include/asm-mips/ddb5xxx/ddb5xxx.h - kernel/msm - Gitiles

 /*
  * Copyright 2001 MontaVista Software Inc.
  * Author: jsun@mvista.com or jsun@junsun.net
  *
  * Copyright (C) 2000 Geert Uytterhoeven <geert@sonycom.com>
  *                    Sony Software Development Center Europe (SDCE), Brussels
  *
  * include/asm-mips/ddb5xxx/ddb5xxx.h
  *     Common header for all NEC DDB 5xxx boards, including 5074, 5476, 5477.
  *
  * This program is free software; you can redistribute  it and/or modify it
  * under  the terms of  the GNU General  Public License as published by the
  * Free Software Foundation;  either version 2 of the  License, or (at your
  * option) any later version.
  *
  */

 #ifndef __ASM_DDB5XXX_DDB5XXX_H
 #define __ASM_DDB5XXX_DDB5XXX_H

 #include <linux/types.h>

 /*
  *  This file is based on the following documentation:
  *
  *	NEC Vrc 5074 System Controller Data Sheet, June 1998
  *
  * [jsun] It is modified so that this file only contains the macros
  * that are true for all DDB 5xxx boards.  The modification is based on
  *
  *	uPD31577(VRC5477) VR5432-SDRAM/PCI Bridge (Luke)
  *	Preliminary Specification Decoment, Rev 1.1, 27 Dec, 2000
  *
  */


 #define DDB_BASE		0xbfa00000
 #define DDB_SIZE		0x00200000		/* 2 MB */


 /*
  *  Physical Device Address Registers (PDARs)
  */

 #define DDB_SDRAM0	0x0000	/* SDRAM Bank 0 [R/W] */
 #define DDB_SDRAM1	0x0008	/* SDRAM Bank 1 [R/W] */
 #define DDB_DCS2	0x0010	/* Device Chip-Select 2 [R/W] */
 #define DDB_DCS3	0x0018	/* Device Chip-Select 3 [R/W] */
 #define DDB_DCS4	0x0020	/* Device Chip-Select 4 [R/W] */
 #define DDB_DCS5	0x0028	/* Device Chip-Select 5 [R/W] */
 #define DDB_DCS6	0x0030	/* Device Chip-Select 6 [R/W] */
 #define DDB_DCS7	0x0038	/* Device Chip-Select 7 [R/W] */
 #define DDB_DCS8	0x0040	/* Device Chip-Select 8 [R/W] */
 #define DDB_PCIW0	0x0060	/* PCI Address Window 0 [R/W] */
 #define DDB_PCIW1	0x0068	/* PCI Address Window 1 [R/W] */
 #define DDB_INTCS	0x0070	/* Controller Internal Registers and Devices */
 				/* [R/W] */
 #define DDB_BOOTCS	0x0078	/* Boot ROM Chip-Select [R/W] */
 /* Vrc5477 has two more, IOPCIW0, IOPCIW1 */

 /*
  *  CPU Interface Registers
  */
 #define DDB_CPUSTAT	0x0080	/* CPU Status [R/W] */
 #define DDB_INTCTRL	0x0088	/* Interrupt Control [R/W] */
 #define DDB_INTSTAT0	0x0090	/* Interrupt Status 0 [R] */
 #define DDB_INTSTAT1	0x0098	/* Interrupt Status 1 and CPU Interrupt */
 				/* Enable [R/W] */
 #define DDB_INTCLR	0x00A0	/* Interrupt Clear [R/W] */
 #define DDB_INTPPES	0x00A8	/* PCI Interrupt Control [R/W] */


 /*
  *  Memory-Interface Registers
  */
 #define DDB_MEMCTRL	0x00C0	/* Memory Control */
 #define DDB_ACSTIME	0x00C8	/* Memory Access Timing [R/W] */
 #define DDB_CHKERR	0x00D0	/* Memory Check Error Status [R] */


 /*
  *  PCI-Bus Registers
  */
 #define DDB_PCICTRL	0x00E0	/* PCI Control [R/W] */
 #define DDB_PCIARB	0x00E8	/* PCI Arbiter [R/W] */
 #define DDB_PCIINIT0	0x00F0	/* PCI Master (Initiator) 0 [R/W] */
 #define DDB_PCIINIT1	0x00F8	/* PCI Master (Initiator) 1 [R/W] */
 #define DDB_PCIERR	0x00B8	/* PCI Error [R/W] */


