X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fflash%2Fnor%2Fcfi.c;h=0ae72d4a28be45756f8f122e8ea6d5552099577b;hp=9fe1173af7572ccbf5504b27125dd5ba8dbb5bbe;hb=f9d7554ee490e39a5cba3cd4eb2c28ec72ba407f;hpb=08d4411b59dd8bd0e7d8009003b71d23acbf6eee
diff --git a/src/flash/nor/cfi.c b/src/flash/nor/cfi.c
index 9fe1173af7..0ae72d4a28 100644
--- a/src/flash/nor/cfi.c
+++ b/src/flash/nor/cfi.c
@@ -17,9 +17,7 @@
* 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., *
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
+ * along with this program. If not, see . *
***************************************************************************/
#ifdef HAVE_CONFIG_H
@@ -46,16 +44,19 @@
#define AT49BV6416 0x00d6
#define AT49BV6416T 0x00d2
-static struct cfi_unlock_addresses cfi_unlock_addresses[] = {
+static const struct cfi_unlock_addresses cfi_unlock_addresses[] = {
[CFI_UNLOCK_555_2AA] = { .unlock1 = 0x555, .unlock2 = 0x2aa },
[CFI_UNLOCK_5555_2AAA] = { .unlock1 = 0x5555, .unlock2 = 0x2aaa },
};
+static const int cfi_status_poll_mask_dq6_dq7 = CFI_STATUS_POLL_MASK_DQ6_DQ7;
+
/* CFI fixups forward declarations */
-static void cfi_fixup_0002_erase_regions(struct flash_bank *bank, void *param);
-static void cfi_fixup_0002_unlock_addresses(struct flash_bank *bank, void *param);
-static void cfi_fixup_reversed_erase_regions(struct flash_bank *bank, void *param);
-static void cfi_fixup_0002_write_buffer(struct flash_bank *bank, void *param);
+static void cfi_fixup_0002_erase_regions(struct flash_bank *bank, const void *param);
+static void cfi_fixup_0002_unlock_addresses(struct flash_bank *bank, const void *param);
+static void cfi_fixup_reversed_erase_regions(struct flash_bank *bank, const void *param);
+static void cfi_fixup_0002_write_buffer(struct flash_bank *bank, const void *param);
+static void cfi_fixup_0002_polling_bits(struct flash_bank *bank, const void *param);
/* fixup after reading cmdset 0002 primary query table */
static const struct cfi_fixup cfi_0002_fixups[] = {
@@ -71,6 +72,8 @@ static const struct cfi_fixup cfi_0002_fixups[] = {
&cfi_unlock_addresses[CFI_UNLOCK_5555_2AAA]},
{CFI_MFR_SST, 0x274b, cfi_fixup_0002_unlock_addresses,
&cfi_unlock_addresses[CFI_UNLOCK_5555_2AAA]},
+ {CFI_MFR_SST, 0x235f, cfi_fixup_0002_polling_bits, /* 39VF3201C */
+ &cfi_status_poll_mask_dq6_dq7},
{CFI_MFR_SST, 0x236d, cfi_fixup_0002_unlock_addresses,
&cfi_unlock_addresses[CFI_UNLOCK_555_2AA]},
{CFI_MFR_ATMEL, 0x00C8, cfi_fixup_reversed_erase_regions, NULL},
@@ -131,6 +134,7 @@ static inline uint32_t flash_address(struct flash_bank *bank, int sector, uint32
static void cfi_command(struct flash_bank *bank, uint8_t cmd, uint8_t *cmd_buf)
{
int i;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
/* clear whole buffer, to ensure bits that exceed the bus_width
* are set to zero
@@ -138,7 +142,7 @@ static void cfi_command(struct flash_bank *bank, uint8_t cmd, uint8_t *cmd_buf)
for (i = 0; i < CFI_MAX_BUS_WIDTH; i++)
cmd_buf[i] = 0;
- if (bank->target->endianness == TARGET_LITTLE_ENDIAN) {
+ if (cfi_info->endianness == TARGET_LITTLE_ENDIAN) {
for (i = bank->bus_width; i > 0; i--)
*cmd_buf++ = (i & (bank->chip_width - 1)) ? 0x0 : cmd;
} else {
@@ -162,6 +166,7 @@ static int cfi_send_command(struct flash_bank *bank, uint8_t cmd, uint32_t addre
static int cfi_query_u8(struct flash_bank *bank, int sector, uint32_t offset, uint8_t *val)
{
struct target *target = bank->target;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
