summaryrefslogtreecommitdiff
path: root/target/linux/ramips/patches-3.8/0037-MIPS-add-detect_memory_region.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/ramips/patches-3.8/0037-MIPS-add-detect_memory_region.patch')
-rw-r--r--target/linux/ramips/patches-3.8/0037-MIPS-add-detect_memory_region.patch68
1 files changed, 0 insertions, 68 deletions
diff --git a/target/linux/ramips/patches-3.8/0037-MIPS-add-detect_memory_region.patch b/target/linux/ramips/patches-3.8/0037-MIPS-add-detect_memory_region.patch
deleted file mode 100644
index 2f5626e..0000000
--- a/target/linux/ramips/patches-3.8/0037-MIPS-add-detect_memory_region.patch
+++ /dev/null
@@ -1,68 +0,0 @@
-From 3350a0d29bc3f3d15b50835a20ffcc14a458e2d9 Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Sat, 13 Apr 2013 13:15:47 +0200
-Subject: [PATCH 37/79] MIPS: add detect_memory_region()
-
-Add a generic way of detecting the available RAM. This function is based on the
-implementation already used by ath79.
-
-Signed-off-by: John Crispin <blogic@openwrt.org>
-Patchwork: http://patchwork.linux-mips.org/patch/5178/
----
- arch/mips/include/asm/bootinfo.h | 1 +
- arch/mips/kernel/setup.c | 20 ++++++++++++++++++++
- 2 files changed, 21 insertions(+)
-
-diff --git a/arch/mips/include/asm/bootinfo.h b/arch/mips/include/asm/bootinfo.h
-index 7a51d87..6d6cfac 100644
---- a/arch/mips/include/asm/bootinfo.h
-+++ b/arch/mips/include/asm/bootinfo.h
-@@ -104,6 +104,7 @@ struct boot_mem_map {
- extern struct boot_mem_map boot_mem_map;
-
- extern void add_memory_region(phys_t start, phys_t size, long type);
-+extern void detect_memory_region(phys_t start, phys_t sz_min, phys_t sz_max);
-
- extern void prom_init(void);
- extern void prom_free_prom_memory(void);
-diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
-index 8c41187..3937630 100644
---- a/arch/mips/kernel/setup.c
-+++ b/arch/mips/kernel/setup.c
-@@ -23,6 +23,7 @@
- #include <linux/pfn.h>
- #include <linux/debugfs.h>
- #include <linux/kexec.h>
-+#include <linux/sizes.h>
-
- #include <asm/addrspace.h>
- #include <asm/bootinfo.h>
-@@ -122,6 +123,25 @@ void __init add_memory_region(phys_t start, phys_t size, long type)
- boot_mem_map.nr_map++;
- }
-
-+void __init detect_memory_region(phys_t start, phys_t sz_min, phys_t sz_max)
-+{
-+ phys_t size;
-+
-+ for (size = sz_min; size < sz_max; size <<= 1) {
-+ if (!memcmp(detect_memory_region,
-+ detect_memory_region + size, 1024))
-+ break;
-+ }
-+
-+ pr_debug("Memory: %lluMB of RAM detected at 0x%llx (min: %lluMB, max: %lluMB)\n",
-+ ((unsigned long long) size) / SZ_1M,
-+ (unsigned long long) start,
-+ ((unsigned long long) sz_min) / SZ_1M,
-+ ((unsigned long long) sz_max) / SZ_1M);
-+
-+ add_memory_region(start, size, BOOT_MEM_RAM);
-+}
-+
- static void __init print_memory_map(void)
- {
- int i;
---
-1.7.10.4
-