]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - board/ti/am335x/board.c
Merge branch 'master' of git://git.denx.de/u-boot-arm
[karo-tx-uboot.git] / board / ti / am335x / board.c
index 5d279ecdbc1952452c93256f86a88f3e76358e49..638cc4d68b2ad5238443c6c180f378e66278b826 100644 (file)
@@ -44,7 +44,7 @@ static struct uart_sys *uart_base = (struct uart_sys *)DEFAULT_UART_BASE;
 
 /* MII mode defines */
 #define MII_MODE_ENABLE                0x0
-#define RGMII_MODE_ENABLE      0xA
+#define RGMII_MODE_ENABLE      0x3A
 
 /* GPIO that controls power to DDR on EVM-SK */
 #define GPIO_DDR_VTT_EN                7
@@ -68,6 +68,22 @@ static inline int board_is_evm_sk(void)
        return !strncmp("A335X_SK", header.name, HDR_NAME_LEN);
 }
 
+static inline int board_is_idk(void)
+{
+       return !strncmp(header.config, "SKU#02", 6);
+}
+
+static int __maybe_unused board_is_gp_evm(void)
+{
+       return !strncmp("A33515BB", header.name, 8);
+}
+
+int board_is_evm_15_or_later(void)
+{
+       return (!strncmp("A33515BB", header.name, 8) &&
+               strncmp("1.5", header.version, 3) <= 0);
+}
+
 /*
  * Read header information from EEPROM into global structure.
  */
@@ -118,7 +134,7 @@ static int read_eeprom(void)
 
 static void rtc32k_enable(void)
 {
-       struct rtc_regs *rtc = (struct rtc_regs *)AM335X_RTC_BASE;
+       struct rtc_regs *rtc = (struct rtc_regs *)RTC_BASE;
 
        /*
         * Unlock the RTC's registers.  For more details please see the
@@ -192,6 +208,22 @@ static const struct ddr_data ddr3_data = {
        .datadldiff0 = PHY_DLL_LOCK_DIFF,
 };
 
+static const struct ddr_data ddr3_beagleblack_data = {
+       .datardsratio0 = MT41K256M16HA125E_RD_DQS,
+       .datawdsratio0 = MT41K256M16HA125E_WR_DQS,
+       .datafwsratio0 = MT41K256M16HA125E_PHY_FIFO_WE,
+       .datawrsratio0 = MT41K256M16HA125E_PHY_WR_DATA,
+       .datadldiff0 = PHY_DLL_LOCK_DIFF,
+};
+
+static const struct ddr_data ddr3_evm_data = {
+       .datardsratio0 = MT41J512M8RH125_RD_DQS,
+       .datawdsratio0 = MT41J512M8RH125_WR_DQS,
+       .datafwsratio0 = MT41J512M8RH125_PHY_FIFO_WE,
+       .datawrsratio0 = MT41J512M8RH125_PHY_WR_DATA,
+       .datadldiff0 = PHY_DLL_LOCK_DIFF,
+};
+
 static const struct cmd_control ddr3_cmd_ctrl_data = {
        .cmd0csratio = MT41J128MJT125_RATIO,
        .cmd0dldiff = MT41J128MJT125_DLL_LOCK_DIFF,
@@ -206,6 +238,34 @@ static const struct cmd_control ddr3_cmd_ctrl_data = {
        .cmd2iclkout = MT41J128MJT125_INVERT_CLKOUT,
 };
 
