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target/fw/dsp: Create a common function to start running code 

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
This commit is contained in:
Sylvain Munaut 2010-09-29 18:43:56 +02:00
parent da738824a0
commit 379608d218
1 changed files with 10 additions and 8 deletions
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18
src/target/firmware/calypso/dsp.c
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@ -108,6 +108,14 @@ static void dsp_bl_wait_ready(void)
while (readw(BL_CMD_STATUS) != BL_STATUS_IDLE);
}
static void dsp_bl_start_at(uint16_t addr)
{
writew(0, BL_ADDR_HI);
writew(addr, BL_ADDR_LO);
writew(0, BL_SIZE);
writew(BL_CMD_COPY_BLOCK, BL_CMD_STATUS);
}
static int dsp_upload_sections_api(const struct dsp_section *sec, uint16_t dsp_base_api)
{
for (; sec->data; sec++) {
@ -186,9 +194,7 @@ static void dsp_set_params(int16_t *param_tab, int param_size)
dsp_dump_version();
dputs("Finishing download phase\n");
writew(0, BL_SIZE);
writew(DSP_START, BL_ADDR_LO);
writew(BL_CMD_COPY_BLOCK, BL_CMD_STATUS);
dsp_bl_start_at(DSP_START);
dsp_dump_version();
}
@ -628,11 +634,7 @@ void dsp_dump(void)
/* Load and execute our dump code in the DSP */
dsp_upload_sections_api(dsp_dumpcode, DSP_BASE_API);
writew(0, BL_ADDR_HI);
writew(DSP_DUMPCODE_START, BL_ADDR_LO);
writew(0, BL_SIZE);
writew(BL_CMD_COPY_BLOCK, BL_CMD_STATUS);
dsp_bl_start_at(DSP_DUMPCODE_START);
/* our dump code actually simulates the boot loaded
* but with added read commands */