 /*
  *  Local-Bus Registers
  */
 #define DDB_LCNFG	0x0100	/* Local Bus Configuration [R/W] */
 #define DDB_LCST2	0x0110	/* Local Bus Chip-Select Timing 2 [R/W] */
 #define DDB_LCST3	0x0118	/* Local Bus Chip-Select Timing 3 [R/W] */
 #define DDB_LCST4	0x0120	/* Local Bus Chip-Select Timing 4 [R/W] */
 #define DDB_LCST5	0x0128	/* Local Bus Chip-Select Timing 5 [R/W] */
 #define DDB_LCST6	0x0130	/* Local Bus Chip-Select Timing 6 [R/W] */
 #define DDB_LCST7	0x0138	/* Local Bus Chip-Select Timing 7 [R/W] */
 #define DDB_LCST8	0x0140	/* Local Bus Chip-Select Timing 8 [R/W] */
 #define DDB_DCSFN	0x0150	/* Device Chip-Select Muxing and Output */
 				/* Enables [R/W] */
 #define DDB_DCSIO	0x0158	/* Device Chip-Selects As I/O Bits [R/W] */
 #define DDB_BCST	0x0178	/* Local Boot Chip-Select Timing [R/W] */


 /*
  *  DMA Registers
  */
 #define DDB_DMACTRL0	0x0180	/* DMA Control 0 [R/W] */
 #define DDB_DMASRCA0	0x0188	/* DMA Source Address 0 [R/W] */
 #define DDB_DMADESA0	0x0190	/* DMA Destination Address 0 [R/W] */
 #define DDB_DMACTRL1	0x0198	/* DMA Control 1 [R/W] */
 #define DDB_DMASRCA1	0x01A0	/* DMA Source Address 1 [R/W] */
 #define DDB_DMADESA1	0x01A8	/* DMA Destination Address 1 [R/W] */


 /*
  *  Timer Registers
  */
 #define DDB_T0CTRL	0x01C0	/* SDRAM Refresh Control [R/W] */
 #define DDB_T0CNTR	0x01C8	/* SDRAM Refresh Counter [R/W] */
 #define DDB_T1CTRL	0x01D0	/* CPU-Bus Read Time-Out Control [R/W] */
 #define DDB_T1CNTR	0x01D8	/* CPU-Bus Read Time-Out Counter [R/W] */
 #define DDB_T2CTRL	0x01E0	/* General-Purpose Timer Control [R/W] */
 #define DDB_T2CNTR	0x01E8	/* General-Purpose Timer Counter [R/W] */
 #define DDB_T3CTRL	0x01F0	/* Watchdog Timer Control [R/W] */
 #define DDB_T3CNTR	0x01F8	/* Watchdog Timer Counter [R/W] */


