xref: /kernel/linux/linux-6.6/arch/mips/include/asm/msc01_ic.h

/*
 * PCI Register definitions for the MIPS System Controller.
 *
 * Copyright (C) 2004 MIPS Technologies, Inc.  All rights reserved.
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 */

#ifndef __ASM_MIPS_BOARDS_MSC01_IC_H
#define __ASM_MIPS_BOARDS_MSC01_IC_H

/*****************************************************************************
 * Register offset addresses
 *****************************************************************************/

#define MSC01_IC_RST_OFS     0x00008	/* Software reset	       */
#define MSC01_IC_ENAL_OFS    0x00100	/* Int_in enable mask 31:0     */
#define MSC01_IC_ENAH_OFS    0x00108	/* Int_in enable mask 63:32    */
#define MSC01_IC_DISL_OFS    0x00120	/* Int_in disable mask 31:0    */
#define MSC01_IC_DISH_OFS    0x00128	/* Int_in disable mask 63:32   */
#define MSC01_IC_ISBL_OFS    0x00140	/* Raw int_in 31:0	       */
#define MSC01_IC_ISBH_OFS    0x00148	/* Raw int_in 63:32	       */
#define MSC01_IC_ISAL_OFS    0x00160	/* Masked int_in 31:0	       */
#define MSC01_IC_ISAH_OFS    0x00168	/* Masked int_in 63:32	       */
#define MSC01_IC_LVL_OFS     0x00180	/* Disable priority int_out    */
#define MSC01_IC_RAMW_OFS    0x00180	/* Shadow set RAM (EI)	       */
#define MSC01_IC_OSB_OFS     0x00188	/* Raw int_out		       */
#define MSC01_IC_OSA_OFS     0x00190	/* Masked int_out	       */
#define MSC01_IC_GENA_OFS    0x00198	/* Global HW int enable	       */
#define MSC01_IC_BASE_OFS    0x001a0	/* Base address of IC_VEC      */
#define MSC01_IC_VEC_OFS     0x001b0	/* Active int's vector address */
#define MSC01_IC_EOI_OFS     0x001c0	/* Enable lower level ints     */
#define MSC01_IC_CFG_OFS     0x001c8	/* Configuration register      */
#define MSC01_IC_TRLD_OFS    0x001d0	/* Interval timer reload val   */
#define MSC01_IC_TVAL_OFS    0x001e0	/* Interval timer current val  */
#define MSC01_IC_TCFG_OFS    0x001f0	/* Interval timer config       */
#define MSC01_IC_SUP_OFS     0x00200	/* Set up int_in line 0	       */
#define MSC01_IC_ENA_OFS     0x00800	/* Int_in enable mask 63:0     */
#define MSC01_IC_DIS_OFS     0x00820	/* Int_in disable mask 63:0    */
#define MSC01_IC_ISB_OFS     0x00840	/* Raw int_in 63:0	       */
#define MSC01_IC_ISA_OFS     0x00860	/* Masked int_in 63:0	       */

/*****************************************************************************
 * Register field encodings
 *****************************************************************************/

#define MSC01_IC_RST_RST_SHF	  0
#define MSC01_IC_RST_RST_MSK	  0x00000001
#define MSC01_IC_RST_RST_BIT	  MSC01_IC_RST_RST_MSK
#define MSC01_IC_LVL_LVL_SHF	  0
#define MSC01_IC_LVL_LVL_MSK	  0x000000ff
#define MSC01_IC_LVL_SPUR_SHF	  16
#define MSC01_IC_LVL_SPUR_MSK	  0x00010000
#define MSC01_IC_LVL_SPUR_BIT	  MSC01_IC_LVL_SPUR_MSK
#define MSC01_IC_RAMW_RIPL_SHF	  0
#define MSC01_IC_RAMW_RIPL_MSK	  0x0000003f
#define MSC01_IC_RAMW_DATA_SHF	  6
#define MSC01_IC_RAMW_DATA_MSK	  0x00000fc0
#define MSC01_IC_RAMW_ADDR_SHF	  25
#define MSC01_IC_RAMW_ADDR_MSK	  0x7e000000
#define MSC01_IC_RAMW_READ_SHF	  31
#define MSC01_IC_RAMW_READ_MSK	  0x80000000
#define MSC01_IC_RAMW_READ_BIT	  MSC01_IC_RAMW_READ_MSK
#define MSC01_IC_OSB_OSB_SHF	  0
#define MSC01_IC_OSB_OSB_MSK	  0x000000ff
#define MSC01_IC_OSA_OSA_SHF	  0
#define MSC01_IC_OSA_OSA_MSK	  0x000000ff
#define MSC01_IC_GENA_GENA_SHF	  0
#define MSC01_IC_GENA_GENA_MSK	  0x00000001
#define MSC01_IC_GENA_GENA_BIT	  MSC01_IC_GENA_GENA_MSK
#define MSC01_IC_CFG_DIS_SHF	  0
#define MSC01_IC_CFG_DIS_MSK	  0x00000001
#define MSC01_IC_CFG_DIS_BIT	  MSC01_IC_CFG_DIS_MSK
#define MSC01_IC_CFG_SHFT_SHF	  8
#define MSC01_IC_CFG_SHFT_MSK	  0x00000f00
#define MSC01_IC_TCFG_ENA_SHF	  0
#define MSC01_IC_TCFG_ENA_MSK	  0x00000001
#define MSC01_IC_TCFG_ENA_BIT	  MSC01_IC_TCFG_ENA_MSK
#define MSC01_IC_TCFG_INT_SHF	  8
#define MSC01_IC_TCFG_INT_MSK	  0x00000100
#define MSC01_IC_TCFG_INT_BIT	  MSC01_IC_TCFG_INT_MSK
#define MSC01_IC_TCFG_EDGE_SHF	  16
#define MSC01_IC_TCFG_EDGE_MSK	  0x00010000
#define MSC01_IC_TCFG_EDGE_BIT	  MSC01_IC_TCFG_EDGE_MSK
#define MSC01_IC_SUP_PRI_SHF	  0
#define MSC01_IC_SUP_PRI_MSK	  0x00000007
#define MSC01_IC_SUP_EDGE_SHF	  8
#define MSC01_IC_SUP_EDGE_MSK	  0x00000100
#define MSC01_IC_SUP_EDGE_BIT	  MSC01_IC_SUP_EDGE_MSK
#define MSC01_IC_SUP_STEP	  8

