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https://github.com/AsahiLinux/u-boot
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Support for PXA27X UDC.
This Patch adds Support for PXA27X UDC. (Rebased to drivers/usb reorganisation) Signed-off-by: Vivek Kutal <vivek.kutal@azingo.com> Signed-off-by: Remy Bohmer <linux@bohmer.net>
This commit is contained in:
Remy Bohmer
parent
2731b9a866
commit
3ccbfb25f4
5 changed files with 1016 additions and 52 deletions
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@ -27,8 +27,10 @@
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#include <usbdevice.h>
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#if defined(CONFIG_PPC)
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#include <usb/mpc8xx_udc.h>
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#elif defined(CONFIG_ARM)
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#elif defined(CONFIG_OMAP1510)
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#include <usb/omap1510_udc.h>
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#elif defined(CONFIG_PXA27X)
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#include <usb/pxa27x_udc.h>
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#endif
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#include <version_autogenerated.h>
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@ -31,6 +31,7 @@ COBJS-y += ep0.o
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COBJS-$(CONFIG_OMAP1510) += omap1510_udc.o
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COBJS-$(CONFIG_OMAP1610) += omap1510_udc.o
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COBJS-$(CONFIG_MPC885_FAMILY) += mpc8xx_udc.o
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COBJS-$(CONFIG_PXA27X) += pxa27x_udc.o
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endif
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COBJS := $(COBJS-y)
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702
drivers/usb/gadget/pxa27x_udc.c
Normal file
702
drivers/usb/gadget/pxa27x_udc.c
Normal file
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@ -0,0 +1,702 @@
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/*
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* PXA27x USB device driver for u-boot.
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*
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* Copyright (C) 2007 Rodolfo Giometti <giometti@linux.it>
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* Copyright (C) 2007 Eurotech S.p.A. <info@eurotech.it>
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* Copyright (C) 2008 Vivek Kutal <vivek.kutal@azingo.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*/
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#include <common.h>
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#include <config.h>
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#include <asm/byteorder.h>
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#include <usbdcore.h>
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#include <usbdcore_ep0.h>
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#include <asm/arch/hardware.h>
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#include <usb/pxa27x_udc.h>
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/* number of endpoints on this UDC */
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#define UDC_MAX_ENDPOINTS 24
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static struct urb *ep0_urb;
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static struct usb_device_instance *udc_device;
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static int ep0state = EP0_IDLE;
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#ifdef USBDDBG
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static void udc_dump_buffer(char *name, u8 *buf, int len)
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{
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usbdbg("%s - buf %p, len %d", name, buf, len);
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print_buffer(0, buf, 1, len, 0);
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}
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#else
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#define udc_dump_buffer(name, buf, len) /* void */
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#endif
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static inline void udc_ack_int_UDCCR(int mask)
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{
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USIR1 = mask | USIR1;
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}
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/*
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* If the endpoint has an active tx_urb, then the next packet of data from the
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* URB is written to the tx FIFO.
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* The total amount of data in the urb is given by urb->actual_length.
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* The maximum amount of data that can be sent in any one packet is given by
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* endpoint->tx_packetSize.
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* The number of data bytes from this URB that have already been transmitted
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* is given by endpoint->sent.
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* endpoint->last is updated by this routine with the number of data bytes
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* transmitted in this packet.
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*/
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static int udc_write_urb(struct usb_endpoint_instance *endpoint)
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{
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struct urb *urb = endpoint->tx_urb;
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int ep_num = endpoint->endpoint_address & USB_ENDPOINT_NUMBER_MASK;
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u32 *addr32 = (u32 *) &UDCDN(ep_num);
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u32 *data32 = (u32 *) urb->buffer;
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u8 *addr8 = (u8 *) &UDCDN(ep_num);
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u8 *data8 = (u8 *) urb->buffer;
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unsigned int i, n, w, b, is_short;
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int timeout = 2000; /* 2ms */
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if (!urb || !urb->actual_length)
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return -1;
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n = MIN(urb->actual_length - endpoint->sent, endpoint->tx_packetSize);
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if (n <= 0)
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return -1;
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usbdbg("write urb on ep %d", ep_num);
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#if defined(USBDDBG) && defined(USBDPARANOIA)
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usbdbg("urb: buf %p, buf_len %d, actual_len %d",
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urb->buffer, urb->buffer_length, urb->actual_length);
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usbdbg("endpoint: sent %d, tx_packetSize %d, last %d",
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endpoint->sent, endpoint->tx_packetSize, endpoint->last);
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#endif
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is_short = n != endpoint->tx_packetSize;
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w = n / 4;
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b = n % 4;
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usbdbg("n %d%s w %d b %d", n, is_short ? "-s" : "", w, b);
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udc_dump_buffer("urb write", data8 + endpoint->sent, n);
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/* Prepare for data send */
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if (ep_num)
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UDCCSN(ep_num) = UDCCSR_PC;
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for (i = 0; i < w; i++)
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*addr32 = data32[endpoint->sent/4 + i];
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for (i = 0; i < b; i++)
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*addr8 = data8[endpoint->sent + w*4 + i];
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/* Set "Packet Complete" if less data then tx_packetSize */
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if (is_short)
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UDCCSN(ep_num) = ep_num ? UDCCSR_SP : UDCCSR0_IPR;
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/* Wait for data sent */
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while (!(UDCCSN(ep_num) & (ep_num ? UDCCSR_PC : UDCCSR0_IPR))) {
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if (ep_num) {
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if (timeout-- == 0)
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return -1;
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else
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udelay(1);
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};
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}
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endpoint->last = n;
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if (ep_num) {
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usbd_tx_complete(endpoint);
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} else {
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endpoint->sent += n;
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endpoint->last -= n;
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}
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if ((endpoint->tx_urb->actual_length - endpoint->sent) <= 0) {
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urb->actual_length = 0;
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endpoint->sent = 0;
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endpoint->last = 0;
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}
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if ((endpoint->sent >= urb->actual_length) && (!ep_num)) {
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usbdbg("ep0 IN stage done");
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if (is_short)
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ep0state = EP0_IDLE;
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else
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ep0state = EP0_XFER_COMPLETE;
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}
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return 0;
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}
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static int udc_read_urb(struct usb_endpoint_instance *endpoint)
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{
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struct urb *urb = endpoint->rcv_urb;
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int ep_num = endpoint->endpoint_address & USB_ENDPOINT_NUMBER_MASK;
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u32 *addr32 = (u32 *) &UDCDN(ep_num);
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u32 *data32 = (u32 *) urb->buffer;
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unsigned int i, n, is_short ;
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usbdbg("read urb on ep %d", ep_num);
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#if defined(USBDDBG) && defined(USBDPARANOIA)
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usbdbg("urb: buf %p, buf_len %d, actual_len %d",
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urb->buffer, urb->buffer_length, urb->actual_length);
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usbdbg("endpoint: rcv_packetSize %d",
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endpoint->rcv_packetSize);
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#endif
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if (UDCCSN(ep_num) & UDCCSR_BNE)
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n = UDCBCN(ep_num) & 0x3ff;
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else /* zlp */
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n = 0;
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is_short = n != endpoint->rcv_packetSize;
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usbdbg("n %d%s", n, is_short ? "-s" : "");
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for (i = 0; i < n; i += 4)
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data32[urb->actual_length/4 + i/4] = *addr32;
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udc_dump_buffer("urb read", (u8 *) data32, urb->actual_length + n);
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usbd_rcv_complete(endpoint, n, 0);
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return 0;
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}
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static int udc_read_urb_ep0(void)
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{
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u32 *addr32 = (u32 *) &UDCDN(0);
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u32 *data32 = (u32 *) ep0_urb->buffer;
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u8 *addr8 = (u8 *) &UDCDN(0);
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u8 *data8 = (u8 *) ep0_urb->buffer;
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unsigned int i, n, w, b;
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n = UDCBCR0;
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w = n / 4;
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b = n % 4;
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for (i = 0; i < w; i++) {
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data32[ep0_urb->actual_length/4 + i] = *addr32;
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ep0_urb->actual_length += 4;
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}
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for (i = 0; i < b; i++) {
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data8[ep0_urb->actual_length + w*4 + i] = *addr8;
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ep0_urb->actual_length++;
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}
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UDCCSR0 = UDCCSR0_OPC | UDCCSR0_IPR;
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if (ep0_urb->actual_length == ep0_urb->device_request.wLength)
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return 1;
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return 0;
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}
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static void udc_handle_ep0(struct usb_endpoint_instance *endpoint)
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{
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u32 udccsr0 = UDCCSR0;
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u32 *data = (u32 *) &ep0_urb->device_request;
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int i;
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usbdbg("udccsr0 %x", udccsr0);
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/* Clear stall status */
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if (udccsr0 & UDCCSR0_SST) {
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usberr("clear stall status");
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UDCCSR0 = UDCCSR0_SST;
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ep0state = EP0_IDLE;
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}
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/* previous request unfinished? non-error iff back-to-back ... */
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if ((udccsr0 & UDCCSR0_SA) != 0 && ep0state != EP0_IDLE)
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ep0state = EP0_IDLE;
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switch (ep0state) {
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case EP0_IDLE:
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udccsr0 = UDCCSR0;
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/* Start control request? */
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if ((udccsr0 & (UDCCSR0_OPC | UDCCSR0_SA | UDCCSR0_RNE))
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== (UDCCSR0_OPC | UDCCSR0_SA | UDCCSR0_RNE)) {
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/* Read SETUP packet.
