*/
#include <common.h>
+#include <i2c.h>
+#include <asm/errno.h>
#include <spl.h>
+#include <usb.h>
#include <asm/arch/clock.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/mux.h>
+#include <asm/arch/ddr_defs.h>
+#include <asm/arch/gpio.h>
+#include <asm/emif.h>
#include "board.h"
+#include <power/pmic.h>
+#include <power/tps65218.h>
+#include <power/tps62362.h>
+#include <miiphy.h>
+#include <cpsw.h>
+#include <linux/usb/gadget.h>
+#include <dwc3-uboot.h>
+#include <dwc3-omap-uboot.h>
+#include <ti-usb-phy-uboot.h>
DECLARE_GLOBAL_DATA_PTR;
-#ifdef CONFIG_SPL_BUILD
+static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
-const struct dpll_params dpll_ddr = {
- -1, -1, -1, -1, -1, -1, -1};
+/*
+ * Read header information from EEPROM into global structure.
+ */
+static int read_eeprom(struct am43xx_board_id *header)
+{
+ /* Check if baseboard eeprom is available */
+ if (i2c_probe(CONFIG_SYS_I2C_EEPROM_ADDR)) {
+ printf("Could not probe the EEPROM at 0x%x\n",
+ CONFIG_SYS_I2C_EEPROM_ADDR);
+ return -ENODEV;
+ }
+
+ /* read the eeprom using i2c */
+ if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0, 2, (uchar *)header,
+ sizeof(struct am43xx_board_id))) {
+ printf("Could not read the EEPROM\n");
+ return -EIO;
+ }
+
+ if (header->magic != 0xEE3355AA) {
+ /*
+ * read the eeprom using i2c again,
+ * but use only a 1 byte address
+ */
+ if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0, 1, (uchar *)header,
+ sizeof(struct am43xx_board_id))) {
+ printf("Could not read the EEPROM at 0x%x\n",
+ CONFIG_SYS_I2C_EEPROM_ADDR);
+ return -EIO;
+ }
+
+ if (header->magic != 0xEE3355AA) {
+ printf("Incorrect magic number (0x%x) in EEPROM\n",
+ header->magic);
+ return -EINVAL;
+ }
+ }
+
+ strncpy(am43xx_board_name, (char *)header->name, sizeof(header->name));
+ am43xx_board_name[sizeof(header->name)] = 0;
+
+ strncpy(am43xx_board_rev, (char *)header->version, sizeof(header->version));
+ am43xx_board_rev[sizeof(header->version)] = 0;
+
+ return 0;
+}
+
+#ifndef CONFIG_SKIP_LOWLEVEL_INIT
+
+#define NUM_OPPS 6
+
+const struct dpll_params dpll_mpu[NUM_CRYSTAL_FREQ][NUM_OPPS] = {
+ { /* 19.2 MHz */
+ {125, 3, 2, -1, -1, -1, -1}, /* OPP 50 */
+ {-1, -1, -1, -1, -1, -1, -1}, /* OPP RESERVED */
+ {125, 3, 1, -1, -1, -1, -1}, /* OPP 100 */
+ {150, 3, 1, -1, -1, -1, -1}, /* OPP 120 */
+ {125, 2, 1, -1, -1, -1, -1}, /* OPP TB */
+ {625, 11, 1, -1, -1, -1, -1} /* OPP NT */
+ },
+ { /* 24 MHz */
+ {300, 23, 1, -1, -1, -1, -1}, /* OPP 50 */
+ {-1, -1, -1, -1, -1, -1, -1}, /* OPP RESERVED */
+ {600, 23, 1, -1, -1, -1, -1}, /* OPP 100 */
+ {720, 23, 1, -1, -1, -1, -1}, /* OPP 120 */
+ {800, 23, 1, -1, -1, -1, -1}, /* OPP TB */