 /*
  *  PCI Configuration Space Registers
  */
 #define DDB_PCI_BASE	0x0200

 #define DDB_VID		0x0200	/* PCI Vendor ID [R] */
 #define DDB_DID		0x0202	/* PCI Device ID [R] */
 #define DDB_PCICMD	0x0204	/* PCI Command [R/W] */
 #define DDB_PCISTS	0x0206	/* PCI Status [R/W] */
 #define DDB_REVID	0x0208	/* PCI Revision ID [R] */
 #define DDB_CLASS	0x0209	/* PCI Class Code [R] */
 #define DDB_CLSIZ	0x020C	/* PCI Cache Line Size [R/W] */
 #define DDB_MLTIM	0x020D	/* PCI Latency Timer [R/W] */
 #define DDB_HTYPE	0x020E	/* PCI Header Type [R] */
 #define DDB_BIST	0x020F	/* BIST [R] (unimplemented) */
 #define DDB_BARC	0x0210	/* PCI Base Address Register Control [R/W] */
 #define DDB_BAR0	0x0218	/* PCI Base Address Register 0 [R/W] */
 #define DDB_BAR1	0x0220	/* PCI Base Address Register 1 [R/W] */
 #define DDB_CIS		0x0228	/* PCI Cardbus CIS Pointer [R] */
 				/* (unimplemented) */
 #define DDB_SSVID	0x022C	/* PCI Sub-System Vendor ID [R/W] */
 #define DDB_SSID	0x022E	/* PCI Sub-System ID [R/W] */
 #define DDB_ROM		0x0230	/* Expansion ROM Base Address [R] */
 				/* (unimplemented) */
 #define DDB_INTLIN	0x023C	/* PCI Interrupt Line [R/W] */
 #define DDB_INTPIN	0x023D	/* PCI Interrupt Pin [R] */
 #define DDB_MINGNT	0x023E	/* PCI Min_Gnt [R] (unimplemented) */
 #define DDB_MAXLAT	0x023F	/* PCI Max_Lat [R] (unimplemented) */
 #define DDB_BAR2	0x0240	/* PCI Base Address Register 2 [R/W] */
 #define DDB_BAR3	0x0248	/* PCI Base Address Register 3 [R/W] */
 #define DDB_BAR4	0x0250	/* PCI Base Address Register 4 [R/W] */
 #define DDB_BAR5	0x0258	/* PCI Base Address Register 5 [R/W] */
 #define DDB_BAR6	0x0260	/* PCI Base Address Register 6 [R/W] */
 #define DDB_BAR7	0x0268	/* PCI Base Address Register 7 [R/W] */
 #define DDB_BAR8	0x0270	/* PCI Base Address Register 8 [R/W] */
 #define DDB_BARB	0x0278	/* PCI Base Address Register BOOT [R/W] */


 /*
  *  Nile 4 Register Access
  */

 static inline void ddb_sync(void)
 {
     volatile u32 *p = (volatile u32 *)0xbfc00000;
     (void)(*p);
 }

 static inline void ddb_out32(u32 offset, u32 val)
 {
     *(volatile u32 *)(DDB_BASE+offset) = val;
     ddb_sync();
 }

 static inline u32 ddb_in32(u32 offset)
 {
     u32 val = *(volatile u32 *)(DDB_BASE+offset);
     ddb_sync();
     return val;
 }

 static inline void ddb_out16(u32 offset, u16 val)
 {
     *(volatile u16 *)(DDB_BASE+offset) = val;
     ddb_sync();
 }

 static inline u16 ddb_in16(u32 offset)
 {
     u16 val = *(volatile u16 *)(DDB_BASE+offset);
     ddb_sync();
     return val;
 }

 static inline void ddb_out8(u32 offset, u8 val)
 {
     *(volatile u8 *)(DDB_BASE+offset) = val;
     ddb_sync();
 }

 static inline u8 ddb_in8(u32 offset)
 {
     u8 val = *(volatile u8 *)(DDB_BASE+offset);
     ddb_sync();
     return val;
 }


 /*
  *  Physical Device Address Registers
  */

 extern u32
 ddb_calc_pdar(u32 phys, u32 size, int width, int on_memory_bus, int pci_visible);
 extern void
 ddb_set_pdar(u32 pdar, u32 phys, u32 size, int width,
 	     int on_memory_bus, int pci_visible);

 /*
  *  PCI Master Registers
  */

 #define DDB_PCICMD_IACK		0	/* PCI Interrupt Acknowledge */
 #define DDB_PCICMD_IO		1	/* PCI I/O Space */
 #define DDB_PCICMD_MEM		3	/* PCI Memory Space */
 #define DDB_PCICMD_CFG		5	/* PCI Configuration Space */

 /*
  * additional options for pci init reg (no shifting needed)
  */
 #define DDB_PCI_CFGTYPE1     0x200   /* for pci init0/1 regs */
 #define DDB_PCI_ACCESS_32    0x10    /* for pci init0/1 regs */


 extern void ddb_set_pmr(u32 pmr, u32 type, u32 addr, u32 options);

 /*
  * we need to reset pci bus when we start up and shutdown
  */
 extern void ddb_pci_reset_bus(void);


 /*
  * include the board dependent part
  */
 #if defined(CONFIG_DDB5477)
 #include <asm/ddb5xxx/ddb5477.h>
 #else
 #error "Unknown DDB board!"
 #endif

