*
* Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE. See the
- * GNU General Public License for more details.
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
+#include <dm.h>
#include <errno.h>
#include <spl.h>
+#include <serial.h>
#include <asm/arch/cpu.h>
#include <asm/arch/hardware.h>
#include <asm/arch/omap.h>
#include <asm/arch/ddr_defs.h>
#include <asm/arch/clock.h>
+#include <asm/arch/clk_synthesizer.h>
#include <asm/arch/gpio.h>
#include <asm/arch/mmc_host_def.h>
#include <asm/arch/sys_proto.h>
+#include <asm/arch/mem.h>
#include <asm/io.h>
#include <asm/emif.h>
#include <asm/gpio.h>
+#include <asm/omap_common.h>
+#include <asm/omap_sec_common.h>
+#include <asm/omap_mmc.h>
#include <i2c.h>
#include <miiphy.h>
#include <cpsw.h>
+#include <power/tps65217.h>
+#include <power/tps65910.h>
+#include <environment.h>
+#include <watchdog.h>
+#include <environment.h>
+#include "../common/board_detect.h"
#include "board.h"
DECLARE_GLOBAL_DATA_PTR;
-static struct wd_timer *wdtimer = (struct wd_timer *)WDT_BASE;
-#ifdef CONFIG_SPL_BUILD
-static struct uart_sys *uart_base = (struct uart_sys *)DEFAULT_UART_BASE;
-#endif
-
-/* MII mode defines */
-#define MII_MODE_ENABLE 0x0
-#define RGMII_MODE_ENABLE 0x3A
-
/* GPIO that controls power to DDR on EVM-SK */
-#define GPIO_DDR_VTT_EN 7
+#define GPIO_TO_PIN(bank, gpio) (32 * (bank) + (gpio))
+#define GPIO_DDR_VTT_EN GPIO_TO_PIN(0, 7)
+#define ICE_GPIO_DDR_VTT_EN GPIO_TO_PIN(0, 18)
+#define GPIO_PR1_MII_CTRL GPIO_TO_PIN(3, 4)
+#define GPIO_MUX_MII_CTRL GPIO_TO_PIN(3, 10)
+#define GPIO_FET_SWITCH_CTRL GPIO_TO_PIN(0, 7)
+#define GPIO_PHY_RESET GPIO_TO_PIN(2, 5)
+#define GPIO_ETH0_MODE GPIO_TO_PIN(0, 11)
+#define GPIO_ETH1_MODE GPIO_TO_PIN(1, 26)
static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
-static struct am335x_baseboard_id __attribute__((section (".data"))) header;
-
-static inline int board_is_bone(void)
-{
- return !strncmp(header.name, "A335BONE", HDR_NAME_LEN);
-}
-
-static inline int board_is_bone_lt(void)
-{
- return !strncmp(header.name, "A335BNLT", HDR_NAME_LEN);
-}
-
-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);
-}
+#define GPIO0_RISINGDETECT (AM33XX_GPIO0_BASE + OMAP_GPIO_RISINGDETECT)
+#define GPIO1_RISINGDETECT (AM33XX_GPIO1_BASE + OMAP_GPIO_RISINGDETECT)
-static int __maybe_unused board_is_gp_evm(void)
-{
- return !strncmp("A33515BB", header.name, 8);
-}
+#define GPIO0_IRQSTATUS1 (AM33XX_GPIO0_BASE + OMAP_GPIO_IRQSTATUS1)
+#define GPIO1_IRQSTATUS1 (AM33XX_GPIO1_BASE + OMAP_GPIO_IRQSTATUS1)
-int board_is_evm_15_or_later(void)
-{
- return (!strncmp("A33515BB", header.name, 8) &&
- strncmp("1.5", header.version, 3) <= 0);
-}
+#define GPIO0_IRQSTATUSRAW (AM33XX_GPIO0_BASE + 0x024)
+#define GPIO1_IRQSTATUSRAW (AM33XX_GPIO1_BASE + 0x024)
/*
* Read header information from EEPROM into global structure.
*/
-static int read_eeprom(void)
+#ifdef CONFIG_TI_I2C_BOARD_DETECT
+void do_board_detect(void)
{
- /* Check if baseboard eeprom is available */
- if (i2c_probe(CONFIG_SYS_I2C_EEPROM_ADDR)) {
- puts("Could not probe the EEPROM; something fundamentally "
- "wrong on the I2C bus.\n");
- return -ENODEV;
- }
-
- /* read the eeprom using i2c */
- if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0, 2, (uchar *)&header,
- sizeof(header))) {
- puts("Could not read the EEPROM; something fundamentally"
- " wrong on the I2C bus.\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(header))) {
- puts("Could not read the EEPROM; something "
- "fundamentally wrong on the I2C bus.\n");
- return -EIO;
- }
-
- if (header.magic != 0xEE3355AA) {
- printf("Incorrect magic number (0x%x) in EEPROM\n",
- header.magic);
- return -EINVAL;
- }
- }
+ enable_i2c0_pin_mux();
+ i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
- return 0;
+ if (ti_i2c_eeprom_am_get(CONFIG_EEPROM_BUS_ADDRESS,
+ CONFIG_EEPROM_CHIP_ADDRESS))
+ printf("ti_i2c_eeprom_init failed\n");
}
+#endif
-/* UART Defines */
-#ifdef CONFIG_SPL_BUILD
-#define UART_RESET (0x1 << 1)
-#define UART_CLK_RUNNING_MASK 0x1
-#define UART_SMART_IDLE_EN (0x1 << 0x3)
-
-static void rtc32k_enable(void)
+#ifndef CONFIG_DM_SERIAL
+struct serial_device *default_serial_console(void)
{
- struct rtc_regs *rtc = (struct rtc_regs *)RTC_BASE;
-
- /*
- * Unlock the RTC's registers. For more details please see the
- * RTC_SS section of the TRM. In order to unlock we need to
- * write these specific values (keys) in this order.
