powerpc/8xxx: Enabled address hashing for 85xx
For 85xx silicon which supports address hashing, it can be activated by
hwconfig.
Signed-off-by: York Sun <yorksun@freescale.com>
diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c b/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c
index 6e73b1d..ff0ddd1 100644
--- a/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c
+++ b/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c
@@ -1161,6 +1161,14 @@
);
}
+static void set_ddr_eor(fsl_ddr_cfg_regs_t *ddr, const memctl_options_t *popts)
+{
+ if (popts->addr_hash) {
+ ddr->ddr_eor = 0x40000000; /* address hash enable */
+ puts("Addess hashing enabled.\n");
+ }
+}
+
unsigned int
check_fsl_memctl_config_regs(const fsl_ddr_cfg_regs_t *ddr)
{
@@ -1392,6 +1400,8 @@
set_csn_config_2(i, ddr);
}
+ set_ddr_eor(ddr, popts);
+
#if !defined(CONFIG_FSL_DDR1)
set_timing_cfg_0(ddr);
#endif