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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2017-2018 NXP
*/
#include <common.h>
#include <malloc.h>
#include <errno.h>
#include <netdev.h>
#include <fsl_ifc.h>
#include <fdt_support.h>
#include <linux/libfdt.h>
#include <environment.h>
#include <fsl_esdhc.h>
#include <i2c.h>
#include <asm/io.h>
#include <asm/gpio.h>
#include <asm/arch/clock.h>
#include <asm/arch/sci/sci.h>
#include <asm/arch/imx8-pins.h>
#include <dm.h>
#include <imx8_hsio.h>
#include <usb.h>
#include <asm/arch/iomux.h>
#include <asm/arch/sys_proto.h>
#include <asm/mach-imx/video.h>
#include <asm/arch/video_common.h>
#include <power-domain.h>
#include "../common/tcpc.h"
#include <cdns3-uboot.h>
#include <asm/arch/lpcg.h>
#include <bootm.h>
DECLARE_GLOBAL_DATA_PTR;
#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 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 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),
};
static void setup_iomux_uart(void)
{
imx8_iomux_setup_multiple_pads(uart0_pads, ARRAY_SIZE(uart0_pads));
}
int board_early_init_f(void)
{
int ret;
/* When start u-boot in XEN VM, directly return */
if (IS_ENABLED(CONFIG_XEN)) {
writel(0xF53535F5, (void __iomem *)0x80000000);
return 0;
}
/* Set UART0 clock root to 80 MHz */
sc_pm_clock_rate_t rate = 80000000;
/* Power up UART0 */
ret = sc_pm_set_resource_power_mode(-1, SC_R_UART_0, SC_PM_PW_MODE_ON);
if (ret)
return ret;
ret = sc_pm_set_clock_rate(-1, SC_R_UART_0, 2, &rate);
if (ret)
return ret;
/* Enable UART0 clock root */
ret = sc_pm_clock_enable(-1, SC_R_UART_0, 2, true, false);
if (ret)
return ret;
lpcg_all_clock_on(LPUART_0_LPCG);
setup_iomux_uart();
return 0;
}
#if IS_ENABLED(CONFIG_FEC_MXC)
#include <miiphy.h>
#ifndef CONFIG_DM_ETH
static iomux_cfg_t pad_enet1[] = {
SC_P_ENET1_RGMII_RX_CTL | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
SC_P_ENET1_RGMII_RXD0 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
SC_P_ENET1_RGMII_RXD1 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
SC_P_ENET1_RGMII_RXD2 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
SC_P_ENET1_RGMII_RXD3 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
SC_P_ENET1_RGMII_RXC | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
SC_P_ENET1_RGMII_TX_CTL | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
SC_P_ENET1_RGMII_TXD0 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
SC_P_ENET1_RGMII_TXD1 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
SC_P_ENET1_RGMII_TXD2 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
SC_P_ENET1_RGMII_TXD3 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
SC_P_ENET1_RGMII_TXC | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
/* Shared MDIO */
SC_P_ENET0_MDC | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
SC_P_ENET0_MDIO | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
};
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),
