1 /* 2 * (C) Copyright 2010 3 * Texas Instruments Incorporated, <www.ti.com> 4 * Aneesh V <aneesh@ti.com> 5 * Steve Sakoman <steve@sakoman.com> 6 * 7 * SPDX-License-Identifier: GPL-2.0+ 8 */ 9 #include <common.h> 10 #include <palmas.h> 11 #include <asm/arch/omap.h> 12 #include <asm/arch/sys_proto.h> 13 #include <asm/arch/mmc_host_def.h> 14 #include <tca642x.h> 15 #include <usb.h> 16 #include <linux/usb/gadget.h> 17 #include <dwc3-uboot.h> 18 #include <dwc3-omap-uboot.h> 19 #include <ti-usb-phy-uboot.h> 20 21 #include "mux_data.h" 22 23 #if defined(CONFIG_USB_EHCI) || defined(CONFIG_USB_XHCI_OMAP) 24 #include <sata.h> 25 #include <usb.h> 26 #include <asm/gpio.h> 27 #include <asm/arch/clock.h> 28 #include <asm/arch/ehci.h> 29 #include <asm/ehci-omap.h> 30 #include <asm/arch/sata.h> 31 32 #define DIE_ID_REG_BASE (OMAP54XX_L4_CORE_BASE + 0x2000) 33 #define DIE_ID_REG_OFFSET 0x200 34 35 #endif 36 37 DECLARE_GLOBAL_DATA_PTR; 38 39 const struct omap_sysinfo sysinfo = { 40 "Board: OMAP5432 uEVM\n" 41 }; 42 43 /** 44 * @brief tca642x_init - uEVM default values for the GPIO expander 45 * input reg, output reg, polarity reg, configuration reg 46 */ 47 struct tca642x_bank_info tca642x_init[] = { 48 { .input_reg = 0x00, 49 .output_reg = 0x04, 50 .polarity_reg = 0x00, 51 .configuration_reg = 0x80 }, 52 { .input_reg = 0x00, 53 .output_reg = 0x00, 54 .polarity_reg = 0x00, 55 .configuration_reg = 0xff }, 56 { .input_reg = 0x00, 57 .output_reg = 0x00, 58 .polarity_reg = 0x00, 59 .configuration_reg = 0x40 }, 60 }; 61 62 #ifdef CONFIG_USB_DWC3 63 static struct dwc3_device usb_otg_ss = { 64 .maximum_speed = USB_SPEED_SUPER, 65 .base = OMAP5XX_USB_OTG_SS_BASE, 66 .tx_fifo_resize = false, 67 .index = 0, 68 }; 69 70 static struct dwc3_omap_device usb_otg_ss_glue = { 71 .base = (void *)OMAP5XX_USB_OTG_SS_GLUE_BASE, 72 .utmi_mode = DWC3_OMAP_UTMI_MODE_SW, 73 .index = 0, 74 }; 75 76 static struct ti_usb_phy_device usb_phy_device = { 77 .pll_ctrl_base = (void *)OMAP5XX_USB3_PHY_PLL_CTRL, 78 .usb2_phy_power = (void *)OMAP5XX_USB2_PHY_POWER, 79 .usb3_phy_power = (void *)OMAP5XX_USB3_PHY_POWER, 80 .index = 0, 81 }; 82 83 int board_usb_init(int index, enum usb_init_type init) 84 { 85 if (index) { 86 printf("Invalid Controller Index\n"); 87 return -EINVAL; 88 } 89 90 if (init == USB_INIT_DEVICE) { 91 usb_otg_ss.dr_mode = USB_DR_MODE_PERIPHERAL; 92 usb_otg_ss_glue.vbus_id_status = OMAP_DWC3_VBUS_VALID; 93 } else { 94 usb_otg_ss.dr_mode = USB_DR_MODE_HOST; 95 usb_otg_ss_glue.vbus_id_status = OMAP_DWC3_ID_GROUND; 96 } 97 98 enable_usb_clocks(index); 99 ti_usb_phy_uboot_init(&usb_phy_device); 100 dwc3_omap_uboot_init(&usb_otg_ss_glue); 101 dwc3_uboot_init(&usb_otg_ss); 102 103 return 0; 104 } 105 106 int board_usb_cleanup(int index, enum usb_init_type init) 107 { 108 if (index) { 109 printf("Invalid Controller Index\n"); 110 return -EINVAL; 111 } 112 113 ti_usb_phy_uboot_exit(index); 114 dwc3_uboot_exit(index); 115 dwc3_omap_uboot_exit(index); 116 disable_usb_clocks(index); 117 118 return 0; 119 } 120 121 int usb_gadget_handle_interrupts(int index) 122 { 123 u32 status; 124 125 status = dwc3_omap_uboot_interrupt_status(index); 126 if (status) 127 dwc3_uboot_handle_interrupt(index); 128 129 return 0; 130 } 131 #endif 132 133 /** 134 * @brief board_init 135 * 136 * @return 0 137 */ 138 int board_init(void) 139 { 140 gpmc_init(); 141 gd->bd->bi_boot_params = (0x80000000 + 0x100); /* boot param addr */ 142 143 tca642x_set_inital_state(CONFIG_SYS_I2C_TCA642X_ADDR, tca642x_init); 