uboot-mediatek: sync mtk-snand driver with SDK

Sync SPI-NAND/ECC controller driver for MT7622, MT7981, MT7986 and MT7988:
 * Platform data for MT7981 was actually missing and is now added.
 * Add support for Winbond W25N01KV 1Gbit chip.

Signed-off-by: Daniel Golle <[email protected]>

package/boot/uboot-mediatek/patches/100-02-drivers-mtd-add-support-for-MediaTek-SPI-NAND-flash-.patch

@@ -17,14 +17,14 @@ Signed-off-by: Weijie Gao <[email protected]>
  drivers/mtd/mtk-snand/Kconfig         |   21 +
  drivers/mtd/mtk-snand/Makefile        |   11 +
  drivers/mtd/mtk-snand/mtk-snand-def.h |  271 ++++
- drivers/mtd/mtk-snand/mtk-snand-ecc.c |  395 +++++
- drivers/mtd/mtk-snand/mtk-snand-ids.c |  511 +++++++
+ drivers/mtd/mtk-snand/mtk-snand-ecc.c |  411 ++++++
+ drivers/mtd/mtk-snand/mtk-snand-ids.c |  515 +++++++
  drivers/mtd/mtk-snand/mtk-snand-mtd.c |  535 +++++++
  drivers/mtd/mtk-snand/mtk-snand-os.c  |   39 +
  drivers/mtd/mtk-snand/mtk-snand-os.h  |  120 ++
  drivers/mtd/mtk-snand/mtk-snand.c     | 1933 +++++++++++++++++++++++++
  drivers/mtd/mtk-snand/mtk-snand.h     |   77 +
- 12 files changed, 3917 insertions(+)
+ 12 files changed, 3937 insertions(+)
  create mode 100644 drivers/mtd/mtk-snand/Kconfig
  create mode 100644 drivers/mtd/mtk-snand/Makefile
  create mode 100644 drivers/mtd/mtk-snand/mtk-snand-def.h
@@ -369,7 +369,7 @@ Signed-off-by: Weijie Gao <[email protected]>
 +#endif /* _MTK_SNAND_DEF_H_ */
 --- /dev/null
 +++ b/drivers/mtd/mtk-snand/mtk-snand-ecc.c
-@@ -0,0 +1,395 @@
+@@ -0,0 +1,411 @@
 +// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 +/*
 + * Copyright (C) 2020 MediaTek Inc. All Rights Reserved.
@@ -418,6 +418,10 @@ Signed-off-by: Weijie Gao <[email protected]>
 +
 +static const uint8_t mt7622_ecc_caps[] = { 4, 6, 8, 10, 12 };
 +
++static const uint8_t mt7981_ecc_caps[] = {
++	4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24
++};
++
 +static const uint8_t mt7986_ecc_caps[] = {
 +	4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24
 +};
@@ -426,6 +430,10 @@ Signed-off-by: Weijie Gao <[email protected]>
 +	[ECC_DECDONE] = 0x11c,
 +};
 +
++static const uint32_t mt7981_ecc_regs[] = {
++	[ECC_DECDONE] = 0x124,
++};
++
 +static const uint32_t mt7986_ecc_regs[] = {
 +	[ECC_DECDONE] = 0x124,
 +};
@@ -447,6 +455,14 @@ Signed-off-by: Weijie Gao <[email protected]>
 +		.errnum_bits = 5,
 +		.errnum_shift = 5,
 +	},
++	[SNAND_SOC_MT7981] = {
++		.ecc_caps = mt7981_ecc_caps,
++		.num_ecc_cap = ARRAY_SIZE(mt7981_ecc_caps),
++		.regs = mt7981_ecc_regs,
++		.mode_shift = 5,
++		.errnum_bits = 5,
++		.errnum_shift = 8,
++	},
 +	[SNAND_SOC_MT7986] = {
 +		.ecc_caps = mt7986_ecc_caps,
 +		.num_ecc_cap = ARRAY_SIZE(mt7986_ecc_caps),
@@ -767,7 +783,7 @@ Signed-off-by: Weijie Gao <[email protected]>
 +}
 --- /dev/null
 +++ b/drivers/mtd/mtk-snand/mtk-snand-ids.c
-@@ -0,0 +1,511 @@
+@@ -0,0 +1,515 @@
 +// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 +/*
 + * Copyright (C) 2020 MediaTek Inc. All Rights Reserved.
@@ -860,6 +876,10 @@ Signed-off-by: Weijie Gao <[email protected]>
 +		   &snand_cap_read_from_cache_quad,
 +		   &snand_cap_program_load_x4,
 +		   mtk_snand_winbond_select_die),
++	SNAND_INFO("W25N01KV", SNAND_ID(SNAND_ID_DYMMY, 0xef, 0xae, 0x21),
++		   SNAND_MEMORG_1G_2K_64,
++		   &snand_cap_read_from_cache_quad,
++		   &snand_cap_program_load_x4),
 +	SNAND_INFO("W25N02KV", SNAND_ID(SNAND_ID_DYMMY, 0xef, 0xaa, 0x22),
 +		   SNAND_MEMORG_2G_2K_128,
 +		   &snand_cap_read_from_cache_quad,
@@ -903,7 +923,7 @@ Signed-off-by: Weijie Gao <[email protected]>
 +		   &snand_cap_program_load_x4),
 +	SNAND_INFO("GD5F2GQ5UExxG", SNAND_ID(SNAND_ID_DYMMY, 0xc8, 0x52),
 +		   SNAND_MEMORG_2G_2K_128,
-+		   &snand_cap_read_from_cache_quad_q2d,
++		   &snand_cap_read_from_cache_quad_a8d,
 +		   &snand_cap_program_load_x4),
 +	SNAND_INFO("GD5F4GQ4UCxIG", SNAND_ID(SNAND_ID_DYMMY, 0xc8, 0xb4),
 +		   SNAND_MEMORG_4G_4K_256,