diff options
Diffstat (limited to 'ArmPlatformPkg')
| -rw-r--r-- | ArmPlatformPkg/ArmJunoPkg/Drivers/ArmJunoDxe/ArmJunoDxe.c | 62 |
1 files changed, 19 insertions, 43 deletions
diff --git a/ArmPlatformPkg/ArmJunoPkg/Drivers/ArmJunoDxe/ArmJunoDxe.c b/ArmPlatformPkg/ArmJunoPkg/Drivers/ArmJunoDxe/ArmJunoDxe.c index dba1fcd7a..b97f04400 100644 --- a/ArmPlatformPkg/ArmJunoPkg/Drivers/ArmJunoDxe/ArmJunoDxe.c +++ b/ArmPlatformPkg/ArmJunoPkg/Drivers/ArmJunoDxe/ArmJunoDxe.c @@ -30,14 +30,6 @@ #include <Library/IoLib.h>
#include <Library/PrintLib.h>
-//
-// Hardware platform identifiers
-//
-typedef enum {
- UNKNOWN,
- JUNO_R0,
- JUNO_R1
-} JUNO_REVISION;
// This GUID must match the FILE_GUID in ArmPlatformPkg/ArmJunoPkg/AcpiTables/AcpiTables.inf
STATIC CONST EFI_GUID mJunoAcpiTableFile = { 0xa1dd808e, 0x1e95, 0x4399, { 0xab, 0xc0, 0x65, 0x3c, 0x82, 0xe8, 0x53, 0x0c } };
@@ -134,6 +126,16 @@ AcpiTableJunoR1Check ( return TRUE;
}
+STATIC
+BOOLEAN
+AcpiTableJunoR2Check (
+ IN EFI_ACPI_DESCRIPTION_HEADER *AcpiHeader
+ )
+{
+ return TRUE;
+}
+
+
EFI_STATUS
EFIAPI
ArmJunoEntryPoint (
@@ -146,13 +148,9 @@ ArmJunoEntryPoint ( CHAR16 *TextDevicePath;
UINTN TextDevicePathSize;
VOID *Buffer;
- UINT32 Midr;
- UINT32 CpuType;
- UINT32 CpuRev;
- JUNO_REVISION JunoRevision;
+ UINT32 JunoRevision;
EFI_EVENT EndOfDxeEvent;
- JunoRevision = UNKNOWN;
Status = PciEmulationEntryPoint ();
if (EFI_ERROR (Status)) {
return Status;
@@ -217,47 +215,25 @@ ArmJunoEntryPoint ( DEBUG ((EFI_D_ERROR, "ArmJunoDxe: Failed to install ShellDynCmdRunAxf\n"));
}
- //
- // We detect whether we are running on a Juno r0 or Juno r1 board at
- // runtime by checking the value of the MIDR register.
- //
-
- Midr = ArmReadMidr ();
- CpuType = (Midr >> ARM_CPU_TYPE_SHIFT) & ARM_CPU_TYPE_MASK;
- CpuRev = Midr & ARM_CPU_REV_MASK;
-
- switch (CpuType) {
- case ARM_CPU_TYPE_A53:
- if (CpuRev == ARM_CPU_REV (0, 0)) {
- JunoRevision = JUNO_R0;
- } else if (CpuRev == ARM_CPU_REV (0, 3)) {
- JunoRevision = JUNO_R1;
- }
- break;
-
- case ARM_CPU_TYPE_A57:
- if (CpuRev == ARM_CPU_REV (0, 0)) {
- JunoRevision = JUNO_R0;
- } else if (CpuRev == ARM_CPU_REV (1, 1)) {
- JunoRevision = JUNO_R1;
- }
- }
+ GetJunoRevision(JunoRevision);
//
// Try to install the ACPI Tables
//
- if (JunoRevision == JUNO_R0) {
+ if (JunoRevision == JUNO_REVISION_R0) {
Status = LocateAndInstallAcpiFromFvConditional (&mJunoAcpiTableFile, AcpiTableJunoR0Check);
- } else if (JunoRevision == JUNO_R1) {
+ } else if (JunoRevision == JUNO_REVISION_R1) {
Status = LocateAndInstallAcpiFromFvConditional (&mJunoAcpiTableFile, AcpiTableJunoR1Check);
+ } else if (JunoRevision == JUNO_REVISION_R2) {
+ Status = LocateAndInstallAcpiFromFvConditional (&mJunoAcpiTableFile, AcpiTableJunoR2Check);
}
- ASSERT_EFI_ERROR (Status);
+ ASSERT_EFI_ERROR (Status);
//
- // Set the R1 two boot options if not already done.
+ // Setup R1/R2 options if not already done.
//
- if (JunoRevision == JUNO_R1) {
+ if (JunoRevision != JUNO_REVISION_R0) {
// Enable PCI enumeration
PcdSetBool (PcdPciDisableBusEnumeration, FALSE);
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