xref: /linux/arch/mips/include/asm/mips-boards/malta.h (revision cbecf716ca618fd44feda6bd9a64a8179d031fc5)

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Carsten Langgaard, carstenl@mips.com
 * Copyright (C) 2000 MIPS Technologies, Inc.  All rights reserved.
 *
 * Defines of the Malta board specific address-MAP, registers, etc.
 */
#ifndef __ASM_MIPS_BOARDS_MALTA_H
#define __ASM_MIPS_BOARDS_MALTA_H

#include <asm/addrspace.h>
#include <asm/io.h>
#include <asm/mips-boards/msc01_pci.h>
#include <asm/gt64120.h>

/* Mips interrupt controller found in SOCit variations */
#define MIPS_MSC01_IC_REG_BASE		0x1bc40000
#define MIPS_SOCITSC_IC_REG_BASE	0x1ffa0000

/*
 * Malta I/O ports base address for the Galileo GT64120 and Algorithmics
 * Bonito system controllers.
 */
#define MALTA_GT_PORT_BASE	get_gt_port_base(GT_PCI0IOLD_OFS)
#define MALTA_BONITO_PORT_BASE	((unsigned long)ioremap (0x1fd00000, 0x10000))
#define MALTA_MSC_PORT_BASE	get_msc_port_base(MSC01_PCI_SC2PIOBASL)

static inline unsigned long get_gt_port_base(unsigned long reg)
{
	unsigned long addr;
	addr = GT_READ(reg);
	return (unsigned long) ioremap (((addr & 0xffff) << 21), 0x10000);
}

static inline unsigned long get_msc_port_base(unsigned long reg)
{
	unsigned long addr;
	MSC_READ(reg, addr);
	return (unsigned long) ioremap(addr, 0x10000);
}

/*
 * GCMP Specific definitions
 */
#define GCMP_BASE_ADDR			0x1fbf8000
#define GCMP_ADDRSPACE_SZ		(256 * 1024)

/*
 * GIC Specific definitions
 */
#define GIC_BASE_ADDR			0x1bdc0000
#define GIC_ADDRSPACE_SZ		(128 * 1024)

/*
 * CPC Specific definitions
 */
#define CPC_BASE_ADDR			0x1bde0000

/*
 * MSC01 BIU Specific definitions
 * FIXME : These should be elsewhere ?
 */
#define MSC01_BIU_REG_BASE		0x1bc80000
#define MSC01_BIU_ADDRSPACE_SZ		(256 * 1024)
#define MSC01_SC_CFG_OFS		0x0110
#define MSC01_SC_CFG_GICPRES_MSK	0x00000004
#define MSC01_SC_CFG_GICPRES_SHF	2
#define MSC01_SC_CFG_GICENA_SHF		3

/*
 * Malta RTC-device indirect register access.
 */
#define MALTA_RTC_ADR_REG	0x70
#define MALTA_RTC_DAT_REG	0x71

/*
 * Malta SMSC FDC37M817 Super I/O Controller register.
 */
#define SMSC_CONFIG_REG		0x3f0
#define SMSC_DATA_REG		0x3f1

#define SMSC_CONFIG_DEVNUM	0x7
#define SMSC_CONFIG_ACTIVATE	0x30
#define SMSC_CONFIG_ENTER	0x55
#define SMSC_CONFIG_EXIT	0xaa

#define SMSC_CONFIG_DEVNUM_FLOPPY     0

#define SMSC_CONFIG_ACTIVATE_ENABLE   1

#define SMSC_WRITE(x, a)     outb(x, a)

#define MALTA_JMPRS_REG		0x1f000210

extern void __init *malta_dt_shim(void *fdt);

#endif /* __ASM_MIPS_BOARDS_MALTA_H */