| /* 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) |
| { |
| u32 lcdbase = fb_base_mb(); |
| unsigned long 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() * 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, |
| }; |