ramips: clean up the mt7621 nand flash driver hacks, add support for the xiaomi mir3g flash chip
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
parent
e7f24f35b3
commit
f95a4aa565
3 changed files with 37 additions and 79 deletions
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@ -1299,7 +1299,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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+
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--- /dev/null
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+++ b/drivers/mtd/nand/mtk_nand2.c
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@@ -0,0 +1,2363 @@
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@@ -0,0 +1,2365 @@
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+/******************************************************************************
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+* mtk_nand2.c - MTK NAND Flash Device Driver
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+ *
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@ -2748,7 +2748,8 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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+{
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+ struct nand_chip *chip = (struct nand_chip *)mtd->priv;
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+
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+ chip->erase(mtd, page);
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+ chip->cmdfunc(mtd, NAND_CMD_ERASE1, -1, page);
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+ chip->cmdfunc(mtd, NAND_CMD_ERASE2, -1, -1);
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+
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+ return chip->waitfunc(mtd, chip);
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+}
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@ -3431,7 +3432,6 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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+ nand_chip->write_page = mtk_nand_write_page;
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+ nand_chip->ecc.write_oob = mtk_nand_write_oob;
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+ nand_chip->block_markbad = mtk_nand_block_markbad; // need to add nand_get_device()/nand_release_device().
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+ nand_chip->erase_mtk = mtk_nand_erase;
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+ nand_chip->read_page = mtk_nand_read_page;
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+ nand_chip->ecc.read_oob = mtk_nand_read_oob;
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+ nand_chip->block_bad = mtk_nand_block_bad;
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@ -3562,6 +3562,8 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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+ goto out;
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+ }
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+
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+ nand_chip->erase = mtk_nand_erase;
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+
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+ g_page_size = mtd->writesize;
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+ platform_set_drvdata(pdev, host);
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+ if (hw->nfi_bus_width == 16) {
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@ -4303,7 +4305,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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+#endif /* __NAND_DEF_H__ */
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--- /dev/null
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+++ b/drivers/mtd/nand/nand_device_list.h
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@@ -0,0 +1,56 @@
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@@ -0,0 +1,59 @@
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+/* Copyright Statement:
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+ *
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+ * This software/firmware and related documentation ("MediaTek Software") are
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@ -4350,6 +4352,9 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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+ {0xADBC, 0x905554, 5, 16, 512, 128, 2048, 64, 0x10801011, "H9DA4GH4JJAMC", 0},
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+ {0x01F1, 0x801D01, 4, 8, 128, 128, 2048, 64, 0x30C77fff, "S34ML01G100TF", 0},
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+ {0x92F1, 0x8095FF, 4, 8, 128, 128, 2048, 64, 0x30C77fff, "F59L1G81A", 0},
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+ {0xC8D1, 0x809540, 4, 8, 128, 128, 2048, 64, 0x30C77fff, "F59L1G81MA", 0},
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+ {0xC8DA, 0x909544, 5, 8, 256, 128, 2048, 64, 0x30C77fff, "F59L2G81A", 0},
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+ {0xC8DC, 0x909554, 5, 8, 512, 128, 2048, 64, 0x30C77fff, "F59L4G81A", 0},
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+ {0xECD3, 0x519558, 5, 8, 1024, 128, 2048, 64, 0x44333, "K9K8G8000", 0},
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+ {0xC2F1, 0x801DC2, 4, 8, 128, 128, 2048, 64, 0x30C77fff, "MX30LF1G08AA", 0},
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+ {0x98D3, 0x902676, 5, 8, 1024, 256, 4096, 224, 0x00C25332, "TC58NVG3S0F", 0},
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@ -1,42 +0,0 @@
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--- a/include/linux/mtd/rawnand.h
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+++ b/include/linux/mtd/rawnand.h
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@@ -885,6 +885,9 @@ struct nand_chip {
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int(*waitfunc)(struct mtd_info *mtd, struct nand_chip *this);
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int (*erase)(struct mtd_info *mtd, int page);
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int (*scan_bbt)(struct mtd_info *mtd);
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+ int (*write_page)(struct mtd_info *mtd, struct nand_chip *chip,
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+ uint32_t offset, int data_len, const uint8_t *buf,
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+ int oob_required, int page, int raw);
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int (*onfi_set_features)(struct mtd_info *mtd, struct nand_chip *chip,
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int feature_addr, uint8_t *subfeature_para);
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int (*onfi_get_features)(struct mtd_info *mtd, struct nand_chip *chip,
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--- a/drivers/mtd/nand/nand_base.c
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+++ b/drivers/mtd/nand/nand_base.c
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@@ -2761,9 +2761,14 @@ static int nand_do_write_ops(struct mtd_
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memset(chip->oob_poi, 0xff, mtd->oobsize);
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}
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- ret = nand_write_page(mtd, chip, column, bytes, wbuf,
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- oob_required, page,
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- (ops->mode == MTD_OPS_RAW));
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+// if (chip->write_page)
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+ ret = chip->write_page(mtd, chip, column, bytes, wbuf,
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+ oob_required, page,
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+ (ops->mode == MTD_OPS_RAW));
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+// else
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+// ret = nand_write_page(mtd, chip, column, bytes, wbuf,
