summaryrefslogtreecommitdiff
path: root/drivers/mtd
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/nand/atmel_nand.c9
-rw-r--r--drivers/mtd/nand/atmel_nand_ecc.h20
-rw-r--r--drivers/mtd/nand/nand_base.c5
-rw-r--r--drivers/mtd/nand/tegra_nand.c9
-rw-r--r--drivers/mtd/spi/sandbox.c12
-rw-r--r--drivers/mtd/spi/sf_probe.c3
-rw-r--r--drivers/mtd/ubi/build.c8
7 files changed, 53 insertions, 13 deletions
diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index 620b6e8..b16e3aa 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -44,6 +44,7 @@ struct atmel_nand_host {
u8 pmecc_corr_cap;
u16 pmecc_sector_size;
u32 pmecc_index_table_offset;
+ u32 pmecc_version;
int pmecc_bytes_per_sector;
int pmecc_sector_number;
@@ -486,6 +487,10 @@ static int pmecc_correction(struct mtd_info *mtd, u32 pmecc_stat, uint8_t *buf,
int i, err_nbr, eccbytes;
uint8_t *buf_pos;
+ /* SAMA5D4 PMECC IP can correct errors for all 0xff page */
+ if (host->pmecc_version >= PMECC_VERSION_SAMA5D4)
+ goto normal_check;
+
eccbytes = nand_chip->ecc.bytes;
for (i = 0; i < eccbytes; i++)
if (ecc[i] != 0xff)
@@ -961,6 +966,10 @@ static int atmel_pmecc_nand_init_params(struct nand_chip *nand,
nand->ecc.write_page = atmel_nand_pmecc_write_page;
nand->ecc.strength = cap;
+ /* Check the PMECC ip version */
+ host->pmecc_version = pmecc_readl(host->pmerrloc, version);
+ dev_dbg(host->dev, "PMECC IP version is: %x\n", host->pmecc_version);
+
atmel_pmecc_core_init(mtd);
return 0;
diff --git a/drivers/mtd/nand/atmel_nand_ecc.h b/drivers/mtd/nand/atmel_nand_ecc.h
index eac860d..b2d2682 100644
--- a/drivers/mtd/nand/atmel_nand_ecc.h
+++ b/drivers/mtd/nand/atmel_nand_ecc.h
@@ -123,6 +123,20 @@ struct pmecc_errloc_regs {
u32 sigma[25]; /* 0x28-0x88 Error Location Sigma Registers */
u32 el[24]; /* 0x8C-0xE8 Error Location Registers */
u32 reserved1[5]; /* 0xEC-0xFC Reserved */
+
+ /*
+ * 0x100-0x1F8:
+ * Reserved for AT91SAM9X5, AT91SAM9N12.
+ * HSMC registers for SAMA5D3, SAMA5D4.
+ */
+ u32 reserved2[63];
+
+ /*
+ * 0x1FC:
+ * PMECC version for AT91SAM9X5, AT91SAM9N12.
+ * HSMC version for SAMA5D3, SAMA5D4. Can refer as PMECC version.
+ */
+ u32 version;
};
/* For Error Location Configuration Register */
@@ -137,6 +151,12 @@ struct pmecc_errloc_regs {
#define PMERRLOC_ERR_NUM_MASK (0x1f << 8)
#define PMERRLOC_CALC_DONE (1 << 0)
+/* PMECC IP version */
+#define PMECC_VERSION_SAMA5D4 0x113
+#define PMECC_VERSION_SAMA5D3 0x112
+#define PMECC_VERSION_AT91SAM9N12 0x102
+#define PMECC_VERSION_AT91SAM9X5 0x101
+
/* Galois field dimension */
#define PMECC_GF_DIMENSION_13 13
#define PMECC_GF_DIMENSION_14 14
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 63bdf65..6db6566 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -1065,11 +1065,6 @@ static int nand_wait(struct mtd_info *mtd, struct nand_chip *chip)
}
}
#endif
-#ifdef PPCHAMELON_NAND_TIMER_HACK
- time_start = get_timer(0);
- while (get_timer(time_start) < 10)
- ;
-#endif /* PPCHAMELON_NAND_TIMER_HACK */
led_trigger_event(nand_led_trigger, LED_OFF);
status = (int)chip->read_byte(mtd);
diff --git a/drivers/mtd/nand/tegra_nand.c b/drivers/mtd/nand/tegra_nand.c
index 163cf29..b660f3b 100644
--- a/drivers/mtd/nand/tegra_nand.c
+++ b/drivers/mtd/nand/tegra_nand.c
@@ -79,7 +79,7 @@ enum {
struct fdt_nand {
struct nand_ctlr *reg;
int enabled; /* 1 to enable, 0 to disable */
