1 files changed, 198 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/rsmemory.c b/drivers/acpi/acpica/rsmemory.c
new file mode 100644
index 0000000000..44fa16dde9
--- /dev/null
+++ b/drivers/acpi/acpica/rsmemory.c
@@ -0,0 +1,198 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
+/*******************************************************************************
+ *
+ * Module Name: rsmem24 - Memory resource descriptors
+ *
+ ******************************************************************************/
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+#include "acresrc.h"
+
+#define _COMPONENT          ACPI_RESOURCES
+ACPI_MODULE_NAME("rsmemory")
+
+/*******************************************************************************
+ *
+ * acpi_rs_convert_memory24
+ *
+ ******************************************************************************/
+struct acpi_rsconvert_info acpi_rs_convert_memory24[4] = {
+	{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_MEMORY24,
+	 ACPI_RS_SIZE(struct acpi_resource_memory24),
+	 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_memory24)},
+
+	{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_MEMORY24,
+	 sizeof(struct aml_resource_memory24),
+	 0},
+
+	/* Read/Write bit */
+
+	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.memory24.write_protect),
+	 AML_OFFSET(memory24.flags),
+	 0},
+	/*
+	 * These fields are contiguous in both the source and destination:
+	 * Minimum Base Address
+	 * Maximum Base Address
+	 * Address Base Alignment
+	 * Range Length
+	 */
+	{ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.memory24.minimum),
+	 AML_OFFSET(memory24.minimum),
+	 4}
+};
+
+/*******************************************************************************
+ *
+ * acpi_rs_convert_memory32
+ *
+ ******************************************************************************/
+
+struct acpi_rsconvert_info acpi_rs_convert_memory32[4] = {
+	{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_MEMORY32,
+	 ACPI_RS_SIZE(struct acpi_resource_memory32),
+	 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_memory32)},
+
+	{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_MEMORY32,
+	 sizeof(struct aml_resource_memory32),
+	 0},
+
+	/* Read/Write bit */
+
+	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.memory32.write_protect),
+	 AML_OFFSET(memory32.flags),
+	 0},
+	/*
+	 * These fields are contiguous in both the source and destination:
+	 * Minimum Base Address
+	 * Maximum Base Address
+	 * Address Base Alignment
+	 * Range Length
+	 */
+	{ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.memory32.minimum),
+	 AML_OFFSET(memory32.minimum),
+	 4}
+};
+
+/*******************************************************************************
+ *
+ * acpi_rs_convert_fixed_memory32
+ *
+ ******************************************************************************/
+
+struct acpi_rsconvert_info acpi_rs_convert_fixed_memory32[4] = {
+	{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_MEMORY32,
+	 ACPI_RS_SIZE(struct acpi_resource_fixed_memory32),
+	 ACPI_RSC_TABLE_SIZE(acpi_rs_convert_fixed_memory32)},
+
+	{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_MEMORY32,
+	 sizeof(struct aml_resource_fixed_memory32),
+	 0},
+
+	/* Read/Write bit */
+
+	{ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.fixed_memory32.write_protect),
+	 AML_OFFSET(fixed_memory32.flags),
+	 0},
+	/*
+	 * These fields are contiguous in both the source and destination:
+	 * Base Address
+	 * Range Length
+	 */
+	{ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.fixed_memory32.address),
+	 AML_OFFSET(fixed_memory32.address),
+	 2}
+};
+
+/*******************************************************************************
+ *
+ * acpi_rs_get_vendor_small
+ *
+ ******************************************************************************/
+
+struct acpi_rsconvert_info acpi_rs_get_vendor_small[3] = {
+	{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_VENDOR,
+	 ACPI_RS_SIZE(struct acpi_resource_vendor),
+	 ACPI_RSC_TABLE_SIZE(acpi_rs_get_vendor_small)},
+
+	/* Length of the vendor data (byte count) */
+
+	{ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length),
+	 0,
+	 sizeof(u8)},
+
+	/* Vendor data */
+
+	{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.vendor.byte_data[0]),
+	 sizeof(struct aml_resource_small_header),
+	 0}
+};
+
+/*******************************************************************************
+ *
+ * acpi_rs_get_vendor_large
+ *
+ ******************************************************************************/
+
+struct acpi_rsconvert_info acpi_rs_get_vendor_large[3] = {
+	{ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_VENDOR,
+	 ACPI_RS_SIZE(struct acpi_resource_vendor),
+	 ACPI_RSC_TABLE_SIZE(acpi_rs_get_vendor_large)},
+
+	/* Length of the vendor data (byte count) */
+
+	{ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length),
+	 0,
+	 sizeof(u8)},
+
+	/* Vendor data */
+
+	{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.vendor.byte_data[0]),
+	 sizeof(struct aml_resource_large_header),
+	 0}
+};
+
+/*******************************************************************************
+ *
+ * acpi_rs_set_vendor
+ *
+ ******************************************************************************/
+
+struct acpi_rsconvert_info acpi_rs_set_vendor[7] = {
+	/* Default is a small vendor descriptor */
+
+	{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_VENDOR_SMALL,
+	 sizeof(struct aml_resource_small_header),
+	 ACPI_RSC_TABLE_SIZE(acpi_rs_set_vendor)},
+
+	/* Get the length and copy the data */
+
+	{ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length),
+	 0,
+	 0},
+
+	{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.vendor.byte_data[0]),
+	 sizeof(struct aml_resource_small_header),
+	 0},
+
+	/*
+	 * All done if the Vendor byte length is 7 or less, meaning that it will
+	 * fit within a small descriptor
+	 */
+	{ACPI_RSC_EXIT_LE, 0, 0, 7},
+
+	/* Must create a large vendor descriptor */
+
+	{ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_VENDOR_LARGE,
+	 sizeof(struct aml_resource_large_header),
+	 0},
+
+	{ACPI_RSC_COUNT16, ACPI_RS_OFFSET(data.vendor.byte_length),
+	 0,
+	 0},
+
+	{ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.vendor.byte_data[0]),
+	 sizeof(struct aml_resource_large_header),
+	 0}
+};