Without being able to write these registers, no interleaving is possible. More refined checks of HDM register state on commit to follow.
Signed-off-by: Jonathan Cameron <[email protected]> --- v2: (Ben Widawsky) - Correctly set a tighter write mask for the endpoint devices where this register has a different use. hw/cxl/cxl-component-utils.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/hw/cxl/cxl-component-utils.c b/hw/cxl/cxl-component-utils.c index 7985c9bfca..40a0f752f2 100644 --- a/hw/cxl/cxl-component-utils.c +++ b/hw/cxl/cxl-component-utils.c @@ -154,7 +154,8 @@ static void ras_init_common(uint32_t *reg_state, uint32_t *write_msk) reg_state[R_CXL_RAS_ERR_CAP_CTRL] = 0x00; } -static void hdm_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 i; @@ -174,6 +175,12 @@ static void hdm_init_common(uint32_t *reg_state, uint32_t *write_msk) write_msk[R_CXL_HDM_DECODER0_SIZE_LO + i * 0x20] = 0xf0000000; write_msk[R_CXL_HDM_DECODER0_SIZE_HI + i * 0x20] = 0xffffffff; write_msk[R_CXL_HDM_DECODER0_CTRL + i * 0x20] = 0x13ff; + if (type == CXL2_DEVICE) { + write_msk[R_CXL_HDM_DECODER0_TARGET_LIST_LO + i * 0x20] = 0xf0000000; + } else { + write_msk[R_CXL_HDM_DECODER0_TARGET_LIST_LO + i * 0x20] = 0xffffffff; + } + write_msk[R_CXL_HDM_DECODER0_TARGET_LIST_HI + i * 0x20] = 0xffffffff; } } -- 2.32.0
