QMX8\n");
build_info();
print_bootinfo();
return 0;
}
int board_init(void)
{
if (IS_ENABLED(CONFIG_XEN))
return 0;
#ifdef CONFIG_MXC_GPIO
board_gpio_init();
#endif
#if (IS_ENABLED(CONFIG_FEC_MXC))
setup_fec();
#endif
return 0;
}
void detail_board_ddr_info(void)
{
puts("\nDDR ");
}
#ifdef CONFIG_OF_BOARD_SETUP
int ft_board_setup(void *blob, struct bd_info *bd)
{
return 0;
}
#endif
int board_mmc_get_env_dev(int devno)
{
/* Use EMMC */
if (IS_ENABLED(CONFIG_XEN))
return 0;
return devno;
}
int mmc_map_to_kernel_blk(int dev_no)
{
/* Use EMMC */
if (IS_ENABLED(CONFIG_XEN))
return 0;
return dev_no;
}
extern u32 _end_ofs;
int board_late_init(void)
{
#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
env_set("board_name", "QMX8");
env_set("board_rev", "iMX8QM");
#endif
env_set("sec_boot", "no");
#ifdef CONFIG_AHAB_BOOT
env_set("sec_boot", "yes");
#endif
#ifdef CONFIG_ENV_IS_IN_MMC
board_late_mmc_env_init();
#endif
#ifdef IMX_LOAD_HDMI_FIMRWARE
char *end_of_uboot;
char command[256];
end_of_uboot = (char *)(ulong)(CONFIG_TEXT_BASE + _end_ofs
+ fdt_totalsize(gd->fdt_blob));
end_of_uboot += 9;
/* load hdmitxfw.bin and hdmirxfw.bin*/
memcpy(IMX_HDMI_FIRMWARE_LOAD_ADDR, end_of_uboot,
IMX_HDMITX_FIRMWARE_SIZE + IMX_HDMIRX_FIRMWARE_SIZE);
sprintf(command, "hdp load 0x%x", IMX_HDMI_FIRMWARE_LOAD_ADDR);
run_command(command, 0);
sprintf(command, "hdprx load 0x%x",
IMX_HDMI_FIRMWARE_LOAD_ADDR + IMX_HDMITX_FIRMWARE_SIZE);
run_command(command, 0);
#endif
return 0;
}
#ifdef CONFIG_FSL_FASTBOOT
#ifdef CONFIG_ANDROID_RECOVERY
int is_recovery_key_pressing(void)
{
return 0; /*TODO*/
}
#endif /*CONFIG_ANDROID_RECOVERY*/
#endif /*CONFIG_FSL_FASTBOOT*/
/* Only Enable USB3 resources currently */
int board_usb_init(int index, enum usb_init_type init)
{
return 0;
}
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