GitHub-Mirror/u-boot
2
0
Fork 0
mirror of https://github.com/Fishwaldo/u-boot.git synced 2025-04-01 12:01:31 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

xpedite1k: Store environment in flash

Browse source 
Previously an I2C EEPROM was used.  The EEPROM had size, reliability,
and access issues which are resolved by storing the environment in
flash.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Peter Tyser 2009-07-17 19:01:10 -05:00 • committed by Stefan Roese
parent b88da157f9
commit 767e32ad36
1 changed files with 9 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
include/configs/XPEDITE1K.h
View file

@ -129,10 +129,15 @@ extern void out32(unsigned int, unsigned long);
#define CONFIG_SYS_I2C_SLAVE 0x7f
#define CONFIG_SYS_I2C_NOPROBES {0x55,0x56,0x57,0x58,0x59,0x5a,0x5b,0x5c,0x69}
/* Environment */
#define CONFIG_ENV_IS_IN_EEPROM 1
#define CONFIG_ENV_SIZE 0x100 /* Size of Environment vars */
#define CONFIG_ENV_OFFSET 0x100
/*
* Environment Configuration
*/
#define CONFIG_ENV_IS_IN_FLASH 1
#define CONFIG_ENV_SECT_SIZE 0x20000 /* 128k (one sector) for env */
#define CONFIG_ENV_SIZE 0x8000
#define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - (256 * 1024))
/* EEPROM */
#define CONFIG_SYS_I2C_EEPROM_ADDR 0x50
#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1
#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 3