diff options
Diffstat (limited to 'board/sunxi/dram_sun5i_auto.c')
-rw-r--r-- | board/sunxi/dram_sun5i_auto.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/board/sunxi/dram_sun5i_auto.c b/board/sunxi/dram_sun5i_auto.c new file mode 100644 index 0000000..e52d54c --- /dev/null +++ b/board/sunxi/dram_sun5i_auto.c @@ -0,0 +1,38 @@ +/* DRAM parameters for auto dram configuration on sun5i and sun7i */ + +#include <common.h> +#include <asm/arch/dram.h> + +static struct dram_para dram_para = { + .clock = CONFIG_DRAM_CLK, + .mbus_clock = CONFIG_DRAM_MBUS_CLK, + .type = 3, + .rank_num = 1, + .density = 0, + .io_width = 0, + .bus_width = 0, + .zq = CONFIG_DRAM_ZQ, + .odt_en = CONFIG_DRAM_ODT_EN, + .size = 0, +#ifdef CONFIG_DRAM_TIMINGS_VENDOR_MAGIC + .cas = 9, + .tpr0 = 0x42d899b7, + .tpr1 = 0xa090, + .tpr2 = 0x22a00, + .emr2 = 0x10, +#else +# include "dram_timings_sun4i.h" + .active_windowing = 1, +#endif + .tpr3 = 0, + .tpr4 = 0, + .tpr5 = 0, + .emr1 = CONFIG_DRAM_EMR1, + .emr3 = 0, + .dqs_gating_delay = CONFIG_DRAM_DQS_GATING_DELAY, +}; + +unsigned long sunxi_dram_init(void) +{ + return dramc_init(&dram_para); +} |