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-rw-r--r--src/drivers/spi/adesto.c5
-rw-r--r--src/drivers/spi/amic.c5
-rw-r--r--src/drivers/spi/atmel.c5
-rw-r--r--src/drivers/spi/eon.c1
-rw-r--r--src/drivers/spi/gigadevice.c5
-rw-r--r--src/drivers/spi/macronix.c5
-rw-r--r--src/drivers/spi/spansion.c1
-rw-r--r--src/drivers/spi/spi_flash.c97
-rw-r--r--src/drivers/spi/spi_flash_internal.h6
-rw-r--r--src/drivers/spi/sst.c2
-rw-r--r--src/drivers/spi/stmicro.c1
-rw-r--r--src/drivers/spi/winbond.c5
12 files changed, 35 insertions, 103 deletions
diff --git a/src/drivers/spi/adesto.c b/src/drivers/spi/adesto.c
index a805609c5e..4e1043edb7 100644
--- a/src/drivers/spi/adesto.c
+++ b/src/drivers/spi/adesto.c
@@ -201,11 +201,6 @@ out:
static const struct spi_flash_ops spi_flash_ops = {
.write = adesto_write,
.erase = spi_flash_cmd_erase,
-#if CONFIG(SPI_FLASH_NO_FAST_READ)
- .read = spi_flash_cmd_read_slow,
-#else
- .read = spi_flash_cmd_read_fast,
-#endif
};
int spi_flash_probe_adesto(const struct spi_slave *spi, u8 *idcode,
diff --git a/src/drivers/spi/amic.c b/src/drivers/spi/amic.c
index 64c91cc79f..b580dc3df0 100644
--- a/src/drivers/spi/amic.c
+++ b/src/drivers/spi/amic.c
@@ -176,11 +176,6 @@ out:
static const struct spi_flash_ops spi_flash_ops = {
.write = amic_write,
.erase = spi_flash_cmd_erase,
-#if CONFIG(SPI_FLASH_NO_FAST_READ)
- .read = spi_flash_cmd_read_slow,
-#else
- .read = spi_flash_cmd_read_fast,
-#endif
};
int spi_flash_probe_amic(const struct spi_slave *spi, u8 *idcode,
diff --git a/src/drivers/spi/atmel.c b/src/drivers/spi/atmel.c
index 7d6e172755..58a2862eeb 100644
--- a/src/drivers/spi/atmel.c
+++ b/src/drivers/spi/atmel.c
@@ -157,11 +157,6 @@ out:
static const struct spi_flash_ops spi_flash_ops = {
.write = atmel_write,
.erase = spi_flash_cmd_erase,
-#if CONFIG(SPI_FLASH_NO_FAST_READ)
- .read = spi_flash_cmd_read_slow,
-#else
- .read = spi_flash_cmd_read_fast,
-#endif
};
int spi_flash_probe_atmel(const struct spi_slave *spi, u8 *idcode,
diff --git a/src/drivers/spi/eon.c b/src/drivers/spi/eon.c
index 33e12a000f..f3cf70ef1b 100644
--- a/src/drivers/spi/eon.c
+++ b/src/drivers/spi/eon.c
@@ -292,7 +292,6 @@ static const struct spi_flash_ops spi_flash_ops = {
.write = eon_write,
.erase = spi_flash_cmd_erase,
.status = spi_flash_cmd_status,
- .read = spi_flash_cmd_read_fast,
};
int spi_flash_probe_eon(const struct spi_slave *spi, u8 *idcode,
diff --git a/src/drivers/spi/gigadevice.c b/src/drivers/spi/gigadevice.c
index 714ed894f7..cc4cf1dddb 100644
--- a/src/drivers/spi/gigadevice.c
+++ b/src/drivers/spi/gigadevice.c
@@ -221,11 +221,6 @@ static const struct spi_flash_ops spi_flash_ops = {
.write = gigadevice_write,
.erase = spi_flash_cmd_erase,
.status = spi_flash_cmd_status,
-#if CONFIG(SPI_FLASH_NO_FAST_READ)
- .read = spi_flash_cmd_read_slow,
-#else
- .read = spi_flash_cmd_read_fast,
-#endif
};
int spi_flash_probe_gigadevice(const struct spi_slave *spi, u8 *idcode,
diff --git a/src/drivers/spi/macronix.c b/src/drivers/spi/macronix.c
index 1610ca18c8..5a97b8f794 100644
--- a/src/drivers/spi/macronix.c
+++ b/src/drivers/spi/macronix.c
@@ -268,11 +268,6 @@ static const struct spi_flash_ops spi_flash_ops = {
.write = macronix_write,
.erase = spi_flash_cmd_erase,
.status = spi_flash_cmd_status,
-#if CONFIG(SPI_FLASH_NO_FAST_READ)
- .read = spi_flash_cmd_read_slow,
-#else
- .read = spi_flash_cmd_read_fast,
-#endif
};
int spi_flash_probe_macronix(const struct spi_slave *spi, u8 *idcode,
diff --git a/src/drivers/spi/spansion.c b/src/drivers/spi/spansion.c
index e687bf8471..4a241baf09 100644
--- a/src/drivers/spi/spansion.c
+++ b/src/drivers/spi/spansion.c
