void __init olpc_dt_fixup(void)
{
int r;
char buf[64];
phandle node;
u32 board_rev;
node = olpc_dt_finddevice("/battery@0");
if (!node)
return;
/*
*/
r = olpc_dt_getproperty(node, "compatible", buf, sizeof(buf));
if (r > 0)
return;
pr_info("PROM DT: Old firmware detected, applying fixes\n");
/* */
olpc_dt_interpret("\" /battery@0\" find-device"
" \" olpc,xo1-battery\" +compatible"
" device-end");
board_rev = olpc_dt_get_board_revision();
if (!board_rev)
return;
if (board_rev >= olpc_board_pre(0xd0)) {
/* */
olpc_dt_interpret("\" /pci/display@1\" find-device"
" new-device"
" \" dcon\" device-name \" olpc,xo1-dcon\" +compatible"
" finish-device device-end");
} else {
/* */
olpc_dt_interpret("\" /pci/display@1,1\" find-device"
" new-device"
" \" dcon\" device-name \" olpc,xo1-dcon\" +compatible"
" finish-device device-end"
" \" /rtc\" find-device"
" \" olpc,xo1-rtc\" +compatible"
" device-end");
}
}
void __init olpc_dt_fixup(void)
{
int r;
char buf[64];
phandle node;
u32 board_rev;
node = olpc_dt_finddevice("/battery@0");
if (!node)
return;
/*
* If the battery node has a compatible property, we are running a new
* enough firmware and don't have fixups to make.
*/
r = olpc_dt_getproperty(node, "compatible", buf, sizeof(buf));
if (r > 0)
return;
pr_info("PROM DT: Old firmware detected, applying fixes\n");
/* Add olpc,xo1-battery compatible marker to battery node */
olpc_dt_interpret("\" /battery@0\" find-device"
" \" olpc,xo1-battery\" +compatible"
" device-end");
board_rev = olpc_dt_get_board_revision();
if (!board_rev)
return;
if (board_rev >= olpc_board_pre(0xd0)) {
/* XO-1.5: add dcon device */
olpc_dt_interpret("\" /pci/display@1\" find-device"
" new-device"
" \" dcon\" device-name \" olpc,xo1-dcon\" +compatible"
" finish-device device-end");
} else {
/* XO-1: add dcon device, mark RTC as olpc,xo1-rtc */
olpc_dt_interpret("\" /pci/display@1,1\" find-device"
" new-device"
" \" dcon\" device-name \" olpc,xo1-dcon\" +compatible"
" finish-device device-end"
" \" /rtc\" find-device"
" \" olpc,xo1-rtc\" +compatible"
" device-end");
}
}
static u32 __init olpc_dt_get_board_revision(void)
{
phandle node;
__be32 rev;
int r;
node = olpc_dt_finddevice("/");
if (!node)
return 0;
r = olpc_dt_getproperty(node, "board-revision-int",
(char *) &rev, sizeof(rev));
if (r < 0)
return 0;
return be32_to_cpu(rev);
}
