/* * include/asm-ppc/platforms/prpmc750.h * * Definitions for Motorola PrPMC750 board support * * Author: Matt Porter <mporter@mvista.com> * * Copyright 2001 MontaVista Software Inc. * * 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. */ #ifdef __KERNEL__ #ifndef __ASM_PRPMC750_H__ #define __ASM_PRPMC750_H__ #include <linux/serial_reg.h> /* * Due to limiations imposed by legacy hardware (primaryily IDE controllers), * the PrPMC750 carrier board operates 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 PRPMC750_ISA_IO_BASE PREP_ISA_IO_BASE #define PRPMC750_ISA_MEM_BASE PREP_ISA_MEM_BASE /* PCI Memory space mapping info */ #define PRPMC750_PCI_MEM_SIZE 0x30000000U #define PRPMC750_PROC_PCI_MEM_START PRPMC750_ISA_MEM_BASE #define PRPMC750_PROC_PCI_MEM_END (PRPMC750_PROC_PCI_MEM_START + \ PRPMC750_PCI_MEM_SIZE - 1) #define PRPMC750_PCI_MEM_START 0x00000000U #define PRPMC750_PCI_MEM_END (PRPMC750_PCI_MEM_START + \ PRPMC750_PCI_MEM_SIZE - 1) /* PCI I/O space mapping info */ #define PRPMC750_PCI_IO_SIZE 0x10000000U #define PRPMC750_PROC_PCI_IO_START PRPMC750_ISA_IO_BASE #define PRPMC750_PROC_PCI_IO_END (PRPMC750_PROC_PCI_IO_START + \ PRPMC750_PCI_IO_SIZE - 1) #define PRPMC750_PCI_IO_START 0x00000000U #define PRPMC750_PCI_IO_END (PRPMC750_PCI_IO_START + \ PRPMC750_PCI_IO_SIZE - 1) /* System memory mapping info */ #define PRPMC750_PCI_DRAM_OFFSET PREP_PCI_DRAM_OFFSET #define PRPMC750_PCI_PHY_MEM_OFFSET (PRPMC750_ISA_MEM_BASE-PRPMC750_PCI_MEM_START) /* Register address definitions */ #define PRPMC750_HAWK_SMC_BASE 0xfef80000U #define PRPMC750_HAWK_PPC_REG_BASE 0xfeff0000U #define PRPMC750_BASE_BAUD 1843200 #define PRPMC750_SERIAL_0 0xfef88000 #define PRPMC750_SERIAL_0_DLL (PRPMC750_SERIAL_0 + (UART_DLL << 4)) #define PRPMC750_SERIAL_0_DLM (PRPMC750_SERIAL_0 + (UART_DLM << 4)) #define PRPMC750_SERIAL_0_LCR (PRPMC750_SERIAL_0 + (UART_LCR << 4)) #define PRPMC750_STATUS_REG 0xfef88080 #define PRPMC750_BAUDOUT_MASK 0x02 #define PRPMC750_MONARCH_MASK 0x01 #define PRPMC750_MODRST_REG 0xfef880a0 #define PRPMC750_MODRST_MASK 0x01 #define PRPMC750_PIRQ_REG 0xfef880b0 #define PRPMC750_SEL1_MASK 0x02 #define PRPMC750_SEL0_MASK 0x01 #define PRPMC750_TBEN_REG 0xfef880c0 #define PRPMC750_TBEN_MASK 0x01 #endif /* __ASM_PRPMC750_H__ */ #endif /* __KERNEL__ */