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path: root/drivers/mtd/nand/raw/sunxi_nand.c
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Diffstat (limited to 'drivers/mtd/nand/raw/sunxi_nand.c')
-rw-r--r--drivers/mtd/nand/raw/sunxi_nand.c96
1 files changed, 44 insertions, 52 deletions
diff --git a/drivers/mtd/nand/raw/sunxi_nand.c b/drivers/mtd/nand/raw/sunxi_nand.c
index 1f0b7ee38df5..51b1a548064b 100644
--- a/drivers/mtd/nand/raw/sunxi_nand.c
+++ b/drivers/mtd/nand/raw/sunxi_nand.c
@@ -400,9 +400,8 @@ static void sunxi_nfc_dma_op_cleanup(struct mtd_info *mtd,
nfc->regs + NFC_REG_CTL);
}
-static int sunxi_nfc_dev_ready(struct mtd_info *mtd)
+static int sunxi_nfc_dev_ready(struct nand_chip *nand)
{
- struct nand_chip *nand = mtd_to_nand(mtd);
struct sunxi_nand_chip *sunxi_nand = to_sunxi_nand(nand);
struct sunxi_nfc *nfc = to_sunxi_nfc(sunxi_nand->nand.controller);
u32 mask;
@@ -420,9 +419,9 @@ static int sunxi_nfc_dev_ready(struct mtd_info *mtd)
return !!(readl(nfc->regs + NFC_REG_ST) & mask);
}
-static void sunxi_nfc_select_chip(struct mtd_info *mtd, int chip)
+static void sunxi_nfc_select_chip(struct nand_chip *nand, int chip)
{
- struct nand_chip *nand = mtd_to_nand(mtd);
+ struct mtd_info *mtd = nand_to_mtd(nand);
struct sunxi_nand_chip *sunxi_nand = to_sunxi_nand(nand);
struct sunxi_nfc *nfc = to_sunxi_nfc(sunxi_nand->nand.controller);
struct sunxi_nand_chip_sel *sel;
@@ -443,9 +442,9 @@ static void sunxi_nfc_select_chip(struct mtd_info *mtd, int chip)
ctl |= NFC_CE_SEL(sel->cs) | NFC_EN |
NFC_PAGE_SHIFT(nand->page_shift);
if (sel->rb < 0) {
- nand->dev_ready = NULL;
+ nand->legacy.dev_ready = NULL;
} else {
- nand->dev_ready = sunxi_nfc_dev_ready;
+ nand->legacy.dev_ready = sunxi_nfc_dev_ready;
ctl |= NFC_RB_SEL(sel->rb);
}
@@ -464,9 +463,8 @@ static void sunxi_nfc_select_chip(struct mtd_info *mtd, int chip)
sunxi_nand->selected = chip;
}
-static void sunxi_nfc_read_buf(struct mtd_info *mtd, uint8_t *buf, int len)
+static void sunxi_nfc_read_buf(struct nand_chip *nand, uint8_t *buf, int len)
{
- struct nand_chip *nand = mtd_to_nand(mtd);
struct sunxi_nand_chip *sunxi_nand = to_sunxi_nand(nand);
struct sunxi_nfc *nfc = to_sunxi_nfc(sunxi_nand->nand.controller);
int ret;
@@ -502,10 +500,9 @@ static void sunxi_nfc_read_buf(struct mtd_info *mtd, uint8_t *buf, int len)
}
}
-static void sunxi_nfc_write_buf(struct mtd_info *mtd, const uint8_t *buf,
+static void sunxi_nfc_write_buf(struct nand_chip *nand, const uint8_t *buf,
int len)
{
- struct nand_chip *nand = mtd_to_nand(mtd);
struct sunxi_nand_chip *sunxi_nand = to_sunxi_nand(nand);
struct sunxi_nfc *nfc = to_sunxi_nfc(sunxi_nand->nand.controller);
int ret;
@@ -540,19 +537,18 @@ static void sunxi_nfc_write_buf(struct mtd_info *mtd, const uint8_t *buf,