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+// oob_required, page,
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+// (ops->mode == MTD_OPS_RAW));
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if (ret)
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break;
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@@ -4719,6 +4724,9 @@ int nand_scan_tail(struct mtd_info *mtd)
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}
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}
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+// if (!chip->write_page)
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+// chip->write_page = nand_write_page;
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+
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/*
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* Check ECC mode, default to software if 3byte/512byte hardware ECC is
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* selected and we have 256 byte pagesize fallback to software ECC
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@ -18,47 +18,42 @@
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if (ret < 0) {
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if (use_bufpoi)
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/* Invalidate page cache */
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@@ -3084,8 +3088,11 @@ int nand_erase_nand(struct mtd_info *mtd
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(page + pages_per_block))
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chip->pagebuf = -1;
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@@ -2761,9 +2765,14 @@ static int nand_do_write_ops(struct mtd_
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memset(chip->oob_poi, 0xff, mtd->oobsize);
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}
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- ret = nand_write_page(mtd, chip, column, bytes, wbuf,
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- oob_required, page,
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- (ops->mode == MTD_OPS_RAW));
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+ if (chip->write_page)
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+ ret = chip->write_page(mtd, chip, column, bytes, wbuf,
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+ oob_required, page,
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+ (ops->mode == MTD_OPS_RAW));
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+ else
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+ ret = nand_write_page(mtd, chip, column, bytes, wbuf,
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+ oob_required, page,
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+ (ops->mode == MTD_OPS_RAW));
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if (ret)
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break;
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+#ifdef CONFIG_MTK_MTD_NAND
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+ status = chip->erase_mtk(mtd, page & chip->pagemask);
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+#else
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status = chip->erase(mtd, page & chip->pagemask);
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-
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+#endif
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/* See if block erase succeeded */
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if (status & NAND_STATUS_FAIL) {
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pr_debug("%s: failed erase, page 0x%08x\n",
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@@ -4215,6 +4222,7 @@ int nand_scan_ident(struct mtd_info *mtd
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* cmdfunc() both expect cmd_ctrl() to be populated,
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* so we need to check that that's the case
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*/
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+ printk("%s:%s[%d]%p %p %p\n", __FILE__, __func__, __LINE__, chip->cmdfunc, chip->select_chip, chip->cmd_ctrl);
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pr_err("chip.cmd_ctrl() callback is not provided");
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return -EINVAL;
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}
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--- a/drivers/mtd/nand/nand_device_list.h
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+++ b/drivers/mtd/nand/nand_device_list.h
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@@ -44,6 +44,8 @@ static const flashdev_info gen_FlashTabl
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{0xADBC, 0x905554, 5, 16, 512, 128, 2048, 64, 0x10801011, "H9DA4GH4JJAMC", 0},
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{0x01F1, 0x801D01, 4, 8, 128, 128, 2048, 64, 0x30C77fff, "S34ML01G100TF", 0},
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{0x92F1, 0x8095FF, 4, 8, 128, 128, 2048, 64, 0x30C77fff, "F59L1G81A", 0},
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+ {0xC8DA, 0x909544, 5, 8, 256, 128, 2048, 64, 0x30C77fff, "F59L2G81A", 0},
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+ {0xC8DC, 0x909554, 5, 8, 512, 128, 2048, 64, 0x30C77fff, "F59L4G81A", 0},
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{0xECD3, 0x519558, 5, 8, 1024, 128, 2048, 64, 0x44333, "K9K8G8000", 0},
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{0xC2F1, 0x801DC2, 4, 8, 128, 128, 2048, 64, 0x30C77fff, "MX30LF1G08AA", 0},
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{0x98D3, 0x902676, 5, 8, 1024, 256, 4096, 224, 0x00C25332, "TC58NVG3S0F", 0},
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--- a/include/linux/mtd/rawnand.h
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+++ b/include/linux/mtd/rawnand.h
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@@ -896,6 +896,10 @@ struct nand_chip {
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@@ -885,6 +885,9 @@ struct nand_chip {
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int(*waitfunc)(struct mtd_info *mtd, struct nand_chip *this);
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int (*erase)(struct mtd_info *mtd, int page);
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int (*scan_bbt)(struct mtd_info *mtd);
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+ int (*write_page)(struct mtd_info *mtd, struct nand_chip *chip,
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+ uint32_t offset, int data_len, const uint8_t *buf,
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+ int oob_required, int page, int raw);
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int (*onfi_set_features)(struct mtd_info *mtd, struct nand_chip *chip,
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int feature_addr, uint8_t *subfeature_para);
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int (*onfi_get_features)(struct mtd_info *mtd, struct nand_chip *chip,
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@@ -893,6 +896,9 @@ struct nand_chip {
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int (*setup_data_interface)(struct mtd_info *mtd, int chipnr,
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const struct nand_data_interface *conf);
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+#ifdef CONFIG_MTK_MTD_NAND
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+ int (*read_page)(struct mtd_info *mtd, struct nand_chip *chip, u8 *buf, int page);
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+ int (*erase_mtk)(struct mtd_info *mtd, int page);
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+#endif /* CONFIG_MTK_MTD_NAND */
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int chip_delay;
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