From f95a4aa5658e8686831e88a530cbd596741ff573 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Tue, 8 May 2018 17:44:23 +0200 Subject: [PATCH] ramips: clean up the mt7621 nand flash driver hacks, add support for the xiaomi mir3g flash chip Signed-off-by: Felix Fietkau --- .../0039-mtd-add-mt7621-nand-support.patch | 13 ++-- .../0040-nand-hack-restore-write_page.patch | 42 ------------- .../ramips/patches-4.14/0040-nand-hack.patch | 61 +++++++++---------- 3 files changed, 37 insertions(+), 79 deletions(-) delete mode 100644 target/linux/ramips/patches-4.14/0040-nand-hack-restore-write_page.patch diff --git a/target/linux/ramips/patches-4.14/0039-mtd-add-mt7621-nand-support.patch b/target/linux/ramips/patches-4.14/0039-mtd-add-mt7621-nand-support.patch index 97e4344665..f5cdfc9bc3 100644 --- a/target/linux/ramips/patches-4.14/0039-mtd-add-mt7621-nand-support.patch +++ b/target/linux/ramips/patches-4.14/0039-mtd-add-mt7621-nand-support.patch @@ -1299,7 +1299,7 @@ Signed-off-by: John Crispin + --- /dev/null +++ b/drivers/mtd/nand/mtk_nand2.c -@@ -0,0 +1,2363 @@ +@@ -0,0 +1,2365 @@ +/****************************************************************************** +* mtk_nand2.c - MTK NAND Flash Device Driver + * @@ -2748,7 +2748,8 @@ Signed-off-by: John Crispin +{ + struct nand_chip *chip = (struct nand_chip *)mtd->priv; + -+ chip->erase(mtd, page); ++ chip->cmdfunc(mtd, NAND_CMD_ERASE1, -1, page); ++ chip->cmdfunc(mtd, NAND_CMD_ERASE2, -1, -1); + + return chip->waitfunc(mtd, chip); +} @@ -3431,7 +3432,6 @@ Signed-off-by: John Crispin + nand_chip->write_page = mtk_nand_write_page; + nand_chip->ecc.write_oob = mtk_nand_write_oob; + nand_chip->block_markbad = mtk_nand_block_markbad; // need to add nand_get_device()/nand_release_device(). -+ nand_chip->erase_mtk = mtk_nand_erase; + nand_chip->read_page = mtk_nand_read_page; + nand_chip->ecc.read_oob = mtk_nand_read_oob; + nand_chip->block_bad = mtk_nand_block_bad; @@ -3562,6 +3562,8 @@ Signed-off-by: John Crispin + goto out; + } + ++ nand_chip->erase = mtk_nand_erase; ++ + g_page_size = mtd->writesize; + platform_set_drvdata(pdev, host); + if (hw->nfi_bus_width == 16) { @@ -4303,7 +4305,7 @@ Signed-off-by: John Crispin +#endif /* __NAND_DEF_H__ */ --- /dev/null +++ b/drivers/mtd/nand/nand_device_list.h -@@ -0,0 +1,56 @@ +@@ -0,0 +1,59 @@ +/* Copyright Statement: + * + * This software/firmware and related documentation ("MediaTek Software") are @@ -4350,6 +4352,9 @@ Signed-off-by: John Crispin + {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}, ++ {0xC8D1, 0x809540, 4, 8, 128, 128, 2048, 64, 0x30C77fff, "F59L1G81MA", 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}, diff --git a/target/linux/ramips/patches-4.14/0040-nand-hack-restore-write_page.patch b/target/linux/ramips/patches-4.14/0040-nand-hack-restore-write_page.patch deleted file mode 100644 index ec2afeaf0e..0000000000 --- a/target/linux/ramips/patches-4.14/0040-nand-hack-restore-write_page.patch +++ /dev/null @@ -1,42 +0,0 @@ ---- a/include/linux/mtd/rawnand.h -+++ b/include/linux/mtd/rawnand.h -@@ -885,6 +885,9 @@ struct nand_chip { - int(*waitfunc)(struct