/* Shared MDIO */
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)
{
if (0 == CONFIG_FEC_ENET_DEV)
imx8_iomux_setup_multiple_pads(pad_enet0, ARRAY_SIZE(pad_enet0));
else
imx8_iomux_setup_multiple_pads(pad_enet1, ARRAY_SIZE(pad_enet1));
}
int board_eth_init(bd_t *bis)
{
int ret;
struct power_domain pd;
printf("[%s] %d\n", __func__, __LINE__);
if (CONFIG_FEC_ENET_DEV) {
if (!power_domain_lookup_name("conn_enet1", &pd))
power_domain_on(&pd);
} else {
if (!power_domain_lookup_name("conn_enet0", &pd))
power_domain_on(&pd);
}
setup_iomux_fec();
ret = fecmxc_initialize_multi(bis, CONFIG_FEC_ENET_DEV,
CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE);
if (ret)
printf("FEC1 MXC: %s:failed\n", __func__);
return ret;
}
#endif
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;
}
#endif
#define LVDS_ENABLE IMX_GPIO_NR(1, 6)
#define MIPI_ENABLE IMX_GPIO_NR(1, 7)
#define BB_GPIO_3V3_1 IMX_GPIO_NR(4, 20)
#define BB_GPIO_3V3_2 IMX_GPIO_NR(4, 24)
#define BB_GPIO_3V3_3 IMX_GPIO_NR(4, 23)
static void board_gpio_init(void)
{
/* Enable BB 3V3 */
gpio_request(BB_GPIO_3V3_1, "bb_3v3_1");
gpio_direction_output(BB_GPIO_3V3_1, 1);
gpio_request(BB_GPIO_3V3_2, "bb_3v3_2");
gpio_direction_output(BB_GPIO_3V3_2, 1);
gpio_request(BB_GPIO_3V3_3, "bb_3v3_3");
gpio_direction_output(BB_GPIO_3V3_3, 1);
/* enable LVDS SAS boards */
gpio_request(LVDS_ENABLE, "lvds_enable");
gpio_direction_output(LVDS_ENABLE, 1);
/* enable MIPI SAS boards */
gpio_request(MIPI_ENABLE, "mipi_enable");
gpio_direction_output(MIPI_ENABLE, 1);
}
int checkboard(void)
{
puts("Board: iMX8QM MEK\n");
print_bootinfo();
return 0;
}
#ifdef CONFIG_FSL_HSIO
#define PCIE_PAD_CTRL ((SC_PAD_CONFIG_OD_IN << PADRING_CONFIG_SHIFT))
static iomux_cfg_t board_pcie_pins[] = {
SC_P_PCIE_CTRL0_CLKREQ_B | MUX_MODE_ALT(0) | MUX_PAD_CTRL(PCIE_PAD_CTRL),
SC_P_PCIE_CTRL0_WAKE_B | MUX_MODE_ALT(0) | MUX_PAD_CTRL(PCIE_PAD_CTRL),
SC_P_PCIE_CTRL0_PERST_B | MUX_MODE_ALT(0) | MUX_PAD_CTRL(PCIE_PAD_CTRL),
};
static void imx8qm_hsio_initialize(void)
{
struct power_domain pd;
int ret;
if (!power_domain_lookup_name("hsio_sata0", &pd)) {
ret = power_domain_on(&pd);
if (ret)
printf("hsio_sata0 Power up failed! (error = %d)\n", ret);
}
if (!power_domain_lookup_name("hsio_pcie0", &pd)) {
ret = power_domain_on(&pd);
if (ret)
printf("hsio_pcie0 Power up failed! (error = %d)\n", ret);
}
if (!power_domain_lookup_name("hsio_pcie1", &pd)) {
ret = power_domain_on(&pd);
if (ret)
printf("hsio_pcie1 Power up failed! (error = %d)\n", ret);
}
if (!power_domain_lookup_name("hsio_gpio", &pd)) {
ret = power_domain_on(&pd);
if (ret)
printf("hsio_gpio Power up failed! (error = %d)\n", ret);
}
lpcg_all_clock_on(HSIO_PCIE_X2_LPCG);
lpcg_all_clock_on(HSIO_PCIE_X1_LPCG);
lpcg_all_clock_on(HSIO_SATA_LPCG);
lpcg_all_clock_on(HSIO_PHY_X2_LPCG);
lpcg_all_clock_on(HSIO_PHY_X1_LPCG);
lpcg_all_clock_on(HSIO_PHY_X2_CRR0_LPCG);
lpcg_all_clock_on(HSIO_PHY_X1_CRR1_LPCG);
lpcg_all_clock_on(HSIO_PCIE_X2_CRR2_LPCG);