+ {1000, 23, 1, -1, -1, -1, -1} /* OPP NT */
+ },
+ { /* 25 MHz */
+ {300, 24, 1, -1, -1, -1, -1}, /* OPP 50 */
+ {-1, -1, -1, -1, -1, -1, -1}, /* OPP RESERVED */
+ {600, 24, 1, -1, -1, -1, -1}, /* OPP 100 */
+ {720, 24, 1, -1, -1, -1, -1}, /* OPP 120 */
+ {800, 24, 1, -1, -1, -1, -1}, /* OPP TB */
+ {1000, 24, 1, -1, -1, -1, -1} /* OPP NT */
+ },
+ { /* 26 MHz */
+ {300, 25, 1, -1, -1, -1, -1}, /* OPP 50 */
+ {-1, -1, -1, -1, -1, -1, -1}, /* OPP RESERVED */
+ {600, 25, 1, -1, -1, -1, -1}, /* OPP 100 */
+ {720, 25, 1, -1, -1, -1, -1}, /* OPP 120 */
+ {800, 25, 1, -1, -1, -1, -1}, /* OPP TB */
+ {1000, 25, 1, -1, -1, -1, -1} /* OPP NT */
+ },
+};
+
+const struct dpll_params dpll_core[NUM_CRYSTAL_FREQ] = {
+ {625, 11, -1, -1, 10, 8, 4}, /* 19.2 MHz */
+ {1000, 23, -1, -1, 10, 8, 4}, /* 24 MHz */
+ {1000, 24, -1, -1, 10, 8, 4}, /* 25 MHz */
+ {1000, 25, -1, -1, 10, 8, 4} /* 26 MHz */
+};
+
+const struct dpll_params dpll_per[NUM_CRYSTAL_FREQ] = {
+ {400, 7, 5, -1, -1, -1, -1}, /* 19.2 MHz */
+ {400, 9, 5, -1, -1, -1, -1}, /* 24 MHz */
+ {384, 9, 5, -1, -1, -1, -1}, /* 25 MHz */
+ {480, 12, 5, -1, -1, -1, -1} /* 26 MHz */
+};
+
+const struct dpll_params epos_evm_dpll_ddr[NUM_CRYSTAL_FREQ] = {
+ {665, 47, 1, -1, 4, -1, -1}, /*19.2*/
+ {133, 11, 1, -1, 4, -1, -1}, /* 24 MHz */
+ {266, 24, 1, -1, 4, -1, -1}, /* 25 MHz */
+ {133, 12, 1, -1, 4, -1, -1} /* 26 MHz */
+};
+
+const struct dpll_params gp_evm_dpll_ddr = {
+ 50, 2, 1, -1, 2, -1, -1};
+
+static const struct dpll_params idk_dpll_ddr = {
+ 400, 23, 1, -1, 2, -1, -1
+};
+
+static const u32 ext_phy_ctrl_const_base_lpddr2[] = {
+ 0x00500050,
+ 0x00350035,
+ 0x00350035,
+ 0x00350035,
+ 0x00350035,
+ 0x00350035,
+ 0x00000000,
+ 0x00000000,
+ 0x00000000,
+ 0x00000000,
+ 0x00000000,
+ 0x00000000,
+ 0x00000000,
+ 0x00000000,
+ 0x00000000,
+ 0x00000000,
+ 0x00000000,
+ 0x00000000,
+ 0x40001000,
+ 0x08102040
+};
+
+const struct ctrl_ioregs ioregs_lpddr2 = {
+ .cm0ioctl = LPDDR2_ADDRCTRL_IOCTRL_VALUE,
+ .cm1ioctl = LPDDR2_ADDRCTRL_WD0_IOCTRL_VALUE,
+ .cm2ioctl = LPDDR2_ADDRCTRL_WD1_IOCTRL_VALUE,
+ .dt0ioctl = LPDDR2_DATA0_IOCTRL_VALUE,
+ .dt1ioctl = LPDDR2_DATA0_IOCTRL_VALUE,
+ .dt2ioctrl = LPDDR2_DATA0_IOCTRL_VALUE,
+ .dt3ioctrl = LPDDR2_DATA0_IOCTRL_VALUE,
+ .emif_sdram_config_ext = 0x1,
+};
+
+const struct emif_regs emif_regs_lpddr2 = {
+ .sdram_config = 0x808012BA,
+ .ref_ctrl = 0x0000040D,
+ .sdram_tim1 = 0xEA86B411,
+ .sdram_tim2 = 0x103A094A,
+ .sdram_tim3 = 0x0F6BA37F,
+ .read_idle_ctrl = 0x00050000,
+ .zq_config = 0x50074BE4,
+ .temp_alert_config = 0x0,
+ .emif_rd_wr_lvl_rmp_win = 0x0,
+ .emif_rd_wr_lvl_rmp_ctl = 0x0,
+ .emif_rd_wr_lvl_ctl = 0x0,
+ .emif_ddr_phy_ctlr_1 = 0x0E284006,