uint8_t data[CFI_MAX_BUS_WIDTH];
int retval;
@@ -170,7 +175,7 @@ static int cfi_query_u8(struct flash_bank *bank, int sector, uint32_t offset, ui
if (retval != ERROR_OK)
return retval;
- if (bank->target->endianness == TARGET_LITTLE_ENDIAN)
+ if (cfi_info->endianness == TARGET_LITTLE_ENDIAN)
*val = data[0];
else
*val = data[bank->bus_width - 1];
@@ -185,6 +190,7 @@ static int cfi_query_u8(struct flash_bank *bank, int sector, uint32_t offset, ui
static int cfi_get_u8(struct flash_bank *bank, int sector, uint32_t offset, uint8_t *val)
{
struct target *target = bank->target;
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
uint8_t data[CFI_MAX_BUS_WIDTH];
int i;
@@ -194,7 +200,7 @@ static int cfi_get_u8(struct flash_bank *bank, int sector, uint32_t offset, uint
if (retval != ERROR_OK)
return retval;
- if (bank->target->endianness == TARGET_LITTLE_ENDIAN) {
+ if (cfi_info->endianness == TARGET_LITTLE_ENDIAN) {
for (i = 0; i < bank->bus_width / bank->chip_width; i++)
data[0] |= data[i];
@@ -231,7 +237,7 @@ static int cfi_query_u16(struct flash_bank *bank, int sector, uint32_t offset, u
return retval;
}
- if (bank->target->endianness == TARGET_LITTLE_ENDIAN)
+ if (cfi_info->endianness == TARGET_LITTLE_ENDIAN)
*val = data[0] | data[bank->bus_width] << 8;
else
*val = data[bank->bus_width - 1] | data[(2 * bank->bus_width) - 1] << 8;
@@ -261,7 +267,7 @@ static int cfi_query_u32(struct flash_bank *bank, int sector, uint32_t offset, u
return retval;
}
- if (bank->target->endianness == TARGET_LITTLE_ENDIAN)
+ if (cfi_info->endianness == TARGET_LITTLE_ENDIAN)
*val = data[0] | data[bank->bus_width] << 8 |
data[bank->bus_width * 2] << 16 | data[bank->bus_width * 3] << 24;
else
@@ -522,6 +528,11 @@ static int cfi_read_spansion_pri_ext(struct flash_bank *bank)
if (retval != ERROR_OK)
return retval;
+ /* default values for implementation specific workarounds */
+ pri_ext->_unlock1 = cfi_unlock_addresses[CFI_UNLOCK_555_2AA].unlock1;
+ pri_ext->_unlock2 = cfi_unlock_addresses[CFI_UNLOCK_555_2AA].unlock2;
+ pri_ext->_reversed_geometry = 0;
+
if ((pri_ext->pri[0] != 'P') || (pri_ext->pri[1] != 'R') || (pri_ext->pri[2] != 'I')) {
retval = cfi_send_command(bank, 0xf0, flash_address(bank, 0, 0x0));
if (retval != ERROR_OK)
@@ -590,11 +601,6 @@ static int cfi_read_spansion_pri_ext(struct flash_bank *bank)
LOG_DEBUG("WP# protection 0x%x", pri_ext->TopBottom);
- /* default values for implementation specific workarounds */
- pri_ext->_unlock1 = cfi_unlock_addresses[CFI_UNLOCK_555_2AA].unlock1;
- pri_ext->_unlock2 = cfi_unlock_addresses[CFI_UNLOCK_555_2AA].unlock2;
- pri_ext->_reversed_geometry = 0;
-
return ERROR_OK;
}
@@ -798,6 +804,7 @@ static int cfi_intel_info(struct flash_bank *bank, char *buf, int buf_size)
FLASH_BANK_COMMAND_HANDLER(cfi_flash_bank_command)
{
struct cfi_flash_bank *cfi_info;
+ int bus_swap = 0;
if (CMD_ARGC < 6)
return ERROR_COMMAND_SYNTAX_ERROR;
@@ -827,14 +834,26 @@ FLASH_BANK_COMMAND_HANDLER(cfi_flash_bank_command)
cfi_info->x16_as_x8 = 0;
cfi_info->jedec_probe = 0;
cfi_info->not_cfi = 0;
+ cfi_info->data_swap = 0;
for (unsigned i = 6; i < CMD_ARGC; i++) {
if (strcmp(CMD_ARGV[i], "x16_as_x8") == 0)
cfi_info->x16_as_x8 = 1;
+ else if (strcmp(CMD_ARGV[i], "data_swap") == 0)
+ cfi_info->data_swap = 1;
+ else if (strcmp(CMD_ARGV[i], "bus_swap") == 0)
+ bus_swap = 1;
else if (strcmp(CMD_ARGV[i], "jedec_probe") == 0)
cfi_info->jedec_probe = 1;
}
+ if (bus_swap)
+ cfi_info->endianness =
+ bank->target->endianness == TARGET_LITTLE_ENDIAN ?
