MachZ Phoenix BIOS User`s Manual Supplement - Tri
Contents
1. POWER LED RESET POSTCODE D 83 POSTCODE Figure 1 Lower Corner of IDS Evaluation Board Jumper JP7 Since the AMDFLASH utility runs from a DOS prompt make sure you are able to boot using any working BIOS or the GS from the ATMEL CHIP if present or a previous version of PhoenixBIOS from the AMD Flash Note that if you boot DOS from the GS ATMEL you need to change the FLASH CS CONF jumper JP7 from pins 3 and 5 to pins 4 and 6 see Figure 1 and place S3 switch 12 to the right before executing the AMDFLASH utility Boot DOS You may boot DOS from the floppy disk or the hard disk Copy the amdflash exe program contained in the ZIP file to the DOS disk For example type C AMDFLASH gt COPY B A amdflash exe Copy the BIN files into the same directory For example type C AMDFLASH gt COPY B A zfx10400rom bin Run AMDFLASH 0 Status messages display as the system boots Do not change any jumpers unless you boot from the ATMEL Flash see step 2 above This version of the program places a copy of the BIOS ROM in the IDS AMD flash 2 Ifyou have trouble running AMDFLASH 0 program we recommend removing any ISA slot boards except video Currently AMDFLASH is hardwired for a 2 MB Flash Chip 2001 ZF Micro Devices Incorporated 3 P N 9100 0066 01 Rev B MachZ BIOS User s Manual Supplement 3 2 Installation Using the Dongle Use the Z tag Manager software applica2. A 16 6 Using the F Edit BIOS ZEB DEBE nisi blsan ka Fla sk vA banh kd udin ds 16 6 1 Using the ZEB Editor with ihe IDS E 17 Zs Technical TIPS ii 20 1 Understanding Memory PINS missions 20 Late Memnon IA go lo ever 20 7 1 2 Using the BIOS to Set Initial Memory Window Positions 22 Ta USO ME lc eios TE TE o A A 24 2001 ZF Micro Devices Incorporated iii P N 9100 0066 01 ZFx86 BIOS ZFx86 BIOS Ca MICRO User s Manual DEVICE Version 1 04 Supplement ZF Micro Devices 1052 Elwell Court Palo Alto CA 94303 Tel 650 965 3800 Fax 650 965 4050 1 Introduction to the ZFx86 BIOS The ZFx86 BIOS is the Phoenix 4 0 Revision 6 BIOS customized for the ZFx86 and is licensed for use with the ZF Micro Devices Inc ZFx86 System On a Chip This manual is a supplement to the PhoenixBIOS 4 0 Revision 6 User s Manual dated June 22 2000 and is included with the ZFx86 BIOS Release Set version 1 04 It covers ZFx86 specific configuration settings and utilities used to manage the ZFx86 BIOS Certain Hypertext Links in this document take you either to the web or to other ZF Micro Devices documents For the document links to work the PDF version of this document should be in the same directory as all the other pdf files On the ZFx86 Integrated Development System CD all the PDF documents are in the subdirecto
3. Figure 4 Memory Chip Select Setup Table 3 ISA Memory Chip Select Setup Feature Options Description Window SIZE Enter the value for the memory window size register Acceptable range is from 000000H to FFFOOOH Enter the hexadecimal value of the most significant 3 HEX digits of this number See the ZFx86 documentation for additional information Example 0000H window disabled 1000H 8K 2000 12K and so on Window BASE Enter the value for the memory window base register Acceptable range is from 000000H to FFFOOOH Enter the hexadecimal value of the most significant 3 HEX digits of this number See the ZFx86 documentation for additional information Example 0C0000 base address is 000C0000 or C000 0 Window PAGE PAGE 1000000 BASE FLASHA If Base 0D0000 then set PAGE to F30000 so that D000 0 goes to address 0 in the flash That is 1000000 D0000 0 For D0000 to go to D0000 in the flash set PAGE to 0 that is 1000000 D0000 D0000 you only specify 4 digits Read Write Control Read Write Select the behavior of the memory range between read write or read Read Only only access type Default setting is Read Write Window data width 16 bits Select the window datapath width Default setting is 8 bits 8 bits 2001 ZF Micro Devices Incorporated 7 P N 9100 0066 01 Rev B MachZ BIOS User s Manual Supplement 4 3 2 ISA I O Chip Select Setup Figure 5 show
4. b Use the right and left arrow keys to toggle the Enabled or Disabled selection See Enabled Figure 15 Summary Screen Enable Setting c With Enabled selected press the Escape key to exit the Main menu P N 9100 0066 01 Rev B 18 2001 ZF Micro Devices Incorporated MachZ BIOS User s Manual Supplement 4 Press the Escape key again to exit the ZEB Main menu a Use the down arrow to select Save and Exit See Figure 16 Main Menu dit Defaults Load Original Values Save and Exit uit Without Saving Figure 16 ZEB Main Menu b Press Enter The Save amp Exit command prompt displays c Press the Enter key to save the changed BIOS file See Figure 17 Save and Exit Figure 17 Save and Exit Menu d Type anew file name or type the original file name in the Output Filename prompt as desired Remember file names may not exceed eight characters in length See Figure 18 EE Figure 18 Output Filename Menu e Press the Enter key The ZEB utility exits and returns you to the DOS prompt 2001 ZF Micro Devices Incorporated 19 P N 9100 0066 01 Rev B MachZ BIOS User s Manual Supplement Copy lt your_image rom gt to BIOS ROM file To verify that your BIOS changes are correct copy your edited BIOS image to the AMDFLASH directory using the b binary switch Remember to rename your edited image to BIOS ROM using the following copy command for example C AMDFLASH gt COPY
