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| author | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2023-09-13 14:25:23 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2023-10-04 18:15:06 -0400 |
| commit | e967413fe0f2f3fe022658bb279aef95d24210ec (patch) | |
| tree | 3eb67a2a6c57b3cd54284811570bd2b38ec1cbf8 /hw/cxl/cxl-component-utils.c | |
| parent | 61c44bcf510f4db51c28d0288e528cfdf0ebabc3 (diff) | |
| download | focaccia-qemu-e967413fe0f2f3fe022658bb279aef95d24210ec.tar.gz focaccia-qemu-e967413fe0f2f3fe022658bb279aef95d24210ec.zip | |
hw/cxl: Support 4 HDM decoders at all levels of topology
Support these decoders in CXL host bridges (pxb-cxl), CXL Switch USP and CXL Type 3 end points. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Message-Id: <20230913132523.29780-5-Jonathan.Cameron@huawei.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/cxl/cxl-component-utils.c')
| -rw-r--r-- | hw/cxl/cxl-component-utils.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/hw/cxl/cxl-component-utils.c b/hw/cxl/cxl-component-utils.c index c0630ba5c1..f3bbf0fd13 100644 --- a/hw/cxl/cxl-component-utils.c +++ b/hw/cxl/cxl-component-utils.c @@ -90,6 +90,9 @@ static void dumb_hdm_handler(CXLComponentState *cxl_cstate, hwaddr offset, switch (offset) { case A_CXL_HDM_DECODER0_CTRL: + case A_CXL_HDM_DECODER1_CTRL: + case A_CXL_HDM_DECODER2_CTRL: + case A_CXL_HDM_DECODER3_CTRL: should_commit = FIELD_EX32(value, CXL_HDM_DECODER0_CTRL, COMMIT); should_uncommit = !should_commit; break; @@ -129,7 +132,7 @@ static void cxl_cache_mem_write_reg(void *opaque, hwaddr offset, uint64_t value, } if (offset >= A_CXL_HDM_DECODER_CAPABILITY && - offset <= A_CXL_HDM_DECODER0_TARGET_LIST_HI) { + offset <= A_CXL_HDM_DECODER3_TARGET_LIST_HI) { dumb_hdm_handler(cxl_cstate, offset, value); } else { cregs->cache_mem_registers[offset / sizeof(*cregs->cache_mem_registers)] = value; @@ -209,7 +212,7 @@ static void ras_init_common(uint32_t *reg_state, uint32_t *write_msk) static void hdm_init_common(uint32_t *reg_state, uint32_t *write_msk, enum reg_type type) { - int decoder_count = 1; + int decoder_count = CXL_HDM_DECODER_COUNT; int hdm_inc = R_CXL_HDM_DECODER1_BASE_LO - R_CXL_HDM_DECODER0_BASE_LO; int i; |