i2c, bootcount: add support for bootcounter on i2c devices
add support for bootcounter on an i2c device. And add a
README for all bootcounter options.
Signed-off-by: Heiko Schocher <hs@denx.de>
diff --git a/README b/README
index bfd89b0..f14364b 100644
--- a/README
+++ b/README
@@ -2855,6 +2855,26 @@
The signing part is build into mkimage regardless of this
option.
+- bootcount support:
+ CONFIG_BOOTCOUNT_LIMIT
+
+ This enables the bootcounter support, see:
+ http://www.denx.de/wiki/DULG/UBootBootCountLimit
+
+ CONFIG_AT91SAM9XE
+ enable special bootcounter support on at91sam9xe based boards.
+ CONFIG_BLACKFIN
+ enable special bootcounter support on blackfin based boards.
+ CONFIG_SOC_DA8XX
+ enable special bootcounter support on da850 based boards.
+ CONFIG_BOOTCOUNT_RAM
+ enable support for the bootcounter in RAM
+ CONFIG_BOOTCOUNT_I2C
+ enable support for the bootcounter on an i2c (like RTC) device.
+ CONFIG_SYS_I2C_RTC_ADDR = i2c chip address
+ CONFIG_SYS_BOOTCOUNT_ADDR = i2c addr which is used for
+ the bootcounter.
+ CONFIG_BOOTCOUNT_ALEN = address len
- Show boot progress:
CONFIG_SHOW_BOOT_PROGRESS