diff options
Diffstat (limited to 'drivers/remoteproc/qcom_q6v5_adsp.c')
| -rw-r--r-- | drivers/remoteproc/qcom_q6v5_adsp.c | 125 |
1 files changed, 121 insertions, 4 deletions
diff --git a/drivers/remoteproc/qcom_q6v5_adsp.c b/drivers/remoteproc/qcom_q6v5_adsp.c index 4c9a1b99cd51..08d8dad22ca7 100644 --- a/drivers/remoteproc/qcom_q6v5_adsp.c +++ b/drivers/remoteproc/qcom_q6v5_adsp.c @@ -9,6 +9,7 @@ #include <linux/firmware.h> #include <linux/interrupt.h> #include <linux/io.h> +#include <linux/iommu.h> #include <linux/iopoll.h> #include <linux/kernel.h> #include <linux/mfd/syscon.h> @@ -48,12 +49,18 @@ #define LPASS_PWR_ON_REG 0x10 #define LPASS_HALTREQ_REG 0x0 +#define SID_MASK_DEFAULT 0xF + #define QDSP6SS_XO_CBCR 0x38 #define QDSP6SS_CORE_CBCR 0x20 #define QDSP6SS_SLEEP_CBCR 0x3c #define QCOM_Q6V5_RPROC_PROXY_PD_MAX 3 +#define LPASS_BOOT_CORE_START BIT(0) +#define LPASS_BOOT_CMD_START BIT(0) +#define LPASS_EFUSE_Q6SS_EVB_SEL 0x0 + struct adsp_pil_data { int crash_reason_smem; const char *firmware_name; @@ -62,6 +69,7 @@ struct adsp_pil_data { const char *sysmon_name; int ssctl_id; bool is_wpss; + bool has_iommu; bool auto_boot; const char **clk_ids; @@ -82,6 +90,7 @@ struct qcom_adsp { struct clk_bulk_data *clks; void __iomem *qdsp6ss_base; + void __iomem *lpass_efuse; struct reset_control *pdc_sync_reset; struct reset_control *restart; @@ -99,6 +108,7 @@ struct qcom_adsp { phys_addr_t mem_reloc; void *mem_region; size_t mem_size; + bool has_iommu; struct device *proxy_pds[QCOM_Q6V5_RPROC_PROXY_PD_MAX]; size_t proxy_pd_count; @@ -325,6 +335,48 @@ static int adsp_load(struct rproc *rproc, const struct firmware *fw) return 0; } +static void adsp_unmap_carveout(struct rproc *rproc) +{ + struct qcom_adsp *adsp = rproc->priv; + + if (adsp->has_iommu) + iommu_unmap(rproc->domain, adsp->mem_phys, adsp->mem_size); +} + +static int adsp_map_carveout(struct rproc *rproc) +{ + struct qcom_adsp *adsp = rproc->priv; + struct of_phandle_args args; + long long sid; + unsigned long iova; + int ret; + + if (!adsp->has_iommu) + return 0; + + if (!rproc->domain) + return -EINVAL; + + ret = of_parse_phandle_with_args(adsp->dev->of_node, "iommus", "#iommu-cells", 0, &args); + if (ret < 0) + return ret; + + sid = args.args[0] & SID_MASK_DEFAULT; + + /* Add SID configuration for ADSP Firmware to SMMU */ + iova = adsp->mem_phys | (sid << 32); + + ret = iommu_map(rproc->domain, iova, adsp->mem_phys, + adsp->mem_size, IOMMU_READ | IOMMU_WRITE, + GFP_KERNEL); + if (ret) { + dev_err(adsp->dev, "Unable to map ADSP Physical Memory\n"); + return ret; + } + + return 0; +} + static int adsp_start(struct rproc *rproc) { struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv; @@ -335,9 +387,15 @@ static int adsp_start(struct rproc *rproc) if (ret) return ret; + ret = adsp_map_carveout(rproc); + if (ret) { + dev_err(adsp->dev, "ADSP smmu mapping failed\n"); + goto disable_irqs; + } + ret = clk_prepare_enable(adsp->xo); if (ret) - goto disable_irqs; + goto adsp_smmu_unmap; ret = qcom_rproc_pds_enable(adsp, adsp->proxy_pds, adsp->proxy_pd_count); @@ -362,11 +420,14 @@ static int adsp_start(struct rproc *rproc) /* Program boot address */ writel(adsp->mem_phys >> 4, adsp->qdsp6ss_base + RST_EVB_REG); + if (adsp->lpass_efuse) + writel(LPASS_EFUSE_Q6SS_EVB_SEL, adsp->lpass_efuse); + /* De-assert QDSP6 stop core. QDSP6 will execute after out of reset */ - writel(0x1, adsp->qdsp6ss_base + CORE_START_REG); + writel(LPASS_BOOT_CORE_START, adsp->qdsp6ss_base + CORE_START_REG); /* Trigger boot FSM to start QDSP6 */ - writel(0x1, adsp->qdsp6ss_base + BOOT_CMD_REG); + writel(LPASS_BOOT_CMD_START, adsp->qdsp6ss_base + BOOT_CMD_REG); /* Wait for core to come out of reset */ ret = readl_poll_timeout(adsp->qdsp6ss_base + BOOT_STATUS_REG, @@ -390,6 +451,8 @@ disable_power_domain: qcom_rproc_pds_disable(adsp, adsp->proxy_pds, adsp->proxy_pd_count); disable_xo_clk: clk_disable_unprepare(adsp->xo); +adsp_smmu_unmap: + adsp_unmap_carveout(rproc); disable_irqs: qcom_q6v5_unprepare(&adsp->q6v5); @@ -418,6 +481,8 @@ static int adsp_stop(struct rproc *rproc) if (ret) dev_err(adsp->dev, "failed to shutdown: %d\n", ret); + adsp_unmap_carveout(rproc); + handover = qcom_q6v5_unprepare(&adsp->q6v5); if (handover) qcom_adsp_pil_handover(&adsp->q6v5); @@ -437,6 +502,27 @@ static void *adsp_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *is_iom return adsp->mem_region + offset; } +static int adsp_parse_firmware(struct rproc *rproc, const struct firmware *fw) +{ + struct qcom_adsp *adsp = rproc->priv; + int ret; + + ret = qcom_register_dump_segments(rproc, fw); + if (ret) { + dev_err(&rproc->dev, "Error in registering dump segments\n"); + return ret; + } + + if (adsp->has_iommu) { + ret = rproc_elf_load_rsc_table(rproc, fw); + if (ret) { + dev_err(&rproc->dev, "Error in loading resource table\n"); + return ret; + } + } + return 0; +} + static unsigned long adsp_panic(struct rproc *rproc) { struct qcom_adsp *adsp = rproc->priv; @@ -448,7 +534,7 @@ static const struct rproc_ops adsp_ops = { .start = adsp_start, .stop = adsp_stop, .da_to_va = adsp_da_to_va, - .parse_fw = qcom_register_dump_segments, + .parse_fw = adsp_parse_firmware, .load = adsp_load, .panic = adsp_panic, }; @@ -507,6 +593,7 @@ static int adsp_init_reset(struct qcom_adsp *adsp) static int adsp_init_mmio(struct qcom_adsp *adsp, struct platform_device *pdev) { + struct resource *efuse_region; struct device_node *syscon; int ret; @@ -516,6 +603,17 @@ static int adsp_init_mmio(struct qcom_adsp *adsp, return PTR_ERR(adsp->qdsp6ss_base); } + efuse_region = platform_get_resource(pdev, IORESOURCE_MEM, 1); + if (!efuse_region) { + adsp->lpass_efuse = NULL; + dev_dbg(adsp->dev, "failed to get efuse memory region\n"); + } else { + adsp->lpass_efuse = devm_ioremap_resource(&pdev->dev, efuse_region); + if (IS_ERR(adsp->lpass_efuse)) { + dev_err(adsp->dev, "failed to map efuse registers\n"); + return PTR_ERR(adsp->lpass_efuse); + } + } syscon = of_parse_phandle(pdev->dev.of_node, "qcom,halt-regs", 0); if (!syscon) { dev_err(&pdev->dev, "failed to parse qcom,halt-regs\n"); @@ -595,12 +693,15 @@ static int adsp_probe(struct platform_device *pdev) } rproc->auto_boot = desc->auto_boot; + rproc->has_iommu = desc->has_iommu; rproc_coredump_set_elf_info(rproc, ELFCLASS32, EM_NONE); adsp = (struct qcom_adsp *)rproc->priv; adsp->dev = &pdev->dev; adsp->rproc = rproc; adsp->info_name = desc->sysmon_name; + adsp->has_iommu = desc->has_iommu; + platform_set_drvdata(pdev, adsp); if (desc->is_wpss) @@ -696,6 +797,21 @@ static const struct adsp_pil_data adsp_resource_init = { }, }; +static const struct adsp_pil_data adsp_sc7280_resource_init = { + .crash_reason_smem = 423, + .firmware_name = "adsp.pbn", + .load_state = "adsp", + .ssr_name = "lpass", + .sysmon_name = "adsp", + .ssctl_id = 0x14, + .has_iommu = true, + .auto_boot = true, + .clk_ids = (const char*[]) { + "gcc_cfg_noc_lpass", NULL + }, + .num_clks = 1, +}; + static const struct adsp_pil_data cdsp_resource_init = { .crash_reason_smem = 601, .firmware_name = "cdsp.mdt", @@ -734,6 +850,7 @@ static const struct adsp_pil_data wpss_resource_init = { static const struct of_device_id adsp_of_match[] = { { .compatible = "qcom,qcs404-cdsp-pil", .data = &cdsp_resource_init }, + { .compatible = "qcom,sc7280-adsp-pil", .data = &adsp_sc7280_resource_init }, { .compatible = "qcom,sc7280-wpss-pil", .data = &wpss_resource_init }, { .compatible = "qcom,sdm845-adsp-pil", .data = &adsp_resource_init }, { }, |