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 <ma...@denx.de>
Cc: Masahiro Yamada <yamad...@jp.panasonic.com>
Cc: Tom Rini <tr...@ti.com>
Cc: Wolfgang Denk <w...@denx.de>
Cc: Simon Glass <s...@chromium.org>
Cc: Heiko Schocher <h...@denx.de>
---
common/cmd_eeprom.c | 95 -----------------------------------------------------
1 file changed, 95 deletions(-)
diff --git a/common/cmd_eeprom.c b/common/cmd_eeprom.c
index 67de730..b0acf11 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.
@@ -143,14 +138,6 @@ 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
@@ -215,88 +202,6 @@ 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 (i2c_write(addr[0], offset, alen - 1, buffer, len))
rcode = 1;
--
2.1.1
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