X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fusb%2Fhost%2Fehci-mxc.c;h=4941cb94575b965e795994042d5761f28a4524e3;hb=6864fc8704661878294d1f0f981f47e864ef470f;hp=a0cfbb74bd9e59bbff8067f1558fb74be12a6011;hpb=cdf1a2328a76cc57837d9a6e14a4f11f3a58b2e6;p=oweals%2Fu-boot.git diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c index a0cfbb74bd..4941cb9457 100644 --- a/drivers/usb/host/ehci-mxc.c +++ b/drivers/usb/host/ehci-mxc.c @@ -1,19 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (c) 2009 Daniel Mack - * - * 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. */ @@ -21,22 +8,29 @@ #include #include #include -#include +#include #include #include "ehci.h" -#include "ehci-core.h" #define USBCTRL_OTGBASE_OFFSET 0x600 -#ifdef CONFIG_MX25 -#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) -#endif +#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) -#ifdef CONFIG_MX31 #define MX31_OTG_SIC_SHIFT 29 #define MX31_OTG_SIC_MASK (0x3 << MX31_OTG_SIC_SHIFT) #define MX31_OTG_PM_BIT (1 << 24) @@ -50,89 +44,195 @@ #define MX31_H1_SIC_MASK (0x3 << MX31_H1_SIC_SHIFT) #define MX31_H1_PM_BIT (1 << 8) #define MX31_H1_DT_BIT (1 << 4) -#endif + +#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; -#ifdef 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; -#endif + 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; -#ifdef CONFIG_MX31 - v = readl(IMX_USB_BASE + 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; - } -#endif + 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(void) +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 - u32 tmp; struct clock_control_regs *sc_regs = (struct clock_control_regs *)CCM_BASE; - tmp = __raw_readl(&sc_regs->ccmr); + __raw_readl(&sc_regs->ccmr); __raw_writel(__raw_readl(&sc_regs->ccmr) | (1 << 9), &sc_regs->ccmr) ; #endif udelay(80); - /* Take USB2 */ ehci = (struct usb_ehci *)(IMX_USB_BASE + - (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))); + 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); -#ifdef CONFIG_MX31 - setbits_le32(&ehci->control, USB_EN); - __raw_writel(CONFIG_MXC_USB_PORTSC, &ehci->portsc); -#endif 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); @@ -143,7 +243,7 @@ int ehci_hcd_init(void) * Destroy the appropriate control structures corresponding * the the EHCI host controller. */ -int ehci_hcd_stop(void) +int ehci_hcd_stop(int index) { return 0; }