[coreboot-gerrit] Change in ...coreboot[master]: [WIP] nb/intel/sandybridge: Reserve CAR region with !NATIVE_RAMINIT

[Kyösti Mälkki (Code Review)]

Kyösti Mälkki has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/31150

Change subject: [WIP] nb/intel/sandybridge: Reserve CAR region with !NATIVE_RAMINIT
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[WIP] nb/intel/sandybridge: Reserve CAR region with !NATIVE_RAMINIT

Fail builds if MRC blobs pool heap would get corrupted
by CAR relocatable data from coreboot proper.

Patch the blob instead:
https://review.coreboot.org/c/blobs/+/31149

Change-Id: Ibc771b592b35d77be81fce87769314fe6bb84c87
Signed-off-by: Kyösti Mälkki 
---
M src/arch/x86/car.ld
1 file changed, 7 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/50/31150/1

diff --git a/src/arch/x86/car.ld b/src/arch/x86/car.ld
index 7b10f43..fe55071 100644
--- a/src/arch/x86/car.ld
+++ b/src/arch/x86/car.ld
@@ -89,6 +89,13 @@
    _car_global_end = .;
    _car_relocatable_data_end = .;

+#if IS_ENABLED(CONFIG_NORTHBRIDGE_INTEL_SANDYBRIDGE) && !IS_ENABLED(CONFIG_USE_NATIVE_RAMINIT)
+	. = ABSOLUTE(0xff7e1000);
+	_mrc_var_heap_start = .;
+	. += 0x3000;
+	_mrc_var_heap_end = .;
+#endif
+
 #if !IS_ENABLED(CONFIG_C_ENVIRONMENT_BOOTBLOCK)
    _car_stack_start = .;
    _car_stack_end = _car_region_end;