1 #ifndef HW_PPC_H 2 #define HW_PPC_H 1 3 4 void ppc_set_irq(PowerPCCPU *cpu, int n_IRQ, int level); 5 6 /* PowerPC hardware exceptions management helpers */ 7 typedef void (*clk_setup_cb)(void *opaque, uint32_t freq); 8 typedef struct clk_setup_t clk_setup_t; 9 struct clk_setup_t { 10 clk_setup_cb cb; 11 void *opaque; 12 }; 13 static inline void clk_setup (clk_setup_t *clk, uint32_t freq) 14 { 15 if (clk->cb != NULL) 16 (*clk->cb)(clk->opaque, freq); 17 } 18 19 struct ppc_tb_t { 20 /* Time base management */ 21 int64_t tb_offset; /* Compensation */ 22 int64_t atb_offset; /* Compensation */ 23 uint32_t tb_freq; /* TB frequency */ 24 /* Decrementer management */ 25 uint64_t decr_next; /* Tick for next decr interrupt */ 26 uint32_t decr_freq; /* decrementer frequency */ 27 struct QEMUTimer *decr_timer; 28 /* Hypervisor decrementer management */ 29 uint64_t hdecr_next; /* Tick for next hdecr interrupt */ 30 struct QEMUTimer *hdecr_timer; 31 uint64_t purr_load; 32 uint64_t purr_start; 33 void *opaque; 34 uint32_t flags; 35 }; 36 37 /* PPC Timers flags */ 38 #define PPC_TIMER_BOOKE (1 << 0) /* Enable Booke support */ 39 #define PPC_TIMER_E500 (1 << 1) /* Enable e500 support */ 40 #define PPC_DECR_UNDERFLOW_TRIGGERED (1 << 2) /* Decr interrupt triggered when 41 * the most significant bit 42 * changes from 0 to 1. 43 */ 44 #define PPC_DECR_ZERO_TRIGGERED (1 << 3) /* Decr interrupt triggered when 45 * the decrementer reaches zero. 46 */ 47 48 uint64_t cpu_ppc_get_tb(ppc_tb_t *tb_env, uint64_t vmclk, int64_t tb_offset); 49 clk_setup_cb cpu_ppc_tb_init (CPUPPCState *env, uint32_t freq); 50 /* Embedded PowerPC DCR management */ 51 typedef uint32_t (*dcr_read_cb)(void *opaque, int dcrn); 52 typedef void (*dcr_write_cb)(void *opaque, int dcrn, uint32_t val); 53 int ppc_dcr_init (CPUPPCState *env, int (*dcr_read_error)(int dcrn), 54 int (*dcr_write_error)(int dcrn)); 55 int ppc_dcr_register (CPUPPCState *env, int dcrn, void *opaque, 56 dcr_read_cb drc_read, dcr_write_cb dcr_write); 57 clk_setup_cb ppc_40x_timers_init (CPUPPCState *env, uint32_t freq, 58 unsigned int decr_excp); 59 60 /* Embedded PowerPC reset */ 61 void ppc40x_core_reset(PowerPCCPU *cpu); 62 void ppc40x_chip_reset(PowerPCCPU *cpu); 63 void ppc40x_system_reset(PowerPCCPU *cpu); 64 void PREP_debug_write (void *opaque, uint32_t addr, uint32_t val); 65 66 extern CPUWriteMemoryFunc * const PPC_io_write[]; 67 extern CPUReadMemoryFunc * const PPC_io_read[]; 68 void PPC_debug_write (void *opaque, uint32_t addr, uint32_t val); 69 70 void ppc40x_irq_init (CPUPPCState *env); 71 void ppce500_irq_init (CPUPPCState *env); 72 void ppc6xx_irq_init (CPUPPCState *env); 73 void ppc970_irq_init (CPUPPCState *env); 74 void ppcPOWER7_irq_init (CPUPPCState *env); 75 76 /* PPC machines for OpenBIOS */ 77 enum { 78 ARCH_PREP = 0, 79 ARCH_MAC99, 80 ARCH_HEATHROW, 81 ARCH_MAC99_U3, 82 }; 83 84 #define FW_CFG_PPC_WIDTH (FW_CFG_ARCH_LOCAL + 0x00) 85 #define FW_CFG_PPC_HEIGHT (FW_CFG_ARCH_LOCAL + 0x01) 86 #define FW_CFG_PPC_DEPTH (FW_CFG_ARCH_LOCAL + 0x02) 87 #define FW_CFG_PPC_TBFREQ (FW_CFG_ARCH_LOCAL + 0x03) 88 #define FW_CFG_PPC_CLOCKFREQ (FW_CFG_ARCH_LOCAL + 0x04) 89 #define FW_CFG_PPC_IS_KVM (FW_CFG_ARCH_LOCAL + 0x05) 90 #define FW_CFG_PPC_KVM_HC (FW_CFG_ARCH_LOCAL + 0x06) 91 #define FW_CFG_PPC_KVM_PID (FW_CFG_ARCH_LOCAL + 0x07) 92 93 #define PPC_SERIAL_MM_BAUDBASE 399193 94 95 /* ppc_booke.c */ 96 void ppc_booke_timers_init(PowerPCCPU *cpu, uint32_t freq, uint32_t flags); 97 98 #endif 99