diff options
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cpplib.c')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cpplib.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cpplib.c b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cpplib.c index 3cfecf105bde..85734c6badf5 100644 --- a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cpplib.c +++ b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cpplib.c @@ -24,8 +24,9 @@ /* NFP6000 PL */ #define NFP_PL_DEVICE_ID 0x00000004 #define NFP_PL_DEVICE_ID_MASK GENMASK(7, 0) - -#define NFP6000_ARM_GCSR_SOFTMODEL0 0x00400144 +#define NFP_PL_DEVICE_PART_MASK GENMASK(31, 16) +#define NFP_PL_DEVICE_MODEL_MASK (NFP_PL_DEVICE_PART_MASK | \ + NFP_PL_DEVICE_ID_MASK) /** * nfp_cpp_readl() - Read a u32 word from a CPP location @@ -120,22 +121,17 @@ int nfp_cpp_writeq(struct nfp_cpp *cpp, u32 cpp_id, */ int nfp_cpp_model_autodetect(struct nfp_cpp *cpp, u32 *model) { - const u32 arm_id = NFP_CPP_ID(NFP_CPP_TARGET_ARM, 0, 0); u32 reg; int err; - err = nfp_cpp_readl(cpp, arm_id, NFP6000_ARM_GCSR_SOFTMODEL0, model); - if (err < 0) - return err; - - /* The PL's PluDeviceID revision code is authoratative */ - *model &= ~0xff; err = nfp_xpb_readl(cpp, NFP_XPB_DEVICE(1, 1, 16) + NFP_PL_DEVICE_ID, ®); if (err < 0) return err; - *model |= (NFP_PL_DEVICE_ID_MASK & reg) - 0x10; + *model = reg & NFP_PL_DEVICE_MODEL_MASK; + if (*model & NFP_PL_DEVICE_ID_MASK) + *model -= 0x10; return 0; } |