romstage.c

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/* SPDX-License-Identifier: GPL-2.0-or-later */
 
#include <device/pci_ops.h>
#include <soc/lpc.h>
#include <soc/pci_devs.h>
#include <soc/romstage.h>
#include <superio/ite/common/ite.h>
#include <superio/ite/it8613e/it8613e.h>
 
#define SERIAL1_DEV PNP_DEV(0x2e, IT8613E_SP1)
 
void mainboard_after_memory_init(void)
{
        /*
         * FSP enables internal UART. Disable it and re-enable Super I/O UART to
         * prevent loss of debug information on serial.
         */
        pci_write_config32(PCI_DEV(0, LPC_DEV, 0), UART_CONT, (u32) 0);
        ite_enable_serial(SERIAL1_DEV, CONFIG_TTYS0_BASE);
}
 
void mainboard_memory_init_params(struct romstage_params *params,
                                  MEMORY_INIT_UPD *memory_params)
{
        /*
         * Set SPD and memory configuration:
         * Memory type: 0=DimmInstalled,
         *              1=SolderDownMemory,
         *              2=DimmDisabled
         */
        memory_params->PcdMemChannel0Config = 0;
        memory_params->PcdMemChannel1Config = 2;
}