2 * Copyright 2007-2010 Freescale Semiconductor, Inc.
5 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
7 * See file CREDITS for list of people who contributed to this
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
28 #include <fdt_support.h>
29 #include <asm/processor.h>
30 #include <linux/ctype.h>
32 #include <asm/fsl_portals.h>
33 #ifdef CONFIG_FSL_ESDHC
34 #include <fsl_esdhc.h>
37 DECLARE_GLOBAL_DATA_PTR
;
39 extern void ft_qe_setup(void *blob
);
40 extern void ft_fixup_num_cores(void *blob
);
45 void ft_fixup_cpu(void *blob
, u64 memory_limit
)
48 ulong spin_tbl_addr
= get_spin_phys_addr();
49 u32 bootpg
= determine_mp_bootpg();
52 off
= fdt_node_offset_by_prop_value(blob
, -1, "device_type", "cpu", 4);
53 while (off
!= -FDT_ERR_NOTFOUND
) {
54 u32
*reg
= (u32
*)fdt_getprop(blob
, off
, "reg", 0);
58 fdt_setprop_string(blob
, off
, "status", "okay");
60 u64 val
= *reg
* SIZE_BOOT_ENTRY
+ spin_tbl_addr
;
61 val
= cpu_to_fdt32(val
);
62 fdt_setprop_string(blob
, off
, "status",
64 fdt_setprop_string(blob
, off
, "enable-method",
66 fdt_setprop(blob
, off
, "cpu-release-addr",
70 printf ("cpu NULL\n");
72 off
= fdt_node_offset_by_prop_value(blob
, off
,
73 "device_type", "cpu", 4);
76 /* Reserve the boot page so OSes dont use it */
77 if ((u64
)bootpg
< memory_limit
) {
78 off
= fdt_add_mem_rsv(blob
, bootpg
, (u64
)4096);
80 printf("%s: %s\n", __FUNCTION__
, fdt_strerror(off
));
85 #ifdef CONFIG_SYS_FSL_CPC
86 static inline void ft_fixup_l3cache(void *blob
, int off
)
88 u32 line_size
, num_ways
, size
, num_sets
;
89 cpc_corenet_t
*cpc
= (void *)CONFIG_SYS_FSL_CPC_ADDR
;
90 u32 cfg0
= in_be32(&cpc
->cpccfg0
);
92 size
= CPC_CFG0_SZ_K(cfg0
) * 1024 * CONFIG_SYS_NUM_CPC
;
93 num_ways
= CPC_CFG0_NUM_WAYS(cfg0
);
94 line_size
= CPC_CFG0_LINE_SZ(cfg0
);
95 num_sets
= size
/ (line_size
* num_ways
);
97 fdt_setprop(blob
, off
, "cache-unified", NULL
, 0);
98 fdt_setprop_cell(blob
, off
, "cache-block-size", line_size
);
99 fdt_setprop_cell(blob
, off
, "cache-size", size
);
100 fdt_setprop_cell(blob
, off
, "cache-sets", num_sets
);
101 fdt_setprop_cell(blob
, off
, "cache-level", 3);
102 #ifdef CONFIG_SYS_CACHE_STASHING
103 fdt_setprop_cell(blob
, off
, "cache-stash-id", 1);
107 #define ft_fixup_l3cache(x, y)
110 #if defined(CONFIG_L2_CACHE)
111 /* return size in kilobytes */
112 static inline u32
l2cache_size(void)
114 volatile ccsr_l2cache_t
*l2cache
= (void *)CONFIG_SYS_MPC85xx_L2_ADDR
;
115 volatile u32 l2siz_field
= (l2cache
->l2ctl
>> 28) & 0x3;
116 u32 ver
= SVR_SOC_VER(get_svr());
118 switch (l2siz_field
) {
122 if (ver
== SVR_8540
|| ver
== SVR_8560
||
123 ver
== SVR_8541
|| ver
== SVR_8541_E
||
124 ver
== SVR_8555
|| ver
== SVR_8555_E
)
130 if (ver
== SVR_8540