}
}
-static uint8_t sunxi_nfc_read_byte(struct mtd_info *mtd)
+static uint8_t sunxi_nfc_read_byte(struct nand_chip *nand)
{
uint8_t ret = 0;
- sunxi_nfc_read_buf(mtd, &ret, 1);
+ sunxi_nfc_read_buf(nand, &ret, 1);
return ret;
}
-static void sunxi_nfc_cmd_ctrl(struct mtd_info *mtd, int dat,
+static void sunxi_nfc_cmd_ctrl(struct nand_chip *nand, int dat,
unsigned int ctrl)
{
- struct nand_chip *nand = mtd_to_nand(mtd);
struct sunxi_nand_chip *sunxi_nand = to_sunxi_nand(nand);
struct sunxi_nfc *nfc = to_sunxi_nfc(sunxi_nand->nand.controller);
int ret;
@@ -761,7 +757,7 @@ static void sunxi_nfc_randomizer_write_buf(struct mtd_info *mtd,
{
sunxi_nfc_randomizer_config(mtd, page, ecc);
sunxi_nfc_randomizer_enable(mtd);
- sunxi_nfc_write_buf(mtd, buf, len);
+ sunxi_nfc_write_buf(mtd_to_nand(mtd), buf, len);
sunxi_nfc_randomizer_disable(mtd);
}
@@ -770,7 +766,7 @@ static void sunxi_nfc_randomizer_read_buf(struct mtd_info *mtd, uint8_t *buf,
{
sunxi_nfc_randomizer_config(mtd, page, ecc);
sunxi_nfc_randomizer_enable(mtd);
- sunxi_nfc_read_buf(mtd, buf, len);
+ sunxi_nfc_read_buf(mtd_to_nand(mtd), buf, len);
sunxi_nfc_randomizer_disable(mtd);
}
@@ -995,7 +991,7 @@ static void sunxi_nfc_hw_ecc_read_extra_oob(struct mtd_info *mtd,
false);
if (!randomize)
- sunxi_nfc_read_buf(mtd, oob + offset, len);
+ sunxi_nfc_read_buf(nand, oob + offset, len);
else
sunxi_nfc_randomizer_read_buf(mtd, oob + offset, len,
false, page);
@@ -1189,10 +1185,10 @@ static void sunxi_nfc_hw_ecc_write_extra_oob(struct mtd_info *mtd,
*cur_off = mtd->oobsize + mtd->writesize;
}
-static int sunxi_nfc_hw_ecc_read_page(struct mtd_info *mtd,
- struct nand_chip *chip, uint8_t *buf,
+static int sunxi_nfc_hw_ecc_read_page(struct nand_chip *chip, uint8_t *buf,
int oob_required, int page)
{
+ struct mtd_info *mtd = nand_to_mtd(chip);
struct nand_ecc_ctrl *ecc = &chip->ecc;
unsigned int max_bitflips = 0;
int ret, i, cur_off = 0;
@@ -1227,10 +1223,10 @@ static int sunxi_nfc_hw_ecc_read_page(struct mtd_info *mtd,
return max_bitflips;
}
-static int sunxi_nfc_hw_ecc_read_page_dma(struct mtd_info *mtd,
- struct nand_chip *chip, u8 *buf,
+static int sunxi_nfc_hw_ecc_read_page_dma(struct nand_chip *chip, u8 *buf,
int oob_required, int page)
{
+ struct mtd_info *mtd = nand_to_mtd(chip);
int ret;
nand_read_page_op(chip, page, 0, NULL, 0);
@@ -1241,14 +1237,14 @@ static int sunxi_nfc_hw_ecc_read_page_dma(struct mtd_info *mtd,
return ret;
/* Fallback to PIO mode */
- return sunxi_nfc_hw_ecc_read_page(mtd, chip, buf, oob_required, page);
+ return sunxi_nfc_hw_ecc_read_page(chip, buf, oob_required, page);
}
-static int sunxi_nfc_hw_ecc_read_subpage(struct mtd_info *mtd,
- struct nand_chip *chip,
+static int sunxi_nfc_hw_ecc_read_subpage(struct nand_chip *chip,
