96 строки
3.1 KiB
C
96 строки
3.1 KiB
C
|
/*
|
||
|
|
* include/asm-ppc/platforms/prpmc750.h
|
||
|
|
*
|
||
|
|
* Definitions for Motorola PrPMC750 board support
|
||
|
|
*
|
||
|
|
* Author: Matt Porter <mporter@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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifdef __KERNEL__
|
||
|
|
#ifndef __ASM_PRPMC750_H__
|
||
|
|
#define __ASM_PRPMC750_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
|
||
|
|
|
||
|
|
/* UART Defines. */
|
||
|
|
#define RS_TABLE_SIZE 4
|
||
|
|
|
||
|
|
/* Rate for the 1.8432 Mhz clock for the onboard serial chip */
|
||
|
|
#define BASE_BAUD (PRPMC750_BASE_BAUD / 16)
|
||
|
|
|
||
|
|
#define STD_COM_FLAGS ASYNC_BOOT_AUTOCONF
|
||
|
|
|
||
|
|
#define SERIAL_PORT_DFNS \
|
||
|
|
{ 0, BASE_BAUD, PRPMC750_SERIAL_0, 1, STD_COM_FLAGS, \
|
||
|
|
iomem_base: (unsigned char *)PRPMC750_SERIAL_0, \
|
||
|
|
iomem_reg_shift: 4, \
|
||
|
|
io_type: SERIAL_IO_MEM } /* ttyS0 */
|
||
|
|
|
||
|
|
#endif /* __ASM_PRPMC750_H__ */
|
||
|
|
#endif /* __KERNEL__ */
|