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omap: mailbox: correct OMAP4 SIDLEMODE logic

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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: Suman Anna <s-anna@ti.com>
Acked-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Suman Anna
2010-02-05 17:20:26 -06:00
committed by Tony Lindgren
parent a6a6022871
commit 4499ce4293
1 changed files with 6 additions and 1 deletions
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5
arch/arm/mach-omap2/mailbox.c
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@@ -41,6 +41,8 @@
#define SOFTRESET (1 << 1) #define SOFTRESET (1 << 1)
#define SMARTIDLE (2 << 3) #define SMARTIDLE (2 << 3)
#define OMAP4_SOFTRESET (1 << 0) #define OMAP4_SOFTRESET (1 << 0)
#define OMAP4_NOIDLE (1 << 2)
#define OMAP4_SMARTIDLE (2 << 2)
/* SYSSTATUS: register bit definition */ /* SYSSTATUS: register bit definition */
#define RESETDONE (1 << 0) #define RESETDONE (1 << 0)
@@ -131,6 +133,9 @@ static int omap2_mbox_startup(struct omap_mbox *mbox)
l = mbox_read_reg(MAILBOX_REVISION); l = mbox_read_reg(MAILBOX_REVISION);
pr_info("omap mailbox rev %d.%d\n", (l & 0xf0) >> 4, (l & 0x0f)); pr_info("omap mailbox rev %d.%d\n", (l & 0xf0) >> 4, (l & 0x0f));
if (cpu_is_omap44xx())
l = OMAP4_SMARTIDLE;
else
l = SMARTIDLE | AUTOIDLE; l = SMARTIDLE | AUTOIDLE;
mbox_write_reg(l, MAILBOX_SYSCONFIG); mbox_write_reg(l, MAILBOX_SYSCONFIG);