diff options
Diffstat (limited to 'doc/README.mpc85xxads')
| -rw-r--r-- | doc/README.mpc85xxads | 106 |
1 files changed, 64 insertions, 42 deletions
diff --git a/doc/README.mpc85xxads b/doc/README.mpc85xxads index c49b2a8..1bbaa54 100644 --- a/doc/README.mpc85xxads +++ b/doc/README.mpc85xxads @@ -15,7 +15,7 @@ http://ftp.gnu.org/gnu/binutils. shipped with your board. Then apply the following changes: SW3[1-6]="all OFF" (boot from 32bit flash, no boot sequence is used) SW10[2-6]="all OFF" (turn on CPM SCC for serial port,works for 8540/8560) - SW11[2]='OFF for 8560, ON for 8540' (single switch to toggle 8540.8560 mode) + SW11[2]='OFF for 8560, ON for 8540' (toggle 8540.8560 mode) SW11[7]='ON' (rev2), 'OFF' (rev1) SW4[7-8]="OFF OFF" (enable serial ports,I'm using the top serial connector) SW22[1-4]="OFF OFF ON OFF" @@ -26,7 +26,8 @@ http://ftp.gnu.org/gnu/binutils. have to change the system clock from the default 66Mhz to 33Mhz by setting SW15[1]="OFF" and SW17[8]="OFF". After that you may also need double your platform clock(SW6) because the system clock is now only - half of its original value. + half of its original value. For example, if at 66MHz your system + clock showed SW6[0:1] = 01, then at 33MHz SW6[0:1] it should be 10. 1.3 SW6 is a very important switch, it decides your platform clock and CPU clock based on the on-board system clock(default 66MHz). Check the @@ -42,7 +43,7 @@ http://ftp.gnu.org/gnu/binutils. 0x0000_0000 0x7fff_ffff DDR 2G 0x8000_0000 0x9fff_ffff PCI MEM 512M 0xc000_0000 0xdfff_ffff Rapid IO 512M - 0xe000_0000 0xe000_ffff CCSR 1M + 0xe000_0000 0xe00f_ffff CCSR 1M 0xe200_0000 0xe2ff_ffff PCI IO 16M 0xf000_0000 0xf7ff_ffff SDRAM 128M 0xf800_0000 0xf80f_ffff BCSR 1M @@ -56,11 +57,12 @@ http://ftp.gnu.org/gnu/binutils. arch/ppc/configs/mpc8540_ads_defconfig arch/ppc/configs/mpc8560_ads_defconfig - 3. DEFINITIONS AND COMPILATION -3.1 Explanation on NEW definitions in include/configs/MPC8540ADS.h and include/ - configs/MPC8560ADS.h +3.1 Explanation on NEW definitions in: + include/configs/MPC8540ADS.h + include/configs/MPC8560ADS.h + CONFIG_BOOKE BOOKE(e.g. Motorola MPC85xx, IBM 440, etc) CONFIG_E500 BOOKE e500 family(Motorola) CONFIG_MPC85xx MPC8540,MPC8560 and their derivatives @@ -69,49 +71,63 @@ http://ftp.gnu.org/gnu/binutils. CONFIG_MPC8540ADS MPC8540ADS board specific CONFIG_MPC8560ADS MPC8560ADS board specific CONFIG_TSEC_ENET Use on-chip 10/100/1000 ethernet for networking - CONFIG_SPD_EEPROM Use SPD EEPROM for DDR auto configuration, you can also - manual config the DDR after undef this definition. + CONFIG_SPD_EEPROM Use SPD EEPROM for DDR auto configuration, you can + also manual config the DDR after undef this + definition. CONFIG_DDR_ECC only for ECC DDR module - CONFIG_DDR_DLL DLL fix on some ADS boards needed for more stability. - CONFIG_RAM_AS_FLASH after define this, you can load U-Boot into localbus - SDRAM and treat localbus SDRAM as a flash. We use this - memory based U-Boot before flash is working while Metrowerks - and Windriver are still working on their flash/JTAG tools. - if you can program the flash directly, undef this. - Other than the above definitions, the rest in the config files are straightforward. + CONFIG_DDR_DLL DLL fix on some ADS boards needed for more + stability. + CONFIG_RAM_AS_FLASH after define this, you can load U-Boot into + localbus SDRAM and treat localbus SDRAM as a + flash. We use this memory based U-Boot + before flash is working while Metrowerks and + Windriver are still working on their + flash/JTAG tools. if you can program the + flash directly, undef this. + +Other than the above definitions, the rest in the config files are +straightforward. + 3.2 Compilation - export CROSS_COMPILE=your-cross-compile-prefix(assuming you're using BASH shell) - cd u-boot - make distclean - make MPC8560ADS_config (or make MPC8540ADS_config) - make + Assuming you're using BASH shell: + + export CROSS_COMPILE=your-cross-compile-prefix + cd u-boot + make distclean + make MPC8560ADS_config (or make MPC8540ADS_config) + make 4. Notes: 4.1 When connecting with kermit, the following commands must be present.in - your .kermrc file. These are especially important when booting as - MPC8560, as the serial console will not work without them: - -set speed 115200 -set carrier-watch off -set handshake none -set flow-control none -robust - -4.2 Sometimes after U-Boot is up, the 'tftp' won't work well with TSEC ethernet. If that - happens, you can try the following steps to make network work: - MPC8560ADS>tftp 1000000 pImage - (if it hangs, use Ctrl-C to quit) - MPC8560ADS>nm fdf24524 - >0 - >1 - >. (to quit this memory operation) - MPC8560ADS>tftp 1000000 pImage - -4.3 If you're one of the early developers using the Rev1 8540/8560 chips, please use U-Boot - 1.0.0, as the newer silicon will only support Rev2 and future revisions of 8540/8560. + your .kermrc file. These are especially important when booting as + MPC8560, as the serial console will not work without them: + + set speed 115200 + set carrier-watch off + set handshake none + set flow-control none + robust + + +4.2 Sometimes after U-Boot is up, the 'tftp' won't work well with TSEC + ethernet. If that happens, you can try the following steps to make + network work: + + MPC8560ADS>tftp 1000000 pImage + (if it hangs, use Ctrl-C to quit) + MPC8560ADS>nm fdf24524 + >0 + >1 + >. (to quit this memory operation) + MPC8560ADS>tftp 1000000 pImage + +4.3 If you're one of the early developers using the Rev1 8540/8560 chips, + please use U-Boot 1.0.0, as the newer silicon will only support Rev2 + and future revisions of 8540/8560. + 4.4 Reflash U-boot Image using U-boot @@ -121,8 +137,14 @@ robust => cp.b 0 fff80000 80000 -5. Screen dump: +4.5 Reflash U-Boot with a BDI-2000 + BDI> erase 0xFFF80000 0x2000 0x40 + BDI> prog 0xfff80000 u-boot.bin.8560ads + BDI> verify + + +5. Screen dump: 5.1 MPC8540ADS board U-Boot 1.0.0-pre (Oct 15 2003 - 13:40:33) |