eeprom: Pull out CONFIG_SYS_EEPROM_PAGE_WRITE_BITS

Implement default value of 8 for this macro and pull out all of
this macro out of the code. The default value of 8 actually does
implement exactly the same behavior as the previous code which
was in the #else clause of the ifdef.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Cc: Tom Rini <trini@konsulko.com>
Cc: Heiko Schocher <hs@denx.de>
Reviewed-by: Heiko Schocher <hs@denx.de>
This commit is contained in:
Marek Vasut 2015-11-10 20:53:28 +01:00 committed by Tom Rini
parent 8eee40a602
commit 6717e3c84f

View file

@ -33,6 +33,13 @@
#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 0
#endif
#ifndef CONFIG_SYS_EEPROM_PAGE_WRITE_BITS
#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 8
#endif
#define EEPROM_PAGE_SIZE (1 << CONFIG_SYS_EEPROM_PAGE_WRITE_BITS)
#define EEPROM_PAGE_OFFSET(x) ((x) & (EEPROM_PAGE_SIZE - 1))
/*
* for CONFIG_SYS_I2C_EEPROM_ADDR_LEN == 2 (16-bit EEPROM address) offset is
* 0x000nxxxx for EEPROM address selectors at n, offset xxxx in EEPROM.
@ -194,15 +201,8 @@ int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cn
*/
#if !defined(CONFIG_SYS_I2C_FRAM)
#if defined(CONFIG_SYS_EEPROM_PAGE_WRITE_BITS)
#define EEPROM_PAGE_SIZE (1 << CONFIG_SYS_EEPROM_PAGE_WRITE_BITS)
#define EEPROM_PAGE_OFFSET(x) ((x) & (EEPROM_PAGE_SIZE - 1))
maxlen = EEPROM_PAGE_SIZE - EEPROM_PAGE_OFFSET(blk_off);
#else
maxlen = 0x100 - blk_off;
#endif
if (maxlen > I2C_RXTX_LEN)
maxlen = I2C_RXTX_LEN;