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ofwfb: fix boot on LE

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Some framebuffer properties obtained from the device tree were not being
properly converted to host endian.
Replace OF_getprop calls by OF_getencprop where needed to fix this.

This fixes boot on PowerPC64 LE, when using ofwfb as the system console.

Reviewed by:    bdragon
Sponsored by:   Eldorado Research Institute (eldorado.org.br)
MFC after:      1 week
Differential Revision:  https://reviews.freebsd.org/D27475
This commit is contained in:
Leandro Lupori 2021-03-09 12:11:58 -03:00
parent f61831d2e8
commit 043577b721
1 changed files with 11 additions and 11 deletions
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22
sys/dev/vt/hw/ofwfb/ofwfb.c
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@ -108,7 +108,7 @@ ofwfb_probe(struct vt_device *vd)
return (CN_DEAD);
node = -1;
if (OF_getprop(chosen, "stdout", &stdout, sizeof(stdout)) ==
if (OF_getencprop(chosen, "stdout", &stdout, sizeof(stdout)) ==
sizeof(stdout))
node = OF_instance_to_package(stdout);
if (node == -1)
@ -386,7 +386,7 @@ ofwfb_init(struct vt_device *vd)
char buf[64];
phandle_t chosen;
phandle_t node;
uint32_t depth, height, width, stride;
pcell_t depth, height, width, stride;
uint32_t vendor_id = 0;
cell_t adr[2];
uint64_t user_phys;
@ -399,7 +399,7 @@ ofwfb_init(struct vt_device *vd)
node = -1;
chosen = OF_finddevice("/chosen");
if (OF_getprop(chosen, "stdout", &sc->sc_handle,
if (OF_getencprop(chosen, "stdout", &sc->sc_handle,
sizeof(ihandle_t)) == sizeof(ihandle_t))
node = OF_instance_to_package(sc->sc_handle);
if (node == -1)
@ -448,14 +448,14 @@ ofwfb_init(struct vt_device *vd)
return (CN_DEAD);
/* Only support 8 and 32-bit framebuffers */
OF_getprop(node, "depth", &depth, sizeof(depth));
OF_getencprop(node, "depth", &depth, sizeof(depth));
if (depth != 8 && depth != 32)
return (CN_DEAD);
sc->fb.fb_bpp = sc->fb.fb_depth = depth;
OF_getprop(node, "height", &height, sizeof(height));
OF_getprop(node, "width", &width, sizeof(width));
if (OF_getprop(node, "linebytes", &stride, sizeof(stride)) !=
OF_getencprop(node, "height", &height, sizeof(height));
OF_getencprop(node, "width", &width, sizeof(width));
if (OF_getencprop(node, "linebytes", &stride, sizeof(stride)) !=
sizeof(stride))
stride = width*depth/8;
@ -537,11 +537,11 @@ ofwfb_init(struct vt_device *vd)
* may be the child of the PCI device: in that case, try the
* parent for the assigned-addresses property.
*/
len = OF_getprop(node, "assigned-addresses", pciaddrs,
sizeof(pciaddrs));
len = OF_getencprop(node, "assigned-addresses",
(pcell_t *)pciaddrs, sizeof(pciaddrs));
if (len == -1) {
len = OF_getprop(OF_parent(node), "assigned-addresses",
pciaddrs, sizeof(pciaddrs));
len = OF_getencprop(OF_parent(node), "assigned-addresses",
(pcell_t *)pciaddrs, sizeof(pciaddrs));
}
if (len == -1)
len = 0;