jazz.h
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- /*
- * 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) 1995 - 1998 by Andreas Busse and Ralf Baechle
- */
- #ifndef __ASM_JAZZ_H
- #define __ASM_JAZZ_H
- /*
- * The addresses below are virtual address. The mappings are
- * created on startup via wired entries in the tlb. The Mips
- * Magnum R3000 and R4000 machines are similar in many aspects,
- * but many hardware register are accessible at 0xb9000000 in
- * instead of 0xe0000000.
- */
- #define JAZZ_LOCAL_IO_SPACE 0xe0000000
- /*
- * Revision numbers in PICA_ASIC_REVISION
- *
- * 0xf0000000 - Rev1
- * 0xf0000001 - Rev2
- * 0xf0000002 - Rev3
- */
- #define PICA_ASIC_REVISION 0xe0000008
- /*
- * The segments of the seven segment LED are mapped
- * to the control bits as follows:
- *
- * (7)
- * ---------
- * | |
- * (2) | | (6)
- * | (1) |
- * ---------
- * | |
- * (3) | | (5)
- * | (4) |
- * --------- . (0)
- */
- #define PICA_LED 0xe000f000
- /*
- * Some characters for the LED control registers
- * The original Mips machines seem to have a LED display
- * with integrated decoder while the Acer machines can
- * control each of the seven segments and the dot independently.
- * It's only a toy, anyway...
- */
- #define LED_DOT 0x01
- #define LED_SPACE 0x00
- #define LED_0 0xfc
- #define LED_1 0x60
- #define LED_2 0xda
- #define LED_3 0xf2
- #define LED_4 0x66
- #define LED_5 0xb6
- #define LED_6 0xbe
- #define LED_7 0xe0
- #define LED_8 0xfe
- #define LED_9 0xf6
- #define LED_A 0xee
- #define LED_b 0x3e
- #define LED_C 0x9c
- #define LED_d 0x7a
- #define LED_E 0x9e
- #define LED_F 0x8e
- #ifndef __ASSEMBLY__
- extern __inline__ void pica_set_led(unsigned int bits)
- {
- volatile unsigned int *led_register = (unsigned int *) PICA_LED;
- *led_register = bits;
- }
- #endif /* !__ASSEMBLY__ */
- /*
- * Base address of the Sonic Ethernet adapter in Jazz machines.
- */
- #define JAZZ_ETHERNET_BASE 0xe0001000
- /*
- * Base address of the 53C94 SCSI hostadapter in Jazz machines.
- */
- #define JAZZ_SCSI_BASE 0xe0002000
- /*
- * i8042 keyboard controller for JAZZ and PICA chipsets.
- * This address is just a guess and seems to differ from
- * other mips machines such as RC3xxx...
- */
- #define JAZZ_KEYBOARD_ADDRESS 0xe0005000
- #define JAZZ_KEYBOARD_DATA 0xe0005000
- #define JAZZ_KEYBOARD_COMMAND 0xe0005001
- #ifndef __ASSEMBLY__
- typedef struct {
- unsigned char data;
- unsigned char command;
- } jazz_keyboard_hardware;
- typedef struct {
- unsigned char pad0[3];
- unsigned char data;
- unsigned char pad1[3];
- unsigned char command;
- } mips_keyboard_hardware;
- /*
- * For now. Needs to be changed for RC3xxx support. See below.
- */
- #define keyboard_hardware jazz_keyboard_hardware
- #endif /* !__ASSEMBLY__ */
- /*
- * i8042 keyboard controller for most other Mips machines.
- */
- #define MIPS_KEYBOARD_ADDRESS 0xb9005000
- #define MIPS_KEYBOARD_DATA 0xb9005003
- #define MIPS_KEYBOARD_COMMAND 0xb9005007
- /*
- * Serial and parallel ports (WD 16C552) on the Mips JAZZ
- */
- #define JAZZ_SERIAL1_BASE (unsigned int)0xe0006000
- #define JAZZ_SERIAL2_BASE (unsigned int)0xe0007000
- #define JAZZ_PARALLEL_BASE (unsigned int)0xe0008000
- /*
- * Dummy Device Address. Used in jazzdma.c
- */
- #define JAZZ_DUMMY_DEVICE 0xe000d000
-
- /*
- * JAZZ timer registers and interrupt no.
