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-rw-r--r--arch/mips/include/asm/vr41xx/vr41xx.h148
1 files changed, 148 insertions, 0 deletions
diff --git a/arch/mips/include/asm/vr41xx/vr41xx.h b/arch/mips/include/asm/vr41xx/vr41xx.h
new file mode 100644
index 000000000..9a4b36b75
--- /dev/null
+++ b/arch/mips/include/asm/vr41xx/vr41xx.h
@@ -0,0 +1,148 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * include/asm-mips/vr41xx/vr41xx.h
+ *
+ * Include file for NEC VR4100 series.
+ *
+ * Copyright (C) 1999 Michael Klar
+ * Copyright (C) 2001, 2002 Paul Mundt
+ * Copyright (C) 2002 MontaVista Software, Inc.
+ * Copyright (C) 2002 TimeSys Corp.
+ * Copyright (C) 2003-2008 Yoichi Yuasa <yuasa@linux-mips.org>
+ */
+#ifndef __NEC_VR41XX_H
+#define __NEC_VR41XX_H
+
+#include <linux/interrupt.h>
+
+/*
+ * CPU Revision
+ */
+/* VR4122 0x00000c70-0x00000c72 */
+#define PRID_VR4122_REV1_0 0x00000c70
+#define PRID_VR4122_REV2_0 0x00000c70
+#define PRID_VR4122_REV2_1 0x00000c70
+#define PRID_VR4122_REV3_0 0x00000c71
+#define PRID_VR4122_REV3_1 0x00000c72
+
+/* VR4181A 0x00000c73-0x00000c7f */
+#define PRID_VR4181A_REV1_0 0x00000c73
+#define PRID_VR4181A_REV1_1 0x00000c74
+
+/* VR4131 0x00000c80-0x00000c83 */
+#define PRID_VR4131_REV1_2 0x00000c80
+#define PRID_VR4131_REV2_0 0x00000c81
+#define PRID_VR4131_REV2_1 0x00000c82
+#define PRID_VR4131_REV2_2 0x00000c83
+
+/* VR4133 0x00000c84- */
+#define PRID_VR4133 0x00000c84
+
+/*
+ * Bus Control Uint
+ */
+extern unsigned long vr41xx_calculate_clock_frequency(void);
+extern unsigned long vr41xx_get_vtclock_frequency(void);
+extern unsigned long vr41xx_get_tclock_frequency(void);
+
+/*
+ * Clock Mask Unit
+ */
+typedef enum {
+ PIU_CLOCK,
+ SIU_CLOCK,
+ AIU_CLOCK,
+ KIU_CLOCK,
+ FIR_CLOCK,
+ DSIU_CLOCK,
+ CSI_CLOCK,
+ PCIU_CLOCK,
+ HSP_CLOCK,
+ PCI_CLOCK,
+ CEU_CLOCK,
+ ETHER0_CLOCK,
+ ETHER1_CLOCK
+} vr41xx_clock_t;
+
+extern void vr41xx_supply_clock(vr41xx_clock_t clock);
+extern void vr41xx_mask_clock(vr41xx_clock_t clock);
+
+/*
+ * Interrupt Control Unit
+ */
+extern int vr41xx_set_intassign(unsigned int irq, unsigned char intassign);
+extern int cascade_irq(unsigned int irq, int (*get_irq)(unsigned int));
+
+#define PIUINT_COMMAND 0x0040
+#define PIUINT_DATA 0x0020
+#define PIUINT_PAGE1 0x0010
+#define PIUINT_PAGE0 0x0008
+#define PIUINT_DATALOST 0x0004
+#define PIUINT_STATUSCHANGE 0x0001
+
+extern void vr41xx_enable_piuint(uint16_t mask);
+extern void vr41xx_disable_piuint(uint16_t mask);
+
+#define AIUINT_INPUT_DMAEND 0x0800
+#define AIUINT_INPUT_DMAHALT 0x0400
+#define AIUINT_INPUT_DATALOST 0x0200
+#define AIUINT_INPUT_DATA 0x0100
+#define AIUINT_OUTPUT_DMAEND 0x0008
+#define AIUINT_OUTPUT_DMAHALT 0x0004
+#define AIUINT_OUTPUT_NODATA 0x0002
+
+extern void vr41xx_enable_aiuint(uint16_t mask);
+extern void vr41xx_disable_aiuint(uint16_t mask);
+
+#define KIUINT_DATALOST 0x0004
+#define KIUINT_DATAREADY 0x0002
+#define KIUINT_SCAN 0x0001
+
+extern void vr41xx_enable_kiuint(uint16_t mask);
+extern void vr41xx_disable_kiuint(uint16_t mask);
+
+#define DSIUINT_CTS 0x0800
+#define DSIUINT_RXERR 0x0400
+#define DSIUINT_RX 0x0200
+#define DSIUINT_TX 0x0100
+#define DSIUINT_ALL 0x0f00
+
+extern void vr41xx_enable_dsiuint(uint16_t mask);
+extern void vr41xx_disable_dsiuint(uint16_t mask);
+
+#define FIRINT_UNIT 0x0010
+#define FIRINT_RX_DMAEND 0x0008
+#define FIRINT_RX_DMAHALT 0x0004
+#define FIRINT_TX_DMAEND 0x0002
+#define FIRINT_TX_DMAHALT 0x0001
+
+extern void vr41xx_enable_firint(uint16_t mask);
+extern void vr41xx_disable_firint(uint16_t mask);
+
+extern void vr41xx_enable_pciint(void);
+extern void vr41xx_disable_pciint(void);
+
+extern void vr41xx_enable_scuint(void);
+extern void vr41xx_disable_scuint(void);
+
+#define CSIINT_TX_DMAEND 0x0040
+#define CSIINT_TX_DMAHALT 0x0020
+#define CSIINT_TX_DATA 0x0010
+#define CSIINT_TX_FIFOEMPTY 0x0008
+#define CSIINT_RX_DMAEND 0x0004
+#define CSIINT_RX_DMAHALT 0x0002
+#define CSIINT_RX_FIFOEMPTY 0x0001
+
+extern void vr41xx_enable_csiint(uint16_t mask);
+extern void vr41xx_disable_csiint(uint16_t mask);
+
+extern void vr41xx_enable_bcuint(void);
+extern void vr41xx_disable_bcuint(void);
+
+#ifdef CONFIG_SERIAL_VR41XX_CONSOLE
+extern void vr41xx_siu_setup(void);
+#else
+static inline void vr41xx_siu_setup(void) {}
+#endif
+
+#endif /* __NEC_VR41XX_H */