/*
* 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 0 xb9000000 in
* instead of 0 xe0000000 .
*/
#define JAZZ_LOCAL_IO_SPACE 0 xe0000000
/*
* Revision numbers in PICA_ASIC_REVISION
*
* 0 xf0000000 - Rev1
* 0 xf0000001 - Rev2
* 0 xf0000002 - Rev3
*/
#define PICA_ASIC_REVISION 0 xe0000008
/*
* 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 0 xe000f000
/*
* 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 0 x01
#define LED_SPACE 0 x00
#define LED_0 0 xfc
#define LED_1 0 x60
#define LED_2 0 xda
#define LED_3 0 xf2
#define LED_4 0 x66
#define LED_5 0 xb6
#define LED_6 0 xbe
#define LED_7 0 xe0
#define LED_8 0 xfe
#define LED_9 0 xf6
#define LED_A 0 xee
#define LED_b 0 x3e
#define LED_C 0 x9c
#define LED_d 0 x7a
#define LED_E 0 x9e
#define LED_F 0 x8e
#ifndef __ASSEMBLY__
static __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 0 xe0001000
/*
* Base address of the 53 C94 SCSI hostadapter in Jazz machines .
*/
#define JAZZ_SCSI_BASE 0 xe0002000
/*
* 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 0 xe0005000
#define JAZZ_KEYBOARD_DATA 0 xe0005000
#define JAZZ_KEYBOARD_COMMAND 0 xe0005001
#ifndef __ASSEMBLY__
typedef struct {
unsigned char data;
unsigned char command;
} jazz_keyboard_hardware;
#define jazz_kh ((keyboard_hardware *) JAZZ_KEYBOARD_ADDRESS)
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 0 xb9005000
#define MIPS_KEYBOARD_DATA 0 xb9005003
#define MIPS_KEYBOARD_COMMAND 0 xb9005007
/*
* Serial and parallel ports ( WD 16 C552 ) on the Mips JAZZ
*/
#define JAZZ_SERIAL1_BASE (unsigned int )0 xe0006000
#define JAZZ_SERIAL2_BASE (unsigned int )0 xe0007000
#define JAZZ_PARALLEL_BASE (unsigned int )0 xe0008000
/*
* Dummy Device Address . Used in jazzdma . c
*/
#define JAZZ_DUMMY_DEVICE 0 xe000d000
/*
* 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 0 xe0000228
#define JAZZ_TIMER_REGISTER 0 xe0000230
/*
* 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 0 xe00fffe0
/*
* JAZZ interrupt control registers
*/
#define JAZZ_IO_IRQ_SOURCE 0 xe0010000
#define JAZZ_IO_IRQ_ENABLE 0 xe0010002
/*
* 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_IRQ_START 24
#define JAZZ_IRQ_END (24 + 9 )
#define JAZZ_PARALLEL_IRQ (JAZZ_IRQ_START + 0 )
#define JAZZ_FLOPPY_IRQ (JAZZ_IRQ_START + 1 )
#define JAZZ_SOUND_IRQ (JAZZ_IRQ_START + 2 )
#define JAZZ_VIDEO_IRQ (JAZZ_IRQ_START + 3 )
#define JAZZ_ETHERNET_IRQ (JAZZ_IRQ_START + 4 )
#define JAZZ_SCSI_IRQ (JAZZ_IRQ_START + 5 )
#define JAZZ_KEYBOARD_IRQ (JAZZ_IRQ_START + 6 )
#define JAZZ_MOUSE_IRQ (JAZZ_IRQ_START + 7 )
#define JAZZ_SERIAL1_IRQ (JAZZ_IRQ_START + 8 )
#define JAZZ_SERIAL2_IRQ (JAZZ_IRQ_START + 9 )
#define JAZZ_TIMER_IRQ (MIPS_CPU_IRQ_BASE+6 )
/*
* 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 0 xE0000000 /* R4030 config register */
#define JAZZ_R4030_REVISION 0 xE0000008 /* same as PICA_ASIC_REVISION */
#define JAZZ_R4030_INV_ADDR 0 xE0000010 /* Invalid Address register */
#define JAZZ_R4030_TRSTBL_BASE 0 xE0000018 /* Translation Table Base */
#define JAZZ_R4030_TRSTBL_LIM 0 xE0000020 /* Translation Table Limit */
#define JAZZ_R4030_TRSTBL_INV 0 xE0000028 /* Translation Table Invalidate */
#define JAZZ_R4030_CACHE_MTNC 0 xE0000030 /* Cache Maintenance */
#define JAZZ_R4030_R_FAIL_ADDR 0 xE0000038 /* Remote Failed Address */
#define JAZZ_R4030_M_FAIL_ADDR 0 xE0000040 /* Memory Failed Address */
#define JAZZ_R4030_CACHE_PTAG 0 xE0000048 /* I/O Cache Physical Tag */
#define JAZZ_R4030_CACHE_LTAG 0 xE0000050 /* I/O Cache Logical Tag */
#define JAZZ_R4030_CACHE_BMASK 0 xE0000058 /* I/O Cache Byte Mask */
#define JAZZ_R4030_CACHE_BWIN 0 xE0000060 /* 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 : 7 seg LED , 15 : ? ? ?
*/
#define JAZZ_R4030_REM_SPEED 0 xE0000070 /* 16 Remote Speed Registers */
/* 0xE0000070,78,80... 0xE00000E8 */
#define JAZZ_R4030_IRQ_ENABLE 0 xE00000E8 /* Internal Interrupt Enable */
#define JAZZ_R4030_INVAL_ADDR 0 xE0000010 /* Invalid address Register */
#define JAZZ_R4030_IRQ_SOURCE 0 xE0000200 /* Interrupt Source Register */
#define JAZZ_R4030_I386_ERROR 0 xE0000208 /* i386/EISA Bus Error */
/*
* Virtual ( E ) ISA controller address
*/
#define JAZZ_EISA_IRQ_ACK 0 xE0000238 /* EISA interrupt acknowledge */
/*
* Access the R4030 DMA and I / O Controller
*/
#ifndef __ASSEMBLY__
static inline void r4030_delay(void )
{
__asm__ __volatile__(
".set\tnoreorder\n\t"
"nop\n\t"
"nop\n\t"
"nop\n\t"
"nop\n\t"
".set\treorder" );
}
static inline unsigned short r4030_read_reg16(unsigned long addr)
{
unsigned short ret = *((volatile unsigned short *)addr);
r4030_delay();
return ret;
}
static inline unsigned int r4030_read_reg32(unsigned long addr)
{
unsigned int ret = *((volatile unsigned int *)addr);
r4030_delay();
return ret;
}
static inline void r4030_write_reg16(unsigned long addr, unsigned val)
{
*((volatile unsigned short *)addr) = val;
r4030_delay();
}
static inline void r4030_write_reg32(unsigned long addr, unsigned val)
{
*((volatile unsigned int *)addr) = val;
r4030_delay();
}
#endif /* !__ASSEMBLY__ */
#define JAZZ_FDC_BASE 0 xe0003000
#define JAZZ_RTC_BASE 0 xe0004000
#define JAZZ_PORT_BASE 0 xe2000000
#define JAZZ_EISA_BASE 0 xe3000000
#endif /* __ASM_JAZZ_H */
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