armv8: ls1028a: Add NXP LS1028A SoC support
[oweals/u-boot.git] / arch / arm / cpu / armv8 / fsl-layerscape / cpu.c
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2017 NXP
4  * Copyright 2014-2015 Freescale Semiconductor, Inc.
5  */
6
7 #include <common.h>
8 #include <fsl_ddr_sdram.h>
9 #include <asm/io.h>
10 #include <linux/errno.h>
11 #include <asm/system.h>
12 #include <fm_eth.h>
13 #include <asm/armv8/mmu.h>
14 #include <asm/io.h>
15 #include <asm/arch/fsl_serdes.h>
16 #include <asm/arch/soc.h>
17 #include <asm/arch/cpu.h>
18 #include <asm/arch/speed.h>
19 #include <fsl_immap.h>
20 #include <asm/arch/mp.h>
21 #include <efi_loader.h>
22 #include <fsl-mc/fsl_mc.h>
23 #ifdef CONFIG_FSL_ESDHC
24 #include <fsl_esdhc.h>
25 #endif
26 #include <asm/armv8/sec_firmware.h>
27 #ifdef CONFIG_SYS_FSL_DDR
28 #include <fsl_ddr.h>
29 #endif
30 #include <asm/arch/clock.h>
31 #include <hwconfig.h>
32 #include <fsl_qbman.h>
33
34 #ifdef CONFIG_TFABOOT
35 #include <environment.h>
36 #ifdef CONFIG_CHAIN_OF_TRUST
37 #include <fsl_validate.h>
38 #endif
39 #endif
40
41 DECLARE_GLOBAL_DATA_PTR;
42
43 static struct cpu_type cpu_type_list[] = {
44         CPU_TYPE_ENTRY(LS2080A, LS2080A, 8),
45         CPU_TYPE_ENTRY(LS2085A, LS2085A, 8),
46         CPU_TYPE_ENTRY(LS2045A, LS2045A, 4),
47         CPU_TYPE_ENTRY(LS2088A, LS2088A, 8),
48         CPU_TYPE_ENTRY(LS2084A, LS2084A, 8),
49         CPU_TYPE_ENTRY(LS2048A, LS2048A, 4),
50         CPU_TYPE_ENTRY(LS2044A, LS2044A, 4),
51         CPU_TYPE_ENTRY(LS2081A, LS2081A, 8),
52         CPU_TYPE_ENTRY(LS2041A, LS2041A, 4),
53         CPU_TYPE_ENTRY(LS1043A, LS1043A, 4),
54         CPU_TYPE_ENTRY(LS1043A, LS1043A_P23, 4),
55         CPU_TYPE_ENTRY(LS1023A, LS1023A, 2),
56         CPU_TYPE_ENTRY(LS1023A, LS1023A_P23, 2),
57         CPU_TYPE_ENTRY(LS1046A, LS1046A, 4),
58         CPU_TYPE_ENTRY(LS1026A, LS1026A, 2),
59         CPU_TYPE_ENTRY(LS2040A, LS2040A, 4),
60         CPU_TYPE_ENTRY(LS1012A, LS1012A, 1),
61         CPU_TYPE_ENTRY(LS1028A, LS1028A, 2),
62         CPU_TYPE_ENTRY(LS1088A, LS1088A, 8),
63         CPU_TYPE_ENTRY(LS1084A, LS1084A, 8),
64         CPU_TYPE_ENTRY(LS1048A, LS1048A, 4),
65         CPU_TYPE_ENTRY(LS1044A, LS1044A, 4),
66         CPU_TYPE_ENTRY(LX2160A, LX2160A, 16),
67         CPU_TYPE_ENTRY(LX2120A, LX2120A, 12),
68         CPU_TYPE_ENTRY(LX2080A, LX2080A, 8),
69 };
70
71 #define EARLY_PGTABLE_SIZE 0x5000
72 static struct mm_region early_map[] = {
73 #ifdef CONFIG_FSL_LSCH3
74         { CONFIG_SYS_FSL_CCSR_BASE, CONFIG_SYS_FSL_CCSR_BASE,
75           CONFIG_SYS_FSL_CCSR_SIZE,
76           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
77           PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
78         },
79         { CONFIG_SYS_FSL_OCRAM_BASE, CONFIG_SYS_FSL_OCRAM_BASE,
80           SYS_FSL_OCRAM_SPACE_SIZE,
81           PTE_BLOCK_MEMTYPE(MT_NORMAL) | PTE_BLOCK_NON_SHARE
82         },
83         { CONFIG_SYS_FSL_QSPI_BASE1, CONFIG_SYS_FSL_QSPI_BASE1,
84           CONFIG_SYS_FSL_QSPI_SIZE1,
85           PTE_BLOCK_MEMTYPE(MT_NORMAL) | PTE_BLOCK_NON_SHARE},
86 #ifdef CONFIG_FSL_IFC
87         /* For IFC Region #1, only the first 4MB is cache-enabled */
88         { CONFIG_SYS_FSL_IFC_BASE1, CONFIG_SYS_FSL_IFC_BASE1,
89           CONFIG_SYS_FSL_IFC_SIZE1_1,
90           PTE_BLOCK_MEMTYPE(MT_NORMAL) | PTE_BLOCK_NON_SHARE
91         },
92         { CONFIG_SYS_FSL_IFC_BASE1 + CONFIG_SYS_FSL_IFC_SIZE1_1,
93           CONFIG_SYS_FSL_IFC_BASE1 + CONFIG_SYS_FSL_IFC_SIZE1_1,
94           CONFIG_SYS_FSL_IFC_SIZE1 - CONFIG_SYS_FSL_IFC_SIZE1_1,
95           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | PTE_BLOCK_NON_SHARE
96         },
97         { CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FSL_IFC_BASE1,
98           CONFIG_SYS_FSL_IFC_SIZE1,
99           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | PTE_BLOCK_NON_SHARE
100         },
101 #endif
102         { CONFIG_SYS_FSL_DRAM_BASE1, CONFIG_SYS_FSL_DRAM_BASE1,
103           CONFIG_SYS_FSL_DRAM_SIZE1,
104 #if defined(CONFIG_TFABOOT) || \
105         (defined(CONFIG_SPL) && !defined(CONFIG_SPL_BUILD))
106           PTE_BLOCK_MEMTYPE(MT_NORMAL) |
107 #else   /* Start with nGnRnE and PXN and UXN to prevent speculative access */
108           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | PTE_BLOCK_PXN | PTE_BLOCK_UXN |
109 #endif
