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-rw-r--r--arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi2
-rw-r--r--arch/arm/dts/stm32mp15xx-dhcor-u-boot.dtsi2
-rw-r--r--board/dhelectronics/dh_stm32mp1/board.c26
3 files changed, 29 insertions, 1 deletions
diff --git a/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi b/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi
index 54f7ec57b7..c1702f8892 100644
--- a/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi
+++ b/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi
@@ -5,6 +5,7 @@
#include <dt-bindings/clock/stm32mp1-clksrc.h>
#include "stm32mp15-u-boot.dtsi"
+#include "stm32mp15-ddr3-1x4Gb-1066-binG.dtsi"
#include "stm32mp15-ddr3-2x4Gb-1066-binG.dtsi"
/ {
@@ -24,6 +25,7 @@
st,fastboot-gpios = <&gpioa 13 GPIO_ACTIVE_LOW>;
st,stm32prog-gpios = <&gpioa 14 GPIO_ACTIVE_LOW>;
dh,som-coding-gpios = <&gpiof 12 0>, <&gpiof 13 0>, <&gpiof 15 0>;
+ dh,ddr3-coding-gpios = <&gpioz 6 0>, <&gpioz 7 0>;
};
led {
diff --git a/arch/arm/dts/stm32mp15xx-dhcor-u-boot.dtsi b/arch/arm/dts/stm32mp15xx-dhcor-u-boot.dtsi
index aa81ed8393..c827e52b58 100644
--- a/arch/arm/dts/stm32mp15xx-dhcor-u-boot.dtsi
+++ b/arch/arm/dts/stm32mp15xx-dhcor-u-boot.dtsi
@@ -9,11 +9,13 @@
#include <dt-bindings/clock/stm32mp1-clksrc.h>
#include "stm32mp15-u-boot.dtsi"
+#include "stm32mp15-ddr3-1x4Gb-1066-binG.dtsi"
#include "stm32mp15-ddr3-2x4Gb-1066-binG.dtsi"
/ {
u-boot,dm-pre-reloc;
config {
+ dh,ddr3-coding-gpios = <&gpiog 0 0>, <&gpiog 1 0>;
dh,som-coding-gpios = <&gpioz 7 0>, <&gpiof 3 0>;
};
};
diff --git a/board/dhelectronics/dh_stm32mp1/board.c b/board/dhelectronics/dh_stm32mp1/board.c
index 5193868d7c..9a2926bbe5 100644
--- a/board/dhelectronics/dh_stm32mp1/board.c
+++ b/board/dhelectronics/dh_stm32mp1/board.c
@@ -135,6 +135,7 @@ int checkboard(void)
#ifdef CONFIG_BOARD_EARLY_INIT_F
static u8 brdcode __section("data");
+static u8 ddr3code __section("data");
static u8 somcode __section("data");
static void board_get_coding_straps(void)
@@ -150,6 +151,7 @@ static void board_get_coding_straps(void)
}
brdcode = 0;
+ ddr3code = 0;
somcode = 0;
ret = gpio_request_list_by_name_nodev(node, "dh,som-coding-gpios",
@@ -158,13 +160,34 @@ static void board_get_coding_straps(void)
for (i = 0; i < ret; i++)
somcode |= !!dm_gpio_get_value(&(gpio[i])) << i;
+ ret = gpio_request_list_by_name_nodev(node, "dh,ddr3-coding-gpios",
+ gpio, ARRAY_SIZE(gpio),
+ GPIOD_IS_IN);
+ for (i = 0; i < ret; i++)
+ ddr3code |= !!dm_gpio_get_value(&(gpio[i])) << i;
+
ret = gpio_request_list_by_name_nodev(node, "dh,board-coding-gpios",
gpio, ARRAY_SIZE(gpio),
GPIOD_IS_IN);
for (i = 0; i < ret; i++)
brdcode |= !!dm_gpio_get_value(&(gpio[i])) << i;
- printf("Code: SoM:rev=%d Board:rev=%d\n", somcode, brdcode);
+ printf("Code: SoM:rev=%d,ddr3=%d Board:rev=%d\n",
+ somcode, ddr3code, brdcode);
+}
+
+int board_stm32mp1_ddr_config_name_match(struct udevice *dev,
+ const char *name)
+{
+ if (ddr3code == 2 &&
+ !strcmp(name, "st,ddr3-1066-888-bin-g-1x4gb-533mhz"))
+ return 0;
+
+ if (ddr3code == 3 &&
+ !strcmp(name, "st,ddr3-1066-888-bin-g-2x4gb-533mhz"))
+ return 0;
+
+ return -EINVAL;
}
int board_early_init_f(void)
@@ -537,6 +560,7 @@ int board_late_init(void)
#ifdef CONFIG_BOARD_EARLY_INIT_F
env_set_ulong("dh_som_rev", somcode);
env_set_ulong("dh_board_rev", brdcode);
+ env_set_ulong("dh_ddr3_code", ddr3code);
#endif
return 0;