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// SPDX-License-Identifier: GPL-2.0
#include <common.h>
#include <linux/sizes.h>
#include <mach/imx/atf.h>
#include <mach/imx/imx8m-regs.h>
#include <mach/imx/xload.h>
#define IMX8M_QSPI_MMAP 0x8000000
/* Make use of AHB reads */
static
int imx8m_qspi_read(void *dest, size_t len, void *priv)
{
void __iomem *qspi_ahb = priv;
memcpy(dest, qspi_ahb, len);
return 0;
}
/**
* imx8mm_qspi_start_image - Load and optionally start an image from the
* FlexSPI controller.
* @instance: The FlexSPI controller instance
* @start: Whether to directly start the loaded image
*
* This uses imx8m_qspi_load_image() to load an image from QSPI. It is assumed
* that the image is the currently running barebox image (This information
* is used to calculate the length of the image).
* The image is started afterwards.
*
* Return: If successful, this function does not return (if directly started)
* or 0. A negative error code is returned when this function fails.
*/
static
int imx8m_qspi_load_image(int instance, bool start, off_t offset, off_t ivt_offset)
{
void __iomem *qspi_ahb = IOMEM(IMX8M_QSPI_MMAP);
return imx_load_image(MX8M_DDR_CSD1_BASE_ADDR, MX8M_ATF_BL33_BASE_ADDR,
offset, ivt_offset, start, 0,
imx8m_qspi_read, qspi_ahb);
}
int imx8mm_qspi_load_image(int instance, bool start)
{
return imx8m_qspi_load_image(instance, start, 0, SZ_4K);
}
int imx8mn_qspi_load_image(int instance, bool start)
{
return imx8m_qspi_load_image(instance, start, SZ_4K, 0);
}
int imx8mp_qspi_load_image(int instance, bool start)
__alias(imx8mn_qspi_load_image);
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