From fc1063a1b9df5857ee3f1c18f88e5b821b5f0960 Mon Sep 17 00:00:00 2001 From: Antonio Borneo Date: Mon, 8 Mar 2010 18:31:27 +0100 Subject: [PATCH] cfi: simplify and clearify code MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit At the end I have added comments /* FIXME: to be removed */ There are 3 lines in which my simplification is not complete due to data dependency with LOG_DEBUG() messages visible in the patch. Such log_debug has been introduced on Jan 22, 2007 with commit 4fc97d3f2726efa147cfdb0c456eace51550e1e3 during development activity in this file/procedure. From my point of view, these logs can be removed, since not part of a consistent flow of information. Alternatively, could be borrowed in the new cfi_send_command(), but this will increase verbosity. Signed-off-by: Øyvind Harboe --- src/flash/nor/cfi.c | 224 +++++++++++++++----------------------------- 1 file changed, 75 insertions(+), 149 deletions(-) diff --git a/src/flash/nor/cfi.c b/src/flash/nor/cfi.c index b0c7b0bc03..5f7ed1e2ee 100644 --- a/src/flash/nor/cfi.c +++ b/src/flash/nor/cfi.c @@ -132,6 +132,14 @@ static void cfi_command(struct flash_bank *bank, uint8_t cmd, uint8_t *cmd_buf) } } +static int cfi_send_command(struct flash_bank *bank, uint8_t cmd, uint32_t address) +{ + uint8_t command[CFI_MAX_BUS_WIDTH]; + + cfi_command(bank, cmd, command); + return target_write_memory(bank->target, address, bank->bus_width, 1, command); +} + /* read unsigned 8-bit value from the bank * flash banks are expected to be made of similar chips * the query result should be the same for all @@ -226,7 +234,6 @@ static uint32_t cfi_query_u32(struct flash_bank *bank, int sector, uint32_t offs static void cfi_intel_clear_status_register(struct flash_bank *bank) { struct target *target = bank->target; - uint8_t command[8]; if (target->state != TARGET_HALTED) { @@ -234,8 +241,7 @@ static void cfi_intel_clear_status_register(struct flash_bank *bank) exit(-1); } - cfi_command(bank, 0x50, command); - target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); + cfi_send_command(bank, 0x50, flash_address(bank, 0, 0x0)); } uint8_t cfi_intel_wait_status_busy(struct flash_bank *bank, int timeout) @@ -319,8 +325,6 @@ static int cfi_read_intel_pri_ext(struct flash_bank *bank) int retval; struct cfi_flash_bank *cfi_info = bank->driver_priv; struct cfi_intel_pri_ext *pri_ext = malloc(sizeof(struct cfi_intel_pri_ext)); - struct target *target = bank->target; - uint8_t command[8]; cfi_info->pri_ext = pri_ext; @@ -330,13 +334,11 @@ static int cfi_read_intel_pri_ext(struct flash_bank *bank) if ((pri_ext->pri[0] != 'P') || (pri_ext->pri[1] != 'R') || (pri_ext->pri[2] != 'I')) { - cfi_command(bank, 0xf0, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0xf0, flash_address(bank, 0, 0x0))) != ERROR_OK) { return retval; } - cfi_command(bank, 0xff, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0xff, flash_address(bank, 0, 0x0))) != ERROR_OK) { return retval; } @@ -385,8 +387,6 @@ static int cfi_read_spansion_pri_ext(struct flash_bank *bank) int retval; struct cfi_flash_bank *cfi_info = bank->driver_priv; struct cfi_spansion_pri_ext *pri_ext = malloc(sizeof(struct cfi_spansion_pri_ext)); - struct target *target = bank->target; - uint8_t command[8]; cfi_info->pri_ext = pri_ext; @@ -396,8 +396,7 @@ static int cfi_read_spansion_pri_ext(struct flash_bank *bank) if ((pri_ext->pri[0] != 'P') || (pri_ext->pri[1] != 'R') || (pri_ext->pri[2] != 'I')) { - cfi_command(bank, 0xf0, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0xf0, flash_address(bank, 0, 0x0))) != ERROR_OK) { return retval; } @@ -451,8 +450,6 @@ static int cfi_read_atmel_pri_ext(struct flash_bank *bank) struct cfi_atmel_pri_ext atmel_pri_ext; struct cfi_flash_bank *cfi_info = bank->driver_priv; struct cfi_spansion_pri_ext *pri_ext = malloc(sizeof(struct cfi_spansion_pri_ext)); - struct target *target = bank->target; - uint8_t command[8]; /* ATMEL devices use the same CFI primary command set (0x2) as AMD/Spansion, * but a