+ TARGET_BIG_ENDIAN : TARGET_LITTLE_ENDIAN;
+ else
+ cfi_info->endianness = bank->target->endianness;
+
/* bank wasn't probed yet */
cfi_info->qry[0] = 0xff;
@@ -1098,19 +1117,6 @@ static int cfi_protect(struct flash_bank *bank, int set, int first, int last)
}
}
-/* Convert code image to target endian
- * FIXME create general block conversion fcts in target.c?) */
-static void cfi_fix_code_endian(struct target *target, uint8_t *dest,
- const uint32_t *src, uint32_t count)
-{
- uint32_t i;
- for (i = 0; i < count; i++) {
- target_buffer_set_u32(target, dest, *src);
- dest += 4;
- src++;
- }
-}
-
static uint32_t cfi_command_val(struct flash_bank *bank, uint8_t cmd)
{
struct target *target = bank->target;
@@ -1134,7 +1140,7 @@ static uint32_t cfi_command_val(struct flash_bank *bank, uint8_t cmd)
}
}
-static int cfi_intel_write_block(struct flash_bank *bank, uint8_t *buffer,
+static int cfi_intel_write_block(struct flash_bank *bank, const uint8_t *buffer,
uint32_t address, uint32_t count)
{
struct target *target = bank->target;
@@ -1221,7 +1227,7 @@ static int cfi_intel_write_block(struct flash_bank *bank, uint8_t *buffer,
arm_algo.core_state = ARM_STATE_ARM;
} else {
LOG_ERROR("Unknown architecture");
- return ERROR_FAIL;
+ return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
cfi_intel_clear_status_register(bank);
@@ -1259,7 +1265,8 @@ static int cfi_intel_write_block(struct flash_bank *bank, uint8_t *buffer,
"Increase CFI_MAX_INTEL_CODESIZE and recompile.");
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
- cfi_fix_code_endian(target, target_code, target_code_src, target_code_size / 4);
+
+ target_buffer_set_u32_array(target, target_code, target_code_size / 4, target_code_src);
/* Get memory for block write handler */
retval = target_alloc_working_area(target,
@@ -1269,7 +1276,6 @@ static int cfi_intel_write_block(struct flash_bank *bank, uint8_t *buffer,
LOG_WARNING("No working area available, can't do block memory writes");
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
- ;
/* write algorithm code to working area */
retval = target_write_buffer(target, write_algorithm->address,
@@ -1291,7 +1297,6 @@ static int cfi_intel_write_block(struct flash_bank *bank, uint8_t *buffer,
goto cleanup;
}
}
- ;
/* setup algo registers */
init_reg_param(®_params[0], "r0", 32, PARAM_OUT);
@@ -1307,7 +1312,7 @@ static int cfi_intel_write_block(struct flash_bank *bank, uint8_t *buffer,
busy_pattern_val = cfi_command_val(bank, 0x80);
error_pattern_val = cfi_command_val(bank, 0x7e);
- LOG_DEBUG("Using target buffer at 0x%08" PRIx32 " and of size 0x%04" PRIx32,
+ LOG_DEBUG("Using target buffer at " TARGET_ADDR_FMT " and of size 0x%04" PRIx32,
source->address, buffer_size);
/* Programming main loop */
@@ -1386,7 +1391,7 @@ cleanup:
return retval;
}
-static int cfi_spansion_write_block_mips(struct flash_bank *bank, uint8_t *buffer,
+static int cfi_spansion_write_block_mips(struct flash_bank *bank, const uint8_t *buffer,
uint32_t address, uint32_t count)
{
struct cfi_flash_bank *cfi_info = bank->driver_priv;
@@ -1419,50 +1424,50 @@ static int cfi_spansion_write_block_mips(struct flash_bank *bank, uint8_t *buffe
static const uint32_t mips_word_16_code[] = {
/* start: */
