diff --git a/Documentation/devicetree/bindings/cache/qcom,llcc.yaml b/Documentation/devicetree/bindings/cache/qcom,llcc.yaml index a620a2ff5c568..4e99c405aea37 100644 --- a/Documentation/devicetree/bindings/cache/qcom,llcc.yaml +++ b/Documentation/devicetree/bindings/cache/qcom,llcc.yaml @@ -20,6 +20,7 @@ description: | properties: compatible: enum: + - qcom,glymur-llcc - qcom,ipq5424-llcc - qcom,kaanapali-llcc - qcom,qcs615-llcc @@ -46,11 +47,11 @@ properties: reg: minItems: 1 - maxItems: 10 + maxItems: 14 reg-names: minItems: 1 - maxItems: 10 + maxItems: 14 interrupts: maxItems: 1 @@ -84,6 +85,48 @@ allOf: items: - const: llcc0_base + - if: + properties: + compatible: + contains: + enum: + - qcom,glymur-llcc + then: + properties: + reg: + items: + - description: LLCC0 base register region + - description: LLCC1 base register region + - description: LLCC2 base register region + - description: LLCC3 base register region + - description: LLCC4 base register region + - description: LLCC5 base register region + - description: LLCC6 base register region + - description: LLCC7 base register region + - description: LLCC8 base register region + - description: LLCC9 base register region + - description: LLCC10 base register region + - description: LLCC11 base register region + - description: LLCC broadcast base register region + - description: LLCC broadcast AND register region + reg-names: + items: + - const: llcc0_base + - const: llcc1_base + - const: llcc2_base + - const: llcc3_base + - const: llcc4_base + - const: llcc5_base + - const: llcc6_base + - const: llcc7_base + - const: llcc7_base + - const: llcc8_base + - const: llcc9_base + - const: llcc10_base + - const: llcc11_base + - const: llcc_broadcast_base + - const: llcc_broadcast_and_base + - if: properties: compatible: diff --git a/Documentation/devicetree/bindings/mailbox/qcom,cpucp-mbox.yaml b/Documentation/devicetree/bindings/mailbox/qcom,cpucp-mbox.yaml index 9122c3d2dc30f..9e91247c521a1 100644 --- a/Documentation/devicetree/bindings/mailbox/qcom,cpucp-mbox.yaml +++ b/Documentation/devicetree/bindings/mailbox/qcom,cpucp-mbox.yaml @@ -19,6 +19,7 @@ properties: - items: - enum: - qcom,glymur-cpucp-mbox + - qcom,kaanapali-cpucp-mbox - const: qcom,x1e80100-cpucp-mbox - enum: - qcom,x1e80100-cpucp-mbox diff --git a/Documentation/devicetree/bindings/mailbox/qcom-ipcc.yaml b/Documentation/devicetree/bindings/mailbox/qcom-ipcc.yaml index e5c423130db67..7c4d6170491db 100644 --- a/Documentation/devicetree/bindings/mailbox/qcom-ipcc.yaml +++ b/Documentation/devicetree/bindings/mailbox/qcom-ipcc.yaml @@ -24,6 +24,8 @@ properties: compatible: items: - enum: + - qcom,glymur-ipcc + - qcom,kaanapali-ipcc - qcom,milos-ipcc - qcom,qcs8300-ipcc - qcom,qdu1000-ipcc diff --git a/Documentation/devicetree/bindings/mfd/qcom,spmi-pmic.yaml b/Documentation/devicetree/bindings/mfd/qcom,spmi-pmic.yaml index 65c80e3b45008..fff2824c69d51 100644 --- a/Documentation/devicetree/bindings/mfd/qcom,spmi-pmic.yaml +++ b/Documentation/devicetree/bindings/mfd/qcom,spmi-pmic.yaml @@ -79,6 +79,9 @@ properties: - qcom,pmc8380 - qcom,pmd8028 - qcom,pmd9635 + - qcom,pmh0101 + - qcom,pmh0104 + - qcom,pmh0110 - qcom,pmi632 - qcom,pmi8950 - qcom,pmi8962 @@ -89,6 +92,7 @@ properties: - qcom,pmk8002 - qcom,pmk8350 - qcom,pmk8550 + - qcom,pmk8850 - qcom,pmm8155au - qcom,pmm8654au - qcom,pmp8074 diff --git a/Documentation/devicetree/bindings/sram/sram.yaml b/Documentation/devicetree/bindings/sram/sram.yaml index 