diff options
| -rw-r--r-- | hw/npu2.c | 11 | ||||
| -rw-r--r-- | include/npu2.h | 1 |
2 files changed, 12 insertions, 0 deletions
@@ -145,6 +145,17 @@ void npu2_write_mask(struct npu2 *p, uint64_t reg, uint64_t val, uint64_t mask) npu2_scom_write(p->chip_id, p->xscom_base, reg, NPU2_MISC_DA_LEN_8B, new_val); } +void npu2_write_mask_4b(struct npu2 *p, uint64_t reg, uint32_t val, uint32_t mask) +{ + uint32_t new_val; + + new_val = npu2_read_4b(p, reg); + new_val &= ~mask; + new_val |= val & mask; + npu2_scom_write(p->chip_id, p->xscom_base, reg, NPU2_MISC_DA_LEN_4B, + (uint64_t)new_val << 32); +} + /* Set a specific flag in the vendor config space */ void npu2_set_link_flag(struct npu2_dev *ndev, uint8_t flag) { diff --git a/include/npu2.h b/include/npu2.h index f11a13a..d30a91f 100644 --- a/include/npu2.h +++ b/include/npu2.h @@ -152,6 +152,7 @@ uint32_t npu2_read_4b(struct npu2 *p, uint64_t reg); void npu2_write(struct npu2 *p, uint64_t reg, uint64_t val); uint64_t npu2_read(struct npu2 *p, uint64_t reg); void npu2_write_mask(struct npu2 *p, uint64_t reg, uint64_t val, uint64_t mask); +void npu2_write_mask_4b(struct npu2 *p, uint64_t reg, uint32_t val, uint32_t mask); int64_t npu2_dev_procedure(void *dev, struct pci_cfg_reg_filter *pcrf, uint32_t offset, uint32_t len, uint32_t *data, bool write); |