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drivers: flash: add API to read JEDEC ID from compatible drivers

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Some flash drivers are capable of issuing a JESD216 READ_SFDP command
to read serial flash discoverable parameters.  Allow applications and
utilities access to API that reads the JEDEC ID from those devices.

Signed-off-by: Peter A. Bigot <pab@pabigot.com>
This commit is contained in:
Peter A. Bigot 2020-06-03 21:13:07 -05:00 • committed by Anas Nashif
commit 6a1a246825
2 changed files with 36 additions and 0 deletions
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9
drivers/flash/flash_handlers.c
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@ -85,4 +85,13 @@ static inline int z_vrfy_flash_sfdp_read(struct device *dev, off_t offset,
}
#include <syscalls/flash_sfdp_read.c>
static inline int z_vrfy_flash_read_jedec_id(struct device *dev,
uint8_t *id)
{
Z_OOPS(Z_SYSCALL_DRIVER_FLASH(dev, read_jedec_id));
Z_OOPS(Z_SYSCALL_MEMORY_WRITE(id, 3));
return z_impl_flash_read_jedec_id(dev, id);
}
#include <syscalls/flash_sfdp_jedec_id.c>
#endif /* CONFIG_FLASH_JESD216_API */