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@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@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