[PATCH 51/92] ram: rk3399: Enable sdram debug functions

Jagan Teki
2019-06-11T14:50:54Z

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-dyjBcgdgk7Pe9wHmmfpqLFaTQe2KTcn/@public.gmane.org>
---
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 b658d7d1ab..ce38f72374 100644
--- a/drivers/ram/rockchip/sdram_rk3399.c
+++ b/drivers/ram/rockchip/sdram_rk3399.c
@@ -1254,6 +1254,8 @@ static unsigned char calculate_stride(struct rk3399_sdram_params *sdram_params)
}
}

+ sdram_print_stride(stride);
+
return stride;
}

@@ -1361,11 +1363,14 @@ static int sdram_init(struct dram_info *dram,
debug("Channel ");
debug(channel ? "1: " : "0: ");

+ sdram_print_ddr_info(cap_info, &sdram_params->base);
+
set_ddrconfig(chan, sdram_params, channel, cap_info->ddrconfig);
}

if (sdram_params->base.num_channels == 0) {
printf("%s: ", __func__);
+ sdram_print_dram_type(sdram_params->base.dramtype);
printf(" - %dMHz failed!\n", sdram_params->base.ddr_freq);
return -EINVAL;
}
--
2.18.0.321.gffc6fa0e3