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yaml
---
r: 187572
b: refs/heads/master
c: 9cf945c
h: refs/heads/master
v: v3
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Sascha Hauer committed Feb 4, 2010
1 parent cf1b9b4 commit 685bb28
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Showing 2 changed files with 47 additions and 2 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 84ab80616b0eb5fac4d1970f10ea1b3cf75280e1
refs/heads/master: 9cf945cbef42a4524b6a58486bd8bfb96640e97f
47 changes: 46 additions & 1 deletion trunk/arch/arm/plat-mxc/ehci.c
Original file line number Diff line number Diff line change
Expand Up @@ -41,7 +41,7 @@
int mxc_set_usbcontrol(int port, unsigned int flags)
{
unsigned int v;

#ifdef CONFIG_ARCH_MX3
if (cpu_is_mx31()) {
v = readl(MX31_IO_ADDRESS(MX31_OTG_BASE_ADDR +
USBCTRL_OTGBASE_OFFSET));
Expand Down Expand Up @@ -85,7 +85,52 @@ int mxc_set_usbcontrol(int port, unsigned int flags)
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;
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