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authorAnson Huang <Anson.Huang@nxp.com>2018-09-28 16:43:57 +0800
committerAnson Huang <Anson.Huang@nxp.com>2018-09-28 16:46:26 +0800
commit08ee41f6caa50cbd349f018c9c48352bf7bbbf5e (patch)
tree863b140ad4c186b9de752ddf2b7176cab57ddcb9
parent1590be095f897790676d9c22f5338cd4d06840be (diff)
imx8qm/imx8qxp: enable output debug message to SC console
Add support for enabling output debug message to SC console, SC_CONSOLE is used to enable/disable it. Example log output on SC console as below: *** Debug Monitor *** >$ NOTICE: smc_fid is c2000003 imx_pwr_domain_on cluster_id 0, cpu_id 1 cluster:0 core:1 is on imx_pwr_domain_on cluster_id 0, cpu_id 2 cluster:0 core:2 is on imx_pwr_domain_on cluster_id 0, cpu_id 3 cluster:0 core:3 is on imx_pwr_domain_on cluster_id 1, cpu_id 0 cluster:1 core:0 is on imx_pwr_domain_on cluster_id 1, cpu_id 1 cluster:1 core:1 is on Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
-rw-r--r--lib/stdlib/putchar.c2
-rw-r--r--plat/imx/common/misc.c10
-rw-r--r--plat/imx/imx8qm/include/platform_def.h3
-rw-r--r--plat/imx/imx8qxp/include/platform_def.h3
4 files changed, 18 insertions, 0 deletions
diff --git a/lib/stdlib/putchar.c b/lib/stdlib/putchar.c
index 8265667b..ecae0d67 100644
--- a/lib/stdlib/putchar.c
+++ b/lib/stdlib/putchar.c
@@ -12,6 +12,8 @@
* character. Write all other printing functions in terms of putchar(), if
* possible, so they all benefit when this is improved.
*/
+#pragma weak putchar
+
int putchar(int c)
{
int res;
diff --git a/plat/imx/common/misc.c b/plat/imx/common/misc.c
index be18673e..025402aa 100644
--- a/plat/imx/common/misc.c
+++ b/plat/imx/common/misc.c
@@ -24,3 +24,13 @@ int imx_misc_set_temp_handler(uint32_t smc_fid,
{
return sc_misc_set_temp(ipc_handle, x1, x2, x3, x4);
}
+
+#if SC_CONSOLE
+int putchar(int c)
+{
+ if (ipc_handle)
+ sc_misc_debug_out(ipc_handle, (unsigned char)c);
+
+ return c;
+}
+#endif
diff --git a/plat/imx/imx8qm/include/platform_def.h b/plat/imx/imx8qm/include/platform_def.h
index c68cbd16..a9a903af 100644
--- a/plat/imx/imx8qm/include/platform_def.h
+++ b/plat/imx/imx8qm/include/platform_def.h
@@ -67,6 +67,9 @@
#define COUNTER_FREQUENCY 8000000 /* 8MHz */
+/* enable it to make debug message to SC console */
+#define SC_CONSOLE 0
+
#define DEBUG_CONSOLE 0
#ifdef SPD_trusty
#define DEBUG_CONSOLE_A53 1
diff --git a/plat/imx/imx8qxp/include/platform_def.h b/plat/imx/imx8qxp/include/platform_def.h
index ce31e0ab..55ce4a6e 100644
--- a/plat/imx/imx8qxp/include/platform_def.h
+++ b/plat/imx/imx8qxp/include/platform_def.h
@@ -59,6 +59,9 @@
#define COUNTER_FREQUENCY 8000000 /* 8MHz */
+/* enable it to make debug message to SC console */
+#define SC_CONSOLE 0
+
#define DEBUG_CONSOLE 0
#ifdef SPD_trusty
#define DEBUG_CONSOLE_A35 1