diff options
Diffstat (limited to 'drivers/nxp/qspi/qspi.c')
-rw-r--r-- | drivers/nxp/qspi/qspi.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/nxp/qspi/qspi.c b/drivers/nxp/qspi/qspi.c new file mode 100644 index 0000000..97b2a19 --- /dev/null +++ b/drivers/nxp/qspi/qspi.c @@ -0,0 +1,29 @@ +/* + * Copyright 2021 NXP + * + * SPDX-License-Identifier: BSD-3-Clause + * + */ + +#include <assert.h> + +#include <common/debug.h> +#include <lib/mmio.h> +#include <lib/xlat_tables/xlat_tables_v2.h> +#include <qspi.h> + +int qspi_io_setup(uintptr_t nxp_qspi_flash_addr, + size_t nxp_qspi_flash_size, + uintptr_t fip_offset) +{ + uint32_t qspi_mcr_val = qspi_in32(CHS_QSPI_MCR); + + /* Enable and change endianness of QSPI IP */ + qspi_out32(CHS_QSPI_MCR, (qspi_mcr_val | CHS_QSPI_64LE)); + + /* Adding QSPI Memory Map in XLAT Table */ + mmap_add_region(nxp_qspi_flash_addr, nxp_qspi_flash_addr, + nxp_qspi_flash_size, MT_MEMORY | MT_RW); + + return 0; +} |