@@ -282,7 +282,6 @@ static int spansion_write(const struct spi_flash *flash, u32 offset, size_t len,
static const struct spi_flash_ops spi_flash_ops = {
.write = spansion_write,
.erase = spi_flash_cmd_erase,
- .read = spi_flash_cmd_read_slow,
.status = spi_flash_cmd_status,
};
diff --git a/src/drivers/spi/spi_flash.c b/src/drivers/spi/spi_flash.c
index ae1d2efb22..5e42a375f6 100644
--- a/src/drivers/spi/spi_flash.c
+++ b/src/drivers/spi/spi_flash.c
@@ -31,7 +31,7 @@ static void spi_flash_addr(u32 addr, u8 *cmd)
static int do_spi_flash_cmd(const struct spi_slave *spi, const void *dout,
size_t bytes_out, void *din, size_t bytes_in)
{
- int ret = 1;
+ int ret;
/*
* SPI flash requires command-response kind of behavior. Thus, two
* separate SPI vectors are required -- first to transmit dout and other
@@ -49,11 +49,11 @@ static int do_spi_flash_cmd(const struct spi_slave *spi, const void *dout,
if (!bytes_in)
count = 1;
- if (spi_claim_bus(spi))
+ ret = spi_claim_bus(spi);
+ if (ret)
return ret;
- if (spi_xfer_vector(spi, vectors, count) == 0)
- ret = 0;
+ ret = spi_xfer_vector(spi, vectors, count);
spi_release_bus(spi);
return ret;
@@ -68,18 +68,6 @@ int spi_flash_cmd(const struct spi_slave *spi, u8 cmd, void *response, size_t le
return ret;
}
-static int spi_flash_cmd_read(const struct spi_slave *spi, const u8 *cmd,
- size_t cmd_len, void *data, size_t data_len)
-{
- int ret = do_spi_flash_cmd(spi, cmd, cmd_len, data, data_len);
- if (ret) {
- printk(BIOS_WARNING, "SF: Failed to send read command (%zu bytes): %d\n",
- data_len, ret);
- }
-
- return ret;
-}
-
/* TODO: This code is quite possibly broken and overflowing stacks. Fix ASAP! */
#pragma GCC diagnostic push
#if defined(__GNUC__) && !defined(__clang__)
@@ -103,34 +91,38 @@ int spi_flash_cmd_write(const struct spi_slave *spi, const u8 *cmd,
}
#pragma GCC diagnostic pop
-static int spi_flash_cmd_read_array(const struct spi_slave *spi, u8 *cmd,
- size_t cmd_len, u32 offset,
- size_t len, void *data)
-{
- spi_flash_addr(offset, cmd);
- return spi_flash_cmd_read(spi, cmd, cmd_len, data, len);
-}
-
/* Perform the read operation honoring spi controller fifo size, reissuing
* the read command until the full request completed. */
-static int spi_flash_cmd_read_array_wrapped(const struct spi_slave *spi,
- u8 *cmd, size_t cmd_len, u32 offset,
- size_t len, void *buf)
+static int spi_flash_read_chunked(const struct spi_flash *flash, u32 offset,
+ size_t len, void *buf)
{
- int ret;
- size_t xfer_len;
- uint8_t *data = buf;
+ u8 cmd[5];
+ int ret, cmd_len;
+ int (*do_cmd)(const struct spi_slave *spi, const void *din,
+ size_t in_bytes, void *out, size_t out_bytes);
+
+ if (CONFIG(SPI_FLASH_NO_FAST_READ)) {
+ cmd_len = 4;
+ cmd[0] = CMD_READ_ARRAY_SLOW;
+ do_cmd = do_spi_flash_cmd;
+ } else {
+ cmd_len = 5;
+ cmd[0] = CMD_READ_ARRAY_FAST;
+ cmd[4] = 0;
+ do_cmd = do_spi_flash_cmd;
+ }
+ uint8_t *data = buf;
while (len) {
- xfer_len = spi_crop_chunk(spi, cmd_len, len);
-
- /* Perform the read. */
- ret = spi_flash_cmd_read_array(spi, cmd, cmd_len,
- offset, xfer_len, data);
-
- if (ret)
+ size_t xfer_len = spi_crop_chunk(&flash->spi, cmd_len, len);
+ spi_flash_addr(offset, cmd);
+ ret = do_cmd(&flash->spi, cmd, cmd_len, data, xfer_len);
+ if (ret) {
+ printk(BIOS_WARNING,
+ "SF: Failed to send read command %#.2x(%#x, %#zx): %d\n",
+ cmd[0], offset, xfer_len, ret);
return ret;
-
+ }
offset += xfer_len;
data += xfer_len;
len -= xfer_len;
@@ -139,28 +131,6 @@ static int spi_flash_cmd_read_array_wrapped(const struct spi_slave *spi,
return 0;
}
-int spi_flash_cmd_read_fast(const struct spi_flash *flash, u32 offset,
