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Diffstat (limited to 'arch/arm/plat-mxc/ehci.c')
-rw-r--r--arch/arm/plat-mxc/ehci.c77
1 files changed, 58 insertions, 19 deletions
diff --git a/arch/arm/plat-mxc/ehci.c b/arch/arm/plat-mxc/ehci.c
index 9915607683d..8772ce346a5 100644
--- a/arch/arm/plat-mxc/ehci.c
+++ b/arch/arm/plat-mxc/ehci.c
@@ -49,6 +49,7 @@
#define MXC_OTG_OFFSET 0
#define MXC_H1_OFFSET 0x200
+#define MXC_H2_OFFSET 0x400
/* USB_CTRL */
#define MXC_OTG_UCTRL_OWIE_BIT (1 << 27) /* OTG wakeup intr enable */
@@ -61,6 +62,11 @@
#define MXC_OTG_PHYCTRL_OC_DIS_BIT (1 << 8) /* OTG Disable Overcurrent Event */
#define MXC_H1_OC_DIS_BIT (1 << 5) /* UH1 Disable Overcurrent Event */
+/* USBH2CTRL */
+#define MXC_H2_UCTRL_H2UIE_BIT (1 << 8)
+#define MXC_H2_UCTRL_H2WIE_BIT (1 << 7)
+#define MXC_H2_UCTRL_H2PM_BIT (1 << 4)
+
#define MXC_USBCMD_OFFSET 0x140
/* USBCMD */
@@ -69,9 +75,9 @@
int mxc_initialize_usb_hw(int port, unsigned int flags)
{
unsigned int v;
-#if defined(CONFIG_ARCH_MX25)
+#if defined(CONFIG_SOC_IMX25)
if (cpu_is_mx25()) {
- v = readl(MX25_IO_ADDRESS(MX25_OTG_BASE_ADDR +
+ v = readl(MX25_IO_ADDRESS(MX25_USB_BASE_ADDR +
USBCTRL_OTGBASE_OFFSET));
switch (port) {
@@ -108,14 +114,14 @@ int mxc_initialize_usb_hw(int port, unsigned int flags)
return -EINVAL;
}
- writel(v, MX25_IO_ADDRESS(MX25_OTG_BASE_ADDR +
+ writel(v, MX25_IO_ADDRESS(MX25_USB_BASE_ADDR +
USBCTRL_OTGBASE_OFFSET));
return 0;
}
-#endif /* CONFIG_ARCH_MX25 */
+#endif /* if defined(CONFIG_SOC_IMX25) */
#if defined(CONFIG_ARCH_MX3)
if (cpu_is_mx31()) {
- v = readl(MX31_IO_ADDRESS(MX31_OTG_BASE_ADDR +
+ v = readl(MX31_IO_ADDRESS(MX31_USB_BASE_ADDR +
USBCTRL_OTGBASE_OFFSET));
switch (port) {
@@ -153,13 +159,13 @@ int mxc_initialize_usb_hw(int port, unsigned int flags)
return -EINVAL;
}
- writel(v, MX31_IO_ADDRESS(MX31_OTG_BASE_ADDR +
+ writel(v, MX31_IO_ADDRESS(MX31_USB_BASE_ADDR +
USBCTRL_OTGBASE_OFFSET));
return 0;
}
if (cpu_is_mx35()) {
- v = readl(MX35_IO_ADDRESS(MX35_OTG_BASE_ADDR +
+ v = readl(MX35_IO_ADDRESS(MX35_USB_BASE_ADDR +
USBCTRL_OTGBASE_OFFSET));
switch (port) {
@@ -196,7 +202,7 @@ int mxc_initialize_usb_hw(int port, unsigned int flags)
return -EINVAL;
}
- writel(v, MX35_IO_ADDRESS(MX35_OTG_BASE_ADDR +
+ writel(v, MX35_IO_ADDRESS(MX35_USB_BASE_ADDR +
USBCTRL_OTGBASE_OFFSET));
return 0;
}
@@ -206,7 +212,7 @@ int mxc_initialize_usb_hw(int port, unsigned int flags)
/* On i.MX27 we can use the i.MX31 USBCTRL bits, they
* are identical
*/
- v = readl(MX27_IO_ADDRESS(MX27_OTG_BASE_ADDR +
+ v = readl(MX27_IO_ADDRESS(MX27_USB_BASE_ADDR +
USBCTRL_OTGBASE_OFFSET));
switch (port) {
case 0: /* OTG port */
@@ -241,12 +247,12 @@ int mxc_initialize_usb_hw(int port, unsigned int flags)
default:
return -EINVAL;
}
- writel(v, MX27_IO_ADDRESS(MX27_OTG_BASE_ADDR +
+ writel(v, MX27_IO_ADDRESS(MX27_USB_BASE_ADDR +
USBCTRL_OTGBASE_OFFSET));
return 0;
}
#endif /* CONFIG_MACH_MX27 */
-#ifdef CONFIG_ARCH_MX51
+#ifdef CONFIG_SOC_IMX51
if (cpu_is_mx51()) {
void __iomem *usb_base;
void __iomem *usbotg_base;
@@ -254,6 +260,10 @@ int mxc_initialize_usb_hw(int port, unsigned int flags)
