include/asm-ppc/mpc10x.h - maze/linux - Git at Google

 /*
  * Common routines for the Motorola SPS MPC106/8240/107 Host bridge/Mem
  * ctlr/EPIC/etc.
  *
  * Author: Mark A. Greer
  *         mgreer@mvista.com
  *
  * 2001 (c) MontaVista, Software, Inc.  This file is licensed under
  * the terms of the GNU General Public License version 2.  This program
  * is licensed "as is" without any warranty of any kind, whether express
  * or implied.
  */
 #ifndef __PPC_KERNEL_MPC10X_H
 #define __PPC_KERNEL_MPC10X_H

 #include <linux/pci_ids.h>
 #include <asm/pci-bridge.h>

 /*
  * The values here don't completely map everything but should work in most
  * cases.
  *
  * MAP A (PReP Map)
  *   Processor: 0x80000000 - 0x807fffff -> PCI I/O: 0x00000000 - 0x007fffff
  *   Processor: 0xc0000000 - 0xdfffffff -> PCI MEM: 0x00000000 - 0x1fffffff
  *   PCI MEM:   0x80000000 -> Processor System Memory: 0x00000000
  *   EUMB mapped to: ioremap_base - 0x00100000 (ioremap_base - 1 MB)
  *
  * MAP B (CHRP Map)
  *   Processor: 0xfe000000 - 0xfebfffff -> PCI I/O: 0x00000000 - 0x00bfffff
  *   Processor: 0x80000000 - 0xbfffffff -> PCI MEM: 0x80000000 - 0xbfffffff
  *   PCI MEM:   0x00000000 -> Processor System Memory: 0x00000000
  *   EUMB mapped to: ioremap_base - 0x00100000 (ioremap_base - 1 MB)
  */

 /*
  * Define the vendor/device IDs for the various bridges--should be added to
  * <linux/pci_ids.h>
  */
 #define	MPC10X_BRIDGE_106	((PCI_DEVICE_ID_MOTOROLA_MPC106 << 16) |  \
 				  PCI_VENDOR_ID_MOTOROLA)
 #define	MPC10X_BRIDGE_8240	((0x0003 << 16) | PCI_VENDOR_ID_MOTOROLA)
 #define	MPC10X_BRIDGE_107	((0x0004 << 16) | PCI_VENDOR_ID_MOTOROLA)
 #define	MPC10X_BRIDGE_8245	((0x0006 << 16) | PCI_VENDOR_ID_MOTOROLA)

 /* Define the type of map to use */
 #define	MPC10X_MEM_MAP_A		1
 #define	MPC10X_MEM_MAP_B		2

 /* Map A (PReP Map) Defines */
 #define	MPC10X_MAPA_CNFG_ADDR		0x80000cf8
 #define	MPC10X_MAPA_CNFG_DATA		0x80000cfc

 #define MPC10X_MAPA_ISA_IO_BASE		0x80000000
 #define MPC10X_MAPA_ISA_MEM_BASE	0xc0000000
 #define	MPC10X_MAPA_DRAM_OFFSET		0x80000000

 #define	MPC10X_MAPA_PCI_INTACK_ADDR	0xbffffff0
 #define	MPC10X_MAPA_PCI_IO_START	0x00000000
 #define	MPC10X_MAPA_PCI_IO_END	       (0x00800000 - 1)
 #define	MPC10X_MAPA_PCI_MEM_START	0x00000000
 #define	MPC10X_MAPA_PCI_MEM_END	       (0x20000000 - 1)

 #define	MPC10X_MAPA_PCI_MEM_OFFSET	(MPC10X_MAPA_ISA_MEM_BASE -	\
 					 MPC10X_MAPA_PCI_MEM_START)

 /* Map B (CHRP Map) Defines */
 #define	MPC10X_MAPB_CNFG_ADDR		0xfec00000
 #define	MPC10X_MAPB_CNFG_DATA		0xfee00000

 #define MPC10X_MAPB_ISA_IO_BASE		0xfe000000
 #define MPC10X_MAPB_ISA_MEM_BASE	0x80000000
 #define	MPC10X_MAPB_DRAM_OFFSET		0x00000000

 #define	MPC10X_MAPB_PCI_INTACK_ADDR	0xfef00000
 #define	MPC10X_MAPB_PCI_IO_START	0x00000000
 #define	MPC10X_MAPB_PCI_IO_END	       (0x00c00000 - 1)
 #define	MPC10X_MAPB_PCI_MEM_START	0x80000000
 #define	MPC10X_MAPB_PCI_MEM_END	       (0xc0000000 - 1)

