ppc4xx: HCU4/5. Cleanups
- Fix some coding style violations.
- Use in/out_u16/32 where appropriate.
- Use register names from ppc405.h.
- Fix trace useage for Lauterbach.
- Remove obsolete generation HCU2.
- Renamed fixed_hcu4_sdram to init_ppc405_sdram.
Signed-off-by: Niklaus Giger <niklaus.giger@netstal.com>
diff --git a/board/netstal/hcu5/sdram.c b/board/netstal/hcu5/sdram.c
index 5435de1..d3c2233 100644
--- a/board/netstal/hcu5/sdram.c
+++ b/board/netstal/hcu5/sdram.c
@@ -165,19 +165,25 @@
u32 val;
char str[] = "ECC generation -";
#if defined(CONFIG_PRAM)
- u32 *magic;
+ u32 *magicPtr;
+ u32 magic;
- /* Check whether vxWorks is using EDR logging, if yes zero */
- /* also PostMortem and user reserved memory */
- magic = (u32 *)in_be32((u32 *)(start_address + num_bytes -
- (CONFIG_PRAM*1024) + sizeof(u32)));
-
- debug("\n%s: CONFIG_PRAM %d kB magic 0x%x 0x%p -> 0x%x\n", __FUNCTION__,
- CONFIG_PRAM,
- start_address + num_bytes - (CONFIG_PRAM*1024) + sizeof(u32),
- magic, in_be32(magic));
- if (in_be32(magic) == 0xbeefbabe)
- num_bytes -= (CONFIG_PRAM*1024) - PM_RESERVED_MEM;
+ if ((mfspr(dbcr0) & 0x80000000) == 0) {
+ /* only if no external debugger is alive!
+ * Check whether vxWorks is using EDR logging, if yes zero
+ * also PostMortem and user reserved memory
+ */
+ magicPtr = (u32 *)(start_address + num_bytes -
+ (CONFIG_PRAM*1024) + sizeof(u32));
+ magic = in_be32(magicPtr);
+ debug("%s: CONFIG_PRAM %d kB magic 0x%x 0x%p\n",
+ __FUNCTION__, CONFIG_PRAM,
+ magicPtr, magic);
+ if (magic == 0xbeefbabe) {
+ printf("%s: preserving at %p\n", __FUNCTION__, magicPtr);
+ num_bytes -= (CONFIG_PRAM*1024) - PM_RESERVED_MEM;
+ }
+ }
#endif
sync();