5. devices CFFF D3FF D EF DBFF DFFF Figure 8 PCI PNP ISA UMB Region Exclusion Table 7 PCI PNP ISA UMB Region Exclusion Feature Options Description C800 CBFF Available Reserves the specified block of upper memory for use by CCOO CFFF Reserved legacy ISA devices Default setting is Available D000 D3FF D400 D7FF D800 DBFF DCO00 DFFF P N 9100 0066 01 Rev B 12 2001 ZF Micro Devices Incorporated MachZ BIOS User s Manual Supplement 4 3 6 PCI PNP ISA IRQ Resource Exclusion Figure 9 shows the PCI PNP ISA IRQ Resource Exclusion submenu selections This menu may display with different values depending on your configuration Reserves the specified IRG for use by legacy ISA devices 22707017 000000 mr ONT yee ss I I I I I I Figure 9 PCI PNP ISA IRQ Resource Exclusion Table 8 PCI PNP ISA IRQ Resource Exclusion Feature Options Description IRQ 3 Available Reserves the specified IRQ for use by legacy ISA devices Default IRQ 4 Reserved setting is Available IRQ 5 IRQ 7 IRQ 9 IRQ 10 IRQ 11 2001 ZF Micro Devices Incorporated 13 P N 9100 0066 01 Rev B MachZ BIOS User s Manual Supplement 4 3 7 PCI PNP ISA DMA Resource Exclusion Figure 10 shows the PCI PNP ISA DMA Resource Exclusion submenu selections D D D D D D abb DDDDDD ADN ee ee ee ee LE Reserves the specified DMA ch
6. 64 int86 0x15 amp inregs amp outregs 65 printf nINT 15 function C3 01 failed CF d n outregs x cflag 66 P N 9100 0066 01 Rev B 26 2001 ZF Micro Devices Incorporated MachZ BIOS User s Manual Supplement ZF Micro Devices Inc 1052 Elwell Court Palo Alto California 94303 650 965 3800 Fax 965 4050 www zfmicro com 2001 ZF Micro Devices Incorporated 27 P N 9100 0066 01 Rev B
7. Auto BIOS or OS selects the configuration OS Controlled Displayed when controlled by OS Default setting Mode Output only Set the mode for the parallel port using the following options Bi directional Output only Bi directional EPP and ECP Default setting is ECP EPP ECP Base l O address 378 Set the base I O address for the parallel port Default setting is 387 278 3BC Interrupt IRQ 5 Set the interrupt for the parallel port Default setting is IRQ 7 IRQ 7 DMA channel DMA 1 Set the DMA channel for the parallel port Default setting is DMA 1 DMA 3 Floppy disk Disabled Configure using the following options controller Enabled Disabled No configuration Auto Enabled User Configuration Default setting Auto BIOS or OS chooses configuration OS Controlled Displayed when controlled by OS Base 1 0 address Primary Set the base I O address for the floppy disk controller using options Secondary Default setting is Primary Local Bus IDE Disabled Enable the integrated local bus IDE adapter Default setting is Both adapter Primary Secondary Both P N 9100 0066 01 Rev B 10 2001 ZF Micro Devices Incorporated MachZ BIOS User s Manual Supplement 4 3 4 PCI Configuration Figure 7 shows the PCI Configuration submenu settings PCI Configuration Item Specific Help Reserve specific PCI PNP ISA IRQ Resource Exclusion upper monory blocks egacy ISA PCI PNP ISA DMA Resource Exclusion for use b
8. at D4000 D7FFFH Window OK at D8000 DBFFFH Window OK at DC000 DFFFFH P N 9100 0066 01 Rev B 20 2001 ZF Micro Devices Incorporated MachZ BIOS User s Manual Supplement These numbers specify where to place the windows apertures in the memory space below 1 MB Actually it specifies memory in the range of C0000 through FFFFF which is not shadowed The ZFx86 BIOS lives in the upper 128K of the first megabyte that is addresses E0000 through F0000 However to allow the BIOS to run faster rather than read it from 8 bit wide flash the BIOS is copied into the typical 32 bit wide SDRAM Then the SHADRC and SHADWC registers in the ZFx86 North Bridge hardware are set to enable read from the SDRAM and not to enable Write to the SDRAM This results in memory reads directed to this address space that are also directed to the North Bridge SDRAM controller which in turn is generally connected to high performance 32 bit wide SDRAM Addresses not shadowed which are in the range C0000 to FFFFF are directed to the ISA bus Any addresses on the ISA bus which are below E0000 may be used as memory windows Window PAGE BASE BASE Address 0 External Address Space Flash etc ISA Address Space Figure 19 Memory Window Mapping To use these memory windows to access external SRAM or FLASH chips the ZFx86 allows you to activate one of four mem_csn pins where n 0 1 2 or 3 when addresses between BASE and
9. has a 2 MB AMDFLASH chip installed AMDFLASH supports only AMD flash chips and requires that you have a working BIOS already installed and thus can boot DOS Amdflash exe always loads the BIOS image from a file called BIOS ROM residing on a floppy or a hard disk In the installation example below we copy the BIOS files into a directory located on the C Drive named AMDFLASH and the files are being loaded from an A floppy drive To load the ZFx86 BIOS follow this procedure 1 Start up screen containing the ZF Micro Inc icon P N 9100 0066 01 Rev B 2 2001 ZF Micro Devices Incorporated MachZ BIOS User s Manual Supplement 1 Use the COPY B command to transfer the desired BIOS image to the BIOS ROM file This file must be in the same directory as amdflash exe For example type C AMDFLASH gt COPY B A zfx10400 rom BIOS ROM Always use the B binary argument when you COPY from a DOS prompt Set the jumpers so that the ZFx86 boots from the AMDFLASH the board may be set already newer systems arrive as such Jumper pins 4 and 6 of the FLASH CS CONF jumper JP7 and set BOOTSTRAPS switch S3 12 to OFF See Figure 1 amp L m 5 n I O o Q o z n TANVd INO 1