110           PTE_BLOCK_OUTER_SHARE | PTE_BLOCK_NS
111         },
112 #ifdef CONFIG_FSL_IFC
113         /* Map IFC region #2 up to CONFIG_SYS_FLASH_BASE for NAND boot */
114         { CONFIG_SYS_FSL_IFC_BASE2, CONFIG_SYS_FSL_IFC_BASE2,
115           CONFIG_SYS_FLASH_BASE - CONFIG_SYS_FSL_IFC_BASE2,
116           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | PTE_BLOCK_NON_SHARE
117         },
118 #endif
119         { CONFIG_SYS_FSL_DCSR_BASE, CONFIG_SYS_FSL_DCSR_BASE,
120           CONFIG_SYS_FSL_DCSR_SIZE,
121           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
122           PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
123         },
124         { CONFIG_SYS_FSL_DRAM_BASE2, CONFIG_SYS_FSL_DRAM_BASE2,
125           CONFIG_SYS_FSL_DRAM_SIZE2,
126           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | PTE_BLOCK_PXN | PTE_BLOCK_UXN |
127           PTE_BLOCK_OUTER_SHARE | PTE_BLOCK_NS
128         },
129 #ifdef CONFIG_SYS_FSL_DRAM_BASE3
130         { CONFIG_SYS_FSL_DRAM_BASE3, CONFIG_SYS_FSL_DRAM_BASE3,
131           CONFIG_SYS_FSL_DRAM_SIZE3,
132           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | PTE_BLOCK_PXN | PTE_BLOCK_UXN |
133           PTE_BLOCK_OUTER_SHARE | PTE_BLOCK_NS
134         },
135 #endif
136 #elif defined(CONFIG_FSL_LSCH2)
137         { CONFIG_SYS_FSL_CCSR_BASE, CONFIG_SYS_FSL_CCSR_BASE,
138           CONFIG_SYS_FSL_CCSR_SIZE,
139           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
140           PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
141         },
142         { CONFIG_SYS_FSL_OCRAM_BASE, CONFIG_SYS_FSL_OCRAM_BASE,
143           SYS_FSL_OCRAM_SPACE_SIZE,
144           PTE_BLOCK_MEMTYPE(MT_NORMAL) | PTE_BLOCK_NON_SHARE
145         },
146         { CONFIG_SYS_FSL_DCSR_BASE, CONFIG_SYS_FSL_DCSR_BASE,
147           CONFIG_SYS_FSL_DCSR_SIZE,
148           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
149           PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
150         },
151         { CONFIG_SYS_FSL_QSPI_BASE, CONFIG_SYS_FSL_QSPI_BASE,
152           CONFIG_SYS_FSL_QSPI_SIZE,
153           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | PTE_BLOCK_NON_SHARE
154         },
155 #ifdef CONFIG_FSL_IFC
156         { CONFIG_SYS_FSL_IFC_BASE, CONFIG_SYS_FSL_IFC_BASE,
157           CONFIG_SYS_FSL_IFC_SIZE,
158           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | PTE_BLOCK_NON_SHARE
159         },
160 #endif
161         { CONFIG_SYS_FSL_DRAM_BASE1, CONFIG_SYS_FSL_DRAM_BASE1,
162           CONFIG_SYS_FSL_DRAM_SIZE1,
163 #if defined(CONFIG_TFABOOT) || \
164         (defined(CONFIG_SPL) && !defined(CONFIG_SPL_BUILD))
165           PTE_BLOCK_MEMTYPE(MT_NORMAL) |
166 #else   /* Start with nGnRnE and PXN and UXN to prevent speculative access */
167           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | PTE_BLOCK_PXN | PTE_BLOCK_UXN |
168 #endif
169           PTE_BLOCK_OUTER_SHARE | PTE_BLOCK_NS
170         },
171         { CONFIG_SYS_FSL_DRAM_BASE2, CONFIG_SYS_FSL_DRAM_BASE2,
172           CONFIG_SYS_FSL_DRAM_SIZE2,
173           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | PTE_BLOCK_PXN | PTE_BLOCK_UXN |
174           PTE_BLOCK_OUTER_SHARE | PTE_BLOCK_NS
175         },
176 #endif
177         {},     /* list terminator */
178 };
179
180 static struct mm_region final_map[] = {
181 #ifdef CONFIG_FSL_LSCH3
182         { CONFIG_SYS_FSL_CCSR_BASE, CONFIG_SYS_FSL_CCSR_BASE,
183           CONFIG_SYS_FSL_CCSR_SIZE,
184           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
185           PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
186         },
187         { CONFIG_SYS_FSL_OCRAM_BASE, CONFIG_SYS_FSL_OCRAM_BASE,
188           SYS_FSL_OCRAM_SPACE_SIZE,
189           PTE_BLOCK_MEMTYPE(MT_NORMAL) | PTE_BLOCK_NON_SHARE
190         },
191         { CONFIG_SYS_FSL_DRAM_BASE1, CONFIG_SYS_FSL_DRAM_BASE1,
192           CONFIG_SYS_FSL_DRAM_SIZE1,
193           PTE_BLOCK_MEMTYPE(MT_NORMAL) |
194           PTE_BLOCK_OUTER_SHARE | PTE_BLOCK_NS
195         },
196         { CONFIG_SYS_FSL_QSPI_BASE1, CONFIG_SYS_FSL_QSPI_BASE1,
197           CONFIG_SYS_FSL_QSPI_SIZE1,
198           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
199           PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
200         },
201         { CONFIG_SYS_FSL_QSPI_BASE2, CONFIG_SYS_FSL_QSPI_BASE2,