|| ver
== SVR_8560
||
131 ver
== SVR_8541
|| ver
== SVR_8541_E
||
132 ver
== SVR_8555
|| ver
== SVR_8555_E
)
145 static inline void ft_fixup_l2cache(void *blob
)
149 struct cpu_type
*cpu
= identify_cpu(SVR_SOC_VER(get_svr()));
152 const u32 line_size
= 32;
153 const u32 num_ways
= 8;
154 const u32 size
= l2cache_size() * 1024;
155 const u32 num_sets
= size
/ (line_size
* num_ways
);
157 off
= fdt_node_offset_by_prop_value(blob
, -1, "device_type", "cpu", 4);
159 debug("no cpu node fount\n");
163 ph
= (u32
*)fdt_getprop(blob
, off
, "next-level-cache", 0);
166 debug("no next-level-cache property\n");
170 off
= fdt_node_offset_by_phandle(blob
, *ph
);
172 printf("%s: %s\n", __func__
, fdt_strerror(off
));
177 if (isdigit(cpu
->name
[0]))
178 len
= sprintf(compat_buf
,
179 "fsl,mpc%s-l2-cache-controller", cpu
->name
);
181 len
= sprintf(compat_buf
,
182 "fsl,%c%s-l2-cache-controller",
183 tolower(cpu
->name
[0]), cpu
->name
+ 1);
185 sprintf(&compat_buf
[len
+ 1], "cache");
187 fdt_setprop(blob
, off
, "cache-unified", NULL
, 0);
188 fdt_setprop_cell(blob
, off
, "cache-block-size", line_size
);
189 fdt_setprop_cell(blob
, off
, "cache-size", size
);
190 fdt_setprop_cell(blob
, off
, "cache-sets", num_sets
);
191 fdt_setprop_cell(blob
, off
, "cache-level", 2);
192 fdt_setprop(blob
, off
, "compatible", compat_buf
, sizeof(compat_buf
));
194 /* we dont bother w/L3 since no platform of this type has one */
196 #elif defined(CONFIG_BACKSIDE_L2_CACHE)
197 static inline void ft_fixup_l2cache(void *blob
)
199 int off
, l2_off
, l3_off
= -1;
201 u32 l2cfg0
= mfspr(SPRN_L2CFG0
);
202 u32 size
, line_size
, num_ways
, num_sets
;
204 size
= (l2cfg0
& 0x3fff) * 64 * 1024;
205 num_ways
= ((l2cfg0
>> 14) & 0x1f) + 1;
206 line_size
= (((l2cfg0
>> 23) & 0x3) + 1) * 32;
207 num_sets
= size
/ (line_size
* num_ways
);
209 off
= fdt_node_offset_by_prop_value(blob
, -1, "device_type", "cpu", 4);
211 while (off
!= -FDT_ERR_NOTFOUND
) {
212 ph
= (u32
*)fdt_getprop(blob
, off
, "next-level-cache", 0);
215 debug("no next-level-cache property\n");
219 l2_off
= fdt_node_offset_by_phandle(blob
, *ph
);
221 printf("%s: %s\n", __func__
, fdt_strerror(off
));
225 #ifdef CONFIG_SYS_CACHE_STASHING
227 u32
*reg
= (u32
*)fdt_getprop(blob
, off
, "reg", 0);
229 fdt_setprop_cell(blob
, l2_off
, "cache-stash-id",
230 (*reg
* 2) + 32 + 1);
234 fdt_setprop(blob
, l2_off
, "cache-unified", NULL
, 0);
235 fdt_setprop_cell(blob
, l2_off
, "cache-block-size", line_size
);
236 fdt_setprop_cell(blob
, l2_off
, "cache-size", size
);
237 fdt_setprop_cell(blob
, l2_off
, "cache-sets", num_sets
);
238 fdt_setprop_cell(blob
, l2_off
, "cache-level", 2);
239 fdt_setprop(blob
, l2_off
, "compatible", "cache", 6);
242 ph
= (u32
