diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index 883e8bace3ed2567e9d8dbdb3e8567e415ab5a5d..c99237ac10a4c44c21199f5d1867fd455f4c09b6 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -850,7 +850,6 @@ CONFIG_OWL_PM_DOMAINS=y CONFIG_RASPBERRYPI_POWER=y CONFIG_FSL_DPAA=y CONFIG_FSL_MC_DPIO=y -CONFIG_IMX_SCU_SOC=y CONFIG_QCOM_AOSS_QMP=y CONFIG_QCOM_GENI_SE=y CONFIG_QCOM_RMTFS_MEM=m diff --git a/drivers/firmware/imx/Makefile b/drivers/firmware/imx/Makefile index 17ea3613e142694c2b36a2716d1b532ea47b21ee..b76acbade2a047b5ee8300f7489b94ffb2f59c45 100644 --- a/drivers/firmware/imx/Makefile +++ b/drivers/firmware/imx/Makefile @@ -1,4 +1,4 @@ # SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_IMX_DSP) += imx-dsp.o -obj-$(CONFIG_IMX_SCU) += imx-scu.o misc.o imx-scu-irq.o rm.o +obj-$(CONFIG_IMX_SCU) += imx-scu.o misc.o imx-scu-irq.o rm.o imx-scu-soc.o obj-$(CONFIG_IMX_SCU_PD) += scu-pd.o diff --git a/drivers/soc/imx/soc-imx-scu.c b/drivers/firmware/imx/imx-scu-soc.c similarity index 66% rename from drivers/soc/imx/soc-imx-scu.c rename to drivers/firmware/imx/imx-scu-soc.c index 92448ca9a6f87f1deff96a60531996779835178a..2f32353de2c9cb3b6d1cbbfd6318d2071943128c 100644 --- a/drivers/soc/imx/soc-imx-scu.c +++ b/drivers/firmware/imx/imx-scu-soc.c @@ -10,9 +10,7 @@ #include #include -#define IMX_SCU_SOC_DRIVER_NAME "imx-scu-soc" - -static struct imx_sc_ipc *soc_ipc_handle; +static struct imx_sc_ipc *imx_sc_soc_ipc_handle; struct imx_sc_msg_misc_get_soc_id { struct imx_sc_rpc_msg hdr; @@ -44,7 +42,7 @@ static int imx_scu_soc_uid(u64 *soc_uid) hdr->func = IMX_SC_MISC_FUNC_UNIQUE_ID; hdr->size = 1; - ret = imx_scu_call_rpc(soc_ipc_handle, &msg, true); + ret = imx_scu_call_rpc(imx_sc_soc_ipc_handle, &msg, true); if (ret) { pr_err("%s: get soc uid failed, ret %d\n", __func__, ret); return ret; @@ -71,7 +69,7 @@ static int imx_scu_soc_id(void) msg.data.req.control = IMX_SC_C_ID; msg.data.req.resource = IMX_SC_R_SYSTEM; - ret = imx_scu_call_rpc(soc_ipc_handle, &msg, true); + ret = imx_scu_call_rpc(imx_sc_soc_ipc_handle, &msg, true); if (ret) { pr_err("%s: get soc info failed, ret %d\n", __func__, ret); return ret; @@ -80,7 +78,7 @@ static int imx_scu_soc_id(void) return msg.data.resp.id; } -static int imx_scu_soc_probe(struct platform_device *pdev) +int imx_scu_soc_init(struct device *dev) { struct soc_device_attribute *soc_dev_attr; struct soc_device *soc_dev; @@ -88,11 +86,11 @@ static int imx_scu_soc_probe(struct platform_device *pdev) u64 uid = 0; u32 val; - ret = imx_scu_get_handle(&soc_ipc_handle); + ret = imx_scu_get_handle(&imx_sc_soc_ipc_handle); if (ret) return ret; - soc_dev_attr = devm_kzalloc(&pdev->dev, sizeof(*soc_dev_attr), + soc_dev_attr = devm_kzalloc(dev, sizeof(*soc_dev_attr), GFP_KERNEL); if (!soc_dev_attr) return -ENOMEM; @@ -115,19 +113,19 @@ static int imx_scu_soc_probe(struct platform_device *pdev) /* format soc_id value passed from SCU firmware */ val = id & 0x1f; - soc_dev_attr->soc_id = devm_kasprintf(&pdev->dev, GFP_KERNEL, "0x%x", val); + soc_dev_attr->soc_id = devm_kasprintf(dev, GFP_KERNEL, "0x%x", val); if (!soc_dev_attr->soc_id) return -ENOMEM; /* format revision value passed from SCU firmware */ val = (id >> 5) & 0xf; val = (((val >> 2) + 1) << 4) | (val & 0x3); - soc_dev_attr->revision = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%d.