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* SETUP packet size is 8 bytes (aka 2 words)
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*/
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usbdbg("try reading SETUP packet");
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for (i = 0; i < 2; i++) {
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if ((UDCCSR0 & UDCCSR0_RNE) == 0) {
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usberr("setup packet too short:%d", i);
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goto stall;
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}
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data[i] = UDCDR0;
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}
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UDCCSR0 |= (UDCCSR0_OPC | UDCCSR0_SA);
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if ((UDCCSR0 & UDCCSR0_RNE) != 0) {
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usberr("setup packet too long");
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goto stall;
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}
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udc_dump_buffer("ep0 setup read", (u8 *) data, 8);
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if (ep0_urb->device_request.wLength == 0) {
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usbdbg("Zero Data control Packet\n");
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if (ep0_recv_setup(ep0_urb)) {
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usberr("Invalid Setup Packet\n");
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udc_dump_buffer("ep0 setup read",
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(u8 *)data, 8);
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goto stall;
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}
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UDCCSR0 = UDCCSR0_IPR;
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ep0state = EP0_IDLE;
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} else {
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/* Check direction */
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if ((ep0_urb->device_request.bmRequestType &
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USB_REQ_DIRECTION_MASK)
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== USB_REQ_HOST2DEVICE) {
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ep0state = EP0_OUT_DATA;
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ep0_urb->buffer =
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(u8 *)ep0_urb->buffer_data;
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ep0_urb->buffer_length =
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sizeof(ep0_urb->buffer_data);
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ep0_urb->actual_length = 0;
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UDCCSR0 = UDCCSR0_IPR;
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} else {
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/* The ep0_recv_setup function has
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* already placed our response packet
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* data in ep0_urb->buffer and the
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* packet length in
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* ep0_urb->actual_length.
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*/
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if (ep0_recv_setup(ep0_urb)) {
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stall:
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usberr("Invalid setup packet");
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udc_dump_buffer("ep0 setup read"
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, (u8 *) data, 8);
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ep0state = EP0_IDLE;
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UDCCSR0 = UDCCSR0_SA |
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UDCCSR0_OPC | UDCCSR0_FST |
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UDCCS0_FTF;
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return;
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}
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endpoint->tx_urb = ep0_urb;
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endpoint->sent = 0;
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usbdbg("EP0_IN_DATA");
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ep0state = EP0_IN_DATA;
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if (udc_write_urb(endpoint) < 0)
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goto stall;
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}
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}
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return;
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} else if ((udccsr0 & (UDCCSR0_OPC | UDCCSR0_SA))
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== (UDCCSR0_OPC|UDCCSR0_SA)) {
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usberr("Setup Active but no data. Stalling ....\n");
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goto stall;
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} else {
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usbdbg("random early IRQs");
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/* Some random early IRQs:
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* - we acked FST
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* - IPR cleared
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* - OPC got set, without SA (likely status stage)
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*/
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UDCCSR0 = udccsr0 & (UDCCSR0_SA | UDCCSR0_OPC);
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}
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break;
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case EP0_OUT_DATA:
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if ((udccsr0 & UDCCSR0_OPC) && !(udccsr0 & UDCCSR0_SA)) {
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if (udc_read_urb_ep0()) {
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read_complete:
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ep0state = EP0_IDLE;
