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barebox/include/configs/scb9328.h

148 lines
3.5 KiB
C

/*
* Copyright (C) 2003 ETC s.r.o.
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
* Written by Peter Figuli <peposh@etc.sk>, 2003.
*
* 2003/13/06 Initial MP10 Support copied from wepep250
*/
#ifndef __CONFIG_H
#define __CONFIG_H
#include <asm/mach-types.h>
#define CONFIG_ARCH_NUMBER MACH_TYPE_SCB9328
#define CONFIG_BOOT_PARAMS 0x08000100
#define CFG_CPUSPEED 0x141 /* core clock - register value */
/*
* Definitions related to passing arguments to kernel.
*/
#define CFG_MALLOC_LEN (4096 << 10)
#define CONFIG_STACKSIZE (120<<10) /* stack size */
/* CNC == 3 too long
#define CFG_CS5U_VAL 0x0000C210 */
/* #define CFG_CS5U_VAL 0x00008400
mal laenger mahcen, ob der bei 150MHz laenger haelt dann und
kaum langsamer ist */
/* #define CFG_CS5U_VAL 0x00009400
#define CFG_CS5L_VAL 0x11010D03 */
#define CONFIG_DM9000_BASE 0x16000000
#define DM9000_IO CONFIG_DM9000_BASE
#define DM9000_DATA (CONFIG_DM9000_BASE+4)
/* #define CONFIG_DM9000_USE_8BIT */
#define CONFIG_DM9000_USE_16BIT
/* #define CONFIG_DM9000_USE_32BIT */
/* f_{dpll}=2*f{ref}*(MFI+MFN/(MFD+1))/(PD+1)
f_ref=16,777MHz
0x002a141f: 191,9944MHz
0x040b2007: 144MHz
0x042a141f: 96MHz
0x0811140d: 64MHz
0x040e200e: 150MHz
0x00321431: 200MHz
0x08001800: 64MHz mit 16er Quarz
0x04001800: 96MHz mit 16er Quarz
0x04002400: 144MHz mit 16er Quarz
31 |x x x x|x x x x|x x x x|x x x x|x x x x|x x x x|x x x x|x x x x| 0
|XXX|--PD---|-------MFD---------|XXX|--MFI--|-----MFN-----------| */
#define CPU200
#ifdef CPU200
#define CFG_MPCTL0_VAL 0x00321431
#else
#define CFG_MPCTL0_VAL 0x040e200e
#endif
/* #define BUS64 */
#define BUS72
#ifdef BUS72
#define CFG_SPCTL0_VAL 0x04002400
#endif
#ifdef BUS96
#define CFG_SPCTL0_VAL 0x04001800
#endif
#ifdef BUS64
#define CFG_SPCTL0_VAL 0x08001800
#endif
/* Das ist der BCLK Divider, der aus der System PLL
BCLK und HCLK erzeugt:
31 | xxxx xxxx xxxx xxxx xx10 11xx xxxx xxxx | 0
0x2f008403 : 192MHz/2=96MHz, 144MHz/2=72MHz PRESC=1->BCLKDIV=2
0x2f008803 : 192MHz/3=64MHz, 240MHz/3=80MHz PRESC=1->BCLKDIV=2
0x2f001003 : 192MHz/5=38,4MHz
0x2f000003 : 64MHz/1
Bit 22: SPLL Restart
Bit 21: MPLL Restart */
#ifdef BUS64
#define CFG_CSCR_VAL 0x2f030003
#endif
#ifdef BUS72
#define CFG_CSCR_VAL 0x2f030403
#endif
#define MHZ16QUARZINUSE
#ifdef MHZ16QUARZINUSE
#define CONFIG_SYSPLL_CLK_FREQ 16000000
#else
#define CONFIG_SYSPLL_CLK_FREQ 16780000
#endif
#define CONFIG_SYS_CLK_FREQ 16780000
/* FMCR Bit 0 becomes 0 to make CS3 CS3 :P */
#define CFG_FMCR_VAL 0x00000001
/* Bit[0:3] contain PERCLK1DIV for UART 1
0x000b00b ->b<- -> 192MHz/12=16MHz
0x000b00b ->8<- -> 144MHz/09=16MHz
0x000b00b ->3<- -> 64MHz/4=16MHz */
#ifdef BUS96
#define CFG_PCDR_VAL 0x000b00b5
#endif
#ifdef BUS64
#define CFG_PCDR_VAL 0x000b00b3
#endif
#ifdef BUS72
#define CFG_PCDR_VAL 0x000b00b8
#endif
#endif /* __CONFIG_H */