openwrtv3/target/linux/ramips/patches-4.14/0040-nand-hack.patch

--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -1903,6 +1903,9 @@ static int nand_do_read_ops(struct mtd_i
 						 __func__, buf);
 
 read_retry:
+#ifdef CONFIG_MTK_MTD_NAND
+			ret = chip->read_page(mtd, chip, bufpoi, page);
+#else
 			if (nand_standard_page_accessors(&chip->ecc))
 				chip->cmdfunc(mtd, NAND_CMD_READ0, 0x00, page);
 
@@ -1922,6 +1925,7 @@ read_retry:
 			else
 				ret = chip->ecc.read_page(mtd, chip, bufpoi,
 							  oob_required, page);
+#endif
 			if (ret < 0) {
 				if (use_bufpoi)
 					/* Invalidate page cache */
@@ -3079,8 +3083,11 @@ int nand_erase_nand(struct mtd_info *mtd
 		    (page + pages_per_block))
 			chip->pagebuf = -1;
 
+#ifdef CONFIG_MTK_MTD_NAND
+		status = chip->erase_mtk(mtd, page & chip->pagemask);
+#else
 		status = chip->erase(mtd, page & chip->pagemask);
-
+#endif
 		/* See if block erase succeeded */
 		if (status & NAND_STATUS_FAIL) {
 			pr_debug("%s: failed erase, page 0x%08x\n",
@@ -4210,6 +4217,7 @@ int nand_scan_ident(struct mtd_info *mtd
 		 * cmdfunc() both expect cmd_ctrl() to be populated,
 		 * so we need to check that that's the case
 		 */
+		printk("%s:%s[%d]%p %p %p\n", __FILE__, __func__, __LINE__, chip->cmdfunc, chip->select_chip, chip->cmd_ctrl);
 		pr_err("chip.cmd_ctrl() callback is not provided");
 		return -EINVAL;
 	}
--- a/drivers/mtd/nand/nand_device_list.h
+++ b/drivers/mtd/nand/nand_device_list.h
@@ -44,6 +44,8 @@ static const flashdev_info gen_FlashTabl
 	{0xADBC, 0x905554, 5, 16, 512, 128, 2048, 64, 0x10801011, "H9DA4GH4JJAMC", 0},
     {0x01F1, 0x801D01, 4, 8, 128, 128, 2048, 64, 0x30C77fff, "S34ML01G100TF", 0},
     {0x92F1, 0x8095FF, 4, 8, 128, 128, 2048, 64, 0x30C77fff, "F59L1G81A", 0},
+	{0xC8DA, 0x909544, 5, 8, 256, 128, 2048, 64, 0x30C77fff, "F59L2G81A", 0},
+	{0xC8DC, 0x909554, 5, 8, 512, 128, 2048, 64, 0x30C77fff, "F59L4G81A", 0},
 	{0xECD3, 0x519558, 5, 8, 1024, 128, 2048, 64, 0x44333, "K9K8G8000", 0},
     {0xC2F1, 0x801DC2, 4, 8, 128, 128, 2048, 64, 0x30C77fff, "MX30LF1G08AA", 0},
     {0x98D3, 0x902676, 5, 8, 1024, 256, 4096, 224, 0x00C25332, "TC58NVG3S0F", 0},
--- a/include/linux/mtd/rawnand.h
+++ b/include/linux/mtd/rawnand.h
@@ -896,6 +896,10 @@ struct nand_chip {
 	int (*setup_data_interface)(struct mtd_info *mtd, int chipnr,
 				    const struct nand_data_interface *conf);
 
+#ifdef CONFIG_MTK_MTD_NAND
+	int (*read_page)(struct mtd_info *mtd, struct nand_chip *chip, u8 *buf, int page);
+	int (*erase_mtk)(struct mtd_info *mtd, int page);
+#endif /* CONFIG_MTK_MTD_NAND */
 
 	int chip_delay;
 	unsigned int options;