7c1337e159f23..c451140962c86 100644 --- a/Documentation/devicetree/bindings/sram/sram.yaml +++ b/Documentation/devicetree/bindings/sram/sram.yaml @@ -34,6 +34,7 @@ properties: - nvidia,tegra186-sysram - nvidia,tegra194-sysram - nvidia,tegra234-sysram + - qcom,kaanapali-imem - qcom,rpm-msg-ram - rockchip,rk3288-pmu-sram @@ -89,6 +90,7 @@ patternProperties: - arm,juno-scp-shmem - arm,scmi-shmem - arm,scp-shmem + - qcom,pil-reloc-info - renesas,smp-sram - rockchip,rk3066-smp-sram - samsung,exynos4210-sysram diff --git a/MAINTAINERS b/MAINTAINERS index 5b11839cba9de..6ccf293468fda 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3274,6 +3274,7 @@ F: arch/arm64/boot/dts/qcom/ F: drivers/bus/qcom* F: drivers/firmware/qcom/ F: drivers/soc/qcom/ +F: drivers/watchdog/gunyah_wdt.c F: include/dt-bindings/arm/qcom,ids.h F: include/dt-bindings/firmware/qcom,scm.h F: include/dt-bindings/soc/qcom* diff --git a/arch/arm64/boot/dts/qcom/glymur-ipcc.h b/arch/arm64/boot/dts/qcom/glymur-ipcc.h new file mode 100644 index 0000000000000..700cd7114909f --- /dev/null +++ b/arch/arm64/boot/dts/qcom/glymur-ipcc.h @@ -0,0 +1,68 @@ +/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */ +/* + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. + */ + +#ifndef __DTS_GLYMUR_MAILBOX_IPCC_H +#define __DTS_GLYMUR_MAILBOX_IPCC_H + +/* Glymur physical client IDs */ +#define IPCC_MPROC_AOP 0 +#define IPCC_MPROC_TZ 1 +#define IPCC_MPROC_MPSS 2 +#define IPCC_MPROC_LPASS 3 +#define IPCC_MPROC_SLPI 4 +#define IPCC_MPROC_SDC 5 +#define IPCC_MPROC_CDSP 6 +#define IPCC_MPROC_NPU 7 +#define IPCC_MPROC_APSS 8 +#define IPCC_MPROC_GPU 9 +#define IPCC_MPROC_ICP 11 +#define IPCC_MPROC_VPU 12 +#define IPCC_MPROC_PCIE0 13 +#define IPCC_MPROC_PCIE1 14 +#define IPCC_MPROC_PCIE2 15 +#define IPCC_MPROC_SPSS 16 +#define IPCC_MPROC_PCIE3 19 +#define IPCC_MPROC_PCIE4 20 +#define IPCC_MPROC_PCIE5 21 +#define IPCC_MPROC_PCIE6 22 +#define IPCC_MPROC_TME 23 +#define IPCC_MPROC_WPSS 24 +#define IPCC_MPROC_PCIE7 44 +#define IPCC_MPROC_SOCCP 46 + +#define IPCC_COMPUTE_L0_LPASS 0 +#define IPCC_COMPUTE_L0_CDSP 1 +#define IPCC_COMPUTE_L0_APSS 2 +#define IPCC_COMPUTE_L0_GPU 3 +#define IPCC_COMPUTE_L0_CVP 6 +#define IPCC_COMPUTE_L0_ICP 7 +#define IPCC_COMPUTE_L0_VPU 8 +#define IPCC_COMPUTE_L0_DPU 9 +#define IPCC_COMPUTE_L0_SOCCP 11 + +#define IPCC_COMPUTE_L1_LPASS 0 +#define IPCC_COMPUTE_L1_CDSP 1 +#define IPCC_COMPUTE_L1_APSS 2 +#define IPCC_COMPUTE_L1_GPU 3 +#define IPCC_COMPUTE_L1_CVP 6 +#define IPCC_COMPUTE_L1_ICP 7 +#define IPCC_COMPUTE_L1_VPU 8 +#define IPCC_COMPUTE_L1_DPU 9 +#define IPCC_COMPUTE_L1_SOCCP 11 + +#define IPCC_PERIPH_LPASS 0 +#define IPCC_PERIPH_APSS 1 +#define IPCC_PERIPH_PCIE0 2 +#define IPCC_PERIPH_PCIE1 3 +#define IPCC_PERIPH_PCIE2 6 +#define IPCC_PERIPH_PCIE3 7 +#define IPCC_PERIPH_PCIE4 8 +#define IPCC_PERIPH_PCIE5 9 +#define IPCC_PERIPH_PCIE6 10 +#define IPCC_PERIPH_PCIE7 11 +#define IPCC_PERIPH_SOCCP 13 +#define IPCC_PERIPH_WPSS 16 + +#endif diff --git a/arch/arm64/boot/dts/qcom/kaanapali-ipcc.h b/arch/arm64/boot/dts/qcom/kaanapali-ipcc.h new file mode 100644 index 0000000000000..125375a4aac0a --- /dev/null +++ b/arch/arm64/boot/dts/qcom/kaanapali-ipcc.h @@ -0,0 +1,58 @@ +/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */ +/* + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. + */ + +#ifndef __DTS_KAANAPALI_MAILBOX_IPCC_H +#define __DTS_KAANAPALI_MAILBOX_IPCC_H + +/* Physical client IDs */ +#define IPCC_MPROC_AOP 0 +#define IPCC_MPROC_TZ 1 +#define IPCC_MPROC_MPSS 2 +#define IPCC_MPROC_LPASS 3 +#define IPCC_MPROC_SDC 4 +#define IPCC_MPROC_CDSP 5 +#define IPCC_MPROC_APSS 6 +#define IPCC_MPROC_SOCCP 13 +#define IPCC_MPROC_DCP 14 +#define IPCC_MPROC_SPSS 15 +#define IPCC_MPROC_TME 16 +#define IPCC_MPROC_WPSS 17 + +#define IPCC_COMPUTE_L0_CDSP 2 +#define IPCC_COMPUTE_L0_APSS 3 +#define IPCC_COMPUTE_L0_GPU 4 +#define IPCC_COMPUTE_L0_CVP 8 +#define IPCC_COMPUTE_L0_CAM 9 +#define IPCC_COMPUTE_L0_CAM1 10 +#define IPCC_COMPUTE_L0_DCP 11 +#define IPCC_COMPUTE_L0_VPU 12 +#define IPCC_COMPUTE_L0_SOCCP 16 + +#define IPCC_COMPUTE_L1_CDSP 2 +#define IPCC_COMPUTE_L1_APSS 3 +#define IPCC_COMPUTE_L1_GPU 4 +#define IPCC_COMPUTE_L1_CVP 8 +#define IPCC_COMPUTE_L1_CAM 9 +#define IPCC_COMPUTE_L1_CAM1 10 +#define IPCC_COMPUTE_L1_DCP 11 +#define IPCC_COMPUTE_L1_VPU 12 +#define IPCC_COMPUTE_L1_SOCCP 16 + +#define IPCC_PERIPH_CDSP 2 +#define IPCC_PERIPH_APSS 3 +#define IPCC_PERIPH_PCIE0 4 +#define IPCC_PERIPH_PCIE1 5 + +#define IPCC_FENCE_CDSP 2 +#define IPCC_FENCE_APSS 3 +#define IPCC_FENCE_GPU 4 +#define IPCC_FENCE_CVP 8 +#define IPCC_FENCE_CAM 8 +#define IPCC_FENCE_CAM1 10 +#define IPCC_FENCE_DCP 11 +#define IPCC_FENCE_VPU 20 +#define IPCC_FENCE_SOCCP 24 + +#endif diff --git a/drivers/firmware/qcom/qcom_scm.c b/drivers/firmware/qcom/qcom_scm.c index 1a6f85e463e06..c180b1432e3df 100644 --- a/drivers/firmware/qcom/qcom_scm.c +++ b/drivers/firmware/qcom/qcom_scm.c @@ -2167,6 +2167,56 @@ int qcom_scm_qtee_callback_response(phys_addr_t buf, size_t buf_size, } EXPORT_SYMBOL(qcom_scm_qtee_callback_response); +static void qcom_scm_gunyah_wdt_free(void *data) +{ + struct platform_device *gunyah_wdt_dev = data; + + platform_device_unregister(gunyah_wdt_dev); +} + +static void qcom_scm_gunyah_wdt_init(struct qcom_scm *scm) +{ + struct platform_device *gunyah_wdt_dev; + struct device_node *np; + bool of_wdt_available; + int i; + static const uuid_t gunyah_uuid = UUID_INIT(0xc1d58fcd, 0xa453, 0x5fdb, + 0x92, 0x65, 0xce, 0x36, + 0x67, 0x3d, 0x5f, 0x14); + static const char * const of_wdt_compatible[] = { + "qcom,kpss-wdt", + "arm,sbsa-gwdt", + }; + + /* Bail out if we are not running under Gunyah */ + if (!IS_ENABLED(CONFIG_HAVE_ARM_SMCCC_DISCOVERY) || + !arm_smccc_hypervisor_has_uuid(&gunyah_uuid)) + return; + + /* + * Gunyah emulates either of Qualcomm watchdog or ARM SBSA watchdog on + * newer platforms. Bail out if we find them in the devicetree. + */ + for (i = 0; i < ARRAY_SIZE(of_wdt_compatible); i++) { + np = of_find_compatible_node(NULL, NULL, of_wdt_compatible[i]); + of_wdt_available = of_device_is_available(np); + of_node_put(np); + if (of_wdt_available) + return; + } + + gunyah_wdt_dev = platform_device_register_simple("gunyah-wdt", -1, + NULL, 0); + if (IS_ERR(gunyah_wdt_dev)) { + dev_err(scm->dev, "Failed to register Gunyah watchdog device: %ld\n", + PTR_ERR(gunyah_wdt_dev)); + return; + } + + devm_add_action_or_reset(scm->dev, qcom_scm_gunyah_wdt_free, + gunyah_wdt_dev); +} + static void qcom_scm_qtee_free(void *data) { struct platform_device *qtee_dev = data; @@ -2433,6 +2483,9 @@ static int qcom_scm_probe(struct platform_device *pdev) /* Initialize the QTEE object interface. */ qcom_scm_qtee_init(scm); + /* Initialize the Gunyah watchdog platform device. */ + qcom_scm_gunyah_wdt_init(scm); + return 0; } diff --git a/drivers/soc/qcom/icc-bwmon.c b/drivers/soc/qcom/icc-bwmon.c index 597f9025e4228..e46975da7dba6 100644 --- a/drivers/soc/qcom/icc-bwmon.c +++ b/drivers/soc/qcom/icc-bwmon.c @@ -830,7 +830,7 @@ static