aspeed/sdmc: Add trace events

This is useful to analyze changes in the U-Boot RAM driver when SDRAM
training is performed.

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>

hw/misc/aspeed_sdmc.c

@@ -130,6 +130,7 @@ static uint64_t aspeed_sdmc_read(void *opaque, hwaddr addr, unsigned size)
         return 0;
     }
 
+    trace_aspeed_sdmc_read(addr, s->regs[addr]);
     return s->regs[addr];
 }
 
@@ -148,6 +149,7 @@ static void aspeed_sdmc_write(void *opaque, hwaddr addr, uint64_t data,
         return;
     }
 
+    trace_aspeed_sdmc_write(addr, data);
     asc->write(s, addr, data);
 }
 

hw/misc/trace-events

@@ -205,6 +205,10 @@ aspeed_i3c_write(uint64_t offset, uint64_t data) "I3C write: offset 0x%" PRIx64
 aspeed_i3c_device_read(uint32_t deviceid, uint64_t offset, uint64_t data) "I3C Dev[%u] read: offset 0x%" PRIx64 " data 0x%" PRIx64
 aspeed_i3c_device_write(uint32_t deviceid, uint64_t offset, uint64_t data) "I3C Dev[%u] write: offset 0x%" PRIx64 " data 0x%" PRIx64
 
+# aspeed_sdmc.c
+aspeed_sdmc_write(uint64_t reg, uint64_t data) "reg @0x%" PRIx64 " data: 0x%" PRIx64
+aspeed_sdmc_read(uint64_t reg, uint64_t data) "reg @0x%" PRIx64 " data: 0x%" PRIx64
+
 # bcm2835_property.c
 bcm2835_mbox_property(uint32_t tag, uint32_t bufsize, size_t resplen) "mbox property tag:0x%08x in_sz:%u out_sz:%zu"