From: Varadarajan Narayanan quic_varada@quicinc.com
[ Upstream commit c88c323b610a6048b87c5d9fff69659678f69924 ]
The 'broadcast' register space is present only in chipsets that have multiple instances of LLCC IP. Since IPQ5424 has only one instance, both the LLCC and LLCC_BROADCAST points to the same register space.
Signed-off-by: Varadarajan Narayanan quic_varada@quicinc.com Reviewed-by: Dmitry Baryshkov dmitry.baryshkov@linaro.org Reviewed-by: Konrad Dybcio konrad.dybcio@oss.qualcomm.com Link: https://lore.kernel.org/r/20241121051935.1055222-3-quic_varada@quicinc.com Signed-off-by: Bjorn Andersson andersson@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/soc/qcom/llcc-qcom.c | 57 ++++++++++++++++++++++++++++++++++-- 1 file changed, 55 insertions(+), 2 deletions(-)
diff --git a/drivers/soc/qcom/llcc-qcom.c b/drivers/soc/qcom/llcc-qcom.c index 32c3bc887cefb..2b832b730be72 100644 --- a/drivers/soc/qcom/llcc-qcom.c +++ b/drivers/soc/qcom/llcc-qcom.c @@ -142,6 +142,7 @@ struct qcom_llcc_config { bool skip_llcc_cfg; bool no_edac; bool irq_configured; + bool no_broadcast_register; };
struct qcom_sct_config { @@ -154,6 +155,38 @@ enum llcc_reg_offset { LLCC_COMMON_STATUS0, };
+static const struct llcc_slice_config ipq5424_data[] = { + { + .usecase_id = LLCC_CPUSS, + .slice_id = 1, + .max_cap = 768, + .priority = 1, + .bonus_ways = 0xFFFF, + .retain_on_pc = true, + .activate_on_init = true, + .write_scid_cacheable_en = true, + .stale_en = true, + .stale_cap_en = true, + .alloc_oneway_en = true, + .ovcap_en = true, + .ovcap_prio = true, + .vict_prio = true, + }, + { + .usecase_id = LLCC_VIDSC0, + .slice_id = 2, + .max_cap = 256, + .priority = 2, + .fixed_size = true, + .bonus_ways = 0xF000, + .retain_on_pc = true, + .activate_on_init = true, + .write_scid_cacheable_en = true, + .stale_en = true, + .stale_cap_en = true, + }, +}; + static const struct llcc_slice_config sa8775p_data[] = { { .usecase_id = LLCC_CPUSS, @@ -3185,6 +3218,16 @@ static const struct qcom_llcc_config qdu1000_cfg[] = { }, };
+static const struct qcom_llcc_config ipq5424_cfg[] = { + { + .sct_data = ipq5424_data, + .size = ARRAY_SIZE(ipq5424_data), + .reg_offset = llcc_v2_1_reg_offset, + .edac_reg_offset = &llcc_v2_1_edac_reg_offset, + .no_broadcast_register = true, + }, +}; + static const struct qcom_llcc_config sa8775p_cfg[] = { { .sct_data = sa8775p_data, @@ -3360,6 +3403,11 @@ static const struct qcom_sct_config qdu1000_cfgs = { .num_config = ARRAY_SIZE(qdu1000_cfg), };
+static const struct qcom_sct_config ipq5424_cfgs = { + .llcc_config = ipq5424_cfg, + .num_config = ARRAY_SIZE(ipq5424_cfg), +}; + static const struct qcom_sct_config sa8775p_cfgs = { .llcc_config = sa8775p_cfg, .num_config = ARRAY_SIZE(sa8775p_cfg), @@ -3957,8 +4005,12 @@ static int qcom_llcc_probe(struct platform_device *pdev)
drv_data->bcast_regmap = qcom_llcc_init_mmio(pdev, i, "llcc_broadcast_base"); if (IS_ERR(drv_data->bcast_regmap)) { - ret = PTR_ERR(drv_data->bcast_regmap); - goto err; + if (cfg->no_broadcast_register) { + drv_data->bcast_regmap = regmap; + } else { + ret = PTR_ERR(drv_data->bcast_regmap); + goto err; + } }
/* Extract version of the IP */ @@ -4029,6 +4081,7 @@ static int qcom_llcc_probe(struct platform_device *pdev) }
static const struct of_device_id qcom_llcc_of_match[] = { + { .compatible = "qcom,ipq5424-llcc", .data = &ipq5424_cfgs}, { .compatible = "qcom,qcs615-llcc", .data = &qcs615_cfgs}, { .compatible = "qcom,qcs8300-llcc", .data = &qcs8300_cfgs}, { .compatible = "qcom,qdu1000-llcc", .data = &qdu1000_cfgs},