diff options
Diffstat (limited to 'board/solidcard3/init.S')
| -rw-r--r-- | board/solidcard3/init.S | 55 |
1 files changed, 27 insertions, 28 deletions
diff --git a/board/solidcard3/init.S b/board/solidcard3/init.S index 36039e8..e7b3c83 100644 --- a/board/solidcard3/init.S +++ b/board/solidcard3/init.S @@ -1,26 +1,26 @@ /*------------------------------------------------------------------------------+ * - * This souce code has been made available to you by EuroDesign - * (www.eurodsn.de). It's based on the original IBM source code, so - * this follows: + * This souce code has been made available to you by EuroDesign + * (www.eurodsn.de). It's based on the original IBM source code, so + * this follows: * - * This source code has been made available to you by IBM on an AS-IS - * basis. Anyone receiving this source is licensed under IBM - * copyrights to use it in any way he or she deems fit, including - * copying it, modifying it, compiling it, and redistributing it either - * with or without modifications. No license under IBM patents or - * patent applications is to be implied by the copyright license. + * This source code has been made available to you by IBM on an AS-IS + * basis. Anyone receiving this source is licensed under IBM + * copyrights to use it in any way he or she deems fit, including + * copying it, modifying it, compiling it, and redistributing it either + * with or without modifications. No license under IBM patents or + * patent applications is to be implied by the copyright license. * - * Any user of this software should understand that IBM cannot provide - * technical support for this software and will not be responsible for - * any consequences resulting from the use of this software. + * Any user of this software should understand that IBM cannot provide + * technical support for this software and will not be responsible for + * any consequences resulting from the use of this software. * - * Any person who transfers this source code or any derivative work - * must include the IBM copyright notice, this paragraph, and the - * preceding two paragraphs in the transferred software. + * Any person who transfers this source code or any derivative work + * must include the IBM copyright notice, this paragraph, and the + * preceding two paragraphs in the transferred software. * - * COPYRIGHT I B M CORPORATION 1995 - * LICENSED MATERIAL - PROGRAM PROPERTY OF I B M + * COPYRIGHT I B M CORPORATION 1995 + * LICENSED MATERIAL - PROGRAM PROPERTY OF I B M *------------------------------------------------------------------------------- */ #include <config.h> @@ -56,12 +56,12 @@ ext_bus_cntlr_init: * timings into internal flash and external flash */ mfdcr r24,strap /* xxxx xxxx xxxx xxx? ?xxx xxxx xxxx xxxx - 0 0 -> 8 bit external ROM - 0 1 -> 16 bit internal ROM */ + 0 0 -> 8 bit external ROM + 0 1 -> 16 bit internal ROM */ addi r4,0,2 srw r24,r24,r4 /* shift right r24 two positions */ andi. r24,r24,0x06000 -/* +/* * All calculations are based on 33MHz EBC clock. * * First, create a "very slow" timing (~250ns) with burst mode enabled @@ -130,7 +130,7 @@ ext_bus_cntlr_init: mtdcr ebccfgd,r4 /*----------------------------------------------------------------------- - * Memory Bank 3 (Second-Flash) initialization + * Memory Bank 3 (Second-Flash) initialization * 0xF0000000...0xF01FFFFF -> 2MB *----------------------------------------------------------------------- */ @@ -149,7 +149,7 @@ ext_bus_cntlr_init: xori r24,r24,0x2000 /* invert current bus width */ or r4,r4,r24 mtdcr ebccfgd,r4 - + /*----------------------------------------------------------------------- * Memory Bank 1 (NAND-Flash) initialization * 0x77D00000...0x77DFFFFF -> 1MB @@ -186,7 +186,7 @@ ext_bus_cntlr_init: li r4,pb4ap /* PB4AP=Peripheral Bank 4 Access Parameters */ mtdcr ebccfga,r4 lis r4,0x0180 - ori r4,r4,0x5940 + ori r4,r4,0x5940 mtdcr ebccfgd,r4 #endif @@ -199,7 +199,7 @@ ext_bus_cntlr_init: A7 (ppc notation) or A24 (standard notation) decides about the type of access: A7/A24=0 -> memory cycle - A7//A24=1 -> I/O cycle + A7/ /A24=1 -> I/O cycle */ li r4,pb2ap /* PB2AP=Peripheral Bank 2 Access Parameters */ mtdcr ebccfga,r4 @@ -253,7 +253,7 @@ ext_bus_cntlr_init: li r25,pb6cr /* PB6CR=Peripheral Bank 6 Configuration Register */ mtdcr ebccfga,r25 lis r4,0x7401 - ori r4,r4,0xA000 + ori r4,r4,0xA000 mtdcr ebccfgd,r4 li r25,pb7cr /* PB7CR=Peripheral Bank 7 Configuration Register */ @@ -295,8 +295,8 @@ ext_bus_cntlr_init: * * Note: All calculations are based on 33MHz EBC clock. One '#' or '_' is 30ns * - * |- 300ns --| - * |---- 420ns ---|---- 420ns ---| cycle + * |- 300ns --| + * |---- 420ns ---|---- 420ns ---| cycle * CS ############:###____#######:###____####### * OE ############:####___#######:####___####### * WE ############:####__########:####__######## @@ -380,4 +380,3 @@ ext_bus_cntlr_init: stb r3,0(r4) /* 01 -> external bus controller is initialized */ nop /* pass2 DCR errata #8 */ blr - |