- */
- writel(0x83e70b13, &rtc->kick0r);
- writel(0x95a4f1e0, &rtc->kick1r);
-
- /* Enable the RTC 32K OSC by setting bits 3 and 6. */
- writel((1 << 3) | (1 << 6), &rtc->osc);
+ if (board_is_icev2())
+ return &eserial4_device;
+ else
+ return &eserial1_device;
}
+#endif
+#ifndef CONFIG_SKIP_LOWLEVEL_INIT
static const struct ddr_data ddr2_data = {
- .datardsratio0 = ((MT47H128M16RT25E_RD_DQS<<30) |
- (MT47H128M16RT25E_RD_DQS<<20) |
- (MT47H128M16RT25E_RD_DQS<<10) |
- (MT47H128M16RT25E_RD_DQS<<0)),
- .datawdsratio0 = ((MT47H128M16RT25E_WR_DQS<<30) |
- (MT47H128M16RT25E_WR_DQS<<20) |
- (MT47H128M16RT25E_WR_DQS<<10) |
- (MT47H128M16RT25E_WR_DQS<<0)),
- .datawiratio0 = ((MT47H128M16RT25E_PHY_WRLVL<<30) |
- (MT47H128M16RT25E_PHY_WRLVL<<20) |
- (MT47H128M16RT25E_PHY_WRLVL<<10) |
- (MT47H128M16RT25E_PHY_WRLVL<<0)),
- .datagiratio0 = ((MT47H128M16RT25E_PHY_GATELVL<<30) |
- (MT47H128M16RT25E_PHY_GATELVL<<20) |
- (MT47H128M16RT25E_PHY_GATELVL<<10) |
- (MT47H128M16RT25E_PHY_GATELVL<<0)),
- .datafwsratio0 = ((MT47H128M16RT25E_PHY_FIFO_WE<<30) |
- (MT47H128M16RT25E_PHY_FIFO_WE<<20) |
- (MT47H128M16RT25E_PHY_FIFO_WE<<10) |
- (MT47H128M16RT25E_PHY_FIFO_WE<<0)),
- .datawrsratio0 = ((MT47H128M16RT25E_PHY_WR_DATA<<30) |
- (MT47H128M16RT25E_PHY_WR_DATA<<20) |
- (MT47H128M16RT25E_PHY_WR_DATA<<10) |
- (MT47H128M16RT25E_PHY_WR_DATA<<0)),
- .datauserank0delay = MT47H128M16RT25E_PHY_RANK0_DELAY,
- .datadldiff0 = PHY_DLL_LOCK_DIFF,
+ .datardsratio0 = MT47H128M16RT25E_RD_DQS,
+ .datafwsratio0 = MT47H128M16RT25E_PHY_FIFO_WE,
+ .datawrsratio0 = MT47H128M16RT25E_PHY_WR_DATA,
};
static const struct cmd_control ddr2_cmd_ctrl_data = {
.cmd0csratio = MT47H128M16RT25E_RATIO,
- .cmd0dldiff = MT47H128M16RT25E_DLL_LOCK_DIFF,
- .cmd0iclkout = MT47H128M16RT25E_INVERT_CLKOUT,
.cmd1csratio = MT47H128M16RT25E_RATIO,
- .cmd1dldiff = MT47H128M16RT25E_DLL_LOCK_DIFF,
- .cmd1iclkout = MT47H128M16RT25E_INVERT_CLKOUT,
.cmd2csratio = MT47H128M16RT25E_RATIO,
- .cmd2dldiff = MT47H128M16RT25E_DLL_LOCK_DIFF,
- .cmd2iclkout = MT47H128M16RT25E_INVERT_CLKOUT,
};
static const struct emif_regs ddr2_emif_reg_data = {
.emif_ddr_phy_ctlr_1 = MT47H128M16RT25E_EMIF_READ_LATENCY,
};
+static const struct emif_regs ddr2_evm_emif_reg_data = {
+ .sdram_config = MT47H128M16RT25E_EMIF_SDCFG,
+ .ref_ctrl = MT47H128M16RT25E_EMIF_SDREF,
+ .sdram_tim1 = MT47H128M16RT25E_EMIF_TIM1,
+ .sdram_tim2 = MT47H128M16RT25E_EMIF_TIM2,
+ .sdram_tim3 = MT47H128M16RT25E_EMIF_TIM3,
+ .ocp_config = EMIF_OCP_CONFIG_AM335X_EVM,
+ .emif_ddr_phy_ctlr_1 = MT47H128M16RT25E_EMIF_READ_LATENCY,
+};
+
static const struct ddr_data ddr3_data = {
.datardsratio0 = MT41J128MJT125_RD_DQS,
.datawdsratio0 = MT41J128MJT125_WR_DQS,
.datafwsratio0 = MT41J128MJT125_PHY_FIFO_WE,