+ .emif_rd_wr_exec_thresh = 0x80000405,
+ .emif_ddr_ext_phy_ctrl_1 = 0x04010040,
+ .emif_ddr_ext_phy_ctrl_2 = 0x00500050,
+ .emif_ddr_ext_phy_ctrl_3 = 0x00500050,
+ .emif_ddr_ext_phy_ctrl_4 = 0x00500050,
+ .emif_ddr_ext_phy_ctrl_5 = 0x00500050,
+ .emif_prio_class_serv_map = 0x80000001,
+ .emif_connect_id_serv_1_map = 0x80000094,
+ .emif_connect_id_serv_2_map = 0x00000000,
+ .emif_cos_config = 0x000FFFFF
+};
+
+const struct ctrl_ioregs ioregs_ddr3 = {
+ .cm0ioctl = DDR3_ADDRCTRL_IOCTRL_VALUE,
+ .cm1ioctl = DDR3_ADDRCTRL_WD0_IOCTRL_VALUE,
+ .cm2ioctl = DDR3_ADDRCTRL_WD1_IOCTRL_VALUE,
+ .dt0ioctl = DDR3_DATA0_IOCTRL_VALUE,
+ .dt1ioctl = DDR3_DATA0_IOCTRL_VALUE,
+ .dt2ioctrl = DDR3_DATA0_IOCTRL_VALUE,
+ .dt3ioctrl = DDR3_DATA0_IOCTRL_VALUE,
+ .emif_sdram_config_ext = 0xc163,
+};
+
+const struct emif_regs ddr3_emif_regs_400Mhz = {
+ .sdram_config = 0x638413B2,
+ .ref_ctrl = 0x00000C30,
+ .sdram_tim1 = 0xEAAAD4DB,
+ .sdram_tim2 = 0x266B7FDA,
+ .sdram_tim3 = 0x107F8678,
+ .read_idle_ctrl = 0x00050000,
+ .zq_config = 0x50074BE4,
+ .temp_alert_config = 0x0,
+ .emif_ddr_phy_ctlr_1 = 0x0E004008,
+ .emif_ddr_ext_phy_ctrl_1 = 0x08020080,
+ .emif_ddr_ext_phy_ctrl_2 = 0x00400040,
+ .emif_ddr_ext_phy_ctrl_3 = 0x00400040,
+ .emif_ddr_ext_phy_ctrl_4 = 0x00400040,
+ .emif_ddr_ext_phy_ctrl_5 = 0x00400040,
+ .emif_rd_wr_lvl_rmp_win = 0x0,
+ .emif_rd_wr_lvl_rmp_ctl = 0x0,
+ .emif_rd_wr_lvl_ctl = 0x0,
+ .emif_rd_wr_exec_thresh = 0x80000405,
+ .emif_prio_class_serv_map = 0x80000001,
+ .emif_connect_id_serv_1_map = 0x80000094,
+ .emif_connect_id_serv_2_map = 0x00000000,
+ .emif_cos_config = 0x000FFFFF
+};
+
+/* EMIF DDR3 Configurations are different for beta AM43X GP EVMs */
+const struct emif_regs ddr3_emif_regs_400Mhz_beta = {
+ .sdram_config = 0x638413B2,
+ .ref_ctrl = 0x00000C30,
+ .sdram_tim1 = 0xEAAAD4DB,
+ .sdram_tim2 = 0x266B7FDA,
+ .sdram_tim3 = 0x107F8678,
+ .read_idle_ctrl = 0x00050000,
+ .zq_config = 0x50074BE4,
+ .temp_alert_config = 0x0,
+ .emif_ddr_phy_ctlr_1 = 0x0E004008,
+ .emif_ddr_ext_phy_ctrl_1 = 0x08020080,
+ .emif_ddr_ext_phy_ctrl_2 = 0x00000065,
+ .emif_ddr_ext_phy_ctrl_3 = 0x00000091,
+ .emif_ddr_ext_phy_ctrl_4 = 0x000000B5,
+ .emif_ddr_ext_phy_ctrl_5 = 0x000000E5,
+ .emif_rd_wr_exec_thresh = 0x80000405,
+ .emif_prio_class_serv_map = 0x80000001,
+ .emif_connect_id_serv_1_map = 0x80000094,
+ .emif_connect_id_serv_2_map = 0x00000000,
+ .emif_cos_config = 0x000FFFFF
+};
+
+/* EMIF DDR3 Configurations are different for production AM43X GP EVMs */
+const struct emif_regs ddr3_emif_regs_400Mhz_production = {
+ .sdram_config = 0x638413B2,
+ .ref_ctrl = 0x00000C30,
+ .sdram_tim1 = 0xEAAAD4DB,
+ .sdram_tim2 = 0x266B7FDA,
