Dear Benoît Thébaudeau,
> Signed-off-by: Benoît Thébaudeau <benoit.thebaud...@advansee.com>
> Cc: Marek Vasut <ma...@denx.de>
> Cc: Ilya Yanok <ilya.ya...@cogentembedded.com>
> Cc: Stefan Herbrechtsmeier <ste...@herbrechtsmeier.net>
> ---
> Changes for v2: N/A.
> Changes for v3:
> - New patch.
>
> .../drivers/usb/host/ehci-hcd.c | 135
> +++++++++++--------- .../drivers/usb/host/ehci.h |
> 75 ++++++++++- 2 files changed, 150 insertions(+), 60 deletions(-)
>
> diff --git u-boot-usb-8d5fb14.orig/drivers/usb/host/ehci-hcd.c
> u-boot-usb-8d5fb14/drivers/usb/host/ehci-hcd.c index 5b3b906..1977c28
> 100644
> --- u-boot-usb-8d5fb14.orig/drivers/usb/host/ehci-hcd.c
> +++ u-boot-usb-8d5fb14/drivers/usb/host/ehci-hcd.c
> @@ -163,7 +163,7 @@ static int ehci_reset(void)
>
> #ifdef CONFIG_USB_EHCI_TXFIFO_THRESH
> cmd = ehci_readl(&hcor->or_txfilltuning);
> - cmd &= ~TXFIFO_THRESH(0x3f);
> + cmd &= ~TXFIFO_THRESH_MASK;
> cmd |= TXFIFO_THRESH(CONFIG_USB_EHCI_TXFIFO_THRESH);
> ehci_writel(&hcor->or_txfilltuning, cmd);
> #endif
> @@ -186,7 +186,7 @@ static int ehci_td_buffer(struct qTD *td, void *buf,
> size_t sz) while (idx < QT_BUFFER_CNT) {
> td->qt_buffer[idx] = cpu_to_hc32(addr);
> td->qt_buffer_hi[idx] = 0;
> - next = (addr + 4096) & ~4095;
> + next = (addr + EHCI_PAGE_SIZE) & ~(EHCI_PAGE_SIZE - 1);
> delta = next - addr;
> if (delta >= sz)
> break;
> @@ -208,7 +208,8 @@ ehci_submit_async(struct usb_device *dev, unsigned long
> pipe, void *buffer, int length, struct devrequest *req)
> {
> ALLOC_ALIGN_BUFFER(struct QH, qh, 1, USB_DMA_MINALIGN);
> - ALLOC_ALIGN_BUFFER(struct qTD, qtd, 3, USB_DMA_MINALIGN);
> +#define QTD_COUNT 3
> + ALLOC_ALIGN_BUFFER(struct qTD, qtd, QTD_COUNT, USB_DMA_MINALIGN);
> int qtd_counter = 0;
>
> volatile struct qTD *vtd;
> @@ -230,7 +231,7 @@ ehci_submit_async(struct usb_device *dev, unsigned long
> pipe, void *buffer, le16_to_cpu(req->index));
>
> memset(qh, 0, sizeof(struct QH));
> - memset(qtd, 0, 3 * sizeof(*qtd));
> + memset(qtd, 0, QTD_COUNT * sizeof(*qtd));
>
> toggle = usb_gettoggle(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe));
>
> @@ -246,19 +247,20 @@ ehci_submit_async(struct usb_device *dev, unsigned
> long pipe, void *buffer, */
> qh->qh_link = cpu_to_hc32((uint32_t)qh_list | QH_LINK_TYPE_QH);
> c = (usb_pipespeed(pipe) != USB_SPEED_HIGH &&
> - usb_pipeendpoint(pipe) == 0) ? 1 : 0;
> - endpt = (8 << 28) |
> - (c << 27) |
> - (usb_maxpacket(dev, pipe) << 16) |
> - (0 << 15) |
> - (1 << 14) |
> - (usb_pipespeed(pipe) << 12) |
> - (usb_pipeendpoint(pipe) << 8) |
> - (0 << 7) | (usb_pipedevice(pipe) << 0);
> + usb_pipeendpoint(pipe) == 0);
> + endpt = (8 << QH_ENDPT1_RL) |
> + (c << QH_ENDPT1_C) |
Maybe define it as #deifne QH_ENDPT1(x) ((x) << SEOMTHING) ?
[...]
> @@ -398,50 +408,53 @@ ehci_submit_async(struct usb_device *dev, unsigned
> long pipe, void *buffer, ALIGN((uint32_t)buffer + length,
> ARCH_DMA_MINALIGN));
>
> /* Check that the TD processing happened */
> - if (token & 0x80) {
> + if (token & (QT_TOKEN_STATUS_ACTIVE << QT_TOKEN_STATUS))
> printf("EHCI timed out on TD - token=%#x\n", token);
> - }
>
> /* Disable async schedule. */
> cmd = ehci_readl(&hcor->or_usbcmd);
> cmd &= ~CMD_ASE;
> ehci_writel(&hcor->or_usbcmd, cmd);
>
> - ret = handshake((uint32_t *)&hcor->or_usbsts, STD_ASS, 0,
> + ret = handshake((uint32_t *)&hcor->or_usbsts, STS_ASS, 0,
Ooooh, nice catch :)
[...]
The rest is cool.
btw when (I hope you will) resubmitting next time, just submit the whole series
under 0/8 patch (or 1/8) of the old one to make it a nice thread.
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