10. of the life support device or system or to affect its safety or effectiveness c 2001 ZF Micro Devices Inc All rights reserved ZFx86 FailSafe FailSafe Boot ROM Z tag ZF Logic InternetSafe OEMmodule SCC ZF Sys temCard ZF FlashDisk SC netDisplay ZF 104Card ZF SlotCard and ZF Micro Devices logo are trademarks of ZF Micro Devices Inc Other brands and product names are trademarks of their respective owners P N 9100 0066 01 ii 2001 ZF Micro Devices Incorporated MachZ BIOS User s Manual Supplement 1 IntroducHon to the ZFXx88 BIOS cion ainia acia rias 1 AMI gn 1 zl PROS BIOS Ser ODDO ooo Iib UM 2 nn o PO SP NON POCO O E A E E E T 2 CMM nstalaton Using ui RAS rt iii RAS 2 3 2 Installation Using the Dongle Me TTE 4 de BIOS SU amp M Mill crap 4 De PAR A en ERO nene ein Epi EE Cera VEPHE HEEL ACUTE UE HE COT RERO 4 4 3 Advanced Chipset Control suisse ibas 6 4 3 1 ISA Memory Chip Select Setup nuria 7 4 3 2 ISA VO Chip Select Setup eee 8 43 KO ie Seco T po M 9 Ha irs e T 11 4 3 5 PCI PNP ISA UMB Region Exclusion rss diria 12 4 3 6 PCI PNP ISA IRQ Resource Exclusion sensacion rie 13 4 3 7 POVPNP ISA DMA Resource Exclusion sssisiosinnic sia ici 14 4205 Console RedirectiOm asian racial ER HA VrR AEEPERER TUE PEU YER DAY UEDA HER ER 15 4 4 Other Setup Screens Ra 16 Y LOS LOADER
11. the interrupt for serial port A Default setting is IRQ 4 IRQ 4 Serial Port B Disabled Configure serial port B using the following options Enabled Disabled No configuration Auto Enabled User Configuration Auto BIOS or OS chooses configuration OS Controlled Displayed when controlled by OS Default setting OS Controlled Base 1 0 address 3F8 Set the base I O address for Serial Port B Default setting is 2F8 2F8 3E8 2E8 Interrupt IRQ 3 Set the interrupt for Serial Port B Default setting is IRQ 3 IRQ 4 Infrared Port Disabled Configure Infrared port using the following options Enabled Disabled No configuration Auto Enabled User Configuration Auto BIOS or OS chooses configuration OS Controlled Displays when controlled by OS Default setting Mode IrDA FIR Set mode for Infrared port Default setting is IrDA 2001 ZF Micro Devices Incorporated 9 P N 9100 0066 01 Rev B MachZ BIOS User s Manual Supplement Table 5 I O Device Configuration Setup Continued Feature Options Description Base 1 0 address 3F8 Select the base 1 0 address for Infrared port Default setting is 3E8 3E8 Interrupt IRQ 3 Select the interrupt for the Infrared port Default setting is IRQ 5 IRQ5 Parallel port Disabled Configure parallel port using options Enabled Disabled No configuration Auto Enabled User Configuration OS Controlled
12. 0 in the flash set PAGE to 0 That is 1000000 D0000 D0000 only specify 6 digits 7 1 2 Using the BIOS to Set Initial Memory Window Positions AMDFLASH contains a calculator to make the initial setup of your windows easier Set the initial values of the BASE SIZE PAGE registers using exactly the same technique you use in your own software to reset or move these memory windows The operative part of the BASE SIZE PAGE registers is a 12 bit field 3 hex digits out of a 32 bit register The BASE SIZE PAGE registers are 32 bits wide but only bits 23 12 are used 12 bits or 3 hex digits The possible ranges of data written to these registers is thus 000000H FFFOOOH Bits 23 16 Bits 15 12 12 bits 12 bits 31 0 32 bits Figure 20 Fields in 32 bit memory settings register Since each field is 12 bits wide the actual data values are 000 to FFF hex in the 12 bit field If you want the window to start at DOOOO in the ZFx86 address space set the BASE to 0D0000 hex that is ODO in the 12 bit field and in the BIOS settings for the Memory Window BASE P N 9100 0066 01 Rev B 22 2001 ZF Micro Devices Incorporated MachZ BIOS User s Manual Supplement Table 12 shows the values used to setup a Memory Window Chip Select that enables blocks placed at flash address 0 to be mapped to ISA addresses shown in the first column Table 12 Sample Window Calculations ISA Window Base B
13. 23 E V IC E S ZFx 86 Phoenix BIOS User s Supplement Version 1 04ah Pre Release April 16 2001 2001 ZF Micro Devices Incorporated P N 9100 0066 01 MachZ BIOS User s Manual Supplement THIS DOCUMENT AND THE INFORMATION CONTAINED THEREIN IS PROVIDED AS IS AND WITHOUT A WARRANTY OF ANY KIND YOU THE USER ACCEPT FULL RESPONSI BILITY FOR PROPER USE OF THE MATERIAL ZF MICRO DEVICES INC MAKES NO REP RESENTATIONS OR WARRANTIES THAT THIS DATA BOOK OR THE INFORMATION CONTAINED THERE IN IS ERROR FREE OR THAT THE USE THEREOF WILL NOT INFRINGE ANY PATENTS COPYRIGHT OR TRADEMARKS OF THIRD PARTIES ZF MICRO DEVICES INC EXPLICITLY ASSUMES NO LIABILITY FOR ANY DAMAGES WHATSOEVER RELATING TO ITS USE LIFE SUPPORT POLICY ZF MICRO DEVICES PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPO NENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF ZF MICRO DEVICES INC As used herein 1 Life support devices or systems are devices or systems which a are intended for surgical implant into the body or b support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in a significant injury to the user 2 A critical component is any component of a life support device or system whose failure to per form can be reasonably expected to cause the failure