mtd_info *mtd, struct nand_chip *this); - int (*erase)(struct mtd_info *mtd, int page); - int (*scan_bbt)(struct mtd_info *mtd); -+ int (*write_page)(struct mtd_info *mtd, struct nand_chip *chip, -+ uint32_t offset, int data_len, const uint8_t *buf, -+ int oob_required, int page, int raw); - int (*onfi_set_features)(struct mtd_info *mtd, struct nand_chip *chip, - int feature_addr, uint8_t *subfeature_para); - int (*onfi_get_features)(struct mtd_info *mtd, struct nand_chip *chip, ---- a/drivers/mtd/nand/nand_base.c -+++ b/drivers/mtd/nand/nand_base.c -@@ -2761,9 +2761,14 @@ static int nand_do_write_ops(struct mtd_ - memset(chip->oob_poi, 0xff, mtd->oobsize); - } - -- ret = nand_write_page(mtd, chip, column, bytes, wbuf, -- oob_required, page, -- (ops->mode == MTD_OPS_RAW)); -+// if (chip->write_page) -+ ret = chip->write_page(mtd, chip, column, bytes, wbuf, -+ oob_required, page, -+ (ops->mode == MTD_OPS_RAW)); -+// else -+// ret = nand_write_page(mtd, chip, column, bytes, wbuf, -+// oob_required, page, -+// (ops->mode == MTD_OPS_RAW)); - if (ret) - break; - -@@ -4719,6 +4724,9 @@ int nand_scan_tail(struct mtd_info *mtd) - } - } - -+// if (!chip->write_page) -+// chip->write_page = nand_write_page; -+ - /* - * Check ECC mode, default to software if 3byte/512byte hardware ECC is - * selected and we have 256 byte pagesize fallback to software ECC diff --git a/target/linux/ramips/patches-4.14/0040-nand-hack.patch b/target/linux/ramips/patches-4.14/0040-nand-hack.patch index ae6eed933f..c906d7fa6a 100644 --- a/target/linux/ramips/patches-4.14/0040-nand-hack.patch +++ b/target/linux/ramips/patches-4.14/0040-nand-hack.patch @@ -18,47 +18,42 @@ if (ret < 0) { if (use_bufpoi) /* Invalidate page cache */ -@@ -3084,8 +3088,11 @@ int nand_erase_nand(struct mtd_info *mtd - (page + pages_per_block)) - chip->pagebuf = -1; +@@ -2761,9 +2765,14 @@ static int nand_do_write_ops(struct mtd_ + memset(chip->oob_poi, 0xff, mtd->oobsize); + } + +- ret = nand_write_page(mtd, chip, column, bytes, wbuf, +- oob_required, page, +- (ops->mode == MTD_OPS_RAW)); ++ if (chip->write_page) ++ ret = chip->write_page(mtd, chip, column, bytes, wbuf, ++ oob_required, page, ++ (ops->mode == MTD_OPS_RAW)); ++ else ++ ret = nand_write_page(mtd, chip, column, bytes, wbuf, ++ oob_required, page, ++ (ops->mode == MTD_OPS_RAW)); + if (ret) + break; -+#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", -@@ -4215,6 +4222,7 @@ 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 { +@@ -885,6 +885,9 @@ struct nand_chip { + int(*waitfunc)(struct mtd_info *mtd, struct nand_chip *this); + int (*erase)(struct mtd_info *mtd, int page); + int (*scan_bbt)(struct mtd_info *mtd); ++ int (*write_page)(struct mtd_info *mtd, struct nand_chip *chip, ++ uint32_t offset, int data_len, const uint8_t *buf, ++ int oob_required, int page, int raw); + int (*onfi_set_features)(struct mtd_info *mtd, struct nand_chip *chip, + int feature_addr, uint8_t *subfeature_para); + int (*onfi_get_features)(struct mtd_info *mtd, struct nand_chip *chip, +@@ -893,6 +896,9 @@ 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; -- 2.30.2