
Hello Marek,
Am 10.11.2015 um 20:53 schrieb Marek Vasut:
Now that the only user of CONFIG_SYS_EEPROM_X40430 was removed, remove this unused code from cmd_eeprom.c
Signed-off-by: Marek Vasut marex@denx.de Cc: Tom Rini trini@konsulko.com Cc: Simon Glass sjg@chromium.org Cc: Heiko Schocher hs@denx.de
common/cmd_eeprom.c | 94 ----------------------------------------------------- 1 file changed, 94 deletions(-)
Reviewed-by: Heiko Schocher hs@denx.de
bye, Heiko
diff --git a/common/cmd_eeprom.c b/common/cmd_eeprom.c index 0b59bea..266f954 100644 --- a/common/cmd_eeprom.c +++ b/common/cmd_eeprom.c @@ -29,11 +29,6 @@ #define CONFIG_SYS_I2C_SPEED 50000 #endif
-/* Maximum number of times to poll for acknowledge after write */ -#if defined(CONFIG_SYS_EEPROM_X40430) -#define MAX_ACKNOWLEDGE_POLLS 10 -#endif
- /*
- 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.
@@ -141,14 +136,6 @@ int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cn unsigned blk_off; int rcode = 0;
-#if defined(CONFIG_SYS_EEPROM_X40430)
- uchar contr_r_addr[2];
- uchar addr_void[2];
- uchar contr_reg[2];
- uchar ctrl_reg_v;
- int i;
-#endif
- #if defined(CONFIG_SYS_EEPROM_WREN) eeprom_write_enable (dev_addr,1); #endif
@@ -213,88 +200,7 @@ int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cn #if defined(CONFIG_SPI) && !defined(CONFIG_ENV_EEPROM_IS_ON_I2C) spi_write (addr, alen, buffer, len); #else -#if defined(CONFIG_SYS_EEPROM_X40430)
/* Get the value of the control register.
* Set current address (internal pointer in the x40430)
* to 0x1ff.
*/
contr_r_addr[0] = 9;
contr_r_addr[1] = 0xff;
addr_void[0] = 0;
addr_void[1] = addr[1];
-#ifdef CONFIG_SYS_I2C_EEPROM_ADDR
contr_r_addr[0] |= CONFIG_SYS_I2C_EEPROM_ADDR;
addr_void[0] |= CONFIG_SYS_I2C_EEPROM_ADDR;
-#endif
contr_reg[0] = 0xff;
if (i2c_read (contr_r_addr[0], contr_r_addr[1], 1, contr_reg, 1) != 0) {
rcode = 1;
}
ctrl_reg_v = contr_reg[0];
/* Are any of the eeprom blocks write protected?
*/
if (ctrl_reg_v & 0x18) {
ctrl_reg_v &= ~0x18; /* reset block protect bits */
ctrl_reg_v |= 0x02; /* set write enable latch */
ctrl_reg_v &= ~0x04; /* clear RWEL */
/* Set write enable latch.
*/
contr_reg[0] = 0x02;
if (i2c_write (contr_r_addr[0], 0xff, 1, contr_reg, 1) != 0) {
rcode = 1;
}
/* Set register write enable latch.
*/
contr_reg[0] = 0x06;
if (i2c_write (contr_r_addr[0], 0xFF, 1, contr_reg, 1) != 0) {
rcode = 1;
}
/* Modify ctrl register.
*/
contr_reg[0] = ctrl_reg_v;
if (i2c_write (contr_r_addr[0], 0xFF, 1, contr_reg, 1) != 0) {
rcode = 1;
}
/* The write (above) is an operation on NV memory.
* These can take some time (~5ms), and the device
* will not respond to further I2C messages till
* it's completed the write.
* So poll device for an I2C acknowledge.
* When we get one we know we can continue with other
* operations.
*/
contr_reg[0] = 0;
for (i = 0; i < MAX_ACKNOWLEDGE_POLLS; i++) {
if (i2c_read (addr_void[0], addr_void[1], 1, contr_reg, 1) == 0)
break; /* got ack */
-#if defined(CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS)
udelay(CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS * 1000);
-#endif
}
if (i == MAX_ACKNOWLEDGE_POLLS) {
puts ("EEPROM poll acknowledge failed\n");
rcode = 1;
}
}
/* Is the write enable latch on?.
*/
else if (!(ctrl_reg_v & 0x02)) {
/* Set write enable latch.
*/
contr_reg[0] = 0x02;
if (i2c_write (contr_r_addr[0], 0xFF, 1, contr_reg, 1) != 0) {
rcode = 1;
}
}
/* Write is enabled ... now write eeprom value.
*/
-#endif #if defined(CONFIG_SYS_I2C_EEPROM_BUS) i2c_set_bus_num(CONFIG_SYS_I2C_EEPROM_BUS); #endif