Sricharan | 508a58f | 2011-11-15 09:49:55 -0500 | [diff] [blame] | 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 | * |
Wolfgang Denk | 1a45966 | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 7 | * SPDX-License-Identifier: GPL-2.0+ |
Sricharan | 508a58f | 2011-11-15 09:49:55 -0500 | [diff] [blame] | 8 | */ |
| 9 | #include <common.h> |
Nishanth Menon | cb19910 | 2013-03-26 05:20:54 +0000 | [diff] [blame] | 10 | #include <palmas.h> |
Kishon Vijay Abraham I | 7ba792c | 2015-08-19 14:13:20 +0530 | [diff] [blame] | 11 | #include <asm/arch/omap.h> |
Sricharan | 508a58f | 2011-11-15 09:49:55 -0500 | [diff] [blame] | 12 | #include <asm/arch/sys_proto.h> |
| 13 | #include <asm/arch/mmc_host_def.h> |
Dan Murphy | fdce7b6 | 2013-07-11 13:10:28 -0500 | [diff] [blame] | 14 | #include <tca642x.h> |
Kishon Vijay Abraham I | 7ba792c | 2015-08-19 14:13:20 +0530 | [diff] [blame] | 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> |
Sricharan | 508a58f | 2011-11-15 09:49:55 -0500 | [diff] [blame] | 20 | |
| 21 | #include "mux_data.h" |
| 22 | |
Dan Murphy | 9680553 | 2013-08-26 08:54:53 -0500 | [diff] [blame] | 23 | #if defined(CONFIG_USB_EHCI) || defined(CONFIG_USB_XHCI_OMAP) |
Dan Murphy | e9024ef | 2014-02-03 06:59:02 -0600 | [diff] [blame] | 24 | #include <sata.h> |
Dan Murphy | 5e5cfaf | 2013-08-01 14:05:59 -0500 | [diff] [blame] | 25 | #include <usb.h> |
Dan Murphy | 1572ead | 2013-08-01 14:06:02 -0500 | [diff] [blame] | 26 | #include <asm/gpio.h> |
Dan Murphy | 5e5cfaf | 2013-08-01 14:05:59 -0500 | [diff] [blame] | 27 | #include <asm/arch/clock.h> |
| 28 | #include <asm/arch/ehci.h> |
| 29 | #include <asm/ehci-omap.h> |
Roger Quadros | afdc632 | 2013-11-11 16:56:42 +0200 | [diff] [blame] | 30 | #include <asm/arch/sata.h> |
Dan Murphy | 04025b4 | 2013-08-01 14:06:00 -0500 | [diff] [blame] | 31 | |
| 32 | #define DIE_ID_REG_BASE (OMAP54XX_L4_CORE_BASE + 0x2000) |
| 33 | #define DIE_ID_REG_OFFSET 0x200 |
| 34 | |
Dan Murphy | 5e5cfaf | 2013-08-01 14:05:59 -0500 | [diff] [blame] | 35 | #endif |
| 36 | |
Sricharan | 508a58f | 2011-11-15 09:49:55 -0500 | [diff] [blame] | 37 | DECLARE_GLOBAL_DATA_PTR; |
| 38 | |
| 39 | const struct omap_sysinfo sysinfo = { |
Dan Murphy | 5a7bd38 | 2013-08-01 14:05:56 -0500 | [diff] [blame] | 40 | "Board: OMAP5432 uEVM\n" |
Sricharan | 508a58f | 2011-11-15 09:49:55 -0500 | [diff] [blame] | 41 | }; |
| 42 | |
| 43 | /** |
Dan Murphy | fdce7b6 | 2013-07-11 13:10:28 -0500 | [diff] [blame] | 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 | |
Kishon Vijay Abraham I | 7ba792c | 2015-08-19 14:13:20 +0530 | [diff] [blame] | 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 | |
Kishon Vijay Abraham I | 6f1af1e | 2015-08-19 16:16:27 +0530 | [diff] [blame] | 98 | enable_usb_clocks(index); |
Kishon Vijay Abraham I | 7ba792c | 2015-08-19 14:13:20 +0530 | [diff] [blame] | 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); |