202           CONFIG_SYS_FSL_QSPI_SIZE2,
203           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
204           PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
205         },
206 #ifdef CONFIG_FSL_IFC
207         { CONFIG_SYS_FSL_IFC_BASE2, CONFIG_SYS_FSL_IFC_BASE2,
208           CONFIG_SYS_FSL_IFC_SIZE2,
209           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
210           PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
211         },
212 #endif
213         { CONFIG_SYS_FSL_DCSR_BASE, CONFIG_SYS_FSL_DCSR_BASE,
214           CONFIG_SYS_FSL_DCSR_SIZE,
215           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
216           PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
217         },
218         { CONFIG_SYS_FSL_MC_BASE, CONFIG_SYS_FSL_MC_BASE,
219           CONFIG_SYS_FSL_MC_SIZE,
220           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
221           PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
222         },
223         { CONFIG_SYS_FSL_NI_BASE, CONFIG_SYS_FSL_NI_BASE,
224           CONFIG_SYS_FSL_NI_SIZE,
225           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
226           PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
227         },
228         /* For QBMAN portal, only the first 64MB is cache-enabled */
229         { CONFIG_SYS_FSL_QBMAN_BASE, CONFIG_SYS_FSL_QBMAN_BASE,
230           CONFIG_SYS_FSL_QBMAN_SIZE_1,
231           PTE_BLOCK_MEMTYPE(MT_NORMAL) |
232           PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN | PTE_BLOCK_NS
233         },
234         { CONFIG_SYS_FSL_QBMAN_BASE + CONFIG_SYS_FSL_QBMAN_SIZE_1,
235           CONFIG_SYS_FSL_QBMAN_BASE + CONFIG_SYS_FSL_QBMAN_SIZE_1,
236           CONFIG_SYS_FSL_QBMAN_SIZE - CONFIG_SYS_FSL_QBMAN_SIZE_1,
237           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
238           PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
239         },
240         { CONFIG_SYS_PCIE1_PHYS_ADDR, CONFIG_SYS_PCIE1_PHYS_ADDR,
241           CONFIG_SYS_PCIE1_PHYS_SIZE,
242           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
243           PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
244         },
245         { CONFIG_SYS_PCIE2_PHYS_ADDR, CONFIG_SYS_PCIE2_PHYS_ADDR,
246           CONFIG_SYS_PCIE2_PHYS_SIZE,
247           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
248           PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
249         },
250 #ifdef CONFIG_SYS_PCIE3_PHYS_ADDR
251         { CONFIG_SYS_PCIE3_PHYS_ADDR, CONFIG_SYS_PCIE3_PHYS_ADDR,
252           CONFIG_SYS_PCIE3_PHYS_SIZE,
253           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
254           PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
255         },
256 #endif
257 #ifdef CONFIG_SYS_PCIE4_PHYS_ADDR
258         { CONFIG_SYS_PCIE4_PHYS_ADDR, CONFIG_SYS_PCIE4_PHYS_ADDR,
259           CONFIG_SYS_PCIE4_PHYS_SIZE,
260           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
261           PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
262         },
263 #endif
264 #ifdef SYS_PCIE5_PHYS_ADDR
265         { SYS_PCIE5_PHYS_ADDR, SYS_PCIE5_PHYS_ADDR,
266           SYS_PCIE5_PHYS_SIZE,
267           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
268           PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
269         },
270 #endif
271 #ifdef SYS_PCIE6_PHYS_ADDR
272         { SYS_PCIE6_PHYS_ADDR, SYS_PCIE6_PHYS_ADDR,
273           SYS_PCIE6_PHYS_SIZE,
274           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
275           PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
276         },
277 #endif
278         { CONFIG_SYS_FSL_WRIOP1_BASE, CONFIG_SYS_FSL_WRIOP1_BASE,
279           CONFIG_SYS_FSL_WRIOP1_SIZE,
280           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
281           PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
282         },
283         { CONFIG_SYS_FSL_AIOP1_BASE, CONFIG_SYS_FSL_AIOP1_BASE,
284           CONFIG_SYS_FSL_AIOP1_SIZE,
285           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
286           PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
287         },
288         { CONFIG_SYS_FSL_PEBUF_BASE, CONFIG_SYS_FSL_PEBUF_BASE,
289           CONFIG_SYS_FSL_PEBUF_SIZE,
290           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
