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authorStefan Reinauer <stefan.reinauer@coreboot.org>2015-01-14 19:51:47 +0100
committerMarc Jones <marc.jones@se-eng.com>2015-01-27 01:41:40 +0100
commit77b1655d9bccd0c93cb1a6b86ecc98e2074504a3 (patch)
tree4a5dc149e9860c6755499053e2729c6937ccf24f /src/soc/nvidia/tegra124
parent40ce5d90b8b2f2b90e7198ab64e507a59bed93c7 (diff)
downloadcoreboot-77b1655d9bccd0c93cb1a6b86ecc98e2074504a3.tar.xz
vboot2: add verstage
This reverts the revert commit 5780d6f3876723b94fbe3653c9d87dad6330862e and fixes the build issue that cuased it to be reverted. Verstage will host vboot2 for firmware verification. It's a stage in the sense that it has its own set of toolchains, compiler flags, and includes. This allows us to easily add object files as needed. But it's directly linked to bootblock. This allows us to avoid code duplication for stage loading and jumping (e.g. cbfs driver) for the boards where bootblock has to run in a different architecture (e.g. Tegra124). To avoid name space conflict, verstage symbols are prefixed with verstage_. TEST=Built with VBOOT2_VERIFY_FIRMWARE on/off. Booted Nyan Blaze. BUG=None BRANCH=none Original-Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org> Original-Change-Id: Iad57741157ec70426c676e46c5855e6797ac1dac Original-Reviewed-on: https://chromium-review.googlesource.com/204376 Original-Reviewed-by: Randall Spangler <rspangler@chromium.org> (cherry picked from commit 27940f891678dae975b68f2fc729ad7348192af3) Signed-off-by: Marc Jones <marc.jones@se-eng.com> Change-Id: I2a83b87c29d98d97ae316091cf3ed7b024e21daf Reviewed-on: http://review.coreboot.org/8224 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/soc/nvidia/tegra124')
-rw-r--r--src/soc/nvidia/tegra124/Kconfig1
-rw-r--r--src/soc/nvidia/tegra124/Makefile.inc2
-rw-r--r--src/soc/nvidia/tegra124/bootblock.c7
-rw-r--r--src/soc/nvidia/tegra124/verstage.c9
-rw-r--r--src/soc/nvidia/tegra124/verstage.h2
5 files changed, 19 insertions, 2 deletions
diff --git a/src/soc/nvidia/tegra124/Kconfig b/src/soc/nvidia/tegra124/Kconfig
index 195261e2e4..f0cef82889 100644
--- a/src/soc/nvidia/tegra124/Kconfig
+++ b/src/soc/nvidia/tegra124/Kconfig
@@ -2,6 +2,7 @@ config SOC_NVIDIA_TEGRA124
bool
default n
select ARCH_BOOTBLOCK_ARMV4
+ select ARCH_VERSTAGE_ARMV4
select ARCH_ROMSTAGE_ARMV7
select ARCH_RAMSTAGE_ARMV7
select HAVE_UART_SPECIAL
diff --git a/src/soc/nvidia/tegra124/Makefile.inc b/src/soc/nvidia/tegra124/Makefile.inc
index 792bb9992b..b306412956 100644
--- a/src/soc/nvidia/tegra124/Makefile.inc
+++ b/src/soc/nvidia/tegra124/Makefile.inc
@@ -20,6 +20,8 @@ ifeq ($(CONFIG_BOOTBLOCK_CONSOLE),y)
bootblock-$(CONFIG_CONSOLE_SERIAL) += uart.c
endif
+verstage-y += verstage.c
+
romstage-y += cbfs.c
romstage-y += cbmem.c
romstage-y += clock.c
diff --git a/src/soc/nvidia/tegra124/bootblock.c b/src/soc/nvidia/tegra124/bootblock.c
index 2857a90ace..5f1e850a81 100644
--- a/src/soc/nvidia/tegra124/bootblock.c
+++ b/src/soc/nvidia/tegra124/bootblock.c
@@ -23,9 +23,9 @@
#include <console/console.h>
#include <soc/clock.h>
#include <soc/nvidia/tegra/apbmisc.h>
-
#include "pinmux.h"
#include "power.h"
+#include "verstage.h"
void main(void)
{
@@ -72,7 +72,10 @@ void main(void)
power_enable_cpu_rail();
power_ungate_cpu();
- entry = cbfs_load_stage(CBFS_DEFAULT_MEDIA, "fallback/romstage");
+ if (IS_ENABLED(CONFIG_VBOOT2_VERIFY_FIRMWARE))
+ entry = (void *)verstage_vboot_main;
+ else
+ entry = cbfs_load_stage(CBFS_DEFAULT_MEDIA, "fallback/romstage");
if (entry)
clock_cpu0_config_and_reset(entry);
diff --git a/src/soc/nvidia/tegra124/verstage.c b/src/soc/nvidia/tegra124/verstage.c
new file mode 100644
index 0000000000..234a89d0b2
--- /dev/null
+++ b/src/soc/nvidia/tegra124/verstage.c
@@ -0,0 +1,9 @@
+#include "verstage.h"
+
+/**
+ * Stage entry point
+ */
+void vboot_main(void)
+{
+ for(;;);
+}
diff --git a/src/soc/nvidia/tegra124/verstage.h b/src/soc/nvidia/tegra124/verstage.h
new file mode 100644
index 0000000000..a0bac347c6
--- /dev/null
+++ b/src/soc/nvidia/tegra124/verstage.h
@@ -0,0 +1,2 @@
+void vboot_main(void);
+void verstage_vboot_main(void);