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-rw-r--r--src/flash/nor/Makefile.am4
-rw-r--r--src/flash/nor/spi.c70
-rw-r--r--src/flash/nor/spi.h58
-rw-r--r--src/flash/nor/stmsmi.c66
4 files changed, 134 insertions, 64 deletions
diff --git a/src/flash/nor/Makefile.am b/src/flash/nor/Makefile.am
index fc64602..d26aa20 100644
--- a/src/flash/nor/Makefile.am
+++ b/src/flash/nor/Makefile.am
@@ -22,6 +22,7 @@ NOR_DRIVERS = \
non_cfi.c \
ocl.c \
pic32mx.c \
+ spi.c \
stmsmi.c \
stellaris.c \
stm32f1x.c \
@@ -42,6 +43,7 @@ noinst_HEADERS = \
driver.h \
imp.h \
non_cfi.h \
- ocl.h
+ ocl.h \
+ spi.h
MAINTAINERCLEANFILES = $(srcdir)/Makefile.in
diff --git a/src/flash/nor/spi.c b/src/flash/nor/spi.c
new file mode 100644
index 0000000..7046edd
--- /dev/null
+++ b/src/flash/nor/spi.c
@@ -0,0 +1,70 @@
+/***************************************************************************
+ * Copyright (C) 2012 by George Harris *
+ * george@luminairecoffee.com *
+ * *
+ * Copyright (C) 2010 by Antonio Borneo *
+ * borneo.antonio@gmail.com *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "imp.h"
+#include "spi.h"
+#include <jtag/jtag.h>
+
+ /* Shared table of known SPI flash devices for SPI-based flash drivers. Taken
+ * from device datasheets and Linux SPI flash drivers. */
+struct flash_device flash_devices[] = {
+ /* name, erase_cmd, chip_erase_cmd, device_id, pagesize, sectorsize, size_in_bytes */
+ FLASH_ID("st m25p05", 0xd8, 0xC7, 0x00102020, 0x80, 0x8000, 0x10000),
+ FLASH_ID("st m25p10", 0xd8, 0xC7, 0x00112020, 0x80, 0x8000, 0x20000),
+ FLASH_ID("st m25p20", 0xd8, 0xC7, 0x00122020, 0x100, 0x10000, 0x40000),
+ FLASH_ID("st m25p40", 0xd8, 0xC7, 0x00132020, 0x100, 0x10000, 0x80000),
+ FLASH_ID("st m25p80", 0xd8, 0xC7, 0x00142020, 0x100, 0x10000, 0x100000),
+ FLASH_ID("st m25p16", 0xd8, 0xC7, 0x00152020, 0x100, 0x10000, 0x200000),
+ FLASH_ID("st m25p32", 0xd8, 0xC7, 0x00162020, 0x100, 0x10000, 0x400000),
+ FLASH_ID("st m25p64", 0xd8, 0xC7, 0x00172020, 0x100, 0x10000, 0x800000),
+ FLASH_ID("st m25p128", 0xd8, 0xC7, 0x00182020, 0x100, 0x40000, 0x1000000),
+ FLASH_ID("st m45pe10", 0xd8, 0xd8, 0x00114020, 0x100, 0x10000, 0x20000),
+ FLASH_ID("st m45pe20", 0xd8, 0xd8, 0x00124020, 0x100, 0x10000, 0x40000),
+ FLASH_ID("st m45pe40", 0xd8, 0xd8, 0x00134020, 0x100, 0x10000, 0x80000),
+ FLASH_ID("st m45pe80", 0xd8, 0xd8, 0x00144020, 0x100, 0x10000, 0x100000),
+ FLASH_ID("sp s25fl004", 0xd8, 0xC7, 0x00120201, 0x100, 0x10000, 0x80000),
+ FLASH_ID("sp s25fl008", 0xd8, 0xC7, 0x00130201, 0x100, 0x10000, 0x100000),
+ FLASH_ID("sp s25fl016", 0xd8, 0xC7, 0x00140201, 0x100, 0x10000, 0x200000),
+ FLASH_ID("sp s25fl032", 0xd8, 0xC7, 0x00150201, 0x100, 0x10000, 0x400000),
+ FLASH_ID("sp s25fl064", 0xd8, 0xC7, 0x00160201, 0x100, 0x10000, 0x800000),
+ FLASH_ID("atmel 25f512", 0x52, 0xC7, 0x0065001f, 0x80, 0x8000, 0x10000),
+ FLASH_ID("atmel 25f1024", 0x52, 0x62, 0x0060001f, 0x100, 0x8000, 0x20000),
+ FLASH_ID("atmel 25f2048", 0x52, 0x62, 0x0063001f, 0x100, 0x10000, 0x40000),
+ FLASH_ID("atmel 25f4096", 0x52, 0x62, 0x0064001f, 0x100, 0x10000, 0x80000),
+ FLASH_ID("atmel 25fs040", 0xd7, 0xC7, 0x0004661f, 0x100, 0x10000, 0x80000),
+ FLASH_ID("mac 25l512", 0xd8, 0xC7, 0x001020c2, 0x010, 0x10000, 0x10000),
