diff options
Diffstat (limited to 'arch/arm/mach-pxa/reset.c')
| -rw-r--r-- | arch/arm/mach-pxa/reset.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/arm/mach-pxa/reset.c b/arch/arm/mach-pxa/reset.c index 01e9d64..0e25348 100644 --- a/arch/arm/mach-pxa/reset.c +++ b/arch/arm/mach-pxa/reset.c @@ -12,6 +12,7 @@ #include <mach/regs-ost.h> #include <mach/reset.h> +#include <mach/smemc.h> unsigned int reset_status; EXPORT_SYMBOL(reset_status); @@ -79,6 +80,12 @@ static void do_hw_reset(void) OWER = OWER_WME; OSSR = OSSR_M3; OSMR3 = OSCR + 368640; /* ... in 100 ms */ + /* + * SDRAM hangs on watchdog reset on Marvell PXA270 (erratum 71) + * we put SDRAM into self-refresh to prevent that + */ + while (1) + writel_relaxed(MDREFR_SLFRSH, MDREFR); } void arch_reset(char mode, const char *cmd) @@ -99,4 +106,3 @@ void arch_reset(char mode, const char *cmd) break; } } - |