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Message-ID: <20250113-sm8750_llcc_master-v1-2-5389b92e2d7a@quicinc.com>
Date: Mon, 13 Jan 2025 13:26:41 -0800
From: Melody Olvera <quic_molvera@...cinc.com>
To: Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio
<konradybcio@...nel.org>,
Conor Dooley <conor@...nel.org>, Rob Herring
<robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley
<conor+dt@...nel.org>,
Satya Durga Srinivasu Prabhala
<quic_satyap@...cinc.com>,
Trilok Soni <quic_tsoni@...cinc.com>
CC: <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
Melody Olvera <quic_molvera@...cinc.com>
Subject: [PATCH 2/4] soc: qcom: llcc-qcom: Add support for LLCC V6
Add support for LLCC V6. V6 adds several additional usecase IDs,
rearrages several registers and offsets, and supports slice IDs
over 31, so add a new function for programming LLCC V6.
Signed-off-by: Melody Olvera <quic_molvera@...cinc.com>
---
drivers/soc/qcom/llcc-qcom.c | 212 ++++++++++++++++++++++++++++++++++++-
include/linux/soc/qcom/llcc-qcom.h | 8 ++
2 files changed, 216 insertions(+), 4 deletions(-)
diff --git a/drivers/soc/qcom/llcc-qcom.c b/drivers/soc/qcom/llcc-qcom.c
index 56823b6a2facc4345265e29b60da24a391e3707d..4379b5baa011aa850a2b65ec20b32519d9331be4 100644
--- a/drivers/soc/qcom/llcc-qcom.c
+++ b/drivers/soc/qcom/llcc-qcom.c
@@ -35,6 +35,9 @@
#define ATTR0_RES_WAYS_MASK GENMASK(15, 0)
#define ATTR0_BONUS_WAYS_MASK GENMASK(31, 16)
#define ATTR0_BONUS_WAYS_SHIFT 16
+#define ATTR2_PROBE_TARGET_WAYS_SHIFT 4
+#define ATTR2_FIXED_SIZE_SHIFT 8
+#define ATTR2_PRIORITY_SHIFT 12
#define LLCC_STATUS_READ_DELAY 100
#define CACHE_LINE_SIZE_SHIFT 6
@@ -49,6 +52,10 @@
#define LLCC_TRP_ATTR0_CFGn(n) (0x21000 + SZ_8 * n)
#define LLCC_TRP_ATTR1_CFGn(n) (0x21004 + SZ_8 * n)
#define LLCC_TRP_ATTR2_CFGn(n) (0x21100 + SZ_4 * n)
+#define LLCC_V6_TRP_ATTR0_CFGn(n) (0x41000 + SZ_64 * n)
+#define LLCC_V6_TRP_ATTR1_CFGn(n) (0x41008 + SZ_64 * n)
+#define LLCC_V6_TRP_ATTR2_CFGn(n) (0x41010 + SZ_64 * n)
+#define LLCC_V6_TRP_ATTR3_CFGn(n) (0x41014 + SZ_64 * n)
#define LLCC_TRP_SCID_DIS_CAP_ALLOC 0x21f00
#define LLCC_TRP_PCB_ACT 0x21f04
@@ -62,10 +69,22 @@
#define LLCC_TRP_ALGO_CFG7 0x21f28
#define LLCC_TRP_WRSC_CACHEABLE_EN 0x21f2c
#define LLCC_TRP_ALGO_CFG8 0x21f30
+#define LLCC_V6_TRP_SCID_DIS_CAP_ALLOC 0x42000
+#define LLCC_V6_TRP_ALGO_CFG1 0x42008
+#define LLCC_V6_TRP_ALGO_CFG2 0x42010
+#define LLCC_V6_TRP_ALGO_CFG3 0x42018
+#define LLCC_V6_TRP_ALGO_CFG4 0x42020
+#define LLCC_V6_TRP_ALGO_CFG5 0x42028
+#define LLCC_V6_TRP_ALGO_CFG6 0x42030
