[U-Boot] [PATCH 3/9] Tegra: T30: Add CPU (armv7) files

Tom Warren
2012-09-12T22:10:49Z

Signed-off-by: Tom Warren <twarren@nvidia.com>
---
arch/arm/cpu/armv7/tegra30/Makefile | 48 +++++++++++++++++++++
arch/arm/cpu/armv7/tegra30/cmd_enterrcm.c | 65 +++++++++++++++++++++++++++++
arch/arm/cpu/armv7/tegra30/config.mk | 26 +++++++++++
3 files changed, 139 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/cpu/armv7/tegra30/Makefile
create mode 100644 arch/arm/cpu/armv7/tegra30/cmd_enterrcm.c
create mode 100644 arch/arm/cpu/armv7/tegra30/config.mk

diff --git a/arch/arm/cpu/armv7/tegra30/Makefile b/arch/arm/cpu/armv7/tegra30/Makefile
new file mode 100644
index 0000000..3b98e23
--- /dev/null
+++ b/arch/arm/cpu/armv7/tegra30/Makefile
@@ -0,0 +1,48 @@
+#
+# (C) Copyright 20102012 Nvidia Corporation.
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd at denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(SOC).o
+
+COBJS-$(CONFIG_CMD_ENTERRCM) += cmd_enterrcm.o
+
+COBJS := $(COBJS-y)
+SRCS := $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+
+all: $(obj).depend $(LIB)
+
+$(LIB): $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/arch/arm/cpu/armv7/tegra30/cmd_enterrcm.c b/arch/arm/cpu/armv7/tegra30/cmd_enterrcm.c
new file mode 100644
index 0000000..e146938
--- /dev/null
+++ b/arch/arm/cpu/armv7/tegra30/cmd_enterrcm.c
@@ -0,0 +1,65 @@
+/*
+ * 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 at wawnet.biz
+ *
+ * (C) Copyright 2004 Texas Insturments
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <common.h>
+#include <asm/arch/tegra30.h>
+#include <asm/arch/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",
+ ""
+);
diff --git a/arch/arm/cpu/armv7/tegra30/config.mk b/arch/arm/cpu/armv7/tegra30/config.mk
new file mode 100644
index 0000000..fad9efa
--- /dev/null
+++ b/arch/arm/cpu/armv7/tegra30/config.mk
@@ -0,0 +1,26 @@
+#
+# (C) Copyright 2010-2012
+# NVIDIA Corporation <www.nvidia.com>
+#
+# (C) Copyright 2002
+# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+CONFIG_ARCH_DEVICE_TREE := tegra30
--
1.7.0.4