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[v2,5/6] rockchip: kylin: Enable boot with android boot image

Message ID 1452249212-25183-6-git-send-email-jeffy.chen@rock-chips.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jeffy Chen Jan. 8, 2016, 10:33 a.m. UTC 
The android kernel is using appended dtb by default, and store
ramdisk right after kernel & dtb.
So we needs to relocate ramdisk, and use atags to pass params.

Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
---

Changes in v2: None

 include/configs/kylin_rk3036.h | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
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Patch

diff --git a/include/configs/kylin_rk3036.h b/include/configs/kylin_rk3036.h
index b750b26..49997ec 100644
--- a/include/configs/kylin_rk3036.h
+++ b/include/configs/kylin_rk3036.h
@@ -35,6 +35,29 @@ 
 #undef CONFIG_EXTRA_ENV_SETTINGS
 #define CONFIG_EXTRA_ENV_SETTINGS \
 	"partitions=" PARTS_DEFAULT \
+	"mmcdev=0\0" \
+	"mmcpart=5\0" \
+	"loadaddr=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
+
+#define CONFIG_ANDROID_BOOT_IMAGE
+#define CONFIG_SYS_BOOT_RAMDISK_HIGH
+#define CONFIG_SYS_HUSH_PARSER
+
+#undef CONFIG_BOOTCOMMAND
+#define CONFIG_BOOTCOMMAND \
+	"mmc dev ${mmcdev}; if mmc rescan; then " \
+		"part start mmc ${mmcdev} ${mmcpart} boot_start;" \
+		"part size mmc ${mmcdev} ${mmcpart} boot_size;" \
+		"mmc read ${loadaddr} ${boot_start} ${boot_size};" \
+		"bootm start ${loadaddr}; bootm ramdisk;" \
+		"bootm prep; bootm go;" \
+	"fi;" \
+
+/* Enable atags */
+#define CONFIG_SYS_BOOTPARAMS_LEN	(64*1024)
+#define CONFIG_INITRD_TAG
+#define CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_CMDLINE_TAG
 
 #endif