*)fdt_getprop(blob
, l2_off
, "next-level-cache", 0);
245 debug("no next-level-cache property\n");
251 off
= fdt_node_offset_by_prop_value(blob
, off
,
252 "device_type", "cpu", 4);
255 l3_off
= fdt_node_offset_by_phandle(blob
, l3_off
);
257 printf("%s: %s\n", __func__
, fdt_strerror(off
));
260 ft_fixup_l3cache(blob
, l3_off
);
264 #define ft_fixup_l2cache(x)
267 static inline void ft_fixup_cache(void *blob
)
271 off
= fdt_node_offset_by_prop_value(blob
, -1, "device_type", "cpu", 4);
273 while (off
!= -FDT_ERR_NOTFOUND
) {
274 u32 l1cfg0
= mfspr(SPRN_L1CFG0
);
275 u32 l1cfg1
= mfspr(SPRN_L1CFG1
);
276 u32 isize
, iline_size
, inum_sets
, inum_ways
;
277 u32 dsize
, dline_size
, dnum_sets
, dnum_ways
;
280 dsize
= (l1cfg0
& 0x7ff) * 1024;
281 dnum_ways
= ((l1cfg0
>> 11) & 0xff) + 1;
282 dline_size
= (((l1cfg0
>> 23) & 0x3) + 1) * 32;
283 dnum_sets
= dsize
/ (dline_size
* dnum_ways
);
285 fdt_setprop_cell(blob
, off
, "d-cache-block-size", dline_size
);
286 fdt_setprop_cell(blob
, off
, "d-cache-size", dsize
);
287 fdt_setprop_cell(blob
, off
, "d-cache-sets", dnum_sets
);
289 #ifdef CONFIG_SYS_CACHE_STASHING
291 u32
*reg
= (u32
*)fdt_getprop(blob
, off
, "reg", 0);
293 fdt_setprop_cell(blob
, off
, "cache-stash-id",
294 (*reg
* 2) + 32 + 0);
299 isize
= (l1cfg1
& 0x7ff) * 1024;
300 inum_ways
= ((l1cfg1
>> 11) & 0xff) + 1;
301 iline_size
= (((l1cfg1
>> 23) & 0x3) + 1) * 32;
302 inum_sets
= isize
/ (iline_size
* inum_ways
);
304 fdt_setprop_cell(blob
, off
, "i-cache-block-size", iline_size
);
305 fdt_setprop_cell(blob
, off
, "i-cache-size", isize
);
306 fdt_setprop_cell(blob
, off
, "i-cache-sets", inum_sets
);
308 off
= fdt_node_offset_by_prop_value(blob
, off
,
309 "device_type", "cpu", 4);
312 ft_fixup_l2cache(blob
);
316 void fdt_add_enet_stashing(void *fdt
)
318 do_fixup_by_compat(fdt
, "gianfar", "bd-stash", NULL
, 0, 1);
320 do_fixup_by_compat_u32(fdt
, "gianfar", "rx-stash-len", 96, 1);
322 do_fixup_by_compat_u32(fdt
, "gianfar", "rx-stash-idx", 0, 1);
325 #if defined(CONFIG_SYS_DPAA_FMAN) || defined(CONFIG_SYS_DPAA_PME)
326 static void ft_fixup_clks(void *blob
, const char *compat
, u32 offset
,
329 phys_addr_t phys
= offset
+ CONFIG_SYS_CCSRBAR_PHYS
;
330 int off
= fdt_node_offset_by_compat_reg(blob
, compat
, phys
);
333 off
= fdt_setprop_cell(blob
, off
, "clock-frequency", freq
);
335 printf("WARNING enable to set clock-frequency "
336 "for %s: %s\n", compat
, fdt_strerror(off
));
340 static void ft_fixup_dpaa_clks(void *blob
)
344 get_sys_info(&sysinfo
);
345 ft_fixup_clks(blob
, "fsl,fman", CONFIG_SYS_FSL_FM1_OFFSET
,
346 sysinfo
.freqFMan
[0]);
348 #if (CONFIG_SYS_NUM_FMAN == 2)
349 ft_fixup_clks(blob
, "fsl,fman", CONFIG_SYS_FSL_FM2_OFFSET
,
350 sysinfo
.freqFMan
