| /* |
| * (C) Copyright 2013 |
| * Texas Instruments Incorporated, <www.ti.com> |
| * |
| * Lokesh Vutla <lokeshvutla@ti.com> |
| * |
| * Based on previous work by: |
| * Aneesh V <aneesh@ti.com> |
| * Steve Sakoman <steve@sakoman.com> |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| #include <common.h> |
| #include <palmas.h> |
| #include <sata.h> |
| #include <asm/gpio.h> |
| #include <usb.h> |
| #include <linux/usb/gadget.h> |
| #include <asm/arch/gpio.h> |
| #include <asm/arch/sys_proto.h> |
| #include <asm/arch/mmc_host_def.h> |
| #include <asm/arch/sata.h> |
| #include <environment.h> |
| #include <dwc3-uboot.h> |
| #include <dwc3-omap-uboot.h> |
| #include <ti-usb-phy-uboot.h> |
| |
| #include "mux_data.h" |
| |
| #ifdef CONFIG_DRIVER_TI_CPSW |
| #include <cpsw.h> |
| #endif |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| /* GPIO 7_11 */ |
| #define GPIO_DDR_VTT_EN 203 |
| |
| const struct omap_sysinfo sysinfo = { |
| "Board: DRA7xx\n" |
| }; |
| |
| /* |
| * Adjust I/O delays on the Tx control and data lines of each MAC port. This |
| * is a workaround in order to work properly with the DP83865 PHYs on the EVM. |
| * In 3COM RGMII mode this PHY applies it's own internal clock delay, so we |
| * essentially need to counteract the DRA7xx internal delay, and we do this |
| * by delaying the control and data lines. If not using this PHY, you probably |
| * don't need to do this stuff! |
| */ |
| static void dra7xx_adj_io_delay(const struct io_delay *io_dly) |
| { |
| int i = 0; |
| u32 reg_val; |
| u32 delta; |
| u32 coarse; |
| u32 fine; |
| |
| writel(CFG_IO_DELAY_UNLOCK_KEY, CFG_IO_DELAY_LOCK); |
| |
| while(io_dly[i].addr) { |
| writel(CFG_IO_DELAY_ACCESS_PATTERN & ~CFG_IO_DELAY_LOCK_MASK, |
| io_dly[i].addr); |
| delta = io_dly[i].dly; |
| reg_val = readl(io_dly[i].addr) & 0x3ff; |
| coarse = ((reg_val >> 5) & 0x1F) + ((delta >> 5) & 0x1F); |
| coarse = (coarse > 0x1F) ? (0x1F) : (coarse); |
| fine = (reg_val & 0x1F) + (delta & 0x1F); |
| fine = (fine > 0x1F) ? (0x1F) : (fine); |
| reg_val = CFG_IO_DELAY_ACCESS_PATTERN | |
| CFG_IO_DELAY_LOCK_MASK | |
| ((coarse << 5) | (fine)); |
| writel(reg_val, io_dly[i].addr); |
| i++; |
| } |
| |
| writel(CFG_IO_DELAY_LOCK_KEY, CFG_IO_DELAY_LOCK); |
| } |
| |
| /** |
| * @brief board_init |
| * |
| * @return 0 |
| */ |
| int board_init(void) |
| { |
| gpmc_init(); |
| gd->bd->bi_boot_params = (0x80000000 + 0x100); /* boot param addr */ |
| |
| return 0; |
| } |
| |
| int board_late_init(void) |
| { |
| #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG |
| if (omap_revision() == DRA722_ES1_0) |
| setenv("board_name", "dra72x"); |
| else |
| setenv("board_name", "dra7xx"); |
