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am33xx: Make SoC bootcount driver have its own symbol

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Some am33xx boards may not use the RTC block for bootcount (as it may
not be wired up for the board) and use some other facility.  So add
another symbol for the bootcount driver for the IP block.

Acked-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Tom Rini <trini@ti.com>
This commit is contained in:
Tom Rini 2013-11-08 13:53:14 -05:00
parent ebc18afd0a
commit abcaa6ee2a
4 changed files with 11 additions and 3 deletions
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2
drivers/bootcount/Makefile
View file

@ -6,6 +6,6 @@ obj-y += bootcount.o
obj-$(CONFIG_AT91SAM9XE) += bootcount_at91.o
obj-$(CONFIG_BLACKFIN) += bootcount_blackfin.o
obj-$(CONFIG_SOC_DA8XX) += bootcount_davinci.o
obj-$(CONFIG_AM33XX) += bootcount_davinci.o
obj-$(CONFIG_BOOTCOUNT_AM33XX) += bootcount_davinci.o
obj-$(CONFIG_BOOTCOUNT_RAM) += bootcount_ram.o
obj-$(CONFIG_BOOTCOUNT_ENV) += bootcount_env.o

4
drivers/bootcount/bootcount_davinci.c
View file

@ -2,6 +2,10 @@
* (C) Copyright 2011
* Heiko Schocher, DENX Software Engineering, hs@denx.de.
*
* A bootcount driver for the RTC IP block found on many TI platforms.
* This requires the RTC clocks, etc, to be enabled prior to use and
* not all boards with this IP block on it will have the RTC in use.
*
* SPDX-License-Identifier: GPL-2.0+
*/

4
include/configs/am335x_evm.h
View file

@ -199,6 +199,10 @@
#define CONFIG_SPL_POWER_SUPPORT
#define CONFIG_SPL_YMODEM_SUPPORT
/* Bootcount using the RTC block */
#define CONFIG_BOOTCOUNT_LIMIT
#define CONFIG_BOOTCOUNT_AM33XX
/* CPSW support */
#define CONFIG_SPL_ETH_SUPPORT

4
include/configs/ti_am335x_common.h
View file

@ -43,9 +43,9 @@
/*
* RTC related defines. To use bootcount you must set bootlimit in the
* environment to a non-zero value.
* environment to a non-zero value and enable CONFIG_BOOTCOUNT_LIMIT
* in the board config.
*/
#define CONFIG_BOOTCOUNT_LIMIT
#define CONFIG_SYS_BOOTCOUNT_ADDR 0x44E3E000
/* Enable the HW watchdog, since we can use this with bootcount */