blob: 5c408060eb35cb97abfb178a6b596cb1216d5766 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Matt Porter3e9e7c12005-11-07 00:58:15 -08002 * Bubinga board definitions
Linus Torvalds1da177e2005-04-16 15:20:36 -07003 *
Matt Porter3e9e7c12005-11-07 00:58:15 -08004 * Copyright (c) 2005 DENX Software Engineering
5 * Stefan Roese <sr@denx.de>
6 *
7 * Based on original work by
8 * SAW (IBM)
9 * 2003 (c) MontaVista Softare Inc.
10 *
11 * This program is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License as published by the
13 * Free Software Foundation; either version 2 of the License, or (at your
14 * option) any later version.
15 *
Linus Torvalds1da177e2005-04-16 15:20:36 -070016 */
17
18#ifdef __KERNEL__
19#ifndef __BUBINGA_H__
20#define __BUBINGA_H__
21
Linus Torvalds1da177e2005-04-16 15:20:36 -070022#include <platforms/4xx/ibm405ep.h>
Matt Porter3e9e7c12005-11-07 00:58:15 -080023#include <asm/ppcboot.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070024
25/* Memory map for the Bubinga board.
26 * Generic 4xx plus RTC.
27 */
28
Linus Torvalds1da177e2005-04-16 15:20:36 -070029#define BUBINGA_RTC_PADDR ((uint)0xf0000000)
30#define BUBINGA_RTC_VADDR BUBINGA_RTC_PADDR
31#define BUBINGA_RTC_SIZE ((uint)8*1024)
32
33/* The UART clock is based off an internal clock -
34 * define BASE_BAUD based on the internal clock and divider(s).
35 * Since BASE_BAUD must be a constant, we will initialize it
36 * using clock/divider values which OpenBIOS initializes
37 * for typical configurations at various CPU speeds.
38 * The base baud is calculated as (FWDA / EXT UART DIV / 16)
39 */
Matt Porter3e9e7c12005-11-07 00:58:15 -080040#define BASE_BAUD 0
Linus Torvalds1da177e2005-04-16 15:20:36 -070041
Matt Porter3e9e7c12005-11-07 00:58:15 -080042/* Flash */
43#define PPC40x_FPGA_BASE 0xF0300000
44#define PPC40x_FPGA_REG_OFFS 1 /* offset to flash map reg */
45#define PPC40x_FLASH_ONBD_N(x) (x & 0x02)
46#define PPC40x_FLASH_SRAM_SEL(x) (x & 0x01)
47#define PPC40x_FLASH_LOW 0xFFF00000
48#define PPC40x_FLASH_HIGH 0xFFF80000
49#define PPC40x_FLASH_SIZE 0x80000
Linus Torvalds1da177e2005-04-16 15:20:36 -070050
Matt Porter3e9e7c12005-11-07 00:58:15 -080051#define PPC4xx_MACHINE_NAME "IBM Bubinga"
Linus Torvalds1da177e2005-04-16 15:20:36 -070052
Linus Torvalds1da177e2005-04-16 15:20:36 -070053#endif /* __BUBINGA_H__ */
54#endif /* __KERNEL__ */