GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/arch/arm/mach-imx/imx8/misc.c

@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: GPL-2.0+
+#include <common.h>
+#include <asm/arch/sci/sci.h>
+#include <asm/mach-imx/sys_proto.h>
+
+int sc_pm_setup_uart(sc_rsrc_t uart_rsrc, sc_pm_clock_rate_t clk_rate)
+{
+	sc_pm_clock_rate_t rate = clk_rate;
+	int ret;
+
+	/* Power up UARTn */
+	ret = sc_pm_set_resource_power_mode(-1, uart_rsrc, SC_PM_PW_MODE_ON);
+	if (ret)
+		return ret;
+
+	/* Set UARTn clock root to 'rate' MHz */
+	ret = sc_pm_set_clock_rate(-1, uart_rsrc, SC_PM_CLK_PER, &rate);
+	if (ret)
+		return ret;
+
+	/* Enable UARTn clock root */
+	ret = sc_pm_clock_enable(-1, uart_rsrc, SC_PM_CLK_PER, true, false);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+#define FSL_SIP_BUILDINFO			0xC2000003
+#define FSL_SIP_BUILDINFO_GET_COMMITHASH	0x00
+
+void build_info(void)
+{
+	u32 seco_build = 0, seco_commit = 0;
+	u32 sc_build = 0, sc_commit = 0;
+	ulong atf_commit = 0;
+
+	/* Get SCFW build and commit id */
+	sc_misc_build_info(-1, &sc_build, &sc_commit);
+	if (!sc_build) {
+		printf("SCFW does not support build info\n");
+		sc_commit = 0; /* Display 0 if build info not supported */
+	}
+
+	/* Get SECO FW build and commit id */
+	sc_seco_build_info(-1, &seco_build, &seco_commit);
+	if (!seco_build) {
+		debug("SECO FW does not support build info\n");
+		/* Display 0 when the build info is not supported */
+		seco_commit = 0;
+	}
+
+	/* Get ARM Trusted Firmware commit id */
+	atf_commit = call_imx_sip(FSL_SIP_BUILDINFO,
+				  FSL_SIP_BUILDINFO_GET_COMMITHASH, 0, 0, 0);
+	if (atf_commit == 0xffffffff) {
+		debug("ATF does not support build info\n");
+		atf_commit = 0x30; /* Display 0 */
+	}
+
+	printf("Build: SCFW %08x, SECO-FW %08x, ATF %s\n",
+	       sc_commit, seco_commit, (char *)&atf_commit);
+}