Implement autodetection of debug base. Also, implement a function solving
various hardware quirks (like iMX51 ROM Table location bug).
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
*/
#define swjdp_memoryap 0
#define swjdp_debugap 1
*/
#define swjdp_memoryap 0
#define swjdp_debugap 1
-#define OMAP3530_DEBUG_BASE 0x54011000
/*
* Cortex-A8 Basic debug access, very low level assumes state is saved
/*
* Cortex-A8 Basic debug access, very low level assumes state is saved
int i;
int retval = ERROR_OK;
uint32_t didr, ctypr, ttypr, cpuid;
int i;
int retval = ERROR_OK;
uint32_t didr, ctypr, ttypr, cpuid;
-
- /* stop assuming this is an OMAP! */
- LOG_DEBUG("TODO - autoconfigure");
-
- /* Here we shall insert a proper ROM Table scan */
- armv7a->debug_base = OMAP3530_DEBUG_BASE;
+ uint32_t dbgbase, apid;
/* We do one extra read to ensure DAP is configured,
* we call ahbap_debugport_init(swjdp) instead
/* We do one extra read to ensure DAP is configured,
* we call ahbap_debugport_init(swjdp) instead
if (retval != ERROR_OK)
return retval;
if (retval != ERROR_OK)
return retval;
+ /* Get ROM Table base */
+ retval = dap_get_debugbase(swjdp, 1, &dbgbase, &apid);
+ if (retval != ERROR_OK)
+ return retval;
+
+ /* Lookup 0x15 -- Processor DAP */
+ retval = dap_lookup_cs_component(swjdp, 1, dbgbase, 0x15,
+ &armv7a->debug_base);
+ if (retval != ERROR_OK)
+ return retval;
+
retval = mem_ap_read_atomic_u32(swjdp, armv7a->debug_base + CPUDBG_CPUID, &cpuid);
if (retval != ERROR_OK)
return retval;
retval = mem_ap_read_atomic_u32(swjdp, armv7a->debug_base + CPUDBG_CPUID, &cpuid);
if (retval != ERROR_OK)
return retval;
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