1. bb4dd96 global: Move remaining CONFIG_SYS_SDRAM_* to CFG_SYS_SDRAM_* by Tom Rini · Wed Nov 16 13:10:37 2022 -0500
  2. c63f2fc rockchip: rk3568: Add sdram driver by Joseph Chen · Wed Jun 02 15:58:24 2021 +0800