diff options
Diffstat (limited to 'board/eltec/bab7xx/asm_init.S')
| -rw-r--r-- | board/eltec/bab7xx/asm_init.S | 62 |
1 files changed, 25 insertions, 37 deletions
diff --git a/board/eltec/bab7xx/asm_init.S b/board/eltec/bab7xx/asm_init.S index 934fabe..3f88bc2 100644 --- a/board/eltec/bab7xx/asm_init.S +++ b/board/eltec/bab7xx/asm_init.S @@ -204,7 +204,7 @@ configSDRAM: beq SD16MB2B li r3, 0x0011 /* get number of internal banks */ - /* from spd for bank0/1 */ + /* from spd for bank0/1 */ bl spdRead cmpli 0, 0, r3, 0x02 @@ -244,7 +244,7 @@ SDRow2nd: * set the Memory Configuration Reg. 2 */ li r3, 0x0111 /* get number of internal banks */ - /* from spd for bank2/3 */ + /* from spd for bank2/3 */ bl spdRead cmpli 0, 0, r3, 0x02 @@ -269,13 +269,13 @@ S2D16MB2B: */ S2D64MB4B: lis r21, 0x8630 /* BSTOPRE = 0x80, REFREC = 6, */ - /* RDLAT = 3 */ + /* RDLAT = 3 */ /* * set the Memory Configuration Reg. 4 */ lis r22, 0x2430 /* PRETOACT = 2, ACTOPRE = 4, */ - /* WCBUF = 1, RCBUF = 1 */ + /* WCBUF = 1, RCBUF = 1 */ ori r22, r22, 0x2220 /* SDMODE = 0x022, ACTORW = 2 */ /* @@ -285,10 +285,10 @@ S2D64MB4B: bl spdRead rlwinm r16, r3, 2, 24, 29 /* calculate size in MByte */ - /* (128 MB max.) */ + /* (128 MB max.) */ li r3, 0x0005 /* get number of banks from spd */ - /* for bank0/1 */ + /* for bank0/1 */ bl spdRead cmpi 0, 0, r3, 2 /* 2 banks ? */ @@ -336,10 +336,10 @@ configSDRAM23: bl spdRead rlwinm r18, r3, 2, 24, 29 /* calculate size in MByte */ - /* (128 MB max.) */ + /* (128 MB max.) */ li r3, 0x0105 /* get number of banks from */ - /* spd bank0/1 */ + /* spd bank0/1 */ bl spdRead cmpi 0, 0, r3, 2 /* 2 banks ? */ @@ -365,7 +365,7 @@ configEDO0: getSpdRowBank01: li r3, 0x0003 /* get number of row bits from */ - /* spd from bank0/1 */ + /* spd from bank0/1 */ bl spdRead ori r20, r20, (MCCR1_BK0_9BITS | MCCR1_BK1_9BITS) cmpli 0, 0, r3, 0x0009 /* bank0 - 9 row bits */ @@ -392,7 +392,7 @@ getSpdRowBank01: getSpdRowBank23: li r3, 0x0103 /* get number of row bits from */ - /* spd for bank2/3 */ + /* spd for bank2/3 */ bl spdRead ori r20, r20, (MCCR1_BK2_9BITS | MCCR1_BK3_9BITS) @@ -415,13 +415,13 @@ getSpdRowBank23: writeRowBits: lis r21, 0x000a /* CPX = 1, RAS6P = 4 */ ori r21, r21, 0x2293 /* CAS5 = 2, CP4 = 1, */ - /* CAS3 = 2, RCD2 = 2, RP = 3 */ + /* CAS3 = 2, RCD2 = 2, RP = 3 */ /* * set the Memory Configuration Reg. 4 */ lis r22, 0x0010 /* all SDRAM parameter 0, */ - /* WCBUF flow through, */ - /* RCBUF registered */ + /* WCBUF flow through, */ + /* RCBUF registered */ /* * get the size of bank 0-3 */ @@ -429,7 +429,7 @@ writeRowBits: bl spdRead li r16, 0 /* bank size is: */ - /* (8*2^row*2^column)/0x100000 MB */ + /* (8*2^row*2^column)/0x100000 MB */ ori r16, r16, 0x8000 rlwnm r16, r16, r3, 0, 31 @@ -439,7 +439,7 @@ writeRowBits: rlwnm r16, r16, r3, 0, 31 li r3, 0x0005 /* get number of banks from */ - /* spd for bank0/1 */ + /* spd for bank0/1 */ bl spdRead cmpi 0, 0, r3, 2 /* 2 banks ? */ @@ -487,7 +487,7 @@ EDObank2: bl spdRead li r18, 0 /* bank size is: */ - /* (8*2^row*2^column)/0x100000 MB */ + /* (8*2^row*2^column)/0x100000 MB */ ori r18, r18, 0x8000 rlwnm r18, r18, r3, 0, 31 @@ -497,7 +497,7 @@ EDObank2: rlwnm r18, r18, r3, 0, 31 li r3, 0x0105 /* get number of banks from */ - /* spd for bank2/3 */ + /* spd for bank2/3 */ bl spdRead cmpi 0, 0, r3, 2 /* 2 banks ? */ @@ -701,28 +701,28 @@ common2: common3: li r4, 0x1010 /* refesh cycle 1028 clocks */ - /* left shifted 2 */ + /* left shifted 2 */ cmpli 0, 0, r3, 0x0000 /* 15.6 us ? */ beq writeRefresh li r4, 0x0808 /* refesh cycle 514 clocks */ - /* left shifted 2 */ + /* left shifted 2 */ cmpli 0, 0, r3, 0x0002 /* 7.8 us ? */ beq writeRefresh li r4, 0x2020 /* refesh cycle 2056 clocks */ - /* left shifted 2 */ + /* left shifted 2 */ cmpli 0, 0, r3, 0x0003 /* 31.3 us ? */ beq writeRefresh li r4, 0x4040 /* refesh cycle 4112 clocks */ - /* left shifted 2 */ + /* left shifted 2 */ cmpli 0, 0, r3, 0x0004 /* 62.5 us ? */ beq writeRefresh li r4, 0 ori r4, r4, 0x8080 /* refesh cycle 8224 clocks */ - /* left shifted 2 */ + /* left shifted 2 */ cmpli 0, 0, r3, 0x0005 /* 125 us ? */ beq writeRefresh @@ -916,7 +916,7 @@ toggleError2: eieio li r9, 0x03 stb r9, 3(r8) /* 8 data bits, 1 stop bit, */ - /* no parity */ + /* no parity */ eieio li r9, 0x0b stb r9, 4(r8) /* enable the receiver and transmitter */ @@ -928,7 +928,7 @@ waitEmpty: beq waitEmpty li r9, 0x47 stb r9, 3(r8) /* send break, 8 data bits, */ - /* 2 stop bits, no parity */ + /* 2 stop bits, no parity */ eieio lis r0, 0x0001 @@ -944,7 +944,7 @@ waitEmpty1: beq waitEmpty1 li r9, 0x07 stb r9, 3(r8) /* 8 data bits, 2 stop bits, */ - /* no parity */ + /* no parity */ eieio /* @@ -1473,15 +1473,3 @@ Mactivate: Mmbyte: .ascii " MB .......... \000" .align 4 - - - - - - - - - - - - |