[U-Boot] [PATCH v3 17/18] ram: rk3399: Enable sdram debug functions

Jagan Teki jagan at amarulasolutions.com
Mon Jul 15 18:28:55 UTC 2019


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 at 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 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, &params->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;
 	}
-- 
2.18.0.321.gffc6fa0e3



More information about the U-Boot mailing list