291           PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
292         },
293         { CONFIG_SYS_FSL_DRAM_BASE2, CONFIG_SYS_FSL_DRAM_BASE2,
294           CONFIG_SYS_FSL_DRAM_SIZE2,
295           PTE_BLOCK_MEMTYPE(MT_NORMAL) |
296           PTE_BLOCK_OUTER_SHARE | PTE_BLOCK_NS
297         },
298 #ifdef CONFIG_SYS_FSL_DRAM_BASE3
299         { CONFIG_SYS_FSL_DRAM_BASE3, CONFIG_SYS_FSL_DRAM_BASE3,
300           CONFIG_SYS_FSL_DRAM_SIZE3,
301           PTE_BLOCK_MEMTYPE(MT_NORMAL) |
302           PTE_BLOCK_OUTER_SHARE | PTE_BLOCK_NS
303         },
304 #endif
305 #elif defined(CONFIG_FSL_LSCH2)
306         { CONFIG_SYS_FSL_BOOTROM_BASE, CONFIG_SYS_FSL_BOOTROM_BASE,
307           CONFIG_SYS_FSL_BOOTROM_SIZE,
308           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
309           PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
310         },
311         { CONFIG_SYS_FSL_CCSR_BASE, CONFIG_SYS_FSL_CCSR_BASE,
312           CONFIG_SYS_FSL_CCSR_SIZE,
313           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
314           PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
315         },
316         { CONFIG_SYS_FSL_OCRAM_BASE, CONFIG_SYS_FSL_OCRAM_BASE,
317           SYS_FSL_OCRAM_SPACE_SIZE,
318           PTE_BLOCK_MEMTYPE(MT_NORMAL) | PTE_BLOCK_NON_SHARE
319         },
320         { CONFIG_SYS_FSL_DCSR_BASE, CONFIG_SYS_FSL_DCSR_BASE,
321           CONFIG_SYS_FSL_DCSR_SIZE,
322           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
323           PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
324         },
325         { CONFIG_SYS_FSL_QSPI_BASE, CONFIG_SYS_FSL_QSPI_BASE,
326           CONFIG_SYS_FSL_QSPI_SIZE,
327           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
328           PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
329         },
330 #ifdef CONFIG_FSL_IFC
331         { CONFIG_SYS_FSL_IFC_BASE, CONFIG_SYS_FSL_IFC_BASE,
332           CONFIG_SYS_FSL_IFC_SIZE,
333           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | PTE_BLOCK_NON_SHARE
334         },
335 #endif
336         { CONFIG_SYS_FSL_DRAM_BASE1, CONFIG_SYS_FSL_DRAM_BASE1,
337           CONFIG_SYS_FSL_DRAM_SIZE1,
338           PTE_BLOCK_MEMTYPE(MT_NORMAL) |
339           PTE_BLOCK_OUTER_SHARE | PTE_BLOCK_NS
340         },
341         { CONFIG_SYS_FSL_QBMAN_BASE, CONFIG_SYS_FSL_QBMAN_BASE,
342           CONFIG_SYS_FSL_QBMAN_SIZE,
343           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
344           PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
345         },
346         { CONFIG_SYS_FSL_DRAM_BASE2, CONFIG_SYS_FSL_DRAM_BASE2,
347           CONFIG_SYS_FSL_DRAM_SIZE2,
348           PTE_BLOCK_MEMTYPE(MT_NORMAL) |
349           PTE_BLOCK_OUTER_SHARE | PTE_BLOCK_NS
350         },
351         { CONFIG_SYS_PCIE1_PHYS_ADDR, CONFIG_SYS_PCIE1_PHYS_ADDR,
352           CONFIG_SYS_PCIE1_PHYS_SIZE,
353           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
354           PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
355         },
356         { CONFIG_SYS_PCIE2_PHYS_ADDR, CONFIG_SYS_PCIE2_PHYS_ADDR,
357           CONFIG_SYS_PCIE2_PHYS_SIZE,
358           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
359           PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
360         },
361 #ifdef CONFIG_SYS_PCIE3_PHYS_ADDR
362         { CONFIG_SYS_PCIE3_PHYS_ADDR, CONFIG_SYS_PCIE3_PHYS_ADDR,
363           CONFIG_SYS_PCIE3_PHYS_SIZE,
364           PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
365           PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN
366         },
367 #endif
368         { CONFIG_SYS_FSL_DRAM_BASE3, CONFIG_SYS_FSL_DRAM_BASE3,
369           CONFIG_SYS_FSL_DRAM_SIZE3,
370           PTE_BLOCK_MEMTYPE(MT_NORMAL) |
371           PTE_BLOCK_OUTER_SHARE | PTE_BLOCK_NS
372         },
373 #endif
374 #ifdef CONFIG_SYS_MEM_RESERVE_SECURE
375         {},     /* space holder for secure mem */
376 #endif
377         {},
378 };
379
380 struct mm_region *mem_map = early_map;
381
382 void cpu_name(char *name)
383 {
384         struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
385         unsigned int i, svr, ver;
386
387         svr = gur_in32(&gur->svr);
388         ver = SVR_SOC_VER(svr);
389
390         for (i = 0; i < ARRAY_SIZE(cpu_type_list); i++)
391                 if ((cpu_type_list[i].soc_ver & SVR_WO_E) == ver) {
