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hang on USB hc reset

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This commit is contained in:
Markus Fröschle
2013-11-09 18:09:01 +00:00
parent 4cb667facd
commit bc1cd70d8e
2 changed files with 9 additions and 7 deletions
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6
sources/ohci-hcd.c
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@@ -73,7 +73,7 @@
#define CONFIG_SYS_OHCI_SWAP_REG_ACCESS
#ifdef CONFIG_SYS_OHCI_SWAP_REG_ACCESS
#define readl(a) swpl(*((volatile uint32_t *)(a)))
#define writel(a, b) (*((volatile uint32_t *)(b)) = swpl((volatile uint32_t)a))
#define writel(a, b) (*((volatile uint32_t *)(b)) = swpl((volatile uint32_t)(a)))
#else
#define readl(a) (*((volatile uint32_t *)(a)))
#define writel(a, b) (*((volatile uint32_t *)(b)) = ((volatile uint32_t)a))
@@ -1643,7 +1643,6 @@ static int hc_reset(ohci_t *ohci)
}
xprintf("control: %x\r\n", readl(&ohci->regs->control));
ohci_dump_status(ohci);
if (readl(&ohci->regs->control) & OHCI_CTRL_IR)
{
/* SMM owns the HC */
@@ -1659,8 +1658,10 @@ static int hc_reset(ohci_t *ohci)
}
}
}
/* Disable HC interrupts */
writel(OHCI_INTR_MIE, &ohci->regs->intrdisable);
ohci_dump_status(ohci);
dbg("USB OHCI HC reset_hc usb-%s-%c: ctrl = 0x%X", ohci->slot_name, (char)ohci->controller + '0', readl(&ohci->regs->control));
/* Reset USB (needed by some controllers) */
ohci->hc_control = 0;
@@ -1673,6 +1674,7 @@ static int hc_reset(ohci_t *ohci)
if (--timeout == 0)
{
err("USB HC reset timed out!");
ohci_dump_status(ohci);
return -1;
}
wait(10);