+ FLASH_ID("mac 25l1005", 0xd8, 0xd8, 0x001120c2, 0x010, 0x10000, 0x20000),
+ FLASH_ID("mac 25l2005", 0xd8, 0xC7, 0x001220c2, 0x010, 0x10000, 0x40000),
+ FLASH_ID("mac 25l4005", 0xd8, 0xC7, 0x001320c2, 0x010, 0x10000, 0x80000),
+ FLASH_ID("mac 25l8005", 0xd8, 0xC7, 0x001420c2, 0x010, 0x10000, 0x100000),
+ FLASH_ID("mac 25l1605", 0xd8, 0xC7, 0x001520c2, 0x100, 0x10000, 0x200000),
+ FLASH_ID("mac 25l3205", 0xd8, 0xC7, 0x001620c2, 0x100, 0x10000, 0x400000),
+ FLASH_ID("mac 25l6405", 0xd8, 0xC7, 0x001720c2, 0x100, 0x10000, 0x800000),
+ FLASH_ID("win w25q32dw", 0xd8, 0xC7, 0x001660ef, 0x100, 0x10000, 0x400000),
+ FLASH_ID(NULL, 0, 0, 0, 0, 0, 0)
+};
diff --git a/src/flash/nor/spi.h b/src/flash/nor/spi.h
new file mode 100644
index 0000000..319b00b
--- /dev/null
+++ b/src/flash/nor/spi.h
@@ -0,0 +1,58 @@
+/***************************************************************************
+ * Copyright (C) 2012 by George Harris *
+ * george@luminairecoffee.com *
+ * *
+ * Copyright (C) 2010 by Antonio Borneo *
+ * borneo.antonio@gmail.com *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+
+/* data structure to maintain flash ids from different vendors */
+struct flash_device {
+ char *name;
+ uint8_t erase_cmd;
+ uint8_t chip_erase_cmd;
+ uint32_t device_id;
+ uint32_t pagesize;
+ unsigned long sectorsize;
+ unsigned long size_in_bytes;
+};
+
+#define FLASH_ID(n, es, ces, id, psize, ssize, size) \
+{ \
+ .name = n, \
+ .erase_cmd = es, \
+ .chip_erase_cmd = ces, \
+ .device_id = id, \
+ .pagesize = psize, \
+ .sectorsize = ssize, \
+ .size_in_bytes = size \
+}
+
+extern struct flash_device flash_devices[];
+
+/* fields in SPI flash status register */
+#define SPIFLASH_BSY_BIT 0x00000001 /* WIP Bit of SPI SR on SMI SR */
+#define SPIFLASH_WE_BIT 0x00000002 /* WEL Bit of SPI SR on SMI SR */
+
+/* SPI Flash Commands */
+#define SPIFLASH_READ_ID 0x9F /* Read Flash Identification */
+#define SPIFLASH_READ_STATUS 0x05 /* Read Status Register */
+#define SPIFLASH_WRITE_ENABLE 0x06 /* Write Enable */
+#define SPIFLASH_PAGE_PROGRAM 0x02 /* Page Program */
+#define SPIFLASH_FAST_READ 0x0B /* Fast Read */
+#define SPIFLASH_READ 0x03 /* Normal Read */
diff --git a/src/flash/nor/stmsmi.c b/src/flash/nor/stmsmi.c
index bf26a8e..dffc9cd 100644
--- a/src/flash/nor/stmsmi.c
+++ b/src/flash/nor/stmsmi.c
@@ -39,6 +39,7 @@
#endif
#include "imp.h"
+#include "spi.h"
#include <jtag/jtag.h>
#include <helper/time_support.h>
@@ -105,8 +106,6 @@
#define SMI_SEL_BANK3 0x00003000 /* Select Bank3 */
/* fields in SMI_SR */
-#define SMI_WIP_BIT 0x00000001 /* WIP Bit of SPI SR on SMI SR */
-#define SMI_WEL_BIT 0x00000002 /* WEL Bit of SPI SR on SMI SR */
#define SMI_TFF 0x00000100 /* Transfer Finished Flag */
/* Commands */
@@ -124,65 +123,6 @@ struct stmsmi_flash_bank {
struct flash_device *dev;
};
-/* data structure to maintain flash ids from different vendors */
-struct flash_device {
- char *name;
- uint8_t erase_cmd;
- uint32_t device_id;
- uint32_t pagesize;
- unsigned long sectorsize;
- unsigned long size_in_bytes;
-};
-
-#define FLASH_ID(n, es, id, psize, ssize, size) \
-{ \
- .name = n, \
- .erase_cmd = es, \
- .device_id = id, \
- .pagesize = psize, \
