board/ti/omap5_uevm/evm.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * (C) Copyright 2010
   4  * Texas Instruments Incorporated, <www.ti.com>
   5  * Aneesh V       <aneesh@ti.com>
   6  * Steve Sakoman  <steve@sakoman.com>
   7  */
   8 #include <common.h>
   9 #include <init.h>
  10 #include <net.h>
  11 #include <palmas.h>
  12 #include <asm/arch/omap.h>
  13 #include <asm/arch/sys_proto.h>
  14 #include <asm/arch/mmc_host_def.h>
  15 #include <serial.h>
  16 #include <tca642x.h>
  17 #include <usb.h>
  18 #include <asm/global_data.h>
  19 #include <linux/delay.h>
  20 #include <linux/usb/gadget.h>
  21 #include <dwc3-uboot.h>
  22 #include <dwc3-omap-uboot.h>
  23 #include <ti-usb-phy-uboot.h>
  24
  25 #include "mux_data.h"
  26
  27 #if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_XHCI_OMAP)
  28 #include <sata.h>
  29 #include <usb.h>
  30 #include <asm/gpio.h>
  31 #include <asm/mach-types.h>
  32 #include <asm/arch/clock.h>
  33 #include <asm/arch/ehci.h>
  34 #include <asm/ehci-omap.h>
  35 #include <asm/arch/sata.h>
  36
  37 #define DIE_ID_REG_BASE     (OMAP54XX_L4_CORE_BASE + 0x2000)
  38 #define DIE_ID_REG_OFFSET       0x200
  39
  40 #endif
  41
  42 DECLARE_GLOBAL_DATA_PTR;
  43
  44 const struct omap_sysinfo sysinfo = {
  45         "Board: OMAP5432 uEVM\n"
  46 };
  47
  48 /**
  49  * @brief tca642x_init - uEVM default values for the GPIO expander
  50  * input reg, output reg, polarity reg, configuration reg
  51  */
  52 struct tca642x_bank_info tca642x_init[] = {
  53         { .input_reg = 0x00,
  54           .output_reg = 0x04,
  55           .polarity_reg = 0x00,
  56           .configuration_reg = 0x80 },
  57         { .input_reg = 0x00,
  58           .output_reg = 0x00,
  59           .polarity_reg = 0x00,
  60           .configuration_reg = 0xff },
  61         { .input_reg = 0x00,
  62           .output_reg = 0x00,
  63           .polarity_reg = 0x00,
  64           .configuration_reg = 0x40 },
  65 };
  66
  67 #ifdef CONFIG_USB_DWC3
  68 static struct dwc3_device usb_otg_ss = {
  69         .maximum_speed = USB_SPEED_SUPER,
  70         .base = OMAP5XX_USB_OTG_SS_BASE,
  71         .tx_fifo_resize = false,
  72         .index = 0,
  73 };
  74
  75 static struct dwc3_omap_device usb_otg_ss_glue = {
  76         .base = (void *)OMAP5XX_USB_OTG_SS_GLUE_BASE,
  77         .utmi_mode = DWC3_OMAP_UTMI_MODE_SW,
  78         .index = 0,
  79 };
  80
  81 static struct ti_usb_phy_device usb_phy_device = {
  82         .pll_ctrl_base = (void *)OMAP5XX_USB3_PHY_PLL_CTRL,
  83         .usb2_phy_power = (void *)OMAP5XX_USB2_PHY_POWER,
  84         .usb3_phy_power = (void *)OMAP5XX_USB3_PHY_POWER,
  85         .index = 0,
  86 };
  87
  88 int board_usb_init(int index, enum usb_init_type init)
  89 {
  90         if (index) {
  91                 printf("Invalid Controller Index\n");
  92                 return -EINVAL;
  93         }
  94
  95         if (init == USB_INIT_DEVICE) {
  96                 usb_otg_ss.dr_mode = USB_DR_MODE_PERIPHERAL;
  97                 usb_otg_ss_glue.vbus_id_status = OMAP_DWC3_VBUS_VALID;
  98         } else {
  99                 usb_otg_ss.dr_mode = USB_DR_MODE_HOST;
 100                 usb_otg_ss_glue.vbus_id_status = OMAP_DWC3_ID_GROUND;
 101         }
