From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jagan Teki Subject: [PATCH 51/92] ram: rk3399: Enable sdram debug functions Date: Tue, 11 Jun 2019 20:20:54 +0530 Message-ID: <20190611145135.21399-52-jagan@amarulasolutions.com> References: <20190611145135.21399-1-jagan@amarulasolutions.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20190611145135.21399-1-jagan-dyjBcgdgk7Pe9wHmmfpqLFaTQe2KTcn/@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+glpar-linux-rockchip=m.gmane.org-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org To: Simon Glass , Philipp Tomsich , Kever Yang , YouMin Chen , u-boot-0aAXYlwwYIKGBzrmiIFOJg@public.gmane.org Cc: linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-amarula-dyjBcgdgk7Pe9wHmmfpqLFaTQe2KTcn/@public.gmane.org, Jagan Teki , gajjar04akash-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org List-Id: linux-rockchip.vger.kernel.org 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 --- 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