From: Yoshio Furuyama <ytc-mb-yfuruya...@kioxia.com>

Add support for new Kioxia products.
The new Kioxia products support program load x4 command, and have
HOLD_D bit which is equivalent to QE bit.

Signed-off-by: Yoshio Furuyama <ytc-mb-yfuruya...@kioxia.com>
Reviewed-by: Frieder Schrempf <frieder.schre...@kontron.de>
Signed-off-by: Miquel Raynal <miquel.ray...@bootlin.com>
Link: 
https://lore.kernel.org/linux-mtd/aa69e455beedc5ce0d7141359b9364ed8aec9e65.1584949601.git.ytc-mb-yfuruya...@kioxia.com
Signed-off-by: Robert Marko <robert.ma...@sartura.hr>
Cc: Luka Perkov <luka.per...@sartura.hr>
---
 drivers/mtd/nand/spi/toshiba.c | 119 ++++++++++++++++++++++++++++-----
 1 file changed, 103 insertions(+), 16 deletions(-)

diff --git a/drivers/mtd/nand/spi/toshiba.c b/drivers/mtd/nand/spi/toshiba.c
index 372d1073f3..165b1deac2 100644
--- a/drivers/mtd/nand/spi/toshiba.c
+++ b/drivers/mtd/nand/spi/toshiba.c
@@ -22,6 +22,18 @@ static SPINAND_OP_VARIANTS(read_cache_variants,
                SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0),
                SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0));
 
+static SPINAND_OP_VARIANTS(write_cache_x4_variants,
+               SPINAND_PROG_LOAD_X4(true, 0, NULL, 0),
+               SPINAND_PROG_LOAD(true, 0, NULL, 0));
+
+static SPINAND_OP_VARIANTS(update_cache_x4_variants,
+               SPINAND_PROG_LOAD_X4(false, 0, NULL, 0),
+               SPINAND_PROG_LOAD(false, 0, NULL, 0));
+
+/**
+ * Backward compatibility for 1st generation Serial NAND devices
+ * which don't support Quad Program Load operation.
+ */
 static SPINAND_OP_VARIANTS(write_cache_variants,
                SPINAND_PROG_LOAD(true, 0, NULL, 0));
 
@@ -97,7 +109,7 @@ static int tx58cxgxsxraix_ecc_get_status(struct 
spinand_device *spinand,
 }
 
