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Last change
on this file was
76,
checked in by megakiss, 10 years ago
|
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1W 대기전력을 만족시키기 위하여 POWEROFF시 튜너를 Standby 상태로 함
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-
Property svn:executable set to
*
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|
File size:
1.4 KB
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| Line | |
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| 1 | /* |
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| 2 | #************************************************************************ |
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| 3 | #* InitEbi: Initializes the EBI for proper chip-select operation * |
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| 4 | #* * |
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| 5 | #* SYNTAX: void InitEbi(void); * |
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| 6 | #* RETURNS: * |
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| 7 | #* * |
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| 8 | #* Configuration * |
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| 9 | #* CS[0] - ROM or flash @ 0x1F000000 * |
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| 10 | #* CS[1] - Flash if boot from ROM @ 0x1E000000 * |
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| 11 | #* * |
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| 12 | #************************************************************************ |
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| 13 | */ |
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| 14 | |
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| 15 | InitEbi: |
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| 16 | .set noreorder |
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| 17 | li t1,EBI_ADR_BASE |
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| 18 | lw t0, CS0CNTL(t1) |
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| 19 | and t0, t0, EBI_WORD_WIDE |
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| 20 | bnez t0, InitEbi_exit /* if booting from flash, we're done */ |
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| 21 | nop |
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| 22 | |
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| 23 | |
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| 24 | /* Chip Select # 0 */ |
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| 25 | li t2,PHYS_CS0_DEV_BASE | EBI_SIZE_16M |
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| 26 | sw t2,CS0BASE(t1) //# CS[0] Base |
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| 27 | |
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| 28 | /* Chip Select # 1 is for flash */ |
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| 29 | li t2,PHYS_CS1_DEV_BASE | EBI_SIZE_16M |
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| 30 | sw t2,CS1BASE(t1) //# CS[1] Base |
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| 31 | #ifdef LITTLE_ENDIAN |
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| 32 | li t2,SEVENWT|EBI_WORD_WIDE|EBI_ENABLE|EBI_LITTLE_ENDIAN |
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| 33 | #else |
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| 34 | li t2,SEVENWT|EBI_WORD_WIDE|EBI_ENABLE |
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| 35 | #endif |
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| 36 | sw t2,CS1CNTL(t1) //# CS[1] Control |
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| 37 | |
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| 38 | InitEbi_exit: |
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| 39 | .set reorder |
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| 40 | |
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