From: Tien Fong Chee tien.fong.chee@intel.com
Ensure the PHY calibration data is copied to DDR only when DDR retention is set.
Signed-off-by: Tien Fong Chee tien.fong.chee@intel.com Signed-off-by: Jit Loon Lim jit.loon.lim@intel.com --- drivers/ddr/altera/sdram_n5x.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/ddr/altera/sdram_n5x.c b/drivers/ddr/altera/sdram_n5x.c index 8d28cdbc03..72c231b3f1 100644 --- a/drivers/ddr/altera/sdram_n5x.c +++ b/drivers/ddr/altera/sdram_n5x.c @@ -3045,10 +3045,13 @@ int sdram_mmr_init_full(struct udevice *dev)
sdram_set_firewall(&bd);
- ddr_offset = simple_strtoul(offset, &endptr, 16); - if (!(offset == endptr || *endptr != '\0')) - memcpy((void *)ddr_offset, - (const void *)SOC64_OCRAM_PHY_BACKUP_BASE, SZ_4K); + if (is_ddr_retention_enabled(reg)) { + ddr_offset = simple_strtoul(offset, &endptr, 16); + if (!(offset == endptr || *endptr != '\0')) + memcpy((void *)ddr_offset, + (const void *)SOC64_OCRAM_PHY_BACKUP_BASE, + SZ_4K); + }
return 0; }