x86: Configure premem cbmem console size
Sometime preram cbmem logs are truncated due to lack of
space (default preram cbmem console size is 0xc00).
Provide Kconfig option to configure preram cbmem console
size so that mainboard can configure it to required value.
Change-Id: I221d9170c547d41d8bd678a3a8b3bca6a76ccd2e
Signed-off-by: Naresh G Solanki <naresh.solanki@intel.com>
Reviewed-on: https://review.coreboot.org/17839
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
diff --git a/src/arch/x86/Kconfig b/src/arch/x86/Kconfig
index cd5f8e5..6280024 100644
--- a/src/arch/x86/Kconfig
+++ b/src/arch/x86/Kconfig
@@ -118,6 +118,12 @@
early get_top_of_ram() call for romstage. CBMEM tables will be
allocated late in ramstage, after PCI devices resources are known.
+config PRERAM_CBMEM_CONSOLE_SIZE
+ hex
+ default 0xc00
+ help
+ Increase this value if preram cbmem console is getting truncated
+
config PC80_SYSTEM
bool
default y if ARCH_X86
diff --git a/src/arch/x86/car.ld b/src/arch/x86/car.ld
index c221fb8..9236009 100644
--- a/src/arch/x86/car.ld
+++ b/src/arch/x86/car.ld
@@ -36,7 +36,7 @@
* in size. Therefore place them at the beginning .car.data section
* so that multiple stages (romstage and verstage) have a consistent
* link address of these shared objects. */
- PRERAM_CBMEM_CONSOLE(., (CONFIG_LATE_CBMEM_INIT ? 0 : 0xc00))
+ PRERAM_CBMEM_CONSOLE(., (CONFIG_LATE_CBMEM_INIT ? 0 : CONFIG_PRERAM_CBMEM_CONSOLE_SIZE))
_car_relocatable_data_start = .;
/* The timestamp implementation relies on this storage to be around
* after migration. One of the fields indicates not to use it as the