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author | Gabor Juhos <juhosg@openwrt.org> | 2012-09-27 10:18:14 +0000 |
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committer | Gabor Juhos <juhosg@openwrt.org> | 2012-09-27 10:18:14 +0000 |
commit | 80d2da9f0ffcc665ac7a383b571bc07574dd3aff (patch) | |
tree | a02dc02e5be1d4470336f733b6dc8e4d956427e1 /target/linux/ramips/files/arch/mips/ralink/common/setup.c | |
parent | 4ea68a13e3195576ae87589b12f3a3639358fb5f (diff) | |
download | master-31e0f0ae-80d2da9f0ffcc665ac7a383b571bc07574dd3aff.tar.gz master-31e0f0ae-80d2da9f0ffcc665ac7a383b571bc07574dd3aff.tar.bz2 master-31e0f0ae-80d2da9f0ffcc665ac7a383b571bc07574dd3aff.zip |
ramips: allow to use custom code for memory size detection
SVN-Revision: 33570
Diffstat (limited to 'target/linux/ramips/files/arch/mips/ralink/common/setup.c')
-rw-r--r-- | target/linux/ramips/files/arch/mips/ralink/common/setup.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/target/linux/ramips/files/arch/mips/ralink/common/setup.c b/target/linux/ramips/files/arch/mips/ralink/common/setup.c index 0d6b8d8c90..1af855e649 100644 --- a/target/linux/ramips/files/arch/mips/ralink/common/setup.c +++ b/target/linux/ramips/files/arch/mips/ralink/common/setup.c @@ -21,6 +21,7 @@ #include <asm/mach-ralink/machine.h> unsigned char ramips_sys_type[RAMIPS_SYS_TYPE_LEN]; +unsigned long (*ramips_get_mem_size)(void); const char *get_system_type(void) { @@ -30,13 +31,18 @@ const char *get_system_type(void) static void __init detect_mem_size(void) { unsigned long size; - void *base; - base = (void *) KSEG1ADDR(detect_mem_size); - for (size = ramips_mem_size_min; size < ramips_mem_size_max; - size <<= 1 ) { - if (!memcmp(base, base + size, 1024)) - break; + if (ramips_get_mem_size) { + size = ramips_get_mem_size(); + } else { + void *base; + + base = (void *) KSEG1ADDR(detect_mem_size); + for (size = ramips_mem_size_min; size < ramips_mem_size_max; + size <<= 1 ) { + if (!memcmp(base, base + size, 1024)) + break; + } } add_memory_region(ramips_mem_base, size, BOOT_MEM_RAM); |