On 2019/7/16 上午2:28, Jagan Teki wrote:
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@xxxxxxxxxxxxxxxxxxxx>
Reviewed-by: Kever Yang <Kever.yang@xxxxxxxxxxxxxx>
Thanks,
- Kever
---
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 b83955f94e..9a60c24135 100644
--- a/drivers/ram/rockchip/sdram_rk3399.c
+++ b/drivers/ram/rockchip/sdram_rk3399.c
@@ -1251,6 +1251,8 @@ static unsigned char calculate_stride(struct rk3399_sdram_params *params)
}
}
+ sdram_print_stride(stride);
+
return stride;
}
@@ -1357,11 +1359,14 @@ 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;
}
_______________________________________________
Linux-rockchip mailing list
Linux-rockchip@xxxxxxxxxxxxxxxxxxx
http://lists.infradead.org/mailman/listinfo/linux-rockchip