.datawrsratio0 = MT41J128MJT125_PHY_WR_DATA,
- .datadldiff0 = PHY_DLL_LOCK_DIFF,
};
static const struct ddr_data ddr3_beagleblack_data = {
.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 = {
.datawdsratio0 = MT41J512M8RH125_WR_DQS,
.datafwsratio0 = MT41J512M8RH125_PHY_FIFO_WE,
.datawrsratio0 = MT41J512M8RH125_PHY_WR_DATA,
- .datadldiff0 = PHY_DLL_LOCK_DIFF,
+};
+
+static const struct ddr_data ddr3_icev2_data = {
+ .datardsratio0 = MT41J128MJT125_RD_DQS_400MHz,
+ .datawdsratio0 = MT41J128MJT125_WR_DQS_400MHz,
+ .datafwsratio0 = MT41J128MJT125_PHY_FIFO_WE_400MHz,
+ .datawrsratio0 = MT41J128MJT125_PHY_WR_DATA_400MHz,
};
static const struct cmd_control ddr3_cmd_ctrl_data = {
.cmd0csratio = MT41J128MJT125_RATIO,
- .cmd0dldiff = MT41J128MJT125_DLL_LOCK_DIFF,
.cmd0iclkout = MT41J128MJT125_INVERT_CLKOUT,
.cmd1csratio = MT41J128MJT125_RATIO,
- .cmd1dldiff = MT41J128MJT125_DLL_LOCK_DIFF,
.cmd1iclkout = MT41J128MJT125_INVERT_CLKOUT,
.cmd2csratio = MT41J128MJT125_RATIO,
- .cmd2dldiff = 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 const struct cmd_control ddr3_icev2_cmd_ctrl_data = {
+ .cmd0csratio = MT41J128MJT125_RATIO_400MHz,
+ .cmd0iclkout = MT41J128MJT125_INVERT_CLKOUT_400MHz,
+
+ .cmd1csratio = MT41J128MJT125_RATIO_400MHz,
+ .cmd1iclkout = MT41J128MJT125_INVERT_CLKOUT_400MHz,
+
+ .cmd2csratio = MT41J128MJT125_RATIO_400MHz,
+ .cmd2iclkout = MT41J128MJT125_INVERT_CLKOUT_400MHz,
+};
+
static struct emif_regs ddr3_emif_reg_data = {
.sdram_config = MT41J128MJT125_EMIF_SDCFG,
.ref_ctrl = MT41J128MJT125_EMIF_SDREF,
.sdram_tim1 = MT41K256M16HA125E_EMIF_TIM1,
.sdram_tim2 = MT41K256M16HA125E_EMIF_TIM2,
.sdram_tim3 = MT41K256M16HA125E_EMIF_TIM3,
+ .ocp_config = EMIF_OCP_CONFIG_BEAGLEBONE_BLACK,
.zq_config = MT41K256M16HA125E_ZQ_CFG,
.emif_ddr_phy_ctlr_1 = MT41K256M16HA125E_EMIF_READ_LATENCY,
};
.sdram_tim1 = MT41J512M8RH125_EMIF_TIM1,
.sdram_tim2 = MT41J512M8RH125_EMIF_TIM2,
.sdram_tim3 = MT41J512M8RH125_EMIF_TIM3,
+ .ocp_config = EMIF_OCP_CONFIG_AM335X_EVM,
.zq_config = MT41J512M8RH125_ZQ_CFG,
.emif_ddr_phy_ctlr_1 = MT41J512M8RH125_EMIF_READ_LATENCY |
PHY_EN_DYN_PWRDN,
};
+static struct emif_regs ddr3_icev2_emif_reg_data = {
+ .sdram_config = MT41J128MJT125_EMIF_SDCFG_400MHz,
+ .ref_ctrl = MT41J128MJT125_EMIF_SDREF_400MHz,
+ .sdram_tim1 = MT41J128MJT125_EMIF_TIM1_400MHz,
+ .sdram_tim2 = MT41J128MJT125_EMIF_TIM2_400MHz,
+ .sdram_tim3 = MT41J128MJT125_EMIF_TIM3_400MHz,
+ .zq_config = MT41J128MJT125_ZQ_CFG_400MHz,
+ .emif_ddr_phy_ctlr_1 = MT41J128MJT125_EMIF_READ_LATENCY_400MHz |
+ 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');
-}
+ 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
-/*
- * early system init of muxing and clocks.
