C++ (Cpp) sdram_size_mb Examples

Example #1

File: romstage.c Project: bitpick/coreboot

void main(void)
{
	timestamp_add_now(TS_START_ROMSTAGE);

	console_init();
	configure_l2ctlr();
	tsadc_init();

	/* vdd_log 1200mv is enough for ddr run 666Mhz */
	regulate_vdd_log(1200);

	timestamp_add_now(TS_BEFORE_INITRAM);

	sdram_init(get_sdram_config());

	timestamp_add_now(TS_AFTER_INITRAM);

	/* Now that DRAM is up, add mappings for it and DMA coherency buffer. */
	mmu_config_range((uintptr_t)_dram/MiB,
			 sdram_size_mb(), DCACHE_WRITEBACK);
	mmu_config_range((uintptr_t)_dma_coherent/MiB,
			 _dma_coherent_size/MiB, DCACHE_OFF);

	cbmem_initialize_empty();

	timestamp_add_now(TS_END_ROMSTAGE);

	run_ramstage();
}

Example #2

File: soc.c Project: hschauhan/xvisor-coreboot

static void soc_init(device_t dev)
{
	ram_resource(dev, 0, (uintptr_t)_dram/KiB, sdram_size_mb()*(MiB/KiB));
	if (vboot_skip_display_init())
		printk(BIOS_INFO, "Skipping display init.\n");
#if !IS_ENABLED(CONFIG_SKIP_DISPLAY_INIT_HACK)
	else
		rk_display_init(dev, (uintptr_t)_framebuffer,
				_framebuffer_size);
#endif
}

Example #3

File: romstage.c Project: zamaudio/coreboot

void main(void)
{
#if CONFIG_COLLECT_TIMESTAMPS
	uint64_t start_romstage_time;
	uint64_t before_dram_time;
	uint64_t after_dram_time;
	uint64_t base_time = timestamp_get();
	start_romstage_time = timestamp_get();
#endif

	console_init();
	configure_l2ctlr();
	tsadc_init();

	/* vdd_log 1200mv is enough for ddr run 666Mhz */
	regulate_vdd_log(1200);
#if CONFIG_COLLECT_TIMESTAMPS
	before_dram_time = timestamp_get();
#endif
	sdram_init(get_sdram_config());
#if CONFIG_COLLECT_TIMESTAMPS
	after_dram_time = timestamp_get();
#endif

	/* Now that DRAM is up, add mappings for it and DMA coherency buffer. */
	mmu_config_range((uintptr_t)_dram/MiB,
			 sdram_size_mb(), DCACHE_WRITEBACK);
	mmu_config_range((uintptr_t)_dma_coherent/MiB,
			 _dma_coherent_size/MiB, DCACHE_OFF);

	cbmem_initialize_empty();

#if CONFIG_COLLECT_TIMESTAMPS
	timestamp_init(base_time);
	timestamp_add(TS_START_ROMSTAGE, start_romstage_time);
	timestamp_add(TS_BEFORE_INITRAM, before_dram_time);
	timestamp_add(TS_AFTER_INITRAM, after_dram_time);
	timestamp_add_now(TS_END_ROMSTAGE);
#endif

#if IS_ENABLED(CONFIG_VBOOT_VERIFY_FIRMWARE)
	void *entry = vboot2_load_ramstage();
	if (entry != NULL)
		stage_exit(entry);
#endif

	run_ramstage();
}

Example #4

File: soc.c Project: bitpick/coreboot

/* 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_enable(device_t dev)
{
	u32 lcdbase = fb_base_mb();
	unsigned long fb_size = FB_SIZE_MB;

	ram_resource(dev, 0, (uintptr_t)_dram/KiB,
		(sdram_max_addressable_mb() - fb_size)*KiB -
		(uintptr_t)_dram/KiB);
	mmio_resource(dev, 1, lcdbase*KiB, fb_size*KiB);

	u32 sdram_end_mb = sdram_size_mb() + (uintptr_t)_dram/MiB;

	if (sdram_end_mb > sdram_max_addressable_mb())
		ram_resource(dev, 2, sdram_max_addressable_mb()*KiB,
			(sdram_end_mb - sdram_max_addressable_mb())*KiB);
}

Example #5

File: soc.c Project: kleopatra999/coreboot

/* 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_enable(device_t dev)
{
	u32 lcdbase = fb_base_mb();
	unsigned long fb_size = FB_SIZE_MB;

	ram_resource(dev, 0, CONFIG_SYS_SDRAM_BASE/KiB,
		(sdram_max_addressable_mb() - fb_size)*KiB -
		CONFIG_SYS_SDRAM_BASE/KiB);
	mmio_resource(dev, 1, lcdbase*KiB, fb_size*KiB);

	u32 sdram_end_mb = sdram_size_mb() + CONFIG_SYS_SDRAM_BASE/MiB;

	if (sdram_end_mb > sdram_max_addressable_mb())
		ram_resource(dev, 2, sdram_max_addressable_mb()*KiB,
			(sdram_end_mb - sdram_max_addressable_mb())*KiB);
}

Example #6

File: romstage.c Project: canistation/coreboot

void platform_romstage_main(void)
{
	tsadc_init(TSHUT_POL_HIGH);

	/* Init DVS to conservative values. */
	init_dvs_outputs();

	prepare_sdmmc();
	prepare_usb();

	sdram_init(get_sdram_config());

	mmu_config_range((void *)0, (uintptr_t)sdram_size_mb() * MiB,
			 CACHED_MEM);
	mmu_config_range(_dma_coherent, REGION_SIZE(dma_coherent),
			 UNCACHED_MEM);
}

Example #7

File: cbmem.c Project: Innovatus/coreboot

void *cbmem_top(void)
{
    return _dram + sdram_size_mb()*MiB;
}

Example #8

File: soc.c Project: RafaelRMachado/Coreboot

static void soc_init(device_t dev)
{
	ram_resource(dev, 0, (uintptr_t)_dram/KiB, sdram_size_mb()*(MiB/KiB));
	usb_init();
}

Example #9

void *cbmem_top(void)
{
	/* Make sure not to overlap with reserved ATF scratchpad */
	return (void *)min((uintptr_t)_dram + (sdram_size_mb() - 1) * MiB,
			   4ULL * GiB);
}

Example #10

static void soc_read_resources(struct device *dev)
{
	ram_resource(dev, 0, (uintptr_t)_dram / KiB, sdram_size_mb() * KiB);
}

Example #11

File: cbmem.c Project: canistation/coreboot

void *cbmem_top(void)
{
	return (void *)min((uintptr_t)_dram + sdram_size_mb() * MiB,
			   FU540_MAXDRAM);
}