arch/sh/drivers/pci/pci-sh7780.h

/*
 *	Low-Level PCI Support for SH7780 targets
 *
 *  Dustin McIntire (dustin@sensoria.com) (c) 2001
 *  Paul Mundt (lethal@linux-sh.org) (c) 2003
 *
 *  May be copied or modified under the terms of the GNU General Public
 *  License.  See linux/COPYING for more information.
 *
 */

#ifndef _PCI_SH7780_H_
#define _PCI_SH7780_H_

#include <linux/pci.h>

/* set debug level 4=verbose...1=terse */
//#define DEBUG_PCI 3
#undef DEBUG_PCI

#ifdef DEBUG_PCI
#define PCIDBG(n, x...) { if(DEBUG_PCI>=n) printk(x); }
#else
#define PCIDBG(n, x...)
#endif

/* startup values */
#define PCI_PROBE_BIOS		1
#define PCI_PROBE_CONF1		2
#define PCI_PROBE_CONF2		4
#define PCI_NO_SORT		0x100
#define PCI_BIOS_SORT		0x200
#define PCI_NO_CHECKS		0x400
#define PCI_ASSIGN_ROMS		0x1000
#define PCI_BIOS_IRQ_SCAN	0x2000

/* Platform Specific Values */
#define SH7780_VENDOR_ID	0x1912
#define SH7780_DEVICE_ID	0x0002
#define SH7781_DEVICE_ID	0x0001

/* SH7780 Control Registers */
#define	SH7780_PCI_VCR0		0xFE000000
#define	SH7780_PCI_VCR1		0xFE000004
#define	SH7780_PCI_VCR2		0xFE000008

/* SH7780 Specific Values */
#define SH7780_PCI_CONFIG_BASE	0xFD000000	/* Config space base addr */
#define SH7780_PCI_CONFIG_SIZE	0x01000000	/* Config space size */
#define SH7780_PCI_MEMORY_BASE	0xFD000000	/* Memory space base addr */
#define SH7780_PCI_MEM_SIZE	0x01000000	/* Size of Memory window */
#if 1
#define SH7780_PCI_IO_BASE	0xFE400000	/* IO space base address */
#define SH7780_PCI_IO_SIZE	0x00400000	/* Size of IO window */
#else
#define SH7780_PCI_IO_BASE	0xFE200000	/* IO space base address */
#define SH7780_PCI_IO_SIZE	0x00200000	/* Size of IO window */
#endif

#define SH7780_PCIREG_BASE	0xFE040000	/* PCI regs base address */
#define PCI_REG(n)		(SH7780_PCIREG_BASE+n)

/* SH7780 PCI Config Registers */
#define SH7780_PCIVID		0x000		/* Vendor ID */
#define SH7780_PCIDID		0x002		/* Device ID */
#define SH7780_PCICMD		0x004		/* Command */
#define SH7780_PCISTATUS	0x006		/* Status */
#define SH7780_PCIRID		0x008		/* Revision ID */
#define SH7780_PCIPIF		0x009		/* Program Interface */
#define SH7780_PCISUB		0x00a		/* Sub class code */
#define SH7780_PCIBCC		0x00b		/* Base class code */
#define SH7780_PCICLS		0x00c		/* Cache line size */
#define SH7780_PCILTM		0x00d		/* latency timer */
#define SH7780_PCIHDR		0x00e		/* Header type */
#define SH7780_PCIBIST		0x00f		/* BIST */
#define SH7780_PCIIBAR		0x010		/* IO Base address */
#define SH7780_PCIMBAR0		0x014		/* Memory base address0 */
#define SH7780_PCIMBAR1		0x018		/* Memory base address1 */
#define SH7780_PCISVID		0x02c		/* Sub system vendor ID */
#define SH7780_PCISID		0x02e		/* Sub system ID */
#define SH7780_PCICP		0x034
#define SH7780_PCIINTLINE	0x03c		/* Interrupt line */
#define SH7780_PCIINTPIN	0x03d		/* Interrupt pin */
#define SH7780_PCIMINGNT	0x03e		/* Minumum grand */
#define SH7780_PCIMAXLAT	0x03f		/* Maxmum latency */
#define SH7780_PCICID		0x040
#define SH7780_PCINIP		0x041
#define SH7780_PCIPMC		0x042
#define SH7780_PCIPMCSR		0x044
#define SH7780_PCIPMCSR_BSE	0x046
#define SH7780_PCICDD		0x047

