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Diffstat (limited to 'arch/arm/plat-omap/usb.c')
-rw-r--r--arch/arm/plat-omap/usb.c67
1 files changed, 51 insertions, 16 deletions
diff --git a/arch/arm/plat-omap/usb.c b/arch/arm/plat-omap/usb.c
index a5aedf964b88..a619475c4b76 100644
--- a/arch/arm/plat-omap/usb.c
+++ b/arch/arm/plat-omap/usb.c
@@ -33,6 +33,7 @@
#include <asm/system.h>
#include <asm/hardware.h>
+#include <asm/arch/control.h>
#include <asm/arch/mux.h>
#include <asm/arch/usb.h>
#include <asm/arch/board.h>
@@ -76,7 +77,7 @@
/*-------------------------------------------------------------------------*/
-#ifdef CONFIG_ARCH_OMAP_OTG
+#if defined(CONFIG_ARCH_OMAP_OTG) || defined(CONFIG_USB_MUSB_OTG)
static struct otg_transceiver *xceiv;
@@ -110,12 +111,48 @@ EXPORT_SYMBOL(otg_set_transceiver);
#if defined(CONFIG_ARCH_OMAP_OTG) || defined(CONFIG_ARCH_OMAP15XX)
+static void omap2_usb_devconf_clear(u8 port, u32 mask)
+{
+ u32 r;
+
+ r = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
+ r &= ~USBTXWRMODEI(port, mask);
+ omap_ctrl_writel(r, OMAP2_CONTROL_DEVCONF0);
+}
+
+static void omap2_usb_devconf_set(u8 port, u32 mask)
+{
+ u32 r;
+
+ r = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
+ r |= USBTXWRMODEI(port, mask);
+ omap_ctrl_writel(r, OMAP2_CONTROL_DEVCONF0);
+}
+
+static void omap2_usb2_disable_5pinbitll(void)
+{
+ u32 r;
+
+ r = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
+ r &= ~(USBTXWRMODEI(2, USB_BIDIR_TLL) | USBT2TLL5PI);
+ omap_ctrl_writel(r, OMAP2_CONTROL_DEVCONF0);
+}
+
+static void omap2_usb2_enable_5pinunitll(void)
+{
+ u32 r;
+
+ r = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
+ r |= USBTXWRMODEI(2, USB_UNIDIR_TLL) | USBT2TLL5PI;
+ omap_ctrl_writel(r, OMAP2_CONTROL_DEVCONF0);
+}
+
static u32 __init omap_usb0_init(unsigned nwires, unsigned is_device)
{
u32 syscon1 = 0;
if (cpu_is_omap24xx())
- CONTROL_DEVCONF_REG &= ~USBT0WRMODEI(USB_BIDIR_TLL);
+ omap2_usb_devconf_clear(0, USB_BIDIR_TLL);
if (nwires == 0) {
if (cpu_class_is_omap1() && !cpu_is_omap15xx()) {
@@ -187,19 +224,19 @@ static u32 __init omap_usb0_init(unsigned nwires, unsigned is_device)
case 3:
syscon1 = 2;
if (cpu_is_omap24xx())
- CONTROL_DEVCONF_REG |= USBT0WRMODEI(USB_BIDIR);
+ omap2_usb_devconf_set(0, USB_BIDIR);
break;
case 4:
syscon1 = 1;
if (cpu_is_omap24xx())
- CONTROL_DEVCONF_REG |= USBT0WRMODEI(USB_BIDIR);
+ omap2_usb_devconf_set(0, USB_BIDIR);
break;
case 6:
syscon1 = 3;
if (cpu_is_omap24xx()) {
omap_cfg_reg(J19_24XX_USB0_VP);
omap_cfg_reg(K20_24XX_USB0_VM);
- CONTROL_DEVCONF_REG |= USBT0WRMODEI(USB_UNIDIR);
+ omap2_usb_devconf_set(0, USB_UNIDIR);
} else {
omap_cfg_reg(AA9_USB0_VP);
omap_cfg_reg(R9_USB0_VM);
@@ -220,7 +257,7 @@ static u32 __init omap_usb1_init(unsigned nwires)
if (cpu_class_is_omap1() && !cpu_is_omap15xx() && nwires != 6)
USB_TRANSCEIVER_CTRL_REG &= ~CONF_USB1_UNI_R;
if (cpu_is_omap24xx())
- CONTROL_DEVCONF_REG &= ~USBT1WRMODEI(USB_BIDIR_TLL);
+ omap2_usb_devconf_clear(1, USB_BIDIR_TLL);
if (nwires == 0)
return 0;
@@ -261,17 +298,17 @@ static u32 __init omap_usb1_init(unsigned nwires)
* this TLL link is not using DP/DM
*/
syscon1 = 1;
- CONTROL_DEVCONF_REG |= USBT1WRMODEI(USB_BIDIR_TLL);
+ omap2_usb_devconf_set(1, USB_BIDIR_TLL);
break;
case 3:
syscon1 = 2;
if (cpu_is_omap24xx())
- CONTROL_DEVCONF_REG |= USBT1WRMODEI(USB_BIDIR);
+ omap2_usb_devconf_set(1, USB_BIDIR);
break;
case 4:
syscon1 = 1;
if (cpu_is_omap24xx())
- CONTROL_DEVCONF_REG |= USBT1WRMODEI(USB_BIDIR);
+ omap2_usb_devconf_set(1, USB_BIDIR);
break;
case 6:
if (cpu_is_omap24xx())
@@ -295,8 +332,7 @@ static u32 __init omap_usb2_init(unsigned nwires, unsigned alt_pingroup)
u32 syscon1 = 0;
if (cpu_is_omap24xx()) {
- CONTROL_DEVCONF_REG &= ~(USBT2WRMODEI(USB_BIDIR_TLL)
- | USBT2TLL5PI);
+ omap2_usb2_disable_5pinbitll();
alt_pingroup = 0;
}
@@ -343,17 +379,17 @@ static u32 __init omap_usb2_init(unsigned nwires, unsigned alt_pingroup)
* this TLL link is not using DP/DM
*/
syscon1 = 1;
- CONTROL_DEVCONF_REG |= USBT2WRMODEI(USB_BIDIR_TLL);
+ omap2_usb_devconf_set(2, USB_BIDIR_TLL);
break;
case 3:
syscon1 = 2;
if (cpu_is_omap24xx())
- CONTROL_DEVCONF_REG |= USBT2WRMODEI(USB_BIDIR);
+ omap2_usb_devconf_set(2, USB_BIDIR);
break;
case 4:
syscon1 = 1;
if (cpu_is_omap24xx())
- CONTROL_DEVCONF_REG |= USBT2WRMODEI(USB_BIDIR);
+ omap2_usb_devconf_set(2, USB_BIDIR);
break;
case 5:
if (!cpu_is_omap24xx())
@@ -364,8 +400,7 @@ static u32 __init omap_usb2_init(unsigned nwires, unsigned alt_pingroup)
* set up OTG_SYSCON2.HMC_TLL{ATTACH,SPEED}
*/
syscon1 = 3;
- CONTROL_DEVCONF_REG |= USBT2WRMODEI(USB_UNIDIR_TLL)
- | USBT2TLL5PI;
+ omap2_usb2_enable_5pinunitll();
break;
case 6:
if (cpu_is_omap24xx())
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