u32 data_offs, u32 readlen,
u8 *bufpoi, int page)
{
+ struct mtd_info *mtd = nand_to_mtd(chip);
struct nand_ecc_ctrl *ecc = &chip->ecc;
int ret, i, cur_off = 0;
unsigned int max_bitflips = 0;
@@ -1278,11 +1274,11 @@ static int sunxi_nfc_hw_ecc_read_subpage(struct mtd_info *mtd,
return max_bitflips;
}
-static int sunxi_nfc_hw_ecc_read_subpage_dma(struct mtd_info *mtd,
- struct nand_chip *chip,
+static int sunxi_nfc_hw_ecc_read_subpage_dma(struct nand_chip *chip,
u32 data_offs, u32 readlen,
u8 *buf, int page)
{
+ struct mtd_info *mtd = nand_to_mtd(chip);
int nchunks = DIV_ROUND_UP(data_offs + readlen, chip->ecc.size);
int ret;
@@ -1293,15 +1289,15 @@ static int sunxi_nfc_hw_ecc_read_subpage_dma(struct mtd_info *mtd,
return ret;
/* Fallback to PIO mode */
- return sunxi_nfc_hw_ecc_read_subpage(mtd, chip, data_offs, readlen,
+ return sunxi_nfc_hw_ecc_read_subpage(chip, data_offs, readlen,
buf, page);
}
-static int sunxi_nfc_hw_ecc_write_page(struct mtd_info *mtd,
- struct nand_chip *chip,
+static int sunxi_nfc_hw_ecc_write_page(struct nand_chip *chip,
const uint8_t *buf, int oob_required,
int page)
{
+ struct mtd_info *mtd = nand_to_mtd(chip);
struct nand_ecc_ctrl *ecc = &chip->ecc;
int ret, i, cur_off = 0;
@@ -1331,12 +1327,12 @@ static int sunxi_nfc_hw_ecc_write_page(struct mtd_info *mtd,
return nand_prog_page_end_op(chip);
}
-static int sunxi_nfc_hw_ecc_write_subpage(struct mtd_info *mtd,
- struct nand_chip *chip,
+static int sunxi_nfc_hw_ecc_write_subpage(struct nand_chip *chip,
u32 data_offs, u32 data_len,
const u8 *buf, int oob_required,
int page)
{
+ struct mtd_info *mtd = nand_to_mtd(chip);
struct nand_ecc_ctrl *ecc = &chip->ecc;
int ret, i, cur_off = 0;
@@ -1363,12 +1359,12 @@ static int sunxi_nfc_hw_ecc_write_subpage(struct mtd_info *mtd,
return nand_prog_page_end_op(chip);
}
-static int sunxi_nfc_hw_ecc_write_page_dma(struct mtd_info *mtd,
- struct nand_chip *chip,
+static int sunxi_nfc_hw_ecc_write_page_dma(struct nand_chip *chip,
const u8 *buf,
int oob_required,
int page)
{
+ struct mtd_info *mtd = nand_to_mtd(chip);
struct nand_chip *nand = mtd_to_nand(mtd);
struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller);
struct nand_ecc_ctrl *ecc = &nand->ecc;
@@ -1425,28 +1421,25 @@ static int sunxi_nfc_hw_ecc_write_page_dma(struct mtd_info *mtd,
return nand_prog_page_end_op(chip);
pio_fallback:
- return sunxi_nfc_hw_ecc_write_page(mtd, chip, buf, oob_required, page);
+ return sunxi_nfc_hw_ecc_write_page(chip, buf, oob_required, page);
}
-static int sunxi_nfc_hw_ecc_read_oob(struct mtd_info *mtd,
- struct nand_chip *chip,
- int page)
+static int sunxi_nfc_hw_ecc_read_oob(struct nand_chip *chip, int page)
{
chip->pagebuf = -1;
- return chip->ecc.read_page(mtd, chip, chip->data_buf, 1, page);
