/*
 * (C) Copyright 2010
 * Texas Instruments Incorporated, <www.ti.com>
 * Aneesh V       <aneesh@ti.com>
 * Steve Sakoman  <steve@sakoman.com>
 *
 * SPDX-License-Identifier:     GPL-2.0+
 */
#include <common.h>
#include <palmas.h>
#include <asm/arch/omap.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/mmc_host_def.h>
#include <tca642x.h>
#include <usb.h>
#include <linux/usb/gadget.h>
#include <dwc3-uboot.h>
#include <dwc3-omap-uboot.h>
#include <ti-usb-phy-uboot.h>

#include "mux_data.h"

#if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_XHCI_OMAP)
#include <sata.h>
#include <usb.h>
#include <asm/gpio.h>
#include <asm/mach-types.h>
#include <asm/arch/clock.h>
#include <asm/arch/ehci.h>
#include <asm/ehci-omap.h>
#include <asm/arch/sata.h>

#define DIE_ID_REG_BASE     (OMAP54XX_L4_CORE_BASE + 0x2000)
#define DIE_ID_REG_OFFSET       0x200

#endif

DECLARE_GLOBAL_DATA_PTR;

const struct omap_sysinfo sysinfo = {
        "Board: OMAP5432 uEVM\n"
};

/**
 * @brief tca642x_init - uEVM default values for the GPIO expander
 * input reg, output reg, polarity reg, configuration reg
 */
struct tca642x_bank_info tca642x_init[] = {
        { .input_reg = 0x00,
          .output_reg = 0x04,
          .polarity_reg = 0x00,
          .configuration_reg = 0x80 },
        { .input_reg = 0x00,
          .output_reg = 0x00,
          .polarity_reg = 0x00,
          .configuration_reg = 0xff },
        { .input_reg = 0x00,
          .output_reg = 0x00,
          .polarity_reg = 0x00,
          .configuration_reg = 0x40 },
};

#ifdef CONFIG_USB_DWC3
static struct dwc3_device usb_otg_ss = {
        .maximum_speed = USB_SPEED_SUPER,
        .base = OMAP5XX_USB_OTG_SS_BASE,
        .tx_fifo_resize = false,
        .index = 0,
};

static struct dwc3_omap_device usb_otg_ss_glue = {
        .base = (void *)OMAP5XX_USB_OTG_SS_GLUE_BASE,
        .utmi_mode = DWC3_OMAP_UTMI_MODE_SW,
        .index = 0,
};

static struct ti_usb_phy_device usb_phy_device = {
        .pll_ctrl_base = (void *)OMAP5XX_USB3_PHY_PLL_CTRL,
        .usb2_phy_power = (void *)OMAP5XX_USB2_PHY_POWER,
        .usb3_phy_power = (void *)OMAP5XX_USB3_PHY_POWER,
        .index = 0,
};

int board_usb_init(int index, enum usb_init_type init)
{
        if (index) {
                printf("Invalid Controller Index\n");
                return -EINVAL;
        }

        if (init == USB_INIT_DEVICE) {
                usb_otg_ss.dr_mode = USB_DR_MODE_PERIPHERAL;
                usb_otg_ss_glue.vbus_id_status = OMAP_DWC3_VBUS_VALID;
        } else {
                usb_otg_ss.dr_mode = USB_DR_MODE_HOST;
                usb_otg_ss_glue.vbus_id_status = OMAP_DWC3_ID_GROUND;
        }

        enable_usb_clocks(index);
        ti_usb_phy_uboot_init(&usb_phy_device);
        dwc3_omap_uboot_init(&usb_otg_ss_glue);
        dwc3_uboot_init(&usb_otg_ss);

        return 0;
}

int board_usb_cleanup(int index, enum usb_init_type init)
{
        if (index) {
                printf("Invalid Controller Index\n");
                return -EINVAL;
        }

        ti_usb_phy_uboot_exit(index);
        dwc3_uboot_exit(index);
        dwc3_omap_uboot_exit(index);
        disable_usb_clocks(index);

        return 0;
}

int usb_gadget_handle_interrupts(int index)
{
        u32 status;

        status = dwc3_omap_uboot_interrupt_status(index);
        if (status)
                dwc3_uboot_handle_interrupt(index);

        return 0;
}
#endif

/**
 * @brief board_init
 *
 * @return 0
 */
int board_init(void)
{
        gpmc_init();
        gd->bd->bi_arch_number = MACH_TYPE_OMAP5_SEVM;
        gd->bd->bi_boot_params = (0x80000000 + 0x100); /* boot param addr */

