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Altera_Forum's avatar
Altera_Forum
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14 years ago

USB on altera DE2 board

I'm working on usb communication on the Altera DE2 kit, have to follow the instructions on the wiki NIOS, the source linux I used is 20090808

sytem_0. ptf file from vga mouse host projects in DE2_system DE2 CD

first make,download and boot then detect the hub 1-0: 2 ports detected

the second,with the above zImage, download and boot it can't detect usb hub 1-0: 1 port detected

i don't understand why this error

I followed the instructions on the forum is how to skip clock = check immediately return 1 after variable declaration in the function file hc_reset of isp1362-hcd.c but still not detect the usb

Who solved this problem can you help me? 

static int isp1362_hc_reset(struct usb_hcd *hcd)
{
	int ret = 0;
	struct isp1362_hcd *isp1362_hcd = hcd_to_isp1362_hcd(hcd);
	unsigned long t;
	unsigned long timeout = 100;
	unsigned long flags;
	int clkrdy = 0;
	ret=1;
	pr_info("%s:\n", __func__);
	if (isp1362_hcd->board && isp1362_hcd->board->reset) {
		isp1362_hcd->board->reset(hcd->self.controller, 1);
		msleep(20);
		if (isp1362_hcd->board->clock)
			isp1362_hcd->board->clock(hcd->self.controller, 1);
		isp1362_hcd->board->reset(hcd->self.controller, 0);
	} else
		isp1362_sw_reset(isp1362_hcd);
	/* chip has been reset. First we need to see a clock */
	t = jiffies + msecs_to_jiffies(timeout);
	while (!clkrdy && time_before_eq(jiffies, t)) {
		spin_lock_irqsave(&isp1362_hcd->lock, flags);
		clkrdy = isp1362_read_reg16(isp1362_hcd, HCuPINT) & HCuPINT_CLKRDY;
		spin_unlock_irqrestore(&isp1362_hcd->lock, flags);
		if (!clkrdy)
			msleep(4);
	}
	spin_lock_irqsave(&isp1362_hcd->lock, flags);
	isp1362_write_reg16(isp1362_hcd, HCuPINT, HCuPINT_CLKRDY);
	spin_unlock_irqrestore(&isp1362_hcd->lock, flags);
	//if (!clkrdy) {
	if (clkrdy) {
//end of edit
		pr_err("Clock not ready after %lums\n", timeout);
		ret = -ENODEV;
	}
	return ret;
}

5 Replies

  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor
    14 years ago

    --- Quote Start ---

    , the source linux I used is 20090808

    --- Quote End ---

    Much too old to be supported by anybody.

    You need to upgrade using the current git files.

    -Michael
  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor
    14 years ago

    @ mschnell :

    I see the latest version source nios linux on the nios ftp is nioslinux 20100621, can i use this source or need to run command "./update"?
  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor
    14 years ago

    Sorry, I not working actively with NIOS any more, so I am not knowledgeable regarding the latest proceedings.

    -Michael
  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor
    14 years ago

    i used file sytem_0.ptf from DE2_NIOS_HOST_MOUSE_VGA on DE2_SytemCD.v1.6,

    the OS is Ubuntu 10.10

    version quartus 9.1sp1 & nios ide 9.1 on Window to download zImage and boot

    I read instructions on USBHost (altera wiki)

    use ISP1362_CTRL.v to create new components named "ISP1362" ,

    set setup time,hold time... = 100 ns,

    add 2 interfaces interrupt sender & interrupt sender to avalon_slave_0 & interrupt_sender_1 to avalon_slave_1, set NATIVE on avalon slave_0 &1, set type "irq_n"

    set OTG_signal to " conduit-end" and their types are "export"

    then complete this component, I add it to sopc, name "ISP1362"

    But have no effect, still detect 1 port hub1-0, who can supported me to solve this problem?

    I'm not good at English, sorry