From 8e048c438e20ec89b49da5f085f8f756eba6e587 Mon Sep 17 00:00:00 2001 From: Matthias Fuchs Date: Fri, 25 Apr 2008 12:01:39 +0200 Subject: [PATCH] ppc4xx: Add bootcount limit handling for APC405 boards Signed-off-by: Matthias Fuchs --- board/esd/apc405/apc405.c | 7 ++++++- include/configs/APC405.h | 14 ++++++++++++-- 2 files changed, 18 insertions(+), 3 deletions(-) diff --git a/board/esd/apc405/apc405.c b/board/esd/apc405/apc405.c index b663184..2cb743e 100644 --- a/board/esd/apc405/apc405.c +++ b/board/esd/apc405/apc405.c @@ -385,11 +385,16 @@ int misc_init_r(void) } out_be16((u16 *)(FUJI_BASE + LCDBL_PWM), 0xff); - if (getenv("usb_self") == NULL) { + /* + * fix environment for field updated units + */ + if (getenv("altbootcmd") == NULL) { setenv("usb_load", CFG_USB_LOAD_COMMAND); setenv("usbargs", CFG_USB_ARGS); setenv("bootcmd", CONFIG_BOOTCOMMAND); setenv("usb_self", CFG_USB_SELF_COMMAND); + setenv("bootlimit", CFG_BOOTLIMIT); + setenv("altbootcmd", CFG_ALT_BOOTCOMMAND); saveenv(); } diff --git a/include/configs/APC405.h b/include/configs/APC405.h index e2ab39d..8ad33f1 100644 --- a/include/configs/APC405.h +++ b/include/configs/APC405.h @@ -48,6 +48,7 @@ #define CONFIG_BAUDRATE 115200 #define CONFIG_BOOTDELAY 1 /* autoboot after 3 seconds */ +#define CONFIG_BOOTCOUNT_LIMIT 1 #undef CONFIG_BOOTARGS @@ -57,6 +58,8 @@ "run ramargs addip addcon usbargs;" \ "bootm 200000 300000" #define CFG_USB_ARGS "setenv bootargs $(bootargs) usbboot=1" +#define CFG_BOOTLIMIT "3" +#define CFG_ALT_BOOTCOMMAND "run usb_self;reset" #define CONFIG_EXTRA_ENV_SETTINGS \ "hostname=abg405\0" \ @@ -88,8 +91,10 @@ "usb_load="CFG_USB_LOAD_COMMAND"\0" \ "usb_self="CFG_USB_SELF_COMMAND"\0" \ "usbargs="CFG_USB_ARGS"\0" \ + "bootlimit="CFG_BOOTLIMIT"\0" \ + "altbootcmd="CFG_ALT_BOOTCOMMAND"\0" \ "" -#define CONFIG_BOOTCOMMAND "run flash_self;run usb_self" +#define CONFIG_BOOTCOMMAND "run flash_self;reset" #define CONFIG_ETHADDR 00:02:27:8e:00:00 @@ -414,7 +419,12 @@ extern int flash_banks; #define CFG_INIT_RAM_END CFG_OCM_DATA_SIZE /* End of used area in RAM */ #define CFG_GBL_DATA_SIZE 128 /* reserved bytes for initial data */ #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) -#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET +/* reserve some memory for BOOT limit info */ +#define CFG_INIT_SP_OFFSET (CFG_GBL_DATA_OFFSET - 16) + +#ifdef CONFIG_BOOTCOUNT_LIMIT /* reserve 2 word for bootcount limit */ +#define CFG_BOOTCOUNT_ADDR (CFG_GBL_DATA_OFFSET - 8) +#endif /* * Internal Definitions