        tca642x_set_inital_state(CONFIG_SYS_I2C_TCA642X_ADDR, tca642x_init);

        return 0;
}

int board_eth_init(bd_t *bis)
{
        return 0;
}

#if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_XHCI_OMAP)
static void enable_host_clocks(void)
{
        int auxclk;
        int hs_clk_ctrl_val = (OPTFCLKEN_HSIC60M_P3_CLK |
                                OPTFCLKEN_HSIC480M_P3_CLK |
                                OPTFCLKEN_HSIC60M_P2_CLK |
                                OPTFCLKEN_HSIC480M_P2_CLK |
                                OPTFCLKEN_UTMI_P3_CLK | OPTFCLKEN_UTMI_P2_CLK);

        /* Enable port 2 and 3 clocks*/
        setbits_le32((*prcm)->cm_l3init_hsusbhost_clkctrl, hs_clk_ctrl_val);

        /* Enable port 2 and 3 usb host ports tll clocks*/
        setbits_le32((*prcm)->cm_l3init_hsusbtll_clkctrl,
                        (OPTFCLKEN_USB_CH1_CLK_ENABLE | OPTFCLKEN_USB_CH2_CLK_ENABLE));
#ifdef CONFIG_USB_XHCI_OMAP
        /* Enable the USB OTG Super speed clocks */
        setbits_le32((*prcm)->cm_l3init_usb_otg_ss_clkctrl,
                        (OPTFCLKEN_REFCLK960M | OTG_SS_CLKCTRL_MODULEMODE_HW));
#endif

        auxclk = readl((*prcm)->scrm_auxclk1);
        /* Request auxilary clock */
        auxclk |= AUXCLK_ENABLE_MASK;
        writel(auxclk, (*prcm)->scrm_auxclk1);
}
#endif

/**
 * @brief misc_init_r - Configure EVM board specific configurations
 * such as power configurations, ethernet initialization as phase2 of
 * boot sequence
 *
 * @return 0
 */
int misc_init_r(void)
{
#ifdef CONFIG_PALMAS_POWER
        palmas_init_settings();
#endif

        omap_die_id_usbethaddr();

        return 0;
}

void set_muxconf_regs(void)
{
        do_set_mux((*ctrl)->control_padconf_core_base,
                   core_padconf_array_essential,
                   sizeof(core_padconf_array_essential) /
                   sizeof(struct pad_conf_entry));

        do_set_mux((*ctrl)->control_padconf_wkup_base,
                   wkup_padconf_array_essential,
                   sizeof(wkup_padconf_array_essential) /
                   sizeof(struct pad_conf_entry));
}

#if defined(CONFIG_MMC)
int board_mmc_init(bd_t *bis)
{
        omap_mmc_init(0, 0, 0, -1, -1);
        omap_mmc_init(1, 0, 0, -1, -1);
        return 0;
}
#endif

#ifdef CONFIG_USB_EHCI_HCD
static struct omap_usbhs_board_data usbhs_bdata = {
        .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
        .port_mode[1] = OMAP_EHCI_PORT_MODE_HSIC,
        .port_mode[2] = OMAP_EHCI_PORT_MODE_HSIC,
};

int ehci_hcd_init(int index, enum usb_init_type init,
                struct ehci_hccr **hccr, struct ehci_hcor **hcor)
{
        int ret;

        enable_host_clocks();

        ret = omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor);
        if (ret < 0) {
                puts("Failed to initialize ehci\n");
                return ret;
        }

        return 0;
}

int ehci_hcd_stop(void)
{
        return omap_ehci_hcd_stop();
}

void usb_hub_reset_devices(int port)
{
        /* The LAN9730 needs to be reset after the port power has been set. */
        if (port == 3) {
                gpio_direction_output(CONFIG_OMAP_EHCI_PHY3_RESET_GPIO, 0);
                udelay(10);
                gpio_direction_output(CONFIG_OMAP_EHCI_PHY3_RESET_GPIO, 1);
        }
}
#endif

#ifdef CONFIG_USB_XHCI_OMAP
/**
 * @brief board_usb_init - Configure EVM board specific configurations
 * for the LDO's and clocks for the USB blocks.
 *
 * @return 0
 */
int board_usb_init(int index, enum usb_init_type init)
{
        int ret;
#ifdef CONFIG_PALMAS_USB_SS_PWR
        ret = palmas_enable_ss_ldo();
#endif

        enable_host_clocks();

        return 0;
}
#endif