Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

4 files changed, 133 insertions, 0 deletions

diff --git a/roms/u-boot/arch/arm/cpu/arm720t/Makefile b/roms/u-boot/arch/arm/cpu/arm720t/Makefile
new file mode 100644
index 000000000..e70b59061
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/arm720t/Makefile
@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+
+extra-y	= start.o
+obj-y	= interrupts.o cpu.o
diff --git a/roms/u-boot/arch/arm/cpu/arm720t/cpu.c b/roms/u-boot/arch/arm/cpu/arm720t/cpu.c
new file mode 100644
index 000000000..ece09c83a
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/arm720t/cpu.c
@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (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>
+ */
+
+/*
+ * cleanup_before_linux() - Prepare the CPU to jump to Linux
+ *
+ * This function is called just before we call Linux, it
+ * prepares the processor for linux
+ */
+int cleanup_before_linux(void)
+{
+	return 0;
+}
diff --git a/roms/u-boot/arch/arm/cpu/arm720t/interrupts.c b/roms/u-boot/arch/arm/cpu/arm720t/interrupts.c
new file mode 100644
index 000000000..f0fc58dea
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/arm720t/interrupts.c
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (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>
+ */
+
+#include <common.h>
+
+#if defined(CONFIG_ARCH_TEGRA)
+static ulong timestamp;
+static ulong lastdec;
+
+int timer_init (void)
+{
+	/* No timer routines for tegra as yet */
+	lastdec = 0;
+	timestamp = 0;
+
+	return 0;
+}
+#endif
diff --git a/roms/u-boot/arch/arm/cpu/arm720t/start.S b/roms/u-boot/arch/arm/cpu/arm720t/start.S
new file mode 100644
index 000000000..ecb4e44fd
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/arm720t/start.S
@@ -0,0 +1,79 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ *  armboot - Startup Code for ARM720 CPU-core
+ *
+ *  Copyright (c) 2001	Marius Gröger <mag@sysgo.de>
+ *  Copyright (c) 2002	Alex Züpke <azu@sysgo.de>
+ */
+
+#include <asm-offsets.h>
+#include <config.h>
+
+/*
+ *************************************************************************
+ *
+ * Startup Code (reset vector)
+ *
+ * do important init only if we don't start from RAM!
+ * relocate armboot to ram
+ * setup stack
+ * jump to second stage
+ *
+ *************************************************************************
+ */
+
+	.globl	reset
+
+reset:
+	/*
+	 * set the cpu to SVC32 mode
+	 */
+	mrs	r0,cpsr
+	bic	r0,r0,#0x1f
+	orr	r0,r0,#0xd3
+	msr	cpsr,r0
+
+	/*
+	 * we do sys-critical inits only at reboot,
+	 * not when booting from ram!
+	 */
+#if !defined(CONFIG_SKIP_LOWLEVEL_INIT) && \
+		!defined(CONFIG_SKIP_LOWLEVEL_INIT_ONLY)
+	bl	cpu_init_crit
+#endif
+
+	bl	_main
+
+/*------------------------------------------------------------------------------*/
+
+	.globl	c_runtime_cpu_setup
+c_runtime_cpu_setup:
+
+	mov	pc, lr
+
+/*
+ *************************************************************************
+ *
+ * CPU_init_critical registers
+ *
+ * setup important registers
+ * setup memory timing
+ *
+ *************************************************************************
+ */
+
+#if !defined(CONFIG_SKIP_LOWLEVEL_INIT) && \
+		!defined(CONFIG_SKIP_LOWLEVEL_INIT_ONLY)
+cpu_init_crit:
+
+	mov	ip, lr
+	/*
+	 * before relocating, we have to setup RAM timing
+	 * because memory timing is board-dependent, you will
+	 * find a lowlevel_init.S in your board directory.
+	 */
+	bl	lowlevel_init
+	mov	lr, ip
+
+	mov	pc, lr
+#endif /* CONFIG_SKIP_LOWLEVEL_INIT */