- */
-void s_init(void)
+const struct dpll_params *get_dpll_ddr_params(void)
+{
+ int ind = get_sys_clk_index();
+
+ if (board_is_evm_sk())
+ return &dpll_ddr3_303MHz[ind];
+ else if (board_is_bone_lt() || board_is_icev2())
+ return &dpll_ddr3_400MHz[ind];
+ else if (board_is_evm_15_or_later())
+ return &dpll_ddr3_303MHz[ind];
+ else
+ return &dpll_ddr2_266MHz[ind];
+}
+
+static u8 bone_not_connected_to_ac_power(void)
+{
+ if (board_is_bone()) {
+ uchar pmic_status_reg;
+ if (tps65217_reg_read(TPS65217_STATUS,
+ &pmic_status_reg))
+ return 1;
+ if (!(pmic_status_reg & TPS65217_PWR_SRC_AC_BITMASK)) {
+ puts("No AC power, switching to default OPP\n");
+ return 1;
+ }
+ }
+ return 0;
+}
+
+const struct dpll_params *get_dpll_mpu_params(void)
{
+ int ind = get_sys_clk_index();
+ int freq = am335x_get_efuse_mpu_max_freq(cdev);
+
+ if (bone_not_connected_to_ac_power())
+ freq = MPUPLL_M_600;
+
+ if (board_is_bone_lt())
+ freq = MPUPLL_M_1000;
+
+ switch (freq) {
+ case MPUPLL_M_1000:
+ return &dpll_mpu_opp[ind][5];
+ case MPUPLL_M_800:
+ return &dpll_mpu_opp[ind][4];
+ case MPUPLL_M_720:
+ return &dpll_mpu_opp[ind][3];
+ case MPUPLL_M_600:
+ return &dpll_mpu_opp[ind][2];
+ case MPUPLL_M_500:
+ return &dpll_mpu_opp100;
+ case MPUPLL_M_300:
+ return &dpll_mpu_opp[ind][0];
+ }
+
+ return &dpll_mpu_opp[ind][0];
+}
+
+static void scale_vcores_bone(int freq)
+{
+ int usb_cur_lim, mpu_vdd;
+
/*
- * Save the boot parameters passed from romcode.
- * We cannot delay the saving further than this,
- * to prevent overwrites.
+ * Only perform PMIC configurations if board rev > A1
+ * on Beaglebone White
*/
-#ifdef CONFIG_SPL_BUILD
- save_omap_boot_params();
-#endif
+ if (board_is_bone() && !strncmp(board_ti_get_rev(), "00A1", 4))
+ return;
+
+ if (i2c_probe(TPS65217_CHIP_PM))
+ return;
+
+ /*
+ * On Beaglebone White we need to ensure we have AC power
+ * before increasing the frequency.
+ */
+ if (bone_not_connected_to_ac_power())
+ freq = MPUPLL_M_600;
+
+ /*
+ * Override what we have detected since we know if we have
+ * a Beaglebone Black it supports 1GHz.
+ */
+ if (board_is_bone_lt())
+ freq = MPUPLL_M_1000;
+
+ switch (freq) {
+ case MPUPLL_M_1000:
+ mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV;
+ usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA;
+ break;
+ case MPUPLL_M_800:
+ mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV;
+ usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA;
+ break;
+ case MPUPLL_M_720:
+ mpu_vdd = TPS65217_DCDC_VOLT_SEL_1200MV;
+ usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA;
+ break;
+ case MPUPLL_M_600:
+ case MPUPLL_M_500:
+ case MPUPLL_M_300:
+ default:
+ mpu_vdd = TPS65217_DCDC_VOLT_SEL_1100MV;
+ usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA;
+ break;
+ }
- /* WDT1 is already running when the bootloader gets control
- * Disable it to avoid "random" resets
+ if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
+ TPS65217_POWER_PATH,
+ usb_cur_lim,
+ TPS65217_USB_INPUT_CUR_LIMIT_MASK))
+ puts("tps65217_reg_write failure\n");
+
+ /* Set DCDC3 (CORE) voltage to 1.10V */
+ if (tps65217_voltage_update(TPS65217_DEFDCDC3,
+ TPS65217_DCDC_VOLT_SEL_1100MV)) {
+ puts("tps65217_voltage_update failure\n");
+ return;
+ }
+
+ /* Set DCDC2 (MPU) voltage */
+ if (tps65217_voltage_update(TPS65217_DEFDCDC2, mpu_vdd)) {
+ puts("tps65217_voltage_update failure\n");
+ return;
+ }
+
+ /*
+ * Set LDO3, LDO4 output voltage to 3.3V for Beaglebone.
+ * Set LDO3 to 1.8V and LDO4 to 3.3V for Beaglebone Black.
+ */
+ if (board_is_bone()) {
+ if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
+ TPS65217_DEFLS1,
+ TPS65217_LDO_VOLTAGE_OUT_3_3,
+ TPS65217_LDO_MASK))
+ puts("tps65217_reg_write failure\n");
+ } else {
+ if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
+ TPS65217_DEFLS1,
+ TPS65217_LDO_VOLTAGE_OUT_1_8,
+ TPS65217_LDO_MASK))
+ puts("tps65217_reg_write failure\n");
+ }
+
+ if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
+ TPS65217_DEFLS2,
+ TPS65217_LDO_VOLTAGE_OUT_3_3,
+ TPS65217_LDO_MASK))
+ puts("tps65217_reg_write failure\n");
+}
+
+void scale_vcores_generic(int freq)
+{
+ int sil_rev, mpu_vdd;
+
+ /*
+ * The GP EVM, IDK and EVM SK use a TPS65910 PMIC. For all
+ * MPU frequencies we support we use a CORE voltage of
+ * 1.10V. For MPU voltage we need to switch based on
+ * the frequency we are running at.
