*
* Copyright (c) 2008 Texas Instruments
*
- * 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
+ * SPDX-License-Identifier: GPL-2.0+
*
* Author: Thomas Abraham t-abraham@ti.com, Texas Instruments
*/
#include <common.h>
+#include <usb.h>
#include "musb_hcd.h"
/* MSC control transfers */
/*
* waits until tx ep is ready. Returns 1 when ep is ready and 0 on error.
*/
-static u8 wait_until_txep_ready(struct usb_device *dev, u8 ep)
+static int wait_until_txep_ready(struct usb_device *dev, u8 ep)
{
u16 csr;
int timeout = CONFIG_MUSB_TIMEOUT;
/*
* waits until rx ep is ready. Returns 1 when ep is ready and 0 on error.
*/
-static u8 wait_until_rxep_ready(struct usb_device *dev, u8 ep)
+static int wait_until_rxep_ready(struct usb_device *dev, u8 ep)
{
u16 csr;
int timeout = CONFIG_MUSB_TIMEOUT;
/* Set TXPKTRDY bit */
csr = readw(&musbr->txcsr);
- writew(csr | MUSB_CSR0_H_DIS_PING | MUSB_CSR0_TXPKTRDY,
- &musbr->txcsr);
+
+ csr |= MUSB_CSR0_TXPKTRDY;
+#if !defined(CONFIG_SOC_DM365)
+ csr |= MUSB_CSR0_H_DIS_PING;
+#endif
+ writew(csr, &musbr->txcsr);
result = wait_until_ep0_ready(dev, MUSB_CSR0_TXPKTRDY);
if (result < 0)
break;
/* Set the StatusPkt bit */
csr = readw(&musbr->txcsr);
- csr |= (MUSB_CSR0_H_DIS_PING | MUSB_CSR0_TXPKTRDY |
- MUSB_CSR0_H_STATUSPKT);
+ csr |= (MUSB_CSR0_TXPKTRDY | MUSB_CSR0_H_STATUSPKT);
+#if !defined(CONFIG_SOC_DM365)
+ csr |= MUSB_CSR0_H_DIS_PING;
+#endif
writew(csr, &musbr->txcsr);
/* Wait until TXPKTRDY bit is cleared */
int result;
/* Set the StatusPkt bit and ReqPkt bit */
- csr = MUSB_CSR0_H_DIS_PING | MUSB_CSR0_H_REQPKT | MUSB_CSR0_H_STATUSPKT;
+ csr = MUSB_CSR0_H_REQPKT | MUSB_CSR0_H_STATUSPKT;
+#if !defined(CONFIG_SOC_DM365)
+ csr |= MUSB_CSR0_H_DIS_PING;
+#endif
writew(csr, &musbr->txcsr);
result = wait_until_ep0_ready(dev, MUSB_CSR0_H_REQPKT);
*/
static u8 get_dev_speed(struct usb_device *dev)
{
- return (dev->speed & USB_SPEED_HIGH) ? MUSB_TYPE_SPEED_HIGH :
- ((dev->speed & USB_SPEED_LOW) ? MUSB_TYPE_SPEED_LOW :
+ return (dev->speed == USB_SPEED_HIGH) ? MUSB_TYPE_SPEED_HIGH :
+ ((dev->speed == USB_SPEED_LOW) ? MUSB_TYPE_SPEED_LOW :
MUSB_TYPE_SPEED_FULL);
}
writew(csr | MUSB_TXCSR_TXPKTRDY, &musbr->txcsr);
/* Wait until the TxPktRdy bit is cleared */
- if (!wait_until_txep_ready(dev, MUSB_BULK_EP)) {
+ if (wait_until_txep_ready(dev, MUSB_BULK_EP) != 1) {
readw(&musbr->txcsr);
usb_settoggle(dev, ep, dir_out,
(csr >> MUSB_TXCSR_H_DATATOGGLE_SHIFT) & 1);
writew(csr | MUSB_RXCSR_H_REQPKT, &musbr->rxcsr);
/* Wait until the RxPktRdy bit is set */
- if (!wait_until_rxep_ready(dev, MUSB_BULK_EP)) {
+ if (wait_until_rxep_ready(dev, MUSB_BULK_EP) != 1) {
csr = readw(&musbr->rxcsr);
usb_settoggle(dev, ep, dir_out,
(csr >> MUSB_S_RXCSR_H_DATATOGGLE) & 1);
/*
* This function initializes the usb controller module.
*/
-int usb_lowlevel_init(void)
+int usb_lowlevel_init(int index, void **controller)
{
u8 power;
u32 timeout;
/* Configure all the endpoint FIFO's and start usb controller */
musbr = musb_cfg.regs;
- musb_configure_ep(&epinfo[0],
- sizeof(epinfo) / sizeof(struct musb_epinfo));
+ musb_configure_ep(&epinfo[0], ARRAY_SIZE(epinfo));
musb_start();
/*
* should be a usb device connected.
*/
timeout = musb_cfg.timeout;
- while (timeout--)
+ while (--timeout)
if (readb(&musbr->devctl) & MUSB_DEVCTL_HM)
break;
/*
* This function stops the operation of the davinci usb module.
*/
-int usb_lowlevel_stop(void)
+int usb_lowlevel_stop(int index)
{
/* Reset the USB module */
musb_platform_deinit();
writew(csr | MUSB_RXCSR_H_REQPKT, &musbr->rxcsr);
/* Wait until the RxPktRdy bit is set */
- if (!wait_until_rxep_ready(dev, MUSB_INTR_EP)) {
+ if (wait_until_rxep_ready(dev, MUSB_INTR_EP) != 1) {
csr = readw(&musbr->rxcsr);
usb_settoggle(dev, ep, dir_out,
(csr >> MUSB_S_RXCSR_H_DATATOGGLE) & 1);