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authorFurquan Shaikh <furquan@google.com>2014-06-26 00:11:29 -0700
committerMarc Jones <marc.jones@se-eng.com>2015-03-04 18:23:11 +0100
commitd42b3fc6a9adda4a20cd331b27117d95c70887a4 (patch)
tree364dae189730035f2a7d0cae92244392c8b7eba4
parentb68cb9e8ae63d734f5cea42d54eef11d726a5964 (diff)
coreboot rush: Add support for basic romstage
Add basic romstage support for rush. Since, dram init needs to be done before we can jump to armv8 core, romstage will run on armv4 core as well. Thus, correcting the compiler selection options. BUG=None BRANCH=None TEST=Compiles successfully for rush. Prints romstage banner and initial printk Original-Change-Id: Ie3cd290e56a712b07c1503dab199e4e34cec04d2 Original-Signed-off-by: Furquan Shaikh <furquan@google.com> Original-Reviewed-on: https://chromium-review.googlesource.com/205763 Original-Tested-by: Furquan Shaikh <furquan@chromium.org> Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org> Original-Reviewed-by: Tom Warren <twarren@nvidia.com> Original-Commit-Queue: Aaron Durbin <adurbin@chromium.org> (cherry picked from commit d20b4e66209e902f54a07a17d5ce741f0a0b3a7b) Signed-off-by: Marc Jones <marc.jones@se-eng.com> Change-Id: Ic6b7ef4a2ea01c95d0c7f040bbd079219cf5750a Reviewed-on: http://review.coreboot.org/8573 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
-rw-r--r--src/arch/arm/armv4/Makefile.inc1
-rw-r--r--src/mainboard/google/rush/romstage.c8
-rw-r--r--src/soc/nvidia/tegra132/Kconfig3
3 files changed, 11 insertions, 1 deletions
diff --git a/src/arch/arm/armv4/Makefile.inc b/src/arch/arm/armv4/Makefile.inc
index 6b516b9cf9..eab7f0f758 100644
--- a/src/arch/arm/armv4/Makefile.inc
+++ b/src/arch/arm/armv4/Makefile.inc
@@ -49,6 +49,7 @@ ifeq ($(CONFIG_ARCH_ROMSTAGE_ARMV4),y)
romstage-c-ccopts += $(armv4_flags)
romstage-S-ccopts += $(armv4_flags)
+romstage-y += cache.c
endif # CONFIG_ARCH_ROMSTAGE_ARMV4
diff --git a/src/mainboard/google/rush/romstage.c b/src/mainboard/google/rush/romstage.c
index e2b75f6842..f0de9c0dfb 100644
--- a/src/mainboard/google/rush/romstage.c
+++ b/src/mainboard/google/rush/romstage.c
@@ -20,11 +20,19 @@
#include <arch/stages.h>
#include <cbfs.h>
#include <console/console.h>
+#include <arch/exception.h>
void main(void)
{
void *entry;
+ console_init();
+ exception_init();
+
+ printk(BIOS_INFO, "T132: romstage here\n");
+
+ while (1);
+
entry = cbfs_load_stage(CBFS_DEFAULT_MEDIA, "fallback/ramstage");
stage_exit(entry);
}
diff --git a/src/soc/nvidia/tegra132/Kconfig b/src/soc/nvidia/tegra132/Kconfig
index 4dc71fe2c5..7e9aed820a 100644
--- a/src/soc/nvidia/tegra132/Kconfig
+++ b/src/soc/nvidia/tegra132/Kconfig
@@ -3,13 +3,14 @@ config SOC_NVIDIA_TEGRA132
default n
select ARCH_BOOTBLOCK_ARMV4
select ARCH_VERSTAGE_ARMV4
- select ARCH_ROMSTAGE_ARMV8_64
+ select ARCH_ROMSTAGE_ARMV4
select ARCH_RAMSTAGE_ARMV8_64
select ARM_LPAE
select DYNAMIC_CBMEM
select BOOTBLOCK_CONSOLE
select HAVE_UART_SPECIAL
select HAVE_UART_MEMORY_MAPPED
+ select EARLY_CONSOLE
select ARM_BOOTBLOCK_CUSTOM
if SOC_NVIDIA_TEGRA132