[1]);
353 #ifdef CONFIG_SYS_DPAA_PME
354 do_fixup_by_compat_u32(blob
, "fsl,pme",
355 "clock-frequency", sysinfo
.freqPME
, 1);
359 #define ft_fixup_dpaa_clks(x)
363 static void ft_fixup_qe_snum(void *blob
)
367 svr
= mfspr(SPRN_SVR
);
368 if (SVR_SOC_VER(svr
) == SVR_8569_E
) {
369 if(IS_SVR_REV(svr
, 1, 0))
370 do_fixup_by_compat_u32(blob
, "fsl,qe",
371 "fsl,qe-num-snums", 46, 1);
373 do_fixup_by_compat_u32(blob
, "fsl,qe",
374 "fsl,qe-num-snums", 76, 1);
379 void ft_cpu_setup(void *blob
, bd_t
*bd
)
385 /* delete crypto node if not on an E-processor */
386 if (!IS_E_PROCESSOR(get_svr()))
387 fdt_fixup_crypto_node(blob
, 0);
389 fdt_fixup_ethernet(blob
);
391 fdt_add_enet_stashing(blob
);
393 do_fixup_by_prop_u32(blob
, "device_type", "cpu", 4,
394 "timebase-frequency", get_tbclk(), 1);
395 do_fixup_by_prop_u32(blob
, "device_type", "cpu", 4,
396 "bus-frequency", bd
->bi_busfreq
, 1);
397 get_sys_info(&sysinfo
);
398 off
= fdt_node_offset_by_prop_value(blob
, -1, "device_type", "cpu", 4);
399 while (off
!= -FDT_ERR_NOTFOUND
) {
400 u32
*reg
= (u32
*)fdt_getprop(blob
, off
, "reg", 0);
401 val
= cpu_to_fdt32(sysinfo
.freqProcessor
[*reg
]);
402 fdt_setprop(blob
, off
, "clock-frequency", &val
, 4);
403 off
= fdt_node_offset_by_prop_value(blob
, off
, "device_type",
406 do_fixup_by_prop_u32(blob
, "device_type", "soc", 4,
407 "bus-frequency", bd
->bi_busfreq
, 1);
409 do_fixup_by_compat_u32(blob
, "fsl,pq3-localbus",
410 "bus-frequency", gd
->lbc_clk
, 1);
411 do_fixup_by_compat_u32(blob
, "fsl,elbc",
412 "bus-frequency", gd
->lbc_clk
, 1);
415 ft_fixup_qe_snum(blob
);
418 #ifdef CONFIG_SYS_NS16550
419 do_fixup_by_compat_u32(blob
, "ns16550",
420 "clock-frequency", CONFIG_SYS_NS16550_CLK
, 1);
424 do_fixup_by_compat_u32(blob
, "fsl,cpm2-scc-uart",
425 "current-speed", bd
->bi_baudrate
, 1);
427 do_fixup_by_compat_u32(blob
, "fsl,cpm2-brg",
428 "clock-frequency", bd
->bi_brgfreq
, 1);
431 #ifdef CONFIG_FSL_CORENET
432 do_fixup_by_compat_u32(blob
, "fsl,qoriq-clockgen-1.0",
433 "clock-frequency", CONFIG_SYS_CLK_FREQ
, 1);
436 fdt_fixup_memory(blob
, (u64
)bd
->bi_memstart
, (u64
)bd
->bi_memsize
);
439 ft_fixup_cpu(blob
, (u64
)bd
->bi_memstart
+ (u64
)bd
->bi_memsize
);
440 ft_fixup_num_cores(blob
);
443 ft_fixup_cache(blob
);
445 #if defined(CONFIG_FSL_ESDHC)
446 fdt_fixup_esdhc(blob
, bd
);
449 ft_fixup_dpaa_clks(blob
);
451 #if defined(CONFIG_SYS_BMAN_MEM_PHYS)
452 fdt_portal(blob
, "fsl,bman-portal", "bman-portals",
453 (u64
)CONFIG_SYS_BMAN_MEM_PHYS
,
454 CONFIG_SYS_BMAN_MEM_SIZE
);
457 #if defined(CONFIG_SYS_QMAN_MEM_PHYS)
458 fdt_portal(blob
, "fsl,qman-portal", "qman-portals",
459 (u64
)CONFIG_SYS_QMAN_MEM_PHYS
,
460 CONFIG_SYS_QMAN_MEM_SIZE
);
462 fdt_fixup_qportals(blob
);