different primary extended query table. @@ -469,8 +466,7 @@ static int cfi_read_atmel_pri_ext(struct flash_bank *bank) if ((atmel_pri_ext.pri[0] != 'P') || (atmel_pri_ext.pri[1] != 'R') || (atmel_pri_ext.pri[2] != 'I')) { - cfi_command(bank, 0xf0, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0xf0, flash_address(bank, 0, 0x0))) != ERROR_OK) { return retval; } @@ -647,22 +643,18 @@ static int cfi_intel_erase(struct flash_bank *bank, int first, int last) { int retval; struct cfi_flash_bank *cfi_info = bank->driver_priv; - struct target *target = bank->target; - uint8_t command[8]; int i; cfi_intel_clear_status_register(bank); for (i = first; i <= last; i++) { - cfi_command(bank, 0x20, command); - if ((retval = target_write_memory(target, flash_address(bank, i, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0x20, flash_address(bank, i, 0x0))) != ERROR_OK) { return retval; } - cfi_command(bank, 0xd0, command); - if ((retval = target_write_memory(target, flash_address(bank, i, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0xd0, flash_address(bank, i, 0x0))) != ERROR_OK) { return retval; } @@ -671,8 +663,7 @@ static int cfi_intel_erase(struct flash_bank *bank, int first, int last) bank->sectors[i].is_erased = 1; else { - cfi_command(bank, 0xff, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0xff, flash_address(bank, 0, 0x0))) != ERROR_OK) { return retval; } @@ -682,9 +673,7 @@ static int cfi_intel_erase(struct flash_bank *bank, int first, int last) } } - cfi_command(bank, 0xff, command); - return target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); - + return cfi_send_command(bank, 0xff, flash_address(bank, 0, 0x0)); } static int cfi_spansion_erase(struct flash_bank *bank, int first, int last) @@ -692,44 +681,36 @@ static int cfi_spansion_erase(struct flash_bank *bank, int first, int last) int retval; struct cfi_flash_bank *cfi_info = bank->driver_priv; struct cfi_spansion_pri_ext *pri_ext = cfi_info->pri_ext; - struct target *target = bank->target; - uint8_t command[8]; int i; for (i = first; i <= last; i++) { - cfi_command(bank, 0xaa, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0xaa, flash_address(bank, 0, pri_ext->_unlock1))) != ERROR_OK) { return retval; } - cfi_command(bank, 0x55, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, pri_ext->_unlock2), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0x55, flash_address(bank, 0, pri_ext->_unlock2))) != ERROR_OK) { return retval; } - cfi_command(bank, 0x80, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0x80, flash_address(bank, 0, pri_ext->_unlock1))) != ERROR_OK) { return retval; } - cfi_command(bank, 0xaa, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0xaa, flash_address(bank, 0, pri_ext->_unlock1))) != ERROR_OK) { return retval; } - cfi_command(bank, 0x55, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, pri_ext->_unlock2), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0x55, flash_address(bank, 0, pri_ext->_unlock2))) != ERROR_OK) { return retval; } - cfi_command(bank, 0x30, command); - if ((retval = target_write_memory(target, flash_address(bank, i, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0x30, flash_address(bank, i, 0x0))) != ERROR_OK) { return retval; } @@ -738,8 +719,7 @@ static int cfi_spansion_erase(struct flash_bank *bank, int first, int last) bank->sectors[i].is_erased = 1; else { - cfi_command(bank, 0xf0, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0xf0, flash_address(bank, 0, 0x0))) != ERROR_OK) { return retval; } @@ -749,8 +729,7 @@ static int cfi_spansion_erase(struct flash_bank *bank, int first, int last) } } - cfi_command(bank, 0xf0, command); - return target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); + return cfi_send_command(bank, 0xf0, flash_address(bank, 0, 0x0)); } static int cfi_erase(struct flash_bank *bank, int first, int last) @@ -793,8 +772,8 @@ static int cfi_intel_protect(struct flash_bank *bank, int set, int first, int la int retval; struct cfi_flash_bank *cfi_info = bank->driver_priv; struct cfi_intel_pri_ext *pri_ext = cfi_info->pri_ext; - struct target *target = bank->target; - uint8_t command[8]; + struct target *target = bank->target; /* FIXME: to be removed */ + uint8_t command[CFI_MAX_BUS_WIDTH]; /* FIXME: to be removed */ int retry = 0; int i; @@ -808,17 +787,17 @@ static int cfi_intel_protect(struct flash_bank *bank, int set, int first, int la for (i = first; i <= last; i++) { - cfi_command(bank, 0x60, command); + cfi_command(bank, 0x60, command); /* FIXME: to be removed */ LOG_DEBUG("address: 0x%4.4" PRIx32 ", command: 0x%4.4" PRIx32, flash_address(bank, i, 0x0), target_buffer_get_u32(target, command)); - if ((retval = target_write_memory(target, flash_address(bank, i, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0x60, flash_address(bank, i, 0x0))) != ERROR_OK) { return retval; } if (set) { - cfi_command(bank, 0x01, command); + cfi_command(bank, 0x01, command); /* FIXME: to be removed */ LOG_DEBUG("address: 0x%4.4" PRIx32 ", command: 0x%4.4" PRIx32 , flash_address(bank, i, 0x0), target_buffer_get_u32(target, command)); - if ((retval = target_write_memory(target, flash_address(bank, i, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0x01, flash_address(bank, i, 0x0))) != ERROR_OK) { return retval; } @@ -826,9 +805,9 @@ static int cfi_intel_protect(struct flash_bank *bank, int set, int first, int la } else { - cfi_command(bank, 0xd0, command); + cfi_command(bank, 0xd0, command); /* FIXME: to be removed */ LOG_DEBUG("address: 0x%4.4" PRIx32 ", command: 0x%4.4" PRIx32, flash_address(bank, i, 0x0), target_buffer_get_u32(target, command)); - if ((retval = target_write_memory(target, flash_address(bank, i, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0xd0, flash_address(bank, i, 0x0))) != ERROR_OK) { return retval; } @@ -845,8 +824,7 @@ static int cfi_intel_protect(struct flash_bank *bank, int set, int first, int la { uint8_t block_status; /* read block lock bit, to verify status */ - cfi_command(bank, 0x90, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x55), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0x90, flash_address(bank, 0, 0x55))) != ERROR_OK) { return retval; } @@ -855,8 +833,7 @@ static int cfi_intel_protect(struct flash_bank *bank, int set, int first, int la if ((block_status & 0x1) != set) { LOG_ERROR("couldn't change block lock status (set = %i, block_status = 0x%2.2x)", set, block_status); - cfi_command(bank, 0x70, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x55), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0x70, flash_address(bank, 0, 0x55))) != ERROR_OK) { return retval; } @@ -884,14 +861,12 @@ static int cfi_intel_protect(struct flash_bank *bank, int set, int first, int la { cfi_intel_clear_status_register(bank); - cfi_command(bank, 0x60, command); - if ((retval = target_write_memory(target, flash_address(bank, i, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0x60, flash_address(bank, i, 0x0))) != ERROR_OK) { return retval; } - cfi_command(bank, 0x01, command); - if ((retval = target_write_memory(target, flash_address(bank, i, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0x01, flash_address(bank, i, 0x0))) != ERROR_OK) { return retval; } @@ -901,8 +876,7 @@ static int cfi_intel_protect(struct flash_bank *bank, int set, int first, int la } } - cfi_command(bank, 0xff, command); - return target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); + return cfi_send_command(bank, 0xff, flash_address(bank, 0, 0x0)); } static int cfi_protect(struct flash_bank *bank, int set, int first, int last) @@ -1555,11 +1529,9 @@ static int cfi_intel_write_word(struct flash_bank *bank, uint8_t *word, uint32_t int retval; struct cfi_flash_bank *cfi_info = bank->driver_priv; struct target *target = bank->target; - uint8_t command[8]; cfi_intel_clear_status_register(bank); - cfi_command(bank, 0x40, command); - if ((retval = target_write_memory(target, address, bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0x40, address)) != ERROR_OK) { return