xref: /OK3568_Linux_fs/u-boot/arch/powerpc/cpu/mpc86xx/fdt.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright 2008, 2011 Freescale Semiconductor, Inc.
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #include <common.h>
8*4882a593Smuzhiyun #include <linux/libfdt.h>
9*4882a593Smuzhiyun #include <fdt_support.h>
10*4882a593Smuzhiyun #include <asm/mp.h>
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun DECLARE_GLOBAL_DATA_PTR;
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun extern void ft_fixup_num_cores(void *blob);
15*4882a593Smuzhiyun extern void ft_srio_setup(void *blob);
16*4882a593Smuzhiyun 
ft_cpu_setup(void * blob,bd_t * bd)17*4882a593Smuzhiyun void ft_cpu_setup(void *blob, bd_t *bd)
18*4882a593Smuzhiyun {
19*4882a593Smuzhiyun #ifdef CONFIG_MP
20*4882a593Smuzhiyun 	int off;
21*4882a593Smuzhiyun 	u32 bootpg = determine_mp_bootpg(NULL);
22*4882a593Smuzhiyun #endif
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun 	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
25*4882a593Smuzhiyun 			     "timebase-frequency", bd->bi_busfreq / 4, 1);
26*4882a593Smuzhiyun 	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
27*4882a593Smuzhiyun 			     "bus-frequency", bd->bi_busfreq, 1);
28*4882a593Smuzhiyun 	do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
29*4882a593Smuzhiyun 			     "clock-frequency", bd->bi_intfreq, 1);
30*4882a593Smuzhiyun 	do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
31*4882a593Smuzhiyun 			     "bus-frequency", bd->bi_busfreq, 1);
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun 	fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun #ifdef CONFIG_SYS_NS16550
36*4882a593Smuzhiyun 	do_fixup_by_compat_u32(blob, "ns16550",
37*4882a593Smuzhiyun 			       "clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
38*4882a593Smuzhiyun #endif
39*4882a593Smuzhiyun 
40*4882a593Smuzhiyun #ifdef CONFIG_MP
41*4882a593Smuzhiyun 	/* Reserve the boot page so OSes dont use it */
42*4882a593Smuzhiyun 	off = fdt_add_mem_rsv(blob, bootpg, (u64)4096);
43*4882a593Smuzhiyun 	if (off < 0)
44*4882a593Smuzhiyun 		printf("%s: %s\n", __FUNCTION__, fdt_strerror(off));
45*4882a593Smuzhiyun 
46*4882a593Smuzhiyun 	ft_fixup_num_cores(blob);
47*4882a593Smuzhiyun #endif
48*4882a593Smuzhiyun 
49*4882a593Smuzhiyun #ifdef CONFIG_SYS_SRIO
50*4882a593Smuzhiyun 	ft_srio_setup(blob);
51*4882a593Smuzhiyun #endif
52*4882a593Smuzhiyun }
53