- size_t len, void *data)
-{
- u8 cmd[5];
-
- cmd[0] = CMD_READ_ARRAY_FAST;
- cmd[4] = 0x00;
-
- return spi_flash_cmd_read_array_wrapped(&flash->spi, cmd, sizeof(cmd),
- offset, len, data);
-}
-
-int spi_flash_cmd_read_slow(const struct spi_flash *flash, u32 offset,
- size_t len, void *data)
-{
- u8 cmd[4];
-
- cmd[0] = CMD_READ_ARRAY_SLOW;
- return spi_flash_cmd_read_array_wrapped(&flash->spi, cmd, sizeof(cmd),
- offset, len, data);
-}
-
int spi_flash_cmd_poll_bit(const struct spi_flash *flash, unsigned long timeout,
u8 cmd, u8 poll_bit)
{
@@ -174,7 +144,7 @@ int spi_flash_cmd_poll_bit(const struct spi_flash *flash, unsigned long timeout,
mono_time_add_msecs(&end, timeout);
do {
- ret = spi_flash_cmd_read(spi, &cmd, 1, &status, 1);
+ ret = do_spi_flash_cmd(spi, &cmd, 1, &status, 1);
if (ret)
return -1;
if ((status & poll_bit) == 0)
@@ -391,7 +361,10 @@ int spi_flash_probe(unsigned int bus, unsigned int cs, struct spi_flash *flash)
int spi_flash_read(const struct spi_flash *flash, u32 offset, size_t len,
void *buf)
{
- return flash->ops->read(flash, offset, len, buf);
+ if (flash->ops->read)
+ return flash->ops->read(flash, offset, len, buf);
+
+ return spi_flash_read_chunked(flash, offset, len, buf);
}
int spi_flash_write(const struct spi_flash *flash, u32 offset, size_t len,
diff --git a/src/drivers/spi/spi_flash_internal.h b/src/drivers/spi/spi_flash_internal.h
index a89610a7bc..f15c737461 100644
--- a/src/drivers/spi/spi_flash_internal.h
+++ b/src/drivers/spi/spi_flash_internal.h
@@ -34,12 +34,6 @@
/* Send a single-byte command to the device and read the response */
int spi_flash_cmd(const struct spi_slave *spi, u8 cmd, void *response, size_t len);
-int spi_flash_cmd_read_fast(const struct spi_flash *flash, u32 offset,
- size_t len, void *data);
-
-int spi_flash_cmd_read_slow(const struct spi_flash *flash, u32 offset,
- size_t len, void *data);
-
/*
* Send a multi-byte command to the device followed by (optional)
* data. Used for programming the flash array, etc.
diff --git a/src/drivers/spi/sst.c b/src/drivers/spi/sst.c
index e4ea7805dd..abe3f2ace6 100644
--- a/src/drivers/spi/sst.c
+++ b/src/drivers/spi/sst.c
@@ -55,14 +55,12 @@ static const struct spi_flash_ops spi_flash_ops_write_ai = {
.write = sst_write_ai,
.erase = spi_flash_cmd_erase,
.status = spi_flash_cmd_status,
- .read = spi_flash_cmd_read_fast,
};
static const struct spi_flash_ops spi_flash_ops_write_256 = {
.write = sst_write_256,
.erase = spi_flash_cmd_erase,
.status = spi_flash_cmd_status,
- .read = spi_flash_cmd_read_fast,
};
#define SST_SECTOR_SIZE (4 * 1024)
diff --git a/src/drivers/spi/stmicro.c b/src/drivers/spi/stmicro.c
index fb24b27266..6625764268 100644
--- a/src/drivers/spi/stmicro.c
+++ b/src/drivers/spi/stmicro.c
@@ -351,7 +351,6 @@ out:
static const struct spi_flash_ops spi_flash_ops = {
.write = stmicro_write,
.erase = spi_flash_cmd_erase,
- .read = spi_flash_cmd_read_fast,
};
int spi_flash_probe_stmicro(const struct spi_slave *spi, u8 *idcode,
diff --git a/src/drivers/spi/winbond.c b/src/drivers/spi/winbond.c
index 11a518746c..d0ef3cd6e0 100644
--- a/src/drivers/spi/winbond.c
+++ b/src/drivers/spi/winbond.c
@@ -646,11 +646,6 @@ static const struct spi_flash_ops spi_flash_ops = {
.write = winbond_write,
.erase = spi_flash_cmd_erase,
.status = spi_flash_cmd_status,
-#if CONFIG(SPI_FLASH_NO_FAST_READ)
- .read = spi_flash_cmd_read_slow,
-#else
- .read = spi_flash_cmd_read_fast,
-#endif
.get_write_protection = winbond_get_write_protection,
.set_write_protection = winbond_set_write_protection,
};
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-09 07:19:10 +0000