uboot-mediatek: additions from MTK SDK

 * updated SNAND/SNFI driver brings support for MT7981
 * add support for MediaTek NAND Memory bad Block Management (NMBM)
   (not used for any boards atm, but could be useful in future)
 * wire up NMBM support for MT7622, MT7629, MT7981 and MT7986
 * replace some local patches with updated version from SDK
 * bring some legacy precompiler symbols which haven't been converted
   into Kconfig symbols in U-Boot 2022.07, remove when bumbping to
   U-Boot 2022.10:
   100-28-include-configs-mt7986-h-from-SDK.patch

Source: https://github.com/mtk-openwrt/u-boot
Signed-off-by: Daniel Golle <daniel@makrotopia.org>

1 files changed, 80 insertions, 0 deletions

diff --git a/package/boot/uboot-mediatek/patches/100-10-cmd-mtd-add-markbad-subcommand-for-NMBM-testing.patch b/package/boot/uboot-mediatek/patches/100-10-cmd-mtd-add-markbad-subcommand-for-NMBM-testing.patch
new file mode 100644
index 0000000000..6e38ec4ac9
--- /dev/null
+++ b/package/boot/uboot-mediatek/patches/100-10-cmd-mtd-add-markbad-subcommand-for-NMBM-testing.patch
@@ -0,0 +1,80 @@
+From 6dbbc8affb6ab22f940d13d0e928d5e881127ca4 Mon Sep 17 00:00:00 2001
+From: Weijie Gao <weijie.gao@mediatek.com>
+Date: Mon, 25 Jul 2022 11:22:57 +0800
+Subject: [PATCH 44/71] cmd: mtd: add markbad subcommand for NMBM testing
+
+This patch adds:
+* Mark bad block on lower mtd device and erase on upper mtd
+device, which will trigger remapping:
+$ mtd markbad spi-nand0 0x20000 (mark block1 as bad)
+$ mtd erase nmbm0 0x20000 0x20000 (let nmbm detect the bad block and remap it)
+
+* Clear bad block mark through:
+$ mtd erase.dontskipbad spi-nand0 0x20000 0x20000
+(After cleaning bad block mark, we need to rebuild nmbm manage table.)
+
+Signed-off-by: SkyLake.Huang <skylake.huang@mediatek.com>
+---
+ cmd/mtd.c | 39 +++++++++++++++++++++++++++++++++++++++
+ 1 file changed, 39 insertions(+)
+
+--- a/cmd/mtd.c
++++ b/cmd/mtd.c
+@@ -492,6 +492,42 @@ out_put_mtd:
+ 	return CMD_RET_SUCCESS;
+ }
+ 
++static int do_mtd_markbad(struct cmd_tbl *cmdtp, int flag, int argc,
++			  char * const argv[])
++{
++	struct mtd_info *mtd;
++	loff_t off;
++	int ret;
++
++	if (argc < 3)
++		return CMD_RET_USAGE;
++
++	mtd = get_mtd_by_name(argv[1]);
++	if (IS_ERR(mtd) || !mtd)
++		return CMD_RET_FAILURE;
++
++	if (!mtd_can_have_bb(mtd)) {
++		printf("Only NAND-based devices can have mark blocks\n");
++		goto out_put_mtd;
++	}
++
++	off = simple_strtoull(argv[2], NULL, 0);
++
++	ret = mtd_block_markbad(mtd, off);
++	if (!ret) {
++		printf("MTD device %s block at 0x%08llx marked bad\n",
++		       mtd->name, off);
++	} else {
++		printf("MTD device %s block at 0x%08llx mark bad failed\n",
++		       mtd->name, off);
++	}
++
++out_put_mtd:
++	put_mtd_device(mtd);
++
++	return CMD_RET_SUCCESS;
++}
++
+ #ifdef CONFIG_AUTO_COMPLETE
+ static int mtd_name_complete(int argc, char *const argv[], char last_char,
+ 			     int maxv, char *cmdv[])
+@@ -540,6 +576,7 @@ static char mtd_help_text[] =
+ 	"\n"
+ 	"Specific functions:\n"
+ 	"mtd bad                               <name>\n"
++	"mtd markbad                           <name> <off>\n"
+ 	"\n"
+ 	"With:\n"
+ 	"\t<name>: NAND partition/chip name (or corresponding DM device name or OF path)\n"
+@@ -565,4 +602,6 @@ U_BOOT_CMD_WITH_SUBCMDS(mtd, "MTD utils"
+ 		U_BOOT_SUBCMD_MKENT_COMPLETE(erase, 4, 0, do_mtd_erase,
+ 					     mtd_name_complete),
+ 		U_BOOT_SUBCMD_MKENT_COMPLETE(bad, 2, 1, do_mtd_bad,
++					     mtd_name_complete),
++		U_BOOT_SUBCMD_MKENT_COMPLETE(markbad, 3, 1, do_mtd_markbad,
+ 					     mtd_name_complete));