#include <rtc.h>
#include <spi.h>
#include <spi_flash.h>
+#include <syscon.h>
+#include <asm/cpu.h>
#include <asm/processor.h>
#include <asm/gpio.h>
#include <asm/global_data.h>
{
u16 c1, c2, checksum, seed_checksum;
struct udevice *dev;
- int rcode = 0;
+ int ret = 0;
- rcode = uclass_get_device(UCLASS_RTC, 0, &dev);
- if (rcode) {
- debug("Cannot find RTC: err=%d\n", rcode);
+ ret = uclass_get_device(UCLASS_RTC, 0, &dev);
+ if (ret) {
+ debug("Cannot find RTC: err=%d\n", ret);
return -ENODEV;
}
* the flash too much. So we store these in CMOS and the large MRC
* data in SPI flash.
*/
- rtc_read32(dev, CMOS_OFFSET_MRC_SEED, &pei_data->scrambler_seed);
+ ret = rtc_read32(dev, CMOS_OFFSET_MRC_SEED, &pei_data->scrambler_seed);
+ if (!ret) {
+ ret = rtc_read32(dev, CMOS_OFFSET_MRC_SEED_S3,
+ &pei_data->scrambler_seed_s3);
+ }
+ if (ret) {
+ debug("Failed to read from RTC %s\n", dev->name);
+ return ret;
+ }
+
debug("Read scrambler seed 0x%08x from CMOS 0x%02x\n",
pei_data->scrambler_seed, CMOS_OFFSET_MRC_SEED);
-
- rtc_read32(dev, CMOS_OFFSET_MRC_SEED_S3, &pei_data->scrambler_seed_s3);
debug("Read S3 scrambler seed 0x%08x from CMOS 0x%02x\n",
pei_data->scrambler_seed_s3, CMOS_OFFSET_MRC_SEED_S3);
if (!mrc_cache)
return -ENOENT;
- /*
- * TODO(sjg@chromium.org): Skip this for now as it causes boot
- * problems
- */
- if (0) {
- pei_data->mrc_input = mrc_cache->data;
- pei_data->mrc_input_len = mrc_cache->data_size;
- }
+ pei_data->mrc_input = mrc_cache->data;
+ pei_data->mrc_input_len = mrc_cache->data_size;
debug("%s: at %p, size %x checksum %04x\n", __func__,
pei_data->mrc_input, pei_data->mrc_input_len,
mrc_cache->checksum);
{
u16 c1, c2, checksum;
struct udevice *dev;
- int rcode = 0;
+ int ret = 0;
- rcode = uclass_get_device(UCLASS_RTC, 0, &dev);
- if (rcode) {
- debug("Cannot find RTC: err=%d\n", rcode);
+ ret = uclass_get_device(UCLASS_RTC, 0, &dev);
+ if (ret) {
+ debug("Cannot find RTC: err=%d\n", ret);
return -ENODEV;
}
/**
* Find the PEI executable in the ROM and execute it.
*
- * @param pei_data: configuration data for UEFI PEI reference code
+ * @dev: Northbridge device
+ * @pei_data: configuration data for UEFI PEI reference code
*/
-int sdram_initialise(struct pei_data *pei_data)
+int sdram_initialise(struct udevice *dev, struct udevice *me_dev,
+ struct pei_data *pei_data)
{
unsigned version;
const char *data;
uint16_t done;
int ret;
- report_platform_info();
+ report_platform_info(dev);
/* Wait for ME to be ready */
- ret = intel_early_me_init();
+ ret = intel_early_me_init(me_dev);
if (ret)
return ret;
- ret = intel_early_me_uma_size();
+ ret = intel_early_me_uma_size(me_dev);
if (ret < 0)
return ret;
if (data) {
int rv;
int (*func)(struct pei_data *);
+ ulong start;
debug("Calling MRC at %p\n", data);
post_code(POST_PRE_MRC);
+ start = get_timer(0);
func = (int (*)(struct pei_data *))data;
rv = func(pei_data);
post_code(POST_MRC);
printf("Nonzero MRC return value.\n");
return -EFAULT;
}
+ debug("MRC execution time %lu ms\n", get_timer(start));
} else {
printf("UEFI PEI System Agent not found.\n");
