108 lines
3.2 KiB
Diff
108 lines
3.2 KiB
Diff
From 0184f7b64c68fe9606559e86bdd288de01c87a85 Mon Sep 17 00:00:00 2001
|
|
From: John Crispin <blogic@openwrt.org>
|
|
Date: Sun, 17 Mar 2013 10:30:48 +0100
|
|
Subject: [PATCH 200/208] MIPS: read the mips_machine name from OF and output
|
|
it in /proc/cpuinfo
|
|
|
|
This allows the userland to be compatible to the devive probing of mips_machine.
|
|
|
|
Signed-off-by: John Crispin <blogic@openwrt.org>
|
|
---
|
|
arch/mips/include/asm/prom.h | 3 +++
|
|
arch/mips/kernel/proc.c | 6 +++++-
|
|
arch/mips/kernel/prom.c | 24 ++++++++++++++++++++++++
|
|
3 files changed, 32 insertions(+), 1 deletion(-)
|
|
|
|
diff --git a/arch/mips/include/asm/prom.h b/arch/mips/include/asm/prom.h
|
|
index 8808bf5..a4ad354 100644
|
|
--- a/arch/mips/include/asm/prom.h
|
|
+++ b/arch/mips/include/asm/prom.h
|
|
@@ -44,8 +44,11 @@ extern void __dt_setup_arch(struct boot_param_header *bph);
|
|
__dt_setup_arch(&__dtb_##sym##_begin); \
|
|
})
|
|
|
|
+extern char *of_mips_get_machine_name(void);
|
|
+
|
|
#else /* CONFIG_OF */
|
|
static inline void device_tree_init(void) { }
|
|
+static char *of_mips_get_machine_name(void) { return NULL; }
|
|
#endif /* CONFIG_OF */
|
|
|
|
#endif /* __ASM_PROM_H */
|
|
diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c
|
|
index 135c4aa..9ab3d13 100644
|
|
--- a/arch/mips/kernel/proc.c
|
|
+++ b/arch/mips/kernel/proc.c
|
|
@@ -12,6 +12,7 @@
|
|
#include <asm/cpu-features.h>
|
|
#include <asm/mipsregs.h>
|
|
#include <asm/processor.h>
|
|
+#include <asm/prom.h>
|
|
#include <asm/mips_machine.h>
|
|
|
|
unsigned int vced_count, vcei_count;
|
|
@@ -34,7 +35,10 @@ static int show_cpuinfo(struct seq_file *m, void *v)
|
|
*/
|
|
if (n == 0) {
|
|
seq_printf(m, "system type\t\t: %s\n", get_system_type());
|
|
- if (mips_get_machine_name())
|
|
+ if (of_mips_get_machine_name())
|
|
+ seq_printf(m, "machine\t\t\t: %s\n",
|
|
+ of_mips_get_machine_name());
|
|
+ else if (mips_get_machine_name())
|
|
seq_printf(m, "machine\t\t\t: %s\n",
|
|
mips_get_machine_name());
|
|
}
|
|
diff --git a/arch/mips/kernel/prom.c b/arch/mips/kernel/prom.c
|
|
index 028f6f8..1aa68a2 100644
|
|
--- a/arch/mips/kernel/prom.c
|
|
+++ b/arch/mips/kernel/prom.c
|
|
@@ -23,6 +23,13 @@
|
|
#include <asm/page.h>
|
|
#include <asm/prom.h>
|
|
|
|
+static char of_mips_machine_name[64] = "Unknown";
|
|
+
|
|
+char *of_mips_get_machine_name(void)
|
|
+{
|
|
+ return of_mips_machine_name;
|
|
+}
|
|
+
|
|
int __init early_init_dt_scan_memory_arch(unsigned long node,
|
|
const char *uname, int depth,
|
|
void *data)
|
|
@@ -50,6 +57,20 @@ void __init early_init_dt_setup_initrd_arch(unsigned long start,
|
|
}
|
|
#endif
|
|
|
|
+int __init early_init_dt_scan_model(unsigned long node,
|
|
+ const char *uname, int depth,
|
|
+ void *data)
|
|
+{
|
|
+ if (!depth) {
|
|
+ char *model = of_get_flat_dt_prop(node, "model", NULL);
|
|
+ if (model) {
|
|
+ snprintf(of_mips_machine_name, sizeof(of_mips_machine_name), model);
|
|
+ pr_info("MIPS: machine is %s\n", of_mips_machine_name);
|
|
+ }
|
|
+ }
|
|
+ return 0;
|
|
+}
|
|
+
|
|
void __init early_init_devtree(void *params)
|
|
{
|
|
/* Setup flat device-tree pointer */
|
|
@@ -65,6 +86,9 @@ void __init early_init_devtree(void *params)
|
|
/* Scan memory nodes */
|
|
of_scan_flat_dt(early_init_dt_scan_root, NULL);
|
|
of_scan_flat_dt(early_init_dt_scan_memory_arch, NULL);
|
|
+
|
|
+ /* try to load the mips machine name */
|
|
+ of_scan_flat_dt(early_init_dt_scan_model, NULL);
|
|
}
|
|
|
|
void __init __dt_setup_arch(struct boot_param_header *bph)
|
|
--
|
|
1.7.10.4
|
|
|