static int get_board_id_via_ext_ec(void)
{
uint32_t id = BOARD_ID_INIT;
if (google_chromeec_get_board_version(&id))
id = BOARD_ID_UNKNOWN;
return id;
}
uint8_t board_id(void)
{
MAYBE_STATIC int id = -1;
#if IS_ENABLED(CONFIG_EC_GOOGLE_CHROMEEC)
if (id < 0)
id = google_chromeec_get_board_version();
#endif
return id;
}
static void mainboard_init(device_t dev)
{
/* Initialize the Embedded Controller */
link_ec_init();
if (google_chromeec_get_board_version() == 0) {
/* If running on proto1 - enable reversion of gpio11. */
u32 gpio_inv;
u16 gpio_base = pci_read_config16
(dev_find_slot(0, PCI_DEVFN(0x1f, 0)), GPIO_BASE) &
0xfffc;
u16 gpio_inv_addr = gpio_base + GPI_INV;
gpio_inv = inl(gpio_inv_addr);
outl(gpio_inv | (1 << 11), gpio_inv_addr);
}
}
/* Copy SPD data for on-board memory */
static void copy_spd(struct pei_data *peid)
{
const int gpio_vector[] = {13, 9, 47, -1};
int spd_index = get_gpios(gpio_vector);
char *spd_file;
size_t spd_file_len;
printk(BIOS_DEBUG, "SPD index %d\n", spd_index);
spd_file = cbfs_get_file_content(CBFS_DEFAULT_MEDIA, "spd.bin", 0xab,
&spd_file_len);
if (!spd_file)
die("SPD data not found.");
switch (google_chromeec_get_board_version()) {
case PEPPY_BOARD_VERSION_PROTO:
/* Index 0 is 2GB config with CH0 only. */
if (spd_index == 0)
peid->dimm_channel1_disabled = 3;
break;
case PEPPY_BOARD_VERSION_EVT:
default:
/* Index 0-2 are 4GB config with both CH0 and CH1.
* Index 4-6 are 2GB config with CH0 only. */
if (spd_index > 3)
peid->dimm_channel1_disabled = 3;
break;
}
if (spd_file_len <
((spd_index + 1) * sizeof(peid->spd_data[0]))) {
printk(BIOS_ERR, "SPD index override to 0 - old hardware?\n");
spd_index = 0;
}
if (spd_file_len < sizeof(peid->spd_data[0]))
die("Missing SPD data.");
memcpy(peid->spd_data[0],
spd_file +
spd_index * sizeof(peid->spd_data[0]),
sizeof(peid->spd_data[0]));
}
uint8_t __attribute__((weak)) variant_board_id(void)
{
return google_chromeec_get_board_version();
}