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Diffstat (limited to 'arch/x86/cpu/intel_common/pch.c')
-rw-r--r--arch/x86/cpu/intel_common/pch.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/x86/cpu/intel_common/pch.c b/arch/x86/cpu/intel_common/pch.c
new file mode 100644
index 0000000000..1f05b44586
--- /dev/null
+++ b/arch/x86/cpu/intel_common/pch.c
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2016 Google, Inc
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <asm/pch_common.h>
+
+u32 pch_common_sir_read(struct udevice *dev, int idx)
+{
+ u32 data;
+
+ dm_pci_write_config32(dev, SATA_SIRI, idx);
+ dm_pci_read_config32(dev, SATA_SIRD, &data);
+
+ return data;
+}
+
+void pch_common_sir_write(struct udevice *dev, int idx, u32 value)
+{
+ dm_pci_write_config32(dev, SATA_SIRI, idx);
+ dm_pci_write_config32(dev, SATA_SIRD, value);
+}
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