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if (ep0_recv_setup(ep0_urb)) {
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/* Not a setup packet, stall next
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* EP0 transaction
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*/
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udc_dump_buffer("ep0 setup read",
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(u8 *) data, 8);
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usberr("can't parse setup packet\n");
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goto stall;
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}
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}
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} else if (!(udccsr0 & UDCCSR0_OPC) &&
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!(udccsr0 & UDCCSR0_IPR)) {
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if (ep0_urb->device_request.wLength ==
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ep0_urb->actual_length)
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goto read_complete;
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usberr("Premature Status\n");
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ep0state = EP0_IDLE;
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}
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break;
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case EP0_IN_DATA:
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/* GET_DESCRIPTOR etc */
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if (udccsr0 & UDCCSR0_OPC) {
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UDCCSR0 = UDCCSR0_OPC | UDCCSR0_FTF;
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usberr("ep0in premature status");
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ep0state = EP0_IDLE;
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} else {
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/* irq was IPR clearing */
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if (udc_write_urb(endpoint) < 0) {
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usberr("ep0_write_error\n");
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goto stall;
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}
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}
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break;
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case EP0_XFER_COMPLETE:
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UDCCSR0 = UDCCSR0_IPR;
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ep0state = EP0_IDLE;
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break;
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default:
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usbdbg("Default\n");
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}
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USIR0 = USIR0_IR0;
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}
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|
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static void udc_handle_ep(struct usb_endpoint_instance *endpoint)
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{
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int ep_addr = endpoint->endpoint_address;
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int ep_num = ep_addr & USB_ENDPOINT_NUMBER_MASK;
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int ep_isout = (ep_addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT;
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u32 flags = UDCCSN(ep_num) & (UDCCSR_SST | UDCCSR_TRN);
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if (flags)
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UDCCSN(ep_num) = flags;
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|
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if (ep_isout)
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udc_read_urb(endpoint);
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else
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udc_write_urb(endpoint);
|
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|
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UDCCSN(ep_num) = UDCCSR_PC;
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}
|
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static void udc_state_changed(void)
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{
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int config, interface, alternate;
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|
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UDCCR |= UDCCR_SMAC;
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config = (UDCCR & UDCCR_ACN) >> UDCCR_ACN_S;
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interface = (UDCCR & UDCCR_AIN) >> UDCCR_AIN_S;
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alternate = (UDCCR & UDCCR_AAISN) >> UDCCR_AAISN_S;
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usbdbg("New UDC settings are: conf %d - inter %d - alter %d",
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config, interface, alternate);
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usbd_device_event_irq(udc_device, DEVICE_CONFIGURED, 0);
|
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UDCISR1 = UDCISR1_IRCC;
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}
|
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|
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void udc_irq(void)
|
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{
|
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int handled;
|
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struct usb_endpoint_instance *endpoint;
|
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int ep_num, i;
|
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u32 udcisr0;
|
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|
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do {
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handled = 0;
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/* Suspend Interrupt Request */
|
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if (USIR1 & UDCCR_SUSIR) {
|
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usbdbg("Suspend\n");
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udc_ack_int_UDCCR(UDCCR_SUSIR);
