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authorwdenk <wdenk>2004-05-12 22:54:36 +0000
committerwdenk <wdenk>2004-05-12 22:54:36 +0000
commit02b11f8e096fde3fc891190c413014a63cdc37b3 (patch)
treea54ae384e4818c20966cd8710bc9d2fa27b3faf9 /cpu/mpc8xx
parent6c1362cf637ccaa89806edf70f000009672c509e (diff)
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Patch by Klaus Heydeck, 12 May 2004:
Using external watchdog for KUP4 boards in mpc8xx/cpu.c; load_sernum_ethaddr() for KUP4 boards in lib_ppc/board.c; various changes to KUP4 board specific files
Diffstat (limited to 'cpu/mpc8xx')
-rw-r--r--cpu/mpc8xx/cpu.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/cpu/mpc8xx/cpu.c b/cpu/mpc8xx/cpu.c
index 81d2047..d23d7ee 100644
--- a/cpu/mpc8xx/cpu.c
+++ b/cpu/mpc8xx/cpu.c
@@ -568,6 +568,17 @@ void reset_8xx_watchdog (volatile immap_t * immr)
immr->im_ioport.iop_paodr &= ~(WATCHDOG_BIT); /* active output */
immr->im_ioport.iop_padat ^= WATCHDOG_BIT; /* Toggle WDI */
+# elif defined(CONFIG_KUP4K) || defined(CONFIG_KUP4X)
+ /*
+ * The KUP4 boards uses a TPS3705 Watchdog
+ * with the trigger pin connected to port PA.5
+ */
+# define WATCHDOG_BIT 0x0400
+ immr->im_ioport.iop_papar &= ~(WATCHDOG_BIT); /* GPIO */
+ immr->im_ioport.iop_padir |= WATCHDOG_BIT; /* Output */
+ immr->im_ioport.iop_paodr &= ~(WATCHDOG_BIT); /* active output */
+
+ immr->im_ioport.iop_padat ^= WATCHDOG_BIT; /* Toggle WDI */
# else
/*
* All other boards use the MPC8xx Internal Watchdog