%d", + soc_dev_attr->revision = devm_kasprintf(dev, GFP_KERNEL, "%d.%d", (val >> 4) & 0xf, val & 0xf); if (!soc_dev_attr->revision) return -ENOMEM; - soc_dev_attr->serial_number = devm_kasprintf(&pdev->dev, GFP_KERNEL, + soc_dev_attr->serial_number = devm_kasprintf(dev, GFP_KERNEL, "%016llX", uid); if (!soc_dev_attr->serial_number) return -ENOMEM; @@ -138,35 +136,3 @@ static int imx_scu_soc_probe(struct platform_device *pdev) return 0; } - -static struct platform_driver imx_scu_soc_driver = { - .driver = { - .name = IMX_SCU_SOC_DRIVER_NAME, - }, - .probe = imx_scu_soc_probe, -}; - -static int __init imx_scu_soc_init(void) -{ - struct platform_device *pdev; - struct device_node *np; - int ret; - - np = of_find_compatible_node(NULL, NULL, "fsl,imx-scu"); - if (!np) - return -ENODEV; - - of_node_put(np); - - ret = platform_driver_register(&imx_scu_soc_driver); - if (ret) - return ret; - - pdev = platform_device_register_simple(IMX_SCU_SOC_DRIVER_NAME, - -1, NULL, 0); - if (IS_ERR(pdev)) - platform_driver_unregister(&imx_scu_soc_driver); - - return PTR_ERR_OR_ZERO(pdev); -} -device_initcall(imx_scu_soc_init); diff --git a/drivers/firmware/imx/imx-scu.c b/drivers/firmware/imx/imx-scu.c index 2ab048222fe9199b436e38cde4b3586c85e65d65..dca79caccd01c15ff5761423e24a247a858abf7a 100644 --- a/drivers/firmware/imx/imx-scu.c +++ b/drivers/firmware/imx/imx-scu.c @@ -328,6 +328,10 @@ static int imx_scu_probe(struct platform_device *pdev) imx_sc_ipc_handle = sc_ipc; + ret = imx_scu_soc_init(dev); + if (ret) + dev_warn(dev, "failed to initialize SoC info: %d\n", ret); + ret = imx_scu_enable_general_irq_channel(dev); if (ret) dev_warn(dev, diff --git a/drivers/soc/imx/Kconfig b/drivers/soc/imx/Kconfig index d515d2cc20ed13d1afb90b99a4151654909da702..d49fa63ed9c95d09bb0e296d33305c7be1542b19 100644 --- a/drivers/soc/imx/Kconfig +++ b/drivers/soc/imx/Kconfig @@ -8,15 +8,6 @@ config IMX_GPCV2_PM_DOMAINS select PM_GENERIC_DOMAINS default y if SOC_IMX7D -config IMX_SCU_SOC - bool "i.MX System Controller Unit SoC info support" - depends on IMX_SCU - select SOC_BUS - help - If you say yes here you get support for the NXP i.MX System - Controller Unit SoC info module, it will provide the SoC info - like SoC family, ID and revision etc. - config SOC_IMX8M bool "i.MX8M SoC family support" depends on ARCH_MXC || COMPILE_TEST diff --git a/drivers/soc/imx/Makefile b/drivers/soc/imx/Makefile index 446143241fe7c5990d557b35485934bfaf2c9202..078dc918f4f35a7607a007fa1012b5a7338f6469 100644 --- a/drivers/soc/imx/Makefile +++ b/drivers/soc/imx/Makefile @@ -5,4 +5,3 @@ endif obj-$(CONFIG_HAVE_IMX_GPC) += gpc.o obj-$(CONFIG_IMX_GPCV2_PM_DOMAINS) += gpcv2.o obj-$(CONFIG_SOC_IMX8M) += soc-imx8m.o -obj-$(CONFIG_IMX_SCU_SOC) += soc-imx-scu.o diff --git a/include/linux/firmware/imx/sci.h b/include/linux/firmware/imx/sci.h index 3c459f54a88f26b13e60d7f36778324e0c7ffcfc..22c76571a2940f835d8f47c0824128831399b744 100644 --- a/include/linux/firmware/imx/sci.h +++ b/include/linux/firmware/imx/sci.h @@ -20,4 +20,5 @@ int imx_scu_enable_general_irq_channel(struct device *dev); int imx_scu_irq_register_notifier(struct notifier_block *nb); int imx_scu_irq_unregister_notifier(struct notifier_block *nb); int imx_scu_irq_group_enable(u8 group, u32 mask, u8 enable); +int imx_scu_soc_init(struct device *dev); #endif /* _SC_SCI_H */