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mtd: spinand: Sync core code and device support with Linux 6.10

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This makes the U-Boot SPI NAND driver almost the same as in Linux 6.10.
The only major difference is support of ECC engines. The Linux driver
supports different ECC engines while U-Boot uses on-die ECC only.

Signed-off-by: Mikhail Kshevetskiy <mikhail.kshevetskiy@iopsys.eu>
Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
This commit is contained in:
Mikhail Kshevetskiy
2025-10-05 20:26:03 +02:00
committed by Michael Trimarchi
parent e644bb73da
commit 2a0f8e7da0
13 changed files with 619 additions and 59 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/linux/mtd/nand.h
+23
View File
@@ -370,6 +370,29 @@ nanddev_get_memorg(struct nand_device *nand)
return &nand->memorg;
}
/**
* nanddev_get_ecc_conf() - Extract the ECC configuration from a NAND device
* @nand: NAND device
*/
static inline const struct nand_ecc_req *
nanddev_get_ecc_conf(struct nand_device *nand)
{
return &nand->eccreq;
}
/**
* nanddev_set_ecc_requirements() - Assign the ECC requirements of a NAND
* device
* @nand: NAND device
* @reqs: Requirements
*/
static inline void
nanddev_set_ecc_requirements(struct nand_device *nand,
const struct nand_ecc_req *reqs)
{
nand->eccreq = *reqs;
}
int nanddev_init(struct nand_device *nand, const struct nand_ops *ops,
struct module *owner);
void nanddev_cleanup(struct nand_device *nand);
include/linux/mtd/spinand.h
+9 -1
View File
@@ -266,13 +266,16 @@ struct spinand_manufacturer {
};
/* SPI NAND manufacturers */
extern const struct spinand_manufacturer alliancememory_spinand_manufacturer;
extern const struct spinand_manufacturer ato_spinand_manufacturer;
extern const struct spinand_manufacturer esmt_c8_spinand_manufacturer;
extern const struct spinand_manufacturer foresee_spinand_manufacturer;
extern const struct spinand_manufacturer gigadevice_spinand_manufacturer;
extern const struct spinand_manufacturer macronix_spinand_manufacturer;
extern const struct spinand_manufacturer micron_spinand_manufacturer;
extern const struct spinand_manufacturer paragon_spinand_manufacturer;
extern const struct spinand_manufacturer toshiba_spinand_manufacturer;
extern const struct spinand_manufacturer winbond_spinand_manufacturer;
extern const struct spinand_manufacturer esmt_c8_spinand_manufacturer;
extern const struct spinand_manufacturer xtx_spinand_manufacturer;
/**
@@ -388,6 +391,8 @@ struct spinand_info {
struct spinand_dirmap {
struct spi_mem_dirmap_desc *wdesc;
struct spi_mem_dirmap_desc *rdesc;
struct spi_mem_dirmap_desc *wdesc_ecc;
struct spi_mem_dirmap_desc *rdesc_ecc;
};
/**
@@ -415,6 +420,8 @@ struct spinand_dirmap {
* the stack
* @manufacturer: SPI NAND manufacturer information
* @priv: manufacturer private data
* @last_wait_status: status of the last wait operation that will be used in case
* ->get_status() is not populated by the spinand device.
*/
struct spinand_device {
struct nand_device base;
@@ -447,6 +454,7 @@ struct spinand_device {
u8 *scratchbuf;
const struct spinand_manufacturer *manufacturer;
void *priv;
u8 last_wait_status;
};
/**