[U-Boot] [PATCH 3/4 v5] DA8xx: Add MUSB host support
Gupta, Ajay Kumar
ajay.gupta at ti.com
Thu Nov 19 06:54:38 CET 2009
Remy,
> -----Original Message-----
> From: u-boot-bounces at lists.denx.de
> [mailto:u-boot-bounces at lists.denx.de] On Behalf Of Gupta, Ajay Kumar
> Sent: Tuesday, November 17, 2009 7:35 PM
> To: u-boot at lists.denx.de
> Subject: Re: [U-Boot] [PATCH 3/4 v5] DA8xx: Add MUSB host support
>
> Remy,
>
> Any comment on DA8xx USB support patches?
>
> These patch set depends on DA8xx base support patches which
> are available only on uboot-ti tree.
Any comment ?
Regards,
Ajay
>
> Regards,
> Ajay
> > -----Original Message-----
> > From: u-boot-bounces at lists.denx.de
> > [mailto:u-boot-bounces at lists.denx.de]
> > On Behalf Of Gupta, Ajay Kumar
> > Sent: Sunday, November 15, 2009 11:19 AM
> > To: u-boot at lists.denx.de
> > Subject: Re: [U-Boot] [PATCH 3/4 v5] DA8xx: Add MUSB host support
> >
> > Hi,
> > > Tested USB host functionality on DA830 EVM.
> > >
> > > Signed-off-by: Ajay Kumar Gupta <ajay.gupta at ti.com>
> > > Signed-off-by: Swaminathan S <swami.iyer at ti.com>
> > > ---
> > > drivers/usb/musb/Makefile | 1 +
> > > drivers/usb/musb/da8xx.c | 139
> > > +++++++++++++++++++++++++++++++++++++++++++++
> > > drivers/usb/musb/da8xx.h | 103
> +++++++++++++++++++++++++++++++++
> > > include/usb.h | 3 +-
> > > 4 files changed, 245 insertions(+), 1 deletions(-) create mode
> > > 100644 drivers/usb/musb/da8xx.c create mode 100644
> > > drivers/usb/musb/da8xx.h
> > >
> > > diff --git a/drivers/usb/musb/Makefile
> b/drivers/usb/musb/Makefile
> > > index 09e0a5f..eb4d8fd 100644
> > > --- a/drivers/usb/musb/Makefile
> > > +++ b/drivers/usb/musb/Makefile
> > <snip..>
> > > +
> > > + /* reset the controller */
> > > + writel(0x1, da8xx_usb_regs->control);
> > > + udelay(5000);
> > > +
> > > + /* start the on-chip usb phy and its pll */
> > > + if (phy_on() == 0)
> > > + return -1;
> > > +
> > > + /* Returns zero if e.g. not clocked */
> > > + revision = readl(da8xx_usb_regs->revision);
> >
> > '&' is missing, will resubmit the patch set.
> >
> > Regards,
> > Ajay
> > > + if (revision == 0)
> > > + return -1;
> > > +
> > > + /* Disable all interrupts */
> > > + writel((DA8XX_USB_USBINT_MASK | DA8XX_USB_TXINT_MASK |
> > > + DA8XX_USB_RXINT_MASK), da8xx_usb_regs->intmsk_set);
> > > + return 0;
> > > +}
> > > +
> > > +/*
> > > + * This function performs DA8xx platform specific
> deinitialization
> > > +for
> > > usb0.
> > > + */
> > > +void musb_platform_deinit(void)
> > > +{
> > > + /* Turn of the phy */
> > > + phy_off();
> > > +
> > > + /* flush any interrupts */
> > > + writel((DA8XX_USB_USBINT_MASK | DA8XX_USB_TXINT_MASK |
> > > + DA8XX_USB_RXINT_MASK), da8xx_usb_regs->intmsk_clr);
> > > + writel(0, da8xx_usb_regs->eoi);
> > > +}
> > > diff --git a/drivers/usb/musb/da8xx.h
> b/drivers/usb/musb/da8xx.h new
> > > file mode 100644 index 0000000..93234f0
> > > --- /dev/null
> > > +++ b/drivers/usb/musb/da8xx.h
> > > @@ -0,0 +1,103 @@
> > > +/*
> > > + * da8xx.h -- TI's DA8xx platform specific usb wrapper
> definitions.
> > > + *
> > > + * Author: Ajay Kumar Gupta <ajay.gupta at ti.com>
> > > + *
> > > + * Based on drivers/usb/musb/davinci.h
> > > + *
> > > + * Copyright (C) 2009 Texas Instruments Incorporated
> > > + *
> > > + * 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.
> > > + */
> > > +#ifndef __DA8XX_MUSB_H__
> > > +#define __DA8XX_MUSB_H__
> > > +
> > > +#include <asm/arch/hardware.h>
> > > +#include <asm/arch/gpio_defs.h>
> > > +#include "musb_core.h"
> > > +
> > > +/* Base address of da8xx usb0 wrapper */ #define
> DA8XX_USB_OTG_BASE
> > > +0x01E00000
> > > +
> > > +/* Base address of da8xx musb core */ #define
> > > +DA8XX_USB_OTG_CORE_BASE (DA8XX_USB_OTG_BASE + 0x400)
> > > +
> > > +/* Timeout for DA8xx usb module */
> > > +#define DA8XX_USB_OTG_TIMEOUT 0x3FFFFFF
> > > +
> > > +/*
> > > + * DA8xx platform USB wrapper register overlay.
