This would help to debug the sdram base parameters while debugging existing chip or while supporting new sdram type.
It require explicit enablement of CONFIG_RAM_ROCKCHIP_DEBUG for showing the debug prints.
Signed-off-by: Jagan Teki jagan@amarulasolutions.com --- drivers/ram/rockchip/sdram_rk3399.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c index a3acb75dba..ae9ba625bd 100644 --- a/drivers/ram/rockchip/sdram_rk3399.c +++ b/drivers/ram/rockchip/sdram_rk3399.c @@ -1248,6 +1248,8 @@ static unsigned char calculate_stride(struct rk3399_sdram_params *params) } }
+ sdram_print_stride(stride); + return stride; }
@@ -1354,11 +1356,14 @@ static int sdram_init(struct dram_info *dram, debug("Channel "); debug(channel ? "1: " : "0: ");
+ sdram_print_ddr_info(cap_info, ¶ms->base); + set_ddrconfig(chan, params, channel, cap_info->ddrconfig); }
if (params->base.num_channels == 0) { printf("%s: ", __func__); + sdram_print_dram_type(params->base.dramtype); printf(" - %dMHz failed!\n", params->base.ddr_freq); return -EINVAL; }