diff options
| author | Ian Moffett <ian@osmora.org> | 2025-05-09 22:13:41 -0400 |
|---|---|---|
| committer | Ian Moffett <ian@osmora.org> | 2025-05-09 22:13:41 -0400 |
| commit | 310af38f1324c57ef5a072b27c91110cd4ec4a3a (patch) | |
| tree | 9508479ab8ec7fd6ccdc5e869e17cfdabff414c3 | |
| parent | 260316209d0c3b781d1ae483372958434da70689 (diff) | |
kernel: ahci: Detect staggered spin up
Signed-off-by: Ian Moffett <ian@osmora.org>
| -rw-r--r-- | sys/dev/ic/ahci.c | 1 | ||||
| -rw-r--r-- | sys/include/dev/ic/ahciregs.h | 1 | ||||
| -rw-r--r-- | sys/include/dev/ic/ahcivar.h | 2 |
3 files changed, 4 insertions, 0 deletions
diff --git a/sys/dev/ic/ahci.c b/sys/dev/ic/ahci.c index 4500a29..3142193 100644 --- a/sys/dev/ic/ahci.c +++ b/sys/dev/ic/ahci.c @@ -317,6 +317,7 @@ ahci_hba_init(struct ahci_hba *hba) hba->nslots = AHCI_CAP_NCS(cap); hba->ems = AHCI_CAP_EMS(cap); hba->sal = AHCI_CAP_SAL(cap); + hba->sss = AHCI_CAP_SSS(cap); /* * The HBA provides backwards compatibility with diff --git a/sys/include/dev/ic/ahciregs.h b/sys/include/dev/ic/ahciregs.h index 2f2fa84..f73e587 100644 --- a/sys/include/dev/ic/ahciregs.h +++ b/sys/include/dev/ic/ahciregs.h @@ -126,6 +126,7 @@ struct hba_memspace { #define AHCI_CAP_NCS(CAP) ((CAP >> 8) & 0x1F) /* Number of command slots */ #define AHCI_CAP_EMS(CAP) ((CAP >> 6) & 1) /* Enclosure management support */ #define AHCI_CAP_SAL(CAP) ((CAP >> 25) & 1) /* Supports activity LED */ +#define AHCI_CAP_SSS(CAP) ((CAP >> 27) & 1) /* Supports staggered spin up */ /* * Device detection (DET) and Interface power diff --git a/sys/include/dev/ic/ahcivar.h b/sys/include/dev/ic/ahcivar.h index 4b6cf12..dc4e492 100644 --- a/sys/include/dev/ic/ahcivar.h +++ b/sys/include/dev/ic/ahcivar.h @@ -45,6 +45,7 @@ struct ahci_cmd_hdr; * @nslots: Number of command slots * @ems: Enclosure management support * @sal: Supports activity LED + * @sss: Supports staggered spin up */ struct ahci_hba { struct hba_memspace *io; @@ -53,6 +54,7 @@ struct ahci_hba { uint32_t nslots; uint8_t ems : 1; uint8_t sal : 1; + uint8_t sss : 1; }; /* |