- MIPS32_LHU(9, 0, 4), /* lhu $t1, ($a0) ; out = &saddr */
- MIPS32_ADDI(4, 4, 2), /* addi $a0, $a0, 2 ; saddr += 2 */
- MIPS32_SH(13, 0, 12), /* sh $t5, ($t4) ; *fl_unl_addr1 = fl_unl_cmd1 */
- MIPS32_SH(15, 0, 14), /* sh $t7, ($t6) ; *fl_unl_addr2 = fl_unl_cmd2 */
- MIPS32_SH(7, 0, 12), /* sh $a3, ($t4) ; *fl_unl_addr1 = fl_write_cmd */
- MIPS32_SH(9, 0, 5), /* sh $t1, ($a1) ; *daddr = out */
+ MIPS32_LHU(0, 9, 0, 4), /* lhu $t1, ($a0) ; out = &saddr */
+ MIPS32_ADDI(0, 4, 4, 2), /* addi $a0, $a0, 2 ; saddr += 2 */
+ MIPS32_SH(0, 13, 0, 12), /* sh $t5, ($t4) ; *fl_unl_addr1 = fl_unl_cmd1 */
+ MIPS32_SH(0, 15, 0, 14), /* sh $t7, ($t6) ; *fl_unl_addr2 = fl_unl_cmd2 */
+ MIPS32_SH(0, 7, 0, 12), /* sh $a3, ($t4) ; *fl_unl_addr1 = fl_write_cmd */
+ MIPS32_SH(0, 9, 0, 5), /* sh $t1, ($a1) ; *daddr = out */
MIPS32_NOP, /* nop */
/* busy: */
- MIPS32_LHU(10, 0, 5), /* lhu $t2, ($a1) ; temp1 = *daddr */
- MIPS32_XOR(11, 9, 10), /* xor $t3, $a0, $t2 ; temp2 = out ^ temp1; */
- MIPS32_AND(11, 8, 11), /* and $t3, $t0, $t3 ; temp2 = temp2 & DQ7mask */
- MIPS32_BNE(11, 8, 13), /* bne $t3, $t0, cont ; if (temp2 != DQ7mask) goto cont */
- MIPS32_NOP, /* nop */
-
- MIPS32_SRL(10, 8, 2), /* srl $t2,$t0,2 ; temp1 = DQ7mask >> 2 */
- MIPS32_AND(11, 10, 11), /* and $t3, $t2, $t3 ; temp2 = temp2 & temp1 */
- MIPS32_BNE(11, 10, NEG16(8)), /* bne $t3, $t2, busy ; if (temp2 != temp1) goto busy */
- MIPS32_NOP, /* nop */
-
- MIPS32_LHU(10, 0, 5), /* lhu $t2, ($a1) ; temp1 = *daddr */
- MIPS32_XOR(11, 9, 10), /* xor $t3, $a0, $t2 ; temp2 = out ^ temp1; */
- MIPS32_AND(11, 8, 11), /* and $t3, $t0, $t3 ; temp2 = temp2 & DQ7mask */
- MIPS32_BNE(11, 8, 4), /* bne $t3, $t0, cont ; if (temp2 != DQ7mask) goto cont */
+ MIPS32_LHU(0, 10, 0, 5), /* lhu $t2, ($a1) ; temp1 = *daddr */
+ MIPS32_XOR(0, 11, 9, 10), /* xor $t3, $a0, $t2 ; temp2 = out ^ temp1; */
+ MIPS32_AND(0, 11, 8, 11), /* and $t3, $t0, $t3 ; temp2 = temp2 & DQ7mask */
+ MIPS32_BNE(0, 11, 8, 13), /* bne $t3, $t0, cont ; if (temp2 != DQ7mask) goto cont */
+ MIPS32_NOP, /* nop */
+
+ MIPS32_SRL(0, 10, 8, 2), /* srl $t2,$t0,2 ; temp1 = DQ7mask >> 2 */
+ MIPS32_AND(0, 11, 10, 11), /* and $t3, $t2, $t3 ; temp2 = temp2 & temp1 */
+ MIPS32_BNE(0, 11, 10, NEG16(8)), /* bne $t3, $t2, busy ; if (temp2 != temp1) goto busy */
+ MIPS32_NOP, /* nop */
+
+ MIPS32_LHU(0, 10, 0, 5), /* lhu $t2, ($a1) ; temp1 = *daddr */
+ MIPS32_XOR(0, 11, 9, 10), /* xor $t3, $a0, $t2 ; temp2 = out ^ temp1; */
+ MIPS32_AND(0, 11, 8, 11), /* and $t3, $t0, $t3 ; temp2 = temp2 & DQ7mask */
+ MIPS32_BNE(0, 11, 8, 4), /* bne $t3, $t0, cont ; if (temp2 != DQ7mask) goto cont */
MIPS32_NOP, /* nop */
- MIPS32_XOR(9, 9, 9), /* xor $t1, $t1, $t1 ; out = 0 */
- MIPS32_BEQ(9, 0, 11), /* beq $t1, $zero, done ; if (out == 0) goto done */
+ MIPS32_XOR(0, 9, 9, 9), /* xor $t1, $t1, $t1 ; out = 0 */
+ MIPS32_BEQ(0, 9, 0, 11), /* beq $t1, $zero, done ; if (out == 0) goto done */
MIPS32_NOP, /* nop */
/* cont: */
- MIPS32_ADDI(6, 6, NEG16(1)), /* addi, $a2, $a2, -1 ; numwrites-- */
- MIPS32_BNE(6, 0, 5), /* bne $a2, $zero, cont2 ; if (numwrite != 0) goto cont2 */
+ MIPS32_ADDI(0, 6, 6, NEG16(1)), /* addi, $a2, $a2, -1 ; numwrites-- */
+ MIPS32_BNE(0, 6, 0, 5), /* bne $a2, $zero, cont2 ; if (numwrite != 0) goto cont2 */
MIPS32_NOP, /* nop */