retval; } @@ -1571,8 +1543,7 @@ static int cfi_intel_write_word(struct flash_bank *bank, uint8_t *word, uint32_t if (cfi_intel_wait_status_busy(bank, 1000 * (1 << cfi_info->word_write_timeout_max)) != 0x80) { - cfi_command(bank, 0xff, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0xff, flash_address(bank, 0, 0x0))) != ERROR_OK) { return retval; } @@ -1589,7 +1560,6 @@ static int cfi_intel_write_words(struct flash_bank *bank, uint8_t *word, uint32_ int retval; struct cfi_flash_bank *cfi_info = bank->driver_priv; struct target *target = bank->target; - uint8_t command[8]; /* Calculate buffer size and boundary mask */ uint32_t buffersize = (1UL << cfi_info->max_buf_write_size) * (bank->bus_width / bank->chip_width); @@ -1627,15 +1597,13 @@ static int cfi_intel_write_words(struct flash_bank *bank, uint8_t *word, uint32_ cfi_intel_clear_status_register(bank); /* Initiate buffer operation _*/ - cfi_command(bank, 0xE8, command); - if ((retval = target_write_memory(target, address, bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0xe8, address)) != ERROR_OK) { return retval; } if (cfi_intel_wait_status_busy(bank, 1000 * (1 << cfi_info->buf_write_timeout_max)) != 0x80) { - cfi_command(bank, 0xff, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0xff, flash_address(bank, 0, 0x0))) != ERROR_OK) { return retval; } @@ -1645,8 +1613,7 @@ static int cfi_intel_write_words(struct flash_bank *bank, uint8_t *word, uint32_ } /* Write buffer wordcount-1 and data words */ - cfi_command(bank, bufferwsize-1, command); - if ((retval = target_write_memory(target, address, bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, bufferwsize-1, address)) != ERROR_OK) { return retval; } @@ -1657,15 +1624,13 @@ static int cfi_intel_write_words(struct flash_bank *bank, uint8_t *word, uint32_ } /* Commit write operation */ - cfi_command(bank, 0xd0, command); - if ((retval = target_write_memory(target, address, bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0xd0, address)) != ERROR_OK) { return retval; } if (cfi_intel_wait_status_busy(bank, 1000 * (1 << cfi_info->buf_write_timeout_max)) != 0x80) { - cfi_command(bank, 0xff, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0xff, flash_address(bank, 0, 0x0))) != ERROR_OK) { return retval; } @@ -1683,22 +1648,18 @@ static int cfi_spansion_write_word(struct flash_bank *bank, uint8_t *word, uint3 struct cfi_flash_bank *cfi_info = bank->driver_priv; struct cfi_spansion_pri_ext *pri_ext = cfi_info->pri_ext; struct target *target = bank->target; - uint8_t command[8]; - cfi_command(bank, 0xaa, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0xaa, flash_address(bank, 0, pri_ext->_unlock1))) != ERROR_OK) { return retval; } - cfi_command(bank, 0x55, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, pri_ext->_unlock2), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0x55, flash_address(bank, 0, pri_ext->_unlock2))) != ERROR_OK) { return retval; } - cfi_command(bank, 0xa0, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0xa0, flash_address(bank, 0, pri_ext->_unlock1))) != ERROR_OK) { return retval; } @@ -1710,8 +1671,7 @@ static int cfi_spansion_write_word(struct flash_bank *bank, uint8_t *word, uint3 if (cfi_spansion_wait_status_busy(bank, 1000 * (1 << cfi_info->word_write_timeout_max)) != ERROR_OK) { - cfi_command(bank, 0xf0, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0xf0, flash_address(bank, 0, 0x0))) != ERROR_OK) { return retval; } @@ -1728,7 +1688,6 @@ static int cfi_spansion_write_words(struct flash_bank *bank, uint8_t *word, uint int retval; struct cfi_flash_bank *cfi_info = bank->driver_priv; struct target *target = bank->target; - uint8_t command[8]; struct cfi_spansion_pri_ext *pri_ext = cfi_info->pri_ext; /* Calculate buffer size and boundary mask */ @@ -1762,28 +1721,24 @@ static int cfi_spansion_write_words(struct flash_bank *bank, uint8_t *word, uint } // Unlock - cfi_command(bank, 0xaa, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0xaa, flash_address(bank, 