+#define LLCC_V6_TRP_ALGO_CFG7 0x42038
+#define LLCC_V6_TRP_ALGO_CFG8 0x42040
+#define LLCC_V6_TRP_WRSC_EN 0x42080
+#define LLCC_V6_TRP_WRSC_CACHEABLE_EN 0x42088
#define LLCC_VERSION_2_0_0_0 0x02000000
#define LLCC_VERSION_2_1_0_0 0x02010000
#define LLCC_VERSION_4_1_0_0 0x04010000
+#define LLCC_VERSION_6_0_0_0 0X06000000
/**
* struct llcc_slice_config - Data associated with the llcc slice
@@ -3161,6 +3180,33 @@ static const struct llcc_edac_reg_offset llcc_v2_1_edac_reg_offset = {
.drp_ecc_db_err_syn0 = 0x52120,
};
+static const struct llcc_edac_reg_offset llcc_v6_edac_reg_offset = {
+ .trp_ecc_error_status0 = 0x47448,
+ .trp_ecc_error_status1 = 0x47450,
+ .trp_ecc_sb_err_syn0 = 0x47490,
+ .trp_ecc_db_err_syn0 = 0x474d0,
+ .trp_ecc_error_cntr_clear = 0x47444,
+ .trp_interrupt_0_status = 0x47600,
+ .trp_interrupt_0_clear = 0x47604,
+ .trp_interrupt_0_enable = 0x47608,
+
+ /* LLCC Common registers */
+ .cmn_status0 = 0x6400c,
+ .cmn_interrupt_0_enable = 0x6401c,
+ .cmn_interrupt_2_enable = 0x6403c,
+
+ /* LLCC DRP registers */
+ .drp_ecc_error_cfg = 0x80000,
+ .drp_ecc_error_cntr_clear = 0x80004,
+ .drp_interrupt_status = 0x80020,
+ .drp_interrupt_clear = 0x80028,
+ .drp_interrupt_enable = 0x8002c,
+ .drp_ecc_error_status0 = 0x820f4,
+ .drp_ecc_error_status1 = 0x820f8,
+ .drp_ecc_sb_err_syn0 = 0x820fc,
+ .drp_ecc_db_err_syn0 = 0x82120,
+};
+
/* LLCC register offset starting from v1.0.0 */
static const u32 llcc_v1_reg_offset[] = {
[LLCC_COMMON_HW_INFO] = 0x00030000,
@@ -3173,6 +3219,13 @@ static const u32 llcc_v2_1_reg_offset[] = {
[LLCC_COMMON_STATUS0] = 0x0003400c,
};
+/* LLCC register offset starting from v6.0.0 */
+static const u32 llcc_v6_reg_offset[] = {
+ [LLCC_COMMON_HW_INFO] = 0x00064000,
+ [LLCC_COMMON_STATUS0] = 0x0006400c,
+
+};
+
static const struct qcom_llcc_config qcs615_cfg[] = {
{
.sct_data = qcs615_data,
@@ -3869,6 +3922,149 @@ static int _qcom_llcc_cfg_program(const struct llcc_slice_config *config,
return ret;
}
+static int _qcom_llcc_cfg_program_v6(const struct llcc_slice_config *config,
+ const struct qcom_llcc_config *cfg)
+{
+ int ret;
+ u32 attr0_cfg, attr1_cfg, attr2_cfg, attr3_cfg;
+ u32 attr0_val, attr1_val, attr2_val, attr3_val;
+ u32 disable_cap_alloc, wren, wr_cache_en;
+ u32 stale_en, stale_cap_en, mru_uncap_en, mru_rollover;
+ u32 alloc_oneway_en, ovcap_en, ovcap_prio, vict_prio;
+ u32 slice_offset, reg_offset;
+ struct llcc_slice_desc *desc;
+ const struct llcc_slice_config *slice_cfg;
+ u32 sz = 0;
+
+ slice_cfg = cfg->sct_data;
+ sz = cfg->size;