+ .sdram_tim3 = 0x107F8678,
+ .read_idle_ctrl = 0x00050000,
+ .zq_config = 0x50074BE4,
+ .temp_alert_config = 0x0,
+ .emif_ddr_phy_ctlr_1 = 0x0E004008,
+ .emif_ddr_ext_phy_ctrl_1 = 0x08020080,
+ .emif_ddr_ext_phy_ctrl_2 = 0x00000066,
+ .emif_ddr_ext_phy_ctrl_3 = 0x00000091,
+ .emif_ddr_ext_phy_ctrl_4 = 0x000000B9,
+ .emif_ddr_ext_phy_ctrl_5 = 0x000000E6,
+ .emif_rd_wr_exec_thresh = 0x80000405,
+ .emif_prio_class_serv_map = 0x80000001,
+ .emif_connect_id_serv_1_map = 0x80000094,
+ .emif_connect_id_serv_2_map = 0x00000000,
+ .emif_cos_config = 0x000FFFFF
+};
+
+static const struct emif_regs ddr3_sk_emif_regs_400Mhz = {
+ .sdram_config = 0x638413b2,
+ .sdram_config2 = 0x00000000,
+ .ref_ctrl = 0x00000c30,
+ .sdram_tim1 = 0xeaaad4db,
+ .sdram_tim2 = 0x266b7fda,
+ .sdram_tim3 = 0x107f8678,
+ .read_idle_ctrl = 0x00050000,
+ .zq_config = 0x50074be4,
+ .temp_alert_config = 0x0,
+ .emif_ddr_phy_ctlr_1 = 0x0e084008,
+ .emif_ddr_ext_phy_ctrl_1 = 0x08020080,
+ .emif_ddr_ext_phy_ctrl_2 = 0x89,
+ .emif_ddr_ext_phy_ctrl_3 = 0x90,
+ .emif_ddr_ext_phy_ctrl_4 = 0x8e,
+ .emif_ddr_ext_phy_ctrl_5 = 0x8d,
+ .emif_rd_wr_lvl_rmp_win = 0x0,
+ .emif_rd_wr_lvl_rmp_ctl = 0x00000000,
+ .emif_rd_wr_lvl_ctl = 0x00000000,
+ .emif_rd_wr_exec_thresh = 0x80000000,
+ .emif_prio_class_serv_map = 0x80000001,
+ .emif_connect_id_serv_1_map = 0x80000094,
+ .emif_connect_id_serv_2_map = 0x00000000,
+ .emif_cos_config = 0x000FFFFF
+};
+
+static const struct emif_regs ddr3_idk_emif_regs_400Mhz = {
+ .sdram_config = 0x61a11b32,
+ .sdram_config2 = 0x00000000,
+ .ref_ctrl = 0x00000c30,
+ .sdram_tim1 = 0xeaaad4db,
+ .sdram_tim2 = 0x266b7fda,
+ .sdram_tim3 = 0x107f8678,
+ .read_idle_ctrl = 0x00050000,
+ .zq_config = 0x50074be4,
+ .temp_alert_config = 0x00000000,
+ .emif_ddr_phy_ctlr_1 = 0x00008009,
+ .emif_ddr_ext_phy_ctrl_1 = 0x08020080,
+ .emif_ddr_ext_phy_ctrl_2 = 0x00000040,
+ .emif_ddr_ext_phy_ctrl_3 = 0x0000003e,
+ .emif_ddr_ext_phy_ctrl_4 = 0x00000051,
+ .emif_ddr_ext_phy_ctrl_5 = 0x00000051,
+ .emif_rd_wr_lvl_rmp_win = 0x00000000,
+ .emif_rd_wr_lvl_rmp_ctl = 0x00000000,
+ .emif_rd_wr_lvl_ctl = 0x00000000,
+ .emif_rd_wr_exec_thresh = 0x00000405,
+ .emif_prio_class_serv_map = 0x00000000,
+ .emif_connect_id_serv_1_map = 0x00000000,
+ .emif_connect_id_serv_2_map = 0x00000000,
+ .emif_cos_config = 0x00ffffff
+};
+
+void emif_get_ext_phy_ctrl_const_regs(const u32 **regs, u32 *size)
+{
+ if (board_is_eposevm()) {
+ *regs = ext_phy_ctrl_const_base_lpddr2;
+ *size = ARRAY_SIZE(ext_phy_ctrl_const_base_lpddr2);
+ }
+
+ return;
+}
+
+/*
+ * get_sys_clk_index : returns the index of the sys_clk read from
+ * ctrl status register. This value is either
+ * read from efuse or sysboot pins.
