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_arch_number = MACH_TYPE_OMAP5_SEVM; 142 gd->bd->bi_boot_params = (0x80000000 + 0x100); /* boot param addr */ 143 144 tca642x_set_inital_state(CONFIG_SYS_I2C_TCA642X_ADDR, tca642x_init); 145 146 return 0; 147 } 148 149 int board_eth_init(bd_t *bis) 150 { 151 return 0; 152 } 153 154 #if defined(CONFIG_USB_EHCI) || defined(CONFIG_USB_XHCI_OMAP) 155 static void enable_host_clocks(void) 156 { 157 int auxclk; 158 int hs_clk_ctrl_val = (OPTFCLKEN_HSIC60M_P3_CLK | 159 OPTFCLKEN_HSIC480M_P3_CLK | 160 OPTFCLKEN_HSIC60M_P2_CLK | 161 OPTFCLKEN_HSIC480M_P2_CLK | 162 OPTFCLKEN_UTMI_P3_CLK | OPTFCLKEN_UTMI_P2_CLK); 163 164 /* Enable port 2 and 3 clocks*/ 165 setbits_le32((*prcm)->cm_l3init_hsusbhost_clkctrl, hs_clk_ctrl_val); 166 167 /* Enable port 2 and 3 usb host ports tll clocks*/ 168 setbits_le32((*prcm)->cm_l3init_hsusbtll_clkctrl, 169 (OPTFCLKEN_USB_CH1_CLK_ENABLE | OPTFCLKEN_USB_CH2_CLK_ENABLE)); 170 #ifdef CONFIG_USB_XHCI_OMAP 171 /* Enable the USB OTG Super speed clocks */ 172 setbits_le32((*prcm)->cm_l3init_usb_otg_ss_clkctrl, 173 (OPTFCLKEN_REFCLK960M | OTG_SS_CLKCTRL_MODULEMODE_HW)); 174 #endif 175 176 auxclk = readl((*prcm)->scrm_auxclk1); 177 /* Request auxilary clock */ 178 auxclk |= AUXCLK_ENABLE_MASK; 179 writel(auxclk, (*prcm)->scrm_auxclk1); 180 } 181 #endif 182 183 /** 184 * @brief misc_init_r - Configure EVM board specific configurations 185 * such as power configurations, ethernet initialization as phase2 of 186 * boot sequence 187 * 188 * @return 0 189 */ 190 int misc_init_r(void) 191 { 192 #ifdef CONFIG_PALMAS_POWER 193 palmas_init_settings(); 194 #endif 195 196 omap_die_id_usbethaddr(); 197 198 return 0; 199 } 200 201 void set_muxconf_regs(void) 202 { 203 do_set_mux((*ctrl)->control_padconf_core_base, 204 core_padconf_array_essential, 205 sizeof(core_padconf_array_essential) / 206 sizeof(struct pad_conf_entry)); 207 208 do_set_mux((*ctrl)->control_padconf_wkup_base, 209 wkup_padconf_array_essential, 210 sizeof(wkup_padconf_array_essential) / 211 sizeof(struct pad_conf_entry)); 212 } 213 214 #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC) 215 int board_mmc_init(bd_t *bis) 216 { 217 omap_mmc_init(0, 0, 0, -1, -1); 218 omap_mmc_init(1, 0, 0, -1, -1); 219 return 0; 220 } 221 #endif 222 223 #ifdef CONFIG_USB_EHCI 224 static struct omap_usbhs_board_data usbhs_bdata = { 225 .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED, 226 .port_mode[1] = OMAP_EHCI_PORT_MODE_HSIC, 227 .port_mode[2] = OMAP_EHCI_PORT_MODE_HSIC, 228 }; 229 230 int ehci_hcd_init(int index, enum usb_init_type init, 231 struct ehci_hccr **hccr, struct ehci_hcor **hcor) 232 { 233 int ret; 234 235 enable_host_clocks(); 236 237 ret = omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor); 238 if (ret < 0) { 239 puts("Failed to initialize ehci\n"); 240 return ret; 241 } 242 243 return 0; 244 } 245 246 int ehci_hcd_stop(void) 247 { 248 int ret; 249 250 ret = omap_ehci_hcd_stop(); 251 return ret; 252 } 253 254 void usb_hub_reset_devices(int port) 255 { 256 /* The LAN9730 needs to be reset after the port power has been set. */ 257 if (port == 3) { 258 gpio_direction_output(CONFIG_OMAP_EHCI_PHY3_RESET_GPIO, 0); 259 udelay(10); 260 gpio_direction_output(CONFIG_OMAP_EHCI_PHY3_RESET_GPIO, 1); 261 } 262 } 263 #endif 264 265 #ifdef CONFIG_USB_XHCI_OMAP 266 /** 267 * @brief board_usb_init - Configure EVM board specific configurations 268 * for the LDO's and clocks for the USB blocks. 269 * 270 * @return 0 271 */ 272 int board_usb_init(int index, enum usb_init_type init) 273 { 274 int ret; 275 #ifdef CONFIG_PALMAS_USB_SS_PWR 276 ret = palmas_enable_ss_ldo(); 277 #endif 278 279 enable_host_clocks(); 280 281 return 0; 282 } 283 #endif 284