diff options
Diffstat (limited to 'drivers/crypto/cavium/nitrox/nitrox_hal.c')
| -rw-r--r-- | drivers/crypto/cavium/nitrox/nitrox_hal.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/crypto/cavium/nitrox/nitrox_hal.c b/drivers/crypto/cavium/nitrox/nitrox_hal.c index 2b256ba36dff..4627a1976176 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_hal.c +++ b/drivers/crypto/cavium/nitrox/nitrox_hal.c @@ -4,6 +4,8 @@ #include "nitrox_dev.h" #include "nitrox_csr.h" +#define PLL_REF_CLK 50 + /** * emu_enable_cores - Enable EMU cluster cores. * @ndev: N5 device @@ -410,3 +412,58 @@ void config_nps_core_vfcfg_mode(struct nitrox_device *ndev, enum vf_mode mode) nitrox_write_csr(ndev, NPS_CORE_GBL_VFCFG, vfcfg.value); } + +void nitrox_get_hwinfo(struct nitrox_device *ndev) +{ + union emu_fuse_map emu_fuse; + union rst_boot rst_boot; + union fus_dat1 fus_dat1; + unsigned char name[IFNAMSIZ * 2] = {}; + int i, dead_cores; + u64 offset; + + /* get core frequency */ + offset = RST_BOOT; + rst_boot.value = nitrox_read_csr(ndev, offset); + ndev->hw.freq = (rst_boot.pnr_mul + 3) * PLL_REF_CLK; + + for (i = 0; i < NR_CLUSTERS; i++) { + offset = EMU_FUSE_MAPX(i); + emu_fuse.value = nitrox_read_csr(ndev, offset); + if (emu_fuse.s.valid) { + dead_cores = hweight32(emu_fuse.s.ae_fuse); + ndev->hw.ae_cores += AE_CORES_PER_CLUSTER - dead_cores; + dead_cores = hweight16(emu_fuse.s.se_fuse); + ndev->hw.se_cores += SE_CORES_PER_CLUSTER - dead_cores; + } + } + /* find zip hardware availability */ + offset = FUS_DAT1; + fus_dat1.value = nitrox_read_csr(ndev, offset); + if (!fus_dat1.nozip) { + dead_cores = hweight8(fus_dat1.zip_info); + ndev->hw.zip_cores = ZIP_MAX_CORES - dead_cores; + } + + /* determine the partname CNN55<cores>-<freq><pincount>-<rev>*/ + if (ndev->hw.ae_cores == AE_MAX_CORES) { + switch (ndev->hw.se_cores) { + case SE_MAX_CORES: + i = snprintf(name, sizeof(name), "CNN5560"); + break; + case 40: + i = snprintf(name, sizeof(name), "CNN5560s"); + break; + } + } else if (ndev->hw.ae_cores == (AE_MAX_CORES / 2)) { + i = snprintf(name, sizeof(name), "CNN5530"); + } else { + i = snprintf(name, sizeof(name), "CNN5560i"); + } + + snprintf(name + i, sizeof(name) - i, "-%3dBG676-1.%u", + ndev->hw.freq, ndev->hw.revision_id); + + /* copy partname */ + strncpy(ndev->hw.partname, name, sizeof(ndev->hw.partname)); +} |