/* SH7780 PCI Local Registers */
#define SH7780_PCICR		0x100		/* PCI Control Register */
  #define SH7780_PCICR_PREFIX	0xA5000000	/* CR prefix for write */
  #define SH7780_PCICR_PFCS	0x00000800	/* TRDY/IRDY Enable */
  #define SH7780_PCICR_FTO	0x00000400	/* TRDY/IRDY Enable */
  #define SH7780_PCICR_PFE	0x00000200	/* Target Read Single */
  #define SH7780_PCICR_TBS	0x00000100	/* Target Byte Swap */
  #define SH7780_PCICR_ARBM	0x00000040	/* PCI Arbitration Mode */
  #define SH7780_PCICR_IOCS	0x00000004	/* INTA output assert */
  #define SH7780_PCICR_PRST	0x00000002	/* PCI Reset Assert */
  #define SH7780_PCICR_CFIN	0x00000001	/* Central Fun. Init Done */
#define SH7780_PCILSR0		0x104		/* PCI Local Space Register0 */
#define SH7780_PCILSR1		0x108		/* PCI Local Space Register1 */
#define SH7780_PCILAR0		0x10C	/* PCI Local Address Register1 */
#define SH7780_PCILAR1		0x110	/* PCI Local Address Register1 */
#define SH7780_PCIIR		0x114		/* PCI Interrupt Register */
#define SH7780_PCIIMR		0x118	/* PCI Interrupt Mask Register */
#define SH7780_PCIAIR		0x11C		/* Error Address Register */
#define SH7780_PCICIR		0x120	/* Error Command/Data Register */
#define SH7780_PCIAINT		0x130		/* Arbiter Interrupt Register */
#define SH7780_PCIAINTM		0x134		/* Arbiter Int. Mask Register */
#define SH7780_PCIBMIR		0x138		/* Error Bus Master Register */
#define SH7780_PCIPAR		0x1C0		/* PIO Address Register */
#define SH7780_PCIPINT		0x1CC	/* Power Management Int. Register */
#define SH7780_PCIPINTM		0x1D0	/* Power Management Mask Register */
#define SH7780_PCIMBR0		0x1E0		/* Memory Bank0 Register */
#define SH7780_PCIMBMR0		0x1E4		/* Memory Bank0 Mask Register */
#define SH7780_PCIMBR1		0x1E8		/* Memory Bank1  Register */
#define SH7780_PCIMBMR1		0x1EC		/* Memory Bank1 Mask Register */
#define SH7780_PCIMBR2		0x1F0		/* Memory Bank2 Register */
#define SH7780_PCIMBMR2		0x1F4		/* Memory Bank2 Mask Register */
#define SH7780_PCIIOBR		0x1F8		/* Bank Register */
#define SH7780_PCIIOBMR		0x1FC		/* Bank Mask Register */
#define SH7780_PCICSCR0		0x210		/* Cache Snoop1 Cnt. Register */
#define SH7780_PCICSCR1		0x214		/* Cache Snoop2 Cnt. Register */
#define SH7780_PCICSAR0		0x218	/* Cache Snoop1 Addr. Register */
#define SH7780_PCICSAR1		0x21C	/* Cache Snoop2 Addr. Register */
#define SH7780_PCIPDR		0x220		/* Port IO Data Register */

/* General Memory Config Addresses */
#define SH7780_CS0_BASE_ADDR	0x0
#define SH7780_MEM_REGION_SIZE	0x04000000
#define SH7780_CS1_BASE_ADDR	(SH7780_CS0_BASE_ADDR + SH7780_MEM_REGION_SIZE)
#define SH7780_CS2_BASE_ADDR	(SH7780_CS1_BASE_ADDR + SH7780_MEM_REGION_SIZE)
#define SH7780_CS3_BASE_ADDR	(SH7780_CS2_BASE_ADDR + SH7780_MEM_REGION_SIZE)
#define SH7780_CS4_BASE_ADDR	(SH7780_CS3_BASE_ADDR + SH7780_MEM_REGION_SIZE)
#define SH7780_CS5_BASE_ADDR	(SH7780_CS4_BASE_ADDR + SH7780_MEM_REGION_SIZE)
#define SH7780_CS6_BASE_ADDR	(SH7780_CS5_BASE_ADDR + SH7780_MEM_REGION_SIZE)

/* General PCI values */
#define SH7780_PCI_HOST_BRIDGE	0x6

/* Flags */
#define SH7780_PCIC_NO_RESET	0x0001

/* External functions defined per platform i.e. Big Sur, SE... (these could be routed
 * through the machine vectors... */
extern int pcibios_init_platform(void);
extern int pcibios_map_platform_irq(u8 slot, u8 pin);

struct sh7780_pci_address_space {
	unsigned long base;
	unsigned long size;
};

struct sh7780_pci_address_map {
	struct sh7780_pci_address_space window0;
	struct sh7780_pci_address_space window1;
	unsigned long flags;
};

/* arch/sh/drivers/pci/pci-sh7780.c */
extern int sh7780_pcic_init(struct sh7780_pci_address_map *map);

#endif /* _PCI_SH7780_H_ */