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authorMichal Simek <michal.simek@xilinx.com>2013-04-22 11:23:16 +0200
committerMichal Simek <michal.simek@xilinx.com>2013-04-30 11:22:43 +0200
commit0f21f98dd4d6bff72df4eeaca4163779896cb336 (patch)
tree796651fceccc2d19ce2ba1e38156491dca8d6b0c /board/xilinx
parent8848668e136cccb30229b5e1484d41e0b5a6830a (diff)
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watchdog: Add support for Xilinx Microblaze watchdog
Watchdog can be used on Microblaze, PPC and Zynq hw designs. Signed-off-by: Michal Simek <michal.simek@xilinx.com> Reviewed-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'board/xilinx')
-rw-r--r--board/xilinx/microblaze-generic/microblaze-generic.c4
-rw-r--r--board/xilinx/microblaze-generic/xparameters.h4
2 files changed, 8 insertions, 0 deletions
diff --git a/board/xilinx/microblaze-generic/microblaze-generic.c b/board/xilinx/microblaze-generic/microblaze-generic.c
index 1af0b86..befbb3a 100644
--- a/board/xilinx/microblaze-generic/microblaze-generic.c
+++ b/board/xilinx/microblaze-generic/microblaze-generic.c
@@ -39,6 +39,10 @@ int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
++(*((unsigned long *)(CONFIG_SYS_GPIO_0_ADDR)));
#endif
+#ifdef CONFIG_XILINX_TB_WATCHDOG
+ hw_watchdog_disable();
+#endif
+
puts ("Reseting board\n");
__asm__ __volatile__ (" mts rmsr, r0;" \
"bra r0");
diff --git a/board/xilinx/microblaze-generic/xparameters.h b/board/xilinx/microblaze-generic/xparameters.h
index 50a82d9..c846f97 100644
--- a/board/xilinx/microblaze-generic/xparameters.h
+++ b/board/xilinx/microblaze-generic/xparameters.h
@@ -77,3 +77,7 @@
#define XILINX_LLTEMAC_SDMA_CTRL_BASEADDR 0x42000180
#define XILINX_LLTEMAC_BASEADDR1 0x44200000
#define XILINX_LLTEMAC_FIFO_BASEADDR1 0x42100000
+
+/* Watchdog IP is wxi_timebase_wdt_0 */
+#define XILINX_WATCHDOG_BASEADDR 0x50000000
+#define XILINX_WATCHDOG_IRQ 1