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/*
* Definitions for the SGI MACE (Multimedia, Audio and Communications Engine)
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2000 Harald Koerfgen
* Copyright (C) 2004 Ladislav Michl
*/
#ifndef __ASM_MACE_H__
#define __ASM_MACE_H__
/*
* Address map
*/
#define MACE_BASE 0x1f000000 /* physical */
#undef BIT
#define BIT(x) (1UL << (x))
/*
* PCI interface
*/
struct mace_pci {
volatile unsigned int error_addr;
volatile unsigned int error;
#define MACEPCI_ERROR_MASTER_ABORT BIT(31)
#define MACEPCI_ERROR_TARGET_ABORT BIT(30)
#define MACEPCI_ERROR_DATA_PARITY_ERR BIT(29)
#define MACEPCI_ERROR_RETRY_ERR BIT(28)
#define MACEPCI_ERROR_ILLEGAL_CMD BIT(27)
#define MACEPCI_ERROR_SYSTEM_ERR BIT(26)
#define MACEPCI_ERROR_INTERRUPT_TEST BIT(25)
#define MACEPCI_ERROR_PARITY_ERR BIT(24)
#define MACEPCI_ERROR_OVERRUN BIT(23)
#define MACEPCI_ERROR_RSVD BIT(22)
#define MACEPCI_ERROR_MEMORY_ADDR BIT(21)
#define MACEPCI_ERROR_CONFIG_ADDR BIT(20)
#define MACEPCI_ERROR_MASTER_ABORT_ADDR_VALID BIT(19)
#define MACEPCI_ERROR_TARGET_ABORT_ADDR_VALID BIT(18)
#define MACEPCI_ERROR_DATA_PARITY_ADDR_VALID BIT(17)
#define MACEPCI_ERROR_RETRY_ADDR_VALID BIT(16)
#define MACEPCI_ERROR_SIG_TABORT BIT(4)
#define MACEPCI_ERROR_DEVSEL_MASK 0xc0
#define MACEPCI_ERROR_DEVSEL_FAST 0
#define MACEPCI_ERROR_DEVSEL_MED 0x40
#define MACEPCI_ERROR_DEVSEL_SLOW 0x80
#define MACEPCI_ERROR_FBB BIT(1)
#define MACEPCI_ERROR_66MHZ BIT(0)
volatile unsigned int control;
#define MACEPCI_CONTROL_INT(x) BIT(x)
#define MACEPCI_CONTROL_INT_MASK 0xff
#define MACEPCI_CONTROL_SERR_ENA BIT(8)
#define MACEPCI_CONTROL_ARB_N6 BIT(9)
#define MACEPCI_CONTROL_PARITY_ERR BIT(10)
#define MACEPCI_CONTROL_MRMRA_ENA BIT(11)
#define MACEPCI_CONTROL_ARB_N3 BIT(12)
#define MACEPCI_CONTROL_ARB_N4 BIT(13)
#define MACEPCI_CONTROL_ARB_N5 BIT(14)
#define MACEPCI_CONTROL_PARK_LIU BIT(15)
#define MACEPCI_CONTROL_INV_INT(x) BIT(16+x)
#define MACEPCI_CONTROL_INV_INT_MASK 0x00ff0000
#define MACEPCI_CONTROL_OVERRUN_INT BIT(24)
#define MACEPCI_CONTROL_PARITY_INT BIT(25)
#define MACEPCI_CONTROL_SERR_INT BIT(26)
#define MACEPCI_CONTROL_IT_INT BIT(27)
#define MACEPCI_CONTROL_RE_INT BIT(28)
#define MACEPCI_CONTROL_DPED_INT BIT(29)
#define MACEPCI_CONTROL_TAR_INT BIT(30)
#define MACEPCI_CONTROL_MAR_INT BIT(31)
volatile unsigned int rev;
unsigned int _pad[0xcf8/4 - 4];
volatile unsigned int config_addr;
union {
volatile unsigned char b[4];
volatile unsigned short w[2];
volatile unsigned int l;
} config_data;
};
#define MACEPCI_LOW_MEMORY 0x1a000000
#define MACEPCI_LOW_IO 0x18000000
#define MACEPCI_SWAPPED_VIEW 0
#define MACEPCI_NATIVE_VIEW 0x40000000
#define MACEPCI_IO 0x80000000
#define MACEPCI_HI_MEMORY 0x280000000
#define MACEPCI_HI_IO 0x100000000
/*
* Video interface
*/
struct mace_video {
unsigned long xxx; /* later... */
};
/*
* Ethernet interface
*/
struct mace_ethernet {
volatile unsigned long mac_ctrl;
volatile unsigned long int_stat;
volatile unsigned long dma_ctrl;
volatile unsigned long timer;
volatile unsigned long tx_int_al;
volatile unsigned long rx_int_al;
volatile unsigned long tx_info;
volatile unsigned long tx_info_al;
volatile unsigned long rx_buff;
volatile unsigned long rx_buff_al1;
volatile unsigned long rx_buff_al2;
volatile unsigned long diag;
volatile unsigned long phy_data;
volatile unsigned long phy_regs;
volatile unsigned long phy_trans_go;
volatile unsigned long backoff_seed;
/*===================================*/
