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| author | Andrej Kruták <andrej.krutak@sysgo.com> | 2024-01-09 16:34:23 +0100 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2024-01-25 10:12:22 +0100 |
| commit | 3f082f38bf0050270dc65abf256f7014f6c0c4a8 (patch) | |
| tree | 22268f703fdd9b90afed30d01ab28b7e211ccdcd | |
| parent | 3ae8888611e59ad82a59df7bead143662036d946 (diff) | |
| download | seabios-3f082f38bf0050270dc65abf256f7014f6c0c4a8.zip seabios-3f082f38bf0050270dc65abf256f7014f6c0c4a8.tar.gz seabios-3f082f38bf0050270dc65abf256f7014f6c0c4a8.tar.bz2 | |
Add AHCI Power ON + ICC_ACTIVE into port setup code
Windows appears to put the AHCI port into 'Partial power management state'
during reboot, the command puts it back into 'active state'.
AHCI/1: link down 0x00000231 (SCR STAT register)
->
AHCI/1: link up 0x00000133
Signed-off-by: Andrej Krutak andrej.krutak@sysgo.com
Message-ID: <1531455205.6484.1704814463638@ox.sysgo.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
| -rw-r--r-- | src/hw/ahci.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/hw/ahci.c b/src/hw/ahci.c index 3fa845a..4f0f640 100644 --- a/src/hw/ahci.c +++ b/src/hw/ahci.c @@ -444,7 +444,8 @@ static int ahci_port_setup(struct ahci_port_s *port) ahci_port_writel(ctrl, pnr, PORT_CMD, cmd); /* spin up */ - cmd |= PORT_CMD_SPIN_UP; + cmd &= ~PORT_CMD_ICC_MASK; + cmd |= PORT_CMD_SPIN_UP | PORT_CMD_POWER_ON | PORT_CMD_ICC_ACTIVE; ahci_port_writel(ctrl, pnr, PORT_CMD, cmd); u32 end = timer_calc(AHCI_LINK_TIMEOUT); for (;;) { |