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Commit 136eb955 authored by David Brownell's avatar David Brownell Committed by Russell King
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[ARM] 5021/1: at91: buildfix for sam9263 + PM 



Build fix for power management on at91sam9263:  it has two memory
controllers instead of just one, so it might have two banks of
DRAM to put into selfrefresh mode.  For now we continue to assume
only the first bank is populated.

Signed-off-by: default avatarDavid Brownell <dbrownell@users.sourceforge.net>
Acked-by: default avatarAndrew Victor <linux@maxim.org.za>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent fe6cfde6

arch/arm/mach-at91/pm.c

+9 −5
Original line number Diff line number Diff line
@@ -61,6 +61,15 @@ static inline void sdram_selfrefresh_enable(void) 
#else

#include <asm/arch/at91sam9_sdramc.h>



#ifdef CONFIG_ARCH_AT91SAM9263

/*

 * FIXME either or both the SDRAM controllers (EB0, EB1) might be in use;

 * handle those cases both here and in the Suspend-To-RAM support.

 */

#define	AT91_SDRAMC	AT91_SDRAMC0

#warning Assuming EB1 SDRAM controller is *NOT* used

#endif



static u32 saved_lpr;



static inline void sdram_selfrefresh_enable(void)
@@ -75,11 +84,6 @@ static inline void sdram_selfrefresh_enable(void) 


#define sdram_selfrefresh_disable()	at91_sys_write(AT91_SDRAMC_LPR, saved_lpr)



/*

 * FIXME: The AT91SAM9263 has a second EBI controller which may have

 *        additional SDRAM.  pm_slowclock.S will require a similar fix.

 */



#endif