u-boot-revid.patch

   1 Index: include/asm-blackfin/processor.h
   2 ===================================================================
   3 --- include/asm-blackfin/processor.h    (revision 1283)
   4 +++ include/asm-blackfin/processor.h    (working copy)
   5 @@ -30,6 +30,37 @@
   6  #ifndef __ASM_BLACKFIN_PROCESSOR_H
   7  #define __ASM_BLACKFIN_PROCESSOR_H
   8
   9 -/* Stub to make stupid common code happy */
  10 +#include <linux/types.h>
  11
  12 +/* Get the Silicon Revision of the chip */
  13 +static inline uint32_t __pure bfin_revid(void)
  14 +{
  15 +       /* stored in the upper 4 bits */
  16 +       uint32_t revid = bfin_read_CHIPID() >> 28;
  17 +
  18 +#ifdef __ADSPBF52x__
  19 +       /* ANOMALY_05000357
  20 +        * Incorrect Revision Number in DSPID Register
  21 +        */
  22 +       if (revid == 0)
  23 +               switch (bfin_read16(_BOOTROM_GET_DXE_ADDRESS_TWI)) {
  24 +               case 0x0010:
  25 +                       revid = 0;
  26 +                       break;
  27 +               case 0x2796:
  28 +                       revid = 1;
  29 +                       break;
  30 +               default:
  31 +                       revid = 0xFFFF;
  32 +                       break;
  33 +               }
  34  #endif
  35 +       return revid;
  36 +}
  37 +
  38 +static inline uint32_t __pure bfin_compiled_revid(void)
  39 +{
  40 +       return __SILICON_REVISION__;
  41 +}
  42 +
  43 +#endif
  44 Index: include/asm-blackfin/blackfin_local.h
  45 ===================================================================
  46 --- include/asm-blackfin/blackfin_local.h       (revision 1283)
  47 +++ include/asm-blackfin/blackfin_local.h       (working copy)
  48 @@ -54,8 +54,6 @@
  49
  50  extern u_long get_sclk(void);
  51
  52 -# define bfin_revid() (*pCHIPID >> 28)
  53 -
  54  extern void blackfin_icache_flush_range(const void *, const void *);
  55  extern void blackfin_dcache_flush_range(const void *, const void *);
  56  extern void blackfin_dcache_invalidate_range(const void *, const void *);