+ return chip->ecc.read_page(chip, chip->data_buf, 1, page);
}
-static int sunxi_nfc_hw_ecc_write_oob(struct mtd_info *mtd,
- struct nand_chip *chip,
- int page)
+static int sunxi_nfc_hw_ecc_write_oob(struct nand_chip *chip, int page)
{
+ struct mtd_info *mtd = nand_to_mtd(chip);
int ret;
chip->pagebuf = -1;
memset(chip->data_buf, 0xff, mtd->writesize);
- ret = chip->ecc.write_page(mtd, chip, chip->data_buf, 1, page);
+ ret = chip->ecc.write_page(chip, chip->data_buf, 1, page);
if (ret)
return ret;
@@ -1475,10 +1468,9 @@ static int _sunxi_nand_lookup_timing(const s32 *lut, int lut_size, u32 duration,
#define sunxi_nand_lookup_timing(l, p, c) \
_sunxi_nand_lookup_timing(l, ARRAY_SIZE(l), p, c)
-static int sunxi_nfc_setup_data_interface(struct mtd_info *mtd, int csline,
+static int sunxi_nfc_setup_data_interface(struct nand_chip *nand, int csline,
const struct nand_data_interface *conf)
{
- struct nand_chip *nand = mtd_to_nand(mtd);
struct sunxi_nand_chip *chip = to_sunxi_nand(nand);
struct sunxi_nfc *nfc = to_sunxi_nfc(chip->nand.controller);
const struct nand_sdr_timings *timings;
@@ -1920,7 +1912,7 @@ static int sunxi_nand_chip_init(struct device *dev, struct sunxi_nfc *nfc,
nand = &chip->nand;
/* Default tR value specified in the ONFI spec (chapter 4.15.1) */
- nand->chip_delay = 200;
+ nand->legacy.chip_delay = 200;
nand->controller = &nfc->controller;
nand->controller->ops = &sunxi_nand_controller_ops;
@@ -1931,23 +1923,23 @@ static int sunxi_nand_chip_init(struct device *dev, struct sunxi_nfc *nfc,
nand->ecc.mode = NAND_ECC_HW;
nand_set_flash_node(nand, np);
nand->select_chip = sunxi_nfc_select_chip;
- nand->cmd_ctrl = sunxi_nfc_cmd_ctrl;
- nand->read_buf = sunxi_nfc_read_buf;
- nand->write_buf = sunxi_nfc_write_buf;
- nand->read_byte = sunxi_nfc_read_byte;
+ nand->legacy.cmd_ctrl = sunxi_nfc_cmd_ctrl;
+ nand->legacy.read_buf = sunxi_nfc_read_buf;
+ nand->legacy.write_buf = sunxi_nfc_write_buf;
+ nand->legacy.read_byte = sunxi_nfc_read_byte;
nand->setup_data_interface = sunxi_nfc_setup_data_interface;
mtd = nand_to_mtd(nand);
mtd->dev.parent = dev;
- ret = nand_scan(mtd, nsels);
+ ret = nand_scan(nand, nsels);
if (ret)
return ret;
ret = mtd_device_register(mtd, NULL, 0);
if (ret) {
dev_err(dev, "failed to register mtd device: %d\n", ret);
- nand_release(mtd);
+ nand_release(nand);
return ret;
}
@@ -1986,7 +1978,7 @@ static void sunxi_nand_chips_cleanup(struct sunxi_nfc *nfc)
while (!list_empty(&nfc->chips)) {
chip = list_first_entry(&nfc->chips, struct sunxi_nand_chip,
node);
- nand_release(nand_to_mtd(&chip->nand));
+ nand_release(&chip->nand);
sunxi_nand_ecc_cleanup(&chip->nand.ecc);
list_del(&chip->node);
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.