+static const struct cmd_control ddr3_beagleblack_cmd_ctrl_data = {
+       .cmd0csratio = MT41K256M16HA125E_RATIO,
+       .cmd0dldiff = MT41K256M16HA125E_DLL_LOCK_DIFF,
+       .cmd0iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
+
+       .cmd1csratio = MT41K256M16HA125E_RATIO,
+       .cmd1dldiff = MT41K256M16HA125E_DLL_LOCK_DIFF,
+       .cmd1iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
+
+       .cmd2csratio = MT41K256M16HA125E_RATIO,
+       .cmd2dldiff = MT41K256M16HA125E_DLL_LOCK_DIFF,
+       .cmd2iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
+};
+
+static const struct cmd_control ddr3_evm_cmd_ctrl_data = {
+       .cmd0csratio = MT41J512M8RH125_RATIO,
+       .cmd0dldiff = MT41J512M8RH125_DLL_LOCK_DIFF,
+       .cmd0iclkout = MT41J512M8RH125_INVERT_CLKOUT,
+
+       .cmd1csratio = MT41J512M8RH125_RATIO,
+       .cmd1dldiff = MT41J512M8RH125_DLL_LOCK_DIFF,
+       .cmd1iclkout = MT41J512M8RH125_INVERT_CLKOUT,
+
+       .cmd2csratio = MT41J512M8RH125_RATIO,
+       .cmd2dldiff = MT41J512M8RH125_DLL_LOCK_DIFF,
+       .cmd2iclkout = MT41J512M8RH125_INVERT_CLKOUT,
+};
+
 static struct emif_regs ddr3_emif_reg_data = {
        .sdram_config = MT41J128MJT125_EMIF_SDCFG,
        .ref_ctrl = MT41J128MJT125_EMIF_SDREF,
@@ -213,8 +273,39 @@ static struct emif_regs ddr3_emif_reg_data = {
        .sdram_tim2 = MT41J128MJT125_EMIF_TIM2,
        .sdram_tim3 = MT41J128MJT125_EMIF_TIM3,
        .zq_config = MT41J128MJT125_ZQ_CFG,
-       .emif_ddr_phy_ctlr_1 = MT41J128MJT125_EMIF_READ_LATENCY,
+       .emif_ddr_phy_ctlr_1 = MT41J128MJT125_EMIF_READ_LATENCY |
+                               PHY_EN_DYN_PWRDN,
 };
+
+static struct emif_regs ddr3_beagleblack_emif_reg_data = {
+       .sdram_config = MT41K256M16HA125E_EMIF_SDCFG,
+       .ref_ctrl = MT41K256M16HA125E_EMIF_SDREF,
+       .sdram_tim1 = MT41K256M16HA125E_EMIF_TIM1,
+       .sdram_tim2 = MT41K256M16HA125E_EMIF_TIM2,
+       .sdram_tim3 = MT41K256M16HA125E_EMIF_TIM3,
+       .zq_config = MT41K256M16HA125E_ZQ_CFG,
+       .emif_ddr_phy_ctlr_1 = MT41K256M16HA125E_EMIF_READ_LATENCY,
+};
+
+static struct emif_regs ddr3_evm_emif_reg_data = {
+       .sdram_config = MT41J512M8RH125_EMIF_SDCFG,
+       .ref_ctrl = MT41J512M8RH125_EMIF_SDREF,
+       .sdram_tim1 = MT41J512M8RH125_EMIF_TIM1,
+       .sdram_tim2 = MT41J512M8RH125_EMIF_TIM2,
+       .sdram_tim3 = MT41J512M8RH125_EMIF_TIM3,
+       .zq_config = MT41J512M8RH125_ZQ_CFG,
+       .emif_ddr_phy_ctlr_1 = MT41J512M8RH125_EMIF_READ_LATENCY |
+                               PHY_EN_DYN_PWRDN,
+};
+
+#ifdef CONFIG_SPL_OS_BOOT
+int spl_start_uboot(void)
+{
+       /* break into full u-boot on 'c' */
+       return (serial_tstc() && serial_getc() == 'c');
+}
+#endif
+
 #endif
 
 /*
@@ -222,6 +313,15 @@ static struct emif_regs ddr3_emif_reg_data = {
  */
 void s_init(void)
 {
+       /*
+        * Save the boot parameters passed from romcode.
+        * We cannot delay the saving further than this,
+        * to prevent overwrites.
+        */
+#ifdef CONFIG_SPL_BUILD
+       save_omap_boot_params();
+#endif
+
        /* WDT1 is already running when the bootloader gets control
         * Disable it to avoid "random" resets
         */
@@ -242,7 +342,24 @@ void s_init(void)
        /* UART softreset */
        u32 regVal;
 