Kishon Vijay Abraham I | 6f1af1e | 2015-08-19 16:16:27 +0530 | [diff] [blame] | 116 | disable_usb_clocks(index); |
Kishon Vijay Abraham I | 7ba792c | 2015-08-19 14:13:20 +0530 | [diff] [blame] | 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 | |
Dan Murphy | fdce7b6 | 2013-07-11 13:10:28 -0500 | [diff] [blame] | 133 | /** |
Sricharan | 508a58f | 2011-11-15 09:49:55 -0500 | [diff] [blame] | 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 | |
Dan Murphy | fdce7b6 | 2013-07-11 13:10:28 -0500 | [diff] [blame] | 144 | tca642x_set_inital_state(CONFIG_SYS_I2C_TCA642X_ADDR, tca642x_init); |
| 145 | |
Sricharan | 508a58f | 2011-11-15 09:49:55 -0500 | [diff] [blame] | 146 | return 0; |
| 147 | } |
| 148 | |
| 149 | int board_eth_init(bd_t *bis) |
| 150 | { |
| 151 | return 0; |
| 152 | } |
| 153 | |
Dan Murphy | 9680553 | 2013-08-26 08:54:53 -0500 | [diff] [blame] | 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 | |
Sricharan | 508a58f | 2011-11-15 09:49:55 -0500 | [diff] [blame] | 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 | { |
Paul Kocialkowski | 9fd5401 | 2015-08-27 19:37:11 +0200 | [diff] [blame^] | 192 | unsigned int die_id[4] = { 0 }; |
Dan Murphy | ea02b65 | 2013-10-11 12:28:19 -0500 | [diff] [blame] | 193 | |
Nishanth Menon | cb19910 | 2013-03-26 05:20:54 +0000 | [diff] [blame] | 194 | #ifdef CONFIG_PALMAS_POWER |
Nishanth Menon | 1273388 | 2013-03-26 05:20:55 +0000 | [diff] [blame] | 195 | palmas_init_settings(); |
Sricharan | 508a58f | 2011-11-15 09:49:55 -0500 | [diff] [blame] | 196 | #endif |
Dan Murphy | 9680553 | 2013-08-26 08:54:53 -0500 | [diff] [blame] | 197 | |
Paul Kocialkowski | 9fd5401 | 2015-08-27 19:37:11 +0200 | [diff] [blame^] | 198 | omap_die_id(die_id); |
| 199 | usb_fake_mac_from_die_id(die_id); |
Dan Murphy | ea02b65 | 2013-10-11 12:28:19 -0500 | [diff] [blame] | 200 | |
Sricharan | 508a58f | 2011-11-15 09:49:55 -0500 | [diff] [blame] | 201 | return 0; |
| 202 | } |
| 203 | |
| 204 | void set_muxconf_regs_essential(void) |
| 205 | { |
Lokesh Vutla | 9239f5b | 2013-05-30 02:54:30 +0000 | [diff] [blame] | 206 | do_set_mux((*ctrl)->control_padconf_core_base, |
| 207 | core_padconf_array_essential, |
Sricharan | 508a58f | 2011-11-15 09:49:55 -0500 | [diff] [blame] | 208 | sizeof(core_padconf_array_essential) / |
| 209 | sizeof(struct pad_conf_entry)); |
| 210 | |
Lokesh Vutla | 9239f5b | 2013-05-30 02:54:30 +0000 | [diff] [blame] | 211 | do_set_mux((*ctrl)->control_padconf_wkup_base, |
| 212 | wkup_padconf_array_essential, |
Sricharan | 508a58f | 2011-11-15 09:49:55 -0500 | [diff] [blame] | 213 | sizeof(wkup_padconf_array_essential) / |
| 214 | sizeof(struct pad_conf_entry)); |
| 215 | } |
| 216 | |
Sricharan | 508a58f | 2011-11-15 09:49:55 -0500 | [diff] [blame] | 217 | #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC) |
