ref: 254b07675e1a5348f2a8723f55e6b5b1b18a4721
dir: /os/js/io.h/
/*
* most device registers are memory mapped, but
* a few things are accessed using putphys/getphys
*/
#define SBUS(n) (0x30000000+(n)*0x10000000)
#define FRAMEBUF(n) SBUS(n)
#define FRAMEBUFID(n) (SBUS(n)+0x000000)
#define DISPLAYRAM(n) (SBUS(n)+0x800000)
#define CLOCK 0x71D00000
#define CLOCKFREQ 1000000 /* one microsecond increments */
#define SUPERIO_PHYS_PAGE 0x71300000
#define SUPERIO_INDEX_OFFSET 0x398
#define SUPERIO_DATA_OFFSET 0x399
#define SUPERIO_MOUSE_KBD_DATA_PORT 0x60
#define SUPERIO_MOUSE_KBD_CTL_PORT 0x64
#define AUDIO_PHYS_PAGE 0x66666666
#define AUDIO_INDEX_OFFSET 0x830
enum
{
Mousevec = 13,
Kbdvec = 13
};
#define NVR_CKSUM_PHYS 0x71200000 /* non-volatile RAM cksum page */
#define NVR_PHYS 0x71201000 /* non-volatile RAM */
#define DMA 0x78400000 /* SCSI and Ether DMA registers */
#define SCSI 0x78800000 /* NCR53C90 registers */
#define ETHER 0x78C00000 /* RDP, RAP */
#define FLOPPY 0x71400000
#define SYSINTR 0x71E10000 /* system interrupt control registers */
#define TIMECONFIG 0x71D10010 /* timer configuration register (phys) */
#define AUXIO1 0x71900000
#define AUXIO2 0x71910000
typedef struct Sysint Sysint;
struct Sysint
{
ulong pending;
ulong mask;
ulong maskclr;
ulong maskset;
ulong target;
};
enum {
MaskAllIntr = 1<<31,
MEIntr = 1<<30,
MSIIntr = 1<<29,
EMCIntr = 1<<28,
VideoIntr = 1<<20, /* supersparc only */
Timer10 = 1<<19,
EtherIntr = 1<<16,
SCCIntr = 1<<15,
KbdIntr = 1<<13,
/* bits 7 to 13 are SBUS levels 1 to 7 */
};
#define SBUSINTR(x) (1<<((x)+6))
typedef struct SCCdev SCCdev;
struct SCCdev
{
uchar ptrb;
uchar dummy1;
uchar datab;
uchar dummy2;
uchar ptra;
uchar dummy3;
uchar dataa;
uchar dummy4;
};
/*
* non-volatile ram
*/
#define NVREAD (4096-32) /* minus RTC */
#define NVWRITE (0x800) /* */
#define IDOFF (4096-8-32)
/*
* real-time clock
*/
typedef struct RTCdev RTCdev;
struct RTCdev
{
uchar control; /* read or write the device */
uchar sec;
uchar min;
uchar hour;
uchar wday;
uchar mday;
uchar mon;
uchar year;
};
#define RTCOFF 0xFF8
#define RTCREAD (0x40)
#define RTCWRITE (0x80)
/*
* dma
*/
typedef struct DMAdev DMAdev;
struct DMAdev {
/* ESP/SCSI DMA */
ulong csr; /* Control/Status */
ulong addr; /* address in 16Mb segment */
ulong count; /* transfer byte count */
ulong diag;
/* Ether DMA */
ulong ecsr; /* Control/Status */
ulong ediag;
ulong cache; /* cache valid bits */
uchar base; /* base address (16Mb segment) */
};
enum {
Int_pend = 0x00000001, /* interrupt pending */
Err_pend = 0x00000002, /* error pending */
Pack_cnt = 0x0000000C, /* pack count (mask) */
Int_en = 0x00000010, /* interrupt enable */
Dma_Flush = 0x00000020, /* flush pack end error */
Drain = 0x00000040, /* drain pack to memory */
Dma_Reset = 0x00000080, /* hardware reset (sticky) */
Write = 0x00000100, /* set for device to memory (!) */
En_dma = 0x00000200, /* enable DMA */
Req_pend = 0x00000400, /* request pending */
Byte_addr = 0x00001800, /* next byte addr (mask) */
En_cnt = 0x00002000, /* enable count */
Tc = 0x00004000, /* terminal count */
Ilacc = 0x00008000, /* which ether chip */
Dev_id = 0xF0000000, /* device ID */
};
/*
* NCR53C90 SCSI controller (every 4th location)
*/
typedef struct SCSIdev SCSIdev;
struct SCSIdev {
uchar countlo; /* byte count, low bits */
uchar pad1[3];
uchar countmi; /* byte count, middle bits */
uchar pad2[3];
uchar fifo; /* data fifo */
uchar pad3[3];
uchar cmd; /* command byte */
uchar pad4[3];
union {
struct { /* read only... */
uchar status; /* status */
uchar pad05[3];
uchar intr; /* interrupt status */
uchar pad06[3];
uchar step; /* sequence step */
uchar pad07[3];
uchar fflags; /* fifo flags */
uchar pad08[3];
uchar config; /* RW: configuration */
uchar pad09[3];
uchar Reserved1;
uchar pad0A[3];
uchar Reserved2;
uchar pad0B[3];
uchar conf2; /* RW: configuration */
uchar pad0C[3];
uchar conf3; /* RW: configuration */
uchar pad0D[3];
uchar partid; /* unique part id */
uchar pad0E[3];
uchar fbottom; /* RW: fifo bottom */
uchar pad0F[3];
};
struct { /* write only... */
uchar destid; /* destination id */
uchar pad15[3];
uchar timeout; /* during selection */
uchar pad16[3];
uchar syncperiod; /* synchronous xfr period */
uchar pad17[3];
uchar syncoffset; /* synchronous xfr offset */
uchar pad18[3];
uchar RW0;
uchar pad19[3];
uchar clkconf;
uchar pad1A[3];
uchar test;
uchar pad1B[3];
uchar RW1;
uchar pad1C[3];
uchar RW2;
uchar pad1D[3];
uchar counthi; /* byte count, hi bits */
uchar pad1E[3];
uchar RW3;
uchar pad1F[3];
};
};
};
/*
* DMA2 ENET
*/
enum {
E_Int_pend = 0x00000001, /* interrupt pending */
E_Err_pend = 0x00000002, /* error pending */
E_draining = 0x0000000C, /* E-cache draining */
E_Int_en = 0x00000010, /* interrupt enable */
E_Invalidate = 0x00000020, /* mark E-cache invalid */
E_Slave_err = 0x00000040, /* slave access size error (sticky) */
E_Reset = 0x00000080, /* invalidate cache & reset interface (sticky) */
E_Drain = 0x00000400, /* force draining of E-cache to memory */
E_Dsbl_wr_drn = 0x00000800, /* disable E-cache drain on descriptor writes from ENET */
E_Dsbl_rd_drn = 0x00001000, /* disable E-cache drain on slave reads to ENET */
E_Ilacc = 0x00008000, /* `modifies ENET DMA cycle' */
E_Dsbl_buf_wr = 0x00010000, /* disable buffering of slave writes to ENET */
E_Dsbl_wr_inval = 0x00020000, /* do not invalidate E-cache on slave writes */
E_Burst_size = 0x000C0000, /* DMA burst size */
E_Loop_test = 0x00200000, /* loop back mode */
E_TP_select = 0x00400000, /* zero for AUI mode */
E_Dev_id = 0xF0000000, /* device ID */
};