[PATCH u-boot v2 2/3] bootm: relocate ramdisk if CONFIG_SYS_BOOT_RAMDISK_HIGH set

Rick Altherr raltherr at google.com
Sat Dec 3 09:27:03 AEDT 2016


In 35fc84f, bootm was refactored so plain 'bootm' and
'bootm <subcommand>' shared a common implementation.
The 'bootm ramdisk' command implementation is now part of the common
implementation but not invoke by plain 'bootm' since the original
implementation never did ramdisk relocation.  Instead, ramdisk
relocation happened in image_setup_linux() which is typically called
during the OS portion of 'bootm'.

On ARM, parameters to the Linux kernel can either be passed by FDT or
ATAGS. When using FDT, image_setup_linux() is called which also triggers
ramdisk relocation.  When using ATAGS, image_setup_linux() is _not_
called because it mostly does FDT setup.

Instead of calling image_setup_linux() in both FDT and ATAGS cases,
include BOOTM_STATE_RAMDISK in the requested states during a plain
'bootm' if CONFIG_SYS_BOOT_RAMDISK_HIGH is set and remove the ramdisk
relocation from image_setup_linux().  This causes ramdisk relocation to
happen on any system where CONFIG_SYS_BOOT_RAMDISK_HIGH regardless of
the OS being booted.

Signed-off-by: Rick Altherr <raltherr at google.com>
---
 cmd/bootm.c    | 3 +++
 common/image.c | 7 -------
 2 files changed, 3 insertions(+), 7 deletions(-)

diff --git a/cmd/bootm.c b/cmd/bootm.c
index 16fdea5..8da750e 100644
--- a/cmd/bootm.c
+++ b/cmd/bootm.c
@@ -131,6 +131,9 @@ int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 	return do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START |
 		BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER |
 		BOOTM_STATE_LOADOS |
+#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
+		BOOTM_STATE_RAMDISK |
+#endif
 #if defined(CONFIG_PPC) || defined(CONFIG_MIPS)
 		BOOTM_STATE_OS_CMDLINE |
 #endif
diff --git a/common/image.c b/common/image.c
index 0be09e5..6584f7f 100644
--- a/common/image.c
+++ b/common/image.c
@@ -1470,13 +1470,6 @@ int image_setup_linux(bootm_headers_t *images)
 			return ret;
 		}
 	}
-	if (IMAGE_ENABLE_RAMDISK_HIGH) {
-		rd_len = images->rd_end - images->rd_start;
-		ret = boot_ramdisk_high(lmb, images->rd_start, rd_len,
-				initrd_start, initrd_end);
-		if (ret)
-			return ret;
-	}
 
 	if (IMAGE_ENABLE_OF_LIBFDT) {
 		ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
-- 
2.8.0.rc3.226.g39d4020



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