volatile unsigned long imq_reserved[4];
volatile unsigned long mac_addr;
volatile unsigned long mac_addr2;
volatile unsigned long mcast_filter;
volatile unsigned long tx_ring_base;
/* Following are read-only registers for debugging */
volatile unsigned long tx_pkt1_hdr;
volatile unsigned long tx_pkt1_ptr[3];
volatile unsigned long tx_pkt2_hdr;
volatile unsigned long tx_pkt2_ptr[3];
/*===================================*/
volatile unsigned long rx_fifo;
};
/*
* Peripherals
*/
/* Audio registers */
struct mace_audio {
volatile unsigned long control;
volatile unsigned long codec_control; /* codec status control */
volatile unsigned long codec_mask; /* codec status input mask */
volatile unsigned long codec_read; /* codec status read data */
struct {
volatile unsigned long control; /* channel control */
volatile unsigned long read_ptr; /* channel read pointer */
volatile unsigned long write_ptr; /* channel write pointer */
volatile unsigned long depth; /* channel depth */
} chan[3];
};
/* register definitions for parallel port DMA */
struct mace_parport {
/* 0 - do nothing,
* 1 - pulse terminal count to the device after buffer is drained */
#define MACEPAR_CONTEXT_LASTFLAG BIT(63)
/* Should not cross 4K page boundary */
#define MACEPAR_CONTEXT_DATA_BOUND 0x0000000000001000UL
#define MACEPAR_CONTEXT_DATALEN_MASK 0x00000fff00000000UL
#define MACEPAR_CONTEXT_DATALEN_SHIFT 32
/* Can be arbitrarily aligned on any byte boundary on output,
* 64 byte aligned on input */
#define MACEPAR_CONTEXT_BASEADDR_MASK 0x00000000ffffffffUL
volatile u64 context_a;
volatile u64 context_b;
/* 0 - mem->device, 1 - device->mem */
#define MACEPAR_CTLSTAT_DIRECTION BIT(0)
/* 0 - channel frozen, 1 - channel enabled */
#define MACEPAR_CTLSTAT_ENABLE BIT(1)
/* 0 - channel active, 1 - complete channel reset */
#define MACEPAR_CTLSTAT_RESET BIT(2)
#define MACEPAR_CTLSTAT_CTXB_VALID BIT(3)
#define MACEPAR_CTLSTAT_CTXA_VALID BIT(4)
volatile u64 cntlstat; /* Control/Status register */
#define MACEPAR_DIAG_CTXINUSE BIT(0)
/* 1 - Dma engine is enabled and processing something */
#define MACEPAR_DIAG_DMACTIVE BIT(1)
/* Counter of bytes left */
#define MACEPAR_DIAG_CTRMASK 0x0000000000003ffcUL
#define MACEPAR_DIAG_CTRSHIFT 2
volatile u64 diagnostic; /* RO: diagnostic register */
};
/* ISA Control and DMA registers */
struct mace_isactrl {
volatile unsigned long ringbase;
#define MACEISA_RINGBUFFERS_SIZE (8 * 4096)
volatile unsigned long misc;
#define MACEISA_FLASH_WE BIT(0) /* 1=> Enable FLASH writes */
#define MACEISA_PWD_CLEAR BIT(1) /* 1=> PWD CLEAR jumper detected */
#define MACEISA_NIC_DEASSERT BIT(2)
#define MACEISA_NIC_DATA BIT(3)
#define MACEISA_LED_RED BIT(4) /* 0=> Illuminate red LED */
#define MACEISA_LED_GREEN BIT(5) /* 0=> Illuminate green LED */
#define MACEISA_DP_RAM_ENABLE BIT(6)
volatile unsigned long istat;
volatile unsigned long imask;
#define MACEISA_AUDIO_SW_INT BIT(0)
#define MACEISA_AUDIO_SC_INT BIT(1)
#define MACEISA_AUDIO1_DMAT_INT BIT(2)
#define MACEISA_AUDIO1_OF_INT BIT(3)
#define MACEISA_AUDIO2_DMAT_INT BIT(4)
#define MACEISA_AUDIO2_MERR_INT BIT(5)
#define MACEISA_AUDIO3_DMAT_INT BIT(6)
#define MACEISA_AUDIO3_MERR_INT BIT(7)
#define MACEISA_RTC_INT BIT(8)
#define MACEISA_KEYB_INT BIT(9)
#define MACEISA_KEYB_POLL_INT BIT(10)
#define MACEISA_MOUSE_INT BIT(11)
#define MACEISA_MOUSE_POLL_INT BIT(12)
#define MACEISA_TIMER0_INT BIT(13)
#define MACEISA_TIMER1_INT BIT(14)
#define MACEISA_TIMER2_INT BIT(15)
#define MACEISA_PARALLEL_INT BIT(16)