- * Note that the hardware timer interrupt is actually on
- * cpu level 6, but to keep compatibility with PC stuff
- * it is remapped to vector 0. See arch/mips/kernel/entry.S.
- */
- #define JAZZ_TIMER_INTERVAL 0xe0000228
- #define JAZZ_TIMER_REGISTER 0xe0000230
- /*
- * DRAM configuration register
- */
- #ifndef __ASSEMBLY__
- #ifdef __MIPSEL__
- typedef struct {
- unsigned int bank2 : 3;
- unsigned int bank1 : 3;
- unsigned int mem_bus_width : 1;
- unsigned int reserved2 : 1;
- unsigned int page_mode : 1;
- unsigned int reserved1 : 23;
- } dram_configuration;
- #else /* defined (__MIPSEB__) */
- typedef struct {
- unsigned int reserved1 : 23;
- unsigned int page_mode : 1;
- unsigned int reserved2 : 1;
- unsigned int mem_bus_width : 1;
- unsigned int bank1 : 3;
- unsigned int bank2 : 3;
- } dram_configuration;
- #endif
- #endif /* !__ASSEMBLY__ */
- #define PICA_DRAM_CONFIG 0xe00fffe0
- /*
- * JAZZ interrupt control registers
- */
- #define JAZZ_IO_IRQ_SOURCE 0xe0010000
- #define JAZZ_IO_IRQ_ENABLE 0xe0010002
- /*
- * JAZZ interrupt enable bits
- */
- #define JAZZ_IE_PARALLEL (1 << 0)
- #define JAZZ_IE_FLOPPY (1 << 1)
- #define JAZZ_IE_SOUND (1 << 2)
- #define JAZZ_IE_VIDEO (1 << 3)
- #define JAZZ_IE_ETHERNET (1 << 4)
- #define JAZZ_IE_SCSI (1 << 5)
- #define JAZZ_IE_KEYBOARD (1 << 6)
- #define JAZZ_IE_MOUSE (1 << 7)
- #define JAZZ_IE_SERIAL1 (1 << 8)
- #define JAZZ_IE_SERIAL2 (1 << 9)
- /*
- * JAZZ Interrupt Level definitions
- *
- * This is somewhat broken. For reasons which nobody can remember anymore
- * we remap the Jazz interrupts to the usual ISA style interrupt numbers.
- */
- #define JAZZ_PARALLEL_IRQ 16
- #define JAZZ_FLOPPY_IRQ 6 /* needs to be consistent with floppy driver! */
- #define JAZZ_SOUND_IRQ 18
- #define JAZZ_VIDEO_IRQ 19
- #define JAZZ_ETHERNET_IRQ 20
- #define JAZZ_SCSI_IRQ 21
- #define JAZZ_KEYBOARD_IRQ 22
- #define JAZZ_MOUSE_IRQ 23
- #define JAZZ_SERIAL1_IRQ 24
- #define JAZZ_SERIAL2_IRQ 25
- #define JAZZ_TIMER_IRQ 31
- /*
- * JAZZ DMA Channels
- * Note: Channels 4...7 are not used with respect to the Acer PICA-61
- * chipset which does not provide these DMA channels.
- */
- #define JAZZ_SCSI_DMA 0 /* SCSI */
- #define JAZZ_FLOPPY_DMA 1 /* FLOPPY */
- #define JAZZ_AUDIOL_DMA 2 /* AUDIO L */
- #define JAZZ_AUDIOR_DMA 3 /* AUDIO R */
- /*
- * JAZZ R4030 MCT_ADR chip (DMA controller)
- * Note: Virtual Addresses !
