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Set fb_pbase properly on PowerPC in the case where we have to guess at

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the right register bank for the framebuffer. Disable the assigned-addresses
path on SPARC since it is just a hack for IBM PPC systems and was neither
relevant for nor worked on SPARC anyway.
This commit is contained in:
Nathan Whitehorn 2014-08-06 18:13:09 +00:00
parent d0746cb4be
commit f051baa008
1 changed files with 3 additions and 5 deletions
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8
sys/dev/vt/hw/ofwfb/ofwfb.c
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@ -337,6 +337,8 @@ ofwfb_init(struct vt_device *vd)
#else
#error Unsupported platform!
#endif
sc->fb.fb_pbase = fb_phys;
} else {
/*
* Some IBM systems don't have an address property. Try to
@ -386,17 +388,13 @@ ofwfb_init(struct vt_device *vd)
#if defined(__powerpc__)
OF_decode_addr(node, fb_phys, &sc->sc_memt, &sc->fb.fb_vbase);
#elif defined(__sparc64__)
OF_decode_addr(node, fb_phys, &space, &phys);
sc->sc_memt = &ofwfb_memt[0];
sc->fb.fb_vbase = sparc64_fake_bustag(space, phys, sc->sc_memt);
sc->fb.fb_pbase = sc->fb.fb_vbase; /* 1:1 mapped */
#else
/* No ability to interpret assigned-addresses otherwise */
return (CN_DEAD);
#endif
}
sc->fb.fb_pbase = fb_phys;
ofwfb_initialize(vd);
vt_fb_init(vd);