> > > + */
> > > +struct da8xx_usb_regs {
> > > + dv_reg revision;
> > > + dv_reg control;
> > > + dv_reg status;
> > > + dv_reg emulation;
> > > + dv_reg mode;
> > > + dv_reg autoreq;
> > > + dv_reg srpfixtime;
> > > + dv_reg teardown;
> > > + dv_reg intsrc;
> > > + dv_reg intsrc_set;
> > > + dv_reg intsrc_clr;
> > > + dv_reg intmsk;
> > > + dv_reg intmsk_set;
> > > + dv_reg intmsk_clr;
> > > + dv_reg intsrcmsk;
> > > + dv_reg eoi;
> > > + dv_reg intvector;
> > > + dv_reg grndis_size[4];
> > > +};
> > > +
> > > +#define da8xx_usb_regs ((struct da8xx_usb_regs
> > > +*)DA8XX_USB_OTG_BASE)
> > > +
> > > +/* DA8XX interrupt bits definitions */
> > > +#define DA8XX_USB_TX_ENDPTS_MASK 0x1f /* ep0 + 4 tx */
> > > +#define DA8XX_USB_RX_ENDPTS_MASK 0x1e /* 4 rx */
> > > +#define DA8XX_USB_TXINT_SHIFT 0
> > > +#define DA8XX_USB_RXINT_SHIFT 8
> > > +
> > > +#define DA8XX_USB_USBINT_MASK 0x01ff0000 /* 8
> Mentor, DRVVBUS
> > > */
> > > +#define DA8XX_USB_TXINT_MASK \
> > > + (DA8XX_USB_TX_ENDPTS_MASK <<
> DA8XX_USB_TXINT_SHIFT) #define
> > > +DA8XX_USB_RXINT_MASK \
> > > + (DA8XX_USB_RX_ENDPTS_MASK << DA8XX_USB_RXINT_SHIFT)
> > > +
> > > +/* DA8xx CFGCHIP2 (USB 2.0 PHY Control) register bits */
> > > +#define CFGCHIP2_PHYCLKGD (1 << 17)
> > > +#define CFGCHIP2_VBUSSENSE (1 << 16)
> > > +#define CFGCHIP2_RESET (1 << 15)
> > > +#define CFGCHIP2_OTGMODE (3 << 13)
> > > +#define CFGCHIP2_NO_OVERRIDE (0 << 13)
> > > +#define CFGCHIP2_FORCE_HOST (1 << 13)
> > > +#define CFGCHIP2_FORCE_DEVICE (2 << 13)
> > > +#define CFGCHIP2_FORCE_HOST_VBUS_LOW (3 << 13)
> > > +#define CFGCHIP2_USB1PHYCLKMUX (1 << 12)
> > > +#define CFGCHIP2_USB2PHYCLKMUX (1 << 11)
> > > +#define CFGCHIP2_PHYPWRDN (1 << 10)
> > > +#define CFGCHIP2_OTGPWRDN (1 << 9)
> > > +#define CFGCHIP2_DATPOL (1 << 8)
> > > +#define CFGCHIP2_USB1SUSPENDM (1 << 7)
> > > +#define CFGCHIP2_PHY_PLLON (1 << 6) /*
> override PLL suspend */
> > > +#define CFGCHIP2_SESENDEN (1 << 5) /*
> Vsess_end comparator */
> > > +#define CFGCHIP2_VBDTCTEN (1 << 4) /* Vbus
> comparator */
> > > +#define CFGCHIP2_REFFREQ (0xf << 0)
> > > +#define CFGCHIP2_REFFREQ_12MHZ (1 << 0)
> > > +#define CFGCHIP2_REFFREQ_24MHZ (2 << 0)
> > > +#define CFGCHIP2_REFFREQ_48MHZ (3 << 0)
> > > +
> > > +#define DA8XX_USB_VBUS_GPIO (1 << 15)
> > > +#endif /* __DA8XX_MUSB_H__ */
> > > +
> > > diff --git a/include/usb.h b/include/usb.h index 7c47098..7c56ace
> > > 100644
> > > --- a/include/usb.h
> > > +++ b/include/usb.h
> > > @@ -183,7 +183,8 @@ struct usb_device { #if
> > > defined(CONFIG_USB_UHCI) || defined(CONFIG_USB_OHCI) || \
> > > defined(CONFIG_USB_EHCI) || defined(CONFIG_USB_OHCI_NEW) || \
> > > defined(CONFIG_USB_SL811HS) ||
> defined(CONFIG_USB_ISP116X_HCD) || \
> > > - defined(CONFIG_USB_R8A66597_HCD) || defined(CONFIG_USB_DAVINCI)
> > > + defined(CONFIG_USB_R8A66597_HCD) ||
> defined(CONFIG_USB_DAVINCI) || \
> > > + defined(CONFIG_USB_DA8XX)
> > >
> > > int usb_lowlevel_init(void);
> > > int usb_lowlevel_stop(void);
> > > --
> > > 1.6.2.4
> >
> > _______________________________________________
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