+ */
+ if (i2c_probe(TPS65910_CTRL_I2C_ADDR))
+ return;
+
+ /*
+ * Depending on MPU clock and PG we will need a different
+ * VDD to drive at that speed.
*/
- writel(0xAAAA, &wdtimer->wdtwspr);
- while (readl(&wdtimer->wdtwwps) != 0x0)
- ;
- writel(0x5555, &wdtimer->wdtwspr);
- while (readl(&wdtimer->wdtwwps) != 0x0)
- ;
+ sil_rev = readl(&cdev->deviceid) >> 28;
+ mpu_vdd = am335x_get_tps65910_mpu_vdd(sil_rev, freq);
+
+ /* Tell the TPS65910 to use i2c */
+ tps65910_set_i2c_control();
+
+ /* First update MPU voltage. */
+ if (tps65910_voltage_update(MPU, mpu_vdd))
+ return;
-#ifdef CONFIG_SPL_BUILD
- /* Setup the PLLs and the clocks for the peripherals */
- pll_init();
+ /* Second, update the CORE voltage. */
+ if (tps65910_voltage_update(CORE, TPS65910_OP_REG_SEL_1_1_0))
+ return;
- /* Enable RTC32K clock */
- rtc32k_enable();
+}
- /* UART softreset */
- u32 regVal;
+void gpi2c_init(void)
+{
+ /* When needed to be invoked prior to BSS initialization */
+ static bool first_time = true;
+
+ if (first_time) {
+ enable_i2c0_pin_mux();
+ i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED,
+ CONFIG_SYS_OMAP24_I2C_SLAVE);
+ first_time = false;
+ }
+}
-#ifdef CONFIG_SERIAL1
+void scale_vcores(void)
+{
+ int freq;
+
+ gpi2c_init();
+ freq = am335x_get_efuse_mpu_max_freq(cdev);
+
+ if (board_is_beaglebonex())
+ scale_vcores_bone(freq);
+ else
+ scale_vcores_generic(freq);
+}
+
+void set_uart_mux_conf(void)
+{
+#if CONFIG_CONS_INDEX == 1
enable_uart0_pin_mux();
-#endif /* CONFIG_SERIAL1 */
-#ifdef CONFIG_SERIAL2
+#elif CONFIG_CONS_INDEX == 2
enable_uart1_pin_mux();
-#endif /* CONFIG_SERIAL2 */
-#ifdef CONFIG_SERIAL3
+#elif CONFIG_CONS_INDEX == 3
enable_uart2_pin_mux();
-#endif /* CONFIG_SERIAL3 */
-#ifdef CONFIG_SERIAL4
+#elif CONFIG_CONS_INDEX == 4
enable_uart3_pin_mux();
-#endif /* CONFIG_SERIAL4 */
-#ifdef CONFIG_SERIAL5
+#elif CONFIG_CONS_INDEX == 5
enable_uart4_pin_mux();
-#endif /* CONFIG_SERIAL5 */
-#ifdef CONFIG_SERIAL6
+#elif CONFIG_CONS_INDEX == 6
enable_uart5_pin_mux();
-#endif /* CONFIG_SERIAL6 */
+#endif
+}
- regVal = readl(&uart_base->uartsyscfg);
- regVal |= UART_RESET;
- writel(regVal, &uart_base->uartsyscfg);
- while ((readl(&uart_base->uartsyssts) &
- UART_CLK_RUNNING_MASK) != UART_CLK_RUNNING_MASK)
- ;
+void set_mux_conf_regs(void)
+{
+ enable_board_pin_mux();
+}
- /* Disable smart idle */
- regVal = readl(&uart_base->uartsyscfg);
- regVal |= UART_SMART_IDLE_EN;
- writel(regVal, &uart_base->uartsyscfg);
+const struct ctrl_ioregs ioregs_evmsk = {
+ .cm0ioctl = MT41J128MJT125_IOCTRL_VALUE,
+ .cm1ioctl = MT41J128MJT125_IOCTRL_VALUE,
+ .cm2ioctl = MT41J128MJT125_IOCTRL_VALUE,
+ .dt0ioctl = MT41J128MJT125_IOCTRL_VALUE,
+ .dt1ioctl = MT41J128MJT125_IOCTRL_VALUE,
+};
- gd = &gdata;
+const struct ctrl_ioregs ioregs_bonelt = {
+ .cm0ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
+ .cm1ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
+ .cm2ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
+ .dt0ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
+ .dt1ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
+};
- preloader_console_init();
+const struct ctrl_ioregs ioregs_evm15 = {
+ .cm0ioctl = MT41J512M8RH125_IOCTRL_VALUE,
+ .cm1ioctl = MT41J512M8RH125_IOCTRL_VALUE,
+ .cm2ioctl = MT41J512M8RH125_IOCTRL_VALUE,
+ .dt0ioctl = MT41J512M8RH125_IOCTRL_VALUE,
+ .dt1ioctl = MT41J512M8RH125_IOCTRL_VALUE,
+};
- /* Initalize the board header */
- enable_i2c0_pin_mux();
- i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
- if (read_eeprom() < 0)
- puts("Could not get board ID.\n");
+const struct ctrl_ioregs ioregs = {
+ .cm0ioctl = MT47H128M16RT25E_IOCTRL_VALUE,
+ .cm1ioctl = MT47H128M16RT25E_IOCTRL_VALUE,
+ .cm2ioctl = MT47H128M16RT25E_IOCTRL_VALUE,
+ .dt0ioctl = MT47H128M16RT25E_IOCTRL_VALUE,
+ .dt1ioctl = MT47H128M16RT25E_IOCTRL_VALUE,
+};
- enable_board_pin_mux(&header);
+void sdram_init(void)
+{
if (board_is_evm_sk()) {
/*
* EVM SK 1.2A and later use gpio0_7 to enable DDR3.
