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
# 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
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2019 NXP.
+ */
+
+#include <dt-bindings/firmware/imx/rsrc.h>
+#include <linux/firmware/imx/sci.h>
+#include <linux/slab.h>
+#include <linux/sys_soc.h>
+#include <linux/platform_device.h>
+#include <linux/of.h>
+
+static struct imx_sc_ipc *imx_sc_soc_ipc_handle;
+
+struct imx_sc_msg_misc_get_soc_id {
+ struct imx_sc_rpc_msg hdr;
+ union {
+ struct {
+ u32 control;
+ u16 resource;
+ } __packed req;
+ struct {
+ u32 id;
+ } resp;
+ } data;
+} __packed __aligned(4);
+
+struct imx_sc_msg_misc_get_soc_uid {
+ struct imx_sc_rpc_msg hdr;
+ u32 uid_low;
+ u32 uid_high;
+} __packed;
+
+static int imx_scu_soc_uid(u64 *soc_uid)
+{
+ struct imx_sc_msg_misc_get_soc_uid msg;
+ struct imx_sc_rpc_msg *hdr = &msg.hdr;
+ int ret;
+
+ hdr->ver = IMX_SC_RPC_VERSION;
+ hdr->svc = IMX_SC_RPC_SVC_MISC;
+ hdr->func = IMX_SC_MISC_FUNC_UNIQUE_ID;
+ hdr->size = 1;
+
+ 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;
+ }
+
+ *soc_uid = msg.uid_high;
+ *soc_uid <<= 32;
+ *soc_uid |= msg.uid_low;
+
+ return 0;
+}
+
+static int imx_scu_soc_id(void)
+{
+ struct imx_sc_msg_misc_get_soc_id msg;
+ struct imx_sc_rpc_msg *hdr = &msg.hdr;
+ int ret;
+
+ hdr->ver = IMX_SC_RPC_VERSION;
+ hdr->svc = IMX_SC_RPC_SVC_MISC;
+ hdr->func = IMX_SC_MISC_FUNC_GET_CONTROL;
+ hdr->size = 3;
+
+ msg.data.req.control = IMX_SC_C_ID;
+ msg.data.req.resource = IMX_SC_R_SYSTEM;
+
+ 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;
+ }
+
+ return msg.data.resp.id;
+}
+
+int imx_scu_soc_init(struct device *dev)
+{
+ struct soc_device_attribute *soc_dev_attr;
+ struct soc_device *soc_dev;
+ int id, ret;
+ u64 uid = 0;
+ u32 val;
+
+ ret = imx_scu_get_handle(&imx_sc_soc_ipc_handle);
+ if (ret)
+ return ret;
+
+ soc_dev_attr = devm_kzalloc(dev, sizeof(*soc_dev_attr),
+ GFP_KERNEL);
+ if (!soc_dev_attr)
+ return -ENOMEM;
+
+ soc_dev_attr->family = "Freescale i.MX";
+
+ ret = of_property_read_string(of_root,
+ "model",
+ &soc_dev_attr->machine);
+ if (ret)
+ return ret;
+
+ id = imx_scu_soc_id();
+ if (id < 0)
+ return -EINVAL;
+
+ ret = imx_scu_soc_uid(&uid);
+ if (ret < 0)
+ return -EINVAL;
+
+ /* format soc_id value passed from SCU firmware */
+ val = id & 0x1f;
+ 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(dev, GFP_KERNEL, "%d.%d",
+ (val >> 4) & 0xf, val & 0xf);
+ if (!soc_dev_attr->revision)
+ return -ENOMEM;
+
+ soc_dev_attr->serial_number = devm_kasprintf(dev, GFP_KERNEL,
+ "%016llX", uid);
+ if (!soc_dev_attr->serial_number)
+ return -ENOMEM;
+
+ soc_dev = soc_device_register(soc_dev_attr);
+ if (IS_ERR(soc_dev))
+ return PTR_ERR(soc_dev);
+
+ return 0;
+}
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,
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
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
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright 2019 NXP.
