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author | ntfreak <ntfreak@b42882b7-edfa-0310-969c-e2dbd0fdcd60> | 2008-06-05 18:55:55 +0000 |
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committer | ntfreak <ntfreak@b42882b7-edfa-0310-969c-e2dbd0fdcd60> | 2008-06-05 18:55:55 +0000 |
commit | a532e98176d1a01378ec7b49658610970f3e1d54 (patch) | |
tree | ea40ec2c04ad2552b32ae24d4220ef349a5b72cd /src/flash | |
parent | 24092a51720789c200c83f3a3867a4e02861661c (diff) | |
download | openocd_libswd-a532e98176d1a01378ec7b49658610970f3e1d54.tar.gz openocd_libswd-a532e98176d1a01378ec7b49658610970f3e1d54.tar.bz2 openocd_libswd-a532e98176d1a01378ec7b49658610970f3e1d54.tar.xz openocd_libswd-a532e98176d1a01378ec7b49658610970f3e1d54.zip |
- erase bank using bank erase rather than each sector
- Thanks Fredrik Hederstierna
git-svn-id: svn://svn.berlios.de/openocd/trunk@704 b42882b7-edfa-0310-969c-e2dbd0fdcd60
Diffstat (limited to 'src/flash')
-rw-r--r-- | src/flash/str9x.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/src/flash/str9x.c b/src/flash/str9x.c index 96cad399..fbae6c68 100644 --- a/src/flash/str9x.c +++ b/src/flash/str9x.c @@ -236,18 +236,31 @@ int str9x_erase(struct flash_bank_s *bank, int first, int last) int i; u32 adr; u8 status; + u8 erase_cmd; if (bank->target->state != TARGET_HALTED) { return ERROR_TARGET_NOT_HALTED; } + /* Check if we erase whole bank */ + if ((first == 0) && (last == (bank->num_sectors - 1))) + { + /* Optimize to run erase bank command instead of sector */ + erase_cmd = 0x80; + } + else + { + /* Erase sector command */ + erase_cmd = 0x20; + } + for (i = first; i <= last; i++) { adr = bank->base + bank->sectors[i].offset; /* erase sectors */ - target_write_u16(target, adr, 0x20); + target_write_u16(target, adr, erase_cmd); target_write_u16(target, adr, 0xD0); /* get status */ @@ -271,6 +284,10 @@ int str9x_erase(struct flash_bank_s *bank, int first, int last) LOG_ERROR("error erasing flash bank, status: 0x%x", status); return ERROR_FLASH_OPERATION_FAILED; } + + /* If we ran erase bank command, we are finished */ + if (erase_cmd == 0x80) + break; } for (i = first; i <= last; i++) |