392                         strcpy(name, cpu_type_list[i].name);
393 #ifdef CONFIG_ARCH_LX2160A
394                         if (IS_C_PROCESSOR(svr))
395                                 strcat(name, "C");
396 #endif
397
398                         if (IS_E_PROCESSOR(svr))
399                                 strcat(name, "E");
400
401                         sprintf(name + strlen(name), " Rev%d.%d",
402                                 SVR_MAJ(svr), SVR_MIN(svr));
403                         break;
404                 }
405
406         if (i == ARRAY_SIZE(cpu_type_list))
407                 strcpy(name, "unknown");
408 }
409
410 #if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF)
411 /*
412  * To start MMU before DDR is available, we create MMU table in SRAM.
413  * The base address of SRAM is CONFIG_SYS_FSL_OCRAM_BASE. We use three
414  * levels of translation tables here to cover 40-bit address space.
415  * We use 4KB granule size, with 40 bits physical address, T0SZ=24
416  * Address above EARLY_PGTABLE_SIZE (0x5000) is free for other purpose.
417  * Note, the debug print in cache_v8.c is not usable for debugging
418  * these early MMU tables because UART is not yet available.
419  */
420 static inline void early_mmu_setup(void)
421 {
422         unsigned int el = current_el();
423
424         /* global data is already setup, no allocation yet */
425         if (el == 3)
426                 gd->arch.tlb_addr = CONFIG_SYS_FSL_OCRAM_BASE;
427         else
428                 gd->arch.tlb_addr = CONFIG_SYS_DDR_SDRAM_BASE;
429         gd->arch.tlb_fillptr = gd->arch.tlb_addr;
430         gd->arch.tlb_size = EARLY_PGTABLE_SIZE;
431
432         /* Create early page tables */
433         setup_pgtables();
434
435         /* point TTBR to the new table */
436         set_ttbr_tcr_mair(el, gd->arch.tlb_addr,
437                           get_tcr(el, NULL, NULL) &
438                           ~(TCR_ORGN_MASK | TCR_IRGN_MASK),
439                           MEMORY_ATTRIBUTES);
440
441         set_sctlr(get_sctlr() | CR_M);
442 }
443
444 static void fix_pcie_mmu_map(void)
445 {
446 #ifdef CONFIG_ARCH_LS2080A
447         unsigned int i;
448         u32 svr, ver;
449         struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
450
451         svr = gur_in32(&gur->svr);
452         ver = SVR_SOC_VER(svr);
453
454         /* Fix PCIE base and size for LS2088A */
455         if ((ver == SVR_LS2088A) || (ver == SVR_LS2084A) ||
456             (ver == SVR_LS2048A) || (ver == SVR_LS2044A) ||
457             (ver == SVR_LS2081A) || (ver == SVR_LS2041A)) {
458                 for (i = 0; i < ARRAY_SIZE(final_map); i++) {
459                         switch (final_map[i].phys) {
460                         case CONFIG_SYS_PCIE1_PHYS_ADDR:
461                                 final_map[i].phys = 0x2000000000ULL;
462                                 final_map[i].virt = 0x2000000000ULL;
463                                 final_map[i].size = 0x800000000ULL;
464                                 break;
465                         case CONFIG_SYS_PCIE2_PHYS_ADDR:
466                                 final_map[i].phys = 0x2800000000ULL;
467                                 final_map[i].virt = 0x2800000000ULL;
468                                 final_map[i].size = 0x800000000ULL;
469                                 break;
470 #ifdef CONFIG_SYS_PCIE3_PHYS_ADDR
471                         case CONFIG_SYS_PCIE3_PHYS_ADDR:
472                                 final_map[i].phys = 0x3000000000ULL;
473                                 final_map[i].virt = 0x3000000000ULL;
474                                 final_map[i].size = 0x800000000ULL;
475                                 break;
476 #endif
477 #ifdef CONFIG_SYS_PCIE4_PHYS_ADDR
478                         case CONFIG_SYS_PCIE4_PHYS_ADDR:
479                                 final_map[i].phys = 0x3800000000ULL;
480                                 final_map[i].virt = 0x3800000000ULL;
481                                 final_map[i].size = 0x800000000ULL;
482                                 break;
483 #endif
484                         default:
485                                 break;
486                         }
487                 }
488         }
489 #endif
490 }
491
492 /*
493  * The final tables look similar to early tables, but different in detail.