0, pri_ext->_unlock1))) != ERROR_OK) { return retval; } - cfi_command(bank, 0x55, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, pri_ext->_unlock2), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0x55, flash_address(bank, 0, pri_ext->_unlock2))) != ERROR_OK) { return retval; } // Buffer load command - cfi_command(bank, 0x25, command); - if ((retval = target_write_memory(target, address, bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0x25, address)) != ERROR_OK) { return retval; } /* Write buffer wordcount-1 and data words */ - cfi_command(bank, bufferwsize-1, command); - if ((retval = target_write_memory(target, address, bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, bufferwsize-1, address)) != ERROR_OK) { return retval; } @@ -1794,16 +1749,14 @@ static int cfi_spansion_write_words(struct flash_bank *bank, uint8_t *word, uint } /* Commit write operation */ - cfi_command(bank, 0x29, command); - if ((retval = target_write_memory(target, address, bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0x29, address)) != ERROR_OK) { return retval; } if (cfi_spansion_wait_status_busy(bank, 1000 * (1 << cfi_info->word_write_timeout_max)) != ERROR_OK) { - cfi_command(bank, 0xf0, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0xf0, flash_address(bank, 0, 0x0))) != ERROR_OK) { return retval; } @@ -2017,13 +1970,11 @@ int cfi_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_ } /* return to read array mode, so we can read from flash again for padding */ - cfi_command(bank, 0xf0, current_word); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, current_word)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0xf0, flash_address(bank, 0, 0x0))) != ERROR_OK) { return retval; } - cfi_command(bank, 0xff, current_word); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, current_word)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0xff, flash_address(bank, 0, 0x0))) != ERROR_OK) { return retval; } @@ -2057,13 +2008,11 @@ int cfi_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_ } /* return to read array mode */ - cfi_command(bank, 0xf0, current_word); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, current_word)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0xf0, flash_address(bank, 0, 0x0))) != ERROR_OK) { return retval; } - cfi_command(bank, 0xff, current_word); - return target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, current_word); + return cfi_send_command(bank, 0xff, flash_address(bank, 0, 0x0)); } static void cfi_fixup_atmel_reversed_erase_regions(struct flash_bank *bank, void *param) @@ -2112,12 +2061,9 @@ static void cfi_fixup_0002_unlock_addresses(struct flash_bank *bank, void *param static int cfi_query_string(struct flash_bank *bank, int address) { struct cfi_flash_bank *cfi_info = bank->driver_priv; - struct target *target = bank->target; int retval; - uint8_t command[8]; - cfi_command(bank, 0x98, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, address), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0x98, flash_address(bank, 0, address))) != ERROR_OK) { return retval; } @@ -2130,13 +2076,11 @@ static int cfi_query_string(struct flash_bank *bank, int address) if ((cfi_info->qry[0] != 'Q') || (cfi_info->qry[1] != 'R') || (cfi_info->qry[2] != 'Y')) { - cfi_command(bank, 0xf0, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0xf0, flash_address(bank, 0, 0x0))) != ERROR_OK) { return retval; } - cfi_command(bank, 0xff, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0xff, flash_address(bank, 0, 0x0))) != ERROR_OK) { return retval; } @@ -2151,7 +2095,6 @@ static int cfi_probe(struct flash_bank *bank) { struct cfi_flash_bank *cfi_info = bank->driver_priv; struct target *target = bank->target; - uint8_t command[8]; int num_sectors = 0; int i; int sector = 0; @@ -2177,18 +2120,15 @@ static int cfi_probe(struct flash_bank *bank) } /* switch to read identifier codes mode ("AUTOSELECT") */ - cfi_command(bank, 