This is the first time I have submitted to an open source project, so please bear with me...
I have been trying to compile U-Boot for a custom AMD SC520 board for the last few weeks. I started on the 1.3.4 release but figured it would be for the betterment of U-Boot to get the i386 code base back in line with the master branch. As far as I can tell, the i386 / sc520 ports have not been actively developed for some time (maybe as far back as 2003/2004). If anyone else on this list has build for i386 / sc520 using a recent commit, can you please let me know.
My build environment is: - Ubuntu 8.04 (i86_32) - gcc (GCC) 4.2.3 (Ubuntu 4.2.3-2ubuntu7) - GNU Make 3.81 - Eclipse Version: 3.4.0
In my efforts, I think I may have uncovered a few issues which go beyond the i386 port. These mainly relate to PCI and ATA as described below. As a result, I have had to temporarily disable support for SATA, PCI and VIDEO for the sc520_cdp board. I have added a #define GRUSS_TESTING in /inlude/configs/sc520_cdp.h which is used to conditionally undefine: CONFIG_CMD_SATA CFG_SATA_MAXBUS CFG_SATA_DEVS_PER_BUS CFG_SATA_MAX_DEVICE CONFIG_ATA_PIIX CONFIG_VIDEO CONFIG_PCI CONFIG_PCI_PNP CONFIG_PCI_SCAN_SHOW
Some #ifdef CONFIG_PCI and #ifdef CONFIG_VIDEO have been added to /lib_i386/video_bios.c and /lib_i386/bios_setup.c to resolve several compiler and linker warnings and errors as a result of removing PCI and Video support
The detailed list of errors "sidestepped" by these 'hacks' is listed below (apologies for the formatting - I probably should have included compiler output) file: /drivers/block/ata_piix.c line 313 code: printf ("ata%u is slow to respond,plz be patient\n", port); error: format '%u' expects type 'unsigned int', but argument 2 has type 'struct sata_port *' line 321 code: printf ("ata%u failed to respond : ", port); error: format '%u' expects type 'unsigned int', but argument 2 has type 'struct sata_port *' line 366 code: input_data (&port[num].ioaddr, (ulong *) iobuf, ATA_SECTORWORDS); error: dereferencing type-punned pointer will break strict-aliasing rules lines 392 to 397 code: sata_cpy (sata_dev_desc[devno].revision, iop->fw_rev, sizeof (sata_dev_desc[devno].revision)); sata_cpy (sata_dev_desc[devno].vendor, iop->model, sizeof (sata_dev_desc[devno].vendor)); sata_cpy (sata_dev_desc[devno].product, iop->serial_no, sizeof (sata_dev_desc[devno].product)); error: pointer targets in passing argument 1 of 'sata_cpy' differ in signedness
file: /drivers/block/ata_piix.h lines 45 to 49 code: #define ata_id_u64(id,n) \ (((u64) (id)[(n) + 3] << 48) | \ ((u64) (id)[(n) + 2] << 32) | \ ((u64) (id)[(n) + 1] << 16) | \ ((u64) (id)[(n) + 0]) ) error: "ata_id_u64" redefined
lines 53 to 67 code: static inline void ata_dump_id (u16 * id) { PRINTF ("49 = 0x%04x " "53 = 0x%04x " "63 = 0x%04x " "64 = 0x%04x " "75 = 0x%04x \n", id[49], id[53], id[63], id[64], id[75]); PRINTF ("80 = 0x%04x " "81 = 0x%04x " "82 = 0x%04x " "83 = 0x%04x " "84 = 0x%04x \n", id[80], id[81], id[82], id[83], id[84]); PRINTF ("88 = 0x%04x " "93 = 0x%04x\n", id[88], id[93]); } error: static declaration of 'ata_dump_id' follows non-static declaration
file: /include/libata.h lines 451 - 455 code: #define ata_id_u64(id,n) \ ( ((u64) (id)[(n) + 3] << 48) | \ ((u64) (id)[(n) + 2] << 32) | \ ((u64) (id)[(n) + 1] << 16) | \ ((u64) (id)[(n) + 0]) ) error: this is the location of the previous definition
line 666 code: void ata_dump_id(u16 *id); error: previous declaration of 'ata_dump_id' was here
file: /lib_i386/video_bios.c lines 88 to 90 code: if ((devbusfn = pci_find_class(PCI_CLASS_VIDEO, PCI_CLASS_VIDEO_STD, PCI_CLASS_VIDEO_PROG_IF_VGA, 0)) != -1) { error: undefined reference to `pci_find_class'