- .sectorsize = ssize, \
- .size_in_bytes = size \
-}
-
-/* List below is taken from Linux driver. It is not exhaustive of all the
- * possible SPI memories, nor exclusive for SMI. Could be shared with
- * other SPI drivers. */
-static struct flash_device flash_devices[] = {
- /* name, erase_cmd, device_id, pagesize, sectorsize, size_in_bytes */
- FLASH_ID("st m25p05", 0xd8, 0x00102020, 0x80, 0x8000, 0x10000),
- FLASH_ID("st m25p10", 0xd8, 0x00112020, 0x80, 0x8000, 0x20000),
- FLASH_ID("st m25p20", 0xd8, 0x00122020, 0x100, 0x10000, 0x40000),
- FLASH_ID("st m25p40", 0xd8, 0x00132020, 0x100, 0x10000, 0x80000),
- FLASH_ID("st m25p80", 0xd8, 0x00142020, 0x100, 0x10000, 0x100000),
- FLASH_ID("st m25p16", 0xd8, 0x00152020, 0x100, 0x10000, 0x200000),
- FLASH_ID("st m25p32", 0xd8, 0x00162020, 0x100, 0x10000, 0x400000),
- FLASH_ID("st m25p64", 0xd8, 0x00172020, 0x100, 0x10000, 0x800000),
- FLASH_ID("st m25p128", 0xd8, 0x00182020, 0x100, 0x40000, 0x1000000),
- FLASH_ID("st m45pe10", 0xd8, 0x00114020, 0x100, 0x10000, 0x20000),
- FLASH_ID("st m45pe20", 0xd8, 0x00124020, 0x100, 0x10000, 0x40000),
- FLASH_ID("st m45pe40", 0xd8, 0x00134020, 0x100, 0x10000, 0x80000),
- FLASH_ID("st m45pe80", 0xd8, 0x00144020, 0x100, 0x10000, 0x100000),
- FLASH_ID("sp s25fl004", 0xd8, 0x00120201, 0x100, 0x10000, 0x80000),
- FLASH_ID("sp s25fl008", 0xd8, 0x00130201, 0x100, 0x10000, 0x100000),
- FLASH_ID("sp s25fl016", 0xd8, 0x00140201, 0x100, 0x10000, 0x200000),
- FLASH_ID("sp s25fl032", 0xd8, 0x00150201, 0x100, 0x10000, 0x400000),
- FLASH_ID("sp s25fl064", 0xd8, 0x00160201, 0x100, 0x10000, 0x800000),
- FLASH_ID("atmel 25f512", 0x52, 0x0065001f, 0x80, 0x8000, 0x10000),
- FLASH_ID("atmel 25f1024", 0x52, 0x0060001f, 0x100, 0x8000, 0x20000),
- FLASH_ID("atmel 25f2048", 0x52, 0x0063001f, 0x100, 0x10000, 0x40000),
- FLASH_ID("atmel 25f4096", 0x52, 0x0064001f, 0x100, 0x10000, 0x80000),
- FLASH_ID("atmel 25fs040", 0xd7, 0x0004661f, 0x100, 0x10000, 0x80000),
- FLASH_ID("mac 25l512", 0xd8, 0x001020c2, 0x010, 0x10000, 0x10000),
- FLASH_ID("mac 25l1005", 0xd8, 0x001120c2, 0x010, 0x10000, 0x20000),
- FLASH_ID("mac 25l2005", 0xd8, 0x001220c2, 0x010, 0x10000, 0x40000),
- FLASH_ID("mac 25l4005", 0xd8, 0x001320c2, 0x010, 0x10000, 0x80000),
- FLASH_ID("mac 25l8005", 0xd8, 0x001420c2, 0x010, 0x10000, 0x100000),
- FLASH_ID("mac 25l1605", 0xd8, 0x001520c2, 0x100, 0x10000, 0x200000),
- FLASH_ID("mac 25l3205", 0xd8, 0x001620c2, 0x100, 0x10000, 0x400000),
- FLASH_ID("mac 25l6405", 0xd8, 0x001720c2, 0x100, 0x10000, 0x800000),
- FLASH_ID(NULL, 0, 0, 0, 0, 0)
-};
-
struct stmsmi_target {
char *name;
uint32_t tap_idcode;
@@ -282,7 +222,7 @@ static int wait_till_ready(struct flash_bank *bank, int timeout)
if (retval != ERROR_OK)
return retval;
- if ((status & SMI_WIP_BIT) == 0)
+ if ((status & SPIFLASH_BSY_BIT) == 0)
return ERROR_OK;
alive_sleep(1);
} while (timeval_ms() < endtime);
@@ -320,7 +260,7 @@ static int smi_write_enable(struct flash_bank *bank)
return retval;
/* Check write enabled */
- if ((status & SMI_WEL_BIT) == 0) {
+ if ((status & SPIFLASH_WE_BIT) == 0) {
LOG_ERROR("Cannot enable write to flash. Status=0x%08" PRIx32, status);
return ERROR_FAIL;
}
generated by cgit v1.1 at 2024-11-17 09:11:21 +0000