4 files changed, 50 insertions, 4 deletions
diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c
index 111ed35..8eaf3e9 100644
--- a/board/ti/am335x/board.c
+++ b/board/ti/am335x/board.c
@@ -109,6 +109,16 @@ 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,
@@ -198,6 +208,7 @@ static struct emif_regs ddr3_beagleblack_emif_reg_data = {
 	.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,
 };
@@ -208,6 +219,7 @@ static struct emif_regs ddr3_evm_emif_reg_data = {
 	.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,
@@ -486,6 +498,9 @@ void sdram_init(void)
 		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, &ioregs, &ddr2_data,
 			   &ddr2_cmd_ctrl_data, &ddr2_emif_reg_data, 0);
diff --git a/board/ti/am335x/board.h b/board/ti/am335x/board.h
index 9776df7..48c139a 100644
--- a/board/ti/am335x/board.h
+++ b/board/ti/am335x/board.h
@@ -11,6 +11,19 @@
 #ifndef _BOARD_H_
 #define _BOARD_H_
 
+/**
+ * AM335X (EMIF_4D) EMIF REG_COS_COUNT_1, REG_COS_COUNT_2, and
+ * REG_PR_OLD_COUNT values to avoid LCDC DMA FIFO underflows and Frame
+ * Synchronization Lost errors. The values are the biggest that work
+ * reliably with offered video modes and the memory subsystem on the
+ * boards. These register have are briefly documented in "7.3.3.5.2
+ * Command Starvation" section of AM335x TRM. The REG_COS_COUNT_1 and
+ * REG_COS_COUNT_2 do not have any effect on current versions of
+ * AM335x.
+ */
+#define EMIF_OCP_CONFIG_BEAGLEBONE_BLACK       0x00141414
+#define EMIF_OCP_CONFIG_AM335X_EVM             0x003d3d3d
+
 static inline int board_is_bone(void)
 {
 	return board_ti_is("A335BONE");
diff --git a/board/ti/am57xx/board.c b/board/ti/am57xx/board.c
index 797d7a4..5f2d4df 100644
--- a/board/ti/am57xx/board.c
+++ b/board/ti/am57xx/board.c
@@ -55,6 +55,9 @@ DECLARE_GLOBAL_DATA_PTR;
 
 #define SYSINFO_BOARD_NAME_MAX_LEN	45
 
+#define TPS65903X_PRIMARY_SECONDARY_PAD2	0xFB
+#define TPS65903X_PAD2_POWERHOLD_MASK		0x20
+
 const struct omap_sysinfo sysinfo = {
 	"Board: UNKNOWN(BeagleBoard X15?) REV UNKNOWN\n"
 };
@@ -457,6 +460,7 @@ int board_init(void)
 int board_late_init(void)
 {
 	setup_board_eeprom_env();
+	u8 val;
 
 	/*
 	 * DEV_CTRL.DEV_ON = 1 please - else palmas switches off in 8 seconds
@@ -471,6 +475,18 @@ int board_late_init(void)
 	if (get_device_type() == HS_DEVICE)
 		setenv("boot_fit", "1");
 
+	/*
+	 * Set the GPIO7 Pad to POWERHOLD. This has higher priority
+	 * over DEV_CTRL.DEV_ON bit. This can be reset in case of
+	 * PMIC Power off. So to be on the safer side set it back
+	 * to POWERHOLD mode irrespective of the current state.
+	 */
+	palmas_i2c_read_u8(TPS65903X_CHIP_P1, TPS65903X_PRIMARY_SECONDARY_PAD2,
+			   &val);
+	val = val | TPS65903X_PAD2_POWERHOLD_MASK;
+	palmas_i2c_write_u8(TPS65903X_CHIP_P1, TPS65903X_PRIMARY_SECONDARY_PAD2,
+			    val);
+
 	return 0;
 }
 
diff --git a/board/ti/common/board_detect.c b/board/ti/common/board_detect.c
index 6e7ca91..a5dba94 100644
--- a/board/ti/common/board_detect.c
+++ b/board/ti/common/board_detect.c
@@ -123,8 +123,10 @@ int __maybe_unused ti_i2c_eeprom_am_get(int bus_addr, int dev_addr)
 	struct ti_common_eeprom *ep;
 
 	ep = TI_EEPROM_DATA;
+#ifndef CONFIG_SPL_BUILD
 	if (ep->header == TI_EEPROM_HEADER_MAGIC)
-		goto already_read;
+		return 0; /* EEPROM has already been read */
+#endif
 
 	/* Initialize with a known bad marker for i2c fails.. */
 	ep->header = TI_DEAD_EEPROM_MAGIC;
@@ -157,7 +159,6 @@ int __maybe_unused ti_i2c_eeprom_am_get(int bus_addr, int dev_addr)
 	memcpy(ep->mac_addr, am_ep.mac_addr,
 	       TI_EEPROM_HDR_NO_OF_MAC_ADDR * TI_EEPROM_HDR_ETH_ALEN);
 
-already_read:
 	return 0;
 }
 
@@ -168,8 +169,10 @@ int __maybe_unused ti_i2c_eeprom_dra7_get(int bus_addr, int dev_addr)
 	struct ti_common_eeprom *ep;
 
 	ep = TI_EEPROM_DATA;
+#ifndef CONFIG_SPL_BUILD
 	if (ep->header == DRA7_EEPROM_HEADER_MAGIC)
-		goto already_read;
+		return 0; /* EEPROM has already been read */
+#endif
 
 	/* Initialize with a known bad marker for i2c fails.. */
 	ep->header = TI_DEAD_EEPROM_MAGIC;
@@ -202,7 +205,6 @@ int __maybe_unused ti_i2c_eeprom_dra7_get(int bus_addr, int dev_addr)
 	strlcpy(ep->config, dra7_ep.config, TI_EEPROM_HDR_CONFIG_LEN + 1);
 	ti_eeprom_string_cleanup(ep->config);
 
-already_read:
 	return 0;
 }