fsl_ifc: Add the workaround for erratum IFC-A002769 (enable on P1010)
Issue:
The NOR-FCM does not support access to unaligned addresses for 16 bit port size
Impact:
When 16 bit port size is used, accesses not aligned to 16 bit address boundary
will result in incorrect data
Workaround:
The workaround is to switch to GPCM mode for NOR Flash access.
Signed-off-by: Poonam Aggrwal <poonam.aggrwal@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/arch/powerpc/include/asm/fsl_ifc.h b/arch/powerpc/include/asm/fsl_ifc.h
index fb12363..7d95eb4 100644
--- a/arch/powerpc/include/asm/fsl_ifc.h
+++ b/arch/powerpc/include/asm/fsl_ifc.h
@@ -951,5 +951,10 @@
struct fsl_ifc_gpcm ifc_gpcm;
};
+#ifdef CONFIG_SYS_FSL_ERRATUM_IFC_A002769
+#undef CSPR_MSEL_NOR
+#define CSPR_MSEL_NOR CSPR_MSEL_GPCM
+#endif
+
#endif /* __ASSEMBLY__ */
#endif /* __ASM_PPC_FSL_IFC_H */