mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-30 00:21:06 +00:00
b87dfd2854
The TB5200 ("Tinybox") is a small baseboard for the TQM5200 module
integrated in a little aluminium case.
Patch by Martin Krause, 8 Jun 2006
Some code cleanup
96 lines
2.4 KiB
C
96 lines
2.4 KiB
C
/* By Thomas.Lange@Corelatus.com 001025 */
|
|
/* Definitions for EEPROM/VOLT METER DS2438 */
|
|
/* Copyright (C) 2000-2005 Corelatus AB */
|
|
|
|
/* 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
|
|
*/
|
|
|
|
#ifndef INCeedevh
|
|
#define INCeedevh
|
|
|
|
#define E_DEBUG(fmt,args...) if( Debug ) printk(KERN_DEBUG"EE: " fmt, ##args)
|
|
|
|
/* MIPS */
|
|
#define WRITE_PORT(Value) write_gpio_data(Value)
|
|
|
|
#define READ_PORT (gpio_read()&GPIO_EEDQ)
|
|
|
|
/* 64 bytes chip */
|
|
#define EE_CHIP_SIZE 64
|
|
|
|
/* Board with new current resistor */
|
|
#define EE_GTH_0304 1
|
|
|
|
/* new dsp and 64 MB SDRAM */
|
|
#define EE_DSP_64 0x10
|
|
|
|
/* microsecs */
|
|
/* Pull line down at least this long for reset pulse */
|
|
#define RESET_LOW_TIME 490
|
|
|
|
/* Read presence pulse after we release reset pulse */
|
|
#define PRESENCE_TIMEOUT 100
|
|
#define PRESENCE_LOW_TIME 200
|
|
|
|
#define WRITE_0_LOW 60
|
|
#define WRITE_1_LOW 1
|
|
#define TOTAL_WRITE_LOW 60
|
|
|
|
#define READ_LOW 1
|
|
#define READ_TIMEOUT 10
|
|
#define TOTAL_READ_LOW 70
|
|
|
|
/* Rom function commands */
|
|
#define READ_ROM 0x33
|
|
#define MATCH_ROM 0x55
|
|
#define SKIP_ROM 0xCC
|
|
#define SEARCH_ROM 0xF0
|
|
|
|
|
|
/* Memory_command_function */
|
|
#define WRITE_SCRATCHPAD 0x4E
|
|
#define READ_SCRATCHPAD 0xBE
|
|
#define COPY_SCRATCHPAD 0x48
|
|
#define RECALL_MEMORY 0xB8
|
|
#define CONVERT_TEMP 0x44
|
|
#define CONVERT_VOLTAGE 0xB4
|
|
|
|
/* Chip is divided in 8 pages, 8 bytes each */
|
|
|
|
#define EE_PAGE_SIZE 8
|
|
|
|
/* All chip data we want are in page 0 */
|
|
|
|
/* Bytes in page 0 */
|
|
#define EE_P0_STATUS 0
|
|
#define EE_P0_TEMP_LSB 1
|
|
#define EE_P0_TEMP_MSB 2
|
|
#define EE_P0_VOLT_LSB 3
|
|
#define EE_P0_VOLT_MSB 4
|
|
#define EE_P0_CURRENT_LSB 5
|
|
#define EE_P0_CURRENT_MSB 6
|
|
|
|
|
|
/* 40 byte user data is located at page 3-7 */
|
|
#define EE_USER_PAGE_0 3
|
|
#define USER_PAGES 5
|
|
|
|
/* Layout of gth user pages usage */
|
|
/* Bytes 0-16 ethernet addr in ascii ( len 17 ) */
|
|
|
|
#define EE_ETHERNET_OFFSET 0
|
|
|
|
#endif /* INCeedevh */
|