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Diffstat (limited to 'doc/README.mpc85xxads')
| -rw-r--r-- | doc/README.mpc85xxads | 88 |
1 files changed, 57 insertions, 31 deletions
diff --git a/doc/README.mpc85xxads b/doc/README.mpc85xxads index f78c9c6..4c1686f 100644 --- a/doc/README.mpc85xxads +++ b/doc/README.mpc85xxads @@ -13,36 +13,44 @@ use the newest binutils-2.14.tar.bz2 from 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 dracom, ON for draco' (single switch to toggle draco.dracom mode) + SW11[2]='OFF for 8560, ON for 8540' (single switch to 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" SW5[1-10[="ON ON OFF OFF OFF OFF OFF OFF OFF OFF" J1 = "Enable Prog" (Make sure your flash is programmable for development) - Ethernet PHY connectors(J47,J56) should be removed if you want to use the ethernet. -1.2 If you want to test PCI functionality with a 33Mhz PCI card, you will 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. -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 document along with your board - for details. +1.2 If you want to test PCI functionality with a 33Mhz PCI card, you will + 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. +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 + document along with your board for details. + 2. MEMORY MAP TO WORK WITH LINUX KERNEL -2.1. For the initial bringup, we adopted a consistent memory scheme between u-boot and - linux kernel, you can customize it based on your system requirements: - DDR: 0x00000000-0x1fffffff (max 512MB) - PCI: 0xe0000000-0xefffffff (256MB) - RIO: 0xf0000000-0xf7ffffff (128MB) - Local SDRAM: 0xf8000000-0xfbffffff (64MB) - Local CSx: 0xfc000000-0xfdefffff (31MB) BCSR,RTC,ATM config,etc. - CCSRBAR: 0xfdf00000-0xfdffffff (1MB) - Flash: 0xfe000000-0xffffffff (max 32MB) -2.2 We are submitting Linux kernel patches for MPC8540 and MPC8560. Hope you will be - able to download them from linuxppc-2.4 public source by the time you are reading - this. Please make sure the kernel's ppcboot.h is consistent with U-Boot's u-boot.h, - then you can use two default configuration files in the kernel source as a test: - arch/ppc/configs/mpc8540ads_defconfig - arch/ppc/configs/mpc8560ads_defconfig + +2.1. For the initial bringup, we adopted a consistent memory scheme + between u-boot and linux kernel, you can customize it based on your + system requirements: + + 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 + 0xe200_0000 0xe2ff_ffff PCI IO 16M + 0xf000_0000 0xf7ff_ffff SDRAM 128M + 0xf800_0000 0xf80f_ffff BCSR 1M + 0xff00_0000 0xffff_ffff FLASH (boot bank) 16M + +2.2 We are submitting Linux kernel patches for MPC8540 and MPC8560. You + can download them from linuxppc-2.4 public source. Please make sure the + kernel's ppcboot.h is consistent with U-Boot's u-boot.h. You can use two + default configuration files as your starting points to configure the + kernel: + 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/ @@ -50,9 +58,6 @@ use the newest binutils-2.14.tar.bz2 from http://ftp.gnu.org/gnu/binutils. CONFIG_BOOKE BOOKE(e.g. Motorola MPC85xx, IBM 440, etc) CONFIG_E500 BOOKE e500 family(Motorola) CONFIG_MPC85xx MPC8540,MPC8560 and their derivatives - CONFIG_MPC85xx_REV1 MPC85xx Rev 1 Chip, in general you will use a Rev2 - chip from Nov.2003. If you still see this definition - while you have a Rev2(and newer) chip,undef this. CONFIG_MPC8540 MPC8540 specific CONFIG_MPC8560 MPC8560 specific CONFIG_MPC8540ADS MPC8540ADS board specific @@ -61,8 +66,7 @@ use the newest binutils-2.14.tar.bz2 from http://ftp.gnu.org/gnu/binutils. 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 possible DLL fix needed for Rev1 chip for more stability. - you can disable this if you're having a newer chip. + 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 @@ -78,8 +82,19 @@ use the newest binutils-2.14.tar.bz2 from http://ftp.gnu.org/gnu/binutils. make MPC8560ADS_config (or make MPC8540ADS_config) make -4. Note on the 10/100/1000 Ethernet controller: -4.1 Sometimes after U-Boot is up, the 'tftp' won't work well with TSEC ethernet. If that +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) @@ -88,6 +103,17 @@ use the newest binutils-2.14.tar.bz2 from http://ftp.gnu.org/gnu/binutils. >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 + + => tftp 0 u-boot.bin + => protect off fff80000 ffffffff + => erase fff80000 ffffffff + => cp.b 0 fff80000 80000 + 5. Screen dump: 5.1 MPC8540ADS board |