20ea6adbf1
Build system: x86_64 Build-tested: bcm2708, bcm2709, bcm2710, bcm2711 Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B Signed-off-by: Marty Jones <mj8263788@gmail.com> Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
59 lines
1.6 KiB
Diff
59 lines
1.6 KiB
Diff
From c1c1dc795330dc5f53396612c0e91a106d91ef99 Mon Sep 17 00:00:00 2001
|
|
From: Phil Elwell <phil@raspberrypi.org>
|
|
Date: Tue, 3 Sep 2019 18:17:25 +0100
|
|
Subject: [PATCH] arch/arm64: Add Revision, Serial, Model to cpuinfo
|
|
|
|
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
|
|
---
|
|
arch/arm64/kernel/cpuinfo.c | 25 +++++++++++++++++++++++++
|
|
1 file changed, 25 insertions(+)
|
|
|
|
--- a/arch/arm64/kernel/cpuinfo.c
|
|
+++ b/arch/arm64/kernel/cpuinfo.c
|
|
@@ -17,6 +17,7 @@
|
|
#include <linux/elf.h>
|
|
#include <linux/init.h>
|
|
#include <linux/kernel.h>
|
|
+#include <linux/of_platform.h>
|
|
#include <linux/personality.h>
|
|
#include <linux/preempt.h>
|
|
#include <linux/printk.h>
|
|
@@ -140,6 +141,10 @@ static int c_show(struct seq_file *m, vo
|
|
{
|
|
int i, j;
|
|
bool compat = personality(current->personality) == PER_LINUX32;
|
|
+ struct device_node *np;
|
|
+ const char *model;
|
|
+ const char *serial;
|
|
+ u32 revision;
|
|
|
|
for_each_online_cpu(i) {
|
|
struct cpuinfo_arm64 *cpuinfo = &per_cpu(cpu_data, i);
|
|
@@ -200,6 +205,26 @@ static int c_show(struct seq_file *m, vo
|
|
seq_printf(m, "CPU revision\t: %d\n\n", MIDR_REVISION(midr));
|
|
}
|
|
|
|
+ seq_printf(m, "Hardware\t: BCM2835\n");
|
|
+
|
|
+ np = of_find_node_by_path("/system");
|
|
+ if (np) {
|
|
+ if (!of_property_read_u32(np, "linux,revision", &revision))
|
|
+ seq_printf(m, "Revision\t: %04x\n", revision);
|
|
+ of_node_put(np);
|
|
+ }
|
|
+
|
|
+ np = of_find_node_by_path("/");
|
|
+ if (np) {
|
|
+ if (!of_property_read_string(np, "serial-number",
|
|
+ &serial))
|
|
+ seq_printf(m, "Serial\t\t: %s\n", serial);
|
|
+ if (!of_property_read_string(np, "model",
|
|
+ &model))
|
|
+ seq_printf(m, "Model\t\t: %s\n", model);
|
|
+ of_node_put(np);
|
|
+ }
|
|
+
|
|
return 0;
|
|
}
|
|
|