developer
/
xiuos
forked from xuos/xiuos
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/xhci/xhci.c
View File

@ -327,7 +327,8 @@ static void xhci_legacy_init ( struct xhci_host *xhci ) {
/* 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));
/* 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;
if ( ! ( bios & XHCI_USBLEGSUP_BIOS_OWNED ) ) {
/* Not an error; already owned by OS */