[U-Boot] [PATCH 16/22] x86: board_f: Adjust x86 boot order for performance

Simon Glass sjg at chromium.org
Sun Dec 28 03:20:40 CET 2014


For bare platforms we turn off ROM-caching before calling board_init_f_r()
It is then very slow to copy U-Boot from ROM to RAM. So adjust the order so
that the copying happens before we turn off ROM-caching.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 common/board_f.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/common/board_f.c b/common/board_f.c
index 98c9c72..1b65575 100644
--- a/common/board_f.c
+++ b/common/board_f.c
@@ -983,6 +983,11 @@ static init_fnc_t init_sequence_f[] = {
 	INIT_FUNC_WATCHDOG_RESET
 	reloc_fdt,
 	setup_reloc,
+#ifdef CONFIG_X86
+	copy_uboot_to_ram,
+	clear_bss,
+	do_elf_reloc_fixups,
+#endif
 #if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX)
 	jump_to_copy,
 #endif
@@ -1042,9 +1047,6 @@ void board_init_f(ulong boot_flags)
  */
 static init_fnc_t init_sequence_f_r[] = {
 	init_cache_f_r,
-	copy_uboot_to_ram,
-	clear_bss,
-	do_elf_reloc_fixups,
 
 	NULL,
 };
-- 
2.2.0.rc0.207.ga3a616c



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