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handled = 1;
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ep0state = EP0_IDLE;
|
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}
|
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|
||||
/* Resume Interrupt Request */
|
||||
if (USIR1 & UDCCR_RESIR) {
|
||||
udc_ack_int_UDCCR(UDCCR_RESIR);
|
||||
handled = 1;
|
||||
usbdbg("USB resume\n");
|
||||
}
|
||||
|
||||
if (USIR1 & (1<<31)) {
|
||||
handled = 1;
|
||||
udc_state_changed();
|
||||
}
|
||||
|
||||
/* Reset Interrupt Request */
|
||||
if (USIR1 & UDCCR_RSTIR) {
|
||||
udc_ack_int_UDCCR(UDCCR_RSTIR);
|
||||
handled = 1;
|
||||
usbdbg("Reset\n");
|
||||
usbd_device_event_irq(udc_device, DEVICE_RESET, 0);
|
||||
} else {
|
||||
if (USIR0)
|
||||
usbdbg("UISR0: %x \n", USIR0);
|
||||
|
||||
if (USIR0 & 0x2)
|
||||
USIR0 = 0x2;
|
||||
|
||||
/* Control traffic */
|
||||
if (USIR0 & USIR0_IR0) {
|
||||
handled = 1;
|
||||
udc_handle_ep0(udc_device->bus->endpoint_array);
|
||||
USIR0 = USIR0_IR0;
|
||||
}
|
||||
|
||||
endpoint = udc_device->bus->endpoint_array;
|
||||
for (i = 0; i < udc_device->bus->max_endpoints; i++) {
|
||||
ep_num = (endpoint[i].endpoint_address) &
|
||||
USB_ENDPOINT_NUMBER_MASK;
|
||||
if (!ep_num)
|
||||
continue;
|
||||
udcisr0 = UDCISR0;
|
||||
if (udcisr0 &
|
||||
UDCISR_INT(ep_num, UDC_INT_PACKETCMP)) {
|
||||
UDCISR0 = UDCISR_INT(ep_num,
|
||||
UDC_INT_PACKETCMP);
|
||||
udc_handle_ep(&endpoint[i]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
} while (handled);
|
||||
}
|
||||
|
||||
/* The UDCCR reg contains mask and interrupt status bits,
|
||||
* so using '|=' isn't safe as it may ack an interrupt.
|
||||
*/
|
||||
#define UDCCR_OEN (1 << 31) /* On-the-Go Enable */
|
||||
#define UDCCR_MASK_BITS (UDCCR_OEN | UDCCR_UDE)
|
||||
|
||||
static inline void udc_set_mask_UDCCR(int mask)
|
||||
{
|
||||
UDCCR = (UDCCR & UDCCR_MASK_BITS) | (mask & UDCCR_MASK_BITS);
|
||||
}
|
||||
|
||||
static inline void udc_clear_mask_UDCCR(int mask)
|
||||
{
|
||||
UDCCR = (UDCCR & UDCCR_MASK_BITS) & ~(mask & UDCCR_MASK_BITS);
|
||||
}
|
||||
|
||||
static void pio_irq_enable(int ep_num)
|
||||
{
|
||||
if (ep_num < 16)
|
||||
UDCICR0 |= 3 << (ep_num * 2);
|
||||
else {
|
||||
ep_num -= 16;
|
||||
UDCICR1 |= 3 << (ep_num * 2);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* udc_set_nak
|
||||
*
|
||||
* Allow upper layers to signal lower layers should not accept more RX data
|
||||
*/
|
||||
void udc_set_nak(int ep_num)
|
||||
{
|
||||
/* TODO */
|
||||
}
|
||||
|
||||
/*
|
||||
* udc_unset_nak
|
||||
*
|
||||
* Suspend sending of NAK tokens for DATA OUT tokens on a given endpoint.
|
||||
* Switch off NAKing on this endpoint to accept more data output from host.
|
||||
*/
|
||||
void udc_unset_nak(int ep_num)
|
||||
{
|
||||
/* TODO */
|
||||
}
|
||||
|
||||
int udc_endpoint_write(struct usb_endpoint_instance *endpoint)
|
||||
{
|
||||
return udc_write_urb(endpoint);
|
||||
}
|
||||
|
||||
/* Associate a physical endpoint with endpoint instance */
|
||||
void udc_setup_ep(struct usb_device_instance *device, unsigned int id,
|
||||
struct usb_endpoint_instance *endpoint)
|
||||
{
|
||||
int ep_num, ep_addr, ep_isout, ep_type, ep_size;
|
||||
int config, interface, alternate;
|
||||
u32 tmp;
|
||||
|
||||
usbdbg("setting up endpoint id %d", id);
|
||||
|
||||
if (!endpoint) {
|
||||
usberr("endpoint void!");
|
||||
return;
|
||||
}
|
||||
|
||||
ep_num = endpoint->endpoint_address & USB_ENDPOINT_NUMBER_MASK;
|
||||
if (ep_num >= UDC_MAX_ENDPOINTS) {
|
||||
usberr("unable to setup ep %d!", ep_num);
|
||||
return;
|
||||
}
|
||||
|
||||
pio_irq_enable(ep_num);
|
||||
if (ep_num == 0) {
|
||||
/* Done for ep0 */
|
||||
return;
|
||||
}
|
||||
|
||||
config = 1;
|
||||
interface = 0;
|
||||
alternate = 0;
|
||||
|
||||
usbdbg("config %d - interface %d - alternate %d",
|
||||
config, interface, alternate);
|
||||
|
||||
ep_addr = endpoint->endpoint_address;
|
||||
ep_num = ep_addr & USB_ENDPOINT_NUMBER_MASK;
|
||||
ep_isout = (ep_addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT;
|
||||
ep_type = ep_isout ? endpoint->rcv_attributes : endpoint->tx_attributes;
|
||||
ep_size = ep_isout ? endpoint->rcv_packetSize : endpoint->tx_packetSize;
|
||||
|
||||
usbdbg("addr %x, num %d, dir %s, type %s, packet size %d",
|
||||
ep_addr, ep_num,
|
||||
ep_isout ? "out" : "in",
|
||||
ep_type == USB_ENDPOINT_XFER_ISOC ? "isoc" :
|
||||
ep_type == USB_ENDPOINT_XFER_BULK ? "bulk" :
|
||||
ep_type == USB_ENDPOINT_XFER_INT ? "int" : "???",
|
||||
ep_size
|
||||
);
|
||||
|
||||
/* Configure UDCCRx */
|
||||
tmp = 0;
|
||||
tmp |= (config << UDCCONR_CN_S) & UDCCONR_CN;
|
||||
tmp |= (interface << UDCCONR_IN_S) & UDCCONR_IN;
|
||||
tmp |= (alternate << UDCCONR_AISN_S) & UDCCONR_AISN;
|
||||
tmp |= (ep_num << UDCCONR_EN_S) & UDCCONR_EN;
|
||||
tmp |= (ep_type << UDCCONR_ET_S) & UDCCONR_ET;
|
||||
tmp |= ep_isout ? 0 : UDCCONR_ED;
|
||||
tmp |= (ep_size << UDCCONR_MPS_S) & UDCCONR_MPS;
|
||||
tmp |= UDCCONR_EE;
|
||||
|
||||
UDCCN(ep_num) = tmp;
|
||||
|
||||
usbdbg("UDCCR%c = %x", 'A' + ep_num-1, UDCCN(ep_num));
|
||||
usbdbg("UDCCSR%c = %x", 'A' + ep_num-1, UDCCSN(ep_num));
|
||||
}
|
||||
|
||||
#define CONFIG_USB_DEV_PULLUP_GPIO 87
|
||||
|
||||
/* Connect the USB device to the bus */
|
||||
void udc_connect(void)
|
||||
{
|
||||
usbdbg("UDC connect");
|
||||
|
||||
/* Turn on the USB connection by enabling the pullup resistor */
|
||||
set_GPIO_mode(CONFIG_USB_DEV_PULLUP_GPIO | GPIO_OUT);
|
||||
GPSR(CONFIG_USB_DEV_PULLUP_GPIO) = GPIO_bit(CONFIG_USB_DEV_PULLUP_GPIO);
|
||||
}
|
||||
|
||||
/* Disconnect the USB device to the bus */
|
||||
void udc_disconnect(void)
|
||||
{
|
||||
usbdbg("UDC disconnect");
|
||||
|
||||
/* Turn off the USB connection by disabling the pullup resistor */
|
||||
GPCR(CONFIG_USB_DEV_PULLUP_GPIO) = GPIO_bit(CONFIG_USB_DEV_PULLUP_GPIO);
|
||||
}
|
||||
|
||||
/* Switch on the UDC */
|
||||
void udc_enable(struct usb_device_instance *device)
|
||||
{
|
||||
|
||||
ep0state = EP0_IDLE;
|
||||
CKEN |= CKEN11_USB;
|
||||
|
||||
/* enable endpoint 0, A, B's Packet Complete Interrupt. */
|
||||
UDCICR0 = 0x0000003f;
|
||||
UDCICR1 = 0xa8000000;
|
||||
|
||||
/* clear the interrupt status/control registers */
|
||||
UDCISR0 = 0xffffffff;
|
||||
UDCISR1 = 0xffffffff;
|
||||
|
||||
/* set UDC-enable */
|
||||
udc_set_mask_UDCCR(UDCCR_UDE);
|
||||
|
||||
udc_device = device;
|
||||
if (!ep0_urb)
|
