On 02/05/2018 08:06 AM, tien.fong.c...@intel.com wrote:
> From: Tien Fong Chee <tien.fong.c...@intel.com>
>
> This is file system generic loader which can be used to load
> the file image from the storage into target such as memory.
> The consumer driver would then use this loader to program whatever,
> ie. the FPGA device.
>
> Signed-off-by: Tien Fong Chee <tien.fong.c...@intel.com>
> Reviewed-by: Lothar Waßmann <l...@karo-electronics.de>
[...]
> +#include <common.h>
> +#include <errno.h>
> +#include <fs.h>
> +#include <fs_loader.h>
> +#include <nand.h>
> +#include <sata.h>
> +#include <spi.h>
> +#include <spi_flash.h>
> +#ifdef CONFIG_SPL
Are the ifdefs needed ?
> +#include <spl.h>
> +#endif
> +#include <linux/string.h>
> +#ifdef CONFIG_CMD_UBIFS
> +#include <ubi_uboot.h>
> +#include <ubifs_uboot.h>
> +#endif
> +#include <usb.h>
> +
> +struct firmware_priv {
> + const char *name; /* Filename */
> + u32 offset; /* Offset of reading a file */
> +};
> +
> +static struct device_location default_locations[] = {
> + {
> + .name = "mmc",
> + .devpart = "0:1",
> + },
> + {
> + .name = "usb",
> + .devpart = "0:1",
> + },
> + {
> + .name = "sata",
> + .devpart = "0:1",
> + },
How can this load from UBI if it's not listed here ?
> +};
> +
> +/* USB build is not supported yet in SPL */
> +#ifndef CONFIG_SPL_BUILD
> +#ifdef CONFIG_USB_STORAGE
> +static int init_usb(void)
> +{
> + int err;
> +
> + err = usb_init();
> + if (err)
> + return err;
> +
> +#ifndef CONFIG_DM_USB
> + err = usb_stor_scan(1);
mode = 0 I think, we don't need this verbose output.
> + if (err)
> + return err;
> +#endif
> +
> + return err;
> +}
> +#else
> +static int init_usb(void)
> +{
> + debug("Error: Cannot load flash image: no USB support\n");
> + return -ENOSYS;
> +}
> +#endif
> +#endif
> +
> +#ifdef CONFIG_SATA
> +static int init_storage_sata(void)
> +{
> + return sata_probe(0);
Shouldn't the sata device number be pulled from devpart in
default_locations table ?
> +}
> +#else
> +static int init_storage_sata(void)
> +{
> + debug("Error: Cannot load image: no SATA support\n");
> + return -ENOSYS;
> +}
> +#endif
> +
> +#ifdef CONFIG_CMD_UBIFS
> +static int mount_ubifs(struct device_location *location)
> +{
> + int ret;
> + char cmd[32];
> +
> + if (ret = ubi_part(location->mtdpart, NULL)) {
> + debug("Cannot find mtd partition %s\n", location->mtdpart);
> + return ret;
> + }
> +
> + return cmd_ubifs_mount(location->ubivol);
> +}
> +
> +static int umount_ubifs(void)
> +{
> + return cmd_ubifs_umount();
> +}
> +#else
> +static int mount_ubifs(struct device_location *location)
> +{
> + debug("Error: Cannot load image: no UBIFS support\n");
> + return -ENOSYS;
> +}
> +#endif
> +
> +#if defined(CONFIG_SPL_MMC_SUPPORT) && defined(CONFIG_SPL_BUILD)
> +__weak int init_mmc(void)
> +{
> + /* Just for the case MMC is not yet initialized */
> + struct mmc *mmc = NULL;
> + int err;
> +
> +#ifdef CONFIG_SPL
> + spl_mmc_find_device(&mmc, spl_boot_device());
> +#else
> + debug("#define CONFIG_SPL is required or overrriding %s\n",
> + __func__);
This can be a compile-time error, maybe ?
> + return -ENOENT;
> +#endif
> +
> + err = mmc_init(mmc);
> + if (err) {
> + debug("spl: mmc init failed with error: %d\n", err);
> + return err;
> + }
> +
> + return err;
> +}
> +#else
> +__weak int init_mmc(void)
> +{
> + /* Expect somewhere already initialize MMC */
> + return 0;
> +}
> +#endif
[...]
--
Best regards,
Marek Vasut
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