14. ASE hex PAGE hex C8000 C8 F38 CCO000 CC F34 D0000 DO F30 D4000 D4 F26 D8000 D8 F28 DCO000 DC F24 Calculate the window SIZE as BASE to BASE SIZE where it is assumed that the right most 12 bits are implicitly FFF Therefore a size of 001000 hex would be 1FFF thereby providing an 8K window Note that you might think that O would provide a 4K window however we decode 0 internally to disable the window Treat the PAGE field as a signed number if PAGE BASE then the target is the beginning of the flash but because all 32 bits are not available it becomes a bit tricky It is best to use the calculator built into AMDFLASH An example of the printout and a copy of the source code in C follows Sample Code for Initial Memory Window Positions Create a 32K window starting at D0000 in the ZFx86 address space The window initially points to an offset 2000H within the flash chip Example Set the Page register to OOF32000H or F32 in the ZFx86 Phoenix BIOS Memory Window Setup screen Phoenix ZFx86 BIOS Memory Window Setup Calculator Helper Enter Window Size between 8K and 16384K 32 Recommended Value for Size 00700 Enter Desired Window Base in Hex example DCO00 D0000 Enter Desired Window Size in Hex example 1000 8K FFF000 16 MB 7000 Enter Flash Target Address in Hex example 2000 8K 2000 NOTE In the following example the program creates a 32K window starting at DOOOOH which points initially to o
15. B your image name rom BIOS ROM Remove AC Power to the IDS The IDS non volatile RAM is battery backed and although you have disabled the battery by jumpering JP5 pins 2 and 3 see Figure 12 you must also re power the IDS board to erase the original data in the non volatile RAM 7 Technical Tips This section discusses items and techniques particular to the effective use of the ZFx86 BIOS 7 1 Understanding Memory Windows Memory windows are a feature of the ZF Logic Memory windows provide chip select and addressing for SRAM and Flash Chips external to the ZFx86 chip Memory windows benefit the user two ways e Allows interconnect to Flash and SRAM chips without extra glue logic e Allows addressing of up to 64 MB of external Flash SRAM 4 chip selects times 16 MB per chip select through an aperture in the ISA address space called a memory win dow 7 1 1 Memory Window Basics XT computers contained a paged memory scheme that allows the XT to access memory above 1 MB A small aperture window below 1 MB was used to address perhaps 1 to 8 MB of additional RAM through page switching The memory windows on the ZFx86 work in a similar manner From a DOS prompt run the program AMDFLASH on the ZFx86 and specify option P in the Main Menu screen You see a printout similar to the following Phoenix Mach Z BIOS Memory Window Setup Calculator Window OK at C8000 CBFFFH Window OK at CC000 CFFFFH Window OK at D0000 D3FFFH Window OK
16. BASE SIZE are encountered Table 11 Memory Mapper Pins ISA Memory Mapper Translated ISA B04 Mem_csO ZF Logic Memory Mapper CS 0 Pin Name Description Address D05 Address MUX Thus if you set base to DOOOO and size to 64K and those addresses were available whenever you execute a memory read or a memory write in the range of D0000 to DFFFF you also generate a memory chip select Which chip select would you get Well there are four register sets one for each of the four mem cs signals Mem cs1 ZF Logic Memory Mapper CS 1 A03 Mem cs2 ZF Logic Memory Mapper CS 2 ISA Address ISA Address ISA Address C04 Mem cs3 ZF Logic Memory Mapper CS 3 Figure 20 ISA Memory Map Pins 2001 ZF Micro Devices Incorporated 21 P N 9100 0066 01 Rev B MachZ BIOS User s Manual Supplement The address which comes out on the ISA bus is translated by the memory window hardware In general the question is this how do move the target window through my flash chip so that using the fixed window have set up in the ZFx86 address space can reference all of the data in the flash chip up to 16 MB This answer is embodied in a formula for setting the value of the PAGE register PAGE 1000000 BASE FLASHA If BASE 0D0000 then set PAGE to F30000 so that D000 0 goes to address 0 in the Flash That is 1000000 D0000 0 For D0000 to go to D000
