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John McCarthy <jgmcc@magma.ca> adds support for DMA mode access as supported by EJTAG 1.0/2.0 processors

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git-svn-id: svn://svn.berlios.de/openocd/trunk@1029 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
oharboe
2008-10-08 05:09:59 +00:00
parent eadd49bef0
commit 76be215ee1
6 changed files with 521 additions and 5 deletions
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12
src/target/mips_m4k.c
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@@ -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");