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ehci-mxc: Make i.MX25 EHCI configurable 

Use EHCI MXC configuration options for i.MX25.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Marek Vasut <marex@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Matthias Weisser <weisserm@arcor.de>
This commit is contained in:
Benoît Thébaudeau 2012-11-13 09:57:48 +00:00 committed by Stefano Babic
parent 31ac2d0c6a
commit 9fa3d093d6
2 changed files with 67 additions and 11 deletions
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72
drivers/usb/host/ehci-mxc.c
View File

@ -28,10 +28,21 @@
#define USBCTRL_OTGBASE_OFFSET 0x600
#define MX25_USB_CTRL_IP_PUE_DOWN_BIT (1<<6)
#define MX25_USB_CTRL_HSTD_BIT (1<<5)
#define MX25_USB_CTRL_USBTE_BIT (1<<4)
#define MX25_USB_CTRL_OCPOL_OTG_BIT (1<<3)
#define MX25_OTG_SIC_SHIFT 29
#define MX25_OTG_SIC_MASK (0x3 << MX25_OTG_SIC_SHIFT)
#define MX25_OTG_PM_BIT (1 << 24)
#define MX25_OTG_PP_BIT (1 << 11)
#define MX25_OTG_OCPOL_BIT (1 << 3)
#define MX25_H1_SIC_SHIFT 21
#define MX25_H1_SIC_MASK (0x3 << MX25_H1_SIC_SHIFT)
#define MX25_H1_PP_BIT (1 << 18)
#define MX25_H1_PM_BIT (1 << 8)
#define MX25_H1_IPPUE_UP_BIT (1 << 7)
#define MX25_H1_IPPUE_DOWN_BIT (1 << 6)
#define MX25_H1_TLL_BIT (1 << 5)
#define MX25_H1_USBTE_BIT (1 << 4)
#define MX25_H1_OCPOL_BIT (1 << 2)
#define MX31_OTG_SIC_SHIFT 29
#define MX31_OTG_SIC_MASK (0x3 << MX31_OTG_SIC_SHIFT)
@ -51,12 +62,57 @@ static int mxc_set_usbcontrol(int port, unsigned int flags)
{
unsigned int v;
#if defined(CONFIG_MX25)
v = MX25_USB_CTRL_IP_PUE_DOWN_BIT | MX25_USB_CTRL_HSTD_BIT |
MX25_USB_CTRL_USBTE_BIT | MX25_USB_CTRL_OCPOL_OTG_BIT;
#elif defined(CONFIG_MX31)
v = readl(IMX_USB_BASE + USBCTRL_OTGBASE_OFFSET);
#if defined(CONFIG_MX25)
switch (port) {
case 0: /* OTG port */
v &= ~(MX25_OTG_SIC_MASK | MX25_OTG_PM_BIT | MX25_OTG_PP_BIT |
MX25_OTG_OCPOL_BIT);
v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX25_OTG_SIC_SHIFT;
if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
v |= MX25_OTG_PM_BIT;
if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH)
v |= MX25_OTG_PP_BIT;
if (!(flags & MXC_EHCI_OC_PIN_ACTIVE_LOW))
v |= MX25_OTG_OCPOL_BIT;
break;
case 1: /* H1 port */
v &= ~(MX25_H1_SIC_MASK | MX25_H1_PM_BIT | MX25_H1_PP_BIT |
MX25_H1_OCPOL_BIT | MX25_H1_TLL_BIT |
MX25_H1_USBTE_BIT | MX25_H1_IPPUE_DOWN_BIT |
MX25_H1_IPPUE_UP_BIT);
v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX25_H1_SIC_SHIFT;
if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
v |= MX25_H1_PM_BIT;
if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH)
v |= MX25_H1_PP_BIT;
if (!(flags & MXC_EHCI_OC_PIN_ACTIVE_LOW))
v |= MX25_H1_OCPOL_BIT;
if (!(flags & MXC_EHCI_TTL_ENABLED))
v |= MX25_H1_TLL_BIT;
if (flags & MXC_EHCI_INTERNAL_PHY)
v |= MX25_H1_USBTE_BIT;
if (flags & MXC_EHCI_IPPUE_DOWN)
v |= MX25_H1_IPPUE_DOWN_BIT;
if (flags & MXC_EHCI_IPPUE_UP)
v |= MX25_H1_IPPUE_UP_BIT;
break;
default:
return -EINVAL;
}
#elif defined(CONFIG_MX31)
switch (port) {
case 0: /* OTG port */
v &= ~(MX31_OTG_SIC_MASK | MX31_OTG_PM_BIT);

6
include/configs/zmx25.h
View File

@ -109,9 +109,9 @@
#define CONFIG_USB_EHCI /* Enable EHCI USB support */
#define CONFIG_USB_EHCI_MXC
#define CONFIG_EHCI_HCD_INIT_AFTER_RESET
#define CONFIG_MXC_USB_PORT 2
#define CONFIG_MXC_USB_PORTSC 0xC0000000
#define CONFIG_MXC_USB_FLAGS 0
#define CONFIG_MXC_USB_PORT 1
#define CONFIG_MXC_USB_PORTSC MXC_EHCI_MODE_SERIAL
#define CONFIG_MXC_USB_FLAGS (MXC_EHCI_INTERNAL_PHY | MXC_EHCI_IPPUE_DOWN)
#define CONFIG_EHCI_IS_TDI
#define CONFIG_USB_STORAGE
#define CONFIG_DOS_PARTITION