gpio_direction_output(GPIO_DDR_VTT_EN, 1);
}
+ if (board_is_icev2()) {
+ gpio_request(ICE_GPIO_DDR_VTT_EN, "ddr_vtt_en");
+ gpio_direction_output(ICE_GPIO_DDR_VTT_EN, 1);
+ }
+
if (board_is_evm_sk())
- config_ddr(303, MT41J128MJT125_IOCTRL_VALUE, &ddr3_data,
+ config_ddr(303, &ioregs_evmsk, &ddr3_data,
&ddr3_cmd_ctrl_data, &ddr3_emif_reg_data, 0);
else if (board_is_bone_lt())
- config_ddr(400, MT41K256M16HA125E_IOCTRL_VALUE,
+ config_ddr(400, &ioregs_bonelt,
&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,
+ config_ddr(303, &ioregs_evm15, &ddr3_evm_data,
&ddr3_evm_cmd_ctrl_data, &ddr3_evm_emif_reg_data, 0);
+ else if (board_is_icev2())
+ config_ddr(400, &ioregs_evmsk, &ddr3_icev2_data,
+ &ddr3_icev2_cmd_ctrl_data, &ddr3_icev2_emif_reg_data,
+ 0);
+ else if (board_is_gp_evm())
+ config_ddr(266, &ioregs, &ddr2_data,
+ &ddr2_cmd_ctrl_data, &ddr2_evm_emif_reg_data, 0);
else
- config_ddr(266, MT47H128M16RT25E_IOCTRL_VALUE, &ddr2_data,
+ config_ddr(266, &ioregs, &ddr2_data,
&ddr2_cmd_ctrl_data, &ddr2_emif_reg_data, 0);
+}
#endif
+
+#if !defined(CONFIG_SPL_BUILD) || \
+ (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
+static void request_and_set_gpio(int gpio, char *name, int val)
+{
+ int ret;
+
+ ret = gpio_request(gpio, name);
+ if (ret < 0) {
+ printf("%s: Unable to request %s\n", __func__, name);
+ return;
+ }
+
+ ret = gpio_direction_output(gpio, 0);
+ if (ret < 0) {
+ printf("%s: Unable to set %s as output\n", __func__, name);
+ goto err_free_gpio;
+ }
+
+ gpio_set_value(gpio, val);
+
+ return;
+
+err_free_gpio:
+ gpio_free(gpio);
}
+#define REQUEST_AND_SET_GPIO(N) request_and_set_gpio(N, #N, 1);
+#define REQUEST_AND_CLR_GPIO(N) request_and_set_gpio(N, #N, 0);
+
+/**
+ * RMII mode on ICEv2 board needs 50MHz clock. Given the clock
+ * synthesizer With a capacitor of 18pF, and 25MHz input clock cycle
+ * PLL1 gives an output of 100MHz. So, configuring the div2/3 as 2 to
+ * give 50MHz output for Eth0 and 1.
+ */
+static struct clk_synth cdce913_data = {
+ .id = 0x81,
+ .capacitor = 0x90,
+ .mux = 0x6d,
+ .pdiv2 = 0x2,
+ .pdiv3 = 0x2,
+};
+#endif
+
/*
* Basic board specific setup. Pinmux has been handled already.
*/
int board_init(void)
{
- i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
- if (read_eeprom() < 0)
- puts("Could not get board ID.\n");
-
- gd->bd->bi_boot_params = PHYS_DRAM_1 + 0x100;
+#if defined(CONFIG_HW_WATCHDOG)
+ hw_watchdog_init();
+#endif
+ gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+#if defined(CONFIG_NOR) || defined(CONFIG_NAND)
gpmc_init();
+#endif
+
+#if !defined(CONFIG_SPL_BUILD) || \
+ (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
+ if (board_is_icev2()) {
+ int rv;
+ u32 reg;
+
+ REQUEST_AND_SET_GPIO(GPIO_PR1_MII_CTRL);
+ /* Make J19 status available on GPIO1_26 */
+ REQUEST_AND_CLR_GPIO(GPIO_MUX_MII_CTRL);
+
+ REQUEST_AND_SET_GPIO(GPIO_FET_SWITCH_CTRL);
+ /*
+ * Both ports can be set as RMII-CPSW or MII-PRU-ETH using
+ * jumpers near the port. Read the jumper value and set
+ * the pinmux, external mux and PHY clock accordingly.
