When the DM CPU drivers are active, printing information about a CPU
should be delegated to a matching driver.
Hence, add a static print_cpuinfo that implements this delegation when
DM CPU drivers are active.
Reviewed-by: Simon Glass <s...@chromium.org>
Signed-off-by: Mario Six <mario....@gdsys.cc>
---
Notes:
v3 -> v4:
* Print error if CPU description could not be retrieved
* Improved error handling and debug reporting
* Added documentation
v2 -> v3:
No changes
v1 -> v2:
New in v2
common/board_f.c | 28 ++++++++++++++++++++++++++++
include/init.h | 7 +++++++
2 files changed, 35 insertions(+)
diff --git a/common/board_f.c b/common/board_f.c
index afafec5e4d0..fcc89df8160 100644
--- a/common/board_f.c
+++ b/common/board_f.c
@@ -11,6 +11,7 @@
#include <common.h>
#include <console.h>
+#include <cpu.h>
#include <dm.h>
#include <environment.h>
#include <fdtdec.h>
@@ -165,6 +166,33 @@ static int print_resetinfo(void)
}
#endif
+#if defined(CONFIG_DISPLAY_CPUINFO) && defined(CONFIG_CPU)
+static int print_cpuinfo(void)
+{
+ struct udevice *dev;
+ char desc[512];
+ int ret;
+
+ ret = uclass_first_device_err(UCLASS_CPU, &dev);
+ if (ret) {
+ debug("%s: Could not get CPU device (err = %d)\n",
+ __func__, ret);
+ return ret;
+ }
+
+ ret = cpu_get_desc(dev, desc, sizeof(desc));
+ if (ret) {
+ debug("%s: Could not get CPU description (err = %d)\n",
+ dev->name, ret);
+ return ret;
+ }
+
+ printf("%s", desc);
+
+ return 0;
+}
+#endif
+
static int announce_dram_init(void)
{
puts("DRAM: ");
diff --git a/include/init.h b/include/init.h
index a58d7a6917f..a76d747b035 100644
--- a/include/init.h
+++ b/include/init.h
@@ -109,7 +109,14 @@ int arch_reserve_stacks(void);
*/
int init_cache_f_r(void);
+#ifndef CONFIG_CPU
+/**
+ * print_cpuinfo() - Display information about the CPU
+ *
+ * Return: 0 if OK, -ve on error
+ */
int print_cpuinfo(void);
+#endif
int timer_init(void);
int reserve_mmu(void);
int misc_init_f(void);
--
2.11.0
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
https://lists.denx.de/listinfo/u-boot
