fernvale: Fully get PSRAM working

This uses scriptic to run scripts that do bringup of various systems.
2014-09-09 17:23:31 +08:00 · 2014-09-09 17:23:31 +08:00 · 555af9447c
commit 555af9447c
parent 40c1a9941f
17 changed files with 875 additions and 29 deletions
--- a/include/utils.h
+++ b/include/utils.h
@ -2,6 +2,19 @@
 #define __UTILS_H__
 #include <stdint.h>

+# define do_div(n,base) ({                              \
+        uint32_t __base = (base);                       \
+        uint32_t __rem;                                 \
+        (void)(((typeof((n)) *)0) == ((uint64_t *)0));  \
+        if (((n) >> 32) == 0) {                 \
+                __rem = (uint32_t)(n) % __base;         \
+                (n) = (uint32_t)(n) / __base;           \
+        } else                                          \
+                __rem = __div64_32(&(n), __base);       \
+        __rem;                                          \
+ })
+
 uint32_t _udiv64(uint64_t n, uint32_t d);
+uint32_t __div64_32(uint64_t *n, uint32_t base);

 #endif /* __UTILS_H__ */