| #endif |
| return 0; |
| } |
| |
| static void do_set_mux32(u32 base, |
| struct pad_conf_entry const *array, int size) |
| { |
| int i; |
| struct pad_conf_entry *pad = (struct pad_conf_entry *)array; |
| |
| for (i = 0; i < size; i++, pad++) |
| writel(pad->val, base + pad->offset); |
| } |
| |
| void set_muxconf_regs_essential(void) |
| { |
| do_set_mux32((*ctrl)->control_padconf_core_base, |
| core_padconf_array_essential, |
| sizeof(core_padconf_array_essential) / |
| sizeof(struct pad_conf_entry)); |
| } |
| |
| #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC) |
| int board_mmc_init(bd_t *bis) |
| { |
| omap_mmc_init(0, 0, 0, -1, -1); |
| omap_mmc_init(1, 0, 0, -1, -1); |
| return 0; |
| } |
| #endif |
| |
| #ifdef CONFIG_USB_DWC3 |
| static struct dwc3_device usb_otg_ss1 = { |
| .maximum_speed = USB_SPEED_SUPER, |
| .base = DRA7_USB_OTG_SS1_BASE, |
| .tx_fifo_resize = false, |
| .index = 0, |
| }; |
| |
| static struct dwc3_omap_device usb_otg_ss1_glue = { |
| .base = (void *)DRA7_USB_OTG_SS1_GLUE_BASE, |
| .utmi_mode = DWC3_OMAP_UTMI_MODE_SW, |
| .vbus_id_status = OMAP_DWC3_VBUS_VALID, |
| .index = 0, |
| }; |
| |
| static struct ti_usb_phy_device usb_phy1_device = { |
| .pll_ctrl_base = (void *)DRA7_USB3_PHY1_PLL_CTRL, |
| .usb2_phy_power = (void *)DRA7_USB2_PHY1_POWER, |
| .usb3_phy_power = (void *)DRA7_USB3_PHY1_POWER, |
| .index = 0, |
| }; |
| |
| static struct dwc3_device usb_otg_ss2 = { |
| .maximum_speed = USB_SPEED_SUPER, |
| .base = DRA7_USB_OTG_SS2_BASE, |
| .tx_fifo_resize = false, |
| .index = 1, |
| }; |
| |
| static struct dwc3_omap_device usb_otg_ss2_glue = { |
| .base = (void *)DRA7_USB_OTG_SS2_GLUE_BASE, |
| .utmi_mode = DWC3_OMAP_UTMI_MODE_SW, |
| .vbus_id_status = OMAP_DWC3_VBUS_VALID, |
| .index = 1, |
| }; |
| |
| static struct ti_usb_phy_device usb_phy2_device = { |
| .usb2_phy_power = (void *)DRA7_USB2_PHY2_POWER, |
| .index = 1, |
| }; |
| |
| int board_usb_init(int index, enum usb_init_type init) |
| { |
| switch (index) { |
| case 0: |
| if (init == USB_INIT_DEVICE) { |
| usb_otg_ss1.dr_mode = USB_DR_MODE_PERIPHERAL; |
| usb_otg_ss1_glue.vbus_id_status = OMAP_DWC3_VBUS_VALID; |
| } else { |
| usb_otg_ss1.dr_mode = USB_DR_MODE_HOST; |
| usb_otg_ss1_glue.vbus_id_status = OMAP_DWC3_ID_GROUND; |
| } |
| |
| ti_usb_phy_uboot_init(&usb_phy1_device); |
| dwc3_omap_uboot_init(&usb_otg_ss1_glue); |
| dwc3_uboot_init(&usb_otg_ss1); |
| break; |
| case 1: |
| if (init == USB_INIT_DEVICE) { |
| usb_otg_ss2.dr_mode = USB_DR_MODE_PERIPHERAL; |
| usb_otg_ss2_glue.vbus_id_status = OMAP_DWC3_VBUS_VALID; |
| } else { |
| usb_otg_ss2.dr_mode = USB_DR_MODE_HOST; |
| usb_otg_ss2_glue.vbus_id_status = OMAP_DWC3_ID_GROUND; |
