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diff --git a/board/freescale/mpc8641hpcn/README b/board/freescale/mpc8641hpcn/README deleted file mode 100644 index 77909a8383..0000000000 --- a/board/freescale/mpc8641hpcn/README +++ /dev/null @@ -1,186 +0,0 @@ -Freescale MPC8641HPCN board -=========================== - -Created 05/24/2006 Haiying Wang -------------------------------- - -1. Building U-Boot ------------------- -The 86xx HPCN code base is known to compile using: - Binutils 2.15, Gcc 3.4.3, Glibc 2.3.3 - - $ make MPC8641HPCN_config - Configuring for MPC8641HPCN board... - - $ make - - -2. Switch and Jumper Setting ----------------------------- -Jumpers: - J14 Pins 1-2 (near plcc32 socket) - -Switches: - SW1(1-5) = 01100 CONFIG_SYS_COREPLL = 01000 :: CORE = 2:1 - 01100 :: CORE = 2.5:1 - 10000 :: CORE = 3:1 - 11100 :: CORE = 3.5:1 - 10100 :: CORE = 4:1 - 01110 :: CORE = 4.5:1 - SW1(6-8) = 001 CONFIG_SYS_SYSCLK = 000 :: SYSCLK = 33MHz - 001 :: SYSCLK = 40MHz - - SW2(1-4) = 1100 CONFIG_SYS_CCBPLL = 0010 :: 2X - 0100 :: 4X - 0110 :: 6X - 1000 :: 8X - 1010 :: 10X - 1100 :: 12X - 1110 :: 14X - 0000 :: 16X - SW2(5-8) = 1110 CONFIG_SYS_BOOTLOC = 1110 :: boot 16-bit localbus - - SW3(1-7) = 0011000 CONFIG_SYS_VID = 0011000 :: VCORE = 1.2V - 0100000 :: VCORE = 1.11V - SW3(8) = 0 VCC_PLAT = 0 :: VCC_PLAT = 1.2V - 1 :: VCC_PLAT = 1.0V - - SW4(1-2) = 11 CONFIG_SYS_HOSTMODE = 11 :: both prots host/root - SW4(3-4) = 11 CONFIG_SYS_BOOTSEQ = 11 :: no boot seq - SW4(5-8) = 0011 CONFIG_SYS_IOPORT = 0011 :: both PEX - - SW5(1) = 1 CONFIG_SYS_FLASHMAP = 1 :: boot from flash - 0 :: boot from PromJet - SW5(2) = 1 CONFIG_SYS_FLASHBANK = 1 :: swap upper/lower - halves (virtual banks) - 0 :: normal - SW5(3) = 0 CONFIG_SYS_FLASHWP = 0 :: not protected - SW5(4) = 0 CONFIG_SYS_PORTDIV = 1 :: 2:1 for PD4 - 1:1 for PD6 - SW5(5-6) = 11 CONFIG_SYS_PIXISOPT = 11 :: s/w determined - SW5(7-8) = 11 CONFIG_SYS_LADOPT = 11 :: s/w determined - - SW6(1) = 1 CONFIG_SYS_CPUBOOT = 1 :: no boot holdoff - SW6(2) = 1 CONFIG_SYS_BOOTADDR = 1 :: no traslation - SW6(3-5) = 000 CONFIG_SYS_REFCLKSEL = 000 :: 100MHZ - SW6(6) = 1 CONFIG_SYS_SERROM_ADDR= 1 :: - SW6(7) = 1 CONFIG_SYS_MEMDEBUG = 1 :: - SW6(8) = 1 CONFIG_SYS_DDRDEBUG = 1 :: - - SW8(1) = 1 ACZ_SYNC = 1 :: 48MHz on TP49 - SW8(2) = 1 ACB_SYNC = 1 :: THRMTRIP disabled - SW8(3) = 1 ACZ_SDOUT = 1 :: p4 mode - SW8(4) = 1 ACB_SDOUT = 1 :: PATA freq. = 133MHz - SW8(5) = 0 SUSLED = 0 :: SouthBridge Mode - SW8(6) = 0 SPREAD = 0 :: REFCLK SSCG Disabled - SW8(7) = 1 ACPWR = 1 :: non-battery - SW8(8) = 0 CONFIG_SYS_IDWP = 0 :: write enable - - -3. Flash U-Boot ---------------- -The flash range 0xEF800000 to 0xEFFFFFFF can be divided into 2 halves. -It is possible to use either half to boot using U-Boot. Switch 5 bit 2 -is used for this purpose. - -0xEF800000 to 0xEFBFFFFF - 4MB -0xEFC00000 to 0xEFFFFFFF - 4MB -When this bit is 0, U-Boot is at 0xEFF00000. -When this bit is 1, U-Boot is at 0xEFB00000. - -Use the above mentioned flash commands to program the other half, and -use switch 5, bit 2 to alternate between the halves. Note: The booting -version