ppc405ex.h

/*

Constants for manipulating system registers of PPC 405EX in C

Michael Hamel ADInstruments May 2008

*/

#include <libcpu/powerpc-utility.h>
/* Indirect access to Clocking/Power-On registers */
#define CPR0_DCR_BASE   0x0C
#define cprcfga     (CPR0_DCR_BASE+0x0)
#define cprcfgd     (CPR0_DCR_BASE+0x1)

#define mtcpr(reg, d)                   \
  do {                          \
    PPC_SET_DEVICE_CONTROL_REGISTER(cprcfga,reg);   \
    PPC_SET_DEVICE_CONTROL_REGISTER(cprcfgd,d);     \
  } while (0)

#define mfcpr(reg, d)                   \
  do {                          \
    PPC_SET_DEVICE_CONTROL_REGISTER(cprcfga,reg);   \
    d = PPC_DEVICE_CONTROL_REGISTER(cprcfgd);       \
  } while (0)


/* Indirect access to System registers */
#define SDR_DCR_BASE    0x0E
#define sdrcfga     (SDR_DCR_BASE+0x0)
#define sdrcfgd     (SDR_DCR_BASE+0x1)

#define mtsdr(reg, d)                   \
  do {                          \
    PPC_SET_DEVICE_CONTROL_REGISTER(sdrcfga,reg);   \
    PPC_SET_DEVICE_CONTROL_REGISTER(sdrcfgd,d);     \
  } while (0)

#define mfsdr(reg, d)                   \
    do {                        \
      PPC_SET_DEVICE_CONTROL_REGISTER(sdrcfga,reg); \
      d = PPC_DEVICE_CONTROL_REGISTER(sdrcfgd);     \
    } while (0)

/* Indirect access to EBC registers */
#define EBC_DCR_BASE    0x12
#define ebccfga     (EBC_DCR_BASE+0x0)
#define ebccfgd     (EBC_DCR_BASE+0x1)

#define mtebc(reg, d)                   \
  do {                          \
    PPC_SET_DEVICE_CONTROL_REGISTER(ebccfga,reg);   \
    PPC_SET_DEVICE_CONTROL_REGISTER(ebccfgd,d);     \
  } while (0)

#define mfebc(reg, d)                   \
  do {                          \
    PPC_SET_DEVICE_CONTROL_REGISTER(ebccfga,reg);   \
    d = PPC_DEVICE_CONTROL_REGISTER(ebccfgd);       \
  } while (0)

/* EBC DCRs */
enum {
    /*
    EBC0_B0CR   =   0,
    EBC0_B1CR   =   1,
    EBC0_B2CR   =   2,
    EBC0_B3CR   =   3,
    EBC0_B0AP   =   0x10,
    EBC0_B1AP   =   0x11,
    EBC0_B2AP   =   0x12,
    EBC0_B3AP   =   0x13,
    EBC0_BEAR   =   0x20,
    EBC0_BESR   =   0x21,
    EBC0_CFG    =   0x23,
    */
    EBC0_CID    =   0x24
};

enum {
    SDR0_PINSTP = 0x40,
    SDR0_UART0  = 0x120,
    SDR0_UART1  = 0x121,
    SDR0_C405   = 0x180,
    SDR0_SRST0  = 0x200,
    SDR0_MALTBL = 0x280,
    SDR0_MALRBL = 0x2A0,
    SDR0_MALTBS = 0x2C0,
    SDR0_MALRBS = 0x2E0,
    SDR0_PFC2   = 0x4102,
    SDR0_MFR    = 0x4300,
    SDR0_EMAC0RXST = 0x4301,
    SDR0_HSF    = 0x4400
};

enum {
    CPR0_CLKUPD = 0x20,
    CPR0_PLLC = 0x40,
    CPR0_PLLD = 0x60,
    CPR0_CPUD = 0x80,
    CPR0_PLBD = 0xA0,
    CPR0_OPBD = 0xC0,
    CPR0_PERD = 0xE0,
    CPR0_AHBD = 0x100,
    CPR0_ICFG = 0x140
};

/* Memory-mapped registers */


/*======================= Ethernet =================== */

enum {
    EMAC0EXAddress = 0xEF600900,
    EMAC1EXAddress = 0xEF600A00,
    
    /* 405EX-specific bits in EMAC_MR1 */
    keEMAC1000Mbps = 0x00800000,
    keEMAC16KRxFIFO = 0x00280000,
    keEMAC8KRxFIFO  = 0x00200000,
    keEMAC4KRxFIFO  = 0x00180000,
    keEMAC2KRxFIFO  = 0x00100000,
    keEMAC1KRxFIFO  = 0x00080000,
    keEMAC16KTxFIFO = 0x00050000,
    keEMAC8KTxFIFO  = 0x00040000,
    keEMAC4KTxFIFO  = 0x00030000,
    keEMAC2KTxFIFO  = 0x00020000,
    keEMAC1KTxFIFO  = 0x00010000,
    keEMACJumbo     = 0x00000800,
    keEMACIPHYAddr4 = 0x180,
    keEMACOPB50MHz  = 0x00,
    keEMACOPB66MHz  = 0x08,
    keEMACOPB83MHz  = 0x10,
    keEMACOPB100MHz = 0x18,
    keEMACOPBGt100  = 0x20,
    
    /* 405EX-specific bits in MAL0_CFG */
    keMALRdMaxBurst4  = 0,
    keMALRdMaxBurst8  = 0x00100000,
    keMALRdMaxBurst16 = 0x00200000,
    keMALRdMaxBurst32 = 0x00300000,
    
    keMALWrLowPriority    = 0,
    keMALWrMedLowPriority = 0x00040000,
    keMALWrMedHiPriority  = 0x00080000,
    keMALWrHighPriority   = 0x000C0000,

    keMALWrMaxBurst4  = 0,
    keMALWrMaxBurst8  = 0x00010000,
    keMALWrMaxBurst16 = 0x00020000,
    keMALWrMaxBurst32 = 0x00030000,
    
    /* 405EX-specific STA bits */
    keSTARun      = 0x8000,
    keSTADirectRd = 0x1000,
    keSTADirectWr = 0x0800,
    keSTAIndirAddr = 0x2000,
    keSTAIndirRd  = 0x3000,
    keSTAIndirWr  = 0x2800
};

typedef struct GPIORegisters {
    uint32_t OR;
    uint32_t GPIO_TCR;      /* Note that TCR is defined as a DCR name */
    uint32_t OSRL;
    uint32_t OSRH;
    uint32_t TSRL;
    uint32_t TSRH;
    uint32_t ODR;
    uint32_t IR;
    uint32_t RR1;
    uint32_t RR2;
    uint32_t RR3;
    uint32_t unknown;
    uint32_t ISR1L;
    uint32_t ISR1H;
    uint32_t ISR2L;
    uint32_t ISR2H;
    uint32_t ISR3L;
    uint32_t ISR3H;
} GPIORegisters;

enum { GPIOAddress = 0xEF600800 };

typedef struct RGMIIRegisters {
    uint32_t FER;
    uint32_t SSR;
} RGMIIRegisters;

enum { RGMIIAddress = 0xEF600B00 };