mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-18 02:38:56 +00:00
127efc4fe8
This paramter will later be used to initialize OTG ports in host or device mode. Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
250 lines
6.2 KiB
C
250 lines
6.2 KiB
C
/*
|
|
* Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
|
|
#include <common.h>
|
|
#include <usb.h>
|
|
#include <asm/io.h>
|
|
#include <asm/arch/imx-regs.h>
|
|
#include <usb/ehci-fsl.h>
|
|
#include <errno.h>
|
|
|
|
#include "ehci.h"
|
|
|
|
#define USBCTRL_OTGBASE_OFFSET 0x600
|
|
|
|
#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 << 16)
|
|
#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)
|
|
#define MX31_OTG_PM_BIT (1 << 24)
|
|
|
|
#define MX31_H2_SIC_SHIFT 21
|
|
#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 (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_OTG_PP_BIT (1 << 11)
|
|
#define MX35_OTG_OCPOL_BIT (1 << 3)
|
|
|
|
#define MX35_H1_SIC_SHIFT 21
|
|
#define MX35_H1_SIC_MASK (0x3 << MX35_H1_SIC_SHIFT)
|
|
#define MX35_H1_PP_BIT (1 << 18)
|
|
#define MX35_H1_PM_BIT (1 << 16)
|
|
#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)
|
|
#define MX35_H1_OCPOL_BIT (1 << 2)
|
|
|
|
static int mxc_set_usbcontrol(int port, unsigned int flags)
|
|
{
|
|
unsigned int v;
|
|
|
|
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);
|
|
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;
|
|
}
|
|
#elif defined(CONFIG_MX35)
|
|
switch (port) {
|
|
case 0: /* OTG port */
|
|
v &= ~(MX35_OTG_SIC_MASK | MX35_OTG_PM_BIT | MX35_OTG_PP_BIT |
|
|
MX35_OTG_OCPOL_BIT);
|
|
v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX35_OTG_SIC_SHIFT;
|
|
|
|
if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
|
|
v |= MX35_OTG_PM_BIT;
|
|
|
|
if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH)
|
|
v |= MX35_OTG_PP_BIT;
|
|
|
|
if (!(flags & MXC_EHCI_OC_PIN_ACTIVE_LOW))
|
|
v |= MX35_OTG_OCPOL_BIT;
|
|
|
|
break;
|
|
case 1: /* H1 port */
|
|
v &= ~(MX35_H1_SIC_MASK | MX35_H1_PM_BIT | MX35_H1_PP_BIT |
|
|
MX35_H1_OCPOL_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_PWR_PIN_ACTIVE_HIGH)
|
|
v |= MX35_H1_PP_BIT;
|
|
|
|
if (!(flags & MXC_EHCI_OC_PIN_ACTIVE_LOW))
|
|
v |= MX35_H1_OCPOL_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;
|
|
}
|
|
#else
|
|
#error MXC EHCI USB driver not supported on this platform
|
|
#endif
|
|
writel(v, IMX_USB_BASE + USBCTRL_OTGBASE_OFFSET);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ehci_hcd_init(int index, enum usb_init_type init,
|
|
struct ehci_hccr **hccr, struct ehci_hcor **hcor)
|
|
{
|
|
struct usb_ehci *ehci;
|
|
#ifdef CONFIG_MX31
|
|
struct clock_control_regs *sc_regs =
|
|
(struct clock_control_regs *)CCM_BASE;
|
|
|
|
__raw_readl(&sc_regs->ccmr);
|
|
__raw_writel(__raw_readl(&sc_regs->ccmr) | (1 << 9), &sc_regs->ccmr) ;
|
|
#endif
|
|
|
|
udelay(80);
|
|
|
|
ehci = (struct usb_ehci *)(IMX_USB_BASE +
|
|
IMX_USB_PORT_OFFSET * CONFIG_MXC_USB_PORT);
|
|
*hccr = (struct ehci_hccr *)((uint32_t)&ehci->caplength);
|
|
*hcor = (struct ehci_hcor *)((uint32_t) *hccr +
|
|
HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
|
|
setbits_le32(&ehci->usbmode, CM_HOST);
|
|
__raw_writel(CONFIG_MXC_USB_PORTSC, &ehci->portsc);
|
|
mxc_set_usbcontrol(CONFIG_MXC_USB_PORT, CONFIG_MXC_USB_FLAGS);
|
|
#ifdef CONFIG_MX35
|
|
/* Workaround for ENGcm11601 */
|
|
__raw_writel(0, &ehci->sbuscfg);
|
|
#endif
|
|
|
|
udelay(10000);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Destroy the appropriate control structures corresponding
|
|
* the the EHCI host controller.
|
|
*/
|
|
int ehci_hcd_stop(int index)
|
|
{
|
|
return 0;
|
|
}
|