||||
ep0_urb = usbd_alloc_urb(udc_device,
|
||||
udc_device->bus->endpoint_array);
|
||||
else
|
||||
usbinfo("ep0_urb %p already allocated", ep0_urb);
|
||||
|
||||
usbdbg("UDC Enabled\n");
|
||||
}
|
||||
|
||||
/* Need to check this again */
|
||||
void udc_disable(void)
|
||||
{
|
||||
usbdbg("disable UDC");
|
||||
|
||||
udc_clear_mask_UDCCR(UDCCR_UDE);
|
||||
|
||||
/* Disable clock for USB device */
|
||||
CKEN &= ~CKEN11_USB;
|
||||
|
||||
/* Free ep0 URB */
|
||||
if (ep0_urb) {
|
||||
usbd_dealloc_urb(ep0_urb);
|
||||
ep0_urb = NULL;
|
||||
}
|
||||
|
||||
/* Reset device pointer */
|
||||
udc_device = NULL;
|
||||
}
|
||||
|
||||
/* Allow udc code to do any additional startup */
|
||||
void udc_startup_events(struct usb_device_instance *device)
|
||||
{
|
||||
/* The DEVICE_INIT event puts the USB device in the state STATE_INIT */
|
||||
usbd_device_event_irq(device, DEVICE_INIT, 0);
|
||||
|
||||
/* The DEVICE_CREATE event puts the USB device in the state
|
||||
* STATE_ATTACHED */
|
||||
usbd_device_event_irq(device, DEVICE_CREATE, 0);
|
||||
|
||||
/* Some USB controller driver implementations signal
|
||||
* DEVICE_HUB_CONFIGURED and DEVICE_RESET events here.
|
||||
* DEVICE_HUB_CONFIGURED causes a transition to the state
|
||||
* STATE_POWERED, and DEVICE_RESET causes a transition to
|
||||
* the state STATE_DEFAULT.
|
||||
*/
|
||||
udc_enable(device);
|
||||
}
|
||||
|
||||
/* Initialize h/w stuff */
|
||||
int udc_init(void)
|
||||
{
|
||||
udc_device = NULL;
|
||||
usbdbg("PXA27x usbd start");
|
||||
|
||||
/* Disable the UDC */
|
||||
udc_clear_mask_UDCCR(UDCCR_UDE);
|
||||
|
||||
/* Disable clock for USB device */
|
||||
CKEN &= ~CKEN11_USB;
|
||||
|
||||
/* Disable IRQs: we don't use them */
|
||||
UDCICR0 = UDCICR1 = 0;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -596,46 +596,58 @@ typedef void (*ExcpHndlr) (void) ;
|
|||
/*
|
||||
* USB Device Controller
|
||||
*/
|
||||
#ifndef CONFIG_CPU_MONAHANS
|
||||
#define UDC_RES1 __REG(0x40600004) /* UDC Undocumented - Reserved1 */
|
||||
#define UDC_RES2 __REG(0x40600008) /* UDC Undocumented - Reserved2 */
|
||||
#define UDC_RES3 __REG(0x4060000C) /* UDC Undocumented - Reserved3 */
|
||||
#ifdef CONFIG_PXA27X
|
||||
|
||||
#define UDCCR __REG(0x40600000) /* UDC Control Register */
|
||||
#define UDCCR_UDE (1 << 0) /* UDC enable */
|
||||
#define UDCCR_UDA (1 << 1) /* UDC active */
|
||||
#define UDCCR_RSM (1 << 2) /* Device resume */
|
||||
#define UDCCR_RESIR (1 << 3) /* Resume interrupt request */
|
||||
#define UDCCR_SUSIR (1 << 4) /* Suspend interrupt request */
|
||||
#define UDCCR_SRM (1 << 5) /* Suspend/resume interrupt mask */
|
||||
#define UDCCR_RSTIR (1 << 6) /* Reset interrupt request */
|
||||
#define UDCCR_REM (1 << 7) /* Reset interrupt mask */
|
||||
#define UDCCR __REG(0x40600000) /* UDC Control Register */
|
||||
#define UDCCR_UDE (1 << 0) /* UDC enable */
|
||||
#define UDCCR_UDA (1 << 1) /* UDC active */
|
||||
#define UDCCR_RSM (1 << 2) /* Device resume */
|
||||
#define UDCCR_EMCE (1 << 3) /* Endpoint Memory Configuration Error */
|
||||
#define UDCCR_SMAC (1 << 4) /* Switch Endpoint Memory to Active Configuration */
|
||||
#define UDCCR_RESIR (1 << 29) /* Resume interrupt request */
|
||||
#define UDCCR_SUSIR (1 << 28) /* Suspend interrupt request */
|
||||
#define UDCCR_SM (1 << 28) /* Suspend interrupt mask */
|
||||
#define UDCCR_RSTIR (1 << 27) /* Reset interrupt request */
|
||||
#define UDCCR_REM (1 << 27) /* Reset interrupt mask */
|
||||
#define UDCCR_RM (1 << 29) /* resume interrupt mask */
|
||||
#define UDCCR_SRM (UDCCR_SM|UDCCR_RM)
|
||||
#define UDCCR_OEN (1 << 31) /* On-the-Go Enable */
|
||||
#define UDCCR_AALTHNP (1 << 30) /* A-device Alternate Host Negotiation Protocol Port Support */
|
||||
#define UDCCR_AHNP (1 << 29) /* A-device Host Negotiation Protocol Support */
|
||||
#define UDCCR_BHNP (1 << 28) /* B-device Host Negotiation Protocol Enable */
|
||||
#define UDCCR_DWRE (1 << 16) /* Device Remote Wake-up Enable */
|
||||
#define UDCCR_ACN (0x03 << 11) /* Active UDC configuration Number */
|
||||
#define UDCCR_ACN_S 11
|
||||
#define UDCCR_AIN (0x07 << 8) /* Active UDC interface Number */
|
||||
#define UDCCR_AIN_S 8
|
||||
#define UDCCR_AAISN (0x07 << 5) /* Active UDC Alternate Interface Setting Number */
|
||||
#define UDCCR_AAISN_S 5
|
||||
|
||||
#define UDCCS0 __REG(0x40600010) /* UDC Endpoint 0 Control/Status Register */
|
||||
#define UDCCS0_OPR (1 << 0) /* OUT packet ready */
|
||||
#define UDCCS0_IPR (1 << 1) /* IN packet ready */
|
||||
#define UDCCS0_FTF (1 << 2) /* Flush Tx FIFO */
|
||||
#define UDCCS0_DRWF (1 << 3) /* Device remote wakeup feature */
|
||||
#define UDCCS0_SST (1 << 4) /* Sent stall */
|
||||
#define UDCCS0_FST (1 << 5) /* Force stall */
|
||||
#define UDCCS0_RNE (1 << 6) /* Receive FIFO no empty */
|
||||
#define UDCCS0_SA (1 << 7) /* Setup active */
|
||||
#define UDCCS0 __REG(0x40600100) /* UDC Endpoint 0 Control/Status Register */
|
||||
#define UDCCS0_OPR (1 << 0) /* OUT packet ready */
|
||||
#define UDCCS0_IPR (1 << 1) /* IN packet ready */
|
||||
#define UDCCS0_FTF (1 << 2) /* Flush Tx FIFO */
|
||||
#define UDCCS0_DRWF (1 << 16) /* Device remote wakeup feature */
|
||||
#define UDCCS0_SST (1 << 4) /* Sent stall */
|
||||
#define UDCCS0_FST (1 << 5) /* Force stall */
|
||||
#define UDCCS0_RNE (1 << 6) /* Receive FIFO no empty */
|
||||
#define UDCCS0_SA (1 << 7) /* Setup active */
|
||||
|
||||
/* Bulk IN - Endpoint 1,6,11 */
|
||||
#define UDCCS1 __REG(0x40600014) /* UDC Endpoint 1 (IN) Control/Status Register */
|
||||
#define UDCCS1 __REG(0x40600104) /* UDC Endpoint 1 (IN) Control/Status Register */
|
||||
#define UDCCS6 __REG(0x40600028) /* UDC Endpoint 6 (IN) Control/Status Register */
|
||||
#define UDCCS11 __REG(0x4060003C) /* UDC Endpoint 11 (IN) Control/Status Register */
|
||||
|
||||
#define UDCCS_BI_TFS (1 << 0) /* Transmit FIFO service */
|
||||
#define UDCCS_BI_TPC (1 << 1) /* Transmit packet complete */
|
||||
#define UDCCS_BI_FTF (1 << 2) /* Flush Tx FIFO */
|
||||
#define UDCCS_BI_FTF (1 << 8) /* Flush Tx FIFO */
|
||||
#define UDCCS_BI_TUR (1 << 3) /* Transmit FIFO underrun */
|
||||
#define UDCCS_BI_SST (1 << 4) /* Sent stall */
|
||||
#define UDCCS_BI_FST (1 << 5) /* Force stall */
|
||||
#define UDCCS_BI_TSP (1 << 7) /* Transmit short packet */
|
||||
|
||||
/* Bulk OUT - Endpoint 2,7,12 */
|
||||
#define UDCCS2 __REG(0x40600018) /* UDC Endpoint 2 (OUT) Control/Status Register */
