[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