 #endif /* __ASM_DDB5XXX_DDB5XXX_H */
	/*
	* Copyright 2001 MontaVista Software Inc.
	* Author: jsun@mvista.com or jsun@junsun.net
	*
	* Copyright (C) 2000 Geert Uytterhoeven <geert@sonycom.com>
	* Sony Software Development Center Europe (SDCE), Brussels
	*
	* include/asm-mips/ddb5xxx/ddb5xxx.h
	* Common header for all NEC DDB 5xxx boards, including 5074, 5476, 5477.
	*
	* This program is free software; you can redistribute it and/or modify it
	* under the terms of the GNU General Public License as published by the
	* Free Software Foundation; either version 2 of the License, or (at your
	* option) any later version.
	*
	*/

	#ifndef __ASM_DDB5XXX_DDB5XXX_H
	#define __ASM_DDB5XXX_DDB5XXX_H

	#include <linux/types.h>

	/*
	* This file is based on the following documentation:
	*
	* NEC Vrc 5074 System Controller Data Sheet, June 1998
	*
	* [jsun] It is modified so that this file only contains the macros
	* that are true for all DDB 5xxx boards. The modification is based on
	*
	* uPD31577(VRC5477) VR5432-SDRAM/PCI Bridge (Luke)
	* Preliminary Specification Decoment, Rev 1.1, 27 Dec, 2000
	*
	*/


	#define DDB_BASE 0xbfa00000
	#define DDB_SIZE 0x00200000 /* 2 MB */


	/*
	* Physical Device Address Registers (PDARs)
	*/

	#define DDB_SDRAM0 0x0000 /* SDRAM Bank 0 [R/W] */
	#define DDB_SDRAM1 0x0008 /* SDRAM Bank 1 [R/W] */
	#define DDB_DCS2 0x0010 /* Device Chip-Select 2 [R/W] */
	#define DDB_DCS3 0x0018 /* Device Chip-Select 3 [R/W] */
	#define DDB_DCS4 0x0020 /* Device Chip-Select 4 [R/W] */
	#define DDB_DCS5 0x0028 /* Device Chip-Select 5 [R/W] */
	#define DDB_DCS6 0x0030 /* Device Chip-Select 6 [R/W] */
	#define DDB_DCS7 0x0038 /* Device Chip-Select 7 [R/W] */
	#define DDB_DCS8 0x0040 /* Device Chip-Select 8 [R/W] */
	#define DDB_PCIW0 0x0060 /* PCI Address Window 0 [R/W] */
	#define DDB_PCIW1 0x0068 /* PCI Address Window 1 [R/W] */
	#define DDB_INTCS 0x0070 /* Controller Internal Registers and Devices */
	/* [R/W] */
	#define DDB_BOOTCS 0x0078 /* Boot ROM Chip-Select [R/W] */
	/* Vrc5477 has two more, IOPCIW0, IOPCIW1 */

	/*
	* CPU Interface Registers
	*/
	#define DDB_CPUSTAT 0x0080 /* CPU Status [R/W] */
	#define DDB_INTCTRL 0x0088 /* Interrupt Control [R/W] */
	#define DDB_INTSTAT0 0x0090 /* Interrupt Status 0 [R] */
	#define DDB_INTSTAT1 0x0098 /* Interrupt Status 1 and CPU Interrupt */
	/* Enable [R/W] */
	#define DDB_INTCLR 0x00A0 /* Interrupt Clear [R/W] */
	#define DDB_INTPPES 0x00A8 /* PCI Interrupt Control [R/W] */


	/*
	* Memory-Interface Registers
	*/
	#define DDB_MEMCTRL 0x00C0 /* Memory Control */
	#define DDB_ACSTIME 0x00C8 /* Memory Access Timing [R/W] */
	#define DDB_CHKERR 0x00D0 /* Memory Check Error Status [R] */


	/*
	* PCI-Bus Registers
	*/
	#define DDB_PCICTRL 0x00E0 /* PCI Control [R/W] */
	#define DDB_PCIARB 0x00E8 /* PCI Arbiter [R/W] */
	#define DDB_PCIINIT0 0x00F0 /* PCI Master (Initiator) 0 [R/W] */
	#define DDB_PCIINIT1 0x00F8 /* PCI Master (Initiator) 1 [R/W] */
	#define DDB_PCIERR 0x00B8 /* PCI Error [R/W] */