17. Rate 300 Enables the specified baud rate Default setting is 19 2K Console 1200 redirection default is 19 2K 2400 9600 19 2K 38 4 K 57 6 K 115 2K Console Type PC ANSI Enables the specified console type Default setting is PC ANSI VT100 Flow Control None Enables Flow Control Default setting is CTS RTS XON XOFF CTS RTS Console connection Direct Indicates whether the console is connected directly to the system or a Via modem modem Default setting is Direct Continue C R after Off Enables Console Redirection after OS loads Default setting is Off POST On Console redirection default is On 2001 ZF Micro Devices Incorporated 15 P N 9100 0066 01 Rev B MachZ BIOS User s Manual Supplement 4 4 Other Setup Screens For information on the screens below refer to PhoenixBIOS 4 0 Rev6 User Manual PDF which is supplied on the ZF CD ROM e Security e Power e Boot e Exit e Help 5 ZFlash OS LOADER This feature allows Operating Systems such as Linux or VxWorks to load and boot from the same flash device that holds the BIOS Prior to a boot attempt of standard media devices the ZFx86 BIOS scans external Flash devices address blocks These blocks are defined by the user configurable Memory Window Chip Selects and contain a standard legacy ISA extension ROM header A checksum modulo 100h is performed and if successful the BIOS transfers the boot attempt to code beginning at byte 3 of the special head
18. XH or 9603IXH or 04ld decimal for Flash Offset 08IXH r n n 25 ulPage ulPage gt gt 12 ulPage gt gt 12 ulTarget 7 2 Using the Watchdog Timer The ZFx86 s Watch Dog Timer function is implemented using the following interface INT 15H System Services Interrupt Calling Parameters Register AH C3H Enable Disable Watchdog Timer Register AL 00 Disable Watchdog Timeout Register AL 01 Enable Watchdog Timeout Register BX 1 255 seconds Return Parameters Register Flag CF Carry Flag 0 Operation Complete Register Flag CF Carry Flag 1 Operation Failed WDTON EXE is a sample test program for WDT functions WDTON c is the source code written in MS C and may be used as a tutorial for developing user based WDT routines in Assembler or Other C language compilers P N 9100 0066 01 Rev B 24 2001 ZF Micro Devices Incorporated MachZ BIOS User s Manual Supplement As an example set the IDS board s watchdog Jumper J2 to short pin 2 to 3 WD OSC INT Then ata DOS prompt run WDTON 10 The WDTON utility displays the time continuously for 10 seconds The test keeps the ZFx86 s watchdog timer from firing until the ten second interval At that time the watchdog timer fires and the system resets WDTON C Sample Program 6 Tests WDT INT 15 Functions 7 8 include lt ctype h gt 9 include lt io h gt 10 include lt dos h gt 11 include lt stdlib h gt 12 include lt stdio h gt 13 inclu
19. ZF Micro Devices Inc splash screen e Z x10400 ron Binary image file with no splash screen e zfx10400 Inx Binary image file special case for some Linux systems See the readme file e z x10400rom bin Z tag Manager binary image file with splash screen amd29f0xx 8 BIT FLASH e amdflash exe utility e Zeb exe ZF Edit BIOS utility Installation The ZFx86 BIOS binary image files are 256 Kbytes in length Any of these files may be placed in an ROM EPROM or Flash Device that is chip selectable by the processor s reset vector OFFFFFFFOh and chip select 0 Although the image is 256 Kbytes in this space during initialization certain blocks are decompressed and or discarded The result is that a 128 Kbyte image loads into the shadow area of system memory at 0E0000h to OFFFFFh The BIOS image may be loaded into the Integrated Development System IDS AMD Flash using either the Z tag Dongle or from a DOS prompt using the amdflash exe Utility Optionally external Programmers may be used to transfer the BIOS image into EPROM or Flash devices Find detailed instructions for installing user software in flash devices in Booting User Software From Flash Chips Software Note Part 9100 0067 00 Download this document from the ZF Micro Devices website htto www zfmicro com Installation Using amdflash exe AMDFLASH is a convenient way to update the BIOS in the Integrated Development System or another Target Board which
20. annel for use by non Plua and Play ISA devices Figure 10 PCI PNP ISA DMA Resource Table 9 PCI PNP ISA DMA Resources Exclusion Feature Options Description DMA 0 DMA 1 DMA 2 DMA 3 DMA 4 DMA 5 DMA 6 DMA 7 Available Reserved Reserves the specified DMA channel for use by non Plug and Play ISA devices Default setting is Available P N 9100 0066 01 Rev B 14 2001 ZF Micro Devices Incorporated 4 3 8 Console Redirection UCR Universal Console Redirect feature supports those embedded systems which do not use a keyboard or monitor The BIOS Binary Image file may be configured for this feature using the ZEB utility See Using the ZEB Editor with the IDS on page 17 A null modem cable connection is required between the ZFx86 COM A COM1 and a PC ANSI terminal or terminal emulator such as Procomm or Hyperterminal Text mode video operations are only supported during console redirect Baud Rate Console ro Console connection Continue C R after MachZ BIOS User s Manual Supplement If enabled it will use a rt on the motherboard Figure 11 Console Redirection Table 10 Console Redirection Feature Options Description Com Port Address Disabled On board COM A On board COM B If enabled ZFx86 uses a port on the motherboard Default setting is Disabled Console redirection default is COM A Baud
