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Modify xhci_legacy_init so that the xHCI can adapt to XiZi AIOT

This commit is contained in:
xj 2024-07-01 01:37:23 -07:00
parent eac58cedec
commit e34d688cc3
1 changed files with 2 additions and 1 deletions
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3
Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/xhci/xhci.c
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@ -327,7 +327,8 @@ static void xhci_legacy_init ( struct xhci_host *xhci ) {
/* Check if legacy USB support is enabled */ /* Check if legacy USB support is enabled */
USB_LOG_DBG("XHCI %s bios offset 0x%x\n", xhci->name, (xhci->cap + legacy + XHCI_USBLEGSUP_BIOS)); USB_LOG_DBG("XHCI %s bios offset 0x%x\n", xhci->name, (xhci->cap + legacy + XHCI_USBLEGSUP_BIOS));
/* bios = readb ( xhci->cap + legacy + XHCI_USBLEGSUP_BIOS ); cannot access offset 0x2, work around */ /* bios = readb ( xhci->cap + legacy + XHCI_USBLEGSUP_BIOS ); cannot access offset 0x2, work around */
bios = readl ( xhci->cap + legacy ); // bios = readl ( xhci->cap + legacy );
bios = readl ( xhci->cap_addr + legacy );
bios = (bios >> 16) & 0xffff; bios = (bios >> 16) & 0xffff;
if ( ! ( bios & XHCI_USBLEGSUP_BIOS_OWNED ) ) { if ( ! ( bios & XHCI_USBLEGSUP_BIOS_OWNED ) ) {
/* Not an error; already owned by OS */ /* Not an error; already owned by OS */