 static const struct spinand_info toshiba_spinand_table[] = {
-       /* 3.3V 1Gb */
+       /* 3.3V 1Gb (1st generation) */
        SPINAND_INFO("TC58CVG0S3HRAIG", 0xC2,
                     NAND_MEMORG(1, 2048, 128, 64, 1024, 1, 1, 1),
                     NAND_ECCREQ(8, 512),
@@ -107,7 +119,7 @@ static const struct spinand_info toshiba_spinand_table[] = {
                     0,
                     SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
                                     tx58cxgxsxraix_ecc_get_status)),
-       /* 3.3V 2Gb */
+       /* 3.3V 2Gb (1st generation) */
        SPINAND_INFO("TC58CVG1S3HRAIG", 0xCB,
                     NAND_MEMORG(1, 2048, 128, 64, 2048, 1, 1, 1),
                     NAND_ECCREQ(8, 512),
@@ -117,7 +129,7 @@ static const struct spinand_info toshiba_spinand_table[] = {
                     0,
                     SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
                                     tx58cxgxsxraix_ecc_get_status)),
-       /* 3.3V 4Gb */
+       /* 3.3V 4Gb (1st generation) */
        SPINAND_INFO("TC58CVG2S0HRAIG", 0xCD,
                     NAND_MEMORG(1, 4096, 256, 64, 2048, 1, 1, 1),
                     NAND_ECCREQ(8, 512),
@@ -127,17 +139,7 @@ static const struct spinand_info toshiba_spinand_table[] = 
{
                     0,
                     SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
                                     tx58cxgxsxraix_ecc_get_status)),
-       /* 3.3V 4Gb */
-       SPINAND_INFO("TC58CVG2S0HRAIJ", 0xED,
-                    NAND_MEMORG(1, 4096, 256, 64, 2048, 1, 1, 1),
-                    NAND_ECCREQ(8, 512),
-                    SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
-                                             &write_cache_variants,
-                                             &update_cache_variants),
-                    0,
-                    SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
-                                    tx58cxgxsxraix_ecc_get_status)),
-       /* 1.8V 1Gb */
+       /* 1.8V 1Gb (1st generation) */
        SPINAND_INFO("TC58CYG0S3HRAIG", 0xB2,
                     NAND_MEMORG(1, 2048, 128, 64, 1024, 1, 1, 1),
                     NAND_ECCREQ(8, 512),
@@ -147,7 +149,7 @@ static const struct spinand_info toshiba_spinand_table[] = {
                     0,
                     SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
                                     tx58cxgxsxraix_ecc_get_status)),
-       /* 1.8V 2Gb */
+       /* 1.8V 2Gb (1st generation) */
        SPINAND_INFO("TC58CYG1S3HRAIG", 0xBB,
                     NAND_MEMORG(1, 2048, 128, 64, 2048, 1, 1, 1),
                     NAND_ECCREQ(8, 512),
@@ -157,7 +159,7 @@ static const struct spinand_info toshiba_spinand_table[] = {
                     0,
                     SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
                                     tx58cxgxsxraix_ecc_get_status)),
-       /* 1.8V 4Gb */
+       /* 1.8V 4Gb (1st generation) */
        SPINAND_INFO("TC58CYG2S0HRAIG", 0xBD,
                     NAND_MEMORG(1, 4096, 256, 64, 2048, 1, 1, 1),
                     NAND_ECCREQ(8, 512),
@@ -167,6 +169,91 @@ static const struct spinand_info toshiba_spinand_table[] = 
{
                     0,
                     SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
                                     tx58cxgxsxraix_ecc_get_status)),
+
+       /*
+        * 2nd generation serial nand has HOLD_D which is equivalent to
+        * QE_BIT.
+        */
+       /* 3.3V 1Gb (2nd generation) */
+       SPINAND_INFO("TC58CVG0S3HRAIJ", 0xE2,
+                    NAND_MEMORG(1, 2048, 128, 64, 1024, 1, 1, 1),
+                    NAND_ECCREQ(8, 512),
+                    SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+                                             &write_cache_x4_variants,
+                                             &update_cache_x4_variants),
+                    SPINAND_HAS_QE_BIT,
+                    SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
+                                    tx58cxgxsxraix_ecc_get_status)),
+       /* 3.3V 2Gb (2nd generation) */
+       SPINAND_INFO("TC58CVG1S3HRAIJ", 0xEB,
+                    NAND_MEMORG(1, 2048, 128, 64, 2048, 1, 1, 1),
+                    NAND_ECCREQ(8, 512),
+                    SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+                                             &write_cache_x4_variants,
+                                             &update_cache_x4_variants),
+                    SPINAND_HAS_QE_BIT,
+                    SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
+                                    tx58cxgxsxraix_ecc_get_status)),
+       /* 3.3V 4Gb (2nd generation) */
+       SPINAND_INFO("TC58CVG2S0HRAIJ", 0xED,
+                    NAND_MEMORG(1, 4096, 256, 64, 2048, 1, 1, 1),
+                    NAND_ECCREQ(8, 512),
+                    SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+                                             &write_cache_x4_variants,
+                                             &update_cache_x4_variants),
+                    SPINAND_HAS_QE_BIT,
+                    SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
+                                    tx58cxgxsxraix_ecc_get_status)),
+       /* 3.3V 8Gb (2nd generation) */
+       SPINAND_INFO("TH58CVG3S0HRAIJ", 0xE4,
+                    NAND_MEMORG(1, 4096, 256, 64, 4096, 1, 1, 1),
+                    NAND_ECCREQ(8, 512),
+                    SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+                                             &write_cache_x4_variants,
+                                             &update_cache_x4_variants),
+                    SPINAND_HAS_QE_BIT,
+                    SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
+                                    tx58cxgxsxraix_ecc_get_status)),
+       /* 1.8V 1Gb (2nd generation) */
+       SPINAND_INFO("TC58CYG0S3HRAIJ", 0xD2,
+                    NAND_MEMORG(1, 2048, 128, 64, 1024, 1, 1, 1),
+                    NAND_ECCREQ(8, 512),
+                    SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+                                             &write_cache_x4_variants,
+                                             &update_cache_x4_variants),
+                    SPINAND_HAS_QE_BIT,
+                    SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
+                                    tx58cxgxsxraix_ecc_get_status)),
+       /* 1.8V 2Gb (2nd generation) */
+       SPINAND_INFO("TC58CYG1S3HRAIJ", 0xDB,
+                    NAND_MEMORG(1, 2048, 128, 64, 2048, 1, 1, 1),
+                    NAND_ECCREQ(8, 512),
+                    SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+                                             &write_cache_x4_variants,
+                                             &update_cache_x4_variants),
+                    SPINAND_HAS_QE_BIT,
+                    SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
+                                    tx58cxgxsxraix_ecc_get_status)),
+       /* 1.8V 4Gb (2nd generation) */
+       SPINAND_INFO("TC58CYG2S0HRAIJ", 0xDD,
+                    NAND_MEMORG(1, 4096, 256, 64, 2048, 1, 1, 1),
+                    NAND_ECCREQ(8, 512),
+                    SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+                                             &write_cache_x4_variants,
+                                             &update_cache_x4_variants),
+                    SPINAND_HAS_QE_BIT,
+                    SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
+                                    tx58cxgxsxraix_ecc_get_status)),
+       /* 1.8V 8Gb (2nd generation) */
+       SPINAND_INFO("TH58CYG3S0HRAIJ", 0xD4,
+                    NAND_MEMORG(1, 4096, 256, 64, 4096, 1, 1, 1),
+                    NAND_ECCREQ(8, 512),
+                    SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+                                             &write_cache_x4_variants,
+                                             &update_cache_x4_variants),
+                    SPINAND_HAS_QE_BIT,
+                    SPINAND_ECCINFO(&tx58cxgxsxraix_ooblayout,
+                                    tx58cxgxsxraix_ecc_get_status)),
 };
 
 static int toshiba_spinand_detect(struct spinand_device *spinand)
-- 
2.26.2

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