diff options
Diffstat (limited to 'src/soc/nvidia/tegra124/soc.c')
-rw-r--r-- | src/soc/nvidia/tegra124/soc.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/soc/nvidia/tegra124/soc.c b/src/soc/nvidia/tegra124/soc.c new file mode 100644 index 0000000000..e996c110aa --- /dev/null +++ b/src/soc/nvidia/tegra124/soc.c @@ -0,0 +1,66 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2009 coresystems GmbH + * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved. + * 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 <device/device.h> +#include <soc/nvidia/tegra/dc.h> +#include <soc/addressmap.h> + +/* this sucks, but for now, fb size/location are hardcoded. + * Will break if we get 2. Sigh. + * We assume it's all multiples of MiB for MMUs sake. + */ +static void soc_enable(device_t dev) +{ + unsigned long fb_size = FB_SIZE_MB; + u32 lcdbase = FB_BASE_MB; + ram_resource(dev, 0, CONFIG_SYS_SDRAM_BASE/KiB, + (CONFIG_DRAM_SIZE_MB - fb_size)*KiB); + mmio_resource(dev, 1, lcdbase*KiB, fb_size*KiB); +} + +static void soc_init(device_t dev) +{ + display_startup(dev); + printk(BIOS_INFO, "CPU: Tegra124\n"); +} + +static void soc_noop(device_t dev) +{ +} + +static struct device_operations soc_ops = { + .read_resources = soc_noop, + .set_resources = soc_noop, + .enable_resources = soc_enable, + .init = soc_init, + .scan_bus = 0, +}; + +static void enable_tegra124_dev(device_t dev) +{ + dev->ops = &soc_ops; +} + +struct chip_operations soc_nvidia_tegra124_ops = { + CHIP_NAME("SOC Nvidia Tegra124") + .enable_dev = enable_tegra124_dev, +}; |