+#ifdef CONFIG_SERIAL1
        enable_uart0_pin_mux();
+#endif /* CONFIG_SERIAL1 */
+#ifdef CONFIG_SERIAL2
+       enable_uart1_pin_mux();
+#endif /* CONFIG_SERIAL2 */
+#ifdef CONFIG_SERIAL3
+       enable_uart2_pin_mux();
+#endif /* CONFIG_SERIAL3 */
+#ifdef CONFIG_SERIAL4
+       enable_uart3_pin_mux();
+#endif /* CONFIG_SERIAL4 */
+#ifdef CONFIG_SERIAL5
+       enable_uart4_pin_mux();
+#endif /* CONFIG_SERIAL5 */
+#ifdef CONFIG_SERIAL6
+       enable_uart5_pin_mux();
+#endif /* CONFIG_SERIAL6 */
 
        regVal = readl(&uart_base->uartsyscfg);
        regVal |= UART_RESET;
@@ -276,12 +393,20 @@ void s_init(void)
                gpio_direction_output(GPIO_DDR_VTT_EN, 1);
        }
 
-       if (board_is_evm_sk() || board_is_bone_lt())
+       if (board_is_evm_sk())
                config_ddr(303, MT41J128MJT125_IOCTRL_VALUE, &ddr3_data,
-                          &ddr3_cmd_ctrl_data, &ddr3_emif_reg_data);
+                          &ddr3_cmd_ctrl_data, &ddr3_emif_reg_data, 0);
+       else if (board_is_bone_lt())
+               config_ddr(400, MT41K256M16HA125E_IOCTRL_VALUE,
+                          &ddr3_beagleblack_data,
+                          &ddr3_beagleblack_cmd_ctrl_data,
+                          &ddr3_beagleblack_emif_reg_data, 0);
+       else if (board_is_evm_15_or_later())
+               config_ddr(303, MT41J512M8RH125_IOCTRL_VALUE, &ddr3_evm_data,
+                          &ddr3_evm_cmd_ctrl_data, &ddr3_evm_emif_reg_data, 0);
        else
                config_ddr(266, MT47H128M16RT25E_IOCTRL_VALUE, &ddr2_data,
-                          &ddr2_cmd_ctrl_data, &ddr2_emif_reg_data);
+                          &ddr2_cmd_ctrl_data, &ddr2_emif_reg_data, 0);
 #endif
 }
 
@@ -296,10 +421,33 @@ int board_init(void)
 
        gd->bd->bi_boot_params = PHYS_DRAM_1 + 0x100;
 
+       gpmc_init();
+
        return 0;
 }
 
-#ifdef CONFIG_DRIVER_TI_CPSW
+#ifdef CONFIG_BOARD_LATE_INIT
+int board_late_init(void)
+{
+#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+       char safe_string[HDR_NAME_LEN + 1];
+
+       /* Now set variables based on the header. */
+       strncpy(safe_string, (char *)header.name, sizeof(header.name));
+       safe_string[sizeof(header.name)] = 0;
+       setenv("board_name", safe_string);
+
+       strncpy(safe_string, (char *)header.version, sizeof(header.version));
+       safe_string[sizeof(header.version)] = 0;
+       setenv("board_rev", safe_string);
+#endif
+
+       return 0;
+}
+#endif
+
+#if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
+       (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
 static void cpsw_control(int enabled)
 {
        /* VTP can be added here */
@@ -321,8 +469,8 @@ static struct cpsw_slave_data cpsw_slaves[] = {
 };
 
 static struct cpsw_platform_data cpsw_data = {
-       .mdio_base              = AM335X_CPSW_MDIO_BASE,
-       .cpsw_base              = AM335X_CPSW_BASE,
+       .mdio_base              = CPSW_MDIO_BASE,
+       .cpsw_base              = CPSW_BASE,
        .mdio_div               = 0xff,
        .channels               = 8,
        .cpdma_reg_ofs          = 0x800,
@@ -337,31 +485,37 @@ static struct cpsw_platform_data cpsw_data = {
        .host_port_num          = 0,
        .version                = CPSW_CTRL_VERSION_2,
 };
+#endif
 
