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USB chip registers seem to be visible now

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This commit is contained in:
Markus Fröschle
2013-11-09 17:35:49 +00:00
parent 349dbff762
commit 4cb667facd
3 changed files with 24 additions and 11 deletions
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6
sources/ohci-hcd.c
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@@ -70,6 +70,7 @@
* e.g. PCI controllers need this
*/
#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))
@@ -1642,6 +1643,7 @@ 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 */
@@ -1663,7 +1665,7 @@ static int hc_reset(ohci_t *ohci)
/* Reset USB (needed by some controllers) */
ohci->hc_control = 0;
writel(ohci->hc_control, &ohci->regs->control);
wait(50 * 1000);
wait(50);
/* HC Reset requires max 10 us delay */
writel(OHCI_HCR, &ohci->regs->cmdstatus);
while ((readl(&ohci->regs->cmdstatus) & OHCI_HCR) != 0)
@@ -1673,7 +1675,7 @@ static int hc_reset(ohci_t *ohci)
err("USB HC reset timed out!");
return -1;
}
wait(1 * 1000);
wait(10);
}
return 0;
}