const struct icc_bwmon_data msm8998_bwmon_data = { static const struct icc_bwmon_data sdm845_cpu_bwmon_data = { .sample_ms = 4, .count_unit_kb = 64, - .zone1_thres_count = 16, + .zone1_thres_count = 3, .zone3_thres_count = 1, .quirks = BWMON_HAS_GLOBAL_IRQ, .regmap_fields = sdm845_cpu_bwmon_reg_fields, @@ -849,7 +849,7 @@ static const struct icc_bwmon_data sdm845_llcc_bwmon_data = { static const struct icc_bwmon_data sc7280_llcc_bwmon_data = { .sample_ms = 4, .count_unit_kb = 64, - .zone1_thres_count = 16, + .zone1_thres_count = 3, .zone3_thres_count = 1, .quirks = BWMON_NEEDS_FORCE_CLEAR, .regmap_fields = sdm845_llcc_bwmon_reg_fields, diff --git a/drivers/soc/qcom/llcc-qcom.c b/drivers/soc/qcom/llcc-qcom.c index 13e1742672945..1abfda7a58f2d 100644 --- a/drivers/soc/qcom/llcc-qcom.c +++ b/drivers/soc/qcom/llcc-qcom.c @@ -182,6 +182,197 @@ enum llcc_reg_offset { LLCC_TRP_WRS_CACHEABLE_EN, }; +static const struct llcc_slice_config glymur_data[] = { + { + .usecase_id = LLCC_CPUSS, + .slice_id = 1, + .max_cap = 7680, + .priority = 1, + .bonus_ways = 0xFFF, + .res_ways = 0x0, + .vict_prio = true, + .activate_on_init = true, + }, { + .usecase_id = LLCC_VIDSC0, + .slice_id = 2, + .max_cap = 512, + .priority = 3, + .fixed_size = true, + .bonus_ways = 0xFFF, + .res_ways = 0x0, + .vict_prio = true, + }, { + .usecase_id = LLCC_AUDIO, + .slice_id = 6, + .max_cap = 1024, + .priority = 1, + .fixed_size = true, + .bonus_ways = 0xFFF, + .res_ways = 0x0, + .vict_prio = true, + }, { + .usecase_id = LLCC_VIDSC1, + .slice_id = 4, + .max_cap = 512, + .priority = 3, + .fixed_size = true, + .bonus_ways = 0xFFF, + .res_ways = 0x0, + .vict_prio = true, + }, { + .usecase_id = LLCC_CMPT, + .slice_id = 10, + .max_cap = 7680, + .priority = 1, + .fixed_size = true, + .bonus_ways = 0xFFF, + .res_ways = 0x0, + .vict_prio = true, + }, { + .usecase_id = LLCC_GPUHTW, + .slice_id = 11, + .max_cap = 512, + .priority = 1, + .fixed_size = true, + .bonus_ways = 0xFFF, + .res_ways = 0x0, + .vict_prio = true, + }, { + .usecase_id = LLCC_GPU, + .slice_id = 9, + .max_cap = 7680, + .priority = 1, + .bonus_ways = 0xFFF, + .res_ways = 0x0, + .write_scid_en = true, + .write_scid_cacheable_en = true, + .stale_en = true, + .vict_prio = true, + }, { + .usecase_id = LLCC_MMUHWT, + .slice_id = 18, + .max_cap = 768, + .priority = 1, + .fixed_size = true, + .bonus_ways = 0xFFF, + .res_ways = 0x0, + .vict_prio = true, + .activate_on_init = true, + }, { + .usecase_id = LLCC_AUDHW, + .slice_id = 22, + .max_cap = 1024, + .priority = 1, + .fixed_size = true, + .bonus_ways = 0xFFF, + .res_ways = 0x0, + .vict_prio = true, + }, { + .usecase_id = LLCC_CVP, + .slice_id = 8, + .max_cap = 64, + .priority = 3, + .fixed_size = true, + .bonus_ways = 0xFFF, + .res_ways = 0x0, + .vict_prio = true, + }, { + .usecase_id = LLCC_WRCACHE, + .slice_id = 31, + .max_cap = 1536, + .priority = 1, + .fixed_size = true, + .bonus_ways = 0xFFF, + .res_ways = 0x0, + .vict_prio = true, + .activate_on_init = true, + }, { + .usecase_id = LLCC_CMPTHCP, + .slice_id = 17, + .max_cap = 256, + .priority = 3, + .fixed_size = true, + .bonus_ways = 0xFFF, + .res_ways = 0x0, + .vict_prio = true, + }, { + .usecase_id = LLCC_LCPDARE, + .slice_id = 30, + .max_cap = 768, + .priority = 3, + .fixed_size = true, + .bonus_ways = 0xFFF, + .res_ways = 0x0, + .alloc_oneway_en = true, + .vict_prio = true, + .activate_on_init = true, + }, { + .usecase_id = LLCC_AENPU, + .slice_id = 3, + .max_cap = 3072, + .priority = 1, + .fixed_size = true, + .bonus_ways = 0xFFF, + .res_ways = 0x0, + .cache_mode = 2, + .vict_prio = true, + }, { + .usecase_id = LLCC_ISLAND1, + .slice_id = 12, + .max_cap = 5632, + .priority = 7, + .fixed_size = true, + .bonus_ways = 0x0, + .res_ways = 0x7FF, + .vict_prio = true, + }, { + .usecase_id = LLCC_VIDVSP, + .slice_id = 28, + .max_cap = 256, + .priority = 3, + .fixed_size = true, + .bonus_ways = 0xFFF, + .res_ways = 0x0, + .vict_prio = true, + }, { + .usecase_id = LLCC_OOBM_NS, + .slice_id = 5, + .max_cap = 512, + .priority = 1, + .bonus_ways = 0xFFF, + .res_ways = 0x0, + .vict_prio = true, + }, { + .usecase_id = LLCC_CPUSS_OPP, + .slice_id = 32, + .max_cap = 0, + .fixed_size = true, + .bonus_ways = 0x0, + .res_ways = 0x0, + .vict_prio = true, + .activate_on_init = true, + }, { + .usecase_id = LLCC_PCIE_TCU, + .slice_id = 19, + .max_cap = 256, + .priority = 1, + .fixed_size = true, + .bonus_ways = 0xFFF, + .res_ways = 0x0, + .vict_prio = true, + .activate_on_init = true, + }, { + .usecase_id = LLCC_VIDSC_VSP1, + .slice_id = 29, + .max_cap = 256, + .priority = 3, + .fixed_size = true, + .bonus_ways = 0xFFF, + .res_ways = 0x0, + .vict_prio = true, + } +}; + static const struct llcc_slice_config ipq5424_data[] = { { .usecase_id = LLCC_CPUSS, @@ -3872,6 +4063,16 @@ static const struct qcom_llcc_config kaanapali_cfg[] = { }, }; +static const struct qcom_llcc_config glymur_cfg[] = { + { + .sct_data = glymur_data, + .size = ARRAY_SIZE(glymur_data), + .reg_offset = llcc_v6_reg_offset, + .edac_reg_offset = &llcc_v2_1_edac_reg_offset, + .no_edac = true, + }, +}; + static const struct qcom_llcc_config qcs615_cfg[] = { { .sct_data = qcs615_data, @@ -4103,6 +4304,11 @@ static const struct qcom_sct_config kaanapali_cfgs = { .num_config = ARRAY_SIZE(kaanapali_cfg), }; +static const struct qcom_sct_config glymur_cfgs = { + .llcc_config = glymur_cfg, + .num_config = ARRAY_SIZE(glymur_cfg), +}; + static const struct qcom_sct_config qcs615_cfgs = { .llcc_config = qcs615_cfg, .num_config = ARRAY_SIZE(qcs615_cfg), @@ -4941,6 +5147,7 @@ static int qcom_llcc_probe(struct platform_device *pdev) } static const struct of_device_id qcom_llcc_of_match[] = { + { .compatible = "qcom,glymur-llcc", .data = &glymur_cfgs }, { .compatible = "qcom,ipq5424-llcc", .data = &ipq5424_cfgs}, { .compatible = "qcom,kaanapali-llcc", .data = &kaanapali_cfgs}, { .compatible = "qcom,qcs615-llcc", .data = &qcs615_cfgs}, diff --git a/drivers/soc/qcom/pdr_internal.h b/drivers/soc/qcom/pdr_internal.h index 039508c1bbf7d..047c0160b6178 100644 --- a/drivers/soc/qcom/pdr_internal.h +++ b/drivers/soc/qcom/pdr_internal.h @@ -84,7 +84,7 @@ struct servreg_set_ack_resp { struct servreg_loc_pfr_req { char service[SERVREG_NAME_LENGTH + 1]; - char reason[257]; + char reason[SERVREG_PFR_LENGTH + 1]; }; struct servreg_loc_pfr_resp { diff --git a/drivers/soc/qcom/qcom_pdr_msg.c b/drivers/soc/qcom/qcom_pdr_msg.c index ca98932140d87..02022b11ecf05 100644 --- a/drivers/soc/qcom/qcom_pdr_msg.c +++ b/drivers/soc/qcom/qcom_pdr_msg.c @@ -325,7 +325,7 @@ const struct qmi_elem_info servreg_loc_pfr_req_ei[] = { }, { .data_type = QMI_STRING, - .elem_len = SERVREG_NAME_LENGTH + 1, + .elem_len = SERVREG_PFR_LENGTH + 1, .elem_size = sizeof(char), .array_type = VAR_LEN_ARRAY, .tlv_type = 0x02, diff --git a/drivers/soc/qcom/qmi_interface.c b/drivers/soc/qcom/qmi_interface.c index 6500f863aae5c..941612b1bd2e6 100644 --- a/drivers/soc/qcom/qmi_interface.c +++ b/drivers/soc/qcom/qmi_interface.c @@ -321,7 +321,7 @@ int