lpcg_all_clock_on(HSIO_PCIE_X1_CRR3_LPCG);
lpcg_all_clock_on(HSIO_SATA_CRR4_LPCG);
lpcg_all_clock_on(HSIO_MISC_LPCG);
lpcg_all_clock_on(HSIO_GPIO_LPCG);
imx8_iomux_setup_multiple_pads(board_pcie_pins, ARRAY_SIZE(board_pcie_pins));
}
void pci_init_board(void)
{
/* test the 1 lane mode of the PCIe A controller */
mx8qm_pcie_init();
}
#endif
#ifdef CONFIG_USB
#ifdef CONFIG_USB_TCPC
#define USB_TYPEC_SEL IMX_GPIO_NR(4, 6)
#define USB_TYPEC_EN IMX_GPIO_NR(4, 19)
static iomux_cfg_t ss_mux_gpio[] = {
SC_P_USB_SS3_TC3 | MUX_MODE_ALT(3) | MUX_PAD_CTRL(GPIO_PAD_CTRL),
SC_P_QSPI1A_SS0_B | MUX_MODE_ALT(3) | MUX_PAD_CTRL(GPIO_PAD_CTRL),
};
struct tcpc_port port;
struct tcpc_port_config port_config = {
.i2c_bus = 0,
.addr = 0x51,
.port_type = TYPEC_PORT_DFP,
};
void ss_mux_select(enum typec_cc_polarity pol)
{
if (pol == TYPEC_POLARITY_CC1)
gpio_direction_output(USB_TYPEC_SEL, 0);
else
gpio_direction_output(USB_TYPEC_SEL, 1);
}
static void setup_typec(void)
{
imx8_iomux_setup_multiple_pads(ss_mux_gpio, ARRAY_SIZE(ss_mux_gpio));
gpio_request(USB_TYPEC_SEL, "typec_sel");
gpio_request(USB_TYPEC_EN, "typec_en");
gpio_direction_output(USB_TYPEC_EN, 1);
tcpc_init(&port, port_config, &ss_mux_select);
}
#endif
#ifdef CONFIG_USB_CDNS3_GADGET
static struct cdns3_device cdns3_device_data = {
.none_core_base = 0x5B110000,
.xhci_base = 0x5B130000,
.dev_base = 0x5B140000,
.phy_base = 0x5B160000,
.otg_base = 0x5B120000,
.dr_mode = USB_DR_MODE_PERIPHERAL,
.index = 1,
};
int usb_gadget_handle_interrupts(int index)
{
cdns3_uboot_handle_interrupt(index);
return 0;
}
#endif
int board_usb_init(int index, enum usb_init_type init)
{
int ret = 0;
if (index == 1) {
if (init == USB_INIT_HOST) {
#ifdef CONFIG_USB_TCPC
ret = tcpc_setup_dfp_mode(&port);
#endif
#ifdef CONFIG_USB_CDNS3_GADGET
} else {
#ifdef CONFIG_SPL_BUILD
ret = sc_pm_set_resource_power_mode(-1, SC_R_USB_2, SC_PM_PW_MODE_ON);
if (ret != SC_ERR_NONE)
printf("conn_usb2 Power up failed! (error = %d)\n", ret);
ret = sc_pm_set_resource_power_mode(-1, SC_R_USB_2_PHY, SC_PM_PW_MODE_ON);
if (ret != SC_ERR_NONE)
printf("conn_usb2_phy Power up failed! (error = %d)\n", ret);
#else
struct power_domain pd;
int ret;
if (!power_domain_lookup_name("conn_usb2_phy", &pd)) {
ret = power_domain_on(&pd);
if (ret)
printf("conn_usb2_phy Power up failed! (error = %d)\n", ret);
}
/* Power on usb */
if (!power_domain_lookup_name("conn_usb2", &pd)) {
ret = power_domain_on(&pd);
if (ret)
printf("conn_usb2 Power up failed! (error = %d)\n", ret);
}
#endif
#ifdef CONFIG_USB_TCPC
ret = tcpc_setup_ufp_mode(&port);
printf("%d setufp mode %d\n", index, ret);
#endif
ret = cdns3_uboot_init(&cdns3_device_data);
printf("%d cdns3_uboot_initmode %d\n", index, ret);
#endif
}
}
return ret;
}
int board_usb_cleanup(int index, enum usb_init_type init)
{
int ret = 0;
if (index == 1) {
if (init == USB_INIT_HOST) {
#ifdef CONFIG_USB_TCPC
ret = tcpc_disable_src_vbus(&port);
#endif
