arm, davinci: add workaround for not resetting DMA bus and VPSS modules
The Buffer Logic of VPSS is Not Reset by System Reset Pin, see
http://www.ti.com/lit/er/sprz316b/sprz316b.pdf chapter Advisory 1.2.1
on page 9. Add workaroundcode proposed in the errata.
Signed-off-by: Heiko Schocher <hs@denx.de>
Cc: Sandeep Paulraj <s-paulraj@ti.com>
Cc: Tom Rini <tom.rini@gmail.com>
diff --git a/arch/arm/include/asm/arch-davinci/timer_defs.h b/arch/arm/include/asm/arch-davinci/timer_defs.h
index 53c961e..49b9e24 100644
--- a/arch/arm/include/asm/arch-davinci/timer_defs.h
+++ b/arch/arm/include/asm/arch-davinci/timer_defs.h
@@ -37,6 +37,9 @@
u_int32_t wdtcr;
};
+#define DV_WDT_ENABLE_SYS_RESET 0x00020000
+#define DV_WDT_TRIGGER_SYS_RESET 0x00020002
+
#ifdef CONFIG_HW_WATCHDOG
void davinci_hw_watchdog_enable(void);
void davinci_hw_watchdog_reset(void);