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MIPS: fastdata bulk write fallback 

If fastdata access fails, then fallback to default mips_m4k_write_memory
Remove unnecessary fastdata loader verify check

Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
This commit is contained in:
Spencer Oliver 2010-01-06 20:24:31 +00:00
parent 2bc7446bb8
commit 2d450b9033
2 changed files with 7 additions and 9 deletions
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10
src/target/mips32_pracc.c
View File

@ -968,15 +968,7 @@ int mips32_pracc_fastdata_xfer(struct mips_ejtag *ejtag_info, struct working_are
/* write program into RAM */
mips32_pracc_write_mem32(ejtag_info, source->address, ARRAY_SIZE(handler_code), handler_code);
/* quick verify RAM is working */
mips32_pracc_read_u32(ejtag_info, source->address, &val);
if (val != handler_code[0])
{
LOG_ERROR("fastdata handler verify failed\n");
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
LOG_INFO("%s using 0x%.8x for write handler\n", __func__, source->address);
LOG_DEBUG("%s using 0x%.8x for write handler\n", __func__, source->address);
jmp_code[1] |= UPPER16(source->address);
jmp_code[2] |= LOWER16(source->address);

6
src/target/mips_m4k.c
View File

@ -1001,6 +1001,12 @@ int mips_m4k_bulk_write_memory(struct target *target, uint32_t address, uint32_t
}
retval = mips32_pracc_fastdata_xfer(ejtag_info, source, write, address, count, (uint32_t*) buffer);
if (retval != ERROR_OK)
{
/* FASTDATA access failed, try normal memory write */
LOG_WARNING("Fastdata access Failed, falling back to non-bulk write");
retval = mips_m4k_write_memory(target, address, 4, count, buffer);
}
if (source)
target_free_working_area(target, source);