From 3f84108b9946fa0d3bd7e9d7c17dda2da6c8216c Mon Sep 17 00:00:00 2001 From: Heiko Schocher Date: Sat, 14 Jan 2012 21:42:46 +0000 Subject: 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 Cc: Sandeep Paulraj Cc: Tom Rini --- arch/arm/include/asm/arch-davinci/timer_defs.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'arch/arm/include/asm/arch-davinci/timer_defs.h') diff --git a/arch/arm/include/asm/arch-davinci/timer_defs.h b/arch/arm/include/asm/arch-davinci/timer_defs.h index 53c961e8da..49b9e24956 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 @@ struct davinci_timer { 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); -- cgit v1.2.1