/*
* Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
*
- * SPDX-License-Identifier: GPL-2.0+
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <common.h>
#include <usb.h>
#include <asm/io.h>
-#include <asm/arch/imx-regs.h>
+#include <asm/arch/mx31-regs.h>
#include <usb/ehci-fsl.h>
#include <errno.h>
#include "ehci.h"
+#include "ehci-core.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_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
+#ifdef CONFIG_MX31
+ v = readl(MX31_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, MX31_OTG_BASE_ADDR +
+ USBCTRL_OTGBASE_OFFSET);
#endif
- writel(v, IMX_USB_BASE + USBCTRL_OTGBASE_OFFSET);
-
- return 0;
+ return 0;
}
-int ehci_hcd_init(int index, enum usb_init_type init,
- struct ehci_hccr **hccr, struct ehci_hcor **hcor)
+int ehci_hcd_init(void)
{
+ u32 tmp;
struct usb_ehci *ehci;
-#ifdef CONFIG_MX31
struct clock_control_regs *sc_regs =
(struct clock_control_regs *)CCM_BASE;
- __raw_readl(&sc_regs->ccmr);
+ tmp = __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)));
+ /* Take USB2 */
+ ehci = (struct usb_ehci *)(MX31_OTG_BASE_ADDR +
+ (0x200 * 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);
+ setbits_le32(&ehci->control, USB_EN);
+
__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);
* Destroy the appropriate control structures corresponding
* the the EHCI host controller.
*/
-int ehci_hcd_stop(int index)
+int ehci_hcd_stop(void)
{
return 0;
}
projects / platform / kernel / u-boot.git / blobdiff