If the HBA supports 64-bit addressing, the registers may contain non-zero values, for example after reboot as a leftover from the OS driving the adapter.
Signed-off-by: Ladi Prosek <[email protected]> --- src/hw/ahci.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/hw/ahci.c b/src/hw/ahci.c index 261a7d2..2eee192 100644 --- a/src/hw/ahci.c +++ b/src/hw/ahci.c @@ -361,6 +361,11 @@ ahci_port_alloc(struct ahci_ctrl_s *ctrl, u32 pnr) ahci_port_writel(ctrl, pnr, PORT_LST_ADDR, (u32)port->list); ahci_port_writel(ctrl, pnr, PORT_FIS_ADDR, (u32)port->fis); + if (ctrl->caps & HOST_CAP_64) { + ahci_port_writel(ctrl, pnr, PORT_LST_ADDR_HI, 0); + ahci_port_writel(ctrl, pnr, PORT_FIS_ADDR_HI, 0); + } + return port; } -- 2.7.4 _______________________________________________ SeaBIOS mailing list [email protected] https://www.coreboot.org/mailman/listinfo/seabios
