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 <linux/delay.h>
  19 #include <linux/usb/gadget.h>
  20 #include <dwc3-uboot.h>
  21 #include <dwc3-omap-uboot.h>
  22 #include <ti-usb-phy-uboot.h>
  23
  24 #include "mux_data.h"
  25
  26 #if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_XHCI_OMAP)
  27 #include <sata.h>
  28 #include <usb.h>
  29 #include <asm/gpio.h>
  30 #include <asm/mach-types.h>
  31 #include <asm/arch/clock.h>
  32 #include <asm/arch/ehci.h>
  33 #include <asm/ehci-omap.h>
  34 #include <asm/arch/sata.h>
  35
  36 #define DIE_ID_REG_BASE     (OMAP54XX_L4_CORE_BASE + 0x2000)
  37 #define DIE_ID_REG_OFFSET       0x200
  38
  39 #endif
  40
  41 DECLARE_GLOBAL_DATA_PTR;
  42
  43 const struct omap_sysinfo sysinfo = {
  44         "Board: OMAP5432 uEVM\n"
  45 };
  46
  47 /**
  48  * @brief tca642x_init - uEVM default values for the GPIO expander
  49  * input reg, output reg, polarity reg, configuration reg
  50  */
  51 struct tca642x_bank_info tca642x_init[] = {
  52         { .input_reg = 0x00,
  53           .output_reg = 0x04,
  54           .polarity_reg = 0x00,
  55           .configuration_reg = 0x80 },
  56         { .input_reg = 0x00,
  57           .output_reg = 0x00,
  58           .polarity_reg = 0x00,
  59           .configuration_reg = 0xff },
  60         { .input_reg = 0x00,
  61           .output_reg = 0x00,
  62           .polarity_reg = 0x00,
  63           .configuration_reg = 0x40 },
  64 };
  65
  66 #ifdef CONFIG_USB_DWC3
  67 static struct dwc3_device usb_otg_ss = {
  68         .maximum_speed = USB_SPEED_SUPER,
  69         .base = OMAP5XX_USB_OTG_SS_BASE,
  70         .tx_fifo_resize = false,
  71         .index = 0,
  72 };
  73
  74 static struct dwc3_omap_device usb_otg_ss_glue = {
  75         .base = (void *)OMAP5XX_USB_OTG_SS_GLUE_BASE,
  76         .utmi_mode = DWC3_OMAP_UTMI_MODE_SW,
  77         .index = 0,
  78 };
  79
  80 static struct ti_usb_phy_device usb_phy_device = {
  81         .pll_ctrl_base = (void *)OMAP5XX_USB3_PHY_PLL_CTRL,
  82         .usb2_phy_power = (void *)OMAP5XX_USB2_PHY_POWER,
  83         .usb3_phy_power = (void *)OMAP5XX_USB3_PHY_POWER,
  84         .index = 0,
  85 };
  86
  87 int board_usb_init(int index, enum usb_init_type init)
  88 {
  89         if (index) {
  90                 printf("Invalid Controller Index\n");
  91                 return -EINVAL;
  92         }
  93
  94         if (init == USB_INIT_DEVICE) {
  95                 usb_otg_ss.dr_mode = USB_DR_MODE_PERIPHERAL;
  96                 usb_otg_ss_glue.vbus_id_status = OMAP_DWC3_VBUS_VALID;
  97         } else {
  98                 usb_otg_ss.dr_mode = USB_DR_MODE_HOST;
  99                 usb_otg_ss_glue.vbus_id_status = OMAP_DWC3_ID_GROUND;
 100         }
 101
 102         enable_usb_clocks(index);
 103         ti_usb_phy_uboot_init(&usb_phy_device);
 104         dwc3_omap_uboot_init(&usb_otg_ss_glue);
 105         dwc3_uboot_init(&usb_otg_ss);
 106
 107         return 0;
 108 }
 109
 110 int board_usb_cleanup(int index, enum usb_init_type init)
 111 {
 112         if (index) {
 113                 printf("Invalid Controller Index\n");
 114                 return -EINVAL;
 115         }
 116
 117         ti_usb_phy_uboot_exit(index);
 118         dwc3_uboot_exit(index);
 119         dwc3_omap_uboot_exit(index);
 120         disable_usb_clocks(index);
 121
 122         return 0;
 123 }
 124
 125 int usb_gadget_handle_interrupts(int index)
 126 {
 127         u32 status;
 128
 129         status = dwc3_omap_uboot_interrupt_status(index);
 130         if (status)
 131                 dwc3_uboot_handle_interrupt(index);
 132
 133         return 0;
 134 }
 135 #endif
 136
 137 /**
 138  * @brief board_init
 139  *
 140  * @return 0
 141  */
 142 int board_init(void)
 143 {
 144         gpmc_init();
 145         gd->bd->bi_arch_number = MACH_TYPE_OMAP5_SEVM;
 146         gd->bd->bi_boot_params = (0x80000000 + 0x100); /* boot param addr */
 147
 148         tca642x_set_inital_state(CONFIG_SYS_I2C_TCA642X_ADDR, tca642x_init);
 149
 150         return 0;
 151 }
 152
 153 #if defined(CONFIG_SPL_OS_BOOT)
 154 int spl_start_uboot(void)
 155 {
 156         /* break into full u-boot on 'c' */
 157         if (serial_tstc() && serial_getc() == 'c')
 158                 return 1;
 159
 160         return 0;
 161 }
 162 #endif /* CONFIG_SPL_OS_BOOT */
 163
 164 int board_eth_init(bd_t *bis)
 165 {
 166         return 0;
 167 }
 168
 169 /**
 170  * @brief misc_init_r - Configure EVM board specific configurations
 171  * such as power configurations, ethernet initialization as phase2 of
 172  * boot sequence
 173  *
 174  * @return 0
 175  */
 176 int misc_init_r(void)
 177 {
 178 #ifdef CONFIG_PALMAS_POWER
 179         palmas_init_settings();
 180 #endif
 181
 182         omap_die_id_usbethaddr();
 183
 184         return 0;
 185 }
 186
 187 void set_muxconf_regs(void)
 188 {
 189         do_set_mux((*ctrl)->control_padconf_core_base,
 190                    core_padconf_array_essential,
 191                    sizeof(core_padconf_array_essential) /
 192                    sizeof(struct pad_conf_entry));
 193
 194         do_set_mux((*ctrl)->control_padconf_wkup_base,
 195                    wkup_padconf_array_essential,
 196                    sizeof(wkup_padconf_array_essential) /
 197                    sizeof(struct pad_conf_entry));
 198 }
 199
 200 #if defined(CONFIG_MMC)
 201 int board_mmc_init(bd_t *bis)
 202 {
 203         omap_mmc_init(0, 0, 0, -1, -1);
 204         omap_mmc_init(1, 0, 0, -1, -1);
 205         return 0;
 206 }
 207 #endif
 208
 209 #ifdef CONFIG_USB_XHCI_OMAP
 210 /**
 211  * @brief board_usb_init - Configure EVM board specific configurations
 212  * for the LDO's and clocks for the USB blocks.
 213  *
 214  * @return 0
 215  */
 216 int board_usb_init(int index, enum usb_init_type init)
 217 {
 218         int ret;
 219 #ifdef CONFIG_PALMAS_USB_SS_PWR
 220         ret = palmas_enable_ss_ldo();
 221 #endif
 222
 223         return 0;
 224 }
 225 #endif