qmi_txn_init(struct qmi_handle *qmi, struct qmi_txn *txn, mutex_lock(&qmi->txn_lock); ret = idr_alloc_cyclic(&qmi->txns, txn, 0, U16_MAX, GFP_KERNEL); if (ret < 0) - pr_err("failed to allocate transaction id\n"); + pr_err("failed to allocate transaction id: %d\n", ret); txn->id = ret; mutex_unlock(&qmi->txn_lock); @@ -413,7 +413,7 @@ static void qmi_invoke_handler(struct qmi_handle *qmi, struct sockaddr_qrtr *sq, ret = qmi_decode_message(buf, len, handler->ei, dest); if (ret < 0) - pr_err("failed to decode incoming message\n"); + pr_err("failed to decode incoming message: %d\n", ret); else handler->fn(qmi, sq, txn, dest); @@ -502,7 +502,7 @@ static void qmi_handle_message(struct qmi_handle *qmi, if (txn->dest && txn->ei) { ret = qmi_decode_message(buf, len, txn->ei, txn->dest); if (ret < 0) - pr_err("failed to decode incoming message\n"); + pr_err("failed to decode incoming message: %d\n", ret); txn->result = ret; complete(&txn->completion); @@ -661,8 +661,8 @@ int qmi_handle_init(struct qmi_handle *qmi, size_t recv_buf_size, if (PTR_ERR(qmi->sock) == -EAFNOSUPPORT) { ret = -EPROBE_DEFER; } else { - pr_err("failed to create QMI socket\n"); ret = PTR_ERR(qmi->sock); + pr_err("failed to create QMI socket: %d\n", ret); } goto err_destroy_wq; } @@ -766,7 +766,7 @@ static ssize_t qmi_send_message(struct qmi_handle *qmi, if (qmi->sock) { ret = kernel_sendmsg(qmi->sock, &msghdr, &iv, 1, len); if (ret < 0) - pr_err("failed to send QMI message\n"); + pr_err("failed to send QMI message: %d\n", ret); } else { ret = -EPIPE; } diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index d3b9df7d466b0..53fc030229616 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -2362,4 +2362,17 @@ config KEEMBAY_WATCHDOG To compile this driver as a module, choose M here: the module will be called keembay_wdt. +config GUNYAH_WATCHDOG + tristate "Qualcomm Gunyah Watchdog" + depends on ARCH_QCOM || COMPILE_TEST + depends on HAVE_ARM_SMCCC + select WATCHDOG_CORE + help + Say Y here to include support for watchdog timer provided by the + Gunyah hypervisor. The driver uses ARM SMC Calling Convention (SMCCC) + to interact with Gunyah Watchdog. + + To compile this driver as a module, choose M here: the + module will be called gunyah_wdt. + endif # WATCHDOG diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile index ba52099b12539..d7e39ceceed0e 100644 --- a/drivers/watchdog/Makefile +++ b/drivers/watchdog/Makefile @@ -103,6 +103,7 @@ obj-$(CONFIG_MSC313E_WATCHDOG) += msc313e_wdt.o obj-$(CONFIG_APPLE_WATCHDOG) += apple_wdt.o obj-$(CONFIG_SUNPLUS_WATCHDOG) += sunplus_wdt.o obj-$(CONFIG_MARVELL_GTI_WDT) += marvell_gti_wdt.o +obj-$(CONFIG_GUNYAH_WATCHDOG) += gunyah_wdt.o # X86 (i386 + ia64 + x86_64) Architecture obj-$(CONFIG_ACQUIRE_WDT) += acquirewdt.o diff --git a/drivers/watchdog/gunyah_wdt.c b/drivers/watchdog/gunyah_wdt.c new file mode 100644 index 0000000000000..49dfef459e847 --- /dev/null +++ b/drivers/watchdog/gunyah_wdt.c @@ -0,0 +1,261 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#define GUNYAH_WDT_SMCCC_CALL_VAL(func_id) \ + ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, ARM_SMCCC_SMC_32,\ + ARM_SMCCC_OWNER_VENDOR_HYP, func_id) + +/* SMCCC function IDs for watchdog operations */ +#define GUNYAH_WDT_CONTROL GUNYAH_WDT_SMCCC_CALL_VAL(0x0005) +#define GUNYAH_WDT_STATUS GUNYAH_WDT_SMCCC_CALL_VAL(0x0006) +#define GUNYAH_WDT_PING GUNYAH_WDT_SMCCC_CALL_VAL(0x0007) +#define GUNYAH_WDT_SET_TIME GUNYAH_WDT_SMCCC_CALL_VAL(0x0008) + +/* + * Control values