ppc4xx: DDR/ECC: Use correct macros to clear error status
Use the correct macro instead of the hardcoded 0x4c to clear the ECC
status in the 440/460 DDR(2) error status register after ECC
initialization.
Also the non-440 parts (405EX(r) right now) and the IBM DDR PPC variants
(440GX) use a different registers to clear this error status. Use the
correct ones.
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/arch/powerpc/cpu/ppc4xx/ecc.c b/arch/powerpc/cpu/ppc4xx/ecc.c
index f105605..49f28d9 100644
--- a/arch/powerpc/cpu/ppc4xx/ecc.c
+++ b/arch/powerpc/cpu/ppc4xx/ecc.c
@@ -130,7 +130,26 @@
/* clear ECC error repoting registers */
mtsdram(SDRAM_ECCES, 0xffffffff);
- mtdcr(0x4c, 0xffffffff);
+#if defined(CONFIG_SDRAM_PPC4xx_IBM_DDR)
+ /*
+ * IBM DDR(1) core (440GX):
+ * Clear Mx bits in SDRAM0_BESR0/1
+ */
+ mtsdram(SDRAM0_BESR0, 0xffffffff);
+ mtsdram(SDRAM0_BESR1, 0xffffffff);
+#elif defined(CONFIG_440)
+ /*
+ * 440/460 DDR2 core:
+ * Clear EMID (Error PLB Master ID) in MQ0_ESL
+ */
+ mtdcr(SDRAM_ERRSTATLL, 0xfff00000);
+#else
+ /*
+ * 405EX(r) DDR2 core:
+ * Clear M0ID (Error PLB Master ID) in SDRAM_BESR
+ */
+ mtsdram(SDRAM_BESR, 0xf0000000);
+#endif
mtsdram(SDRAM_MCOPT1,
(mcopt1 & ~SDRAM_MCOPT1_MCHK_MASK) | SDRAM_MCOPT1_MCHK_CHK_REP);