1 #ifndef HW_PPC_H 2 #define HW_PPC_H 3 4 #include "target/ppc/cpu-qom.h" 5 6 void ppc_set_irq(PowerPCCPU *cpu, int n_IRQ, int level); 7 8 /* PowerPC hardware exceptions management helpers */ 9 typedef void (*clk_setup_cb)(void *opaque, uint32_t freq); 10 typedef struct clk_setup_t clk_setup_t; 11 struct clk_setup_t { 12 clk_setup_cb cb; 13 void *opaque; 14 }; 15 static inline void clk_setup (clk_setup_t *clk, uint32_t freq) 16 { 17 if (clk->cb != NULL) 18 (*clk->cb)(clk->opaque, freq); 19 } 20 21 struct ppc_tb_t { 22 /* Time base management */ 23 int64_t tb_offset; /* Compensation */ 24 int64_t atb_offset; /* Compensation */ 25 uint32_t tb_freq; /* TB frequency */ 26 /* Decrementer management */ 27 uint64_t decr_next; /* Tick for next decr interrupt */ 28 uint32_t decr_freq; /* decrementer frequency */ 29 QEMUTimer *decr_timer; 30 /* Hypervisor decrementer management */ 31 uint64_t hdecr_next; /* Tick for next hdecr interrupt */ 32 QEMUTimer *hdecr_timer; 33 uint64_t purr_load; 34 uint64_t purr_start; 35 void *opaque; 36 uint32_t flags; 37 }; 38 39 /* PPC Timers flags */ 40 #define PPC_TIMER_BOOKE (1 << 0) /* Enable Booke support */ 41 #define PPC_TIMER_E500 (1 << 1) /* Enable e500 support */ 42 #define PPC_DECR_UNDERFLOW_TRIGGERED (1 << 2) /* Decr interrupt triggered when 43 * the most significant bit 44 * changes from 0 to 1. 45 */ 46 #define PPC_DECR_ZERO_TRIGGERED (1 << 3) /* Decr interrupt triggered when 47 * the decrementer reaches zero. 48 */ 49 #define PPC_DECR_UNDERFLOW_LEVEL (1 << 4) /* Decr interrupt active when 50 * the most significant bit is 1. 51 */ 52 53 uint64_t cpu_ppc_get_tb(ppc_tb_t *tb_env, uint64_t vmclk, int64_t tb_offset); 54 clk_setup_cb cpu_ppc_tb_init (CPUPPCState *env, uint32_t freq); 55 /* Embedded PowerPC DCR management */ 56 typedef uint32_t (*dcr_read_cb)(void *opaque, int dcrn); 57 typedef void (*dcr_write_cb)(void *opaque, int dcrn, uint32_t val); 58 int ppc_dcr_init (CPUPPCState *env, int (*dcr_read_error)(int dcrn), 59 int (*dcr_write_error)(int dcrn)); 60 int ppc_dcr_register (CPUPPCState *env, int dcrn, void *opaque, 61 dcr_read_cb drc_read, dcr_write_cb dcr_write); 62 clk_setup_cb ppc_40x_timers_init (CPUPPCState *env, uint32_t freq, 63 unsigned int decr_excp); 64 65 /* Embedded PowerPC reset */ 66 void ppc40x_core_reset(PowerPCCPU *cpu); 67 void ppc40x_chip_reset(PowerPCCPU *cpu); 68 void ppc40x_system_reset(PowerPCCPU *cpu); 69 void PPC_debug_write (void *opaque, uint32_t addr, uint32_t val); 70 71 #if defined(CONFIG_USER_ONLY) 72 static inline void ppc40x_irq_init(PowerPCCPU *cpu) {} 73 static inline void ppc6xx_irq_init(PowerPCCPU *cpu) {} 74 static inline void ppc970_irq_init(PowerPCCPU *cpu) {} 75 static inline void ppcPOWER7_irq_init(PowerPCCPU *cpu) {} 76 static inline void ppce500_irq_init(PowerPCCPU *cpu) {} 77 #else 78 void ppc40x_irq_init(PowerPCCPU *cpu); 79 void ppce500_irq_init(PowerPCCPU *cpu); 80 void ppc6xx_irq_init(PowerPCCPU *cpu); 81 void ppc970_irq_init(PowerPCCPU *cpu); 82 void ppcPOWER7_irq_init(PowerPCCPU *cpu); 83 #endif 84 85 /* PPC machines for OpenBIOS */ 86 enum { 87 ARCH_PREP = 0, 88 ARCH_MAC99, 89 ARCH_HEATHROW, 90 ARCH_MAC99_U3, 91 }; 92 93 #define FW_CFG_PPC_WIDTH (FW_CFG_ARCH_LOCAL + 0x00) 94 #define FW_CFG_PPC_HEIGHT (FW_CFG_ARCH_LOCAL + 0x01) 95 #define FW_CFG_PPC_DEPTH (FW_CFG_ARCH_LOCAL + 0x02) 96 #define FW_CFG_PPC_TBFREQ (FW_CFG_ARCH_LOCAL + 0x03) 97 #define FW_CFG_PPC_CLOCKFREQ (FW_CFG_ARCH_LOCAL + 0x04) 98 #define FW_CFG_PPC_IS_KVM (FW_CFG_ARCH_LOCAL + 0x05) 99 #define FW_CFG_PPC_KVM_HC (FW_CFG_ARCH_LOCAL + 0x06) 100 #define FW_CFG_PPC_KVM_PID (FW_CFG_ARCH_LOCAL + 0x07) 101 #define FW_CFG_PPC_NVRAM_ADDR (FW_CFG_ARCH_LOCAL + 0x08) 102 #define FW_CFG_PPC_BUSFREQ (FW_CFG_ARCH_LOCAL + 0x09) 103 104 #define PPC_SERIAL_MM_BAUDBASE 399193 105 106 /* ppc_booke.c */ 107 void ppc_booke_timers_init(PowerPCCPU *cpu, uint32_t freq, uint32_t flags); 108 109 void ppc_cpu_parse_features(const char *cpu_model); 110 #endif 111