|
||||
#define UDCCS2 __REG(0x40600108) /* UDC Endpoint 2 (OUT) Control/Status Register */
|
||||
#define UDCCS7 __REG(0x4060002C) /* UDC Endpoint 7 (OUT) Control/Status Register */
|
||||
#define UDCCS12 __REG(0x40600040) /* UDC Endpoint 12 (OUT) Control/Status Register */
|
||||
|
||||
|
|
@ -684,16 +696,16 @@ typedef void (*ExcpHndlr) (void) ;
|
|||
#define UDCCS_INT_TSP (1 << 7) /* Transmit short packet */
|
||||
|
||||
#define UFNRH __REG(0x40600060) /* UDC Frame Number Register High */
|
||||
#define UFNRL __REG(0x40600064) /* UDC Frame Number Register Low */
|
||||
#define UBCR2 __REG(0x40600068) /* UDC Byte Count Reg 2 */
|
||||
#define UFNRL __REG(0x40600014) /* UDC Frame Number Register Low */
|
||||
#define UBCR2 __REG(0x40600208) /* UDC Byte Count Reg 2 */
|
||||
#define UBCR4 __REG(0x4060006c) /* UDC Byte Count Reg 4 */
|
||||
#define UBCR7 __REG(0x40600070) /* UDC Byte Count Reg 7 */
|
||||
#define UBCR9 __REG(0x40600074) /* UDC Byte Count Reg 9 */
|
||||
#define UBCR12 __REG(0x40600078) /* UDC Byte Count Reg 12 */
|
||||
#define UBCR14 __REG(0x4060007c) /* UDC Byte Count Reg 14 */
|
||||
#define UDDR0 __REG(0x40600080) /* UDC Endpoint 0 Data Register */
|
||||
#define UDDR1 __REG(0x40600100) /* UDC Endpoint 1 Data Register */
|
||||
#define UDDR2 __REG(0x40600180) /* UDC Endpoint 2 Data Register */
|
||||
#define UDDR0 __REG(0x40600300) /* UDC Endpoint 0 Data Register */
|
||||
#define UDDR1 __REG(0x40600304) /* UDC Endpoint 1 Data Register */
|
||||
#define UDDR2 __REG(0x40600308) /* UDC Endpoint 2 Data Register */
|
||||
#define UDDR3 __REG(0x40600200) /* UDC Endpoint 3 Data Register */
|
||||
#define UDDR4 __REG(0x40600400) /* UDC Endpoint 4 Data Register */
|
||||
#define UDDR5 __REG(0x406000A0) /* UDC Endpoint 5 Data Register */
|
||||
|
|
@ -708,7 +720,7 @@ typedef void (*ExcpHndlr) (void) ;
|
|||
#define UDDR14 __REG(0x40600E00) /* UDC Endpoint 14 Data Register */
|
||||
#define UDDR15 __REG(0x406000E0) /* UDC Endpoint 15 Data Register */
|
||||
|
||||
#define UICR0 __REG(0x40600050) /* UDC Interrupt Control Register 0 */
|
||||
#define UICR0 __REG(0x40600004) /* UDC Interrupt Control Register 0 */
|
||||
|
||||
#define UICR0_IM0 (1 << 0) /* Interrupt mask ep 0 */
|
||||
#define UICR0_IM1 (1 << 1) /* Interrupt mask ep 1 */
|
||||
|
|
@ -719,7 +731,7 @@ typedef void (*ExcpHndlr) (void) ;
|
|||
#define UICR0_IM6 (1 << 6) /* Interrupt mask ep 6 */
|
||||
#define UICR0_IM7 (1 << 7) /* Interrupt mask ep 7 */
|
||||
|
||||
#define UICR1 __REG(0x40600054) /* UDC Interrupt Control Register 1 */
|
||||
#define UICR1 __REG(0x40600008) /* UDC Interrupt Control Register 1 */
|
||||
|
||||
#define UICR1_IM8 (1 << 0) /* Interrupt mask ep 8 */
|
||||
#define UICR1_IM9 (1 << 1) /* Interrupt mask ep 9 */
|
||||
|
|
@ -730,18 +742,18 @@ typedef void (*ExcpHndlr) (void) ;
|
|||
#define UICR1_IM14 (1 << 6) /* Interrupt mask ep 14 */
|
||||
#define UICR1_IM15 (1 << 7) /* Interrupt mask ep 15 */
|
||||
|
||||
#define USIR0 __REG(0x40600058) /* UDC Status Interrupt Register 0 */
|
||||
#define USIR0 __REG(0x4060000C) /* UDC Status Interrupt Register 0 */
|
||||
|
||||
#define USIR0_IR0 (1 << 0) /* Interrup request ep 0 */
|
||||
#define USIR0_IR1 (1 << 1) /* Interrup request ep 1 */
|
||||
#define USIR0_IR2 (1 << 2) /* Interrup request ep 2 */
|
||||
#define USIR0_IR1 (1 << 2) /* Interrup request ep 1 */
|
||||
#define USIR0_IR2 (1 << 4) /* Interrup request ep 2 */
|
||||
#define USIR0_IR3 (1 << 3) /* Interrup request ep 3 */
|
||||
#define USIR0_IR4 (1 << 4) /* Interrup request ep 4 */
|
||||
#define USIR0_IR5 (1 << 5) /* Interrup request ep 5 */
|
||||
#define USIR0_IR6 (1 << 6) /* Interrup request ep 6 */
|
||||
#define USIR0_IR7 (1 << 7) /* Interrup request ep 7 */
|
||||
|
||||
#define USIR1 __REG(0x4060005C) /* UDC Status Interrupt Register 1 */
|
||||
#define USIR1 __REG(0x40600010) /* UDC Status Interrupt Register 1 */
|
||||
|
||||
#define USIR1_IR8 (1 << 0) /* Interrup request ep 8 */
|
||||
#define USIR1_IR9 (1 << 1) /* Interrup request ep 9 */
|
||||
|
|
@ -751,24 +763,202 @@ typedef void (*ExcpHndlr) (void) ;
|
|||
#define USIR1_IR13 (1 << 5) /* Interrup request ep 13 */
|
||||
#define USIR1_IR14 (1 << 6) /* Interrup request ep 14 */
|
||||
#define USIR1_IR15 (1 << 7) /* Interrup request ep 15 */
|
||||
#endif /* ! CONFIG_CPU_MONAHANS */
|
||||
|
||||
|
||||
#define UDCICR0 __REG(0x40600004) /* UDC Interrupt Control Register0 */
|
||||
#define UDCICR1 __REG(0x40600008) /* UDC Interrupt Control Register1 */
|
||||
#define UDCICR_FIFOERR (1 << 1) /* FIFO Error interrupt for EP */
|
||||
#define UDCICR_PKTCOMPL (1 << 0) /* Packet Complete interrupt for EP */
|
||||
|
||||
#define UDCICR_INT(n, intr) (((intr) & 0x03) << (((n) & 0x0F) * 2))
|
||||
#define UDCICR1_IECC (1 << 31) /* IntEn - Configuration Change */
|
||||
#define UDCICR1_IESOF (1 << 30) /* IntEn - Start of Frame */
|
||||
#define UDCICR1_IERU (1 << 29) /* IntEn - Resume */
|
||||
#define UDCICR1_IESU (1 << 28) /* IntEn - Suspend */
|
||||
#define UDCICR1_IERS (1 << 27) /* IntEn - Reset */
|
||||
|
||||
#define UDCISR0 __REG(0x4060000C) /* UDC Interrupt Status Register 0 */
|
||||
#define UDCISR1 __REG(0x40600010) /* UDC Interrupt Status Register 1 */
|
||||
#define UDCISR_INT(n, intr) (((intr) & 0x03) << (((n) & 0x0F) * 2))
|
||||
#define UDCISR1_IRCC (1 << 31) /* IntEn - Configuration Change */
|
||||
#define UDCISR1_IRSOF (1 << 30) /* IntEn - Start of Frame */
|
||||
#define UDCISR1_IRRU (1 << 29) /* IntEn - Resume */
|
||||
#define UDCISR1_IRSU (1 << 28) /* IntEn - Suspend */
|
||||
#define UDCISR1_IRRS (1 << 27) /* IntEn - Reset */
|
||||
|
||||
|
||||
#define UDCFNR __REG(0x40600014) /* UDC Frame Number Register */
|
||||
#define UDCOTGICR __REG(0x40600018) /* UDC On-The-Go interrupt control */
|
||||
#define UDCOTGICR_IESF (1 << 24) /* OTG SET_FEATURE command recvd */
|
||||
#define UDCOTGICR_IEXR (1 << 17) /* Extra Transciever Interrupt Rising Edge Interrupt Enable */
|
||||
#define UDCOTGICR_IEXF (1 << 16) /* Extra Transciever Interrupt Falling Edge Interrupt Enable */
|
||||
#define UDCOTGICR_IEVV40R (1 << 9) /* OTG Vbus Valid 4.0V Rising Edge Interrupt Enable */
|
||||
#define UDCOTGICR_IEVV40F (1 << 8) /* OTG Vbus Valid 4.0V Falling Edge Interrupt Enable */
|
||||
#define UDCOTGICR_IEVV44R (1 << 7) /* OTG Vbus Valid 4.4V Rising Edge Interrupt Enable */
|
||||
#define UDCOTGICR_IEVV44F (1 << 6) /* OTG Vbus Valid 4.4V Falling Edge Interrupt Enable */
