asmlinkage void ofw_init(ofw_handle_t o, int *nomr, int *pointer)
{
int phandle,i,mem_len,buffer[32];
char temp[12];
temp[0]='/';
temp[1]='m';
temp[2]='e';
temp[3]='m';
temp[4]='o';
temp[5]='r';
temp[6]='y';
temp[7]='\0';
phandle=OF_finddevice(o,temp);
temp[0]='r';
temp[1]='e';
temp[2]='g';
temp[3]='\0';
mem_len = OF_getproplen(o,phandle, temp);
OF_getprop(o,phandle, temp, buffer, mem_len);
*nomr=mem_len >> 3;
for (i=0; i<=mem_len/4; i++) pointer[i]=of_decode_int((const unsigned char *)&buffer[i]);
temp[0]='/';
temp[1]='c';
temp[2]='h';
temp[3]='o';
temp[4]='s';
temp[5]='e';
temp[6]='n';
temp[7]='\0';
phandle=OF_finddevice(o,temp);
temp[0]='b';
temp[1]='o';
temp[2]='o';
temp[3]='t';
temp[4]='a';
temp[5]='r';
temp[6]='g';
temp[7]='s';
temp[8]='\0';
mem_len = OF_getproplen(o,phandle, temp);
OF_getprop(o,phandle, temp, buffer, mem_len);
for (i=0; i<=mem_len/4; i++) pointer[i+32]=buffer[i];
}
int
igsfb_ofbus_cnattach(bus_space_tag_t iot, bus_space_tag_t memt)
{
struct igsfb_devconfig *dc;
int ret;
int chosen_phandle, igs_node;
int stdout_ihandle, stdout_phandle;
uint32_t regs[16];
char mode_buffer[64];
stdout_phandle = 0;
/* first find out if there's a CyberPro at all in this machine */
igs_node = OF_finddevice("/vlbus/display");
if (igs_node == -1)
return ENXIO;
if (of_compatible(igs_node, compat_strings) < 0)
return ENXIO;
/*
* now we know there's a CyberPro in this machine so map it into
* kernel space, even if it's not the console
*/
if (OF_getprop(igs_node, "reg", regs, sizeof(regs)) <= 0)
return ENXIO;
igsfb_mem_paddr = be32toh(regs[13]);
/* 4MB VRAM aperture, bufferable and cacheable */
igsfb_mem_vaddr = ofw_map(igsfb_mem_paddr, 0x00400000, L2_B);
/* MMIO registers */
igsfb_mmio_vaddr = ofw_map(igsfb_mem_paddr + IGS_MEM_MMIO_SELECT,
0x00100000, 0);
memcpy(&igsfb_memt, memt, sizeof(struct bus_space));
igsfb_memt.bs_cookie = (void *)igsfb_mem_vaddr;
memcpy(&igsfb_iot, memt, sizeof(struct bus_space));
igsfb_iot.bs_cookie = (void *)igsfb_mmio_vaddr;
/*
* check if the firmware output device is indeed the CyberPro
*/
if ((chosen_phandle = OF_finddevice("/chosen")) == -1 ||
OF_getprop(chosen_phandle, "stdout", &stdout_ihandle,
sizeof(stdout_ihandle)) != sizeof(stdout_ihandle)) {
return ENXIO;
}
stdout_ihandle = of_decode_int((void *)&stdout_ihandle);
stdout_phandle = OF_instance_to_package(stdout_ihandle);
if (stdout_phandle != igs_node)
return ENXIO;
/* ok, now setup and attach the console */
dc = &igsfb_console_dc;
ret = igsfb_setup_dc(dc);
if (ret)
return ret;
if (of_get_mode_string(mode_buffer, sizeof(mode_buffer))) {
strcpy(dc->dc_modestring, mode_buffer);
}
ret = igsfb_cnattach_subr(dc);
if (ret)
return ret;
igsfb_ofbus_console = 1;
igsfb_ofbus_phandle = stdout_phandle;
#if (NIGSFB_OFBUS > 0) || (NVGA_OFBUS > 0)
console_ihandle = stdout_ihandle;
#endif
return 0;
}