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author | oliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-05-02 20:00:54 +0000 |
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committer | oliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-05-02 20:00:54 +0000 |
commit | 7fffeef9bece37fe48341fcf47edb474f954e690 (patch) | |
tree | 11fbb17e2f70b8b63898410480b247f2cae44ce8 /ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Mem.c | |
parent | 96a8bc11507ee060ccb8be56f69e1d1a7cf52792 (diff) | |
download | edk2-platforms-7fffeef9bece37fe48341fcf47edb474f954e690.tar.xz |
ARM Packages: Fixed th 'NS' (Non Secure) bit in the MMU page Table Descriptor
The 'NS' bit must only be set in Secure world to define the Non-Secure region
of the Non-Secure World.
This bit must not be set in Non-Secure World.
Signed-off-by: Olivier Martin <olivier.martin@arm.com>
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13252 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Mem.c')
-rw-r--r-- | ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Mem.c | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Mem.c b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Mem.c index 13ec5de8d0..ef8fa4191a 100644 --- a/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Mem.c +++ b/ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA9x4/CTA9x4Mem.c @@ -26,8 +26,6 @@ // DDR attributes
#define DDR_ATTRIBUTES_CACHED ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK
#define DDR_ATTRIBUTES_UNCACHED ARM_MEMORY_REGION_ATTRIBUTE_UNCACHED_UNBUFFERED
-#define DDR_ATTRIBUTES_SECURE_CACHED ARM_MEMORY_REGION_ATTRIBUTE_SECURE_WRITE_BACK
-#define DDR_ATTRIBUTES_SECURE_UNCACHED ARM_MEMORY_REGION_ATTRIBUTE_SECURE_UNCACHED_UNBUFFERED
/**
Return the Virtual Memory Map of your platform
@@ -45,7 +43,6 @@ ArmPlatformGetVirtualMemoryMap ( )
{
ARM_MEMORY_REGION_ATTRIBUTES CacheAttributes;
- BOOLEAN TrustzoneSupport;
UINTN Index = 0;
ARM_MEMORY_REGION_DESCRIPTOR *VirtualMemoryTable;
@@ -56,14 +53,10 @@ ArmPlatformGetVirtualMemoryMap ( return;
}
- // Check if SMC TZASC is enabled. If Trustzone not enabled then all the entries remain in Secure World.
- // As this value can be changed in the Board Configuration file, the UEFI firmware needs to work for both case
- TrustzoneSupport = PcdGetBool (PcdTrustzoneSupport);
-
if (FeaturePcdGet(PcdCacheEnable) == TRUE) {
- CacheAttributes = (TrustzoneSupport ? DDR_ATTRIBUTES_CACHED : DDR_ATTRIBUTES_SECURE_CACHED);
+ CacheAttributes = DDR_ATTRIBUTES_CACHED;
} else {
- CacheAttributes = (TrustzoneSupport ? DDR_ATTRIBUTES_UNCACHED : DDR_ATTRIBUTES_SECURE_UNCACHED);
+ CacheAttributes = DDR_ATTRIBUTES_UNCACHED;
}
if (FeaturePcdGet(PcdNorFlashRemapping) == FALSE) {
@@ -84,13 +77,13 @@ ArmPlatformGetVirtualMemoryMap ( VirtualMemoryTable[++Index].PhysicalBase = ARM_VE_SMB_MB_ON_CHIP_PERIPH_BASE;
VirtualMemoryTable[Index].VirtualBase = ARM_VE_SMB_MB_ON_CHIP_PERIPH_BASE;
VirtualMemoryTable[Index].Length = ARM_VE_SMB_MB_ON_CHIP_PERIPH_SZ;
- VirtualMemoryTable[Index].Attributes = (TrustzoneSupport ? ARM_MEMORY_REGION_ATTRIBUTE_DEVICE : ARM_MEMORY_REGION_ATTRIBUTE_SECURE_DEVICE);
+ VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
// SMB CS0-CS1 - NOR Flash 1 & 2
VirtualMemoryTable[++Index].PhysicalBase = ARM_VE_SMB_NOR0_BASE;
VirtualMemoryTable[Index].VirtualBase = ARM_VE_SMB_NOR0_BASE;
VirtualMemoryTable[Index].Length = ARM_VE_SMB_NOR0_SZ + ARM_VE_SMB_NOR1_SZ;
- VirtualMemoryTable[Index].Attributes = (TrustzoneSupport ? ARM_MEMORY_REGION_ATTRIBUTE_DEVICE : ARM_MEMORY_REGION_ATTRIBUTE_SECURE_DEVICE);
+ VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
// SMB CS2 - SRAM
VirtualMemoryTable[++Index].PhysicalBase = ARM_VE_SMB_SRAM_BASE;
@@ -102,14 +95,14 @@ ArmPlatformGetVirtualMemoryMap ( VirtualMemoryTable[++Index].PhysicalBase = ARM_VE_SMB_PERIPH_BASE;
VirtualMemoryTable[Index].VirtualBase = ARM_VE_SMB_PERIPH_BASE;
VirtualMemoryTable[Index].Length = ARM_VE_SMB_PERIPH_SZ;
- VirtualMemoryTable[Index].Attributes = (TrustzoneSupport ? ARM_MEMORY_REGION_ATTRIBUTE_DEVICE : ARM_MEMORY_REGION_ATTRIBUTE_SECURE_DEVICE);
+ VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
// If a Logic Tile is connected to The ARM Versatile Express Motherboard
if (MmioRead32(ARM_VE_SYS_PROCID1_REG) != 0) {
VirtualMemoryTable[++Index].PhysicalBase = ARM_VE_EXT_AXI_BASE;
VirtualMemoryTable[Index].VirtualBase = ARM_VE_EXT_AXI_BASE;
VirtualMemoryTable[Index].Length = ARM_VE_EXT_AXI_SZ;
- VirtualMemoryTable[Index].Attributes = (TrustzoneSupport ? ARM_MEMORY_REGION_ATTRIBUTE_DEVICE : ARM_MEMORY_REGION_ATTRIBUTE_SECURE_DEVICE);
+ VirtualMemoryTable[Index].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
ASSERT((Index + 1) == (MAX_VIRTUAL_MEMORY_MAP_DESCRIPTORS + 1));
} else {
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