Beispiel #1
0
const struct sdram_params *get_sdram_config()
{
	uint32_t ramcode = sdram_get_ram_code();
	/*
	 * If we need to apply some special hacks to RAMCODE mapping (ex, by
	 * board_id), do that now.
	 */

	printk(BIOS_SPEW, "%s: RAMCODE=%d\n", __func__, ramcode);
	if (ramcode >= sizeof(sdram_configs) / sizeof(sdram_configs[0]) ||
	    sdram_configs[ramcode].MemoryType == NvBootMemoryType_Unused) {
		die("Invalid RAMCODE.");
	}

	return &sdram_configs[ramcode];
}
Beispiel #2
0
void romstage(void)
{
	timestamp_add_now(TS_START_ROMSTAGE);

	console_init();
	exception_init();

	printk(BIOS_INFO, "T132: romstage here\n");

#if CONFIG_BOOTROM_SDRAM_INIT
	printk(BIOS_INFO, "T132 romstage: SDRAM init done by BootROM, RAMCODE = %d\n",
		sdram_get_ram_code());
#else
	sdram_init(get_sdram_config());
	printk(BIOS_INFO, "T132 romstage: sdram_init done\n");
#endif

	timestamp_add_now(TS_AFTER_INITRAM);

	/*
	 * Trust Zone needs to be initialized after the DRAM initialization
	 * because carveout registers are programmed during DRAM init.
	 * cbmem_initialize() is dependent on the Trust Zone region
	 * initalization because CBMEM lives right below the Trust Zone which
	 * needs to be properly identified.
	 */
	trustzone_region_init();

	/*
	 * When romstage is running it's always on the reboot path -- never a
	 * resume path where cbmem recovery is required. Therefore, always
	 * initialize the cbmem area to be empty.
	 */
	cbmem_initialize_empty();

	ccplex_cpu_prepare();
	printk(BIOS_INFO, "T132 romstage: cpu prepare done\n");

	ccplex_load_mts();
	printk(BIOS_INFO, "T132 romstage: MTS loading done\n");

	romstage_mainboard_init();

	run_ramstage();
}