+ */
+static u32 get_sys_clk_index(void)
+{
+ struct ctrl_stat *ctrl = (struct ctrl_stat *)CTRL_BASE;
+ u32 ind = readl(&ctrl->statusreg), src;
+
+ src = (ind & CTRL_CRYSTAL_FREQ_SRC_MASK) >> CTRL_CRYSTAL_FREQ_SRC_SHIFT;
+ if (src == CTRL_CRYSTAL_FREQ_SRC_EFUSE) /* Value read from EFUSE */
+ return ((ind & CTRL_CRYSTAL_FREQ_SELECTION_MASK) >>
+ CTRL_CRYSTAL_FREQ_SELECTION_SHIFT);
+ else /* Value read from SYS BOOT pins */
+ return ((ind & CTRL_SYSBOOT_15_14_MASK) >>
+ CTRL_SYSBOOT_15_14_SHIFT);
+}
const struct dpll_params *get_dpll_ddr_params(void)
{
- return &dpll_ddr;
+ int ind = get_sys_clk_index();
+
+ if (board_is_eposevm())
+ return &epos_evm_dpll_ddr[ind];
+ else if (board_is_gpevm() || board_is_sk())
+ return &gp_evm_dpll_ddr;
+ else if (board_is_idk())
+ return &idk_dpll_ddr;
+
+ printf(" Board '%s' not supported\n", am43xx_board_name);
+ return NULL;
+}
+
+
+/*
+ * get_opp_offset:
+ * Returns the index for safest OPP of the device to boot.
+ * max_off: Index of the MAX OPP in DEV ATTRIBUTE register.
+ * min_off: Index of the MIN OPP in DEV ATTRIBUTE register.
+ * This data is read from dev_attribute register which is e-fused.
+ * A'1' in bit indicates OPP disabled and not available, a '0' indicates
+ * OPP available. Lowest OPP starts with min_off. So returning the
+ * bit with rightmost '0'.