#ifdef CONFIG_USB_CDNS3_GADGET
} else {
cdns3_uboot_exit(1);
#ifdef CONFIG_SPL_BUILD
ret = sc_pm_set_resource_power_mode(-1, SC_R_USB_2, SC_PM_PW_MODE_OFF);
if (ret != SC_ERR_NONE)
printf("conn_usb2 Power down failed! (error = %d)\n", ret);
ret = sc_pm_set_resource_power_mode(-1, SC_R_USB_2_PHY, SC_PM_PW_MODE_OFF);
if (ret != SC_ERR_NONE)
printf("conn_usb2_phy Power down failed! (error = %d)\n", ret);
#else
struct power_domain pd;
int ret;
/* Power off usb */
if (!power_domain_lookup_name("conn_usb2_phy", &pd)) {
ret = power_domain_off(&pd);
if (ret)
printf("conn_usb2_phy Power down failed! (error = %d)\n", ret);
}
if (!power_domain_lookup_name("conn_usb2", &pd)) {
ret = power_domain_off(&pd);
if (ret)
printf("conn_usb2 Power down failed! (error = %d)\n", ret);
}
#endif
#endif
}
}
return ret;
}
#endif
int board_init(void)
{
board_gpio_init();
#ifdef CONFIG_FSL_HSIO
imx8qm_hsio_initialize();
#ifdef CONFIG_SCSI_AHCI_PLAT
sata_init();
#endif
#endif
#if defined(CONFIG_USB) && defined(CONFIG_USB_TCPC)
setup_typec();
#endif
return 0;
}
void board_quiesce_devices(void)
{
const char *power_on_devices[] = {
"dma_lpuart0",
};
if (IS_ENABLED(CONFIG_XEN)) {
/* Clear magic number to let xen know uboot is over */
writel(0x0, (void __iomem *)0x80000000);
return;
}
power_off_pd_devices(power_on_devices, ARRAY_SIZE(power_on_devices));
}
void detail_board_ddr_info(void)
{
puts("\nDDR ");
}
/*
* Board specific reset that is system reset.
*/
void reset_cpu(ulong addr)
{
/* TODO */
}
#ifdef CONFIG_OF_BOARD_SETUP
int ft_board_setup(void *blob, bd_t *bd)
{
return 0;
}
#endif
int board_late_init(void)
{
char *fdt_file;
bool m4_boot;
#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
env_set("board_name", "MEK");
env_set("board_rev", "iMX8QM");
#endif
env_set("sec_boot", "no");
#ifdef CONFIG_AHAB_BOOT
env_set("sec_boot", "yes");
#endif
fdt_file = env_get("fdt_file");
m4_boot = check_m4_parts_boot();
if (fdt_file && !strcmp(fdt_file, "undefined")) {
if (m4_boot)
env_set("fdt_file", "fsl-imx8qm-mek-rpmsg.dtb");
else
env_set("fdt_file", "fsl-imx8qm-mek.dtb");
}
#ifdef CONFIG_ENV_IS_IN_MMC
board_late_mmc_env_init();
#endif
return 0;
}
#if defined(CONFIG_VIDEO_IMXDPUV1)
static void enable_lvds(struct display_info_t const *dev)
{
display_controller_setup((PS2KHZ(dev->mode.pixclock) * 1000));
lvds_soc_setup(dev->bus, (PS2KHZ(dev->mode.pixclock) * 1000));
lvds_configure(dev->bus);
lvds2hdmi_setup(6);
}
struct display_info_t const displays[] = {{
.bus = 0, /* LVDS0 */
.addr = 0, /* Unused */
.pixfmt = IMXDPUV1_PIX_FMT_BGRA32,
.detect = NULL,
.enable = enable_lvds,
.mode = {
.name = "IT6263", /* 720P60 */
.refresh = 60,
.xres = 1280,
.yres = 720,
.pixclock = 13468, /* 74250000 */
.left_margin = 110,
.right_margin = 220,
.upper_margin = 5,
.lower_margin = 20,
.hsync_len = 40,
.vsync_len = 5,
.sync = FB_SYNC_EXT,
.vmode = FB_VMODE_NONINTERLACED
} } };
size_t display_count = ARRAY_SIZE(displays);
#endif /* CONFIG_VIDEO_IMXDPUV1 */