21. de lt string h gt 14 include lt time h gt 16 void main argc argv 17 intargc 18 char argv 20 char tbuffer 9 21 union REGS inregs outregs 22 int delay value 0 23 int wait value 0 24 intstart secs 0 25 intstop secs 0 26 time tt1 t2 28 setbuf stdout NULL 30 if argc 2 only two args allowed 31 printf nError n 32 printf Format WDTON secs i e WDTON 10 exit EXIT FAILURE 34 delay value abs atoi argv 1 35 wait value delay value 2 36 system cls 37 l strtime tbuffer 38 printf nWatch Dog Timer Tickle Test n 39 printf nSystem will REBOOT in 2 2d seconds delay_value 40 printf nStart Time s n strtime tbuffer 42 start_secs atoi amp tbuffer 6 43 start secs time amp t1 44 printf Startsecs d n start secs 45 stop_secs atoi amp tbuffer 6 46 printf Start Secs d n start secs 48 time amp t1 50 while difftime t2 t1 delay value 1 2001 ZF Micro Devices Incorporated 25 P N 9100 0066 01 Rev B MachZ BIOS User s Manual Supplement 52 printf Tickling WDT s r strtime tbuffer 53 time amp t2 55 printf WDT FAILED s n _strtime tbuffer 56 printf n 57 while difftime t2 t1 lt delay_value 7 59 printf Waiting 5 more seconds s r strtime tbuffer 60 time amp t2 61 62 outregs x ax 0xc301 63 outregs x bx delay value
22. er When the transfer is executed a signature parameter value of MORX is passed in register EDX allowing the user to authenticate the call Thus user supplied external code may be installed in flash and can continue the boot function using its own algorithms Details are available from ZF Micro Devices Ask support for the Booting User Software From Flash Chips Software Note Part 9100 0067 00 or download this document from the ZF Micro Devices website http www zfmicro com 6 Using the ZF Edit BIOS ZEB Utility The ZF Edit BIOS utility ZEB EXE allows you to establish custom default BIOS settings The editor is ideal for those ZFx86 embedded systems with no battery backed CMOS storage and allows additional debug flexibility when you bring up new designs ZEB runs in either DOS or Windows Remember to disable your CMOS battery if your system contains one and to completely re power the system each time you experiment with BIOS changes The power reset guarantees that the BIOS reboot launches with the new defaults you selected This utility supports creating a debug version of the BIOS that outputs POST Codes on the serial port See the ZEB Debug menu item P N 9100 0066 01 Rev B 16 2001 ZF Micro Devices Incorporated MachZ BIOS User s Manual Supplement 6 1 Using the ZEB Editor with the IDS Use ZEB to change the default CMOS BIOS settings Remember to disable the CMOS battery by setting pins 2 and 3 to Clear Ref
23. er to Figure 12 for the JP5 jumper location PC SPEAKER Battery PARALLEL PORT COM1 JP5 CMOS BATTERY Parallel Port ofa ml 1 2 NORM Connector 2 3 CLR CMOS Figure 12 CMOS Battery Jumper JP5 Part of the IDS Evaluation Board The ZEB menus contain information on how to change BIOS settings The following procedure illustrates how to change the default Summary Window setting 1 Start ZEB at a DOS prompt by typing the following ZEB lt your_image_name rom gt If you do not enter a BIOS Image name lt your_image_name rom gt a listing of directories and files found in the launch directory displays Use the arrow keys to select the BIOS Image you want to edit and press Enter Use the up and down arrow keys to select an item on the start up menu 2 Select the Edit Defaults menu item and press the Enter key See Figure 13 Main Menu Edit Defaults Load Original Values Save and Exit 3uit Without Saving Figure 13 ZEB Main Menu The ZEB utility displays seven top level menu selections Using the right and left arrow keys select the Main menu item See Figure 14 2001 ZF Micro Devices Incorporated 17 P N 9100 0066 01 Rev B MachZ BIOS User s Manual Supplement Figure 14 ZEB Main Menu Selections 3 Press Enter to access the Main menu a Use the down arrow to move down the menu selections until the Summary Screen item is selected
24. fault setting is Active Low Window Size 01 16 Select the number of consecutive I O address to decode starting from the I O window base Example a value of 4 decodes 4 consecutive 8 bit I O addresses or 2 consecutive 16 bit addresses Decode occurs on I O read and may occur on I O write Default setting is 01 P N 9100 0066 01 Rev B 8 2001 ZF Micro Devices Incorporated 4 3 3 V O Device Configuration MachZ BIOS User s Manual Supplement Figure 6 shows the I O Device Configuration menu selections Serial port B Infrared Port Mode Parallel port ode Floppy disk controller 1 0 address Local Bus IDE adapter Base Figure 6 I O Device Configuration Setup Item Specific Help Configure serial pox usina options COisabled Ho conf igurat ion CEnabled User conf igurat ior LHutol BIOS or 0S chooses conf igurat ion LOS Control led eet He when controlled by OS Table 5 I O Device Configuration Setup OS Controlled Feature Options Description Serial Port A Disabled Configure Serial Port A using the following options Enabled Disabled No configuration Auto Enabled User Configuration Auto BIOS or OS chooses configuration OS Controlled Displays when port controlled by OS Default setting OS Controlled Base 1 0 address 3F8 Set the base I O address for Serial Port A Default setting is 3F8 2F8 3E8 2E8 Interrupt IRQ 3 Set