+ */
+static int get_opp_offset(int max_off, int min_off)
+{
+ struct ctrl_stat *ctrl = (struct ctrl_stat *)CTRL_BASE;
+ int opp, offset, i;
+
+ /* Bits 0:11 are defined to be the MPU_MAX_FREQ */
+ opp = readl(&ctrl->dev_attr) & ~0xFFFFF000;
+
+ for (i = max_off; i >= min_off; i--) {
+ offset = opp & (1 << i);
+ if (!offset)
+ return i;
+ }
+
+ return min_off;
+}
+
+const struct dpll_params *get_dpll_mpu_params(void)
+{
+ int opp = get_opp_offset(DEV_ATTR_MAX_OFFSET, DEV_ATTR_MIN_OFFSET);
+ u32 ind = get_sys_clk_index();
+
+ return &dpll_mpu[ind][opp];
+}
+
+const struct dpll_params *get_dpll_core_params(void)
+{
+ int ind = get_sys_clk_index();
+
+ return &dpll_core[ind];
+}
+
+const struct dpll_params *get_dpll_per_params(void)
+{
+ int ind = get_sys_clk_index();
+
+ return &dpll_per[ind];
+}
+
+void scale_vcores_generic(u32 m)
+{
+ int mpu_vdd;
+
+ if (i2c_probe(TPS65218_CHIP_PM))
+ return;
+
+ switch (m) {
+ case 1000:
+ mpu_vdd = TPS65218_DCDC_VOLT_SEL_1330MV;
+ break;
+ case 800:
+ mpu_vdd = TPS65218_DCDC_VOLT_SEL_1260MV;
+ break;
+ case 720:
+ mpu_vdd = TPS65218_DCDC_VOLT_SEL_1200MV;
+ break;
+ case 600:
+ mpu_vdd = TPS65218_DCDC_VOLT_SEL_1100MV;
+ break;
+ case 300:
+ mpu_vdd = TPS65218_DCDC_VOLT_SEL_0950MV;
+ break;
+ default:
+ puts("Unknown MPU clock, not scaling\n");
+ return;
+ }
+
+ /* Set DCDC1 (CORE) voltage to 1.1V */
+ if (tps65218_voltage_update(TPS65218_DCDC1,
+ TPS65218_DCDC_VOLT_SEL_1100MV)) {
+ printf("%s failure\n", __func__);
+ return;
+ }
+
+ /* Set DCDC2 (MPU) voltage */
+ if (tps65218_voltage_update(TPS65218_DCDC2, mpu_vdd)) {
+ printf("%s failure\n", __func__);
+ return;
+ }
+}
+
+void scale_vcores_idk(u32 m)
+{
+ int mpu_vdd;
+
+ if (i2c_probe(TPS62362_I2C_ADDR))
+ return;
+
+ switch (m) {
+ case 1000:
+ mpu_vdd = TPS62362_DCDC_VOLT_SEL_1330MV;
+ break;
+ case 800:
+ mpu_vdd = TPS62362_DCDC_VOLT_SEL_1260MV;
+ break;
+ case 720:
+ mpu_vdd = TPS62362_DCDC_VOLT_SEL_1200MV;
+ break;
+ case 600:
+ mpu_vdd = TPS62362_DCDC_VOLT_SEL_1100MV;
+ break;
+ case 300:
+ mpu_vdd = TPS62362_DCDC_VOLT_SEL_1330MV;
+ break;
+ default:
+ puts("Unknown MPU clock, not scaling\n");
+ return;
+ }
+
+ /* Set VDD_MPU voltage */
+ if (tps62362_voltage_update(TPS62362_SET3, mpu_vdd)) {
+ printf("%s failure\n", __func__);
+ return;
+ }
+}
+
+void scale_vcores(void)
+{
+ const struct dpll_params *mpu_params;
+ struct am43xx_board_id header;
+
+ enable_i2c0_pin_mux();
+ i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
+ if (read_eeprom(&header) < 0)
+ puts("Could not get board ID.\n");
+
+ /* Get the frequency */
+ mpu_params = get_dpll_mpu_params();
+
+ if (board_is_idk())
+ scale_vcores_idk(mpu_params->m);
+ else
+ scale_vcores_generic(mpu_params->m);
}
void set_uart_mux_conf(void)
enable_board_pin_mux();
}
+static void enable_vtt_regulator(void)
+{
+ u32 temp;
+
+ /* enable module */
+ writel(GPIO_CTRL_ENABLEMODULE, AM33XX_GPIO5_BASE + OMAP_GPIO_CTRL);
+
+ /* enable output for GPIO5_7 */
+ writel(GPIO_SETDATAOUT(7),
+ AM33XX_GPIO5_BASE + OMAP_GPIO_SETDATAOUT);
+ temp = readl(AM33XX_GPIO5_BASE + OMAP_GPIO_OE);
+ temp = temp & ~(GPIO_OE_ENABLE(7));
+ writel(temp, AM33XX_GPIO5_BASE + OMAP_GPIO_OE);
+}
+
void sdram_init(void)
{
+ /*
+ * EPOS EVM has 1GB LPDDR2 connected to EMIF.
+ * GP EMV has 1GB DDR3 connected to EMIF
+ * along with VTT regulator.
