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Diffstat (limited to 'arch/arm/plat-mxc/ehci.c')
-rw-r--r--arch/arm/plat-mxc/ehci.c122
1 files changed, 112 insertions, 10 deletions
diff --git a/arch/arm/plat-mxc/ehci.c b/arch/arm/plat-mxc/ehci.c
index 41599be882e8..cb0b63874482 100644
--- a/arch/arm/plat-mxc/ehci.c
+++ b/arch/arm/plat-mxc/ehci.c
@@ -25,25 +25,37 @@
#define USBCTRL_OTGBASE_OFFSET 0x600
#define MX31_OTG_SIC_SHIFT 29
-#define MX31_OTG_SIC_MASK (0xf << MX31_OTG_SIC_SHIFT)
+#define MX31_OTG_SIC_MASK (0x3 << MX31_OTG_SIC_SHIFT)
#define MX31_OTG_PM_BIT (1 << 24)
#define MX31_H2_SIC_SHIFT 21
-#define MX31_H2_SIC_MASK (0xf << MX31_H2_SIC_SHIFT)
+#define MX31_H2_SIC_MASK (0x3 << MX31_H2_SIC_SHIFT)
#define MX31_H2_PM_BIT (1 << 16)
#define MX31_H2_DT_BIT (1 << 5)
#define MX31_H1_SIC_SHIFT 13
-#define MX31_H1_SIC_MASK (0xf << MX31_H1_SIC_SHIFT)
+#define MX31_H1_SIC_MASK (0x3 << MX31_H1_SIC_SHIFT)
#define MX31_H1_PM_BIT (1 << 8)
#define MX31_H1_DT_BIT (1 << 4)
+#define MX35_OTG_SIC_SHIFT 29
+#define MX35_OTG_SIC_MASK (0x3 << MX35_OTG_SIC_SHIFT)
+#define MX35_OTG_PM_BIT (1 << 24)
+
+#define MX35_H1_SIC_SHIFT 21
+#define MX35_H1_SIC_MASK (0x3 << MX35_H1_SIC_SHIFT)
+#define MX35_H1_PM_BIT (1 << 8)
+#define MX35_H1_IPPUE_UP_BIT (1 << 7)
+#define MX35_H1_IPPUE_DOWN_BIT (1 << 6)
+#define MX35_H1_TLL_BIT (1 << 5)
+#define MX35_H1_USBTE_BIT (1 << 4)
+
int mxc_set_usbcontrol(int port, unsigned int flags)
{
unsigned int v;
-
+#ifdef CONFIG_ARCH_MX3
if (cpu_is_mx31()) {
- v = readl(IO_ADDRESS(MX31_OTG_BASE_ADDR +
+ v = readl(MX31_IO_ADDRESS(MX31_OTG_BASE_ADDR +
USBCTRL_OTGBASE_OFFSET));
switch (port) {
@@ -51,15 +63,15 @@ int mxc_set_usbcontrol(int port, unsigned int flags)
v &= ~(MX31_OTG_SIC_MASK | MX31_OTG_PM_BIT);
v |= (flags & MXC_EHCI_INTERFACE_MASK)
<< MX31_OTG_SIC_SHIFT;
- if (flags & MXC_EHCI_POWER_PINS_ENABLED)
+ if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
v |= MX31_OTG_PM_BIT;
break;
case 1: /* H1 port */
- v &= ~(MX31_H1_SIC_MASK | MX31_H1_PM_BIT);
+ v &= ~(MX31_H1_SIC_MASK | MX31_H1_PM_BIT | MX31_H1_DT_BIT);
v |= (flags & MXC_EHCI_INTERFACE_MASK)
<< MX31_H1_SIC_SHIFT;
- if (flags & MXC_EHCI_POWER_PINS_ENABLED)
+ if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
v |= MX31_H1_PM_BIT;
if (!(flags & MXC_EHCI_TTL_ENABLED))
@@ -67,7 +79,7 @@ int mxc_set_usbcontrol(int port, unsigned int flags)
break;
case 2: /* H2 port */
- v &= ~(MX31_H2_SIC_MASK | MX31_H2_PM_BIT);
+ v &= ~(MX31_H2_SIC_MASK | MX31_H2_PM_BIT | MX31_H2_DT_BIT);
v |= (flags & MXC_EHCI_INTERFACE_MASK)
<< MX31_H2_SIC_SHIFT;
if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
