diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pci/pci_rom.c | 32 | ||||
| -rw-r--r-- | drivers/video/vesa_fb.c | 6 |
2 files changed, 28 insertions, 10 deletions
diff --git a/drivers/pci/pci_rom.c b/drivers/pci/pci_rom.c index 5729a152e5..48c0a77fdd 100644 --- a/drivers/pci/pci_rom.c +++ b/drivers/pci/pci_rom.c @@ -228,11 +228,12 @@ int vbe_get_video_info(struct graphic_device *gdev) #endif } -int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void), bool emulate) +int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void), int exec_method) { struct pci_rom_header *rom, *ram; int vesa_mode = -1; uint16_t class; + bool emulate; int ret; /* Only execute VGA ROMs */ @@ -262,6 +263,29 @@ int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void), bool emulate) vesa_mode = CONFIG_FRAMEBUFFER_VESA_MODE; #endif debug("Selected vesa mode %#x\n", vesa_mode); + + if (exec_method & PCI_ROM_USE_NATIVE) { +#ifdef CONFIG_X86 + emulate = false; +#else + if (!(exec_method & PCI_ROM_ALLOW_FALLBACK)) { + printf("BIOS native execution is only available on x86\n"); + return -ENOSYS; + } + emulate = true; +#endif + } else { +#ifdef CONFIG_BIOSEMU + emulate = true; +#else + if (!(exec_method & PCI_ROM_ALLOW_FALLBACK)) { + printf("BIOS emulation not available - see CONFIG_BIOSEMU\n"); + return -ENOSYS; + } + emulate = false; +#endif + } + if (emulate) { #ifdef CONFIG_BIOSEMU BE_VGAInfo *info; @@ -274,9 +298,6 @@ int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void), bool emulate) vesa_mode, &mode_info); if (ret) return ret; -#else - printf("BIOS emulation not available - see CONFIG_BIOSEMU\n"); - return -ENOSYS; #endif } else { #ifdef CONFIG_X86 @@ -284,9 +305,6 @@ int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void), bool emulate) bios_run_on_x86(dev, (unsigned long)ram, vesa_mode, &mode_info); -#else - printf("BIOS native execution is only available on x86\n"); - return -ENOSYS; #endif } debug("Final vesa mode %#x\n", mode_info.video_mode); diff --git a/drivers/video/vesa_fb.c b/drivers/video/vesa_fb.c index 3a0fea2584..9164f8d166 100644 --- a/drivers/video/vesa_fb.c +++ b/drivers/video/vesa_fb.c @@ -42,8 +42,8 @@ void *video_hw_init(void) printf("no card detected\n"); return NULL; } - printf("bdf %x\n", dev); - ret = pci_run_vga_bios(dev, NULL, true); + ret = pci_run_vga_bios(dev, NULL, PCI_ROM_USE_NATIVE | + PCI_ROM_ALLOW_FALLBACK); if (ret) { printf("failed to run video BIOS: %d\n", ret); return NULL; @@ -59,7 +59,7 @@ void *video_hw_init(void) sprintf(gdev->modeIdent, "%dx%dx%d", gdev->winSizeX, gdev->winSizeY, bits_per_pixel); printf("%s\n", gdev->modeIdent); - debug("Framex buffer at %x\n", gdev->pciBase); + debug("Frame buffer at %x\n", gdev->pciBase); return (void *)gdev; } |