diff options
Diffstat (limited to 'target/linux/lantiq/patches-3.9/0023-MIPS-read-the-mips_machine-name-from-OF-and-output-i.patch')
| -rw-r--r-- | target/linux/lantiq/patches-3.9/0023-MIPS-read-the-mips_machine-name-from-OF-and-output-i.patch | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/target/linux/lantiq/patches-3.9/0023-MIPS-read-the-mips_machine-name-from-OF-and-output-i.patch b/target/linux/lantiq/patches-3.9/0023-MIPS-read-the-mips_machine-name-from-OF-and-output-i.patch new file mode 100644 index 0000000000..21d9ee0a3c --- /dev/null +++ b/target/linux/lantiq/patches-3.9/0023-MIPS-read-the-mips_machine-name-from-OF-and-output-i.patch @@ -0,0 +1,98 @@ +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(-) + +--- 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_ + __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 */ +--- 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 + */ + 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()); + } +--- 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_a + } + #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 *par + /* 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) |