494  * These tables are in DRAM. Sub tables are added to enable cache for
495  * QBMan and OCRAM.
496  *
497  * Put the MMU table in secure memory if gd->arch.secure_ram is valid.
498  * OCRAM will be not used for this purpose so gd->arch.secure_ram can't be 0.
499  */
500 static inline void final_mmu_setup(void)
501 {
502         u64 tlb_addr_save = gd->arch.tlb_addr;
503         unsigned int el = current_el();
504         int index;
505
506         /* fix the final_map before filling in the block entries */
507         fix_pcie_mmu_map();
508
509         mem_map = final_map;
510
511         /* Update mapping for DDR to actual size */
512         for (index = 0; index < ARRAY_SIZE(final_map) - 2; index++) {
513                 /*
514                  * Find the entry for DDR mapping and update the address and
515                  * size. Zero-sized mapping will be skipped when creating MMU
516                  * table.
517                  */
518                 switch (final_map[index].virt) {
519                 case CONFIG_SYS_FSL_DRAM_BASE1:
520                         final_map[index].virt = gd->bd->bi_dram[0].start;
521                         final_map[index].phys = gd->bd->bi_dram[0].start;
522                         final_map[index].size = gd->bd->bi_dram[0].size;
523                         break;
524 #ifdef CONFIG_SYS_FSL_DRAM_BASE2
525                 case CONFIG_SYS_FSL_DRAM_BASE2:
526 #if (CONFIG_NR_DRAM_BANKS >= 2)
527                         final_map[index].virt = gd->bd->bi_dram[1].start;
528                         final_map[index].phys = gd->bd->bi_dram[1].start;
529                         final_map[index].size = gd->bd->bi_dram[1].size;
530 #else
531                         final_map[index].size = 0;
532 #endif
533                 break;
534 #endif
535 #ifdef CONFIG_SYS_FSL_DRAM_BASE3
536                 case CONFIG_SYS_FSL_DRAM_BASE3:
537 #if (CONFIG_NR_DRAM_BANKS >= 3)
538                         final_map[index].virt = gd->bd->bi_dram[2].start;
539                         final_map[index].phys = gd->bd->bi_dram[2].start;
540                         final_map[index].size = gd->bd->bi_dram[2].size;
541 #else
542                         final_map[index].size = 0;
543 #endif
544                 break;
545 #endif
546                 default:
547                         break;
548                 }
549         }
550
551 #ifdef CONFIG_SYS_MEM_RESERVE_SECURE
552         if (gd->arch.secure_ram & MEM_RESERVE_SECURE_MAINTAINED) {
553                 if (el == 3) {
554                         /*
555                          * Only use gd->arch.secure_ram if the address is
556                          * recalculated. Align to 4KB for MMU table.
557                          */
558                         /* put page tables in secure ram */
559                         index = ARRAY_SIZE(final_map) - 2;
560                         gd->arch.tlb_addr = gd->arch.secure_ram & ~0xfff;
561                         final_map[index].virt = gd->arch.secure_ram & ~0x3;
562                         final_map[index].phys = final_map[index].virt;
563                         final_map[index].size = CONFIG_SYS_MEM_RESERVE_SECURE;
564                         final_map[index].attrs = PTE_BLOCK_OUTER_SHARE;
565                         gd->arch.secure_ram |= MEM_RESERVE_SECURE_SECURED;
566                         tlb_addr_save = gd->arch.tlb_addr;
567                 } else {
568                         /* Use allocated (board_f.c) memory for TLB */
569                         tlb_addr_save = gd->arch.tlb_allocated;
570                         gd->arch.tlb_addr = tlb_addr_save;
571                 }
572         }
573 #endif
574
575         /* Reset the fill ptr */
576         gd->arch.tlb_fillptr = tlb_addr_save;
577
578         /* Create normal system page tables */
579         setup_pgtables();
580
581         /* Create emergency page tables */
582         gd->arch.tlb_addr = gd->arch.tlb_fillptr;
583         gd->arch.tlb_emerg = gd->arch.tlb_addr;
584         setup_pgtables();
585         gd->arch.tlb_addr = tlb_addr_save;
586
587         /* Disable cache and MMU */
588         dcache_disable();       /* TLBs are invalidated */
589         invalidate_icache_all();
590
591         /* point TTBR to the new table */
592         set_ttbr_tcr_mair(el, gd->arch.tlb_addr, get_tcr(el, NULL, NULL),
593                           MEMORY_ATTRIBUTES);
594
595         set_sctlr(get_sctlr() | CR_M);
596 }
597
598 u64 get_page_table_size(void)
599 {
600         return 0x10000;
601 }
602
603 int arch_cpu_init(void)
604 {
605         /*
606          * This function is called before U-Boot relocates itself to speed up
607          * on system running. It is not necessary to run if performance is not
608          * critical. Skip if MMU is already enabled by SPL or other means.
