Changeset 33570

Timestamp:

2012-09-27T12:18:14+02:00 (5 years ago)

Author:

juhosg

Message:

ramips: allow to use custom code for memory size detection

Location:

trunk/target/linux/ramips/files/arch/mips

Files:

• include/asm/mach-ralink/common.h (modified) (1 diff)
• ralink/common/setup.c (modified) (2 diffs)

trunk/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/common.h

@@ -15 +15 @@
 extern unsigned long ramips_mem_size_min;
 extern unsigned long ramips_mem_size_max;
+extern unsigned long (*ramips_get_mem_size)(void);
 
 void ramips_intc_irq_init(unsigned intc_base, unsigned irq, unsigned irq_base);

trunk/target/linux/ramips/files/arch/mips/ralink/common/setup.c

@@ -22 +22 @@
 
 unsigned char ramips_sys_type[RAMIPS_SYS_TYPE_LEN];
+unsigned long (*ramips_get_mem_size)(void);
 
 const char *get_system_type(void)
@@ -31 +32 @@
 {
         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;
+                }
         }