 #define	MPC10X_MAPB_PCI_MEM_OFFSET	(MPC10X_MAPB_ISA_MEM_BASE -	\
 					 MPC10X_MAPB_PCI_MEM_START)

 /* Set hose members to values appropriate for the mem map used */
 #define	MPC10X_SETUP_HOSE(hose, map) {					\
 	(hose)->pci_mem_offset = MPC10X_MAP##map##_PCI_MEM_OFFSET;	\
 	(hose)->io_space.start = MPC10X_MAP##map##_PCI_IO_START;	\
 	(hose)->io_space.end = MPC10X_MAP##map##_PCI_IO_END;		\
 	(hose)->mem_space.start = MPC10X_MAP##map##_PCI_MEM_START;	\
 	(hose)->mem_space.end = MPC10X_MAP##map##_PCI_MEM_END;		\
 	(hose)->io_base_virt = (void *)MPC10X_MAP##map##_ISA_IO_BASE;	\
 }


 /* Miscellaneous Configuration register offsets */
 #define	MPC10X_CFG_PIR_REG		0x09
 #define	MPC10X_CFG_PIR_HOST_BRIDGE	0x00
 #define	MPC10X_CFG_PIR_AGENT		0x01

 #define	MPC10X_CFG_EUMBBAR		0x78

 #define	MPC10X_CFG_PICR1_REG		0xa8
 #define	MPC10X_CFG_PICR1_ADDR_MAP_MASK	0x00010000
 #define	MPC10X_CFG_PICR1_ADDR_MAP_A	0x00010000
 #define	MPC10X_CFG_PICR1_ADDR_MAP_B	0x00000000
 #define	MPC10X_CFG_PICR1_SPEC_PCI_RD	0x00000004
 #define	MPC10X_CFG_PICR1_ST_GATH_EN	0x00000040

 #define	MPC10X_CFG_PICR2_REG		0xac
 #define	MPC10X_CFG_PICR2_COPYBACK_OPT	0x00000001

 #define	MPC10X_CFG_MAPB_OPTIONS_REG	0xe0
 #define	MPC10X_CFG_MAPB_OPTIONS_CFAE	0x80	/* CPU_FD_ALIAS_EN */
 #define	MPC10X_CFG_MAPB_OPTIONS_PFAE	0x40	/* PCI_FD_ALIAS_EN */
 #define	MPC10X_CFG_MAPB_OPTIONS_DR	0x20	/* DLL_RESET */
 #define	MPC10X_CFG_MAPB_OPTIONS_PCICH	0x08	/* PCI_COMPATIBILITY_HOLE */
 #define	MPC10X_CFG_MAPB_OPTIONS_PROCCH	0x04	/* PROC_COMPATIBILITY_HOLE */

 /* Define offsets for the memory controller registers in the config space */
 #define MPC10X_MCTLR_MEM_START_1	0x80	/* Banks 0-3 */
 #define MPC10X_MCTLR_MEM_START_2	0x84	/* Banks 4-7 */
 #define MPC10X_MCTLR_EXT_MEM_START_1	0x88	/* Banks 0-3 */
 #define MPC10X_MCTLR_EXT_MEM_START_2	0x8c	/* Banks 4-7 */

 #define MPC10X_MCTLR_MEM_END_1		0x90	/* Banks 0-3 */
 #define MPC10X_MCTLR_MEM_END_2		0x94	/* Banks 4-7 */
 #define MPC10X_MCTLR_EXT_MEM_END_1	0x98	/* Banks 0-3 */
 #define MPC10X_MCTLR_EXT_MEM_END_2	0x9c	/* Banks 4-7 */

 #define MPC10X_MCTLR_MEM_BANK_ENABLES	0xa0

 /* Define some offset in the EUMB */
 #define	MPC10X_EUMB_SIZE		0x00100000 /* Total EUMB size (1MB) */