609          */
610         if (get_sctlr() & CR_M)
611                 return 0;
612
613         icache_enable();
614         __asm_invalidate_dcache_all();
615         __asm_invalidate_tlb_all();
616         early_mmu_setup();
617         set_sctlr(get_sctlr() | CR_C);
618         return 0;
619 }
620
621 void mmu_setup(void)
622 {
623         final_mmu_setup();
624 }
625
626 /*
627  * This function is called from common/board_r.c.
628  * It recreates MMU table in main memory.
629  */
630 void enable_caches(void)
631 {
632         mmu_setup();
633         __asm_invalidate_tlb_all();
634         icache_enable();
635         dcache_enable();
636 }
637 #endif  /* !CONFIG_IS_ENABLED(SYS_DCACHE_OFF) */
638
639 #ifdef CONFIG_TFABOOT
640 enum boot_src __get_boot_src(u32 porsr1)
641 {
642         enum boot_src src = BOOT_SOURCE_RESERVED;
643         u32 rcw_src = (porsr1 & RCW_SRC_MASK) >> RCW_SRC_BIT;
644 #if !defined(CONFIG_NXP_LSCH3_2)
645         u32 val;
646 #endif
647         debug("%s: rcw_src 0x%x\n", __func__, rcw_src);
648
649 #if defined(CONFIG_FSL_LSCH3)
650 #if defined(CONFIG_NXP_LSCH3_2)
651         switch (rcw_src) {
652         case RCW_SRC_SDHC1_VAL:
653                 src = BOOT_SOURCE_SD_MMC;
654         break;
655         case RCW_SRC_SDHC2_VAL:
656                 src = BOOT_SOURCE_SD_MMC2;
657         break;
658         case RCW_SRC_I2C1_VAL:
659                 src = BOOT_SOURCE_I2C1_EXTENDED;
660         break;
661         case RCW_SRC_FLEXSPI_NAND2K_VAL:
662                 src = BOOT_SOURCE_XSPI_NAND;
663         break;
664         case RCW_SRC_FLEXSPI_NAND4K_VAL:
665                 src = BOOT_SOURCE_XSPI_NAND;
666         break;
667         case RCW_SRC_RESERVED_1_VAL:
668                 src = BOOT_SOURCE_RESERVED;
669         break;
670         case RCW_SRC_FLEXSPI_NOR_24B:
671                 src = BOOT_SOURCE_XSPI_NOR;
672         break;
673         default:
674                 src = BOOT_SOURCE_RESERVED;
675         }
676 #else
677         val = rcw_src & RCW_SRC_TYPE_MASK;
678         if (val == RCW_SRC_NOR_VAL) {
679                 val = rcw_src & NOR_TYPE_MASK;
680
681                 switch (val) {
682                 case NOR_16B_VAL:
683                 case NOR_32B_VAL:
684                         src = BOOT_SOURCE_IFC_NOR;
685                 break;
686                 default:
687                         src = BOOT_SOURCE_RESERVED;
688                 }
689         } else {
690                 /* RCW SRC Serial Flash */
691                 val = rcw_src & RCW_SRC_SERIAL_MASK;
692                 switch (val) {
693                 case RCW_SRC_QSPI_VAL:
694                 /* RCW SRC Serial NOR (QSPI) */
695                         src = BOOT_SOURCE_QSPI_NOR;
696                         break;
697                 case RCW_SRC_SD_CARD_VAL:
698                 /* RCW SRC SD Card */
699                         src = BOOT_SOURCE_SD_MMC;
700                         break;
701                 case RCW_SRC_EMMC_VAL:
702                 /* RCW SRC EMMC */
703                         src = BOOT_SOURCE_SD_MMC;
704                         break;
705                 case RCW_SRC_I2C1_VAL:
706                 /* RCW SRC I2C1 Extended */
707                         src = BOOT_SOURCE_I2C1_EXTENDED;
708                         break;
709                 default:
710                         src = BOOT_SOURCE_RESERVED;
711                 }
712         }
713 #endif
714 #elif defined(CONFIG_FSL_LSCH2)
715         /* RCW SRC NAND */
716         val = rcw_src & RCW_SRC_NAND_MASK;
717         if (val == RCW_SRC_NAND_VAL) {
718                 val = rcw_src & NAND_RESERVED_MASK;
719                 if (val != NAND_RESERVED_1 && val != NAND_RESERVED_2)
720                         src = BOOT_SOURCE_IFC_NAND;
721
722         } else {
723                 /* RCW SRC NOR */
724                 val = rcw_src & RCW_SRC_NOR_MASK;
725                 if (val == NOR_8B_VAL || val == NOR_16B_VAL) {
726                         src = BOOT_SOURCE_IFC_NOR;
727                 } else {
728                         switch (rcw_src) {
729                         case QSPI_VAL1:
730                         case QSPI_VAL2:
