/* SPDX-License-Identifier: GPL-2.0-only */ #include <device/pci_ops.h> #include <console/console.h> #include <northbridge/intel/sandybridge/raminit.h> #include <southbridge/intel/bd82x6x/pch.h> #include <southbridge/intel/common/gpio.h> #include "ec.h" void mainboard_pch_lpc_setup(void) { /* Memory map KB9012 EC registers */ pci_write_config32( PCH_LPC_DEV, LGMR, CONFIG_EC_BASE_ADDRESS | 1); pci_write_config16(PCH_LPC_DEV, BIOS_DEC_EN1, 0xffc0); /* Enable external USB port power. */ if (CONFIG(USBDEBUG)) ec_mm_set_bit(0x3b, 4); } static const char *mainboard_spd_names[9] = { "ELPIDA 4GB", "SAMSUNG 4GB", "HYNIX 4GB", "ELPIDA 8GB", "SAMSUNG 8GB", "HYNIX 8GB", "ELPIDA 2GB", "SAMSUNG 2GB", "HYNIX 2GB", }; static unsigned int get_spd_index(void) { const int spd_gpios[] = {71, 70, 16, 48, -1}; unsigned int spd_index = get_gpios(spd_gpios); if (spd_index >= ARRAY_SIZE(mainboard_spd_names)) { /* Fallback to pessimistic 2GB image (ELPIDA 2GB) */ spd_index = 6; } return spd_index; } void mb_get_spd_map(struct spd_info *spdi) { unsigned int spd_index = get_spd_index(); printk(BIOS_INFO, "SPD index %d (%s)\n", spd_index, mainboard_spd_names[spd_index]); /* C0S0 is a soldered RAM with no real SPD. Use stored SPD. */ spdi->addresses[0] = SPD_MEMORY_DOWN; spdi->spd_index = spd_index; }