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| author | Álvaro Fernández Rojas <noltari@gmail.com> | 2021-02-18 18:04:33 +0100 |
|---|---|---|
| committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2021-02-19 07:17:21 +0100 |
| commit | 62b7f5931c54e96fca56dd8761b0e466d355c881 (patch) | |
| tree | 1258b392752379833a075df006c2f6d7ac4be51d /target/linux/bcm27xx/patches-5.4/950-0298-arch-arm64-Add-Revision-Serial-Model-to-cpuinfo.patch | |
| parent | 76d1168d0d4b9d76e2ad78c0fc6b255561deb284 (diff) | |
| download | upstream-62b7f5931c54e96fca56dd8761b0e466d355c881.tar.gz upstream-62b7f5931c54e96fca56dd8761b0e466d355c881.tar.bz2 upstream-62b7f5931c54e96fca56dd8761b0e466d355c881.zip | |
bcm27xx: import latest patches from the RPi foundation
bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G
bcm2710: boot tested on RPi 3B v1.2
bcm2711: boot tested on RPi 4B v1.1 4G
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
(cherry-picked from commit f07e572f64)
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0298-arch-arm64-Add-Revision-Serial-Model-to-cpuinfo.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0298-arch-arm64-Add-Revision-Serial-Model-to-cpuinfo.patch | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0298-arch-arm64-Add-Revision-Serial-Model-to-cpuinfo.patch b/target/linux/bcm27xx/patches-5.4/950-0298-arch-arm64-Add-Revision-Serial-Model-to-cpuinfo.patch new file mode 100644 index 0000000000..af76b81f31 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0298-arch-arm64-Add-Revision-Serial-Model-to-cpuinfo.patch @@ -0,0 +1,58 @@ +From 6ce4c2034f11fe1ba270637ebd5ba459c69e2b27 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> +@@ -128,6 +129,10 @@ 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); +@@ -179,6 +184,26 @@ 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; + } + |