libgram/include/gram.h

   1 #ifndef GRAM_H
   2 #define GRAM_H
   3
   4 #include <stdint.h>
   5
   6 enum GramError {
   7         GRAM_ERR_NONE = 0,
   8         GRAM_ERR_UNDOCUMENTED,
   9         GRAM_ERR_MEMTEST,
  10 };
  11
  12 struct gramCoreRegs;
  13 struct gramPHYRegs;
  14 struct gramCtx {
  15         volatile void *ddr_base;
  16         volatile struct gramCoreRegs *core;
  17         volatile struct gramPHYRegs *phy;
  18         void *user_data;
  19 };
  20
  21 extern __attribute__((visibility ("default"))) int gram_init(struct gramCtx *ctx, void *ddr_base, void *core_base, void *phy_base);
  22 extern __attribute__((visibility ("default"))) int gram_memtest(struct gramCtx *ctx);
  23
  24 #ifdef GRAM_RW_FUNC
  25 extern uint32_t gram_read(struct gramCtx *ctx, void *addr);
  26 extern int gram_write(struct gramCtx *ctx, void *addr, uint32_t value);
  27 #endif /* GRAM_RW_FUNC */
  28
  29 #endif /* GRAM_H */