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| author | oharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60> | 2008-10-08 05:09:59 +0000 |
|---|---|---|
| committer | oharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60> | 2008-10-08 05:09:59 +0000 |
| commit | 76be215ee1271adb4a9ed04ee8b102c28e825798 (patch) | |
| tree | 4d966f5b331c5286acd9aa6e3d241febbc4a89b4 /src/target/mips_m4k.c | |
| parent | eadd49bef0960e015de084a41571c32e2ffbff41 (diff) | |
| download | openocd_libswd-76be215ee1271adb4a9ed04ee8b102c28e825798.tar.gz openocd_libswd-76be215ee1271adb4a9ed04ee8b102c28e825798.tar.bz2 openocd_libswd-76be215ee1271adb4a9ed04ee8b102c28e825798.tar.xz openocd_libswd-76be215ee1271adb4a9ed04ee8b102c28e825798.zip | |
John McCarthy <jgmcc@magma.ca> adds support for DMA mode access as supported by EJTAG 1.0/2.0 processors
git-svn-id: svn://svn.berlios.de/openocd/trunk@1029 b42882b7-edfa-0310-969c-e2dbd0fdcd60
Diffstat (limited to 'src/target/mips_m4k.c')
| -rw-r--r-- | src/target/mips_m4k.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/target/mips_m4k.c b/src/target/mips_m4k.c index 0db7a94b..03995b5e 100644 --- a/src/target/mips_m4k.c +++ b/src/target/mips_m4k.c @@ -512,7 +512,11 @@ int mips_m4k_read_memory(struct target_s *target, u32 address, u32 size, u32 cou case 4: case 2: case 1: - return mips32_pracc_read_mem(ejtag_info, address, size, count, (void *)buffer); + /* if noDMA off, use DMAACC mode for memory read */ + if(ejtag_info->impcode & (1<<14)) + return mips32_pracc_read_mem(ejtag_info, address, size, count, (void *)buffer); + else + return mips32_dmaacc_read_mem(ejtag_info, address, size, count, (void *)buffer); default: LOG_ERROR("BUG: we shouldn't get here"); exit(-1); @@ -547,7 +551,11 @@ int mips_m4k_write_memory(struct target_s *target, u32 address, u32 size, u32 co case 4: case 2: case 1: - mips32_pracc_write_mem(ejtag_info, address, size, count, (void *)buffer); + /* if noDMA off, use DMAACC mode for memory write */ + if(ejtag_info->impcode & (1<<14)) + mips32_pracc_write_mem(ejtag_info, address, size, count, (void *)buffer); + else + mips32_dmaacc_write_mem(ejtag_info, address, size, count, (void *)buffer); break; default: LOG_ERROR("BUG: we shouldn't get here"); |