apalis-imx8: add M4 boot environment helpers

Add M4 boot environment functions for reference.

Signed-off-by: Andrejs Cainikovs <andrejs.cainikovs@toradex.com>
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Reviewed-by: Fabio Estevam <festevam@denx.de>

diff --git a/include/configs/apalis-imx8.h b/include/configs/apalis-imx8.h
index 9eedf36b41e3fda4a94927abf1d4291719ddc432..845705c86db22083d3811ba5ba6cda2aba4e4351 100644 (file)
--- a/include/configs/apalis-imx8.h
+++ b/include/configs/apalis-imx8.h
@@ -19,6 +19,15 @@
        "ramdisk_addr_r=0x9d500000\0" \
        "scriptaddr=0x9d480000\0"
 
+/* Boot M4 */
+#define M4_BOOT_ENV \
+       "m4_0_image=m4_0.bin\0" \
+       "m4_1_image=m4_1.bin\0" \
+       "loadm4image_0=load mmc ${mmcdev}:${mmcpart} ${loadaddr} ${m4_0_image}\0" \
+       "loadm4image_1=load mmc ${mmcdev}:${mmcpart} ${loadaddr} ${m4_1_image}\0" \
+       "m4boot_0=run loadm4image_0; dcache flush; bootaux ${loadaddr} 0\0" \
+       "m4boot_1=run loadm4image_1; dcache flush; bootaux ${loadaddr} 1\0" \
+
 /* Enable Distro Boot */
 #define BOOT_TARGET_DEVICES(func) \
        func(MMC, mmc, 1) \
@@ -30,6 +39,7 @@
 /* Initial environment variables */
 #define CFG_EXTRA_ENV_SETTINGS \
        BOOTENV \
+       M4_BOOT_ENV \
        MEM_LAYOUT_ENV_SETTINGS \
        "boot_script_dhcp=boot.scr\0" \
        "console=ttyLP1\0" \