/*
 * MIPS System controller interrupt register base.
 *
 */

/*****************************************************************************
 * Absolute register addresses
 *****************************************************************************/

#define MSC01_IC_RST	 (MSC01_IC_REG_BASE + MSC01_IC_RST_OFS)
#define MSC01_IC_ENAL	 (MSC01_IC_REG_BASE + MSC01_IC_ENAL_OFS)
#define MSC01_IC_ENAH	 (MSC01_IC_REG_BASE + MSC01_IC_ENAH_OFS)
#define MSC01_IC_DISL	 (MSC01_IC_REG_BASE + MSC01_IC_DISL_OFS)
#define MSC01_IC_DISH	 (MSC01_IC_REG_BASE + MSC01_IC_DISH_OFS)
#define MSC01_IC_ISBL	 (MSC01_IC_REG_BASE + MSC01_IC_ISBL_OFS)
#define MSC01_IC_ISBH	 (MSC01_IC_REG_BASE + MSC01_IC_ISBH_OFS)
#define MSC01_IC_ISAL	 (MSC01_IC_REG_BASE + MSC01_IC_ISAL_OFS)
#define MSC01_IC_ISAH	 (MSC01_IC_REG_BASE + MSC01_IC_ISAH_OFS)
#define MSC01_IC_LVL	 (MSC01_IC_REG_BASE + MSC01_IC_LVL_OFS)
#define MSC01_IC_RAMW	 (MSC01_IC_REG_BASE + MSC01_IC_RAMW_OFS)
#define MSC01_IC_OSB	 (MSC01_IC_REG_BASE + MSC01_IC_OSB_OFS)
#define MSC01_IC_OSA	 (MSC01_IC_REG_BASE + MSC01_IC_OSA_OFS)
#define MSC01_IC_GENA	 (MSC01_IC_REG_BASE + MSC01_IC_GENA_OFS)
#define MSC01_IC_BASE	 (MSC01_IC_REG_BASE + MSC01_IC_BASE_OFS)
#define MSC01_IC_VEC	 (MSC01_IC_REG_BASE + MSC01_IC_VEC_OFS)
#define MSC01_IC_EOI	 (MSC01_IC_REG_BASE + MSC01_IC_EOI_OFS)
#define MSC01_IC_CFG	 (MSC01_IC_REG_BASE + MSC01_IC_CFG_OFS)
#define MSC01_IC_TRLD	 (MSC01_IC_REG_BASE + MSC01_IC_TRLD_OFS)
#define MSC01_IC_TVAL	 (MSC01_IC_REG_BASE + MSC01_IC_TVAL_OFS)
#define MSC01_IC_TCFG	 (MSC01_IC_REG_BASE + MSC01_IC_TCFG_OFS)
#define MSC01_IC_SUP	 (MSC01_IC_REG_BASE + MSC01_IC_SUP_OFS)
#define MSC01_IC_ENA	 (MSC01_IC_REG_BASE + MSC01_IC_ENA_OFS)
#define MSC01_IC_DIS	 (MSC01_IC_REG_BASE + MSC01_IC_DIS_OFS)
#define MSC01_IC_ISB	 (MSC01_IC_REG_BASE + MSC01_IC_ISB_OFS)
#define MSC01_IC_ISA	 (MSC01_IC_REG_BASE + MSC01_IC_ISA_OFS)

/*
 * Soc-it interrupts are configurable.
 * Every board describes its IRQ mapping with this table.
 */
typedef struct msc_irqmap {
	int	im_irq;
	int	im_type;
	int	im_lvl;
} msc_irqmap_t;

/* im_type */
#define MSC01_IRQ_LEVEL		0
#define MSC01_IRQ_EDGE		1

extern void __init init_msc_irqs(unsigned long icubase, unsigned int base, msc_irqmap_t *imp, int nirq);
extern void ll_msc_irq(void);

#endif /* __ASM_MIPS_BOARDS_MSC01_IC_H */