- */
-
-#include <dt-bindings/firmware/imx/rsrc.h>
-#include <linux/firmware/imx/sci.h>
-#include <linux/slab.h>
-#include <linux/sys_soc.h>
-#include <linux/platform_device.h>
-#include <linux/of.h>
-
-#define IMX_SCU_SOC_DRIVER_NAME "imx-scu-soc"
-
-static struct imx_sc_ipc *soc_ipc_handle;
-
-struct imx_sc_msg_misc_get_soc_id {
- struct imx_sc_rpc_msg hdr;
- union {
- struct {
- u32 control;
- u16 resource;
- } __packed req;
- struct {
- u32 id;
- } resp;
- } data;
-} __packed __aligned(4);
-
-struct imx_sc_msg_misc_get_soc_uid {
- struct imx_sc_rpc_msg hdr;
- u32 uid_low;
- u32 uid_high;
-} __packed;
-
-static int imx_scu_soc_uid(u64 *soc_uid)
-{
- struct imx_sc_msg_misc_get_soc_uid msg;
- struct imx_sc_rpc_msg *hdr = &msg.hdr;
- int ret;
-
- hdr->ver = IMX_SC_RPC_VERSION;
- hdr->svc = IMX_SC_RPC_SVC_MISC;
- hdr->func = IMX_SC_MISC_FUNC_UNIQUE_ID;
- hdr->size = 1;
-
- ret = imx_scu_call_rpc(soc_ipc_handle, &msg, true);
- if (ret) {
- pr_err("%s: get soc uid failed, ret %d\n", __func__, ret);
- return ret;
- }
-
- *soc_uid = msg.uid_high;
- *soc_uid <<= 32;
- *soc_uid |= msg.uid_low;
-
- return 0;
-}
-
-static int imx_scu_soc_id(void)
-{
- struct imx_sc_msg_misc_get_soc_id msg;
- struct imx_sc_rpc_msg *hdr = &msg.hdr;
- int ret;
-
- hdr->ver = IMX_SC_RPC_VERSION;
- hdr->svc = IMX_SC_RPC_SVC_MISC;
- hdr->func = IMX_SC_MISC_FUNC_GET_CONTROL;
- hdr->size = 3;
-
- 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);
- if (ret) {
- pr_err("%s: get soc info failed, ret %d\n", __func__, ret);
- return ret;
- }
-
- return msg.data.resp.id;
-}
-
-static int imx_scu_soc_probe(struct platform_device *pdev)
-{
- struct soc_device_attribute *soc_dev_attr;
- struct soc_device *soc_dev;
- int id, ret;
- u64 uid = 0;
- u32 val;
-
- ret = imx_scu_get_handle(&soc_ipc_handle);
- if (ret)
- return ret;
-
- soc_dev_attr = devm_kzalloc(&pdev->dev, sizeof(*soc_dev_attr),
- GFP_KERNEL);
- if (!soc_dev_attr)
- return -ENOMEM;
-
- soc_dev_attr->family = "Freescale i.MX";
-
- ret = of_property_read_string(of_root,
- "model",
- &soc_dev_attr->machine);
- if (ret)
- return ret;
-
- id = imx_scu_soc_id();
- if (id < 0)
- return -EINVAL;
-
- ret = imx_scu_soc_uid(&uid);
- if (ret < 0)
- return -EINVAL;
-
- /* 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);
- 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",
- (val >> 4) & 0xf, val & 0xf);
- if (!soc_dev_attr->revision)
- return -ENOMEM;
-
- soc_dev_attr->serial_number = devm_kasprintf(&pdev->dev, GFP_KERNEL,
- "%016llX", uid);
- if (!soc_dev_attr->serial_number)
- return -ENOMEM;
-
- soc_dev = soc_device_register(soc_dev_attr);
- if (IS_ERR(soc_dev))
- return PTR_ERR(soc_dev);
-
- 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);
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 */
projects / mirror_ubuntu-jammy-kernel.git / commitdiff