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Cleanup flexspi storage

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Peter van der Perk
2025-05-23 09:11:56 +02:00
parent 4dd7363ee9
commit d586ba2451
2 changed files with 7 additions and 95 deletions
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boards/nxp/mr-tropic/nuttx-config/scripts/itcm_static_functions.ld
+2
View File
@@ -125,6 +125,8 @@
*(.text.imxrt_flexspi_read_blocking)
*(.text.imxrt_flexspi_check_and_clear_error)
*(.text.imxrt_flexspi_get_bus_idle_status)
*(.text.imxrt_flexspi_configure_prefetch)
*(.text.imxrt_flexspi_configure_prefetch_private)
*(.text.imxrt_flexspi_storage_write_enable)
*(.text.imxrt_flexspi_storage_wait_bus_busy)
*(.text.imxrt_flexspi_storage_read_status)
boards/nxp/mr-tropic/src/imxrt_flexspi_storage.c
+5 -95
View File
@@ -42,6 +42,9 @@
#ifdef CONFIG_IMXRT_FLEXSPI
/* Used sectors must be multiple of the flash block size
* i.e. W25Q32JV has a block size of 64KB
*/
#define NOR_USED_SECTORS (0x20U) /* 32 * 4KB = 128KB */
#define NOR_TOTAL_SECTORS (0x0400U)
@@ -243,33 +246,6 @@ static int imxrt_flexspi_storage_read_status(
return 0;
}
#if 0
static int imxrt_flexspi_nor_write_status(
const struct imxrt_flexspi_storage_dev_s *dev,
uint32_t *status)
{
int stat;
struct flexspi_transfer_s transfer = {
.device_address = 0,
.port = dev->port,
.cmd_type = FLEXSPI_WRITE,
.seq_number = 1,
.seq_index = WRITE_STATUS_REG,
.data = status,
.data_size = 1,
};
stat = FLEXSPI_TRANSFER(dev->flexspi, &transfer);
if (stat != 0) {
return -EIO;
}
return 0;
}
#endif
static int imxrt_flexspi_storage_write_enable(
const struct imxrt_flexspi_storage_dev_s *dev)
{
@@ -322,28 +298,8 @@ static int imxrt_flexspi_storage_erase_sector(
static int imxrt_flexspi_storage_erase_chip(
const struct imxrt_flexspi_storage_dev_s *dev)
{
#if 0
int stat;
struct flexspi_transfer_s transfer = {
.device_address = 0,
.port = dev->port,
.cmd_type = FLEXSPI_COMMAND,
.seq_number = 1,
.seq_index = CHIP_ERASE,
.data = NULL,
.data_size = 0,
};
stat = FLEXSPI_TRANSFER(dev->flexspi, &transfer);
if (stat != 0) {
return -EIO;
}
#endif
printf("WARNING TRYING TO ERASE THE WHOLE CHIP!!!!\n");
return 0;
/* We can't erase the chip we're executing from */
return -EINVAL;
}
static int imxrt_flexspi_storage_page_program(
@@ -395,39 +351,6 @@ static ssize_t imxrt_flexspi_storage_read(struct mtd_dev_s *dev,
size_t nbytes,
uint8_t *buffer)
{
#ifdef IP_READ
struct imxrt_flexspi_storage_dev_s *priv =
(struct imxrt_flexspi_storage_dev_s *)dev;
int stat;
size_t remaining = nbytes;
struct flexspi_transfer_s transfer = {
.port = priv->port,
.cmd_type = FLEXSPI_READ,
.seq_number = 1,
.seq_index = READ_FAST,
};
while (remaining > 0) {
transfer.device_address = offset;
transfer.data = buffer;
transfer.data_size = MIN(128, remaining);
stat = FLEXSPI_TRANSFER(priv->flexspi, &transfer);
if (stat != 0) {
return -EIO;
}
remaining -= transfer.data_size;
buffer += transfer.data_size;
offset += transfer.data_size;
}
return 0;
#else
struct imxrt_flexspi_storage_dev_s *priv =
(struct imxrt_flexspi_storage_dev_s *)dev;
uint8_t *src;
@@ -444,7 +367,6 @@ static ssize_t imxrt_flexspi_storage_read(struct mtd_dev_s *dev,
finfo("return nbytes: %d\n", (int)nbytes);
return (ssize_t)nbytes;
#endif
}
static ssize_t imxrt_flexspi_storage_bread(struct mtd_dev_s *dev,
@@ -615,18 +537,6 @@ static int imxrt_flexspi_storage_ioctl(struct mtd_dev_s *dev,
}
break;
case MTDIOC_PROTECT:
/* TODO */
break;
case MTDIOC_UNPROTECT:
/* TODO */
break;
default:
ret = -ENOTTY; /* Bad/unsupported command */
break;