int ret = 0;
usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
+ if (!usb_base) {
+ printk(KERN_ERR "%s(): ioremap failed\n", __func__);
+ return -ENOMEM;
+ }
switch (port) {
case 0: /* OTG port */
@@ -262,6 +272,9 @@ int mxc_initialize_usb_hw(int port, unsigned int flags)
case 1: /* Host 1 port */
usbotg_base = usb_base + MXC_H1_OFFSET;
break;
+ case 2: /* Host 2 port */
+ usbotg_base = usb_base + MXC_H2_OFFSET;
+ break;
default:
printk(KERN_ERR"%s no such port %d\n", __func__, port);
ret = -ENOENT;
@@ -274,10 +287,13 @@ int mxc_initialize_usb_hw(int port, unsigned int flags)
if (flags & MXC_EHCI_INTERNAL_PHY) {
v = __raw_readl(usbother_base + MXC_USB_PHY_CTR_FUNC_OFFSET);
- if (flags & MXC_EHCI_POWER_PINS_ENABLED)
- v |= (MXC_OTG_PHYCTRL_OC_DIS_BIT | MXC_OTG_UCTRL_OPM_BIT); /* OC/USBPWR is not used */
- else
- v &= ~(MXC_OTG_PHYCTRL_OC_DIS_BIT | MXC_OTG_UCTRL_OPM_BIT); /* OC/USBPWR is used */
+ if (flags & MXC_EHCI_POWER_PINS_ENABLED) {
+ /* OC/USBPWR is not used */
+ v |= MXC_OTG_PHYCTRL_OC_DIS_BIT;
+ } else {
+ /* OC/USBPWR is used */
+ v &= ~MXC_OTG_PHYCTRL_OC_DIS_BIT;
+ }
__raw_writel(v, usbother_base + MXC_USB_PHY_CTR_FUNC_OFFSET);
v = __raw_readl(usbother_base + MXC_USBCTRL_OFFSET);
@@ -285,16 +301,23 @@ int mxc_initialize_usb_hw(int port, unsigned int flags)
v |= MXC_OTG_UCTRL_OWIE_BIT;/* OTG wakeup enable */
else
v &= ~MXC_OTG_UCTRL_OWIE_BIT;/* OTG wakeup disable */
+ if (flags & MXC_EHCI_POWER_PINS_ENABLED)
+ v |= MXC_OTG_UCTRL_OPM_BIT;
+ else
+ v &= ~MXC_OTG_UCTRL_OPM_BIT;
__raw_writel(v, usbother_base + MXC_USBCTRL_OFFSET);
}
break;
case 1: /* Host 1 */
/*Host ULPI */
v = __raw_readl(usbother_base + MXC_USBCTRL_OFFSET);
- if (flags & MXC_EHCI_WAKEUP_ENABLED)
- v &= ~(MXC_H1_UCTRL_H1WIE_BIT | MXC_H1_UCTRL_H1UIE_BIT);/* HOST1 wakeup/ULPI intr disable */
- else
- v &= ~(MXC_H1_UCTRL_H1WIE_BIT | MXC_H1_UCTRL_H1UIE_BIT);/* HOST1 wakeup/ULPI intr disable */
+ if (flags & MXC_EHCI_WAKEUP_ENABLED) {
+ /* HOST1 wakeup/ULPI intr enable */
+ v |= (MXC_H1_UCTRL_H1WIE_BIT | MXC_H1_UCTRL_H1UIE_BIT);
+ } else {
+ /* HOST1 wakeup/ULPI intr disable */
+ v &= ~(MXC_H1_UCTRL_H1WIE_BIT | MXC_H1_UCTRL_H1UIE_BIT);
+ }
if (flags & MXC_EHCI_POWER_PINS_ENABLED)
v &= ~MXC_H1_UCTRL_H1PM_BIT; /* HOST1 power mask used*/
@@ -315,6 +338,22 @@ int mxc_initialize_usb_hw(int port, unsigned int flags)
v &= MXC_UCMD_ITC_NO_THRESHOLD_MASK;
__raw_writel(v, usbotg_base + MXC_USBCMD_OFFSET);
break;
+ case 2: /* Host 2 ULPI */
+ v = __raw_readl(usbother_base + MXC_USBH2CTRL_OFFSET);
+ if (flags & MXC_EHCI_WAKEUP_ENABLED) {
+ /* HOST1 wakeup/ULPI intr enable */
+ v |= (MXC_H2_UCTRL_H2WIE_BIT | MXC_H2_UCTRL_H2UIE_BIT);
+ } else {
+ /* HOST1 wakeup/ULPI intr disable */
+ v &= ~(MXC_H2_UCTRL_H2WIE_BIT | MXC_H2_UCTRL_H2UIE_BIT);
+ }
+
+ if (flags & MXC_EHCI_POWER_PINS_ENABLED)
+ v &= ~MXC_H2_UCTRL_H2PM_BIT; /* HOST2 power mask used*/
+ else
+ v |= MXC_H2_UCTRL_H2PM_BIT; /* HOST2 power mask used*/
+ __raw_writel(v, usbother_base + MXC_USBH2CTRL_OFFSET);
+ break;
}
error:
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-25 05:37:17 +0000