/* Locate VBT and pass it to FSP GOP */
void load_vbt(uint8_t s3_resume, SILICON_INIT_UPD *params)
{
const optionrom_vbt_t *vbt_data = NULL;
size_t vbt_len;
/* Check boot mode - for S3 resume path VBT loading is not needed */
if (s3_resume) {
printk(BIOS_DEBUG, "S3 resume do not pass VBT to GOP\n");
} else if (display_init_required()) {
/* Get VBT data */
vbt_data = locate_vbt(&vbt_len);
if (vbt_data != NULL) {
if (CONFIG(DISPLAY_VBT)) {
/* Display the vbt file contents */
printk(BIOS_DEBUG, "VBT Data:\n");
hexdump(vbt_data, vbt_len);
printk(BIOS_DEBUG, "\n");
}
printk(BIOS_DEBUG, "Passing VBT to GOP\n");
} else {
printk(BIOS_DEBUG, "VBT not found!\n");
}
} else {
printk(BIOS_DEBUG, "Not passing VBT to GOP\n");
}
params->GraphicsConfigPtr = (u32)vbt_data;
}
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");
}
void *vbt_get(void)
{
if (!IS_ENABLED(CONFIG_RUN_FSP_GOP))
return NULL;
/* Normal mode and S3 resume path PEIM GFX init is not needed.
* Passing NULL as VBT will not make PEIM GFX to execute. */
if (acpi_is_wakeup_s3())
return NULL;
if (!display_init_required())
return NULL;
return locate_vbt(NULL);
}
static void soc_init(struct device *dev)
{
/*
* Reserve the whole TZRAM area because it will be marked as secure-only
* by BL31 and can not be accessed by the non-secure kernel.
*/
mmio_resource(dev, 1, (TZRAM_BASE / KiB), (TZRAM_SIZE / KiB));
if (IS_ENABLED(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 void soc_init(device_t dev)
{
struct soc_nvidia_tegra210_config *cfg;
clock_init_arm_generic_timer();
cfg = dev->chip_info;
spintable_init((void *)cfg->spintable_addr);
arch_initialize_cpus(dev, &cntrl_ops);
if (!IS_ENABLED(CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT))
return;
if (display_init_required())
display_startup(dev);
else
printk(BIOS_INFO, "Skipping display init.\n");
}
