1 files changed, 43 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/mach-tegra/sys_info.c b/roms/u-boot/arch/arm/mach-tegra/sys_info.c
new file mode 100644
index 000000000..5ad586ac1
--- /dev/null
+++ b/roms/u-boot/arch/arm/mach-tegra/sys_info.c
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2010,2011
+ * NVIDIA Corporation <www.nvidia.com>
+ */
+
+#include <common.h>
+#include <init.h>
+#include <linux/ctype.h>
+#if defined(CONFIG_TEGRA124) || defined(CONFIG_TEGRA30)
+#include <asm/arch-tegra/pmc.h>
+
+static char *get_reset_cause(void)
+{
+	struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+
+	switch (pmc->pmc_reset_status) {
+	case 0x00:
+		return "POR";
+	case 0x01:
+		return "WATCHDOG";
+	case 0x02:
+		return "SENSOR";
+	case 0x03:
+		return "SW_MAIN";
+	case 0x04:
+		return "LP0";
+	}
+	return "UNKNOWN";
+}
+#endif
+
+/* Print CPU information */
+int print_cpuinfo(void)
+{
+	printf("SoC: %s\n", CONFIG_SYS_SOC);
+#if defined(CONFIG_TEGRA124) || defined(CONFIG_TEGRA30)
+	printf("Reset cause: %s\n", get_reset_cause());
+#endif
+
+	/* TBD: Add printf of major/minor rev info, stepping, etc. */
+	return 0;
+}