25. ffset 2000H in the flash using BASE ODOH SIZE 007H and PAGE F32H 2001 ZF Micro Devices Incorporated 23 P N 9100 0066 01 Rev B MachZ BIOS User s Manual Supplement 1 unsigned long ulBase ulSize ulTarget ulPage ulDesiredK 2 printf r n n nPhoenix ZFx86 BIOS Memory Window Setup Calculator r n uiWorkingCS 3 4 printf r nHelper Enter Window Size between 8 and 16384K 5 ulDesiredK uiScanInDecimal 0 6 7 if ulDesiredK gt 8 amp amp ulDesiredK lt 16384 8 printf rin Recommended Value for Size 9606IXHWW ulDesiredK 4 1024 9 10 printf r nEnter Desired Window Base in Hex example DC000 11 ulBase ulScaninHex 12 printf r nEnter Desired Window Size in Hex example 1000 8K FFF000 16 MB 13 ulSize ulScanInHex 14 printf r nEnter Flash Target Address in Hex example 2000 8k 15 ulTarget ulScanInHex 16 ulBase ulBase amp OxFFFOOO 17 ulSize ulSize amp OxFFFOOO 18 ulTarget ulTarget amp OxFFFOOO 19 printf r nBase 08IXH or 9603lXH or 04ld decimal ulBase ulBase gt gt 12 ulBase gt gt 12 20 if ulSize 0 printf r nWindow Disabled Size 0 21 else 22 printf r nSize 9608IXH or 9603lXH or 04ld decimal for Size dK ulSize ulSize gt gt 12 ulSize gt gt 12 ulSize gt gt 12 1 4 23 ulPage 0x1000000 ulBase ulTarget amp OxFFF000 24 printf r nPage 08I
26. nstalled PS 2 mouse from functioning but Enabled frees up IRQ12 Auto Detect Enabled Forces the PS 2 mouse port to be enabled regardless if a mouse is present Auto Detect Only enables the PS 2 mouse if present Default setting is Auto Detect OS Controlled Option displays only if the OS controls the mouse ISA Memory Chip See ISA Memory Chip Select Setup on page 7 Select Setup ISA I O Chip Select Setup See ISA I O Chip Select Setup on page 8 Onboard RFD Disabled Selects whether the onboard flash disk is enabled Default setting is To mem cs1 To mem cs3 To mem cs2 To mem cs3 Boot Through RFD No Select Yes to boot from the RFD as floppy A Default setting is No Yes P N 9100 0066 01 Rev B 6 2001 ZF Micro Devices Incorporated MachZ BIOS User s Manual Supplement 4 3 1 ISA Memory Chip Select Setup The Memory Chip Selects provide initial values for the four memory windows which may be created using the ZF logic built in the ZFx86 chip For more information see Understanding Memory Windows on page 20 Memory Window mem _csg Enter the value on the nr 1 memory window s Window Base Ent er the Rost significant 3 HEX Memory Window mem cs digits of nis number Window Size See the dindow pu pene Documentation indow Window data width i Example Memory Window mem cs aaaa8H window disabled Window Size 1000H Window Base A 12K etc
27. p Screen 3 TheDongle s flash programmer allows you to specify where in the flash to place the BIOS Place the BIOS in the high addresses of the flash Since the ZFx86 Phoenix BIOS is a 256K image use starting address 1C0000 if you have a 2MB Flash and C0000 if you have a 1 MB flash and so on P N 9100 0066 01 Rev B 4 2001 ZF Micro Devices Incorporated MachZ BIOS User s Manual Supplement Table 1 Advanced Setup Screen Feature Options Description USB Host Disabled Enables or Disables the USB hardware Disabled resources are available controller Enabled for other uses Default setting is Enabled USB BIOS Disabled Enables or Disables support for USB Keyboard and Mouse Enable for Legacy Enabled use with a non USB aware Operating System such as DOS or UNIX Support Default setting is Disabled Advanced See Advanced Chipset Control on page 6 Chipset Control I O Device See 1 0 Device Configuration on page 9 Configuration PCI See PCI Configuration on page 11 Configuration Reset No Select Yes if you want to clear the Extended System Configuration Data Configuration Yes ECSD area Default setting is No Data Secured Setup No Yes Prevents a Plug and Play Operating System from changing system Configurations Yes settings Default setting is No Installed O S Other Select the operating system installed on your system that you will use Win95 most commonly Default se
28. ry named documents See the PhoenixBIOS 4 0 Rev6 User Manual PDF 2 Features In addition to the standard features documented in the PhoenixBIOS User s Manual the ZFx86 BIOS includes these extended features important for embedded applications e ZFlash OS Loader Hook enables operating systems such as Linux and VxWorks to boot from the same flash chip that contains the BIOS e ZFlash legacy ISA extension processor allows user extension ROMs to be placed in the same flash device as BIOS e Configuration settings that manage ZFx86 ZF Logic Memory and I O Chip Selects for Disk On Chip flash based extensions and custom I O hardware e Advanced Power Management 1 2 Functions e Universal Serial BUS Host Controller and Legacy Configuration Settings e Infrared support e Watchdog Timer Function e Remote Management from PC Host e Resident Flash Disk Function P N 9100 0066 01 4 9 01 Rev B 1 2001 ZF Micro Devices Incorporated MachZ BIOS User s Manual Supplement 2 1 3 3 1 ZFx86 BIOS Set Contents The zfx10300 ZIP zipped file contains the components of the ZFx86 BIOS Set software release version 1 04 part number 9270 0012 01040 The ZFx86 BIOS Set contains the items in the following list e PhoenixBlOS 4 0 revision 6 User s Manual e ZFx86 BIOS User s Manual Supplement e readme txt release notes text file e readme pdf release notes in PDF format e zfx10400 rom Binary image file with
