[PATCH 4/8] drivers: ddr: imx8m: add print for DRAM rate

Peng Fan peng.fan at nxp.com
Mon May 11 11:53:26 CEST 2020


From: Ye Li <ye.li at nxp.com>

Enable print to show the DRAM rate of current setting and training
result.

Reviewed-by: Peng Fan <peng.fan at nxp.com>
Signed-off-by: Ye Li <ye.li at nxp.com>
Signed-off-by:  Peng Fan <peng.fan at nxp.com>
---
 drivers/ddr/imx/imx8m/ddr_init.c     | 7 ++++---
 drivers/ddr/imx/imx8m/ddrphy_utils.c | 2 +-
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/ddr/imx/imx8m/ddr_init.c b/drivers/ddr/imx/imx8m/ddr_init.c
index f573a778d9..a1d2d21692 100644
--- a/drivers/ddr/imx/imx8m/ddr_init.c
+++ b/drivers/ddr/imx/imx8m/ddr_init.c
@@ -95,7 +95,7 @@ int ddr_init(struct dram_timing_info *dram_timing)
 	unsigned int tmp, initial_drate, target_freq;
 	int ret;
 
-	debug("DDRINFO: start DRAM init\n");
+	printf("DDRINFO: start DRAM init\n");
 
 	/* Step1: Follow the power up procedure */
 	if (is_imx8mq()) {
@@ -118,6 +118,7 @@ int ddr_init(struct dram_timing_info *dram_timing)
 
 	initial_drate = dram_timing->fsp_msg[0].drate;
 	/* default to the frequency point 0 clock */
+	printf("DDRINFO: DRAM rate %dMTS\n", initial_drate);
 	ddrphy_init_set_dfi_clk(initial_drate);
 
 	/* D-aasert the presetn */
@@ -184,7 +185,7 @@ int ddr_init(struct dram_timing_info *dram_timing)
 		tmp = reg32_read(DDRPHY_CalBusy(0));
 	} while ((tmp & 0x1));
 
-	debug("DDRINFO:ddrphy calibration done\n");
+	printf("DDRINFO:ddrphy calibration done\n");
 
 	/* Step15: Set SWCTL.sw_done to 0 */
 	reg32_write(DDRC_SWCTL(0), 0x00000000);
@@ -236,7 +237,7 @@ int ddr_init(struct dram_timing_info *dram_timing)
 
 	/* enable port 0 */
 	reg32_write(DDRC_PCTRL_0(0), 0x00000001);
-	debug("DDRINFO: ddrmix config done\n");
+	printf("DDRINFO: ddrmix config done\n");
 
 	board_dram_ecc_scrub();
 
diff --git a/drivers/ddr/imx/imx8m/ddrphy_utils.c b/drivers/ddr/imx/imx8m/ddrphy_utils.c
index 9ac7ca923c..9d2378d7dd 100644
--- a/drivers/ddr/imx/imx8m/ddrphy_utils.c
+++ b/drivers/ddr/imx/imx8m/ddrphy_utils.c
@@ -97,7 +97,7 @@ int wait_ddrphy_training_complete(void)
 			debug("Training PASS\n");
 			return 0;
 		} else if (mail == 0xff) {
-			debug("Training FAILED\n");
+			printf("Training FAILED\n");
 			return -1;
 		}
 	}
-- 
2.16.4



More information about the U-Boot mailing list