soc/rockchip/rk3399/sdram: Add channel to error message

When printing error information during DRAM training, be more verbose
by printing the channel number.

Change-Id: If4109bd0573e3d9f90d699d89350ddbcc48714d3
Signed-off-by: Moritz Fischer <moritzf@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51127
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Julius Werner <jwerner@chromium.org>
diff --git a/src/soc/rockchip/rk3399/sdram.c b/src/soc/rockchip/rk3399/sdram.c
index 6d58b6a..be1da59 100644
--- a/src/soc/rockchip/rk3399/sdram.c
+++ b/src/soc/rockchip/rk3399/sdram.c
@@ -939,7 +939,7 @@
 	if ((training_flag & PI_CA_TRAINING) == PI_CA_TRAINING) {
 		ret = data_training_ca(channel, params);
 		if (ret) {
-			printk(BIOS_ERR, "CA training failed\n");
+			printk(BIOS_ERR, "Channel %d CA training failed\n", channel);
 			return ret;
 		}
 	}
@@ -948,7 +948,7 @@
 	if ((training_flag & PI_WRITE_LEVELING) == PI_WRITE_LEVELING) {
 		ret = data_training_wl(channel, params);
 		if (ret) {
-			printk(BIOS_ERR, "WL training failed\n");
+			printk(BIOS_ERR, "Channel %d WL training failed\n", channel);
 			return ret;
 		}
 	}
@@ -957,7 +957,7 @@
 	if ((training_flag & PI_READ_GATE_TRAINING) == PI_READ_GATE_TRAINING) {
 		ret = data_training_rg(channel, params);
 		if (ret) {
-			printk(BIOS_ERR, "RG training failed\n");
+			printk(BIOS_ERR, "Channel %d RG training failed\n", channel);
 			return ret;
 		}
 	}
@@ -966,7 +966,7 @@
 	if ((training_flag & PI_READ_LEVELING) == PI_READ_LEVELING) {
 		ret = data_training_rl(channel, params);
 		if (ret) {
-			printk(BIOS_ERR, "RL training failed\n");
+			printk(BIOS_ERR, "Channel %d RL training failed\n", channel);
 			return ret;
 		}
 	}
@@ -975,7 +975,7 @@
 	if ((training_flag & PI_WDQ_LEVELING) == PI_WDQ_LEVELING) {
 		ret = data_training_wdql(channel, params);
 		if (ret) {
-			printk(BIOS_ERR, "WDQL training failed\n");
+			printk(BIOS_ERR, "Channel %d WDQL training failed\n", channel);
 			return ret;
 		}
 	}