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Diffstat (limited to 'source/components/hardware/hwxface.c')
-rw-r--r--source/components/hardware/hwxface.c130
1 files changed, 3 insertions, 127 deletions
diff --git a/source/components/hardware/hwxface.c b/source/components/hardware/hwxface.c
index 3627a9715..49a19e458 100644
--- a/source/components/hardware/hwxface.c
+++ b/source/components/hardware/hwxface.c
@@ -247,84 +247,14 @@ AcpiRead (
UINT64 *ReturnValue,
ACPI_GENERIC_ADDRESS *Reg)
{
- UINT32 ValueLo;
- UINT32 ValueHi;
- UINT32 Width;
- UINT64 Address;
ACPI_STATUS Status;
ACPI_FUNCTION_NAME (AcpiRead);
- if (!ReturnValue)
- {
- return (AE_BAD_PARAMETER);
- }
-
- /* Validate contents of the GAS register. Allow 64-bit transfers */
-
- Status = AcpiHwValidateRegister (Reg, 64, &Address);
- if (ACPI_FAILURE (Status))
- {
- return (Status);
- }
-
- /*
- * Two address spaces supported: Memory or I/O. PCI_Config is
- * not supported here because the GAS structure is insufficient
- */
- if (Reg->SpaceId == ACPI_ADR_SPACE_SYSTEM_MEMORY)
- {
- Status = AcpiOsReadMemory ((ACPI_PHYSICAL_ADDRESS)
- Address, ReturnValue, Reg->BitWidth);
- if (ACPI_FAILURE (Status))
- {
- return (Status);
- }
- }
- else /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */
- {
- ValueLo = 0;
- ValueHi = 0;
-
- Width = Reg->BitWidth;
- if (Width == 64)
- {
- Width = 32; /* Break into two 32-bit transfers */
- }
-
- Status = AcpiHwReadPort ((ACPI_IO_ADDRESS)
- Address, &ValueLo, Width);
- if (ACPI_FAILURE (Status))
- {
- return (Status);
- }
-
- if (Reg->BitWidth == 64)
- {
- /* Read the top 32 bits */
-
- Status = AcpiHwReadPort ((ACPI_IO_ADDRESS)
- (Address + 4), &ValueHi, 32);
- if (ACPI_FAILURE (Status))
- {
- return (Status);
- }
- }
-
- /* Set the return value only if status is AE_OK */
-
- *ReturnValue = (ValueLo | ((UINT64) ValueHi << 32));
- }
-
- ACPI_DEBUG_PRINT ((ACPI_DB_IO,
- "Read: %8.8X%8.8X width %2d from %8.8X%8.8X (%s)\n",
- ACPI_FORMAT_UINT64 (*ReturnValue), Reg->BitWidth,
- ACPI_FORMAT_UINT64 (Address),
- AcpiUtGetRegionName (Reg->SpaceId)));
-
- return (AE_OK);
+ Status = AcpiHwRead (ReturnValue, Reg);
+ return (Status);
}
ACPI_EXPORT_SYMBOL (AcpiRead)
@@ -348,67 +278,13 @@ AcpiWrite (
UINT64 Value,
ACPI_GENERIC_ADDRESS *Reg)
{
- UINT32 Width;
- UINT64 Address;
ACPI_STATUS Status;
ACPI_FUNCTION_NAME (AcpiWrite);
- /* Validate contents of the GAS register. Allow 64-bit transfers */
-
- Status = AcpiHwValidateRegister (Reg, 64, &Address);
- if (ACPI_FAILURE (Status))
- {
- return (Status);
- }
-
- /*
- * Two address spaces supported: Memory or IO. PCI_Config is
- * not supported here because the GAS structure is insufficient
- */
- if (Reg->SpaceId == ACPI_ADR_SPACE_SYSTEM_MEMORY)
- {
- Status = AcpiOsWriteMemory ((ACPI_PHYSICAL_ADDRESS)
- Address, Value, Reg->BitWidth);
- if (ACPI_FAILURE (Status))
- {
- return (Status);
- }
- }
- else /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */
- {
- Width = Reg->BitWidth;
- if (Width == 64)
- {
- Width = 32; /* Break into two 32-bit transfers */
- }
-
- Status = AcpiHwWritePort ((ACPI_IO_ADDRESS)
- Address, ACPI_LODWORD (Value), Width);
- if (ACPI_FAILURE (Status))
- {
- return (Status);
- }
-
- if (Reg->BitWidth == 64)
- {
- Status = AcpiHwWritePort ((ACPI_IO_ADDRESS)
- (Address + 4), ACPI_HIDWORD (Value), 32);
- if (ACPI_FAILURE (Status))
- {
- return (Status);
- }
- }
- }
-
- ACPI_DEBUG_PRINT ((ACPI_DB_IO,
- "Wrote: %8.8X%8.8X width %2d to %8.8X%8.8X (%s)\n",
- ACPI_FORMAT_UINT64 (Value), Reg->BitWidth,
- ACPI_FORMAT_UINT64 (Address),
- AcpiUtGetRegionName (Reg->SpaceId)));
-
+ Status = AcpiHwWrite (Value, Reg);
return (Status);
}