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-rw-r--r--arch/mips/include/asm/mips-boards/piix4.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mips-boards/piix4.h b/arch/mips/include/asm/mips-boards/piix4.h
new file mode 100644
index 000000000..e174bc7c8
--- /dev/null
+++ b/arch/mips/include/asm/mips-boards/piix4.h
@@ -0,0 +1,58 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Carsten Langgaard, carstenl@mips.com
+ * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
+ * Copyright (C) 2013 Imagination Technologies Ltd.
+ *
+ * Register definitions for Intel PIIX4 South Bridge Device.
+ */
+#ifndef __ASM_MIPS_BOARDS_PIIX4_H
+#define __ASM_MIPS_BOARDS_PIIX4_H
+
+/* PIRQX Route Control */
+#define PIIX4_FUNC0_PIRQRC 0x60
+#define PIIX4_FUNC0_PIRQRC_IRQ_ROUTING_DISABLE (1 << 7)
+#define PIIX4_FUNC0_PIRQRC_IRQ_ROUTING_MASK 0xf
+#define PIIX4_FUNC0_PIRQRC_IRQ_ROUTING_MAX 16
+/* SERIRQ Control */
+#define PIIX4_FUNC0_SERIRQC 0x64
+#define PIIX4_FUNC0_SERIRQC_EN (1 << 7)
+#define PIIX4_FUNC0_SERIRQC_CONT (1 << 6)
+/* Top Of Memory */
+#define PIIX4_FUNC0_TOM 0x69
+#define PIIX4_FUNC0_TOM_TOP_OF_MEMORY_MASK 0xf0
+/* Deterministic Latency Control */
+#define PIIX4_FUNC0_DLC 0x82
+#define PIIX4_FUNC0_DLC_USBPR_EN (1 << 2)
+#define PIIX4_FUNC0_DLC_PASSIVE_RELEASE_EN (1 << 1)
+#define PIIX4_FUNC0_DLC_DELAYED_TRANSACTION_EN (1 << 0)
+/* General Configuration */
+#define PIIX4_FUNC0_GENCFG 0xb0
+#define PIIX4_FUNC0_GENCFG_SERIRQ (1 << 16)
+
+/* IDE Timing */
+#define PIIX4_FUNC1_IDETIM_PRIMARY_LO 0x40
+#define PIIX4_FUNC1_IDETIM_PRIMARY_HI 0x41
+#define PIIX4_FUNC1_IDETIM_PRIMARY_HI_IDE_DECODE_EN (1 << 7)
+#define PIIX4_FUNC1_IDETIM_SECONDARY_LO 0x42
+#define PIIX4_FUNC1_IDETIM_SECONDARY_HI 0x43
+#define PIIX4_FUNC1_IDETIM_SECONDARY_HI_IDE_DECODE_EN (1 << 7)
+
+/* Power Management Configuration Space */
+#define PIIX4_FUNC3_PMBA 0x40
+#define PIIX4_FUNC3_PMREGMISC 0x80
+#define PIIX4_FUNC3_PMREGMISC_EN (1 << 0)
+
+/* Power Management IO Space */
+#define PIIX4_FUNC3IO_PMSTS 0x00
+#define PIIX4_FUNC3IO_PMSTS_PWRBTN_STS (1 << 8)
+#define PIIX4_FUNC3IO_PMCNTRL 0x04
+#define PIIX4_FUNC3IO_PMCNTRL_SUS_EN (1 << 13)
+#define PIIX4_FUNC3IO_PMCNTRL_SUS_TYP (0x7 << 10)
+#define PIIX4_FUNC3IO_PMCNTRL_SUS_TYP_SOFF (0x0 << 10)
+#define PIIX4_FUNC3IO_PMCNTRL_SUS_TYP_STR (0x1 << 10)
+
+/* Data for magic special PCI cycle */
+#define PIIX4_SUSPEND_MAGIC 0x00120002
+
+#endif /* __ASM_MIPS_BOARDS_PIIX4_H */