gemini.h
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:4k
- /*
- * BK Id: SCCS/s.gemini.h 1.5 05/17/01 18:14:24 cort
- */
- /*
- * include/asm-ppc/gemini.h
- *
- *
- * Onboard registers and descriptions for Synergy Microsystems'
- * "Gemini" boards.
- *
- */
- #ifdef __KERNEL__
- #ifndef __PPC_GEMINI_H
- #define __PPC_GEMINI_H
- /* Registers */
- #define GEMINI_SERIAL_B (0xffeffb00)
- #define GEMINI_SERIAL_A (0xffeffb08)
- #define GEMINI_USWITCH (0xffeffd00)
- #define GEMINI_BREV (0xffeffe00)
- #define GEMINI_BECO (0xffeffe08)
- #define GEMINI_FEAT (0xffeffe10)
- #define GEMINI_BSTAT (0xffeffe18)
- #define GEMINI_CPUSTAT (0xffeffe20)
- #define GEMINI_L2CFG (0xffeffe30)
- #define GEMINI_MEMCFG (0xffeffe38)
- #define GEMINI_FLROM (0xffeffe40)
- #define GEMINI_P0PCI (0xffeffe48)
- #define GEMINI_FLWIN (0xffeffe50)
- #define GEMINI_P0INTMASK (0xffeffe60)
- #define GEMINI_P0INTAP (0xffeffe68)
- #define GEMINI_PCIERR (0xffeffe70)
- #define GEMINI_LEDBASE (0xffeffe80)
- #define GEMINI_RTC (0xffe9fff8)
- #define GEMINI_LEDS 8
- #define GEMINI_SWITCHES 8
- /* Flash ROM bit definitions */
- #define GEMINI_FLS_WEN (1<<0)
- #define GEMINI_FLS_JMP (1<<6)
- #define GEMINI_FLS_BOOT (1<<7)
- /* Memory bit definitions */
- #define GEMINI_MEM_TYPE_MASK 0xc0
- #define GEMINI_MEM_SIZE_MASK 0x38
- #define GEMINI_MEM_BANK_MASK 0x07
- /* L2 cache bit definitions */
- #define GEMINI_L2_SIZE_MASK 0xc0
- #define GEMINI_L2_RATIO_MASK 0x03
- /* Timebase register bit definitons */
- #define GEMINI_TIMEB0_EN (1<<0)
- #define GEMINI_TIMEB1_EN (1<<1)
- #define GEMINI_TIMEB2_EN (1<<2)
- #define GEMINI_TIMEB3_EN (1<<3)
- /* CPU status bit definitions */
- #define GEMINI_CPU_ID_MASK 0x03
- #define GEMINI_CPU_COUNT_MASK 0x0c
- #define GEMINI_CPU0_HALTED (1<<4)
- #define GEMINI_CPU1_HALTED (1<<5)
- #define GEMINI_CPU2_HALTED (1<<6)
- #define GEMINI_CPU3_HALTED (1<<7)
- /* Board status bit definitions */
- #define GEMINI_BRD_FAIL (1<<0) /* FAIL led is lit */
- #define GEMINI_BRD_BUS_MASK 0x0c /* PowerPC bus speed */
- /* Board family/feature bit descriptions */
- #define GEMINI_FEAT_HAS_FLASH (1<<0)
- #define GEMINI_FEAT_HAS_ETH (1<<1)
- #define GEMINI_FEAT_HAS_SCSI (1<<2)
- #define GEMINI_FEAT_HAS_P0 (1<<3)
- #define GEMINI_FEAT_FAM_MASK 0xf0
- /* Mod/ECO bit definitions */
- #define GEMINI_ECO_LEVEL_MASK 0x0f
- #define GEMINI_MOD_MASK 0xf0
- /* Type/revision bit definitions */
- #define GEMINI_REV_MASK 0x0f
- #define GEMINI_TYPE_MASK 0xf0
- /* User switch definitions */
- #define GEMINI_SWITCH_VERBOSE 1 /* adds "debug" to boot cmd line */
- #define GEMINI_SWITCH_SINGLE_USER 7 /* boots into "single-user" mode */
- #define SGS_RTC_CONTROL 0
- #define SGS_RTC_SECONDS 1
- #define SGS_RTC_MINUTES 2
- #define SGS_RTC_HOURS 3
- #define SGS_RTC_DAY 4
- #define SGS_RTC_DAY_OF_MONTH 5
- #define SGS_RTC_MONTH 6
- #define SGS_RTC_YEAR 7
- #define SGS_RTC_SET 0x80
- #define SGS_RTC_IS_STOPPED 0x80
- #define GRACKLE_CONFIG_ADDR_ADDR (0xfec00000)
- #define GRACKLE_CONFIG_DATA_ADDR (0xfee00000)
- #define GEMINI_BOOT_INIT (0xfff00100)
- #ifndef __ASSEMBLY__
- static inline void grackle_write( unsigned long addr, unsigned long data )
- {
- __asm__ __volatile__(
- " stwbrx %1, 0, %0n
- syncn
- stwbrx %3, 0, %2n
- sync "
- : /* no output */
- : "r" (GRACKLE_CONFIG_ADDR_ADDR), "r" (addr),
- "r" (GRACKLE_CONFIG_DATA_ADDR), "r" (data));
- }
- static inline unsigned long grackle_read( unsigned long addr )
- {
- unsigned long val;
- __asm__ __volatile__(
- " stwbrx %1, 0, %2n
- syncn
- lwbrx %0, 0, %3n
- sync "
- : "=r" (val)
- : "r" (addr), "r" (GRACKLE_CONFIG_ADDR_ADDR),
- "r" (GRACKLE_CONFIG_DATA_ADDR));
- return val;
- }
- static inline void gemini_led_on( int led )
- {
- if (led >= 0 && led < GEMINI_LEDS)
- *(unsigned char *)(GEMINI_LEDBASE + (led<<3)) = 1;
- }
- static inline void gemini_led_off(int led)
- {
- if (led >= 0 && led < GEMINI_LEDS)
- *(unsigned char *)(GEMINI_LEDBASE + (led<<3)) = 0;
- }
- static inline int gemini_led_val(int led)
- {
- int val = 0;
- if (led >= 0 && led < GEMINI_LEDS)
- val = *(unsigned char *)(GEMINI_LEDBASE + (led<<3));
- return (val & 0x1);
- }
- /* returns processor id from the board */
- static inline int gemini_processor(void)
- {
- unsigned char cpu = *(unsigned char *)(GEMINI_CPUSTAT);
- return (int) ((cpu == 0) ? 4 : (cpu & GEMINI_CPU_ID_MASK));
- }
- extern void _gemini_reboot(void);
- extern void gemini_prom_init(void);
- extern void gemini_init_l2(void);
- #endif /* __ASSEMBLY__ */
- #endif
- #endif /* __KERNEL__ */