for GUNYAH_WDT_CONTROL. + * Bit 0 is used to enable or disable the watchdog. If this bit is set, + * then the watchdog is enabled and vice versa. + * Bit 1 should always be set to 1 as this bit is reserved in Gunyah and + * it's expected to be 1. + */ +#define WDT_CTRL_ENABLE (BIT(1) | BIT(0)) +#define WDT_CTRL_DISABLE BIT(1) + +enum gunyah_error { + GUNYAH_ERROR_OK = 0, + GUNYAH_ERROR_UNIMPLEMENTED = -1, + GUNYAH_ERROR_ARG_INVAL = 1, +}; + +/** + * gunyah_error_remap() - Remap Gunyah hypervisor errors into a Linux error code + * @gunyah_error: Gunyah hypercall return value + */ +static inline int gunyah_error_remap(enum gunyah_error gunyah_error) +{ + switch (gunyah_error) { + case GUNYAH_ERROR_OK: + return 0; + case GUNYAH_ERROR_UNIMPLEMENTED: + return -EOPNOTSUPP; + default: + return -EINVAL; + } +} + +static int gunyah_wdt_call(unsigned long func_id, unsigned long arg1, + unsigned long arg2) +{ + struct arm_smccc_res res; + + arm_smccc_1_1_smc(func_id, arg1, arg2, &res); + return gunyah_error_remap(res.a0); +} + +static int gunyah_wdt_start(struct watchdog_device *wdd) +{ + unsigned int timeout_ms; + struct device *dev = wdd->parent; + int ret; + + ret = gunyah_wdt_call(GUNYAH_WDT_CONTROL, WDT_CTRL_DISABLE, 0); + if (ret && watchdog_active(wdd)) { + dev_err(dev, "%s: Failed to stop gunyah wdt %d\n", __func__, ret); + return ret; + } + + timeout_ms = wdd->timeout * 1000; + ret = gunyah_wdt_call(GUNYAH_WDT_SET_TIME, timeout_ms, timeout_ms); + if (ret) { + dev_err(dev, "%s: Failed to set timeout for gunyah wdt %d\n", + __func__, ret); + return ret; + } + + ret = gunyah_wdt_call(GUNYAH_WDT_CONTROL, WDT_CTRL_ENABLE, 0); + if (ret) + dev_err(dev, "%s: Failed to start gunyah wdt %d\n", __func__, ret); + + return ret; +} + +static int gunyah_wdt_stop(struct watchdog_device *wdd) +{ + return gunyah_wdt_call(GUNYAH_WDT_CONTROL, WDT_CTRL_DISABLE, 0); +} + +static int gunyah_wdt_ping(struct watchdog_device *wdd) +{ + return gunyah_wdt_call(GUNYAH_WDT_PING, 0, 0); +} + +static int gunyah_wdt_set_timeout(struct watchdog_device *wdd, + unsigned int timeout_sec) +{ + wdd->timeout = timeout_sec; + + if (watchdog_active(wdd)) + return gunyah_wdt_start(wdd); + + return 0; +} + +static int gunyah_wdt_get_time_since_last_ping(void) +{ + struct arm_smccc_res res; + + arm_smccc_1_1_smc(GUNYAH_WDT_STATUS, 0, 0, &res); + if (res.a0) + return gunyah_error_remap(res.a0); + + return res.a2 / 1000; +} + +static unsigned int gunyah_wdt_get_timeleft(struct watchdog_device *wdd) +{ + int seconds_since_last_ping; + + seconds_since_last_ping = gunyah_wdt_get_time_since_last_ping(); + if (seconds_since_last_ping < 0 || + seconds_since_last_ping > wdd->timeout) + return 0; + + return wdd->timeout - seconds_since_last_ping; +} + +static int gunyah_wdt_restart(struct watchdog_device *wdd, + unsigned long action, void *data) +{ + /* Set timeout to 1ms and send a ping */ + gunyah_wdt_call(GUNYAH_WDT_CONTROL, WDT_CTRL_DISABLE, 0); + gunyah_wdt_call(GUNYAH_WDT_SET_TIME, 1, 1); + gunyah_wdt_call(GUNYAH_WDT_CONTROL, WDT_CTRL_ENABLE, 0); + gunyah_wdt_call(GUNYAH_WDT_PING, 0, 0); + + /* Wait to make sure reset occurs */ + mdelay(100); + + return 0; +} + +static const struct watchdog_info gunyah_wdt_info = { + .identity = "Gunyah Watchdog", + .options = WDIOF_SETTIMEOUT + | WDIOF_KEEPALIVEPING + | WDIOF_MAGICCLOSE, +}; + +static const struct watchdog_ops gunyah_wdt_ops = { + .owner = THIS_MODULE, + .start = gunyah_wdt_start, + .stop = gunyah_wdt_stop, + .ping = gunyah_wdt_ping, + .set_timeout = gunyah_wdt_set_timeout, + .get_timeleft = gunyah_wdt_get_timeleft, + .restart = gunyah_wdt_restart +}; + +static int gunyah_wdt_probe(struct platform_device *pdev) +{ + struct watchdog_device *wdd; + struct device *dev = &pdev->dev; + int ret; + + ret = gunyah_wdt_call(GUNYAH_WDT_STATUS, 0, 0); + if (ret == -EOPNOTSUPP) + return -ENODEV; + + if (ret) + return dev_err_probe(dev, ret, "status check failed\n"); + + wdd = devm_kzalloc(dev, sizeof(*wdd), GFP_KERNEL); + if (!wdd) + return -ENOMEM; + + wdd->info = &gunyah_wdt_info; + wdd->ops = &gunyah_wdt_ops; + wdd->parent = dev; + + /* + * Although Gunyah expects 16-bit unsigned int values as timeout values + * in milliseconds, values above 0x8000 are reserved. This limits the + * max timeout value to 32 seconds. + */ + wdd->max_timeout = 32; /* seconds */ + wdd->min_timeout = 1; /* seconds */ + wdd->timeout = wdd->max_timeout; + + gunyah_wdt_stop(wdd); + platform_set_drvdata(pdev, wdd); + watchdog_set_restart_priority(wdd, 0); + + return devm_watchdog_register_device(dev, wdd); +} + +static void gunyah_wdt_remove(struct platform_device *pdev) +{ + struct watchdog_device *wdd = platform_get_drvdata(pdev); + + gunyah_wdt_stop(wdd); +} + +static int gunyah_wdt_suspend(struct device *dev) +{ + struct watchdog_device *wdd = dev_get_drvdata(dev); + + if (watchdog_active(wdd)) + gunyah_wdt_stop(wdd); + + return 0; +} + +static int gunyah_wdt_resume(struct device *dev) +{ + struct watchdog_device *wdd = dev_get_drvdata(dev); + + if (watchdog_active(wdd)) + gunyah_wdt_start(wdd); + + return 0; +} + +static DEFINE_SIMPLE_DEV_PM_OPS(gunyah_wdt_pm_ops, gunyah_wdt_suspend, gunyah_wdt_resume); + +/* + * Gunyah watchdog is a vendor-specific hypervisor interface provided by the + * Gunyah hypervisor. Using QCOM SCM driver to detect Gunyah watchdog SMCCC + * hypervisor service and register platform device when the service is available + * allows this driver to operate independently of the devicetree and avoids + * adding the non-hardware nodes to the devicetree. + */ +static const struct platform_device_id gunyah_wdt_id[] = { + { .name = "gunyah-wdt" }, + {} +}; +MODULE_DEVICE_TABLE(platform, gunyah_wdt_id); + +static struct platform_driver gunyah_wdt_driver = { + .driver = { + .name = "gunyah-wdt", + .pm = pm_sleep_ptr(&gunyah_wdt_pm_ops), + }, + .id_table = gunyah_wdt_id, + .probe = gunyah_wdt_probe, + .remove = gunyah_wdt_remove, +}; + +module_platform_driver(gunyah_wdt_driver); + +MODULE_DESCRIPTION("Gunyah Watchdog Driver"); +MODULE_LICENSE("GPL"); diff --git a/include/linux/soc/qcom/llcc-qcom.h b/include/linux/soc/qcom/llcc-qcom.h index 0287f9182c4d7..8243ab3a12a8d 100644 --- a/include/linux/soc/qcom/llcc-qcom.h +++ b/include/linux/soc/qcom/llcc-qcom.h @@ -74,13 +74,17 @@ #define LLCC_CAMSRTIP 73 #define LLCC_CAMRTRF 74 #define LLCC_CAMSRTRF 75 +#define LLCC_OOBM_NS 81 +#define LLCC_OOBM_S 82 #define LLCC_VIDEO_APV 83 #define LLCC_COMPUTE1 87 #define LLCC_CPUSS_OPP 88 #define LLCC_CPUSSMPAM 89 +#define LLCC_VIDSC_VSP1 91 #define LLCC_CAM_IPE_STROV 92 #define LLCC_CAM_OFE_STROV 93 #define LLCC_CPUSS_HEU 94 +#define LLCC_PCIE_TCU 97 #define LLCC_MDM_PNG_FIXED 100 /** diff --git a/include/linux/soc/qcom/pdr.h b/include/linux/soc/qcom/pdr.h index 83a8ea612e69a..2b7691e47c2a9 100644 --- a/include/linux/soc/qcom/pdr.h +++ b/include/linux/soc/qcom/pdr.h @@ -5,6 +5,7 @@ #include #define SERVREG_NAME_LENGTH 64 +#define SERVREG_PFR_LENGTH 256 struct pdr_service; struct pdr_handle;