 #define MPC10X_EUMB_MU_OFFSET		0x00000000 /* Msg Unit reg offset */
 #define MPC10X_EUMB_MU_SIZE		0x00001000 /* Msg Unit reg size */
 #define MPC10X_EUMB_DMA_OFFSET		0x00001000 /* DMA Unit reg offset */
 #define MPC10X_EUMB_DMA_SIZE		0x00001000 /* DMA Unit reg size  */
 #define MPC10X_EUMB_ATU_OFFSET		0x00002000 /* Addr xlate reg offset */
 #define MPC10X_EUMB_ATU_SIZE		0x00001000 /* Addr xlate reg size  */
 #define MPC10X_EUMB_I2C_OFFSET		0x00003000 /* I2C Unit reg offset */
 #define MPC10X_EUMB_I2C_SIZE		0x00001000 /* I2C Unit reg size  */
 #define MPC10X_EUMB_DUART_OFFSET	0x00004000 /* DUART Unit reg offset (8245) */
 #define MPC10X_EUMB_DUART_SIZE		0x00001000 /* DUART Unit reg size (8245) */
 #define	MPC10X_EUMB_EPIC_OFFSET		0x00040000 /* EPIC offset in EUMB */
 #define	MPC10X_EUMB_EPIC_SIZE		0x00030000 /* EPIC size */
 #define MPC10X_EUMB_PM_OFFSET		0x000fe000 /* Performance Monitor reg offset (8245) */
 #define MPC10X_EUMB_PM_SIZE		0x00001000 /* Performance Monitor reg size (8245) */
 #define MPC10X_EUMB_WP_OFFSET		0x000ff000 /* Data path diagnostic, watchpoint reg offset */
 #define MPC10X_EUMB_WP_SIZE		0x00001000 /* Data path diagnostic, watchpoint reg size */

 /*
  * Define some recommended places to put the EUMB regs.
  * For both maps, recommend putting the EUMB from 0xeff00000 to 0xefffffff.
  */
 extern unsigned long			ioremap_base;
 #define	MPC10X_MAPA_EUMB_BASE		(ioremap_base - MPC10X_EUMB_SIZE)
 #define	MPC10X_MAPB_EUMB_BASE		MPC10X_MAPA_EUMB_BASE

 enum ppc_sys_devices {
 	MPC10X_IIC1,
 	MPC10X_DMA0,
 	MPC10X_DMA1,
 	MPC10X_UART0,
 	MPC10X_UART1,
 	NUM_PPC_SYS_DEVS,
 };

 int mpc10x_bridge_init(struct pci_controller *hose,
 		       uint current_map,
 		       uint new_map,
 		       uint phys_eumb_base);
 unsigned long mpc10x_get_mem_size(uint mem_map);
 int mpc10x_enable_store_gathering(struct pci_controller *hose);
 int mpc10x_disable_store_gathering(struct pci_controller *hose);

 /* For MPC107 boards that use the built-in openpic */
 void mpc10x_set_openpic(void);

 #endif	/* __PPC_KERNEL_MPC10X_H */
	/*
	* Common routines for the Motorola SPS MPC106/8240/107 Host bridge/Mem
	* ctlr/EPIC/etc.
	*
	* Author: Mark A. Greer
	* mgreer@mvista.com
	*
	* 2001 (c) MontaVista, Software, Inc. This file is licensed under
	* the terms of the GNU General Public License version 2. This program
	* is licensed "as is" without any warranty of any kind, whether express
	* or implied.
	*/
	#ifndef __PPC_KERNEL_MPC10X_H
	#define __PPC_KERNEL_MPC10X_H

	#include <linux/pci_ids.h>
	#include <asm/pci-bridge.h>

	/*
	* The values here don't completely map everything but should work in most
	* cases.
	*
	* MAP A (PReP Map)
	* Processor: 0x80000000 - 0x807fffff -> PCI I/O: 0x00000000 - 0x007fffff
	* Processor: 0xc0000000 - 0xdfffffff -> PCI MEM: 0x00000000 - 0x1fffffff
	* PCI MEM: 0x80000000 -> Processor System Memory: 0x00000000
	* EUMB mapped to: ioremap_base - 0x00100000 (ioremap_base - 1 MB)
	*
	* MAP B (CHRP Map)
	* Processor: 0xfe000000 - 0xfebfffff -> PCI I/O: 0x00000000 - 0x00bfffff
	* Processor: 0x80000000 - 0xbfffffff -> PCI MEM: 0x80000000 - 0xbfffffff
	* PCI MEM: 0x00000000 -> Processor System Memory: 0x00000000
	* EUMB mapped to: ioremap_base - 0x00100000 (ioremap_base - 1 MB)
	*/

	/*
	* Define the vendor/device IDs for the various bridges--should be added to
	* <linux/pci_ids.h>
	*/
	#define MPC10X_BRIDGE_106 ((PCI_DEVICE_ID_MOTOROLA_MPC106 << 16) \| \
	PCI_VENDOR_ID_MOTOROLA)
	#define MPC10X_BRIDGE_8240 ((0x0003 << 16) \| PCI_VENDOR_ID_MOTOROLA)
	#define MPC10X_BRIDGE_107 ((0x0004 << 16) \| PCI_VENDOR_ID_MOTOROLA)
	#define MPC10X_BRIDGE_8245 ((0x0006 << 16) \| PCI_VENDOR_ID_MOTOROLA)

