On Wed, Feb 05, 2025 at 10:53:04AM -0500, Christopher Lentocha wrote:
> Is it already pushed?
Nope, apparently something went wrong ...
> I think I need to add a `if (CONFIG_CSM) {` to it
>
> because I think it wasn't working with the regual bios.bin without CSM
Does a controller reset (see below) work in both cases?
take care,
Gerd
commit 79d50d3c156dfd15ed710d0e2313d113251aeb2e
Author: Gerd Hoffmann <kra...@redhat.com>
Date: Thu Feb 6 12:10:21 2025 +0100
ahci: add controller reset
diff --git a/src/hw/ahci.c b/src/hw/ahci.c
index 4f0f640a1c64..2285d33d4ae2 100644
--- a/src/hw/ahci.c
+++ b/src/hw/ahci.c
@@ -637,7 +637,7 @@ static void
ahci_controller_setup(struct pci_device *pci)
{
struct ahci_port_s *port;
- u32 val, pnr, max;
+ u32 pnr, max;
if (create_bounce_buf() < 0)
return;
@@ -660,8 +660,8 @@ ahci_controller_setup(struct pci_device *pci)
pci_enable_busmaster(pci);
- val = ahci_ctrl_readl(ctrl, HOST_CTL);
- ahci_ctrl_writel(ctrl, HOST_CTL, val | HOST_CTL_AHCI_EN);
+ ahci_ctrl_writel(ctrl, HOST_CTL, HOST_CTL_RESET);
+ ahci_ctrl_writel(ctrl, HOST_CTL, HOST_CTL_AHCI_EN);
ctrl->caps = ahci_ctrl_readl(ctrl, HOST_CAP);
ctrl->ports = ahci_ctrl_readl(ctrl, HOST_PORTS_IMPL);
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