+
+ attr0_cfg = LLCC_V6_TRP_ATTR0_CFGn(config->slice_id);
+ attr1_cfg = LLCC_V6_TRP_ATTR1_CFGn(config->slice_id);
+ attr2_cfg = LLCC_V6_TRP_ATTR2_CFGn(config->slice_id);
+ attr3_cfg = LLCC_V6_TRP_ATTR3_CFGn(config->slice_id);
+
+ attr0_val = config->res_ways;
+ attr1_val = config->bonus_ways;
+ attr2_val = config->cache_mode;
+ attr2_val |= config->probe_target_ways << ATTR2_PROBE_TARGET_WAYS_SHIFT;
+ attr2_val |= config->fixed_size << ATTR2_FIXED_SIZE_SHIFT;
+ attr2_val |= config->priority << ATTR2_PRIORITY_SHIFT;
+
+ attr3_val = MAX_CAP_TO_BYTES(config->max_cap);
+ attr3_val /= drv_data->num_banks;
+ attr3_val >>= CACHE_LINE_SIZE_SHIFT;
+
+ ret = regmap_write(drv_data->bcast_regmap, attr0_cfg, attr0_val);
+ if (ret)
+ return ret;
+
+ ret = regmap_write(drv_data->bcast_regmap, attr1_cfg, attr1_val);
+ if (ret)
+ return ret;
+
+ ret = regmap_write(drv_data->bcast_regmap, attr2_cfg, attr2_val);
+ if (ret)
+ return ret;
+
+ ret = regmap_write(drv_data->bcast_regmap, attr3_cfg, attr3_val);
+ if (ret)
+ return ret;
+
+ slice_offset = config->slice_id % 32;
+ reg_offset = (config->slice_id / 32) * 4;
+
+ if (!cfg->skip_llcc_cfg) {
+ disable_cap_alloc = config->dis_cap_alloc << slice_offset;
+ ret = regmap_write(drv_data->bcast_regmap,
+ LLCC_V6_TRP_SCID_DIS_CAP_ALLOC + reg_offset,
+ disable_cap_alloc);
+
+ if (ret)
+ return ret;
+ }
+
+ wren = config->write_scid_en << slice_offset;
+ ret = regmap_update_bits(drv_data->bcast_regmap,
+ LLCC_V6_TRP_WRSC_EN + reg_offset,
+ BIT(slice_offset), wren);
+ if (ret)
+ return ret;
+
+ wr_cache_en = config->write_scid_cacheable_en << slice_offset;
+ ret = regmap_update_bits(drv_data->bcast_regmap,
+ LLCC_V6_TRP_WRSC_CACHEABLE_EN + reg_offset,
+ BIT(slice_offset), wr_cache_en);
+ if (ret)
+ return ret;
+
+ stale_en = config->stale_en << slice_offset;
+ ret = regmap_update_bits(drv_data->bcast_regmap,
+ LLCC_V6_TRP_ALGO_CFG1 + reg_offset,
+ BIT(slice_offset), stale_en);
+ if (ret)
+ return ret;
+
+ stale_cap_en = config->stale_cap_en << slice_offset;
+ ret = regmap_update_bits(drv_data->bcast_regmap,
+ LLCC_V6_TRP_ALGO_CFG2 + reg_offset,
+ BIT(slice_offset), stale_cap_en);
+ if (ret)
+ return ret;
+
+ mru_uncap_en = config->mru_uncap_en << slice_offset;
+ ret = regmap_update_bits(drv_data->bcast_regmap,
+ LLCC_V6_TRP_ALGO_CFG3 + reg_offset,
+ BIT(slice_offset), mru_uncap_en);
+ if (ret)
+ return ret;
+
+ mru_rollover = config->mru_rollover << slice_offset;
+ ret = regmap_update_bits(drv_data->bcast_regmap,
+ LLCC_V6_TRP_ALGO_CFG4 + reg_offset,
