soc.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <bootmem.h>
#include <bootmode.h>
#include <console/console.h>
#include <device/device.h>
#include <soc/addressmap.h>
#include <soc/clock.h>
#include <soc/display.h>
#include <soc/sdram.h>
#include <soc/symbols.h>
#include <symbols.h>
 
void bootmem_platform_add_ranges(void)
{
        bootmem_add_range((uintptr_t)_pmu_sram, REGION_SIZE(pmu_sram),
                          BM_MEM_BL31);
        bootmem_add_range((uintptr_t)_bl31_sram, REGION_SIZE(bl31_sram),
                          BM_MEM_BL31);
}
 
static void soc_read_resources(struct device *dev)
{
        ram_resource(dev, 0, (uintptr_t)_dram / KiB, sdram_size_mb() * KiB);
}
 
static void soc_init(struct device *dev)
{
        if (CONFIG(MAINBOARD_DO_NATIVE_VGA_INIT) && display_init_required())
                rk_display_init(dev);
        else
                printk(BIOS_INFO, "Display initialization disabled.\n");
 
        /* We don't need big CPUs, but bring them up as a courtesy to Linux. */
        rkclk_configure_cpu(APLL_600_MHZ, CPU_CLUSTER_BIG);
}
 
static struct device_operations soc_ops = {
        .read_resources = soc_read_resources,
        .init = soc_init,
};
 
static void enable_soc_dev(struct device *dev)
{
        dev->ops = &soc_ops;
}
 
struct chip_operations soc_rockchip_rk3399_ops = {
        CHIP_NAME("SOC Rockchip RK3399")
            .enable_dev = enable_soc_dev,
};