+ */
+ if (board_is_eposevm()) {
+ config_ddr(0, &ioregs_lpddr2, NULL, NULL, &emif_regs_lpddr2, 0);
+ } else if (board_is_evm_14_or_later()) {
+ enable_vtt_regulator();
+ config_ddr(0, &ioregs_ddr3, NULL, NULL,
+ &ddr3_emif_regs_400Mhz_production, 0);
+ } else if (board_is_evm_12_or_later()) {
+ enable_vtt_regulator();
+ config_ddr(0, &ioregs_ddr3, NULL, NULL,
+ &ddr3_emif_regs_400Mhz_beta, 0);
+ } else if (board_is_gpevm()) {
+ enable_vtt_regulator();
+ config_ddr(0, &ioregs_ddr3, NULL, NULL,
+ &ddr3_emif_regs_400Mhz, 0);
+ } else if (board_is_sk()) {
+ config_ddr(400, &ioregs_ddr3, NULL, NULL,
+ &ddr3_sk_emif_regs_400Mhz, 0);
+ } else if (board_is_idk()) {
+ config_ddr(400, &ioregs_ddr3, NULL, NULL,
+ &ddr3_idk_emif_regs_400Mhz, 0);
+ }
}
#endif
+/* setup board specific PMIC */
+int power_init_board(void)
+{
+ struct pmic *p;
+
+ if (board_is_idk()) {
+ power_tps62362_init(I2C_PMIC);
+ p = pmic_get("TPS62362");
+ if (p && !pmic_probe(p))
+ puts("PMIC: TPS62362\n");
+ } else {
+ power_tps65218_init(I2C_PMIC);
+ p = pmic_get("TPS65218_PMIC");
+ if (p && !pmic_probe(p))
+ puts("PMIC: TPS65218\n");
+ }
+
+ return 0;
+}
+
int board_init(void)
{
- gd->bd->bi_boot_params = PHYS_DRAM_1 + 0x100;
+ struct l3f_cfg_bwlimiter *bwlimiter = (struct l3f_cfg_bwlimiter *)L3F_CFG_BWLIMITER;
+ u32 mreqprio_0, mreqprio_1, modena_init0_bw_fractional,
+ modena_init0_bw_integer, modena_init0_watermark_0;
+
+ gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+ gpmc_init();
+
+ /* Clear all important bits for DSS errata that may need to be tweaked*/
+ mreqprio_0 = readl(&cdev->mreqprio_0) & MREQPRIO_0_SAB_INIT1_MASK &
+ MREQPRIO_0_SAB_INIT0_MASK;
+
+ mreqprio_1 = readl(&cdev->mreqprio_1) & MREQPRIO_1_DSS_MASK;
+
+ modena_init0_bw_fractional = readl(&bwlimiter->modena_init0_bw_fractional) &
+ BW_LIMITER_BW_FRAC_MASK;
+
+ modena_init0_bw_integer = readl(&bwlimiter->modena_init0_bw_integer) &
+ BW_LIMITER_BW_INT_MASK;
+
+ modena_init0_watermark_0 = readl(&bwlimiter->modena_init0_watermark_0) &
+ BW_LIMITER_BW_WATERMARK_MASK;
+
+ /* Setting MReq Priority of the DSS*/
+ mreqprio_0 |= 0x77;
+
+ /*
+ * Set L3 Fast Configuration Register
+ * Limiting bandwith for ARM core to 700 MBPS
+ */
+ modena_init0_bw_fractional |= 0x10;
+ modena_init0_bw_integer |= 0x3;
+
+ writel(mreqprio_0, &cdev->mreqprio_0);
+ writel(mreqprio_1, &cdev->mreqprio_1);
+
+ writel(modena_init0_bw_fractional, &bwlimiter->modena_init0_bw_fractional);
+ writel(modena_init0_bw_integer, &bwlimiter->modena_init0_bw_integer);
+ writel(modena_init0_watermark_0, &bwlimiter->modena_init0_watermark_0);
return 0;
}
#ifdef CONFIG_BOARD_LATE_INIT
int board_late_init(void)
{
+#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+ char safe_string[HDR_NAME_LEN + 1];
+ struct am43xx_board_id header;
+
+ if (read_eeprom(&header) < 0)
+ puts("Could not get board ID.\n");
+
+ /* 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
+
+#ifdef CONFIG_USB_DWC3
+static struct dwc3_device usb_otg_ss1 = {
+ .maximum_speed = USB_SPEED_HIGH,
