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-rw-r--r--arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c4
-rw-r--r--arch/powerpc/cpu/mpc8xxx/ddr/main.c8
2 files changed, 9 insertions, 3 deletions
diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c b/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c
index 0f73e9c..b5e4070 100644
--- a/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c
+++ b/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c
@@ -1585,8 +1585,8 @@ compute_fsl_memctl_config_regs(const memctl_options_t *popts,
| ((ea & 0xFFF) << 0) /* ending address MSB */
);
} else {
- debug("FSLDDR: setting bnds to 0 for inactive CS\n");
- ddr->cs[i].bnds = 0;
+ /* setting bnds to 0xffffffff for inactive CS */
+ ddr->cs[i].bnds = 0xffffffff;
}
debug("FSLDDR: cs[%d]_bnds = 0x%08x\n", i, ddr->cs[i].bnds);
diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/main.c b/arch/powerpc/cpu/mpc8xxx/ddr/main.c
index 7a8636d..c35405d 100644
--- a/arch/powerpc/cpu/mpc8xxx/ddr/main.c
+++ b/arch/powerpc/cpu/mpc8xxx/ddr/main.c
@@ -504,7 +504,13 @@ fsl_ddr_compute(fsl_ddr_info_t *pinfo, unsigned int start_step,
fsl_ddr_cfg_regs_t *reg = &ddr_reg[i];
if (reg->cs[j].config & 0x80000000) {
unsigned int end;
- end = reg->cs[j].bnds & 0xFFF;
+ /*
+ * 0xfffffff is a special value we put
+ * for unused bnds
+ */
+ if (reg->cs[j].bnds == 0xffffffff)
+ continue;
+ end = reg->cs[j].bnds & 0xffff;
if (end > max_end) {
max_end = end;
}