board_storage.cpp

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/**
 * @file boards/subaru_eg33/board_storage.h
 *
 * @brief Storage configuration file
 *
 * @date Nov 03, 2023
 * @author Andrey Gusakov, 2023
 */
 
#include "pch.h"
 
/* This board stores settings in external QSPI flash */
#if !defined(EFI_BOOTLOADER) && (EFI_STORAGE_MFS == TRUE)
 
#include "hal_serial_nor.h"
#include "hal_mfs.h"
 
/* Some fields in following struct are used for DMA transfers, so do not cache */
/* TODO: can we drop NO_CACHE for snor1 since snor1buf? */
static NO_CACHE SNORDriver snor1;
static NO_CACHE snor_nocache_buffer_t snor1buf;
 
const WSPIConfig WSPIcfg1 = {
    .end_cb         = NULL,
    .error_cb       = NULL,
    .dcr            = STM32_DCR_FSIZE(23U) |    /* 8MB device.          */
                      STM32_DCR_CSHT(1U)        /* NCS 2 cycles delay.  */
};
 
const SNORConfig snorcfg1 = {
    .busp           = &WSPID1,
    .buscfg         = &WSPIcfg1
};
 
const MFSConfig mfsd_nor_config = {
    .flashp         = (BaseFlash *)&snor1,
    .erased         = 0xFFFFFFFFU,
    .bank_size      = 64 * 1024U,
    .bank0_start    = 0U,
    .bank0_sectors  = 128U, /* 128 * 4 K = 0.5 Mb */
    .bank1_start    = 128U,
    .bank1_sectors  = 128U
};
 
bool boardInitMfs()
{
#if SNOR_SHARED_BUS == FALSE
    wspiStart(&WSPID1, &WSPIcfg1);
#endif
    /* Initializing and starting snor1 driver.*/
    snorObjectInit(&snor1, &snor1buf);
    snorStart(&snor1, &snorcfg1);
 
    return true;
}
 
const MFSConfig *boardGetMfsConfig()
{
    return &mfsd_nor_config;
}
 
#endif /* EFI_STORAGE_MFS == TRUE */