| /* |
| * 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 limitations imposed by legacy hardware (primarily 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 */ |