- MIPS32_LUI(9, 0), /* lui $t1, 0 */
- MIPS32_ORI(9, 9, 0x80), /* ori $t1, $t1, 0x80 ; out = 0x80 */
+ MIPS32_LUI(0, 9, 0), /* lui $t1, 0 */
+ MIPS32_ORI(0, 9, 9, 0x80), /* ori $t1, $t1, 0x80 ; out = 0x80 */
- MIPS32_B(4), /* b done ; goto done */
+ MIPS32_B(0, 4), /* b done ; goto done */
MIPS32_NOP, /* nop */
/* cont2: */
- MIPS32_ADDI(5, 5, 2), /* addi $a0, $a0, 2 ; daddr += 2 */
- MIPS32_B(NEG16(33)), /* b start ; goto start */
+ MIPS32_ADDI(0, 5, 5, 2), /* addi $a0, $a0, 2 ; daddr += 2 */
+ MIPS32_B(0, NEG16(33)), /* b start ; goto start */
MIPS32_NOP, /* nop */
/* done: */
- MIPS32_SDBBP, /* sdbbp ; break(); */
+ MIPS32_SDBBP(0), /* sdbbp ; break(); */
};
mips32_info.common_magic = MIPS32_COMMON_MAGIC;
@@ -1499,7 +1504,8 @@ static int cfi_spansion_write_block_mips(struct flash_bank *bank, uint8_t *buffe
LOG_ERROR("Out of memory");
return ERROR_FAIL;
}
- cfi_fix_code_endian(target, target_code, target_code_src, target_code_size / 4);
+
+ target_buffer_set_u32_array(target, target_code, target_code_size / 4, target_code_src);
/* allocate working area */
retval = target_alloc_working_area(target, target_code_size,
@@ -1533,18 +1539,17 @@ static int cfi_spansion_write_block_mips(struct flash_bank *bank, uint8_t *buffe
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
}
- ;
- init_reg_param(®_params[0], "a0", 32, PARAM_OUT);
- init_reg_param(®_params[1], "a1", 32, PARAM_OUT);
- init_reg_param(®_params[2], "a2", 32, PARAM_OUT);
- init_reg_param(®_params[3], "a3", 32, PARAM_OUT);
- init_reg_param(®_params[4], "t0", 32, PARAM_OUT);
- init_reg_param(®_params[5], "t1", 32, PARAM_IN);
- init_reg_param(®_params[6], "t4", 32, PARAM_OUT);
- init_reg_param(®_params[7], "t5", 32, PARAM_OUT);
- init_reg_param(®_params[8], "t6", 32, PARAM_OUT);
- init_reg_param(®_params[9], "t7", 32, PARAM_OUT);
+ init_reg_param(®_params[0], "r4", 32, PARAM_OUT);
+ init_reg_param(®_params[1], "r5", 32, PARAM_OUT);
+ init_reg_param(®_params[2], "r6", 32, PARAM_OUT);
+ init_reg_param(®_params[3], "r7", 32, PARAM_OUT);
+ init_reg_param(®_params[4], "r8", 32, PARAM_OUT);
+ init_reg_param(®_params[5], "r9", 32, PARAM_IN);
+ init_reg_param(®_params[6], "r12", 32, PARAM_OUT);
+ init_reg_param(®_params[7], "r13", 32, PARAM_OUT);
+ init_reg_param(®_params[8], "r14", 32, PARAM_OUT);
+ init_reg_param(®_params[9], "r15", 32, PARAM_OUT);
while (count > 0) {
uint32_t thisrun_count = (count > buffer_size) ? buffer_size : count;
@@ -1598,7 +1603,7 @@ static int cfi_spansion_write_block_mips(struct flash_bank *bank, uint8_t *buffe
return retval;
}
-static int cfi_spansion_write_block(struct flash_bank *bank, uint8_t *buffer,
+static int cfi_spansion_write_block(struct flash_bank *bank, const uint8_t *buffer,
uint32_t address, uint32_t count)
{
struct cfi_flash_bank *cfi_info = bank->driver_priv;
@@ -1695,7 +1700,7 @@ static int cfi_spansion_write_block(struct flash_bank *bank, uint8_t *buffer,
0xeafffffe /* b 81ac */
};
- /* see contib/loaders/flash/armv7m_cfi_span_16.s for src */
+ /* see contrib/loaders/flash/armv7m_cfi_span_16.s for src */
static const uint32_t armv7m_word_16_code[] = {
0x5B02F830,
0x9000F8A8,
@@ -1717,7 +1722,36 @@ static int cfi_spansion_write_block(struct flash_bank *bank, uint8_t *buffer,
0x0000BE00
