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Commit 4499ce42 authored by Suman Anna's avatar Suman Anna Committed by Tony Lindgren
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omap: mailbox: correct OMAP4 SIDLEMODE logic 



OMAP4 mailbox has a different MAILBOX_SYSCONFIG register.
There is now no AutoIdle. The SIDLEMODE bits have been
right-shifted by 1 bit and now occupy bits 2 & 3.

Signed-off-by: default avatarSuman Anna <s-anna@ti.com>
Acked-by: default avatarHiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent a6a60228

arch/arm/mach-omap2/mailbox.c

+6 −1
Original line number Diff line number Diff line
@@ -41,6 +41,8 @@ 
#define SOFTRESET	(1 << 1)

#define SMARTIDLE	(2 << 3)

#define OMAP4_SOFTRESET	(1 << 0)

#define OMAP4_NOIDLE	(1 << 2)

#define OMAP4_SMARTIDLE	(2 << 2)



/* SYSSTATUS: register bit definition */

#define RESETDONE	(1 << 0)
@@ -131,6 +133,9 @@ static int omap2_mbox_startup(struct omap_mbox *mbox) 
	l = mbox_read_reg(MAILBOX_REVISION);

	pr_info("omap mailbox rev %d.%d\n", (l & 0xf0) >> 4, (l & 0x0f));



	if (cpu_is_omap44xx())

		l = OMAP4_SMARTIDLE;

	else

		l = SMARTIDLE | AUTOIDLE;

	mbox_write_reg(l, MAILBOX_SYSCONFIG);