	/*
	* Local-Bus Registers
	*/
	#define DDB_LCNFG 0x0100 /* Local Bus Configuration [R/W] */
	#define DDB_LCST2 0x0110 /* Local Bus Chip-Select Timing 2 [R/W] */
	#define DDB_LCST3 0x0118 /* Local Bus Chip-Select Timing 3 [R/W] */
	#define DDB_LCST4 0x0120 /* Local Bus Chip-Select Timing 4 [R/W] */
	#define DDB_LCST5 0x0128 /* Local Bus Chip-Select Timing 5 [R/W] */
	#define DDB_LCST6 0x0130 /* Local Bus Chip-Select Timing 6 [R/W] */
	#define DDB_LCST7 0x0138 /* Local Bus Chip-Select Timing 7 [R/W] */
	#define DDB_LCST8 0x0140 /* Local Bus Chip-Select Timing 8 [R/W] */
	#define DDB_DCSFN 0x0150 /* Device Chip-Select Muxing and Output */
	/* Enables [R/W] */
	#define DDB_DCSIO 0x0158 /* Device Chip-Selects As I/O Bits [R/W] */
	#define DDB_BCST 0x0178 /* Local Boot Chip-Select Timing [R/W] */


	/*
	* DMA Registers
	*/
	#define DDB_DMACTRL0 0x0180 /* DMA Control 0 [R/W] */
	#define DDB_DMASRCA0 0x0188 /* DMA Source Address 0 [R/W] */
	#define DDB_DMADESA0 0x0190 /* DMA Destination Address 0 [R/W] */
	#define DDB_DMACTRL1 0x0198 /* DMA Control 1 [R/W] */
	#define DDB_DMASRCA1 0x01A0 /* DMA Source Address 1 [R/W] */
	#define DDB_DMADESA1 0x01A8 /* DMA Destination Address 1 [R/W] */


	/*
	* Timer Registers
	*/
	#define DDB_T0CTRL 0x01C0 /* SDRAM Refresh Control [R/W] */
	#define DDB_T0CNTR 0x01C8 /* SDRAM Refresh Counter [R/W] */
	#define DDB_T1CTRL 0x01D0 /* CPU-Bus Read Time-Out Control [R/W] */
	#define DDB_T1CNTR 0x01D8 /* CPU-Bus Read Time-Out Counter [R/W] */
	#define DDB_T2CTRL 0x01E0 /* General-Purpose Timer Control [R/W] */
	#define DDB_T2CNTR 0x01E8 /* General-Purpose Timer Counter [R/W] */
	#define DDB_T3CTRL 0x01F0 /* Watchdog Timer Control [R/W] */
	#define DDB_T3CNTR 0x01F8 /* Watchdog Timer Counter [R/W] */