| } |
| |
| ti_usb_phy_uboot_init(&usb_phy2_device); |
| dwc3_omap_uboot_init(&usb_otg_ss2_glue); |
| dwc3_uboot_init(&usb_otg_ss2); |
| break; |
| default: |
| printf("Invalid Controller Index\n"); |
| } |
| |
| return 0; |
| } |
| |
| int board_usb_cleanup(int index, enum usb_init_type init) |
| { |
| switch (index) { |
| case 0: |
| case 1: |
| ti_usb_phy_uboot_exit(index); |
| dwc3_uboot_exit(index); |
| dwc3_omap_uboot_exit(index); |
| break; |
| default: |
| printf("Invalid Controller Index\n"); |
| } |
| return 0; |
| } |
| |
| int usb_gadget_handle_interrupts(int index) |
| { |
| u32 status; |
| |
| status = dwc3_omap_uboot_interrupt_status(index); |
| if (status) |
| dwc3_uboot_handle_interrupt(index); |
| |
| return 0; |
| } |
| #endif |
| |
| #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_OS_BOOT) |
| int spl_start_uboot(void) |
| { |
| /* break into full u-boot on 'c' */ |
| if (serial_tstc() && serial_getc() == 'c') |
| return 1; |
| |
| #ifdef CONFIG_SPL_ENV_SUPPORT |
| env_init(); |
| env_relocate_spec(); |
| if (getenv_yesno("boot_os") != 1) |
| return 1; |
| #endif |
| |
| return 0; |
| } |
| #endif |
| |
| #ifdef CONFIG_DRIVER_TI_CPSW |
| |
| /* Delay value to add to calibrated value */ |
| #define RGMII0_TXCTL_DLY_VAL ((0x3 << 5) + 0x8) |
| #define RGMII0_TXD0_DLY_VAL ((0x3 << 5) + 0x8) |
| #define RGMII0_TXD1_DLY_VAL ((0x3 << 5) + 0x2) |
| #define RGMII0_TXD2_DLY_VAL ((0x4 << 5) + 0x0) |
| #define RGMII0_TXD3_DLY_VAL ((0x4 << 5) + 0x0) |
| #define VIN2A_D13_DLY_VAL ((0x3 << 5) + 0x8) |
| #define VIN2A_D17_DLY_VAL ((0x3 << 5) + 0x8) |
| #define VIN2A_D16_DLY_VAL ((0x3 << 5) + 0x2) |
| #define VIN2A_D15_DLY_VAL ((0x4 << 5) + 0x0) |
| #define VIN2A_D14_DLY_VAL ((0x4 << 5) + 0x0) |
| |
| extern u32 *const omap_si_rev; |
| |
| static void cpsw_control(int enabled) |
| { |
| /* VTP can be added here */ |
| |
| return; |
| } |
| |
| static struct cpsw_slave_data cpsw_slaves[] = { |
| { |
| .slave_reg_ofs = 0x208, |
| .sliver_reg_ofs = 0xd80, |
| .phy_addr = 2, |
| }, |
| { |
| .slave_reg_ofs = 0x308, |
| .sliver_reg_ofs = 0xdc0, |
| .phy_addr = 3, |
| }, |
| }; |
| |
| static struct cpsw_platform_data cpsw_data = { |
| .mdio_base = CPSW_MDIO_BASE, |
| .cpsw_base = CPSW_BASE, |
| .mdio_div = 0xff, |
| .channels = 8, |
| .cpdma_reg_ofs = 0x800, |
| .slaves = 2, |
| .slave_data = cpsw_slaves, |
| .ale_reg_ofs = 0xd00, |
| .ale_entries = 1024, |
| .host_port_reg_ofs = 0x108, |
| .hw_stats_reg_ofs = 0x900, |
| .bd_ram_ofs = 0x2000, |
| .mac_control = (1 << 5), |
| .control = cpsw_control, |
| .host_port_num = 0, |
| .version = CPSW_CTRL_VERSION_2, |
| }; |
| |
| int board_eth_init(bd_t *bis) |
| { |
| int ret; |
| uint8_t mac_addr[6]; |