+ .base = USB_OTG_SS1_BASE,
+ .tx_fifo_resize = false,
+ .index = 0,
+};
+
+static struct dwc3_omap_device usb_otg_ss1_glue = {
+ .base = (void *)USB_OTG_SS1_GLUE_BASE,
+ .utmi_mode = DWC3_OMAP_UTMI_MODE_SW,
+ .index = 0,
+};
+
+static struct ti_usb_phy_device usb_phy1_device = {
+ .usb2_phy_power = (void *)USB2_PHY1_POWER,
+ .index = 0,
+};
+
+static struct dwc3_device usb_otg_ss2 = {
+ .maximum_speed = USB_SPEED_HIGH,
+ .base = USB_OTG_SS2_BASE,
+ .tx_fifo_resize = false,
+ .index = 1,
+};
+
+static struct dwc3_omap_device usb_otg_ss2_glue = {
+ .base = (void *)USB_OTG_SS2_GLUE_BASE,
+ .utmi_mode = DWC3_OMAP_UTMI_MODE_SW,
+ .index = 1,
+};
+
+static struct ti_usb_phy_device usb_phy2_device = {
+ .usb2_phy_power = (void *)USB2_PHY2_POWER,
+ .index = 1,
+};
+
+int board_usb_init(int index, enum usb_init_type init)
+{
+ enable_usb_clocks(index);
+ 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;
+ }
+
+ dwc3_omap_uboot_init(&usb_otg_ss1_glue);
+ ti_usb_phy_uboot_init(&usb_phy1_device);
+ 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");
+ }
+ disable_usb_clocks(index);
+
+ 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
+
+#ifdef CONFIG_DRIVER_TI_CPSW
+
+static void cpsw_control(int enabled)
+{
+ /* Additional controls can be added here */
+ return;
+}
+
+static struct cpsw_slave_data cpsw_slaves[] = {
+ {
+ .slave_reg_ofs = 0x208,
+ .sliver_reg_ofs = 0xd80,
+ .phy_addr = 16,
+ },
+ {
+ .slave_reg_ofs = 0x308,
+ .sliver_reg_ofs = 0xdc0,
+ .phy_addr = 1,
+ },
+};
+
+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 = 1,
+ .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 rv;
+ uint8_t mac_addr[6];
+ uint32_t mac_hi, mac_lo;
+
+ /* 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 (!getenv("ethaddr")) {
+ puts("<ethaddr> not set. Validating first E-fuse MAC\n");
+ if (is_valid_ethaddr(mac_addr))
+ eth_setenv_enetaddr("ethaddr", mac_addr);
+ }
+
+ mac_lo = readl(&cdev->macid1l);
+ mac_hi = readl(&cdev->macid1h);
+ 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 (!getenv("eth1addr")) {
+ if (is_valid_ethaddr(mac_addr))
+ eth_setenv_enetaddr("eth1addr", mac_addr);
+ }
+
+ if (board_is_eposevm()) {
+ writel(RMII_MODE_ENABLE | RMII_CHIPCKL_ENABLE, &cdev->miisel);
+ cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RMII;
+ cpsw_slaves[0].phy_addr = 16;
+ } else if (board_is_sk()) {
+ writel(RGMII_MODE_ENABLE, &cdev->miisel);
+ cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RGMII;
+ cpsw_slaves[0].phy_addr = 4;
+ cpsw_slaves[1].phy_addr = 5;
+ } else if (board_is_idk()) {
+ writel(RGMII_MODE_ENABLE, &cdev->miisel);
+ cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RGMII;
+ cpsw_slaves[0].phy_addr = 0;
+ } else {
+ writel(RGMII_MODE_ENABLE, &cdev->miisel);
+ cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RGMII;
+ cpsw_slaves[0].phy_addr = 0;
+ }
+
+ rv = cpsw_register(&cpsw_data);
+ if (rv < 0)
+ printf("Error %d registering CPSW switch\n", rv);
+
+ return rv;
+}
+#endif
projects / karo-tx-uboot.git / blobdiff