of U-Boot will always be at 0xEFF00000. - -To Flash U-Boot into the booting bank (0xEFC00000 - 0xEFFFFFFF): - - tftp 1000000 u-boot.bin - protect off all - erase eff00000 +$filesize - cp.b 1000000 eff00000 $filesize - -or use tftpflash command: - run tftpflash - -To Flash U-Boot into the alternative bank (0xEF800000 - 0xEFBFFFFF): - - tftp 1000000 u-boot.bin - erase efb00000 +$filesize - cp.b 1000000 efb00000 $filesize - - -4. Memory Map -------------- -NOTE: RIO and PCI are mutually exclusive, so they share an address - -For 32-bit U-Boot, devices are mapped so that the virtual address == -the physical address, and the map looks liks this: - - Memory Range Device Size - ------------ ------ ---- - 0x0000_0000 0x7fff_ffff DDR 2G - 0x8000_0000 0x9fff_ffff RIO MEM 512M - 0x8000_0000 0x9fff_ffff PCI1/PEX1 MEM 512M - 0xa000_0000 0xbfff_ffff PCI2/PEX2 MEM 512M - 0xffe0_0000 0xffef_ffff CCSR 1M - 0xffdf_0000 0xffdf_7fff PIXIS 8K - 0xffdf_8000 0xffdf_ffff CF 8K - 0xf840_0000 0xf840_3fff Stack space 32K - 0xffc0_0000 0xffc0_ffff PCI1/PEX1 IO 64K - 0xffc1_0000 0xffc1_ffff PCI2/PEX2 IO 64K - 0xef80_0000 0xefff_ffff Flash 8M - -For 36-bit-enabled U-Boot, the virtual map is the same as for 32-bit. -However, the physical map is altered to reside in 36-bit space, as follows. -Addresses are no longer mapped with VA == PA. All accesses from -software use the VA; the PA is only used for setting up windows -and mappings. Note that with the exception of PCI MEM and RIO, the low - 32 bits are the same as the VA above; only the top 4 bits vary: - - Memory Range Device Size - ------------ ------ ---- - 0x0_0000_0000 0x0_7fff_ffff DDR 2G - 0xc_0000_0000 0xc_1fff_ffff RIO MEM 512M - 0xc_0000_0000 0xc_1fff_ffff PCI1/PEX1 MEM 512M - 0xc_2000_0000 0xc_3fff_ffff PCI2/PEX2 MEM 512M - 0xf_ffe0_0000 0xf_ffef_ffff CCSR 1M - 0xf_ffdf_0000 0xf_ffdf_7fff PIXIS 8K - 0xf_ffdf_8000 0xf_ffdf_ffff CF 8K - 0x0_f840_0000 0xf_f840_3fff Stack space 32K - 0xf_ffc0_0000 0xf_ffc0_ffff PCI1/PEX1 IO 64K - 0xf_ffc1_0000 0xf_ffc1_ffff PCI2/PEX2 IO 64K - 0xf_ef80_0000 0xf_efff_ffff Flash 8M - -5. pixis_reset command --------------------- -A new command, "pixis_reset", is introduced to reset mpc8641hpcn board -using the FPGA sequencer. When the board restarts, it has the option -of using either the current or alternate flash bank as the boot -image, with or without the watchdog timer enabled, and finally with -or without frequency changes. - -Usage is; - - pixis_reset - pixis_reset altbank - pixis_reset altbank wd - pixis_reset altbank cf <SYSCLK freq> <COREPLL ratio> <MPXPLL ratio> - pixis_reset cf <SYSCLK freq> <COREPLL ratio> <MPXPLL ratio> - -Examples; - - /* reset to current bank, like "reset" command */ - pixis_reset - - /* reset board but use the to alternate flash bank */ - pixis_reset altbank - - /* reset board, use alternate flash bank with watchdog timer enabled*/ - pixis_reset altbank wd - - /* reset board to alternate bank with frequency changed. - * 40 is SYSCLK, 2.5 is COREPLL ratio, 10 is MPXPLL ratio - */ - pixis-reset altbank cf 40 2.5 10 - -Valid clock choices are in the 8641 Reference Manuals. |