/*
* These register addresses have already been adjusted for BE operation
*
* The EISA memory address is completely fictional. Look at mmu.c for
* a translation of Eisamphys into a 33 bit address.
*/
enum
{
Devicephys = 0x80000000,
Eisaphys = 0x90000000, /* IO port physical */
Devicevirt = 0xE0000000,
Dmabase = 0xE0000100,
R4030ier = 0xE00000EC, /* Interrupt enable register */
R4030ipr = 0xE00000EC, /* Interrupt pending register */
R4030Isr = 0xE0000204, /* Interrupt status register */
R4030Et = 0xE000020C, /* Eisa error type */
R4030Rfa = 0xE000003C, /* Remote failed address */
R4030Mfa = 0xE0000044, /* Memory failed address */
Sonicbase = 0xE0001000,
Scsibase = 0xE0002000,
Floppybase = 0xE0003000,
Clockbase = 0xE0004000,
Uart0 = 0xE0006000,
Uart1 = 0xE0007000,
UartFREQ = 8000000,
Centronics = 0xE0008000,
Nvram = 0xE0009000,
NvramRW = 0xE000A000,
NvramRO = 0xE000B000,
Enetoffset = 0,
KeyboardIO = 0xE0005000,
Keyctl = 6,
Keydat = 7,
MouseIO = 0xE0005000,
SoundIO = 0xE000C000,
EisaLatch = 0xE000E007,
Diag = 0xE000F000,
VideoCTL = 0x60000000,
VideoMEM = 0x40000000,
Screenvirt = 0xE2000000,
BTDac = 0xE2400000,
I386ack = 0xE000023f,
EisaControl = 0xE0010000, /* Second 64K Page from Devicevirt */
Eisanmi = EisaControl+0x77,
Rtcindex = Eisanmi,
Rtcdata = 0xE0004007,
Eisamphys = 0x91000000,
Eisavgaphys = Eisamphys+0xA0000,
Eisamvirt = 0xE0300000, /* Second 1M page entry from Intctl */
Intctlphys = 0xF0000000,
Intctlvirt = 0xE0200000,
Uart1int = (1<<9),
Uart0int = (1<<8),
Mouseint = (1<<7),
Keybint = (1<<6),
Scsiint = (1<<5),
Etherint = (1<<4),
Fiberint = (1<<3),
Soundint = (1<<2),
Floppyint = (1<<1),
Parallelint = (1<<0),
Intenareg = 0xE0200004, /* Device interrupt enable */
Intcause = 0xE0200007, /* Decice interrupt cause register */
Promvirt = 0xE1000000, /* From ARCS chipset */
Promphys = 0x1FC00000, /* MIPs processors */
Ttbr = 0xE000001C, /* Translation table base address */
Tlrb = 0xE0000024, /* Translation table limit address */
Tir = 0xE000002C, /* Translation invalidate register */
Ntranslation = 4096, /* Number of translation registers */
};
enum
{
SB16pcm = 100,
};
typedef struct Tte Tte;
struct Tte
{
ulong hi;
ulong lo;
};
#define IO(type, reg) (*(type*)(reg))
#define QUAD(type, v) (type*)(((ulong)(v)+7)&~7)
#define CACHELINE(type, v) (type*)(((ulong)(v)+127)&~127)
#define UNCACHED(type, v) (type*)((ulong)(v)|0xA0000000)
#define EISA(v) (Eisamvirt+(v))
#define EISAINB(port) (*(uchar*)((EisaControl+(port))^7))
#define EISAINW(port) (*(ushort*)((EisaControl+(port))^6))
#define EISAOUTB(port, v) EISAINB(port) = v
#define EISAOUTW(port, v) EISAINW(port) = v
/*
* 8259 interrupt controllers
*/
enum
{
Int0vec= 0, /* first 8259 */
Clockvec= Int0vec+0, /* clock interrupts */
Kbdvec= Int0vec+1, /* keyboard interrupts */
Uart1vec= Int0vec+3, /* modem line */
Uart0vec= Int0vec+4, /* serial line */
PCMCIAvec= Int0vec+5, /* PCMCIA card change */
Floppyvec= Int0vec+6, /* floppy interrupts */
Parallelvec= Int0vec+7, /* parallel port interrupts */
Int1vec= Int0vec+8, /* second 8259 */
Ethervec= Int0vec+10, /* ethernet interrupt */
Mousevec= Int0vec+12, /* mouse interrupt */
Matherr2vec= Int0vec+13, /* math coprocessor */
Hardvec= Int0vec+14, /* hard disk */
Int0ctl= 0x20, /* control port (ICW1, OCW2, OCW3) */
Int0aux= 0x21, /* everything else (ICW2, ICW3, ICW4, OCW1) */
Int1ctl= 0xA0, /* control port */
Int1aux= 0xA1, /* everything else (ICW2, ICW3, ICW4, OCW1) */
EOI= 0x20, /* non-specific end of interrupt */
};
extern int int0mask; /* interrupts enabled for first 8259 */
extern int int1mask; /* interrupts enabled for second 8259 */