+#if defined(CONFIG_DRIVER_TI_CPSW) || \
+       (defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET))
 int board_eth_init(bd_t *bis)
 {
+       int rv, n = 0;
        uint8_t mac_addr[6];
        uint32_t mac_hi, mac_lo;
 
-       if (!eth_getenv_enetaddr("ethaddr", mac_addr)) {
-               debug("<ethaddr> not set. Reading from E-fuse\n");
-               /* try reading mac address from efuse */
-               mac_lo = readl(&cdev->macid0l);
-               mac_hi = readl(&cdev->macid0h);
-               mac_addr[0] = mac_hi & 0xFF;
-               mac_addr[1] = (mac_hi & 0xFF00) >> 8;
-               mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
-               mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
-               mac_addr[4] = mac_lo & 0xFF;
-               mac_addr[5] = (mac_lo & 0xFF00) >> 8;
+       /* try reading mac address from efuse */
+       mac_lo = readl(&cdev->macid0l);
+       mac_hi = readl(&cdev->macid0h);
+       mac_addr[0] = mac_hi & 0xFF;
+       mac_addr[1] = (mac_hi & 0xFF00) >> 8;
+       mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
+       mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
+       mac_addr[4] = mac_lo & 0xFF;
+       mac_addr[5] = (mac_lo & 0xFF00) >> 8;
+
+#if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
+       (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
+       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);
-               else
-                       return -1;
        }
 
-       if (board_is_bone() || board_is_bone_lt()) {
+#ifdef CONFIG_DRIVER_TI_CPSW
+       if (board_is_bone() || board_is_bone_lt() || board_is_idk()) {
                writel(MII_MODE_ENABLE, &cdev->miisel);
                cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if =
                                PHY_INTERFACE_MODE_MII;
@@ -371,6 +525,46 @@ int board_eth_init(bd_t *bis)
                                PHY_INTERFACE_MODE_RGMII;
        }
 
-       return cpsw_register(&cpsw_data);
+       rv = cpsw_register(&cpsw_data);
+       if (rv < 0)
+               printf("Error %d registering CPSW switch\n", rv);
+       else
+               n += rv;
+#endif
+
+       /*
+        *
+        * CPSW RGMII Internal Delay Mode is not supported in all PVT
+        * operating points.  So we must set the TX clock delay feature
+        * in the AR8051 PHY.  Since we only support a single ethernet
+        * device in U-Boot, we only do this for the first instance.
+        */
+#define AR8051_PHY_DEBUG_ADDR_REG      0x1d
+#define AR8051_PHY_DEBUG_DATA_REG      0x1e
+#define AR8051_DEBUG_RGMII_CLK_DLY_REG 0x5
+#define AR8051_RGMII_TX_CLK_DLY                0x100
+
+       if (board_is_evm_sk() || board_is_gp_evm()) {
+               const char *devname;
+               devname = miiphy_get_current_dev();
+
+               miiphy_write(devname, 0x0, AR8051_PHY_DEBUG_ADDR_REG,
+                               AR8051_DEBUG_RGMII_CLK_DLY_REG);
+               miiphy_write(devname, 0x0, AR8051_PHY_DEBUG_DATA_REG,
+                               AR8051_RGMII_TX_CLK_DLY);
+       }
+#endif
+#if defined(CONFIG_USB_ETHER) && \
+       (!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USBETH_SUPPORT))
+       if (is_valid_ether_addr(mac_addr))
+               eth_setenv_enetaddr("usbnet_devaddr", mac_addr);
+
+       rv = usb_eth_initialize(bis);
+       if (rv < 0)
+               printf("Error %d registering USB_ETHER\n", rv);
+       else
+               n += rv;
+#endif
+       return n;
 }
 #endif