	/*
	* PCI Configuration Space Registers
	*/
	#define DDB_PCI_BASE 0x0200

	#define DDB_VID 0x0200 /* PCI Vendor ID [R] */
	#define DDB_DID 0x0202 /* PCI Device ID [R] */
	#define DDB_PCICMD 0x0204 /* PCI Command [R/W] */
	#define DDB_PCISTS 0x0206 /* PCI Status [R/W] */
	#define DDB_REVID 0x0208 /* PCI Revision ID [R] */
	#define DDB_CLASS 0x0209 /* PCI Class Code [R] */
	#define DDB_CLSIZ 0x020C /* PCI Cache Line Size [R/W] */
	#define DDB_MLTIM 0x020D /* PCI Latency Timer [R/W] */
	#define DDB_HTYPE 0x020E /* PCI Header Type [R] */
	#define DDB_BIST 0x020F /* BIST [R] (unimplemented) */
	#define DDB_BARC 0x0210 /* PCI Base Address Register Control [R/W] */
	#define DDB_BAR0 0x0218 /* PCI Base Address Register 0 [R/W] */
	#define DDB_BAR1 0x0220 /* PCI Base Address Register 1 [R/W] */
	#define DDB_CIS 0x0228 /* PCI Cardbus CIS Pointer [R] */
	/* (unimplemented) */
	#define DDB_SSVID 0x022C /* PCI Sub-System Vendor ID [R/W] */
	#define DDB_SSID 0x022E /* PCI Sub-System ID [R/W] */
	#define DDB_ROM 0x0230 /* Expansion ROM Base Address [R] */
	/* (unimplemented) */
	#define DDB_INTLIN 0x023C /* PCI Interrupt Line [R/W] */
	#define DDB_INTPIN 0x023D /* PCI Interrupt Pin [R] */
	#define DDB_MINGNT 0x023E /* PCI Min_Gnt [R] (unimplemented) */
	#define DDB_MAXLAT 0x023F /* PCI Max_Lat [R] (unimplemented) */
	#define DDB_BAR2 0x0240 /* PCI Base Address Register 2 [R/W] */
	#define DDB_BAR3 0x0248 /* PCI Base Address Register 3 [R/W] */
	#define DDB_BAR4 0x0250 /* PCI Base Address Register 4 [R/W] */
	#define DDB_BAR5 0x0258 /* PCI Base Address Register 5 [R/W] */
	#define DDB_BAR6 0x0260 /* PCI Base Address Register 6 [R/W] */
	#define DDB_BAR7 0x0268 /* PCI Base Address Register 7 [R/W] */
	#define DDB_BAR8 0x0270 /* PCI Base Address Register 8 [R/W] */
	#define DDB_BARB 0x0278 /* PCI Base Address Register BOOT [R/W] */


	/*
	* Nile 4 Register Access
	*/

	static inline void ddb_sync(void)
	{
	volatile u32 p = (volatile u32 )0xbfc00000;
	(void)(*p);
	}

	static inline void ddb_out32(u32 offset, u32 val)
	{
	(volatile u32 )(DDB_BASE+offset) = val;
	ddb_sync();
	}

	static inline u32 ddb_in32(u32 offset)
	{
	u32 val = (volatile u32 )(DDB_BASE+offset);
	ddb_sync();
	return val;
	}

	static inline void ddb_out16(u32 offset, u16 val)
	{
	(volatile u16 )(DDB_BASE+offset) = val;
	ddb_sync();
	}

	static inline u16 ddb_in16(u32 offset)
	{
	u16 val = (volatile u16 )(DDB_BASE+offset);
	ddb_sync();
	return val;
	}

	static inline void ddb_out8(u32 offset, u8 val)
	{
	(volatile u8 )(DDB_BASE+offset) = val;
	ddb_sync();
	}

	static inline u8 ddb_in8(u32 offset)
	{
	u8 val = (volatile u8 )(DDB_BASE+offset);
	ddb_sync();
	return val;
	}


	/*
	* Physical Device Address Registers
	*/

	extern u32
	ddb_calc_pdar(u32 phys, u32 size, int width, int on_memory_bus, int pci_visible);
	extern void
	ddb_set_pdar(u32 pdar, u32 phys, u32 size, int width,
	int on_memory_bus, int pci_visible);

	/*
	* PCI Master Registers
	*/

	#define DDB_PCICMD_IACK 0 /* PCI Interrupt Acknowledge */
	#define DDB_PCICMD_IO 1 /* PCI I/O Space */
	#define DDB_PCICMD_MEM 3 /* PCI Memory Space */
	#define DDB_PCICMD_CFG 5 /* PCI Configuration Space */

	/*
	* additional options for pci init reg (no shifting needed)
	*/
	#define DDB_PCI_CFGTYPE1 0x200 /* for pci init0/1 regs */
	#define DDB_PCI_ACCESS_32 0x10 /* for pci init0/1 regs */


	extern void ddb_set_pmr(u32 pmr, u32 type, u32 addr, u32 options);

	/*
	* we need to reset pci bus when we start up and shutdown
	*/
	extern void ddb_pci_reset_bus(void);


	/*
	* include the board dependent part
	*/
	#if defined(CONFIG_DDB5477)
	#include <asm/ddb5xxx/ddb5477.h>
	#else
	#error "Unknown DDB board!"
	#endif

	#endif /* __ASM_DDB5XXX_DDB5XXX_H */