From 76be215ee1271adb4a9ed04ee8b102c28e825798 Mon Sep 17 00:00:00 2001 From: oharboe Date: Wed, 8 Oct 2008 05:09:59 +0000 Subject: John McCarthy 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 --- src/target/mips_m4k.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) (limited to 'src/target/mips_m4k.c') 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"); -- cgit v1.2.3