/* * 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. */ #include <arch/io.h> #include <bootmode.h> #include <console/console.h> #include <device/device.h> #include <soc/nvidia/tegra/dc.h> #include <soc/display.h> #include <soc/sdram.h> #include <symbols.h> #include "chip.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) { u32 lcdbase = fb_base_mb(); unsigned long fb_size = FB_SIZE_MB; ram_resource(dev, 0, (uintptr_t)_dram/KiB, (sdram_max_addressable_mb() - fb_size)*KiB - (uintptr_t)_dram/KiB); mmio_resource(dev, 1, lcdbase*KiB, fb_size*KiB); u32 sdram_end_mb = sdram_size_mb() + (uintptr_t)_dram/MiB; if (sdram_end_mb > sdram_max_addressable_mb()) ram_resource(dev, 2, sdram_max_addressable_mb()*KiB, (sdram_end_mb - sdram_max_addressable_mb())*KiB); } static void soc_init(device_t dev) { if (display_init_required()) display_startup(dev); else printk(BIOS_INFO, "Skipping display init.\n"); printk(BIOS_INFO, "CPU: Tegra124\n"); } static struct device_operations soc_ops = { .read_resources = DEVICE_NOOP, .set_resources = DEVICE_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, };