 102
 103         enable_usb_clocks(index);
 104         ti_usb_phy_uboot_init(&usb_phy_device);
 105         dwc3_omap_uboot_init(&usb_otg_ss_glue);
 106         dwc3_uboot_init(&usb_otg_ss);
 107
 108         return 0;
 109 }
 110
 111 int board_usb_cleanup(int index, enum usb_init_type init)
 112 {
 113         if (index) {
 114                 printf("Invalid Controller Index\n");
 115                 return -EINVAL;
 116         }
 117
 118         ti_usb_phy_uboot_exit(index);
 119         dwc3_uboot_exit(index);
 120         dwc3_omap_uboot_exit(index);
 121         disable_usb_clocks(index);
 122
 123         return 0;
 124 }
 125
 126 int usb_gadget_handle_interrupts(int index)
 127 {
 128         u32 status;
 129
 130         status = dwc3_omap_uboot_interrupt_status(index);
 131         if (status)
 132                 dwc3_uboot_handle_interrupt(index);
 133
 134         return 0;
 135 }
 136 #endif
 137
 138 /**
 139  * @brief board_init
 140  *
 141  * Return: 0
 142  */
 143 int board_init(void)
 144 {
 145         gpmc_init();
 146         gd->bd->bi_arch_number = MACH_TYPE_OMAP5_SEVM;
 147         gd->bd->bi_boot_params = (0x80000000 + 0x100); /* boot param addr */
 148
 149         tca642x_set_inital_state(CFG_SYS_I2C_TCA642X_ADDR, tca642x_init);
 150
 151         return 0;
 152 }
 153
 154 #if defined(CONFIG_SPL_OS_BOOT)
 155 int spl_start_uboot(void)
 156 {
 157         /* break into full u-boot on 'c' */
 158         if (serial_tstc() && serial_getc() == 'c')
 159                 return 1;
 160
 161         return 0;
 162 }
 163 #endif /* CONFIG_SPL_OS_BOOT */
 164
 165 int board_eth_init(struct bd_info *bis)
 166 {
 167         return 0;
 168 }
 169
 170 /**
 171  * @brief misc_init_r - Configure EVM board specific configurations
 172  * such as power configurations, ethernet initialization as phase2 of
 173  * boot sequence
 174  *
 175  * Return: 0
 176  */
 177 int misc_init_r(void)
 178 {
 179 #ifdef CONFIG_PALMAS_POWER
 180         palmas_init_settings();
 181 #endif
 182
 183         omap_die_id_usbethaddr();
 184
 185         return 0;
 186 }
 187
 188 void set_muxconf_regs(void)
 189 {
 190         do_set_mux((*ctrl)->control_padconf_core_base,
 191                    core_padconf_array_essential,
 192                    sizeof(core_padconf_array_essential) /
 193                    sizeof(struct pad_conf_entry));
 194
 195         do_set_mux((*ctrl)->control_padconf_wkup_base,
 196                    wkup_padconf_array_essential,
 197                    sizeof(wkup_padconf_array_essential) /
 198                    sizeof(struct pad_conf_entry));
 199 }
 200
 201 #if defined(CONFIG_MMC)
 202 int board_mmc_init(struct bd_info *bis)
 203 {
 204         omap_mmc_init(0, 0, 0, -1, -1);
 205         omap_mmc_init(1, 0, 0, -1, -1);
 206         return 0;
 207 }
 208 #endif
 209
 210 #ifdef CONFIG_USB_XHCI_OMAP
 211 /**
 212  * @brief board_usb_init - Configure EVM board specific configurations
 213  * for the LDO's and clocks for the USB blocks.
 214  *
 215  * Return: 0
 216  */
 217 int board_usb_init(int index, enum usb_init_type init)
 218 {
 219         int ret;
 220 #ifdef CONFIG_PALMAS_USB_SS_PWR
 221         ret = palmas_enable_ss_ldo();
 222 #endif
 223
 224         return 0;
 225 }
 226 #endif