From: Sinthu Raja <sinthu.r...@ti.com>
As AM57x uses overlays for display and camera interfaces, add support to
load DT overlay files to MMC boot.
Signed-off-by: Sinthu Raja <sinthu.r...@ti.com>
Signed-off-by: Anurag Dutta <a-du...@ti.com>
---
include/configs/ti_omap5_common.h | 11 +++++++++++
include/env/ti/mmc.h | 1 +
2 files changed, 12 insertions(+)
diff --git a/include/configs/ti_omap5_common.h
b/include/configs/ti_omap5_common.h
index ef97711e644..39102f15eb9 100644
--- a/include/configs/ti_omap5_common.h
+++ b/include/configs/ti_omap5_common.h
@@ -239,6 +239,16 @@
"if test $fdtfile = undefined; then " \
"echo WARNING: Could not determine device tree to use;
fi; \0"
+#define GET_OVERLAY_MMC_TI_ARGS \
+ "get_overlay_mmc=" \
+ "fdt address ${fdtaddr};" \
+ "fdt resize 0x100000;" \
+ "for overlay in $name_overlays;" \
+ "do;" \
+ "load mmc ${bootpart} ${dtboaddr}
${bootdir}/dtb/${overlay} &&" \
+ "fdt apply ${dtboaddr};" \
+ "done;\0" \
+
#define BOOT_TARGET_DEVICES(func) \
func(TI_MMC, ti_mmc, na) \
func(MMC, mmc, 0) \
@@ -269,6 +279,7 @@
"get_fit_config=setenv name_fit_config ${fdtfile}\0" \
DEFAULT_COMMON_BOOT_TI_ARGS \
DEFAULT_FDT_TI_ARGS \
+ GET_OVERLAY_MMC_TI_ARGS \
DFUARGS \
NETARGS \
NANDARGS \
diff --git a/include/env/ti/mmc.h b/include/env/ti/mmc.h
index d07189baaf4..dbb0e3559ea 100644
--- a/include/env/ti/mmc.h
+++ b/include/env/ti/mmc.h
@@ -44,6 +44,7 @@
"mmcloados=" \
"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
"if run loadfdt; then " \
+ "run get_overlay_mmc;" \
"bootz ${loadaddr} - ${fdtaddr}; " \
"else " \
"if test ${boot_fdt} = try; then " \
--
2.34.1
