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authorLucas Stach <l.stach@pengutronix.de>2019-05-31 11:47:28 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2019-06-04 09:54:59 +0200
commit207c42850e481acf7a6247ae4f34541b0a0142ec (patch)
treeca384bcdf068095298dab0f0beaa72ef68846a41 /arch/arm
parent77d192699c65a492b7b7767d4260158d853d225a (diff)
downloadbarebox-207c42850e481acf7a6247ae4f34541b0a0142ec.tar.gz
barebox-207c42850e481acf7a6247ae4f34541b0a0142ec.tar.xz
ARM: zii-imx8mq-dev: add barebox and environment partition
While barebox itself should be on the eMMC boot partitions eventually it's nice to have this set up, so one can dd a prebuilt SD card image to the eMMC and have something working. A working Barebox env is also very convinient to have around during development. Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Reviewed-by: Vivien Didelot <vivien.didelot@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/boards/zii-imx8mq-dev/board.c6
-rw-r--r--arch/arm/dts/imx8mq-zii-ultra.dtsi37
2 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm/boards/zii-imx8mq-dev/board.c b/arch/arm/boards/zii-imx8mq-dev/board.c
index 94e71f58ce..4dbe23f58c 100644
--- a/arch/arm/boards/zii-imx8mq-dev/board.c
+++ b/arch/arm/boards/zii-imx8mq-dev/board.c
@@ -4,6 +4,7 @@
* Author: Andrey Smirnov <andrew.smirnov@gmail.com>
*/
+#include <bootsource.h>
#include <common.h>
#include <init.h>
#include <asm/memory.h>
@@ -19,6 +20,11 @@ static int zii_imx8mq_dev_init(void)
imx8mq_bbu_internal_mmcboot_register_handler("eMMC", "/dev/mmc0", 0);
+ if (bootsource_get_instance() == 0)
+ of_device_enable_path("/chosen/environment-emmc");
+ else
+ of_device_enable_path("/chosen/environment-sd");
+
return 0;
}
device_initcall(zii_imx8mq_dev_init);
diff --git a/arch/arm/dts/imx8mq-zii-ultra.dtsi b/arch/arm/dts/imx8mq-zii-ultra.dtsi
index ccf80d3de8..53679b0d3c 100644
--- a/arch/arm/dts/imx8mq-zii-ultra.dtsi
+++ b/arch/arm/dts/imx8mq-zii-ultra.dtsi
@@ -10,6 +10,17 @@
/ {
chosen {
stdout-path = &uart1;
+
+ environment-emmc {
+ compatible = "barebox,environment";
+ device-path = &usdhc1, "partname:barebox-environment";
+ status = "disabled";
+ };
+ environment-sd {
+ compatible = "barebox,environment";
+ device-path = &usdhc2, "partname:barebox-environment";
+ status = "disabled";
+ };
};
mdio0: bitbang-mdio {
@@ -348,6 +359,19 @@
no-sd;
no-sdio;
status = "okay";
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "barebox";
+ reg = <0x0 0xe0000>;
+ };
+
+ partition@e0000 {
+ label = "barebox-environment";
+ reg = <0xe0000 0x20000>;
+ };
};
&usdhc2 {
@@ -358,6 +382,19 @@
cd-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>;
vmmc-supply = <&reg_usdhc2_vmmc>;
status = "okay";
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "barebox";
+ reg = <0x0 0xe0000>;
+ };
+
+ partition@e0000 {
+ label = "barebox-environment";
+ reg = <0xe0000 0x20000>;
+ };
};
&iomuxc {