| uint32_t mac_hi, mac_lo; |
| uint32_t ctrl_val; |
| const struct io_delay io_dly[] = { |
| {CFG_RGMII0_TXCTL, RGMII0_TXCTL_DLY_VAL}, |
| {CFG_RGMII0_TXD0, RGMII0_TXD0_DLY_VAL}, |
| {CFG_RGMII0_TXD1, RGMII0_TXD1_DLY_VAL}, |
| {CFG_RGMII0_TXD2, RGMII0_TXD2_DLY_VAL}, |
| {CFG_RGMII0_TXD3, RGMII0_TXD3_DLY_VAL}, |
| {CFG_VIN2A_D13, VIN2A_D13_DLY_VAL}, |
| {CFG_VIN2A_D17, VIN2A_D17_DLY_VAL}, |
| {CFG_VIN2A_D16, VIN2A_D16_DLY_VAL}, |
| {CFG_VIN2A_D15, VIN2A_D15_DLY_VAL}, |
| {CFG_VIN2A_D14, VIN2A_D14_DLY_VAL}, |
| {0} |
| }; |
| |
| /* Adjust IO delay for RGMII tx path */ |
| dra7xx_adj_io_delay(io_dly); |
| |
| /* try reading mac address from efuse */ |
| mac_lo = readl((*ctrl)->control_core_mac_id_0_lo); |
| mac_hi = readl((*ctrl)->control_core_mac_id_0_hi); |
| mac_addr[0] = (mac_hi & 0xFF0000) >> 16; |
| mac_addr[1] = (mac_hi & 0xFF00) >> 8; |
| mac_addr[2] = mac_hi & 0xFF; |
| mac_addr[3] = (mac_lo & 0xFF0000) >> 16; |
| mac_addr[4] = (mac_lo & 0xFF00) >> 8; |
| mac_addr[5] = mac_lo & 0xFF; |
| |
| if (!getenv("ethaddr")) { |
| printf("<ethaddr> not set. Validating first E-fuse MAC\n"); |
| |
| if (is_valid_ether_addr(mac_addr)) |
| eth_setenv_enetaddr("ethaddr", mac_addr); |
| } |
| |
| mac_lo = readl((*ctrl)->control_core_mac_id_1_lo); |
| mac_hi = readl((*ctrl)->control_core_mac_id_1_hi); |
| mac_addr[0] = (mac_hi & 0xFF0000) >> 16; |
| mac_addr[1] = (mac_hi & 0xFF00) >> 8; |
| mac_addr[2] = mac_hi & 0xFF; |
| mac_addr[3] = (mac_lo & 0xFF0000) >> 16; |
| mac_addr[4] = (mac_lo & 0xFF00) >> 8; |
| mac_addr[5] = mac_lo & 0xFF; |
| |
| if (!getenv("eth1addr")) { |
| if (is_valid_ether_addr(mac_addr)) |
| eth_setenv_enetaddr("eth1addr", mac_addr); |
| } |
| |
| ctrl_val = readl((*ctrl)->control_core_control_io1) & (~0x33); |
| ctrl_val |= 0x22; |
| writel(ctrl_val, (*ctrl)->control_core_control_io1); |
| |
| if (*omap_si_rev == DRA722_ES1_0) |
| cpsw_data.active_slave = 1; |
| |
| ret = cpsw_register(&cpsw_data); |
| if (ret < 0) |
| printf("Error %d registering CPSW switch\n", ret); |
| |
| return ret; |
| } |
| #endif |
| |
| #ifdef CONFIG_BOARD_EARLY_INIT_F |
| /* VTT regulator enable */ |
| static inline void vtt_regulator_enable(void) |
| { |
| if (omap_hw_init_context() == OMAP_INIT_CONTEXT_UBOOT_AFTER_SPL) |
| return; |
| |
| /* Do not enable VTT for DRA722 */ |
| if (omap_revision() == DRA722_ES1_0) |
| return; |
| |
| /* |
| * EVM Rev G and later use gpio7_11 for DDR3 termination. |
| * This is safe enough to do on older revs. |
| */ |
| gpio_request(GPIO_DDR_VTT_EN, "ddr_vtt_en"); |
| gpio_direction_output(GPIO_DDR_VTT_EN, 1); |
| } |
| |
| int board_early_init_f(void) |
| { |
| vtt_regulator_enable(); |
| return 0; |
| } |
| #endif |