/* SPDX-License-Identifier: GPL-2.0-only */ #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_read_resources(struct device *dev) { uint64_t lcdbase = fb_base_mb(); uint64_t fb_size = FB_SIZE_MB; ram_from_to(dev, 0, (uintptr_t)_dram, (sdram_max_addressable_mb() - fb_size) * MiB); mmio_range(dev, 1, lcdbase * MiB, fb_size * MiB); ram_from_to(dev, 2, sdram_max_addressable_mb() * (uint64_t)MiB, (uintptr_t)_dram + sdram_size_mb() * (uint64_t)MiB); } static void soc_init(struct device *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 = soc_read_resources, .set_resources = noop_set_resources, .init = soc_init, }; static void enable_tegra124_dev(struct device *dev) { dev->ops = &soc_ops; } struct chip_operations soc_nvidia_tegra124_ops = { CHIP_NAME("SOC Nvidia Tegra124") .enable_dev = enable_tegra124_dev, };