	/* Define the type of map to use */
	#define MPC10X_MEM_MAP_A 1
	#define MPC10X_MEM_MAP_B 2

	/* Map A (PReP Map) Defines */
	#define MPC10X_MAPA_CNFG_ADDR 0x80000cf8
	#define MPC10X_MAPA_CNFG_DATA 0x80000cfc

	#define MPC10X_MAPA_ISA_IO_BASE 0x80000000
	#define MPC10X_MAPA_ISA_MEM_BASE 0xc0000000
	#define MPC10X_MAPA_DRAM_OFFSET 0x80000000

	#define MPC10X_MAPA_PCI_INTACK_ADDR 0xbffffff0
	#define MPC10X_MAPA_PCI_IO_START 0x00000000
	#define MPC10X_MAPA_PCI_IO_END (0x00800000 - 1)
	#define MPC10X_MAPA_PCI_MEM_START 0x00000000
	#define MPC10X_MAPA_PCI_MEM_END (0x20000000 - 1)

	#define MPC10X_MAPA_PCI_MEM_OFFSET (MPC10X_MAPA_ISA_MEM_BASE - \
	MPC10X_MAPA_PCI_MEM_START)

	/* Map B (CHRP Map) Defines */
	#define MPC10X_MAPB_CNFG_ADDR 0xfec00000
	#define MPC10X_MAPB_CNFG_DATA 0xfee00000

	#define MPC10X_MAPB_ISA_IO_BASE 0xfe000000
	#define MPC10X_MAPB_ISA_MEM_BASE 0x80000000
	#define MPC10X_MAPB_DRAM_OFFSET 0x00000000

	#define MPC10X_MAPB_PCI_INTACK_ADDR 0xfef00000
	#define MPC10X_MAPB_PCI_IO_START 0x00000000
	#define MPC10X_MAPB_PCI_IO_END (0x00c00000 - 1)
	#define MPC10X_MAPB_PCI_MEM_START 0x80000000
	#define MPC10X_MAPB_PCI_MEM_END (0xc0000000 - 1)

	#define MPC10X_MAPB_PCI_MEM_OFFSET (MPC10X_MAPB_ISA_MEM_BASE - \
	MPC10X_MAPB_PCI_MEM_START)

	/* Set hose members to values appropriate for the mem map used */
	#define MPC10X_SETUP_HOSE(hose, map) { \
	(hose)->pci_mem_offset = MPC10X_MAP##map##_PCI_MEM_OFFSET; \
	(hose)->io_space.start = MPC10X_MAP##map##_PCI_IO_START; \
	(hose)->io_space.end = MPC10X_MAP##map##_PCI_IO_END; \
	(hose)->mem_space.start = MPC10X_MAP##map##_PCI_MEM_START; \
	(hose)->mem_space.end = MPC10X_MAP##map##_PCI_MEM_END; \
	(hose)->io_base_virt = (void *)MPC10X_MAP##map##_ISA_IO_BASE; \
	}


	/* Miscellaneous Configuration register offsets */
	#define MPC10X_CFG_PIR_REG 0x09
	#define MPC10X_CFG_PIR_HOST_BRIDGE 0x00
	#define MPC10X_CFG_PIR_AGENT 0x01

	#define MPC10X_CFG_EUMBBAR 0x78

	#define MPC10X_CFG_PICR1_REG 0xa8
	#define MPC10X_CFG_PICR1_ADDR_MAP_MASK 0x00010000
	#define MPC10X_CFG_PICR1_ADDR_MAP_A 0x00010000
	#define MPC10X_CFG_PICR1_ADDR_MAP_B 0x00000000
	#define MPC10X_CFG_PICR1_SPEC_PCI_RD 0x00000004
	#define MPC10X_CFG_PICR1_ST_GATH_EN 0x00000040

	#define MPC10X_CFG_PICR2_REG 0xac
	#define MPC10X_CFG_PICR2_COPYBACK_OPT 0x00000001