|
||||
#define UDCOTGICR_IESVR (1 << 5) /* OTG Session Valid Rising Edge Interrupt Enable */
|
||||
#define UDCOTGICR_IESVF (1 << 4) /* OTG Session Valid Falling Edge Interrupt Enable */
|
||||
#define UDCOTGICR_IESDR (1 << 3) /* OTG A-Device SRP Detect Rising Edge Interrupt Enable */
|
||||
#define UDCOTGICR_IESDF (1 << 2) /* OTG A-Device SRP Detect Falling Edge Interrupt Enable */
|
||||
#define UDCOTGICR_IEIDR (1 << 1) /* OTG ID Change Rising Edge Interrupt Enable */
|
||||
#define UDCOTGICR_IEIDF (1 << 0) /* OTG ID Change Falling Edge Interrupt Enable */
|
||||
|
||||
#define UDCCSN(x) __REG2(0x40600100, (x) << 2)
|
||||
#define UDCCSR0 __REG(0x40600100) /* UDC Control/Status register - Endpoint 0 */
|
||||
|
||||
#define UDCCSR0_SA (1 << 7) /* Setup Active */
|
||||
#define UDCCSR0_RNE (1 << 6) /* Receive FIFO Not Empty */
|
||||
#define UDCCSR0_FST (1 << 5) /* Force Stall */
|
||||
#define UDCCSR0_SST (1 << 4) /* Sent Stall */
|
||||
#define UDCCSR0_DME (1 << 3) /* DMA Enable */
|
||||
#define UDCCSR0_FTF (1 << 2) /* Flush Transmit FIFO */
|
||||
#define UDCCSR0_IPR (1 << 1) /* IN Packet Ready */
|
||||
#define UDCCSR0_OPC (1 << 0) /* OUT Packet Complete */
|
||||
|
||||
#define UDCCSRA __REG(0x40600104) /* UDC Control/Status register - Endpoint A */
|
||||
#define UDCCSRB __REG(0x40600108) /* UDC Control/Status register - Endpoint B */
|
||||
#define UDCCSRC __REG(0x4060010C) /* UDC Control/Status register - Endpoint C */
|
||||
#define UDCCSRD __REG(0x40600110) /* UDC Control/Status register - Endpoint D */
|
||||
#define UDCCSRE __REG(0x40600114) /* UDC Control/Status register - Endpoint E */
|
||||
#define UDCCSRF __REG(0x40600118) /* UDC Control/Status register - Endpoint F */
|
||||
#define UDCCSRG __REG(0x4060011C) /* UDC Control/Status register - Endpoint G */
|
||||
#define UDCCSRH __REG(0x40600120) /* UDC Control/Status register - Endpoint H */
|
||||
#define UDCCSRI __REG(0x40600124) /* UDC Control/Status register - Endpoint I */
|
||||
#define UDCCSRJ __REG(0x40600128) /* UDC Control/Status register - Endpoint J */
|
||||
#define UDCCSRK __REG(0x4060012C) /* UDC Control/Status register - Endpoint K */
|
||||
#define UDCCSRL __REG(0x40600130) /* UDC Control/Status register - Endpoint L */
|
||||
#define UDCCSRM __REG(0x40600134) /* UDC Control/Status register - Endpoint M */
|
||||
#define UDCCSRN __REG(0x40600138) /* UDC Control/Status register - Endpoint N */
|
||||
#define UDCCSRP __REG(0x4060013C) /* UDC Control/Status register - Endpoint P */
|
||||
#define UDCCSRQ __REG(0x40600140) /* UDC Control/Status register - Endpoint Q */
|
||||
#define UDCCSRR __REG(0x40600144) /* UDC Control/Status register - Endpoint R */
|
||||
#define UDCCSRS __REG(0x40600148) /* UDC Control/Status register - Endpoint S */
|
||||
#define UDCCSRT __REG(0x4060014C) /* UDC Control/Status register - Endpoint T */
|
||||
#define UDCCSRU __REG(0x40600150) /* UDC Control/Status register - Endpoint U */
|
||||
#define UDCCSRV __REG(0x40600154) /* UDC Control/Status register - Endpoint V */
|
||||
#define UDCCSRW __REG(0x40600158) /* UDC Control/Status register - Endpoint W */
|
||||
#define UDCCSRX __REG(0x4060015C) /* UDC Control/Status register - Endpoint X */
|
||||
|
||||
#define UDCCSR_DPE (1 << 9) /* Data Packet Error */
|
||||
#define UDCCSR_FEF (1 << 8) /* Flush Endpoint FIFO */
|
||||
#define UDCCSR_SP (1 << 7) /* Short Packet Control/Status */
|
||||
#define UDCCSR_BNE (1 << 6) /* Buffer Not Empty (IN endpoints) */
|
||||
#define UDCCSR_BNF (1 << 6) /* Buffer Not Full (OUT endpoints) */
|
||||
#define UDCCSR_FST (1 << 5) /* Force STALL */
|
||||
#define UDCCSR_SST (1 << 4) /* Sent STALL */
|
||||
#define UDCCSR_DME (1 << 3) /* DMA Enable */
|
||||
#define UDCCSR_TRN (1 << 2) /* Tx/Rx NAK */
|
||||
#define UDCCSR_PC (1 << 1) /* Packet Complete */
|
||||
#define UDCCSR_FS (1 << 0) /* FIFO needs service */
|
||||
|
||||
#define UDCBCN(x) __REG2(0x40600200, (x)<<2)
|
||||
#define UDCBCR0 __REG(0x40600200) /* Byte Count Register - EP0 */
|
||||
#define UDCBCRA __REG(0x40600204) /* Byte Count Register - EPA */
|
||||
#define UDCBCRB __REG(0x40600208) /* Byte Count Register - EPB */
|
||||
#define UDCBCRC __REG(0x4060020C) /* Byte Count Register - EPC */
|
||||
#define UDCBCRD __REG(0x40600210) /* Byte Count Register - EPD */
|
||||
#define UDCBCRE __REG(0x40600214) /* Byte Count Register - EPE */
|
||||
#define UDCBCRF __REG(0x40600218) /* Byte Count Register - EPF */
|
||||
#define UDCBCRG __REG(0x4060021C) /* Byte Count Register - EPG */
|
||||
#define UDCBCRH __REG(0x40600220) /* Byte Count Register - EPH */
|
||||
#define UDCBCRI __REG(0x40600224) /* Byte Count Register - EPI */
|
||||
#define UDCBCRJ __REG(0x40600228) /* Byte Count Register - EPJ */
|
||||
#define UDCBCRK __REG(0x4060022C) /* Byte Count Register - EPK */
|
||||
#define UDCBCRL __REG(0x40600230) /* Byte Count Register - EPL */
|
||||
#define UDCBCRM __REG(0x40600234) /* Byte Count Register - EPM */
|
||||
#define UDCBCRN __REG(0x40600238) /* Byte Count Register - EPN */
|
||||
#define UDCBCRP __REG(0x4060023C) /* Byte Count Register - EPP */
|
||||
#define UDCBCRQ __REG(0x40600240) /* Byte Count Register - EPQ */
|
||||
#define UDCBCRR __REG(0x40600244) /* Byte Count Register - EPR */
|
||||
#define UDCBCRS __REG(0x40600248) /* Byte Count Register - EPS */
|
||||
#define UDCBCRT __REG(0x4060024C) /* Byte Count Register - EPT */
|
||||
#define UDCBCRU __REG(0x40600250) /* Byte Count Register - EPU */
|
||||
#define UDCBCRV __REG(0x40600254) /* Byte Count Register - EPV */
|
||||
#define UDCBCRW __REG(0x40600258) /* Byte Count Register - EPW */
|
||||
#define UDCBCRX __REG(0x4060025C) /* Byte Count Register - EPX */
|
||||
|
||||
#define UDCDN(x) __REG2(0x40600300, (x)<<2)
|
||||
#define UDCDR0 __REG(0x40600300) /* Data Register - EP0 */
|
||||
#define UDCDRA __REG(0x40600304) /* Data Register - EPA */
|
||||
#define UDCDRB __REG(0x40600308) /* Data Register - EPB */
|
||||
#define UDCDRC __REG(0x4060030C) /* Data Register - EPC */
|
||||
#define UDCDRD __REG(0x40600310) /* Data Register - EPD */
|
||||
#define UDCDRE __REG(0x40600314) /* Data Register - EPE */
|
||||
#define UDCDRF __REG(0x40600318) /* Data Register - EPF */
|
||||
#define UDCDRG __REG(0x4060031C) /* Data Register - EPG */
|
||||
#define UDCDRH __REG(0x40600320) /* Data Register - EPH */
|
||||
#define UDCDRI __REG(0x40600324) /* Data Register - EPI */
|
||||
#define UDCDRJ __REG(0x40600328) /* Data Register - EPJ */
