You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
67 lines
2.2 KiB
67 lines
2.2 KiB
/*
|
|
* arch/ppc/platforms/pplus.h
|
|
*
|
|
* Definitions for Motorola MCG Falcon/Raven & HAWK North Bridge & Memory ctlr.
|
|
*
|
|
* Author: Mark A. Greerinclude/asm-ppc/hawk.h
|
|
* mgreer@mvista.com
|
|
*
|
|
* Modified by Randy Vinson (rvinson@mvista.com)
|
|
*
|
|
* 2001-2004 (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_PPLUS_H
|
|
#define __PPC_PPLUS_H
|
|
|
|
#include <asm/io.h>
|
|
|
|
/*
|
|
* Due to limiations imposed by legacy hardware (primaryily IDE controllers),
|
|
* the PPLUS boards operate using a PReP address map.
|
|
*
|
|
* From Processor (physical) -> PCI:
|
|
* PCI Mem Space: 0xc0000000 - 0xfe000000 -> 0x00000000 - 0x3e000000 (768 MB)
|
|
* PCI I/O Space: 0x80000000 - 0x90000000 -> 0x00000000 - 0x10000000 (256 MB)
|
|
* Note: Must skip 0xfe000000-0xfe400000 for CONFIG_HIGHMEM/PKMAP area
|
|
*
|
|
* From PCI -> Processor (physical):
|
|
* System Memory: 0x80000000 -> 0x00000000
|
|
*/
|
|
|
|
#define PPLUS_ISA_MEM_BASE PREP_ISA_MEM_BASE
|
|
#define PPLUS_ISA_IO_BASE PREP_ISA_IO_BASE
|
|
|
|
/* PCI Memory space mapping info */
|
|
#define PPLUS_PCI_MEM_SIZE 0x30000000U
|
|
#define PPLUS_PROC_PCI_MEM_START PPLUS_ISA_MEM_BASE
|
|
#define PPLUS_PROC_PCI_MEM_END (PPLUS_PROC_PCI_MEM_START + \
|
|
PPLUS_PCI_MEM_SIZE - 1)
|
|
#define PPLUS_PCI_MEM_START 0x00000000U
|
|
#define PPLUS_PCI_MEM_END (PPLUS_PCI_MEM_START + \
|
|
PPLUS_PCI_MEM_SIZE - 1)
|
|
|
|
/* PCI I/O space mapping info */
|
|
#define PPLUS_PCI_IO_SIZE 0x10000000U
|
|
#define PPLUS_PROC_PCI_IO_START PPLUS_ISA_IO_BASE
|
|
#define PPLUS_PROC_PCI_IO_END (PPLUS_PROC_PCI_IO_START + \
|
|
PPLUS_PCI_IO_SIZE - 1)
|
|
#define PPLUS_PCI_IO_START 0x00000000U
|
|
#define PPLUS_PCI_IO_END (PPLUS_PCI_IO_START + \
|
|
PPLUS_PCI_IO_SIZE - 1)
|
|
/* System memory mapping info */
|
|
#define PPLUS_PCI_DRAM_OFFSET PREP_PCI_DRAM_OFFSET
|
|
#define PPLUS_PCI_PHY_MEM_OFFSET (PPLUS_ISA_MEM_BASE-PPLUS_PCI_MEM_START)
|
|
|
|
/* Define base addresses for important sets of registers */
|
|
#define PPLUS_HAWK_SMC_BASE 0xfef80000U
|
|
#define PPLUS_HAWK_PPC_REG_BASE 0xfeff0000U
|
|
#define PPLUS_SYS_CONFIG_REG 0xfef80400U
|
|
#define PPLUS_L2_CONTROL_REG 0x8000081cU
|
|
|
|
#define PPLUS_VGA_MEM_BASE 0xf0000000U
|
|
|
|
#endif /* __PPC_PPLUS_H */
|
|
|