+ BIT(slice_offset), mru_rollover);
+ if (ret)
+ return ret;
+
+ alloc_oneway_en = config->alloc_oneway_en << slice_offset;
+ ret = regmap_update_bits(drv_data->bcast_regmap,
+ LLCC_V6_TRP_ALGO_CFG5 + reg_offset,
+ BIT(slice_offset), alloc_oneway_en);
+ if (ret)
+ return ret;
+
+ ovcap_en = config->ovcap_en << slice_offset;
+ ret = regmap_update_bits(drv_data->bcast_regmap,
+ LLCC_V6_TRP_ALGO_CFG6 + reg_offset,
+ BIT(slice_offset), ovcap_en);
+ if (ret)
+ return ret;
+
+ ovcap_prio = config->ovcap_prio << slice_offset;
+ ret = regmap_update_bits(drv_data->bcast_regmap,
+ LLCC_V6_TRP_ALGO_CFG7 + reg_offset,
+ BIT(slice_offset), ovcap_prio);
+ if (ret)
+ return ret;
+
+ vict_prio = config->vict_prio << slice_offset;
+ ret = regmap_update_bits(drv_data->bcast_regmap,
+ LLCC_V6_TRP_ALGO_CFG8 + reg_offset,
+ BIT(slice_offset), vict_prio);
+ if (ret)
+ return ret;
+
+ if (config->activate_on_init) {
+ desc = llcc_slice_getd(config->usecase_id);
+ if (PTR_ERR_OR_ZERO(desc))
+ return -EINVAL;
+
+ ret = llcc_slice_activate(desc);
+ }
+
+ return ret;
+}
+
static int qcom_llcc_cfg_program(struct platform_device *pdev,
const struct qcom_llcc_config *cfg)
{
@@ -3880,10 +4076,18 @@ static int qcom_llcc_cfg_program(struct platform_device *pdev,
sz = drv_data->cfg_size;
llcc_table = drv_data->cfg;
- for (i = 0; i < sz; i++) {
- ret = _qcom_llcc_cfg_program(&llcc_table[i], cfg);
- if (ret)
- return ret;
+ if (drv_data->version >= LLCC_VERSION_6_0_0_0) {
+ for (i = 0; i < sz; i++) {
+ ret = _qcom_llcc_cfg_program_v6(&llcc_table[i], cfg);
+ if (ret)
+ return ret;
+ }
+ } else {
+ for (i = 0; i < sz; i++) {
+ ret = _qcom_llcc_cfg_program(&llcc_table[i], cfg);
+ if (ret)
+ return ret;
+ }
}
return ret;
diff --git a/include/linux/soc/qcom/llcc-qcom.h b/include/linux/soc/qcom/llcc-qcom.h
index 8e5d78fb4847a232ab17a66c2775552dcb287752..7a69210a250c4646b7fd6cf400995e35d3f00493 100644
--- a/include/linux/soc/qcom/llcc-qcom.h
+++ b/include/linux/soc/qcom/llcc-qcom.h
@@ -24,6 +24,7 @@
#define LLCC_CMPTDMA 15
#define LLCC_DISP 16
#define LLCC_VIDFW 17
+#define LLCC_CAMFW 18
#define LLCC_MDMHPFX 20
#define LLCC_MDMPNG 21
#define LLCC_AUDHW 22
@@ -67,6 +68,13 @@
#define LLCC_EVCS_LEFT 67
#define LLCC_EVCS_RIGHT 68
#define LLCC_SPAD 69
+#define LLCC_VIDDEC 70
+#define LLCC_CAMOFE 71
+#define LLCC_CAMRTIP 72
+#define LLCC_CAMSRTIP 73
+#define LLCC_CAMRTRF 74
+#define LLCC_CAMSRTRF 75
+#define LLCC_CPUSSMPAM 89
/**
* struct llcc_slice_desc - Cache slice descriptor
--
2.46.1
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