1 files changed, 22 insertions, 18 deletions

diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index f6f0ccf35ae6..edb146d01857 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -78,6 +78,7 @@ unsigned int compat_elf_hwcap2 __read_mostly;
 #endif
 
 static const char *cpu_name;
+static const char *machine_name;
 phys_addr_t __fdt_pointer __initdata;
 
 /*
@@ -309,6 +310,8 @@ static void __init setup_machine_fdt(phys_addr_t dt_phys)
                 while (true)
                         cpu_relax();
         }
+
+        machine_name = of_flat_dt_get_machine_name();
 }
 
 /*
@@ -447,21 +450,10 @@ static int c_show(struct seq_file *m, void *v)
 {
         int i;
 
-        /*
-         * Dump out the common processor features in a single line. Userspace
-         * should read the hwcaps with getauxval(AT_HWCAP) rather than
-         * attempting to parse this.
-         */
-        seq_puts(m, "features\t:");
-        for (i = 0; hwcap_str[i]; i++)
-                if (elf_hwcap & (1 << i))
-                        seq_printf(m, " %s", hwcap_str[i]);
-        seq_puts(m, "\n\n");
+        seq_printf(m, "Processor\t: %s rev %d (%s)\n",
+                   cpu_name, read_cpuid_id() & 15, ELF_PLATFORM);
 
         for_each_online_cpu(i) {
-                struct cpuinfo_arm64 *cpuinfo = &per_cpu(cpu_data, i);
-                u32 midr = cpuinfo->reg_midr;
-
                 /*
                  * glibc reads /proc/cpuinfo to determine the number of
                  * online processors, looking for lines beginning with
@@ -470,13 +462,25 @@ static int c_show(struct seq_file *m, void *v)
 #ifdef CONFIG_SMP
                 seq_printf(m, "processor\t: %d\n", i);
 #endif
-                seq_printf(m, "implementer\t: 0x%02x\n",
-                           MIDR_IMPLEMENTOR(midr));
-                seq_printf(m, "variant\t\t: 0x%x\n", MIDR_VARIANT(midr));
-                seq_printf(m, "partnum\t\t: 0x%03x\n", MIDR_PARTNUM(midr));
-                seq_printf(m, "revision\t: 0x%x\n\n", MIDR_REVISION(midr));
         }
 
+        /* dump out the processor features */
+        seq_puts(m, "Features\t: ");
+
+        for (i = 0; hwcap_str[i]; i++)
+                if (elf_hwcap & (1 << i))
+                        seq_printf(m, "%s ", hwcap_str[i]);
+
+        seq_printf(m, "\nCPU implementer\t: 0x%02x\n", read_cpuid_id() >> 24);
+        seq_printf(m, "CPU architecture: AArch64\n");
+        seq_printf(m, "CPU variant\t: 0x%x\n", (read_cpuid_id() >> 20) & 15);
+        seq_printf(m, "CPU part\t: 0x%03x\n", (read_cpuid_id() >> 4) & 0xfff);
+        seq_printf(m, "CPU revision\t: %d\n", read_cpuid_id() & 15);
+
+        seq_puts(m, "\n");
+
+        seq_printf(m, "Hardware\t: %s\n", machine_name);
+
         return 0;
 }