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| author | oliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524> | 2013-03-12 00:43:58 +0000 |
|---|---|---|
| committer | oliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524> | 2013-03-12 00:43:58 +0000 |
| commit | 9f5c60c38b953c9890b7bd9ab35d6bf2c530d3bb (patch) | |
| tree | 5a256b825748054ec7dadddfc6029c6d2c852869 /ArmPlatformPkg/ArmVExpressPkg/Library | |
| parent | c0b2e4775dcb06d9016f17f5d22e6276d9b58397 (diff) | |
| download | edk2-platforms-9f5c60c38b953c9890b7bd9ab35d6bf2c530d3bb.tar.xz | |
ArmPlatformPkg/CTA15-A7: Add a convenient way to restore default values in NOR flash.
Setting bit4 of SCC register 48 now triggers the erasing of the memory region
reserved for variable storage in NOR flash and the restoration of the default
headers in flash.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14177 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'ArmPlatformPkg/ArmVExpressPkg/Library')
| -rw-r--r-- | ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA15-A7/CTA15-A7.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA15-A7/CTA15-A7.c b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA15-A7/CTA15-A7.c index c650a6e3a5..87f41c7ae0 100644 --- a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA15-A7/CTA15-A7.c +++ b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA15-A7/CTA15-A7.c @@ -121,7 +121,11 @@ ArmPlatformGetBootMode ( VOID
)
{
- return BOOT_WITH_FULL_CONFIGURATION;
+ if (MmioRead32(ARM_CTA15A7_SCC_SYSINFO) & ARM_CTA15A7_SCC_SYSINFO_UEFI_RESTORE_DEFAULT_NORFLASH) {
+ return BOOT_WITH_DEFAULT_SETTINGS;
+ } else {
+ return BOOT_WITH_FULL_CONFIGURATION;
+ }
}
/**
|