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tegra124: Add a stub implementation of the tegra124 SOC. 

Most things still needs to be filled in, but this will allow us to build
boards which use this SOC.

Change-Id: Ic790685a78193ccb223f4d9355bd3db57812af39
Signed-off-by: Gabe Black <gabeblack@google.com>
Reviewed-on: https://chromium-review.googlesource.com/170836
Reviewed-by: Gabe Black <gabeblack@chromium.org>
Commit-Queue: Gabe Black <gabeblack@chromium.org>
Tested-by: Gabe Black <gabeblack@chromium.org>
(cherry picked from commit 462456fd00164c10c80eff72240226a04445fe60)
Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com>
Reviewed-on: http://review.coreboot.org/6431
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
This commit is contained in:
Gabe Black 2013-09-26 16:22:09 -07:00 committed by Isaac Christensen
parent 1ee2c6dbdf
commit 396b072297
10 changed files with 181 additions and 0 deletions
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1
src/soc/Kconfig
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@ -1 +1,2 @@
source src/soc/intel/Kconfig
source src/soc/nvidia/Kconfig

1
src/soc/Makefile.inc
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## Subdirectories
################################################################################
subdirs-y += intel
subdirs-y += nvidia

1
src/soc/nvidia/Kconfig Normal file
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source src/soc/nvidia/tegra124/Kconfig

1
src/soc/nvidia/Makefile.inc Normal file
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subdirs-$(CONFIG_SOC_NVIDIA_TEGRA124) += tegra124

42
src/soc/nvidia/tegra124/Kconfig Normal file
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config SOC_NVIDIA_TEGRA124
depends on ARCH_ARMV7
bool
default n
if SOC_NVIDIA_TEGRA124
config BOOTBLOCK_CPU_INIT
string
default "soc/nvidia/tegra124/bootblock.c"
help
CPU/SoC-specific bootblock code. This is useful if the
bootblock must load microcode or copy data from ROM before
searching for the bootblock.
# ROM image layout.
#
# 0x00000 Combined bootblock and BCT blob
# 0x18000 Master CBFS header.
# 0x18080 Free for CBFS data.
config BOOTBLOCK_ROM_OFFSET
hex
default 0x0
config CBFS_HEADER_ROM_OFFSET
hex "offset of master CBFS header in ROM"
default 0x18000
config CBFS_ROM_OFFSET
hex "offset of CBFS data in ROM"
default 0x18080
config SYS_SDRAM_BASE
hex
default 0x80000000
config BOOTBLOCK_BASE
hex
default 0x80000000
endif

9
src/soc/nvidia/tegra124/Makefile.inc Normal file
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bootblock-y += cbfs.c
romstage-y += cbfs.c
romstage-y += monotonic_timer.c
romstage-y += timer.c
ramstage-y += cbfs.c
ramstage-y += monotonic_timer.c
ramstage-y += timer.c

23
src/soc/nvidia/tegra124/bootblock.c Normal file
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/*
* This file is part of the coreboot project.
*
* Copyright 2013 Google Inc.
*
* 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; version 2 of the License.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
void bootblock_cpu_init(void);
void bootblock_cpu_init(void)
{
}

26
src/soc/nvidia/tegra124/cbfs.c Normal file
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/*
* This file is part of the coreboot project.
*
* Copyright 2013 Google Inc.
*
* 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; version 2 of the License.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <cbfs.h> /* This driver serves as a CBFS media source. */
int init_default_cbfs_media(struct cbfs_media *media)
{
return -1;
}

24
src/soc/nvidia/tegra124/monotonic_timer.c Normal file
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/*
* This file is part of the coreboot project.
*
* Copyright 2013 Google Inc.
*
* 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; version 2 of the License.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <timer.h>
void timer_monotonic_get(struct mono_time *mt)
{
}

53
src/soc/nvidia/tegra124/timer.c Normal file
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/*
* This file is part of the coreboot project.
*
* Copyright 2013 Google Inc.
*
* 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; version 2 of the License.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <console/console.h>
#include <timer.h>
#include <delay.h>
#include <thread.h>
void init_timer(void)
{
}
/* delay x useconds */
void udelay(unsigned usec)
{
struct mono_time current, end;
if (!thread_yield_microseconds(usec))
return;
timer_monotonic_get(&current);
end = current;
mono_time_add_usecs(&end, usec);
if (mono_time_after(&current, &end)) {
printk(BIOS_EMERG, "udelay: 0x%08x is impossibly large\n",
usec);
/* There's not much we can do if usec is too big. Use a long,
* paranoid delay value and hope for the best... */
end = current;
mono_time_add_usecs(&end, USECS_PER_SEC);
}
while (mono_time_before(&current, &end))
timer_monotonic_get(&current);
}