+ * As jumper line is overridden by PHY RX_DV pin immediately
+ * after bootstrap (power-up/reset), we need to sample
+ * it during PHY reset using GPIO rising edge detection.
+ */
+ REQUEST_AND_SET_GPIO(GPIO_PHY_RESET);
+ /* Enable rising edge IRQ on GPIO0_11 and GPIO 1_26 */
+ reg = readl(GPIO0_RISINGDETECT) | BIT(11);
+ writel(reg, GPIO0_RISINGDETECT);
+ reg = readl(GPIO1_RISINGDETECT) | BIT(26);
+ writel(reg, GPIO1_RISINGDETECT);
+ /* Reset PHYs to capture the Jumper setting */
+ gpio_set_value(GPIO_PHY_RESET, 0);
+ udelay(2); /* PHY datasheet states 1uS min. */
+ gpio_set_value(GPIO_PHY_RESET, 1);
+
+ reg = readl(GPIO0_IRQSTATUSRAW) & BIT(11);
+ if (reg) {
+ writel(reg, GPIO0_IRQSTATUS1); /* clear irq */
+ /* RMII mode */
+ printf("ETH0, CPSW\n");
+ } else {
+ /* MII mode */
+ printf("ETH0, PRU\n");
+ cdce913_data.pdiv3 = 4; /* 25MHz PHY clk */
+ }
+
+ reg = readl(GPIO1_IRQSTATUSRAW) & BIT(26);
+ if (reg) {
+ writel(reg, GPIO1_IRQSTATUS1); /* clear irq */
+ /* RMII mode */
+ printf("ETH1, CPSW\n");
+ gpio_set_value(GPIO_MUX_MII_CTRL, 1);
+ } else {
+ /* MII mode */
+ printf("ETH1, PRU\n");
+ cdce913_data.pdiv2 = 4; /* 25MHz PHY clk */
+ }
+
+ /* disable rising edge IRQs */
+ reg = readl(GPIO0_RISINGDETECT) & ~BIT(11);
+ writel(reg, GPIO0_RISINGDETECT);
+ reg = readl(GPIO1_RISINGDETECT) & ~BIT(26);
+ writel(reg, GPIO1_RISINGDETECT);
+
+ rv = setup_clock_synthesizer(&cdce913_data);
+ if (rv) {
+ printf("Clock synthesizer setup failed %d\n", rv);
+ return rv;
+ }
+
+ /* reset PHYs */
+ gpio_set_value(GPIO_PHY_RESET, 0);
+ udelay(2); /* PHY datasheet states 1uS min. */
+ gpio_set_value(GPIO_PHY_RESET, 1);
+ }
+#endif
return 0;
}
#ifdef CONFIG_BOARD_LATE_INIT
int board_late_init(void)
{
+#if !defined(CONFIG_SPL_BUILD)
+ uint8_t mac_addr[6];
+ uint32_t mac_hi, mac_lo;
+#endif
+
#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
- char safe_string[HDR_NAME_LEN + 1];
+ char *name = NULL;
- /* 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);
+ if (board_is_bone_lt()) {
+ /* BeagleBoard.org BeagleBone Black Wireless: */
+ if (!strncmp(board_ti_get_rev(), "BWA", 3)) {
+ name = "BBBW";
+ }
+ /* SeeedStudio BeagleBone Green Wireless */
+ if (!strncmp(board_ti_get_rev(), "GW1", 3)) {
+ name = "BBGW";
+ }
+ /* BeagleBoard.org BeagleBone Blue */
+ if (!strncmp(board_ti_get_rev(), "BLA", 3)) {
+ name = "BBBL";
+ }
+ }
- strncpy(safe_string, (char *)header.version, sizeof(header.version));
- safe_string[sizeof(header.version)] = 0;
- setenv("board_rev", safe_string);
+ if (board_is_bbg1())
+ name = "BBG1";
+ set_board_info_env(name);
+
+ /*
+ * Default FIT boot on HS devices. Non FIT images are not allowed
+ * on HS devices.
+ */
+ if (get_device_type() == HS_DEVICE)
+ setenv("boot_fit", "1");
+#endif
+
+#if !defined(CONFIG_SPL_BUILD)
+ /* 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")) {
+ printf("<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);
+ }
#endif
return 0;
}
#endif
+#ifndef CONFIG_DM_ETH
+
#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)
{
.slave_reg_ofs = 0x208,
.sliver_reg_ofs = 0xd80,
- .phy_id = 0,
+ .phy_addr = 0,
},
{
.slave_reg_ofs = 0x308,
.sliver_reg_ofs = 0xdc0,
- .phy_id = 1,
+ .phy_addr = 1,
},
};
.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,
};
#endif
-#if defined(CONFIG_DRIVER_TI_CPSW) || \
- (defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET))
+#if ((defined(CONFIG_SPL_ETH_SUPPORT) || defined(CONFIG_SPL_USBETH_SUPPORT)) &&\
+ defined(CONFIG_SPL_BUILD)) || \
+ ((defined(CONFIG_DRIVER_TI_CPSW) || \
+ defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)) && \
+ !defined(CONFIG_SPL_BUILD))
+
+/*
+ * This function will:
+ * Read the eFuse for MAC addresses, and set ethaddr/eth1addr/usbnet_devaddr
+ * in the environment
+ * Perform fixups to the PHY present on certain boards. We only need this
+ * function in:
+ * - SPL with either CPSW or USB ethernet support
+ * - Full U-Boot, with either CPSW or USB ethernet
+ * Build in only these cases to avoid warnings about unused variables
+ * when we build an SPL that has neither option but full U-Boot will.
