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Commit b90f8e72 authored by Tomi Valkeinen's avatar Tomi Valkeinen
Browse files

OMAP2: Add funcs for writing SMS_ROT_* registers 



SMS_ROT_* registers are used by VRFB rotation engine.

Signed-off-by: default avatarTomi Valkeinen <tomi.valkeinen@nokia.com>
Acked-by: default avatarTony Lindgren <tony@atomide.com>
Acked-by: default avatarPaul Walmsley <paul@pwsan.com>
parent 2b876f95

arch/arm/mach-omap2/sdrc.c

+16 −0
Original line number Diff line number Diff line
@@ -160,3 +160,19 @@ void __init omap2_sdrc_init(struct omap_sdrc_params *sdrc_cs0, 
	sdrc_write_reg(l, SDRC_POWER);

	omap2_sms_save_context();

}



void omap2_sms_write_rot_control(u32 val, unsigned ctx)

{

	sms_write_reg(val, SMS_ROT_CONTROL(ctx));

}



void omap2_sms_write_rot_size(u32 val, unsigned ctx)

{

	sms_write_reg(val, SMS_ROT_SIZE(ctx));

}



void omap2_sms_write_rot_physical_ba(u32 val, unsigned ctx)

{

	sms_write_reg(val, SMS_ROT_PHYSICAL_BA(ctx));

}

arch/arm/plat-omap/include/plat/sdrc.h

+8 −1
Original line number Diff line number Diff line
@@ -95,6 +95,9 @@ 
/* SMS register offsets - read/write with sms_{read,write}_reg() */



#define SMS_SYSCONFIG			0x010

#define SMS_ROT_CONTROL(context)	(0x180 + 0x10 * context)

#define SMS_ROT_SIZE(context)		(0x184 + 0x10 * context)

#define SMS_ROT_PHYSICAL_BA(context)	(0x188 + 0x10 * context)

/* REVISIT: fill in other SMS registers here */
@@ -129,6 +132,10 @@ int omap2_sdrc_get_params(unsigned long r, 
void omap2_sms_save_context(void);

void omap2_sms_restore_context(void);



void omap2_sms_write_rot_control(u32 val, unsigned ctx);

void omap2_sms_write_rot_size(u32 val, unsigned ctx);

void omap2_sms_write_rot_physical_ba(u32 val, unsigned ctx);



#ifdef CONFIG_ARCH_OMAP2



struct memory_timings {