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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2017-2019 NXP
*/
#include <common.h>
#include <malloc.h>
#include <errno.h>
#include <asm/io.h>
#include <miiphy.h>
#include <netdev.h>
#include <asm/mach-imx/iomux-v3.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 <power/pfuze100_pmic.h>
#include "../common/pfuze.h"
#include <usb.h>
#include <dwc3-uboot.h>
DECLARE_GLOBAL_DATA_PTR;
#define NAND_PAD_CTRL (PAD_CTL_DSE6 | PAD_CTL_FSEL2 | PAD_CTL_HYS)
#define NAND_PAD_READY0_CTRL (PAD_CTL_DSE6 | PAD_CTL_FSEL2 | PAD_CTL_PUE)
#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
int board_qspi_init(void)
{
set_clk_qspi();
return 0;
}
#endif
#ifdef CONFIG_NAND_MXS
#ifdef CONFIG_SPL_BUILD
static iomux_v3_cfg_t const gpmi_pads[] = {
IMX8MQ_PAD_NAND_ALE__RAWNAND_ALE | MUX_PAD_CTRL(NAND_PAD_CTRL),
IMX8MQ_PAD_NAND_CE0_B__RAWNAND_CE0_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
IMX8MQ_PAD_NAND_CLE__RAWNAND_CLE | MUX_PAD_CTRL(NAND_PAD_CTRL),
IMX8MQ_PAD_NAND_DATA00__RAWNAND_DATA00 | MUX_PAD_CTRL(NAND_PAD_CTRL),
IMX8MQ_PAD_NAND_DATA01__RAWNAND_DATA01 | MUX_PAD_CTRL(NAND_PAD_CTRL),
IMX8MQ_PAD_NAND_DATA02__RAWNAND_DATA02 | MUX_PAD_CTRL(NAND_PAD_CTRL),
IMX8MQ_PAD_NAND_DATA03__RAWNAND_DATA03 | MUX_PAD_CTRL(NAND_PAD_CTRL),
IMX8MQ_PAD_NAND_DATA04__RAWNAND_DATA04 | MUX_PAD_CTRL(NAND_PAD_CTRL),
IMX8MQ_PAD_NAND_DATA05__RAWNAND_DATA05 | MUX_PAD_CTRL(NAND_PAD_CTRL),
IMX8MQ_PAD_NAND_DATA06__RAWNAND_DATA06 | MUX_PAD_CTRL(NAND_PAD_CTRL),
IMX8MQ_PAD_NAND_DATA07__RAWNAND_DATA07 | MUX_PAD_CTRL(NAND_PAD_CTRL),
IMX8MQ_PAD_NAND_RE_B__RAWNAND_RE_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
IMX8MQ_PAD_NAND_READY_B__RAWNAND_READY_B | MUX_PAD_CTRL(NAND_PAD_READY0_CTRL),
IMX8MQ_PAD_NAND_WE_B__RAWNAND_WE_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
IMX8MQ_PAD_NAND_WP_B__RAWNAND_WP_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
};
#endif
static void setup_gpmi_nand(void)
{
#ifdef CONFIG_SPL_BUILD
imx_iomux_v3_setup_multiple_pads(gpmi_pads, ARRAY_SIZE(gpmi_pads));
#endif
init_nand_clk();
}
#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));
#ifdef CONFIG_NAND_MXS
setup_gpmi_nand(); /* SPL will call the board_early_init_f */
#endif
return 0;
}
int dram_init(void)
{
/* rom_pointer[1] contains the size of TEE occupies */
if (rom_pointer[1])
gd->ram_size = PHYS_SDRAM_SIZE - rom_pointer[1];
else
gd->ram_size = PHYS_SDRAM_SIZE;
#if CONFIG_NR_DRAM_BANKS > 1
gd->ram_size += PHYS_SDRAM_2_SIZE;
#endif
return 0;
}
int dram_init_banksize(void)
{
gd->bd->bi_dram[0].start = PHYS_SDRAM;
if (rom_pointer[1])
gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE -rom_pointer[1];
else
gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
#if CONFIG_NR_DRAM_BANKS > 1
gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
#endif
return 0;
}
#ifdef CONFIG_FEC_MXC
#ifndef CONFIG_TARGET_IMX8MQ_DDR3L_ARM2
#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);
}
#endif
static int setup_fec(void)
{
#ifdef CONFIG_TARGET_IMX8MQ_DDR3L_ARM2
struct iomuxc_gpr_base_regs *gpr =
(struct iomuxc_gpr_base_regs *) IOMUXC_GPR_BASE_ADDR;
/*
* GPR1 bit 13:
* 1:enet1 rmii clock comes from ccm->pad->loopback, SION bit for the pad (iomuxc_sw_input_on_pad_enet_td2) should be set also;
* 0:enet1 rmii clock comes from external phy or osc
*/
setbits_le32(&gpr->gpr[1],
IOMUXC_GPR_GPR1_GPR_ENET1_TX_CLK_SEL_MASK);
return set_clk_enet(ENET_50MHZ);
#else
setup_iomux_fec();
return set_clk_enet(ENET_125MHZ);
#endif
}
int board_phy_config(struct phy_device *phydev)
{
#ifndef CONFIG_TARGET_IMX8MQ_DDR3L_ARM2
/* 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);
#endif
if (phydev->drv->config)
phydev->drv->config(phydev);
return 0;
}
#endif
#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)
static struct dwc3_device dwc3_device_data = {
#ifdef CONFIG_SPL_BUILD
.maximum_speed = USB_SPEED_HIGH,
#else
.maximum_speed = USB_SPEED_SUPER,
#endif
.base = USB1_BASE_ADDR,
.dr_mode = USB_DR_MODE_PERIPHERAL,
.index = 0,
.power_down_scale = 2,
};
int usb_gadget_handle_interrupts(void)
{
dwc3_uboot_handle_interrupt(0);
return 0;
}
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);
}
int board_usb_init(int index, enum usb_init_type init)
{
dwc3_nxp_usb_phy_init(&dwc3_device_data);
return dwc3_uboot_init(&dwc3_device_data);
}
int board_usb_cleanup(int index, enum usb_init_type init)
{
dwc3_uboot_exit(index);
return 0;
}
#endif
int board_init(void)
{
#ifdef CONFIG_FSL_QSPI
board_qspi_init();
#endif
#ifdef CONFIG_FEC_MXC
setup_fec();
#endif
#if defined(CONFIG_USB_DWC3) || defined(CONFIG_USB_XHCI_IMX8M)
init_usb_clk();
#endif
return 0;
}
int board_late_init(void)
{
#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
#ifdef CONFIG_TARGET_IMX8MQ_DDR3L_ARM2
env_set("board_name", "DDR3L-ARM2");
#else
env_set("board_name", "DDR4-ARM2");
#endif
env_set("board_rev", "iMX8MQ");
#endif
#ifdef CONFIG_ENV_IS_IN_MMC
board_late_mmc_env_init();
#endif
return 0;
}
phys_size_t get_effective_memsize(void)
{
if (rom_pointer[1])
return (PHYS_SDRAM_SIZE - rom_pointer[1]);
else
return PHYS_SDRAM_SIZE;
}