};
- /* see contib/loaders/flash/armv4_5_cfi_span_16_dq7.s for src */
+ /* see contrib/loaders/flash/armv7m_cfi_span_16_dq7.s for src */
+ static const uint32_t armv7m_word_16_code_dq7only[] = {
+ /* 00000000 : */
+ 0x5B02F830, /* ldrh.w r5, [r0], #2 */
+ 0x9000F8A8, /* strh.w r9, [r8] */
+ 0xB000F8AA, /* strh.w fp, [sl] */
+ 0x3000F8A8, /* strh.w r3, [r8] */
+ 0xBF00800D, /* strh r5, [r1, #0] */
+ /* nop */
+
+ /* 00000014 : */
+ 0xEA85880E, /* ldrh r6, [r1, #0] */
+ /* eor.w r7, r5, r6 */
+ 0x40270706, /* ands r7, r4 */
+ 0x3A01D1FA, /* bne.n 14 */
+ /* subs r2, #1 */
+ 0xF101D002, /* beq.n 28 */
+ 0xE7EB0102, /* add.w r1, r1, #2 */
+ /* b.n 0 */
+
+ /* 00000028 : */
+ 0x0580F04F, /* mov.w r5, #128 */
+ 0xBF00E7FF, /* b.n 30 */
+ /* nop (for alignment purposes) */
+
+ /* 00000030 : */
+ 0x0000BE00 /* bkpt 0x0000 */
+ };
+
+ /* see contrib/loaders/flash/armv4_5_cfi_span_16_dq7.s for src */
static const uint32_t armv4_5_word_16_code_dq7only[] = {
/* : */
0xe0d050b2, /* ldrh r5, [r0], #2 */
@@ -1741,7 +1775,7 @@ static int cfi_spansion_write_block(struct flash_bank *bank, uint8_t *buffer,
0xeafffffe /* b 81ac */
};
- /* see contib/loaders/flash/armv4_5_cfi_span_8.s for src */
+ /* see contrib/loaders/flash/armv4_5_cfi_span_8.s for src */
static const uint32_t armv4_5_word_8_code[] = {
/* 000081b0 : */
0xe4d05001, /* ldrb r5, [r0], #1 */
@@ -1788,7 +1822,7 @@ static int cfi_spansion_write_block(struct flash_bank *bank, uint8_t *buffer,
arm_algo = &armv4_5_algo;
} else {
LOG_ERROR("Unknown architecture");
- return ERROR_FAIL;
+ return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
int target_code_size = 0;
@@ -1817,11 +1851,13 @@ static int cfi_spansion_write_block(struct flash_bank *bank, uint8_t *buffer,
} else {
/* No DQ5 support. Use DQ7 DATA# polling only. */
if (is_armv7m(target_to_armv7m(target))) {
- LOG_ERROR("Unknown ARM architecture");
- return ERROR_FAIL;
+ /* armv7m target */
+ target_code_src = armv7m_word_16_code_dq7only;
+ target_code_size = sizeof(armv7m_word_16_code_dq7only);
+ } else { /* armv4_5 target */
+ target_code_src = armv4_5_word_16_code_dq7only;
+ target_code_size = sizeof(armv4_5_word_16_code_dq7only);
}
- target_code_src = armv4_5_word_16_code_dq7only;
- target_code_size = sizeof(armv4_5_word_16_code_dq7only);
}
break;
case 4:
@@ -1847,7 +1883,8 @@ static int cfi_spansion_write_block(struct flash_bank *bank, uint8_t *buffer,
LOG_ERROR("Out of memory");
return ERROR_FAIL;
}
- cfi_fix_code_endian(target, target_code, target_code_src, target_code_size / 4);
+
+ target_buffer_set_u32_array(target, target_code, target_code_size / 4, target_code_src);
/* allocate working area */
retval = target_alloc_working_area(target, target_code_size,
@@ -1881,7 +1918,6 @@ static int cfi_spansion_write_block(struct flash_bank *bank, uint8_t *buffer,
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
}
- ;
init_reg_param(®_params[0], "r0", 32, PARAM_OUT);
init_reg_param(®_params[1], "r1", 32, PARAM_OUT);
@@ -1963,7 +1999,9 @@ static int cfi_intel_write_word(struct flash_bank *bank, uint8_t *word, uint32_t
uint8_t status;
retval = cfi_intel_wait_status_busy(bank, cfi_info->word_write_timeout, &status);
- if (retval != 0x80) {
+ if (retval != ERROR_OK)
+ return retval;