|
||||
#define UDCDRK __REG(0x4060032C) /* Data Register - EPK */
|
||||
#define UDCDRL __REG(0x40600330) /* Data Register - EPL */
|
||||
#define UDCDRM __REG(0x40600334) /* Data Register - EPM */
|
||||
#define UDCDRN __REG(0x40600338) /* Data Register - EPN */
|
||||
#define UDCDRP __REG(0x4060033C) /* Data Register - EPP */
|
||||
#define UDCDRQ __REG(0x40600340) /* Data Register - EPQ */
|
||||
#define UDCDRR __REG(0x40600344) /* Data Register - EPR */
|
||||
#define UDCDRS __REG(0x40600348) /* Data Register - EPS */
|
||||
#define UDCDRT __REG(0x4060034C) /* Data Register - EPT */
|
||||
#define UDCDRU __REG(0x40600350) /* Data Register - EPU */
|
||||
#define UDCDRV __REG(0x40600354) /* Data Register - EPV */
|
||||
#define UDCDRW __REG(0x40600358) /* Data Register - EPW */
|
||||
#define UDCDRX __REG(0x4060035C) /* Data Register - EPX */
|
||||
|
||||
#define UDCCN(x) __REG2(0x40600400, (x)<<2)
|
||||
#define UDCCRA __REG(0x40600404) /* Configuration register EPA */
|
||||
#define UDCCRB __REG(0x40600408) /* Configuration register EPB */
|
||||
#define UDCCRC __REG(0x4060040C) /* Configuration register EPC */
|
||||
#define UDCCRD __REG(0x40600410) /* Configuration register EPD */
|
||||
#define UDCCRE __REG(0x40600414) /* Configuration register EPE */
|
||||
#define UDCCRF __REG(0x40600418) /* Configuration register EPF */
|
||||
#define UDCCRG __REG(0x4060041C) /* Configuration register EPG */
|
||||
#define UDCCRH __REG(0x40600420) /* Configuration register EPH */
|
||||
#define UDCCRI __REG(0x40600424) /* Configuration register EPI */
|
||||
#define UDCCRJ __REG(0x40600428) /* Configuration register EPJ */
|
||||
#define UDCCRK __REG(0x4060042C) /* Configuration register EPK */
|
||||
#define UDCCRL __REG(0x40600430) /* Configuration register EPL */
|
||||
#define UDCCRM __REG(0x40600434) /* Configuration register EPM */
|
||||
#define UDCCRN __REG(0x40600438) /* Configuration register EPN */
|
||||
#define UDCCRP __REG(0x4060043C) /* Configuration register EPP */
|
||||
#define UDCCRQ __REG(0x40600440) /* Configuration register EPQ */
|
||||
#define UDCCRR __REG(0x40600444) /* Configuration register EPR */
|
||||
#define UDCCRS __REG(0x40600448) /* Configuration register EPS */
|
||||
#define UDCCRT __REG(0x4060044C) /* Configuration register EPT */
|
||||
#define UDCCRU __REG(0x40600450) /* Configuration register EPU */
|
||||
#define UDCCRV __REG(0x40600454) /* Configuration register EPV */
|
||||
#define UDCCRW __REG(0x40600458) /* Configuration register EPW */
|
||||
#define UDCCRX __REG(0x4060045C) /* Configuration register EPX */
|
||||
|
||||
#define UDCCONR_CN (0x03 << 25) /* Configuration Number */
|
||||
#define UDCCONR_CN_S (25)
|
||||
#define UDCCONR_IN (0x07 << 22) /* Interface Number */
|
||||
#define UDCCONR_IN_S (22)
|
||||
#define UDCCONR_AISN (0x07 << 19) /* Alternate Interface Number */
|
||||
#define UDCCONR_AISN_S (19)
|
||||
#define UDCCONR_EN (0x0f << 15) /* Endpoint Number */
|
||||
#define UDCCONR_EN_S (15)
|
||||
#define UDCCONR_ET (0x03 << 13) /* Endpoint Type: */
|
||||
#define UDCCONR_ET_S (13)
|
||||
#define UDCCONR_ET_INT (0x03 << 13) /* Interrupt */
|
||||
#define UDCCONR_ET_BULK (0x02 << 13) /* Bulk */
|
||||
#define UDCCONR_ET_ISO (0x01 << 13) /* Isochronous */
|
||||
#define UDCCONR_ET_NU (0x00 << 13) /* Not used */
|
||||
#define UDCCONR_ED (1 << 12) /* Endpoint Direction */
|
||||
#define UDCCONR_MPS (0x3ff << 2) /* Maximum Packet Size */
|
||||
#define UDCCONR_MPS_S (2)
|
||||
#define UDCCONR_DE (1 << 1) /* Double Buffering Enable */
|
||||
#define UDCCONR_EE (1 << 0) /* Endpoint Enable */
|
||||
|
||||
|
||||
#define UDC_INT_FIFOERROR (0x2)
|
||||
#define UDC_INT_PACKETCMP (0x1)
|
||||
#define UDC_FNR_MASK (0x7ff)
|
||||
#define UDCCSR_WR_MASK (UDCCSR_DME|UDCCSR_FST)
|
||||
#define UDC_BCR_MASK (0x3ff)
|
||||
|
||||
#endif /* CONFIG_PXA27X */
|
||||
|
||||
#if defined(CONFIG_PXA27X) || defined(CONFIG_CPU_MONAHANS)
|
||||
|
||||
/*
|
||||
* USB Client Controller (incomplete)
|
||||
*/
|
||||
#define UDCCR __REG(0x40600000)
|
||||
#define UDCICR0 __REG(0x40600004)
|
||||
#define UDCCIR0 __REG(0x40600008)
|
||||
#define UDCISR0 __REG(0x4060000c)
|
||||
#define UDCSIR1 __REG(0x40600010)
|
||||
#define UDCFNR __REG(0x40600014)
|
||||
#define UDCOTGICR __REG(0x40600018)
|
||||
#define UDCOTGISR __REG(0x4060001c)
|
||||
#define UP2OCR __REG(0x40600020)
|
||||
#define UP3OCR __REG(0x40600024)
|
||||
|
||||
/*
|
||||
* USB Host Controller
|
||||
*/
|
||||
|
|
|
|||
69
include/usb/pxa27x_udc.h
Normal file
69
include/usb/pxa27x_udc.h
Normal file
|
|
@ -0,0 +1,69 @@
|
|||
/*
|
||||
* PXA27x register declarations and HCD data structures
|
||||
*
|
||||
* Copyright (C) 2007 Rodolfo Giometti <giometti@linux.it>
|
||||
* Copyright (C) 2007 Eurotech S.p.A. <info@eurotech.it>
|
||||
*
|
||||
* 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., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
|
||||
#ifndef __PXA270X_UDC_H__
|
||||
#define __PXA270X_UDC_H__
|
||||
|
||||
#include <asm/byteorder.h>
|
||||
|
||||
/* Endpoint 0 states */
|
||||
#define EP0_IDLE 0
|
||||
#define EP0_IN_DATA 1
|
||||
#define EP0_OUT_DATA 2
|
||||
#define EP0_XFER_COMPLETE 3
|
||||
|
||||
|
||||
/* Endpoint parameters */
|
||||
#define MAX_ENDPOINTS 4
|
||||
#define EP_MAX_PACKET_SIZE 64
|
||||
|
||||
#define EP0_MAX_PACKET_SIZE 16
|
||||
#define UDC_OUT_ENDPOINT 0x02
|
||||
#define UDC_OUT_PACKET_SIZE EP_MAX_PACKET_SIZE
|
||||
#define UDC_IN_ENDPOINT 0x01
|
||||
#define UDC_IN_PACKET_SIZE EP_MAX_PACKET_SIZE
|
||||
#define UDC_INT_ENDPOINT 0x05
|
||||
#define UDC_INT_PACKET_SIZE EP_MAX_PACKET_SIZE
|
||||
#define UDC_BULK_PACKET_SIZE EP_MAX_PACKET_SIZE
|
||||
|
||||
void udc_irq(void);
|
||||
/* Flow control */
|
||||
void udc_set_nak(int epid);
|
||||
void udc_unset_nak(int epid);
|
||||
|
||||
/* Higher level functions for abstracting away from specific device */
|
||||
int udc_endpoint_write(struct usb_endpoint_instance *endpoint);
|
||||
|
||||
int udc_init(void);
|
||||
|
||||
void udc_enable(struct usb_device_instance *device);
|
||||
void udc_disable(void);
|
||||
|
||||
void udc_connect(void);
|
||||
void udc_disconnect(void);
|
||||
|
||||
void udc_startup_events(struct usb_device_instance *device);
|
||||
void udc_setup_ep(struct usb_device_instance *device,
|
||||
unsigned int ep, struct usb_endpoint_instance *endpoint);
|
||||
|
||||
#endif
|
||||
Loading…
Reference in a new issue