29. s the ISA I O Chip Select Setup menu selections HodWaniced ISA 1 0 Chip Select Setup Item Specific Help 1 0 Window io cs If the window iz L 1 enabled then 1 0 reads Base Address L fand 1 0 writes if Read llrite Control LRead lritel enabled in the addrse Window Size 811 the window s io cs signal to be asserted 1 0 Window io csl Window state Disabled 1 0 Window io csz Window state Disabled 1 0 Window io cs3 Figure 5 ISA I O Chip Select Setup Table 4 ISA I O Chip Select Setup Feature Options Description Window state Enabled If the window is enabled then I O reads and I O writes if enabled in the Disabled address range of Base to Base Size 1 causes the window s io cs signal to be asserted Default setting is Disabled Base address 0 FFFF Enter the base address for the I O window Default setting is 0 Read Write Read Write Select the behavior of the I O range between read write or read only Control Read Only access type ports Setting window to read only mode disables the IOW N signal on ISA bus for I O window address range Default setting is Read Write Window data width 8 bits Select the window datapath width Default setting is 8 bits 16 bits Active level Active Low Select the level to assert on the io_cs pin The ZFx86 asserts the selected Active High level on the window s io_cs pin when the program accesses O in the window range of Base to Base Size 1 De
30. tion to load the BIOS image into the Z tag Dongle Then use the Dongle to load the BIOS on systems that support the Z tag interface such as the IDS See the examples in Chapter 4 of the ZFx86 Integrated Development System Quick Start Guide The Dongle must be loaded with a second SEEPROM To obtain this part contact ZF support and ask for Part Number 3100 0165 00 Dongles manufactured after January 2001 contain this update The Z tag Manager provides an error message if the Dongle does not contain enough SEEPROM 4 BIOS Setup To start the BIOS Setup utility press the F2 function key during the boot up process The PhoenixBIOS Setup Utility screen displays with the following selections across the top e Main e Advanced e Security e Power e Boot e Exit 4 1 Main The Main menu selections contain no changes with this release therefore that information is not duplicated in this supplement For information specific to the Main menu see the PhoenixBIOS 4 0 Rev6 User Manual PDF 4 2 Advanced Figure 2 shows the Advanced menu selections Main Item Specific Help Setting items on this menu to incorrect values may cause your system to malfunction Enables or Disables the USB hardware Disabled Hear resources will be freed USB BIOS Legacy Support Disabled up for other uses advanced Chipset Control 0 Device PEN ae EUN PCI Configurati i urat Lon Data No da DOS 115 2K Figure 2 Advanced Setu
31. tting is Other Note An incorrect setting causes some operating systems to display unexpected behavior Large Disk Other For UNIX Novel NetWare or other operating systems select Other Access DOS If you are installing new software and the drive fails change this selection Mode and try again Different operating systems require different representations of drive geometries Default setting is DOS Console See Console Redirection on page 15 Redirection Remote 115 2K Selects the baud rate used for serial remote configuration mode Default Management 57 6K setting is 115 2K Baud Rate 38 4K 28 8K 19 2K 14 4K 9600 2400 2001 ZF Micro Devices Incorporated 5 P N 9100 0066 01 Rev B MachZ BIOS User s Manual Supplement 4 3 Advanced Chipset Control Figure 3 shows the Advanced Chipset Control submenu selections Advanced Chipset Control Item Specific Help CEE CAuto Detect Skip the memory test to get a faster POST Enable the test to get a safer system PS 2 Mouse gt ISA tenor tu ip Select Setup gt ISA I70 Cl Onboard RFD Boot through RFD Initialize RFD p Select Setup LE mean Enter Figure 3 Advanced Chipset Control Table 2 Advanced Chipset Control Feature Options Description Skip memory test No Skip the memory test to get a faster POST Enable the test to create a Yes more stable system PS 2 Mouse Disabled Disabled Prevents any i
32. y ISA graphics device installed No 1 devices PCI IRQ line 1 Auto PCI IRQ line 2 Auto PCI IRQ line 3 Auto PCI IRQ line 4 Auto Enter Figure 7 PCI Configuration Table 6 PCI Configuration Feature Options Description PCI PNP ISA UMB Reserve specific upper memory blocks for use by legacy ISA Region Exclusion devices See PCI PNP ISA UMB Region Exclusion on page 12 PCI PNP ISA IRQ Reserve specific IRQ s for use by legacy ISA devices See PCI PNP Resource Exclusion ISA IRQ Resource Exclusion on page 13 PCI PNP ISA DMA Reserve specific DMA channels for use by legacy ISA devices See Resource Exclusion PCI PNP ISA DMA Resource Exclusion on page 14 ISA graphics device No Enable ISA non VGA graphics device to access palette data in PCI installed Yes VGA device Default setting is No PCI IRQ line 1 Disabled PCI devices use hardware interrupts called IRQ s A PCI device PCI IRQ line 2 Auto Select cannot use IRQ s already in use by ISA Enable PCI IRQ line 3 3 PCI IRQ line 4 4 5 7 9 10 11 12 14 15 2001 ZF Micro Devices Incorporated 11 P N 9100 0066 01 Rev B MachZ BIOS User s Manual Supplement 4 3 5 PCI PNP ISA UMB Region Exclusion Figure 8 shows the PCI PNP ISA UMB Region Exclusion submenu selections This menu may display with different values depending on your configuration Eea es the specified D ock of upper memory or use by legacy IS
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