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-rw-r--r--board/lwmon5/lwmon5.c27
-rw-r--r--include/configs/lwmon5.h15
2 files changed, 36 insertions, 6 deletions
diff --git a/board/lwmon5/lwmon5.c b/board/lwmon5/lwmon5.c
index 0958194..77f9989 100644
--- a/board/lwmon5/lwmon5.c
+++ b/board/lwmon5/lwmon5.c
@@ -19,6 +19,7 @@
*/
#include <common.h>
+#include <command.h>
#include <ppc440.h>
#include <asm/processor.h>
#include <asm/gpio.h>
@@ -527,3 +528,29 @@ void hw_watchdog_reset(void)
val = gpio_read_out_bit(CFG_GPIO_WATCHDOG) == 0 ? 1 : 0;
gpio_write_bit(CFG_GPIO_WATCHDOG, val);
}
+
+int do_eeprom_wp(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ if (argc < 2) {
+ printf("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ }
+
+ if ((strcmp(argv[1], "on") == 0)) {
+ gpio_write_bit(CFG_GPIO_EEPROM_EXT_WP, 1);
+ } else if ((strcmp(argv[1], "off") == 0)) {
+ gpio_write_bit(CFG_GPIO_EEPROM_EXT_WP, 0);
+ } else {
+ printf("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ }
+
+
+ return 0;
+}
+
+U_BOOT_CMD(
+ eepromwp, 2, 0, do_eeprom_wp,
+ "eepromwp- eeprom write protect off/on\n",
+ "<on|off> - enable (on) or disable (off) I2C EEPROM write protect\n"
+);
diff --git a/include/configs/lwmon5.h b/include/configs/lwmon5.h
index 23b19ba..7b2def3 100644
--- a/include/configs/lwmon5.h
+++ b/include/configs/lwmon5.h
@@ -161,15 +161,16 @@
*----------------------------------------------------------------------*/
#define CONFIG_HARD_I2C 1 /* I2C with hardware support */
#undef CONFIG_SOFT_I2C /* I2C bit-banged */
-#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
+#define CFG_I2C_SPEED 100000 /* I2C speed and slave address */
#define CFG_I2C_SLAVE 0x7F
-#define CFG_I2C_MULTI_EEPROMS
-#define CFG_I2C_EEPROM_ADDR (0xa8>>1)
-#define CFG_I2C_EEPROM_ADDR_LEN 1
+#define CFG_I2C_EEPROM_ADDR 0x53 /* EEPROM AT24C128 */
+#define CFG_I2C_EEPROM_ADDR_LEN 2 /* Bytes of address */
+#define CFG_EEPROM_PAGE_WRITE_BITS 6 /* The Atmel AT24C128 has */
+ /* 64 byte page write mode using*/
+ /* last 6 bits of the address */
+#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
#define CFG_EEPROM_PAGE_WRITE_ENABLE
-#define CFG_EEPROM_PAGE_WRITE_BITS 3
-#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10
#define CONFIG_RTC_PCF8563 1 /* enable Philips PCF8563 RTC */
#define CFG_I2C_RTC_ADDR 0x51 /* Philips PCF8563 RTC address */
@@ -397,6 +398,8 @@
#define CFG_GPIO_PHY1_RST 12
#define CFG_GPIO_FLASH_WP 14
#define CFG_GPIO_PHY0_RST 22
+#define CFG_GPIO_EEPROM_EXT_WP 55
+#define CFG_GPIO_EEPROM_INT_WP 57
#define CFG_GPIO_WATCHDOG 58
#define CFG_GPIO_LIME_S 59
#define CFG_GPIO_LIME_RST 60