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Add subroutines to download firmware into Cypress (formerly Anchor)

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EZ-USB chips.
This commit is contained in:
augustss 2001-01-02 18:49:56 +00:00
parent 5c594236a9
commit 5b86e8bfa8
2 changed files with 174 additions and 1 deletions
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169
sys/dev/usb/ezload.c Normal file
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@ -0,0 +1,169 @@
/* $NetBSD: ezload.c,v 1.1 2001/01/02 18:49:56 augustss Exp $ */
/*
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Lennart Augustsson <lennart@augustsson.net>.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <sys/conf.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdi_util.h>
#include <dev/usb/ezload.h>
/*
* Vendor specific request code for Anchor Upload/Download
*/
/* This one is implemented in the core */
#define ANCHOR_LOAD_INTERNAL 0xA0
/* This is the highest internal RAM address for the AN2131Q */
#define ANCHOR_MAX_INTERNAL_ADDRESS 0x1B3F
/*
* EZ-USB Control and Status Register. Bit 0 controls 8051 reset
*/
#define ANCHOR_CPUCS_REG 0x7F92
#define ANCHOR_RESET 0x01
/*
* Although USB does not limit you here, the Anchor docs
* quote 64 as a limit, and Mato@activewireinc.com suggested
* to use 16.
* which is too big as an error for now.
*/
#define ANCHOR_CHUNK 16
/*
* This is a firmware loader for ezusb (Anchor) devices. When the firmware
* has been downloaded the device will simulate a disconnect and when it
* is next recognized by the USB software it will appear as another
* device.
*/
#ifdef USB_DEBUG
#define DPRINTF(x) if (ezloaddebug) printf x
#define DPRINTFN(n,x) if (ezloaddebug>(n)) printf x
int ezloaddebug = 0;
#else
#define DPRINTF(x)
#define DPRINTFN(n,x)
#endif
usbd_status
ezload_reset(usbd_device_handle dev, int reset)
{
usb_device_request_t req;
uByte rst;
DPRINTF(("ezload_reset: reset=%d\n", reset));
rst = reset ? ANCHOR_RESET : 0;
req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
req.bRequest = ANCHOR_LOAD_INTERNAL;
USETW(req.wValue, ANCHOR_CPUCS_REG);
USETW(req.wIndex, 0);
USETW(req.wLength, 1);
return (usbd_do_request(dev, &req, &rst));
}
usbd_status
ezload_download(usbd_device_handle dev, struct ezdata *rec)
{
usb_device_request_t req;
struct ezdata *ptr;
usbd_status err;
u_int len, offs;
DPRINTF(("ezload_down record=%p\n", rec));
for (ptr = rec; ptr->length != 0; ptr++) {
#if 0
if (ptr->address + ptr->length > ANCHOR_MAX_INTERNAL_ADDRESS)
return (USBD_INVAL);
#endif
req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
req.bRequest = ANCHOR_LOAD_INTERNAL;
USETW(req.wIndex, 0);
for (offs = 0; offs < ptr->length; offs += ANCHOR_CHUNK) {
len = ptr->length - offs;
if (len > ANCHOR_CHUNK)
len = ANCHOR_CHUNK;
USETW(req.wValue, ptr->address + offs);
USETW(req.wLength, len);
DPRINTFN(5,("ezload_download: addr=0x%x len=%d\n",
ptr->address + offs, len));
err = usbd_do_request(dev, &req, ptr->data + offs);
if (err)
break;
}
if (err)
break;
}
return (err);
}
usbd_status
ezload_downloads_and_reset(usbd_device_handle dev, struct ezdata **recs)
{
usbd_status err;
(void)ezload_reset(dev, 1);
err = ezload_reset(dev, 1);
if (err)
return (err);
usbd_delay_ms(dev, 250);
while (*recs != NULL) {
err = ezload_download(dev, *recs++);
if (err)
return (err);
}
if (err)
return (err);
usbd_delay_ms(dev, 250);
(void)ezload_reset(dev, 0);
err = ezload_reset(dev, 0);
usbd_delay_ms(dev, 250);
return (err);
}

6
sys/dev/usb/files.usb
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@ -1,4 +1,4 @@
# $NetBSD: files.usb,v 1.22 2000/09/23 04:32:23 augustss Exp $
# $NetBSD: files.usb,v 1.23 2001/01/02 18:49:56 augustss Exp $
#
# Config file and device description for machine-independent USB code.
# Included by ports that need it. Ports that use it must provide
@ -27,6 +27,10 @@ attach uhub at uhub with uhub_uhub
# Modem and com serial port "bus"
define ucombus {[ portno = -1 ]}
# EZ-USB firmware loader
define ezload
file dev/usb/ezload.c ezload
# Audio devices
device uaudio: audio, auconv, mulaw
attach uaudio at uhub