+ if (status != 0x80) {
retval = cfi_send_command(bank, 0xff, flash_address(bank, 0, 0x0));
if (retval != ERROR_OK)
return retval;
@@ -1976,7 +2014,7 @@ static int cfi_intel_write_word(struct flash_bank *bank, uint8_t *word, uint32_t
return ERROR_OK;
}
-static int cfi_intel_write_words(struct flash_bank *bank, uint8_t *word,
+static int cfi_intel_write_words(struct flash_bank *bank, const uint8_t *word,
uint32_t wordcount, uint32_t address)
{
int retval;
@@ -2096,7 +2134,7 @@ static int cfi_spansion_write_word(struct flash_bank *bank, uint8_t *word, uint3
return ERROR_OK;
}
-static int cfi_spansion_write_words(struct flash_bank *bank, uint8_t *word,
+static int cfi_spansion_write_words(struct flash_bank *bank, const uint8_t *word,
uint32_t wordcount, uint32_t address)
{
int retval;
@@ -2189,7 +2227,7 @@ static int cfi_write_word(struct flash_bank *bank, uint8_t *word, uint32_t addre
return ERROR_FLASH_OPERATION_FAILED;
}
-static int cfi_write_words(struct flash_bank *bank, uint8_t *word,
+static int cfi_write_words(struct flash_bank *bank, const uint8_t *word,
uint32_t wordcount, uint32_t address)
{
struct cfi_flash_bank *cfi_info = bank->driver_priv;
@@ -2271,7 +2309,7 @@ static int cfi_read(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, u
}
if (count) {
- LOG_INFO("Fixup %d unaligned read tail bytes", count);
+ LOG_INFO("Fixup %" PRIu32 " unaligned read tail bytes", count);
/* read a complete word from flash */
retval = target_read_memory(target, read_p, bank->bus_width, 1, current_word);
@@ -2286,7 +2324,7 @@ static int cfi_read(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, u
return ERROR_OK;
}
-static int cfi_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
+static int cfi_write(struct flash_bank *bank, const uint8_t *buffer, uint32_t offset, uint32_t count)
{
struct cfi_flash_bank *cfi_info = bank->driver_priv;
struct target *target = bank->target;
@@ -2296,6 +2334,8 @@ static int cfi_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset,
int blk_count; /* number of bus_width bytes for block copy */
uint8_t current_word[CFI_MAX_BUS_WIDTH * 4]; /* word (bus_width size) currently being
*programmed */
+ uint8_t *swapped_buffer = NULL;
+ const uint8_t *real_buffer = NULL;
int i;
int retval;
@@ -2322,8 +2362,14 @@ static int cfi_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset,
return retval;
/* replace only bytes that must be written */
- for (i = align; (i < bank->bus_width) && (count > 0); i++, count--)
- current_word[i] = *buffer++;
+ for (i = align;
+ (i < bank->bus_width) && (count > 0);
+ i++, count--)
+ if (cfi_info->data_swap)
+ /* data bytes are swapped (reverse endianness) */
+ current_word[bank->bus_width - i] = *buffer++;
+ else
+ current_word[i] = *buffer++;
retval = cfi_write_word(bank, current_word, write_p);
if (retval != ERROR_OK)
@@ -2331,6 +2377,22 @@ static int cfi_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset,
write_p += bank->bus_width;
}
+ if (cfi_info->data_swap && count) {
+ swapped_buffer = malloc(count & ~(bank->bus_width - 1));
+ switch (bank->bus_width) {
+ case 2:
+ buf_bswap16(swapped_buffer, buffer,
+ count & ~(bank->bus_width - 1));
+ break;
+ case 4:
+ buf_bswap32(swapped_buffer, buffer,
+ count & ~(bank->bus_width - 1));
