diff options
Diffstat (limited to 'arch/mips/include/asm/vr41xx/vr41xx.h')
| -rw-r--r-- | arch/mips/include/asm/vr41xx/vr41xx.h | 148 |
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 */ |