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Feed the watchdog in u-boot for 8610 board.

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The watchdog on 8610 board is enabled by setting sw[6]
to on. Once enabled, the watchdog can not be disabled
by software. So feed the dog in u-boot is necessary for
normal operation.

Signed-off-by: Jason Jin <Jason.jin@freescale.com>
This commit is contained in:
Jason Jin
2008-05-13 11:50:36 +08:00
committed by Jon Loeliger
parent a036b04436
commit 3473ab7372
4 changed files with 32 additions and 2 deletions
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16
include/asm-ppc/immap_86xx.h
View File

@@ -1304,9 +1304,21 @@ typedef struct ccsr_gur {
uint lynxdcr1; /* 0xe0f08 - Lynx debug control register 1*/
int res14[6];
uint ddrioovcr; /* 0xe0f24 - DDR IO Overdrive Control register */
char res15[61656];
char res15[216];
} ccsr_gur_t;
/*
* Watchdog register block(0xe_4000-0xe_4fff)
*/
typedef struct ccsr_wdt {
uint res0;
uint swcrr; /* System watchdog control register */
uint swcnr; /* System watchdog count register */
char res1[2];
ushort swsrr; /* System watchdog service register */
char res2[4080];
} ccsr_wdt_t;
typedef struct immap {
ccsr_local_mcm_t im_local_mcm;
ccsr_ddr_t im_ddr1;
@@ -1330,6 +1342,8 @@ typedef struct immap {
char res5[389120];
ccsr_rio_t im_rio;
ccsr_gur_t im_gur;
char res6[12288];
ccsr_wdt_t im_wdt;
} immap_t;
extern immap_t *immr;

3
include/configs/MPC8610HPCD.h
View File

@@ -485,7 +485,8 @@
#endif
#undef CONFIG_WATCHDOG /* watchdog disabled */
#define CONFIG_WATCHDOG /* watchdog enabled */
#define CFG_WATCHDOG_FREQ 5000 /* Feed interval, 5s */
/*DIU Configuration*/
#define DIU_CONNECT_TO_DVI /* DIU controller connects to DVI encoder*/