- */
- #define JAZZ_R4030_CONFIG 0xE0000000 /* R4030 config register */
- #define JAZZ_R4030_REVISION 0xE0000008 /* same as PICA_ASIC_REVISION */
- #define JAZZ_R4030_INV_ADDR 0xE0000010 /* Invalid Address register */
- #define JAZZ_R4030_TRSTBL_BASE 0xE0000018 /* Translation Table Base */
- #define JAZZ_R4030_TRSTBL_LIM 0xE0000020 /* Translation Table Limit */
- #define JAZZ_R4030_TRSTBL_INV 0xE0000028 /* Translation Table Invalidate */
- #define JAZZ_R4030_CACHE_MTNC 0xE0000030 /* Cache Maintenance */
- #define JAZZ_R4030_R_FAIL_ADDR 0xE0000038 /* Remote Failed Address */
- #define JAZZ_R4030_M_FAIL_ADDR 0xE0000040 /* Memory Failed Address */
- #define JAZZ_R4030_CACHE_PTAG 0xE0000048 /* I/O Cache Physical Tag */
- #define JAZZ_R4030_CACHE_LTAG 0xE0000050 /* I/O Cache Logical Tag */
- #define JAZZ_R4030_CACHE_BMASK 0xE0000058 /* I/O Cache Byte Mask */
- #define JAZZ_R4030_CACHE_BWIN 0xE0000060 /* I/O Cache Buffer Window */
- /*
- * Remote Speed Registers.
- *
- * 0: free, 1: Ethernet, 2: SCSI, 3: Floppy,
- * 4: RTC, 5: Kb./Mouse 6: serial 1, 7: serial 2,
- * 8: parallel, 9: NVRAM, 10: CPU, 11: PROM,
- * 12: reserved, 13: free, 14: 7seg LED, 15: ???
- */
- #define JAZZ_R4030_REM_SPEED 0xE0000070 /* 16 Remote Speed Registers */
- /* 0xE0000070,78,80... 0xE00000E8 */
- #define JAZZ_R4030_IRQ_ENABLE 0xE00000E8 /* Internal Interrupt Enable */
- #define JAZZ_R4030_INVAL_ADDR 0xE0000010 /* Invalid address Register */
- #define JAZZ_R4030_IRQ_SOURCE 0xE0000200 /* Interrupt Source Register */
- #define JAZZ_R4030_I386_ERROR 0xE0000208 /* i386/EISA Bus Error */
- /*
- * Virtual (E)ISA controller address
- */
- #define JAZZ_EISA_IRQ_ACK 0xE0000238 /* EISA interrupt acknowledge */
- /*
- * Access the R4030 DMA and I/O Controller
- */
- #ifndef __ASSEMBLY__
- static inline void r4030_delay(void)
- {
- __asm__ __volatile__(
- ".settnoreordernt"
- "nopnt"
- "nopnt"
- "nopnt"
- "nopnt"
- ".settreorder");
- }
- static inline unsigned short r4030_read_reg16(unsigned addr)
- {
- unsigned short ret = *((volatile unsigned short *)addr);
- r4030_delay();
- return ret;
- }
- static inline unsigned int r4030_read_reg32(unsigned addr)
- {
- unsigned int ret = *((volatile unsigned int *)addr);
- r4030_delay();
- return ret;
- }
- static inline void r4030_write_reg16(unsigned addr, unsigned val)
- {
- *((volatile unsigned short *)addr) = val;
- r4030_delay();
- }
- static inline void r4030_write_reg32(unsigned addr, unsigned val)
- {
- *((volatile unsigned int *)addr) = val;
- r4030_delay();
- }
- #endif /* !__ASSEMBLY__ */
- #define JAZZ_FDC_BASE 0xe0003000
- #define JAZZ_RTC_BASE 0xe0004000
- #define JAZZ_PORT_BASE 0xe2000000
- #define JAZZ_EISA_BASE 0xe3000000
- #endif /* __ASM_JAZZ_H */