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path: root/drivers/usb/musb/omap2430.c
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Diffstat (limited to 'drivers/usb/musb/omap2430.c')
-rw-r--r--drivers/usb/musb/omap2430.c48
1 files changed, 33 insertions, 15 deletions
diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
index 83beeac5e7b..3fe16867b5a 100644
--- a/drivers/usb/musb/omap2430.c
+++ b/drivers/usb/musb/omap2430.c
@@ -220,7 +220,7 @@ int __init musb_platform_init(struct musb *musb)
musb_platform_resume(musb);
- l = omap_readl(OTG_SYSCONFIG);
+ l = musb_readl(musb->mregs, OTG_SYSCONFIG);
l &= ~ENABLEWAKEUP; /* disable wakeup */
l &= ~NOSTDBY; /* remove possible nostdby */
l |= SMARTSTDBY; /* enable smart standby */
@@ -233,17 +233,19 @@ int __init musb_platform_init(struct musb *musb)
*/
if (!cpu_is_omap3430())
l |= AUTOIDLE; /* enable auto idle */
- omap_writel(l, OTG_SYSCONFIG);
+ musb_writel(musb->mregs, OTG_SYSCONFIG, l);
- l = omap_readl(OTG_INTERFSEL);
+ l = musb_readl(musb->mregs, OTG_INTERFSEL);
l |= ULPI_12PIN;
- omap_writel(l, OTG_INTERFSEL);
+ musb_writel(musb->mregs, OTG_INTERFSEL, l);
pr_debug("HS USB OTG: revision 0x%x, sysconfig 0x%02x, "
"sysstatus 0x%x, intrfsel 0x%x, simenable 0x%x\n",
- omap_readl(OTG_REVISION), omap_readl(OTG_SYSCONFIG),
- omap_readl(OTG_SYSSTATUS), omap_readl(OTG_INTERFSEL),
- omap_readl(OTG_SIMENABLE));
+ musb_readl(musb->mregs, OTG_REVISION),
+ musb_readl(musb->mregs, OTG_SYSCONFIG),
+ musb_readl(musb->mregs, OTG_SYSSTATUS),
+ musb_readl(musb->mregs, OTG_INTERFSEL),
+ musb_readl(musb->mregs, OTG_SIMENABLE));
omap_vbus_power(musb, musb->board_mode == MUSB_HOST, 1);
@@ -255,6 +257,22 @@ int __init musb_platform_init(struct musb *musb)
return 0;
}
+#ifdef CONFIG_PM
+void musb_platform_save_context(struct musb *musb,
+ struct musb_context_registers *musb_context)
+{
+ musb_context->otg_sysconfig = musb_readl(musb->mregs, OTG_SYSCONFIG);
+ musb_context->otg_forcestandby = musb_readl(musb->mregs, OTG_FORCESTDBY);
+}
+
+void musb_platform_restore_context(struct musb *musb,
+ struct musb_context_registers *musb_context)
+{
+ musb_writel(musb->mregs, OTG_SYSCONFIG, musb_context->otg_sysconfig);
+ musb_writel(musb->mregs, OTG_FORCESTDBY, musb_context->otg_forcestandby);
+}
+#endif
+
int musb_platform_suspend(struct musb *musb)
{
u32 l;
@@ -263,13 +281,13 @@ int musb_platform_suspend(struct musb *musb)
return 0;
/* in any role */
- l = omap_readl(OTG_FORCESTDBY);
+ l = musb_readl(musb->mregs, OTG_FORCESTDBY);
l |= ENABLEFORCE; /* enable MSTANDBY */
- omap_writel(l, OTG_FORCESTDBY);
+ musb_writel(musb->mregs, OTG_FORCESTDBY, l);
- l = omap_readl(OTG_SYSCONFIG);
+ l = musb_readl(musb->mregs, OTG_SYSCONFIG);
l |= ENABLEWAKEUP; /* enable wakeup */
- omap_writel(l, OTG_SYSCONFIG);
+ musb_writel(musb->mregs, OTG_SYSCONFIG, l);
otg_set_suspend(musb->xceiv, 1);
@@ -295,13 +313,13 @@ static int musb_platform_resume(struct musb *musb)
else
clk_enable(musb->clock);
- l = omap_readl(OTG_SYSCONFIG);
+ l = musb_readl(musb->mregs, OTG_SYSCONFIG);
l &= ~ENABLEWAKEUP; /* disable wakeup */
- omap_writel(l, OTG_SYSCONFIG);
+ musb_writel(musb->mregs, OTG_SYSCONFIG, l);
- l = omap_readl(OTG_FORCESTDBY);
+ l = musb_readl(musb->mregs, OTG_FORCESTDBY);
l &= ~ENABLEFORCE; /* disable MSTANDBY */
- omap_writel(l, OTG_FORCESTDBY);
+ musb_writel(musb->mregs, OTG_FORCESTDBY, l);
return 0;
}