+ break;
+ }
+ real_buffer = buffer;
+ buffer = swapped_buffer;
+ }
+
/* handle blocks of bus_size aligned bytes */
blk_count = count & ~(bank->bus_width - 1); /* round down, leave tail bytes */
switch (cfi_info->pri_id) {
@@ -2400,6 +2462,11 @@ static int cfi_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset,
return retval;
}
+ if (swapped_buffer) {
+ buffer = real_buffer + (buffer - swapped_buffer);
+ free(swapped_buffer);
+ }
+
/* return to read array mode, so we can read from flash again for padding */
retval = cfi_reset(bank);
if (retval != ERROR_OK)
@@ -2416,7 +2483,11 @@ static int cfi_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset,
/* replace only bytes that must be written */
for (i = 0; (i < bank->bus_width) && (count > 0); i++, count--)
- current_word[i] = *buffer++;
+ if (cfi_info->data_swap)
+ /* data bytes are swapped (reverse endianness) */
+ current_word[bank->bus_width - i] = *buffer++;
+ else
+ current_word[i] = *buffer++;
retval = cfi_write_word(bank, current_word, write_p);
if (retval != ERROR_OK)
@@ -2427,7 +2498,7 @@ static int cfi_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset,
return cfi_reset(bank);
}
-static void cfi_fixup_reversed_erase_regions(struct flash_bank *bank, void *param)
+static void cfi_fixup_reversed_erase_regions(struct flash_bank *bank, const void *param)
{
(void) param;
struct cfi_flash_bank *cfi_info = bank->driver_priv;
@@ -2436,7 +2507,7 @@ static void cfi_fixup_reversed_erase_regions(struct flash_bank *bank, void *para
pri_ext->_reversed_geometry = 1;
}
-static void cfi_fixup_0002_erase_regions(struct flash_bank *bank, void *param)
+static void cfi_fixup_0002_erase_regions(struct flash_bank *bank, const void *param)
{
int i;
struct cfi_flash_bank *cfi_info = bank->driver_priv;
@@ -2457,16 +2528,24 @@ static void cfi_fixup_0002_erase_regions(struct flash_bank *bank, void *param)
}
}
-static void cfi_fixup_0002_unlock_addresses(struct flash_bank *bank, void *param)
+static void cfi_fixup_0002_unlock_addresses(struct flash_bank *bank, const void *param)
{
struct cfi_flash_bank *cfi_info = bank->driver_priv;
struct cfi_spansion_pri_ext *pri_ext = cfi_info->pri_ext;
- struct cfi_unlock_addresses *unlock_addresses = param;
+ const struct cfi_unlock_addresses *unlock_addresses = param;
pri_ext->_unlock1 = unlock_addresses->unlock1;
pri_ext->_unlock2 = unlock_addresses->unlock2;
}
+static void cfi_fixup_0002_polling_bits(struct flash_bank *bank, const void *param)
+{
+ struct cfi_flash_bank *cfi_info = bank->driver_priv;
+ const int *status_poll_mask = param;
+
+ cfi_info->status_poll_mask = *status_poll_mask;
+}
+
static int cfi_query_string(struct flash_bank *bank, int address)
{
@@ -3028,7 +3107,7 @@ static int get_cfi_info(struct flash_bank *bank, char *buf, int buf_size)
return ERROR_OK;
}
-static void cfi_fixup_0002_write_buffer(struct flash_bank *bank, void *param)
+static void cfi_fixup_0002_write_buffer(struct flash_bank *bank, const void *param)
{
struct cfi_flash_bank *cfi_info = bank->driver_priv;
@@ -3049,4 +3128,5 @@ struct flash_driver cfi_flash = {
.erase_check = default_flash_blank_check,
.protect_check = cfi_protect_check,
.info = get_cfi_info,
+ .free_driver_priv = default_flash_free_driver_priv,
};