[U-Boot] [PATCH v2 1/3] ARM: AM437X: Add Silicon ID support

Lokesh Vutla
2016-08-30T05:31:32Z

Add silicon ID code for AM437x silicon. This can be used to print
the cpu info using CONFIG_DISPLAY_CPUINFO.
Also printing "CPU :" along with cpu name in order to be consistent
with other OMAP platforms.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
---
arch/arm/cpu/armv7/am33xx/sys_info.c | 5 ++++-
arch/arm/include/asm/arch-am33xx/cpu.h | 3 ++-
2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/arch/arm/cpu/armv7/am33xx/sys_info.c b/arch/arm/cpu/armv7/am33xx/sys_info.c
index 52a6824..808faf4 100644
--- a/arch/arm/cpu/armv7/am33xx/sys_info.c
+++ b/arch/arm/cpu/armv7/am33xx/sys_info.c
@@ -97,6 +97,9 @@ int print_cpuinfo(void)
case TI81XX:
cpu_s = "TI81XX";
break;
+ case AM437X:
+ cpu_s = "AM437X";
+ break;
default:
cpu_s = "Unknown CPU type";
break;
@@ -112,7 +115,7 @@ int print_cpuinfo(void)
else
sec_s = "?";

- printf("%s-%s rev %s\n", cpu_s, sec_s, rev_s);
+ printf("CPU : %s-%s rev %s\n", cpu_s, sec_s, rev_s);

return 0;
}
diff --git a/arch/arm/include/asm/arch-am33xx/cpu.h b/arch/arm/include/asm/arch-am33xx/cpu.h
index 62bca8c..4a0dce9 100644
--- a/arch/arm/include/asm/arch-am33xx/cpu.h
+++ b/arch/arm/include/asm/arch-am33xx/cpu.h
@@ -43,7 +43,8 @@
#define HS_DEVICE 0x2
#define GP_DEVICE 0x3

-/* cpu-id for AM33XX and TI81XX family */
+/* cpu-id for AM43XX AM33XX and TI81XX family */
+#define AM437X 0xB98C
#define AM335X 0xB944
#define TI81XX 0xB81E
#define DEVICE_ID (CTRL_BASE + 0x0600)
--
2.9.3