	#define MPC10X_CFG_MAPB_OPTIONS_REG 0xe0
	#define MPC10X_CFG_MAPB_OPTIONS_CFAE 0x80 /* CPU_FD_ALIAS_EN */
	#define MPC10X_CFG_MAPB_OPTIONS_PFAE 0x40 /* PCI_FD_ALIAS_EN */
	#define MPC10X_CFG_MAPB_OPTIONS_DR 0x20 /* DLL_RESET */
	#define MPC10X_CFG_MAPB_OPTIONS_PCICH 0x08 /* PCI_COMPATIBILITY_HOLE */
	#define MPC10X_CFG_MAPB_OPTIONS_PROCCH 0x04 /* PROC_COMPATIBILITY_HOLE */

	/* Define offsets for the memory controller registers in the config space */
	#define MPC10X_MCTLR_MEM_START_1 0x80 /* Banks 0-3 */
	#define MPC10X_MCTLR_MEM_START_2 0x84 /* Banks 4-7 */
	#define MPC10X_MCTLR_EXT_MEM_START_1 0x88 /* Banks 0-3 */
	#define MPC10X_MCTLR_EXT_MEM_START_2 0x8c /* Banks 4-7 */

	#define MPC10X_MCTLR_MEM_END_1 0x90 /* Banks 0-3 */
	#define MPC10X_MCTLR_MEM_END_2 0x94 /* Banks 4-7 */
	#define MPC10X_MCTLR_EXT_MEM_END_1 0x98 /* Banks 0-3 */
	#define MPC10X_MCTLR_EXT_MEM_END_2 0x9c /* Banks 4-7 */

	#define MPC10X_MCTLR_MEM_BANK_ENABLES 0xa0

	/* Define some offset in the EUMB */
	#define MPC10X_EUMB_SIZE 0x00100000 /* Total EUMB size (1MB) */

	#define MPC10X_EUMB_MU_OFFSET 0x00000000 /* Msg Unit reg offset */
	#define MPC10X_EUMB_MU_SIZE 0x00001000 /* Msg Unit reg size */
	#define MPC10X_EUMB_DMA_OFFSET 0x00001000 /* DMA Unit reg offset */
	#define MPC10X_EUMB_DMA_SIZE 0x00001000 /* DMA Unit reg size */
	#define MPC10X_EUMB_ATU_OFFSET 0x00002000 /* Addr xlate reg offset */
	#define MPC10X_EUMB_ATU_SIZE 0x00001000 /* Addr xlate reg size */
	#define MPC10X_EUMB_I2C_OFFSET 0x00003000 /* I2C Unit reg offset */
	#define MPC10X_EUMB_I2C_SIZE 0x00001000 /* I2C Unit reg size */
	#define MPC10X_EUMB_DUART_OFFSET 0x00004000 /* DUART Unit reg offset (8245) */
	#define MPC10X_EUMB_DUART_SIZE 0x00001000 /* DUART Unit reg size (8245) */
	#define MPC10X_EUMB_EPIC_OFFSET 0x00040000 /* EPIC offset in EUMB */
	#define MPC10X_EUMB_EPIC_SIZE 0x00030000 /* EPIC size */
	#define MPC10X_EUMB_PM_OFFSET 0x000fe000 /* Performance Monitor reg offset (8245) */
	#define MPC10X_EUMB_PM_SIZE 0x00001000 /* Performance Monitor reg size (8245) */
	#define MPC10X_EUMB_WP_OFFSET 0x000ff000 /* Data path diagnostic, watchpoint reg offset */
	#define MPC10X_EUMB_WP_SIZE 0x00001000 /* Data path diagnostic, watchpoint reg size */

	/*
	* Define some recommended places to put the EUMB regs.
	* For both maps, recommend putting the EUMB from 0xeff00000 to 0xefffffff.
	*/
	extern unsigned long ioremap_base;
	#define MPC10X_MAPA_EUMB_BASE (ioremap_base - MPC10X_EUMB_SIZE)
	#define MPC10X_MAPB_EUMB_BASE MPC10X_MAPA_EUMB_BASE

	enum ppc_sys_devices {
	MPC10X_IIC1,
	MPC10X_DMA0,
	MPC10X_DMA1,
	MPC10X_UART0,
	MPC10X_UART1,
	NUM_PPC_SYS_DEVS,
	};

	int mpc10x_bridge_init(struct pci_controller *hose,
	uint current_map,
	uint new_map,
	uint phys_eumb_base);
	unsigned long mpc10x_get_mem_size(uint mem_map);
	int mpc10x_enable_store_gathering(struct pci_controller *hose);
	int mpc10x_disable_store_gathering(struct pci_controller *hose);

	/* For MPC107 boards that use the built-in openpic */
	void mpc10x_set_openpic(void);

	#endif /* __PPC_KERNEL_MPC10X_H */