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authorSubrata Banik <subrata.banik@intel.com>2017-09-04 18:44:38 +0530
committerAaron Durbin <adurbin@chromium.org>2017-09-22 15:29:30 +0000
commitc7590cd9f3ca6242dd05e2a35b16c256a8759087 (patch)
tree5700243196e5938b62cbb82d32dca0ed4ba4cd75 /src/device/device.c
parent5d2928cdab0afe7624d4d49a180f90c6ceeb0674 (diff)
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arch/x86: Enable ebda library for romstage and postcar
This patch provides a kconfig option as EARLY_EBDA_INIT to ensures user can make use of EBDA library even during early boot stages like romstage, postcar. Change-Id: I603800a531f56b6ebd460d5951c35a645fbfe492 Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/21388 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/device/device.c')
-rw-r--r--src/device/device.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/src/device/device.c b/src/device/device.c
index 35f5909c6f1d..4c6b6f94a9f3 100644
--- a/src/device/device.c
+++ b/src/device/device.c
@@ -1179,8 +1179,13 @@ void dev_initialize(void)
printk(BIOS_INFO, "Initializing devices...\n");
#if IS_ENABLED(CONFIG_ARCH_X86)
- /* Ensure EBDA is prepared before Option ROMs. */
- setup_default_ebda();
+ /*
+ * Initialize EBDA area in ramstage if early
+ * initialization is not done.
+ */
+ if (!IS_ENABLED(CONFIG_EARLY_EBDA_INIT))
+ /* Ensure EBDA is prepared before Option ROMs. */
+ setup_default_ebda();
#endif
/* First call the mainboard init. */