]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - board/ti/dra7xx/evm.c
ARM: DRA74-evm: Add iodelay values for SR2.0
[karo-tx-uboot.git] / board / ti / dra7xx / evm.c
index 9ae88c57a41a717fd0d58b709b836791505593ab..9603f10f8adeab9094be00b9a7e90fd97c88d9f1 100644 (file)
  */
 #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/dra7xx_iodelay.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"
 
 
 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
  *
@@ -80,39 +56,59 @@ int board_init(void)
 
 int board_late_init(void)
 {
-       omap_sata_init();
-       return 0;
-}
+#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+       u32 id[4];
 
-/**
- * @brief misc_init_r - Configure EVM board specific configurations
- * such as power configurations, ethernet initialization as phase2 of
- * boot sequence
- *
- * @return 0
- */
-int misc_init_r(void)
-{
+       if (omap_revision() == DRA722_ES1_0)
+               setenv("board_name", "dra72x");
+       else
+               setenv("board_name", "dra7xx");
+
+       id[0] = readl((*ctrl)->control_std_fuse_die_id_0);
+       id[1] = readl((*ctrl)->control_std_fuse_die_id_1);
+       usb_set_serial_num_from_die_id(id);
+#endif
        return 0;
 }
 
-static void do_set_mux32(u32 base,
-                        struct pad_conf_entry const *array, int size)
+void set_muxconf_regs_essential(void)
 {
-       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);
+       do_set_mux32((*ctrl)->control_padconf_core_base,
+                    early_padconf, ARRAY_SIZE(early_padconf));
 }
 
-void set_muxconf_regs_essential(void)
+#ifdef CONFIG_IODELAY_RECALIBRATION
+void recalibrate_iodelay(void)
 {
-       do_set_mux32((*ctrl)->control_padconf_core_base,
-                    core_padconf_array_essential,
-                    sizeof(core_padconf_array_essential) /
-                    sizeof(struct pad_conf_entry));
+       struct pad_conf_entry const *pads;
+       struct iodelay_cfg_entry const *iodelay;
+       int npads, niodelays;
+
+       switch (omap_revision()) {
+       case DRA722_ES1_0:
+               pads = core_padconf_array_essential;
+               npads = ARRAY_SIZE(core_padconf_array_essential);
+               iodelay = iodelay_cfg_array;
+               niodelays = ARRAY_SIZE(iodelay_cfg_array);
+               break;
+       case DRA752_ES1_0:
+       case DRA752_ES1_1:
+               pads = dra74x_core_padconf_array;
+               npads = ARRAY_SIZE(dra74x_core_padconf_array);
+               iodelay = dra742_es1_1_iodelay_cfg_array;
+               niodelays = ARRAY_SIZE(dra742_es1_1_iodelay_cfg_array);
+               break;
+       default:
+       case DRA752_ES2_0:
+               pads = dra74x_core_padconf_array;
+               npads = ARRAY_SIZE(dra74x_core_padconf_array);
+               iodelay = dra742_es2_0_iodelay_cfg_array;
+               niodelays = ARRAY_SIZE(dra742_es2_0_iodelay_cfg_array);
+               break;
+       }
+       __recalibrate_iodelay(pads, npads, iodelay, niodelays);
 }
+#endif
 
 #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC)
 int board_mmc_init(bd_t *bis)
@@ -123,19 +119,130 @@ int board_mmc_init(bd_t *bis)
 }
 #endif
 
-#ifdef CONFIG_DRIVER_TI_CPSW
+#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,
+};
 
-/* 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)
+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
+extern u32 *const omap_si_rev;
 
 static void cpsw_control(int enabled)
 {
@@ -148,12 +255,12 @@ static struct cpsw_slave_data cpsw_slaves[] = {
        {
                .slave_reg_ofs  = 0x208,
                .sliver_reg_ofs = 0xd80,
-               .phy_id         = 0,
+               .phy_addr       = 2,
        },
        {
                .slave_reg_ofs  = 0x308,
                .sliver_reg_ofs = 0xdc0,
-               .phy_id         = 1,
+               .phy_addr       = 3,
        },
 };
 
@@ -163,7 +270,7 @@ static struct cpsw_platform_data cpsw_data = {
        .mdio_div               = 0xff,
        .channels               = 8,
        .cpdma_reg_ofs          = 0x800,
-       .slaves                 = 1,
+       .slaves                 = 2,
        .slave_data             = cpsw_slaves,
        .ale_reg_ofs            = 0xd00,
        .ale_entries            = 1024,
@@ -182,43 +289,45 @@ int board_eth_init(bd_t *bis)
        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 & 0xFF;
+       mac_addr[0] = (mac_hi & 0xFF0000) >> 16;
        mac_addr[1] = (mac_hi & 0xFF00) >> 8;
-       mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
-       mac_addr[3] = mac_lo & 0xFF;
+       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 & 0xFF0000) >> 16;
+       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))
+               if (is_valid_ethaddr(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_ethaddr(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);
@@ -226,3 +335,29 @@ int board_eth_init(bd_t *bis)
        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