firmware: xilinx: Add zynqmp_pm_get_chipid() API (fe6f42cf) · Commits · 戴 / test

drivers/firmware/xilinx/zynqmp.c

+24 −0

Original line number	Diff line number	Diff line
		@@ -186,6 +186,29 @@ static int zynqmp_pm_get_api_version(u32 *version)
		return ret;
		}

		/**
		* zynqmp_pm_get_chipid - Get silicon ID registers
		* @idcode: IDCODE register
		* @version: version register
		*
		* Return: Returns the status of the operation and the idcode and version
		* registers in @idcode and @version.
		*/
		static int zynqmp_pm_get_chipid(u32 idcode, u32 version)
		{
		u32 ret_payload[PAYLOAD_ARG_CNT];
		int ret;

		if (!idcode \|\| !version)
		return -EINVAL;

		ret = zynqmp_pm_invoke_fn(PM_GET_CHIPID, 0, 0, 0, 0, ret_payload);
		*idcode = ret_payload[1];
		*version = ret_payload[2];

		return ret;
		}

		/**
		* zynqmp_pm_get_trustzone_version() - Get secure trustzone firmware version
		* @version: Returned version value
		@@ -509,6 +532,7 @@ static int zynqmp_pm_reset_get_status(const enum zynqmp_pm_reset reset,

		static const struct zynqmp_eemi_ops eemi_ops = {
		.get_api_version = zynqmp_pm_get_api_version,
		.get_chipid = zynqmp_pm_get_chipid,
		.query_data = zynqmp_pm_query_data,
		.clock_enable = zynqmp_pm_clock_enable,
		.clock_disable = zynqmp_pm_clock_disable,

+2 −0

Original line number	Diff line number	Diff line
		@@ -36,6 +36,7 @@ enum pm_api_id {
		PM_GET_API_VERSION = 1,
		PM_RESET_ASSERT = 17,
		PM_RESET_GET_STATUS,
		PM_GET_CHIPID = 24,
		PM_IOCTL = 34,
		PM_QUERY_DATA,
		PM_CLOCK_ENABLE,
		@@ -224,6 +225,7 @@ struct zynqmp_pm_query_data {

		struct zynqmp_eemi_ops {
		int (get_api_version)(u32 version);
		int (get_chipid)(u32 idcode, u32 *version);
		int (query_data)(struct zynqmp_pm_query_data qdata, u32 out);
		int (*clock_enable)(u32 clock_id);
		int (*clock_disable)(u32 clock_id);