summaryrefslogtreecommitdiff
path: root/board/m501sk/eeprom.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/m501sk/eeprom.c')
-rw-r--r--board/m501sk/eeprom.c102
1 files changed, 0 insertions, 102 deletions
diff --git a/board/m501sk/eeprom.c b/board/m501sk/eeprom.c
deleted file mode 100644
index d1a46f3..0000000
--- a/board/m501sk/eeprom.c
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
- * Add by Alan Lu, 07-29-2005
- * For ATMEL AT24C16 EEPROM
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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
- */
-
-#include <common.h>
-#include <i2c.h>
-#ifdef CONFIG_SYS_EEPROM_AT24C16
-#undef DEBUG
-
-void eeprom_init(void)
-{
-#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
- i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
-#endif
-}
-
-int eeprom_read(unsigned dev_addr, unsigned offset, uchar *buffer,
- unsigned cnt)
-{
- int page, count = 0, i = 0;
- page = offset / 0x100;
- i = offset % 0x100;
-
- while (count < cnt) {
- if (i2c_read(dev_addr|page, i++, 1, buffer+count++, 1) != 0)
- return 1;
- if (i > 0xff) {
- page++;
- i = 0;
- }
- }
-
- return 0;
-}
-
-/*
- * 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.
- *
- * for CONFIG_SYS_I2C_EEPROM_ADDR_LEN == 1 (8-bit EEPROM page address) offset is
- * 0x00000nxx for EEPROM address selectors and page number at n.
- */
-int eeprom_write(unsigned dev_addr, unsigned offset, uchar *buffer,
- unsigned cnt)
-{
- int page, i = 0, count = 0;
-
- page = offset / 0x100;
- i = offset % 0x100;
-
- while (count < cnt) {
- if (i2c_write(dev_addr|page, i++, 1, buffer+count++, 1) != 0)
- return 1;
- if (i > 0xff) {
- page++;
- i = 0;
- }
- }
-
-#if defined(CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS)
- udelay(CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS * 1000);
-#endif
-
- return 0;
-}
-
-#ifndef CONFIG_SPI
-int eeprom_probe(unsigned dev_addr, unsigned offset)
-{
- unsigned char chip;
-
- /* Probe the chip address */
-#if CONFIG_SYS_I2C_EEPROM_ADDR_LEN == 1 && !defined(CONFIG_SPI_X)
- chip = offset >> 8; /* block number */
-#else
- chip = offset >> 16; /* block number */
-#endif /* CONFIG_SYS_I2C_EEPROM_ADDR_LEN, CONFIG_SPI_X */
-
- chip |= dev_addr; /* insert device address */
- return (i2c_probe(chip));
-}
-#endif
-#endif