+ */
int board_eth_init(bd_t *bis)
{
int rv, n = 0;
+#if defined(CONFIG_USB_ETHER) && \
+ (!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USBETH_SUPPORT))
uint8_t mac_addr[6];
uint32_t mac_hi, mac_lo;
- /* try reading mac address from efuse */
+ /*
+ * use efuse mac address for USB ethernet as we know that
+ * both CPSW and USB ethernet will never be active at the same time
+ */
mac_lo = readl(&cdev->macid0l);
mac_hi = readl(&cdev->macid0h);
mac_addr[0] = mac_hi & 0xFF;
mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
mac_addr[4] = mac_lo & 0xFF;
mac_addr[5] = (mac_lo & 0xFF00) >> 8;
+#endif
+
#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);
- }
#ifdef CONFIG_DRIVER_TI_CPSW
- if (board_is_bone() || board_is_bone_lt() || board_is_idk()) {
+ 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;
+ } else if (board_is_icev2()) {
+ writel(RMII_MODE_ENABLE | RMII_CHIPCKL_ENABLE, &cdev->miisel);
+ cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RMII;
+ cpsw_slaves[1].phy_if = PHY_INTERFACE_MODE_RMII;
+ cpsw_slaves[0].phy_addr = 1;
+ cpsw_slaves[1].phy_addr = 3;
} else {
- writel(RGMII_MODE_ENABLE, &cdev->miisel);
+ writel((RGMII_MODE_ENABLE | RGMII_INT_DELAY), &cdev->miisel);
cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if =
PHY_INTERFACE_MODE_RGMII;
}
#endif
#if defined(CONFIG_USB_ETHER) && \
(!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USBETH_SUPPORT))
- if (is_valid_ether_addr(mac_addr))
+ if (is_valid_ethaddr(mac_addr))
eth_setenv_enetaddr("usbnet_devaddr", mac_addr);
rv = usb_eth_initialize(bis);
return n;
}
#endif
+
+#endif /* CONFIG_DM_ETH */
+
+#ifdef CONFIG_SPL_LOAD_FIT
+int board_fit_config_name_match(const char *name)
+{
+ if (board_is_gp_evm() && !strcmp(name, "am335x-evm"))
+ return 0;
+ else if (board_is_bone() && !strcmp(name, "am335x-bone"))
+ return 0;
+ else if (board_is_bone_lt() && !strcmp(name, "am335x-boneblack"))
+ return 0;
+ else if (board_is_evm_sk() && !strcmp(name, "am335x-evmsk"))
+ return 0;
+ else if (board_is_bbg1() && !strcmp(name, "am335x-bonegreen"))
+ return 0;
+ else if (board_is_icev2() && !strcmp(name, "am335x-icev2"))
+ return 0;
+ else
+ return -1;
+}
+#endif
+
+#ifdef CONFIG_TI_SECURE_DEVICE
+void board_fit_image_post_process(void **p_image, size_t *p_size)
+{
+ secure_boot_verify_image(p_image, p_size);
+}
+#endif
+
+#if !CONFIG_IS_ENABLED(OF_CONTROL)
+static const struct omap_hsmmc_plat am335x_mmc0_platdata = {
+ .base_addr = (struct hsmmc *)OMAP_HSMMC1_BASE,
+ .cfg.host_caps = MMC_MODE_HS_52MHz | MMC_MODE_HS | MMC_MODE_4BIT,
+ .cfg.f_min = 400000,
+ .cfg.f_max = 52000000,
+ .cfg.voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195,
+ .cfg.b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT,
+};
+
+U_BOOT_DEVICE(am335x_mmc0) = {
+ .name = "omap_hsmmc",
+ .platdata = &am335x_mmc0_platdata,
+};
+
+static const struct omap_hsmmc_plat am335x_mmc1_platdata = {
+ .base_addr = (struct hsmmc *)OMAP_HSMMC2_BASE,
+ .cfg.host_caps = MMC_MODE_HS_52MHz | MMC_MODE_HS | MMC_MODE_8BIT,
+ .cfg.f_min = 400000,
+ .cfg.f_max = 52000000,
+ .cfg.voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195,
+ .cfg.b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT,
+};
+
+U_BOOT_DEVICE(am335x_mmc1) = {
+ .name = "omap_hsmmc",
+ .platdata = &am335x_mmc1_platdata,
+};
+#endif
projects / platform / kernel / u-boot.git / blobdiff