include/hw/misc/aspeed_scu.h

   1 /*
   2  * ASPEED System Control Unit
   3  *
   4  * Andrew Jeffery <andrew@aj.id.au>
   5  *
   6  * Copyright 2016 IBM Corp.
   7  *
   8  * This code is licensed under the GPL version 2 or later.  See
   9  * the COPYING file in the top-level directory.
  10  */
  11 #ifndef ASPEED_SCU_H
  12 #define ASPEED_SCU_H
  13
  14 #include "hw/sysbus.h"
  15
  16 #define TYPE_ASPEED_SCU "aspeed.scu"
  17 #define ASPEED_SCU(obj) OBJECT_CHECK(AspeedSCUState, (obj), TYPE_ASPEED_SCU)
  18
  19 #define ASPEED_SCU_NR_REGS (0x1A8 >> 2)
  20
  21 typedef struct AspeedSCUState {
  22     /*< private >*/
  23     SysBusDevice parent_obj;
  24
  25     /*< public >*/
  26     MemoryRegion iomem;
  27
  28     uint32_t regs[ASPEED_SCU_NR_REGS];
  29     uint32_t silicon_rev;
  30     uint32_t hw_strap1;
  31     uint32_t hw_strap2;
  32 } AspeedSCUState;
  33
  34 #define AST2400_A0_SILICON_REV   0x02000303U
  35 #define AST2500_A0_SILICON_REV   0x04000303U
  36
  37 extern bool is_supported_silicon_rev(uint32_t silicon_rev);
  38
  39 #endif /* ASPEED_SCU_H */