| 218 | int board_mmc_init(bd_t *bis) |
| 219 | { |
Nikita Kiryanov | e3913f5 | 2012-12-03 02:19:47 +0000 | [diff] [blame] | 220 | omap_mmc_init(0, 0, 0, -1, -1); |
| 221 | omap_mmc_init(1, 0, 0, -1, -1); |
Sricharan | 508a58f | 2011-11-15 09:49:55 -0500 | [diff] [blame] | 222 | return 0; |
| 223 | } |
| 224 | #endif |
Dan Murphy | 5e5cfaf | 2013-08-01 14:05:59 -0500 | [diff] [blame] | 225 | |
| 226 | #ifdef CONFIG_USB_EHCI |
| 227 | static struct omap_usbhs_board_data usbhs_bdata = { |
| 228 | .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED, |
| 229 | .port_mode[1] = OMAP_EHCI_PORT_MODE_HSIC, |
| 230 | .port_mode[2] = OMAP_EHCI_PORT_MODE_HSIC, |
| 231 | }; |
| 232 | |
Troy Kisky | 127efc4 | 2013-10-10 15:27:57 -0700 | [diff] [blame] | 233 | int ehci_hcd_init(int index, enum usb_init_type init, |
| 234 | struct ehci_hccr **hccr, struct ehci_hcor **hcor) |
Dan Murphy | 5e5cfaf | 2013-08-01 14:05:59 -0500 | [diff] [blame] | 235 | { |
| 236 | int ret; |
Dan Murphy | 5e5cfaf | 2013-08-01 14:05:59 -0500 | [diff] [blame] | 237 | |
| 238 | enable_host_clocks(); |
| 239 | |
Mateusz Zalega | 16297cf | 2013-10-04 19:22:26 +0200 | [diff] [blame] | 240 | ret = omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor); |
Dan Murphy | 5e5cfaf | 2013-08-01 14:05:59 -0500 | [diff] [blame] | 241 | if (ret < 0) { |
| 242 | puts("Failed to initialize ehci\n"); |
| 243 | return ret; |
| 244 | } |
| 245 | |
| 246 | return 0; |
| 247 | } |
| 248 | |
| 249 | int ehci_hcd_stop(void) |
| 250 | { |
| 251 | int ret; |
| 252 | |
| 253 | ret = omap_ehci_hcd_stop(); |
| 254 | return ret; |
| 255 | } |
Dan Murphy | 1572ead | 2013-08-01 14:06:02 -0500 | [diff] [blame] | 256 | |
| 257 | void usb_hub_reset_devices(int port) |
| 258 | { |
| 259 | /* The LAN9730 needs to be reset after the port power has been set. */ |
| 260 | if (port == 3) { |
| 261 | gpio_direction_output(CONFIG_OMAP_EHCI_PHY3_RESET_GPIO, 0); |
| 262 | udelay(10); |
| 263 | gpio_direction_output(CONFIG_OMAP_EHCI_PHY3_RESET_GPIO, 1); |
| 264 | } |
| 265 | } |
Dan Murphy | 5e5cfaf | 2013-08-01 14:05:59 -0500 | [diff] [blame] | 266 | #endif |
Dan Murphy | 9680553 | 2013-08-26 08:54:53 -0500 | [diff] [blame] | 267 | |
| 268 | #ifdef CONFIG_USB_XHCI_OMAP |
| 269 | /** |
| 270 | * @brief board_usb_init - Configure EVM board specific configurations |
| 271 | * for the LDO's and clocks for the USB blocks. |
| 272 | * |
| 273 | * @return 0 |
| 274 | */ |
Troy Kisky | 7e575c4 | 2013-10-22 14:27:17 -0700 | [diff] [blame] | 275 | int board_usb_init(int index, enum usb_init_type init) |
Dan Murphy | 9680553 | 2013-08-26 08:54:53 -0500 | [diff] [blame] | 276 | { |
| 277 | int ret; |
| 278 | #ifdef CONFIG_PALMAS_USB_SS_PWR |
| 279 | ret = palmas_enable_ss_ldo(); |
| 280 | #endif |
| 281 | |
| 282 | enable_host_clocks(); |
| 283 | |
| 284 | return 0; |
| 285 | } |
| 286 | #endif |