mainboard/google: Update the TLMM registers for sdhc

Update the TLMM register values for eMMC and SD card on Trogdor,
Herobrine and Mistral boards.

BUG=b:196936525
TEST=Validated on qualcomm sc7280 and sc7180 development board and checked
basic boot up.

Signed-off-by: Shaik Sajida Bhanu <sbhanu@codeaurora.org>
Change-Id: Iccdb7757027c6de424a82e4374bad802501ac83c
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57450
Reviewed-by: Shelley Chen <shchen@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

6 files changed, 41 insertions, 0 deletions

diff --git a/src/mainboard/google/herobrine/mainboard.c b/src/mainboard/google/herobrine/mainboard.c
index dc60e6e2c4..6f8d19d8d1 100644
--- a/src/mainboard/google/herobrine/mainboard.c
+++ b/src/mainboard/google/herobrine/mainboard.c
@@ -6,15 +6,25 @@
 #include <soc/clock.h>
 #include <console/console.h>
 #include <device/device.h>
+#include <device/mmio.h>
 #include <bootblock_common.h>
 #include <soc/clock.h>
 
+static void configure_sdhci(void)
+{
+	/* Program eMMC drive strength to 16/10/10 mA */
+	write32((void *)SDC1_TLMM_CFG_ADDR, 0x9FE4);
+	/* Program SD card drive strength to 16/10/10 mA */
+	write32((void *)SDC2_TLMM_CFG_ADDR, 0x1FE4);
+}
+
 static void mainboard_init(struct device *dev)
 {
 	/* Configure clock for eMMC */
 	clock_configure_sdcc(1, 384 * MHz);
 	/* Configure clock for SD card */
 	clock_configure_sdcc(2, 50 * MHz);
+	configure_sdhci();
 }
 
 static void mainboard_enable(struct device *dev)
diff --git a/src/mainboard/google/mistral/mainboard.c b/src/mainboard/google/mistral/mainboard.c
index 804afb4135..e45ff8fef6 100644
--- a/src/mainboard/google/mistral/mainboard.c
+++ b/src/mainboard/google/mistral/mainboard.c
@@ -1,8 +1,10 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
 #include <device/device.h>
+#include <device/mmio.h>
 #include <vendorcode/google/chromeos/chromeos.h>
 #include <soc/usb.h>
+#include <soc/addressmap.h>
 
 static struct usb_board_data usb1_board_data = {
 	.parameter_override_x0 = 0x63,
@@ -17,6 +19,12 @@ static void setup_usb(void)
 	setup_usb_host(HSUSB_HS_PORT_1, &usb1_board_data);
 }
 
+static void configure_sdhci(void)
+{
+	/* Program eMMC drive strength to 16/10/10 mA */
+	write32((void *)SDC1_TLMM_CFG_ADDR, 0x9FE4);
+}
+
 static void mainboard_init(struct device *dev)
 {
 	/* Copy WIFI calibration data into CBMEM. */
@@ -24,6 +32,7 @@ static void mainboard_init(struct device *dev)
 		cbmem_add_vpd_calibration_data();
 
 	setup_usb();
+	configure_sdhci();
 }
 
 static void mainboard_enable(struct device *dev)
diff --git a/src/mainboard/google/trogdor/mainboard.c b/src/mainboard/google/trogdor/mainboard.c
index 41bef2b3e7..982c1c1dae 100644
--- a/src/mainboard/google/trogdor/mainboard.c
+++ b/src/mainboard/google/trogdor/mainboard.c
@@ -6,6 +6,7 @@
 #include <delay.h>
 #include <device/device.h>
 #include <device/i2c_simple.h>
+#include <device/mmio.h>
 #include <mipi/panel.h>
 #include <drivers/ti/sn65dsi86bridge/sn65dsi86bridge.h>
 #include <edid.h>
@@ -19,6 +20,7 @@
 #include <types.h>
 
 #include "board.h"
+#include <soc/addressmap.h>
 
 #define BRIDGE_BUS 0x2
 #define BRIDGE_CHIP 0x2d
@@ -202,6 +204,14 @@ static void display_startup(void)
 	}
 }
 
+static void configure_sdhci(void)
+{
+	/* Program eMMC drive strength to 16/16/16 mA */
+	write32((void *)SDC1_TLMM_CFG_ADDR, 0x9FFF);
+	/* Program SD card drive strength to 16/10/10 mA */
+	write32((void *)SDC2_TLMM_CFG_ADDR, 0x1FE4);
+}
+
 static void mainboard_init(struct device *dev)
 {
 	/* Take FPMCU out of reset. Power was already applied
@@ -213,6 +223,7 @@ static void mainboard_init(struct device *dev)
 	qi2s_configure_gpios();
 	load_qup_fw();
 	display_startup();
+	configure_sdhci();
 }
 
 static void mainboard_enable(struct device *dev)
diff --git a/src/soc/qualcomm/qcs405/include/soc/addressmap.h b/src/soc/qualcomm/qcs405/include/soc/addressmap.h
index b21ae26b71..637a059b07 100644
--- a/src/soc/qualcomm/qcs405/include/soc/addressmap.h
+++ b/src/soc/qualcomm/qcs405/include/soc/addressmap.h
@@ -9,4 +9,7 @@
 #define TLMM_SOUTH_TILE_BASE		0x1000000
 #define GCC_BASE			0x01800000
 
+/* SDHC TLMM Registers */
+#define SDC1_TLMM_CFG_ADDR		0x010C2000
+
 #endif /*  __SOC_QUALCOMM_QCS405_ADDRESS_MAP_H__ */
diff --git a/src/soc/qualcomm/sc7180/include/soc/addressmap.h b/src/soc/qualcomm/sc7180/include/soc/addressmap.h
index e360e8a30e..f295ceea22 100644
--- a/src/soc/qualcomm/sc7180/include/soc/addressmap.h
+++ b/src/soc/qualcomm/sc7180/include/soc/addressmap.h
@@ -56,4 +56,8 @@
 #define GPIO_FUNC_QSPI_DATA_1		GPIO65_FUNC_QSPI_DATA_1
 #define GPIO_FUNC_QSPI_CLK		GPIO63_FUNC_QSPI_CLK
 
+/* SDHC TLMM Registers */
+#define SDC1_TLMM_CFG_ADDR		0x03D7A000
+#define SDC2_TLMM_CFG_ADDR		0x03D7B000
+
 #endif /*  __SOC_QUALCOMM_SC7180_ADDRESS_MAP_H__ */
diff --git a/src/soc/qualcomm/sc7280/include/soc/addressmap.h b/src/soc/qualcomm/sc7280/include/soc/addressmap.h
index 6ef653375e..14c83fe7da 100644
--- a/src/soc/qualcomm/sc7280/include/soc/addressmap.h
+++ b/src/soc/qualcomm/sc7280/include/soc/addressmap.h
@@ -24,4 +24,8 @@
 #define GPIO_FUNC_QSPI_DATA_1		GPIO13_FUNC_QSPI_DATA_1
 #define GPIO_FUNC_QSPI_CLK		GPIO14_FUNC_QSPI_CLK
 
+/* SDHC TLMM Registers */
+#define SDC1_TLMM_CFG_ADDR		0x0F1B3000
+#define SDC2_TLMM_CFG_ADDR		0x0F1B4000
+
 #endif /*  __SOC_QUALCOMM_SC7280_ADDRESS_MAP_H__ */