hw/ppc.h

   1 /* PowerPC hardware exceptions management helpers */
   2 typedef void (*clk_setup_cb)(void *opaque, uint32_t freq);
   3 typedef struct clk_setup_t clk_setup_t;
   4 struct clk_setup_t {
   5     clk_setup_cb cb;
   6     void *opaque;
   7 };
   8 static inline void clk_setup (clk_setup_t *clk, uint32_t freq)
   9 {
  10     if (clk->cb != NULL)
  11         (*clk->cb)(clk->opaque, freq);
  12 }
  13
  14 clk_setup_cb cpu_ppc_tb_init (CPUState *env, uint32_t freq);
  15 /* Embedded PowerPC DCR management */
  16 typedef uint32_t (*dcr_read_cb)(void *opaque, int dcrn);
  17 typedef void (*dcr_write_cb)(void *opaque, int dcrn, uint32_t val);
  18 int ppc_dcr_init (CPUState *env, int (*dcr_read_error)(int dcrn),
  19                   int (*dcr_write_error)(int dcrn));
  20 int ppc_dcr_register (CPUState *env, int dcrn, void *opaque,
  21                       dcr_read_cb drc_read, dcr_write_cb dcr_write);
  22 clk_setup_cb ppc_emb_timers_init (CPUState *env, uint32_t freq);
  23 /* Embedded PowerPC reset */
  24 void ppc40x_core_reset (CPUState *env);
  25 void ppc40x_chip_reset (CPUState *env);
  26 void ppc40x_system_reset (CPUState *env);
  27 void PREP_debug_write (void *opaque, uint32_t addr, uint32_t val);
  28
  29 extern CPUWriteMemoryFunc * const PPC_io_write[];
  30 extern CPUReadMemoryFunc * const PPC_io_read[];
  31 void PPC_debug_write (void *opaque, uint32_t addr, uint32_t val);
  32
  33 void ppc40x_irq_init (CPUState *env);
  34 void ppce500_irq_init (CPUState *env);
  35 void ppc6xx_irq_init (CPUState *env);
  36 void ppc970_irq_init (CPUState *env);
  37
  38 /* PPC machines for OpenBIOS */
  39 enum {
  40     ARCH_PREP = 0,
  41     ARCH_MAC99,
  42     ARCH_HEATHROW,
  43     ARCH_MAC99_U3,
  44 };
  45
  46 #define FW_CFG_PPC_WIDTH        (FW_CFG_ARCH_LOCAL + 0x00)
  47 #define FW_CFG_PPC_HEIGHT       (FW_CFG_ARCH_LOCAL + 0x01)
  48 #define FW_CFG_PPC_DEPTH        (FW_CFG_ARCH_LOCAL + 0x02)
  49 #define FW_CFG_PPC_TBFREQ       (FW_CFG_ARCH_LOCAL + 0x03)
  50
  51 #define PPC_SERIAL_MM_BAUDBASE 399193