@@ -77,13 +89,103 @@ int mxc_set_usbcontrol(int port, unsigned int flags)
v |= MX31_H2_DT_BIT;
break;
+ default:
+ return -EINVAL;
}
- writel(v, IO_ADDRESS(MX31_OTG_BASE_ADDR +
+ writel(v, MX31_IO_ADDRESS(MX31_OTG_BASE_ADDR +
USBCTRL_OTGBASE_OFFSET));
return 0;
}
+ if (cpu_is_mx35()) {
+ v = readl(MX35_IO_ADDRESS(MX35_OTG_BASE_ADDR +
+ USBCTRL_OTGBASE_OFFSET));
+
+ switch (port) {
+ case 0: /* OTG port */
+ v &= ~(MX35_OTG_SIC_MASK | MX35_OTG_PM_BIT);
+ v |= (flags & MXC_EHCI_INTERFACE_MASK)
+ << MX35_OTG_SIC_SHIFT;
+ if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
+ v |= MX35_OTG_PM_BIT;
+
+ break;
+ case 1: /* H1 port */
+ v &= ~(MX35_H1_SIC_MASK | MX35_H1_PM_BIT | MX35_H1_TLL_BIT |
+ MX35_H1_USBTE_BIT | MX35_H1_IPPUE_DOWN_BIT | MX35_H1_IPPUE_UP_BIT);
+ v |= (flags & MXC_EHCI_INTERFACE_MASK)
+ << MX35_H1_SIC_SHIFT;
+ if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
+ v |= MX35_H1_PM_BIT;
+
+ if (!(flags & MXC_EHCI_TTL_ENABLED))
+ v |= MX35_H1_TLL_BIT;
+
+ if (flags & MXC_EHCI_INTERNAL_PHY)
+ v |= MX35_H1_USBTE_BIT;
+
+ if (flags & MXC_EHCI_IPPUE_DOWN)
+ v |= MX35_H1_IPPUE_DOWN_BIT;
+
+ if (flags & MXC_EHCI_IPPUE_UP)
+ v |= MX35_H1_IPPUE_UP_BIT;
+
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ writel(v, MX35_IO_ADDRESS(MX35_OTG_BASE_ADDR +
+ USBCTRL_OTGBASE_OFFSET));
+ return 0;
+ }
+#endif /* CONFIG_ARCH_MX3 */
+#ifdef CONFIG_MACH_MX27
+ if (cpu_is_mx27()) {
+ /* On i.MX27 we can use the i.MX31 USBCTRL bits, they
+ * are identical
+ */
+ v = readl(MX27_IO_ADDRESS(MX27_OTG_BASE_ADDR +
+ USBCTRL_OTGBASE_OFFSET));
+ switch (port) {
+ case 0: /* OTG port */
+ v &= ~(MX31_OTG_SIC_MASK | MX31_OTG_PM_BIT);
+ v |= (flags & MXC_EHCI_INTERFACE_MASK)
+ << MX31_OTG_SIC_SHIFT;
+ if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
+ v |= MX31_OTG_PM_BIT;
+ break;
+ case 1: /* H1 port */
+ v &= ~(MX31_H1_SIC_MASK | MX31_H1_PM_BIT | MX31_H1_DT_BIT);
+ v |= (flags & MXC_EHCI_INTERFACE_MASK)
+ << MX31_H1_SIC_SHIFT;
+ if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
+ v |= MX31_H1_PM_BIT;
+
+ if (!(flags & MXC_EHCI_TTL_ENABLED))
+ v |= MX31_H1_DT_BIT;
+
+ break;
+ case 2: /* H2 port */
+ v &= ~(MX31_H2_SIC_MASK | MX31_H2_PM_BIT | MX31_H2_DT_BIT);
+ v |= (flags & MXC_EHCI_INTERFACE_MASK)
+ << MX31_H2_SIC_SHIFT;
+ if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
+ v |= MX31_H2_PM_BIT;
+
+ if (!(flags & MXC_EHCI_TTL_ENABLED))
+ v |= MX31_H2_DT_BIT;
+
+ break;
+ default:
+ return -EINVAL;
+ }
+ writel(v, MX27_IO_ADDRESS(MX27_OTG_BASE_ADDR +
+ USBCTRL_OTGBASE_OFFSET));
+ return 0;
+ }
+#endif /* CONFIG_MACH_MX27 */
printk(KERN_WARNING
"%s() unable to setup USBCONTROL for this CPU\n", __func__);
return -EINVAL;