diff options
Diffstat (limited to 'board/lwmon5/lwmon5.c')
| -rw-r--r-- | board/lwmon5/lwmon5.c | 27 |
1 files changed, 27 insertions, 0 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" +); |