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adiv5: Debug log on failure to read ROM table.

This commit is contained in:
Gareth McMullin 2017-03-27 09:05:37 +13:00
parent 62dedb9824
commit bb93af50c3
1 changed files with 9 additions and 0 deletions
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9
src/target/adiv5.c
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@ -268,6 +268,11 @@ static void adiv5_component_probe(ADIv5_AP_t *ap, uint32_t addr)
cidr |= ((uint64_t)(x & 0xff)) << (i * 8); cidr |= ((uint64_t)(x & 0xff)) << (i * 8);
} }
if (adiv5_dp_error(ap->dp)) {
DEBUG("Fault reading ID registers\n");
return;
}
/* CIDR preamble sanity check */ /* CIDR preamble sanity check */
if ((cidr & ~CID_CLASS_MASK) != CID_PREAMBLE) { if ((cidr & ~CID_CLASS_MASK) != CID_PREAMBLE) {
DEBUG("0x%"PRIx32": 0x%"PRIx32" <- does not match preamble (0x%X)\n", DEBUG("0x%"PRIx32": 0x%"PRIx32" <- does not match preamble (0x%X)\n",
@ -281,6 +286,10 @@ static void adiv5_component_probe(ADIv5_AP_t *ap, uint32_t addr)
if (cid_class == cidc_romtab) { /* ROM table, probe recursively */ if (cid_class == cidc_romtab) { /* ROM table, probe recursively */
for (int i = 0; i < 256; i++) { for (int i = 0; i < 256; i++) {
uint32_t entry = adiv5_mem_read32(ap, addr + i*4); uint32_t entry = adiv5_mem_read32(ap, addr + i*4);
if (adiv5_dp_error(ap->dp)) {
DEBUG("Fault reading ROM table entry\n");
}
if (entry == 0) if (entry == 0)
break; break;