index f0eca54c9e9626bcdd187e60d6b8b03501831f34..d5163acb77b298324532b2cd4bb37c7a300d5863 100644 (file)
--- a/board/ti/am335x/board.c
+++ b/board/ti/am335x/board.c
/* 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
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.
*/
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
.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,
.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,
.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,
};
#endif
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
}
gd->bd->bi_boot_params = PHYS_DRAM_1 + 0x100;
+ gpmc_init();
+
return 0;
}
}
#endif
-#ifdef CONFIG_DRIVER_TI_CPSW
+#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 */
};
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,
.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,
int board_eth_init(bd_t *bis)
{
int rv, n = 0;
-#ifdef CONFIG_DRIVER_TI_CPSW
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
- goto try_usbether;
}
if (board_is_bone() || board_is_bone_lt() || board_is_idk()) {
printf("Error %d registering CPSW switch\n", rv);
else
n += rv;
+
+ /*
+ *
+ * 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
-try_usbether:
-#if defined(CONFIG_USB_ETHER) && !defined(CONFIG_SPL_BUILD)
+#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);