0xaa, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, unlock1), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0xaa, flash_address(bank, 0, unlock1))) != ERROR_OK) { return retval; } - cfi_command(bank, 0x55, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, unlock2), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0x55, flash_address(bank, 0, unlock2))) != ERROR_OK) { return retval; } - cfi_command(bank, 0x90, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, unlock1), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0x90, flash_address(bank, 0, unlock1))) != ERROR_OK) { return retval; } @@ -2221,13 +2161,11 @@ static int cfi_probe(struct flash_bank *bank) LOG_INFO("Flash Manufacturer/Device: 0x%04x 0x%04x", cfi_info->manufacturer, cfi_info->device_id); /* switch back to read array mode */ - cfi_command(bank, 0xf0, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x00), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0xf0, flash_address(bank, 0, 0x00))) != ERROR_OK) { return retval; } - cfi_command(bank, 0xff, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x00), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0xff, flash_address(bank, 0, 0x00))) != ERROR_OK) { return retval; } @@ -2344,13 +2282,11 @@ static int cfi_probe(struct flash_bank *bank) /* return to read array mode * we use both reset commands, as some Intel flashes fail to recognize the 0xF0 command */ - cfi_command(bank, 0xf0, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0xf0, flash_address(bank, 0, 0x0))) != ERROR_OK) { return retval; } - cfi_command(bank, 0xff, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0xff, flash_address(bank, 0, 0x0))) != ERROR_OK) { return retval; } @@ -2440,16 +2376,13 @@ static int cfi_intel_protect_check(struct flash_bank *bank) int retval; struct cfi_flash_bank *cfi_info = bank->driver_priv; struct cfi_intel_pri_ext *pri_ext = cfi_info->pri_ext; - struct target *target = bank->target; - uint8_t command[CFI_MAX_BUS_WIDTH]; int i; /* check if block lock bits are supported on this device */ if (!(pri_ext->blk_status_reg_mask & 0x1)) return ERROR_FLASH_OPERATION_FAILED; - cfi_command(bank, 0x90, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, 0x55), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0x90, flash_address(bank, 0, 0x55))) != ERROR_OK) { return retval; } @@ -2464,8 +2397,7 @@ static int cfi_intel_protect_check(struct flash_bank *bank) bank->sectors[i].is_protected = 0; } - cfi_command(bank, 0xff, command); - return target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); + return cfi_send_command(bank, 0xff, flash_address(bank, 0, 0x0)); } static int cfi_spansion_protect_check(struct flash_bank *bank) @@ -2473,24 +2405,19 @@ static int cfi_spansion_protect_check(struct flash_bank *bank) int retval; struct cfi_flash_bank *cfi_info = bank->driver_priv; struct cfi_spansion_pri_ext *pri_ext = cfi_info->pri_ext; - struct target *target = bank->target; - uint8_t command[8]; int i; - cfi_command(bank, 0xaa, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0xaa, flash_address(bank, 0, pri_ext->_unlock1))) != ERROR_OK) { return retval; } - cfi_command(bank, 0x55, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, pri_ext->_unlock2), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0x55, flash_address(bank, 0, pri_ext->_unlock2))) != ERROR_OK) { return retval; } - cfi_command(bank, 0x90, command); - if ((retval = target_write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command)) != ERROR_OK) + if ((retval = cfi_send_command(bank, 0x90, flash_address(bank, 0, pri_ext->_unlock1))) != ERROR_OK) { return retval; } @@ -2505,8 +2432,7 @@ static int cfi_spansion_protect_check(struct flash_bank *bank) bank->sectors[i].is_protected = 0; } - cfi_command(bank, 0xf0, command); - return target_write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); + return cfi_send_command(bank, 0xf0, flash_address(bank, 0, 0x0)); } static int cfi_protect_check(struct flash_bank *bank) -- 2.30.2