- struct fdt_gpio_state wp_gpio; /* write-protect GPIO */
+ struct gpio_desc wp_gpio; /* write-protect GPIO */
s32 width; /* bit width, normally 8 */
u32 timing[FDT_NAND_TIMING_COUNT];
};
@@ -945,8 +945,8 @@ static int fdt_decode_nand(const void *blob, int node, struct fdt_nand *config)
config->reg = (struct nand_ctlr *)fdtdec_get_addr(blob, node, "reg");
config->enabled = fdtdec_get_is_enabled(blob, node);
config->width = fdtdec_get_int(blob, node, "nvidia,nand-width", 8);
- err = fdtdec_decode_gpio(blob, node, "nvidia,wp-gpios",
- &config->wp_gpio);
+ err = gpio_request_by_name_nodev(blob, node, "nvidia,wp-gpios", 0,
+ &config->wp_gpio, GPIOD_IS_OUT);
if (err)
return err;
err = fdtdec_get_int_array(blob, node, "nvidia,timing",
@@ -1009,8 +1009,7 @@ int tegra_nand_init(struct nand_chip *nand, int devnum)
/* Adjust timing for NAND device */
setup_timing(config->timing, info->reg);
- fdtdec_setup_gpio(&config->wp_gpio);
- gpio_direction_output(config->wp_gpio.gpio, 1);
+ dm_gpio_set_value(&config->wp_gpio, 1);
our_mtd = &nand_info[devnum];
our_mtd->priv = nand;
diff --git a/drivers/mtd/spi/sandbox.c b/drivers/mtd/spi/sandbox.c
index 3024b98..d576d31 100644
--- a/drivers/mtd/spi/sandbox.c
+++ b/drivers/mtd/spi/sandbox.c
@@ -141,8 +141,10 @@ static int sandbox_sf_probe(struct udevice *dev)
assert(bus->seq != -1);
if (bus->seq < CONFIG_SANDBOX_SPI_MAX_BUS)
spec = state->spi[bus->seq][cs].spec;
- if (!spec)
- return -ENOENT;
+ if (!spec) {
+ ret = -ENOENT;
+ goto error;
+ }
file = strchr(spec, ':');
if (!file) {
@@ -196,6 +198,7 @@ static int sandbox_sf_probe(struct udevice *dev)
return 0;
error:
+ debug("%s: Got error %d\n", __func__, ret);
return ret;
}
@@ -587,6 +590,11 @@ int sandbox_sf_bind_emul(struct sandbox_state *state, int busnum, int cs,
void sandbox_sf_unbind_emul(struct sandbox_state *state, int busnum, int cs)
{
+ struct udevice *dev;
+
+ dev = state->spi[busnum][cs].emul;
+ device_remove(dev);
+ device_unbind(dev);
state->spi[busnum][cs].emul = NULL;
}
diff --git a/drivers/mtd/spi/sf_probe.c b/drivers/mtd/spi/sf_probe.c
index ce9987f..4103723 100644
--- a/drivers/mtd/spi/sf_probe.c
+++ b/drivers/mtd/spi/sf_probe.c
@@ -481,11 +481,12 @@ int spi_flash_std_erase(struct udevice *dev, u32 offset, size_t len)
int spi_flash_std_probe(struct udevice *dev)
{
struct spi_slave *slave = dev_get_parentdata(dev);
+ struct dm_spi_slave_platdata *plat = dev_get_parent_platdata(dev);
struct spi_flash *flash;
flash = dev->uclass_priv;
flash->dev = dev;
- debug("%s: slave=%p, cs=%d\n", __func__, slave, slave->cs);
+ debug("%s: slave=%p, cs=%d\n", __func__, slave, plat->cs);
return spi_flash_probe_slave(slave, flash);
}
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
index 584cf5f..290d524 100644
--- a/drivers/mtd/ubi/build.c
+++ b/drivers/mtd/ubi/build.c
@@ -1358,6 +1358,10 @@ out_version:
out_class:
class_destroy(ubi_class);
out:
+#ifdef __UBOOT__
+ /* Reset any globals that the driver depends on being zeroed */
+ mtd_devs = 0;
+#endif
ubi_err("cannot initialize UBI, error %d", err);
return err;
}
@@ -1384,6 +1388,10 @@ void ubi_exit(void)
misc_deregister(&ubi_ctrl_cdev);
class_remove_file(ubi_class, &ubi_version);
class_destroy(ubi_class);
+#ifdef __UBOOT__
+ /* Reset any globals that the driver depends on being zeroed */
+ mtd_devs = 0;
+#endif
}
module_exit(ubi_exit);
generated by cgit v1.1 at 2024-10-20 23:26:59 +0000