diff options
| author | Reza Arbab <arbab@linux.vnet.ibm.com> | 2017-11-13 16:19:15 -0600 |
|---|---|---|
| committer | Stewart Smith <stewart@linux.vnet.ibm.com> | 2017-11-13 17:48:13 -0600 |
| commit | 3fb06a94830bdc39afd62156a2417811c9b93448 (patch) | |
| tree | 66c6b389f3d770e248c86936522250cc4859c196 /hw | |
| parent | 0e9340792355a7b9905df71c706055194f36647c (diff) | |
| download | skiboot-3fb06a94830bdc39afd62156a2417811c9b93448.zip skiboot-3fb06a94830bdc39afd62156a2417811c9b93448.tar.gz skiboot-3fb06a94830bdc39afd62156a2417811c9b93448.tar.bz2 | |
npu2: Add npu2_write_mask_4b()
Add a 4-byte version of npu2_write_mask().
Signed-off-by: Reza Arbab <arbab@linux.vnet.ibm.com>
Reviewed-by: Alistair Popple <alistair@popple.id.au>
Reviewed-by: Balbir Singh <bsingharora@gmail.com>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
(cherry picked from commit d6f2505b15422e3c63932a67278ebdbca67047d5)
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/npu2.c | 11 |
1 files changed, 11 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) { |