#define MACEISA_PAR_CTXA_INT BIT(17)
#define MACEISA_PAR_CTXB_INT BIT(18)
#define MACEISA_PAR_MERR_INT BIT(19)
#define MACEISA_SERIAL1_INT BIT(20)
#define MACEISA_SERIAL1_TDMAT_INT BIT(21)
#define MACEISA_SERIAL1_TDMAPR_INT BIT(22)
#define MACEISA_SERIAL1_TDMAME_INT BIT(23)
#define MACEISA_SERIAL1_RDMAT_INT BIT(24)
#define MACEISA_SERIAL1_RDMAOR_INT BIT(25)
#define MACEISA_SERIAL2_INT BIT(26)
#define MACEISA_SERIAL2_TDMAT_INT BIT(27)
#define MACEISA_SERIAL2_TDMAPR_INT BIT(28)
#define MACEISA_SERIAL2_TDMAME_INT BIT(29)
#define MACEISA_SERIAL2_RDMAT_INT BIT(30)
#define MACEISA_SERIAL2_RDMAOR_INT BIT(31)
volatile unsigned long _pad[0x2000/8 - 4];
volatile unsigned long dp_ram[0x400];
struct mace_parport parport;
};
/* Keyboard & Mouse registers
* -> drivers/input/serio/maceps2.c */
struct mace_ps2port {
volatile unsigned long tx;
volatile unsigned long rx;
volatile unsigned long control;
volatile unsigned long status;
};
struct mace_ps2 {
struct mace_ps2port keyb;
struct mace_ps2port mouse;
};
/* I2C registers
* -> drivers/i2c/algos/i2c-algo-sgi.c */
struct mace_i2c {
volatile unsigned long config;
#define MACEI2C_RESET BIT(0)
#define MACEI2C_FAST BIT(1)
#define MACEI2C_DATA_OVERRIDE BIT(2)
#define MACEI2C_CLOCK_OVERRIDE BIT(3)
#define MACEI2C_DATA_STATUS BIT(4)
#define MACEI2C_CLOCK_STATUS BIT(5)
volatile unsigned long control;
volatile unsigned long data;
};
/* Timer registers */
typedef union {
volatile unsigned long ust_msc;
struct reg {
volatile unsigned int ust;
volatile unsigned int msc;
} reg;
} timer_reg;
struct mace_timers {
volatile unsigned long ust;
#define MACE_UST_PERIOD_NS 960
volatile unsigned long compare1;
volatile unsigned long compare2;
volatile unsigned long compare3;
timer_reg audio_in;
timer_reg audio_out1;
timer_reg audio_out2;
timer_reg video_in1;
timer_reg video_in2;
timer_reg video_out;
};
struct mace_perif {
struct mace_audio audio;
char _pad0[0x10000 - sizeof(struct mace_audio)];
struct mace_isactrl ctrl;
char _pad1[0x10000 - sizeof(struct mace_isactrl)];
struct mace_ps2 ps2;
char _pad2[0x10000 - sizeof(struct mace_ps2)];
struct mace_i2c i2c;
char _pad3[0x10000 - sizeof(struct mace_i2c)];
struct mace_timers timers;
char _pad4[0x10000 - sizeof(struct mace_timers)];
};
/*
* ISA peripherals
*/
/* Parallel port */
struct mace_parallel {
};
struct mace_ecp1284 { /* later... */
};
/* Serial port */
struct mace_serial {
volatile unsigned long xxx; /* later... */
};
struct mace_isa {
struct mace_parallel parallel;
char _pad1[0x8000 - sizeof(struct mace_parallel)];
struct mace_ecp1284 ecp1284;
char _pad2[0x8000 - sizeof(struct mace_ecp1284)];
struct mace_serial serial1;
char _pad3[0x8000 - sizeof(struct mace_serial)];
struct mace_serial serial2;
char _pad4[0x8000 - sizeof(struct mace_serial)];
volatile unsigned char rtc[0x10000];
};
struct sgi_mace {
char _reserved[0x80000];
struct mace_pci pci;
char _pad0[0x80000 - sizeof(struct mace_pci)];
struct mace_video video_in1;
char _pad1[0x80000 - sizeof(struct mace_video)];
struct mace_video video_in2;
char _pad2[0x80000 - sizeof(struct mace_video)];
struct mace_video video_out;
char _pad3[0x80000 - sizeof(struct mace_video)];
struct mace_ethernet eth;
char _pad4[0x80000 - sizeof(struct mace_ethernet)];
struct mace_perif perif;
char _pad5[0x80000 - sizeof(struct mace_perif)];
struct mace_isa isa;
char _pad6[0x80000 - sizeof(struct mace_isa)];
};
extern struct sgi_mace *mace;
#endif /* __ASM_MACE_H__ */
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