144 145 return 0; 146 } 147 148 int board_eth_init(bd_t *bis) 149 { 150 return 0; 151 } 152 153 #if defined(CONFIG_USB_EHCI) || defined(CONFIG_USB_XHCI_OMAP) 154 static void enable_host_clocks(void) 155 { 156 int auxclk; 157 int hs_clk_ctrl_val = (OPTFCLKEN_HSIC60M_P3_CLK | 158 OPTFCLKEN_HSIC480M_P3_CLK | 159 OPTFCLKEN_HSIC60M_P2_CLK | 160 OPTFCLKEN_HSIC480M_P2_CLK | 161 OPTFCLKEN_UTMI_P3_CLK | OPTFCLKEN_UTMI_P2_CLK); 162 163 /* Enable port 2 and 3 clocks*/ 164 setbits_le32((*prcm)->cm_l3init_hsusbhost_clkctrl, hs_clk_ctrl_val); 165 166 /* Enable port 2 and 3 usb host ports tll clocks*/ 167 setbits_le32((*prcm)->cm_l3init_hsusbtll_clkctrl, 168 (OPTFCLKEN_USB_CH1_CLK_ENABLE | OPTFCLKEN_USB_CH2_CLK_ENABLE)); 169 #ifdef CONFIG_USB_XHCI_OMAP 170 /* Enable the USB OTG Super speed clocks */ 171 setbits_le32((*prcm)->cm_l3init_usb_otg_ss_clkctrl, 172 (OPTFCLKEN_REFCLK960M | OTG_SS_CLKCTRL_MODULEMODE_HW)); 173 #endif 174 175 auxclk = readl((*prcm)->scrm_auxclk1); 176 /* Request auxilary clock */ 177 auxclk |= AUXCLK_ENABLE_MASK; 178 writel(auxclk, (*prcm)->scrm_auxclk1); 179 } 180 #endif 181 182 /** 183 * @brief misc_init_r - Configure EVM board specific configurations 184 * such as power configurations, ethernet initialization as phase2 of 185 * boot sequence 186 * 187 * @return 0 188 */ 189 int misc_init_r(void) 190 { 191 #ifdef CONFIG_PALMAS_POWER 192 palmas_init_settings(); 193 #endif 194 195 omap_die_id_usbethaddr(); 196 197 return 0; 198 } 199 200 void set_muxconf_regs(void) 201 { 202 do_set_mux((*ctrl)->control_padconf_core_base, 203 core_padconf_array_essential, 204 sizeof(core_padconf_array_essential) / 205 sizeof(struct pad_conf_entry)); 206 207 do_set_mux((*ctrl)->control_padconf_wkup_base, 208 wkup_padconf_array_essential, 209 sizeof(wkup_padconf_array_essential) / 210 sizeof(struct pad_conf_entry)); 211 } 212 213 #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC) 214 int board_mmc_init(bd_t *bis) 215 { 216 omap_mmc_init(0, 0, 0, -1, -1); 217 omap_mmc_init(1, 0, 0, -1, -1); 218 return 0; 219 } 220 #endif 221 222 #ifdef CONFIG_USB_EHCI 223 static struct omap_usbhs_board_data usbhs_bdata = { 224 .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED, 225 .port_mode[1] = OMAP_EHCI_PORT_MODE_HSIC, 226 .port_mode[2] = OMAP_EHCI_PORT_MODE_HSIC, 227 }; 228 229 int ehci_hcd_init(int index, enum usb_init_type init, 230 struct ehci_hccr **hccr, struct ehci_hcor **hcor) 231 { 232 int ret; 233 234 enable_host_clocks(); 235 236 ret = omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor); 237 if (ret < 0) { 238 puts("Failed to initialize ehci\n"); 239 return ret; 240 } 241 242 return 0; 243 } 244 245 int ehci_hcd_stop(void) 246 { 247 return omap_ehci_hcd_stop(); 248 } 249 250 void usb_hub_reset_devices(int port) 251 { 252 /* The LAN9730 needs to be reset after the port power has been set. */ 253 if (port == 3) { 254 gpio_direction_output(CONFIG_OMAP_EHCI_PHY3_RESET_GPIO, 0); 255 udelay(10); 256 gpio_direction_output(CONFIG_OMAP_EHCI_PHY3_RESET_GPIO, 1); 257 } 258 } 259 #endif 260 261 #ifdef CONFIG_USB_XHCI_OMAP 262 /** 263 * @brief board_usb_init - Configure EVM board specific configurations 264 * for the LDO's and clocks for the USB blocks. 265 * 266 * @return 0 267 */ 268 int board_usb_init(int index, enum usb_init_type init) 269 { 270 int ret; 271 #ifdef CONFIG_PALMAS_USB_SS_PWR 272 ret = palmas_enable_ss_ldo(); 273 #endif 274 275 enable_host_clocks(); 276 277 return 0; 278 } 279 #endif 280