Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / arch / arm / cpu / armv7 / tegra-common / cmd_enterrcm.c

diff --git a/qemu/roms/u-boot/arch/arm/cpu/armv7/tegra-common/cmd_enterrcm.c b/qemu/roms/u-boot/arch/arm/cpu/armv7/tegra-common/cmd_enterrcm.c
new file mode 100644 (file)
index 0000000..a94ec93
--- /dev/null
+++ b/qemu/roms/u-boot/arch/arm/cpu/armv7/tegra-common/cmd_enterrcm.c
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2012, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * Derived from code (arch/arm/lib/reset.c) that is:
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+ *
+ * (C) Copyright 2004
+ * DAVE Srl
+ * http://www.dave-tech.it
+ * http://www.wawnet.biz
+ * mailto:info@wawnet.biz
+ *
+ * (C) Copyright 2004 Texas Insturments
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/pmc.h>
+
+static int do_enterrcm(cmd_tbl_t *cmdtp, int flag, int argc,
+                      char * const argv[])
+{
+       struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+
+       puts("Entering RCM...\n");
+       udelay(50000);
+
+       pmc->pmc_scratch0 = 2;
+       disable_interrupts();
+       reset_cpu(0);
+
+       return 0;
+}
+
+U_BOOT_CMD(
+       enterrcm, 1, 0, do_enterrcm,
+       "reset Tegra and enter USB Recovery Mode",
+       ""
+);