Kazuaki Ichinohe wrote:
Hi Anatolij, Stefan,
Thank you for the reply. I confirmed your patch source. However, the exception was generated.
U-Boot 2009.01 ( 3月 19 2009 - 18:41:36)
CPU: AMCC PowerPC 460EX Rev. A at 800 MHz (PLB=200, OPB=100, EBC=100 MHz) Security/Kasumi support Bootstrap Option H - Boot ROM Location I2C (Addr 0x52) Internal PCI arbiter disabled 32 kB I-Cache 32 kB D-Cache Board: Canyonlands - AMCC PPC460EX Evaluation Board, 1*PCIe/1*SATA, Rev. 14 I2C: ready DTT: 1 is 39 C DRAM: 512 MB (ECC not enabled, 400 MHz, CL3) FLASH: 64 MB NAND: 128 MiB PCI: Bus Dev VenId DevId Class Int 00 06 1002 5960 0300 ff 00 06 1002 5940 0380 ff PCIE1: link is not up. PCIE1: initialization as root-complex failed Video: ATI Radeon video card (1002, 5960) found @(0:6:0) rinfo->mmio_base = 0x88000000 rinfo->fb_local_base = 0x59c00000 videoboot: Booting PCI video card bus 0, function 0, device 6 Machine Check Exception.
Now register access to BAR2 seems to work. What was the value of VIDEO_IO_OFFSET used with this latest test?
Best regards, Anatolij