return -ENOSYS;
* Send ME init done for SandyBridge here. This is done inside the
* SystemAgent binary on IvyBridge
*/
- done = x86_pci_read_config32(PCH_DEV, PCI_DEVICE_ID);
+ dm_pci_read_config16(dev, PCI_DEVICE_ID, &done);
done &= BASE_REV_MASK;
if (BASE_REV_SNB == done)
- intel_early_me_init_done(ME_INIT_STATUS_SUCCESS);
+ intel_early_me_init_done(dev, me_dev, ME_INIT_STATUS_SUCCESS);
else
- intel_early_me_status();
+ intel_early_me_status(me_dev);
post_system_agent_init(pei_data);
report_memory_config();
*
* This is a bit complicated since on x86 there are system memory holes all
* over the place. We create a list of available memory blocks
+ *
+ * @dev: Northbridge device
*/
-static int sdram_find(pci_dev_t dev)
+static int sdram_find(struct udevice *dev)
{
struct memory_info *info = &gd->arch.meminfo;
uint32_t tseg_base, uma_size, tolud;
uint64_t uma_memory_size;
unsigned long long tomk;
uint16_t ggc;
+ u32 val;
/* Total Memory 2GB example:
*
*/
/* Top of Upper Usable DRAM, including remap */
- touud = x86_pci_read_config32(dev, TOUUD+4);
- touud <<= 32;
- touud |= x86_pci_read_config32(dev, TOUUD);
+ dm_pci_read_config32(dev, TOUUD + 4, &val);
+ touud = (uint64_t)val << 32;
+ dm_pci_read_config32(dev, TOUUD, &val);
+ touud |= val;
/* Top of Lower Usable DRAM */
- tolud = x86_pci_read_config32(dev, TOLUD);
+ dm_pci_read_config32(dev, TOLUD, &tolud);
/* Top of Memory - does not account for any UMA */
- tom = x86_pci_read_config32(dev, 0xa4);
- tom <<= 32;
- tom |= x86_pci_read_config32(dev, 0xa0);
+ dm_pci_read_config32(dev, 0xa4, &val);
+ tom = (uint64_t)val << 32;
+ dm_pci_read_config32(dev, 0xa0, &val);
+ tom |= val;
debug("TOUUD %llx TOLUD %08x TOM %llx\n", touud, tolud, tom);
/* ME UMA needs excluding if total memory <4GB */
- me_base = x86_pci_read_config32(dev, 0x74);
- me_base <<= 32;
- me_base |= x86_pci_read_config32(dev, 0x70);
+ dm_pci_read_config32(dev, 0x74, &val);
+ me_base = (uint64_t)val << 32;
+ dm_pci_read_config32(dev, 0x70, &val);
+ me_base |= val;
debug("MEBASE %llx\n", me_base);
}
/* Graphics memory comes next */
- ggc = x86_pci_read_config16(dev, GGC);
+ dm_pci_read_config16(dev, GGC, &ggc);
if (!(ggc & 2)) {
debug("IGD decoded, subtracting ");
}
/* Calculate TSEG size from its base which must be below GTT */
- tseg_base = x86_pci_read_config32(dev, 0xb8);
+ dm_pci_read_config32(dev, 0xb8, &tseg_base);
uma_size = (uma_memory_base - tseg_base) >> 10;
tomk -= uma_size;
uma_memory_base = tomk * 1024ULL;
{ 0, 4, 0x0000 }, /* P13= Empty */
},
};
- pci_dev_t dev = PCI_BDF(0, 0, 0);
+ struct udevice *dev, *me_dev;
int ret;
+ ret = uclass_first_device(UCLASS_NORTHBRIDGE, &dev);
+ if (ret)
+ return ret;
+ if (!dev)
+ return -ENODEV;
+ ret = syscon_get_by_driver_data(X86_SYSCON_ME, &me_dev);
+ if (ret)
+ return ret;
debug("Boot mode %d\n", gd->arch.pei_boot_mode);
debug("mrc_input %p\n", pei_data.mrc_input);
pei_data.boot_mode = gd->arch.pei_boot_mode;
ret = copy_spd(&pei_data);
if (!ret)
- ret = sdram_initialise(&pei_data);
+ ret = sdram_initialise(dev, me_dev, &pei_data);
if (ret)
return ret;