diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/README-x86 | 74 | ||||
| -rw-r--r-- | doc/TODO-i386 | 29 |
2 files changed, 0 insertions, 103 deletions
diff --git a/doc/README-x86 b/doc/README-x86 deleted file mode 100644 index e8c2fc9..0000000 --- a/doc/README-x86 +++ /dev/null @@ -1,74 +0,0 @@ -This is my attempt to port U-Boot to the x86 platform. This -work was sponsored by my emplyer, Omicron Ceti AB. http://www.omicron.se - -It is currently capable of booting a linux bzImage from flash on -the AMD SC520 CDP platform. - -It was originally based on PPCBoot taken from the CVS October 28 2002. - -To compile: - -1) Unpack the source tree, either from the complete tarball or - from the virgin snapshot + the patch - -2) Configure the source - $ make sc520_cdp_comfig - $ make - -To use this code on the CDP: -1) Make a suitable kernel, I used 2.4.19 with the mtd-support updated - from the MTD CVS and a patch to allow root=/dev/mtdblock1 which I - included at the end of this file. - The following options in the MTD section might be useful: - - CONFIG_MTD_PHYSMAP=y - CONFIG_MTD_PHYSMAP_START=38100000 - CONFIG_MTD_PHYSMAP_LEN=7a0000 - CONFIG_MTD_PHYSMAP_BUSWIDTH=2 - - -2) Program it in to the CDP flashbank with remon - u-boot.bin should be programmed att offset 0x7e000 and the kernel at - offset 0. If you want to use a jffs2 root file system (not included here), - it should be programmed to offset 0x100000. - - remon> z - remon> yi - remon> ns u-boot.bin 7e0000 - remon> ns bzImage 0 - remon> ns image.jffs2 100000 - -3) Connect a terminal to the 25pin serial port at 9600bps, and start the CDP. - - remon> z - remon> g - -4) U-Boot should output some message and a prompt on the terminal, to - start the kernel issue the following command: - - BOOT> bootm - -5) The kernel should boot, and mount the root filesystem if present. - -We hope you find this stuff useful -Daniel Engström, Omicron Ceti AB, daniel@omicron.se - - ---- linux-2.4.19-orig/init/do_mounts.c Sat Aug 3 02:39:46 2002 -+++ linux-2.4.19/init/do_mounts.c Mon Sep 23 16:21:33 2002 -@@ -224,6 +224,14 @@ - { "ftlc", 0x2c10 }, - { "ftld", 0x2c18 }, - { "mtdblock", 0x1f00 }, -+ { "mtdblock0", 0x1f00 }, -+ { "mtdblock1", 0x1f01 }, -+ { "mtdblock2", 0x1f02 }, -+ { "mtdblock3", 0x1f03 }, -+ { "mtdblock4", 0x1f04 }, -+ { "mtdblock5", 0x1f05 }, -+ { "mtdblock6", 0x1f06 }, -+ { "mtdblock7", 0x1f07 }, - { NULL, 0 } - }; - -------------------- diff --git a/doc/TODO-i386 b/doc/TODO-i386 deleted file mode 100644 index 9b6c5d4..0000000 --- a/doc/TODO-i386 +++ /dev/null @@ -1,29 +0,0 @@ -i386 port missing features: -* i386 cleaness (wbinvld is 486+ ... ) -* Pentium TSC timer/udelay -* setup the BIOS data area and BIOS equipment word to reflect machine config. -* Make reset work (from Linux and from the boot prompt) -* DMA, FDC, RTC, KBC initialization -* split of part of arch/i386/cpu/interrupt.c to cpu/i385/entry.c? -* re-entry of protected mode from real mode, should be added to realmode_switch.S - (and used by INT 10h and INT 16h handlers for console I/O during early - linux boot...) -* missing functions in arch/i386/lib and arch/i386/cpu -* speaker beep interface - - -SC520 missing features: -* Watchdog -* SC520 timer/udelay -* SC520 3rd PIC -* SC520 ICE serial -* SC520 MMCR reset - -SC520 CDP board support missing features: -* environment in sram - -SC520 CDP board support bugs: -* SPI EEPROM support does not work -* 0x680 LEDS dos not work for me -* is it possible to make both the internal serial ports and the - ports on the sio work at the same time? |