731                                 src = BOOT_SOURCE_QSPI_NOR;
732                                 break;
733                         case SD_VAL:
734                                 src = BOOT_SOURCE_SD_MMC;
735                                 break;
736                         default:
737                                 src = BOOT_SOURCE_RESERVED;
738                         }
739                 }
740         }
741 #endif
742
743         if (CONFIG_IS_ENABLED(SYS_FSL_ERRATUM_A010539) && !rcw_src)
744                 src = BOOT_SOURCE_QSPI_NOR;
745
746         debug("%s: src 0x%x\n", __func__, src);
747         return src;
748 }
749
750 enum boot_src get_boot_src(void)
751 {
752         struct pt_regs regs;
753         u32 porsr1 = 0;
754
755 #if defined(CONFIG_FSL_LSCH3)
756         u32 __iomem *dcfg_ccsr = (u32 __iomem *)DCFG_BASE;
757 #elif defined(CONFIG_FSL_LSCH2)
758         struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
759 #endif
760
761         if (current_el() == 2) {
762                 regs.regs[0] = SIP_SVC_RCW;
763
764                 smc_call(&regs);
765                 if (!regs.regs[0])
766                         porsr1 = regs.regs[1];
767         }
768
769         if (current_el() == 3 || !porsr1) {
770 #ifdef CONFIG_FSL_LSCH3
771                 porsr1 = in_le32(dcfg_ccsr + DCFG_PORSR1 / 4);
772 #elif defined(CONFIG_FSL_LSCH2)
773                 porsr1 = in_be32(&gur->porsr1);
774 #endif
775         }
776
777         debug("%s: porsr1 0x%x\n", __func__, porsr1);
778
779         return __get_boot_src(porsr1);
780 }
781
782 #ifdef CONFIG_ENV_IS_IN_MMC
783 int mmc_get_env_dev(void)
784 {
785         enum boot_src src = get_boot_src();
786         int dev = CONFIG_SYS_MMC_ENV_DEV;
787
788         switch (src) {
789         case BOOT_SOURCE_SD_MMC:
790                 dev = 0;
791                 break;
792         case BOOT_SOURCE_SD_MMC2:
793                 dev = 1;
794                 break;
795         default:
796                 break;
797         }
798
799         return dev;
800 }
801 #endif
802
803 enum env_location env_get_location(enum env_operation op, int prio)
804 {
805         enum boot_src src = get_boot_src();
806         enum env_location env_loc = ENVL_NOWHERE;
807
808         if (prio)
809                 return ENVL_UNKNOWN;
810
811 #ifdef CONFIG_CHAIN_OF_TRUST
812         /* Check Boot Mode
813          * If Boot Mode is Secure, return ENVL_NOWHERE
814          */
815         if (fsl_check_boot_mode_secure() == 1)
816                 goto done;
817 #endif
818
819         switch (src) {
820         case BOOT_SOURCE_IFC_NOR:
821                 env_loc = ENVL_FLASH;
822                 break;
823         case BOOT_SOURCE_QSPI_NOR:
824                 /* FALLTHROUGH */
825         case BOOT_SOURCE_XSPI_NOR:
826                 env_loc = ENVL_SPI_FLASH;
827                 break;
828         case BOOT_SOURCE_IFC_NAND:
829                 /* FALLTHROUGH */
830         case BOOT_SOURCE_QSPI_NAND:
831                 /* FALLTHROUGH */
832         case BOOT_SOURCE_XSPI_NAND:
833                 env_loc = ENVL_NAND;
834                 break;
835         case BOOT_SOURCE_SD_MMC:
836                 /* FALLTHROUGH */
837         case BOOT_SOURCE_SD_MMC2:
838                 env_loc =  ENVL_MMC;
839                 break;
840         case BOOT_SOURCE_I2C1_EXTENDED:
841                 /* FALLTHROUGH */
842         default:
843                 break;
844         }
845
846 #ifdef CONFIG_CHAIN_OF_TRUST
847 done:
848 #endif
849         return env_loc;
850 }
851 #endif  /* CONFIG_TFABOOT */
852
853 u32 initiator_type(u32 cluster, int init_id)
854 {
855         struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
856         u32 idx = (cluster >> (init_id * 8)) & TP_CLUSTER_INIT_MASK;
857         u32 type = 0;
858
859         type = gur_in32(&gur->tp_ityp[idx]);
860         if (type & TP_ITYP_AV)
861                 return type;
862
863         return 0;
864 }
865
866 u32 cpu_pos_mask(void)
867 {
868         struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
869         int i = 0;
870         u32 cluster, type, mask = 0;
871
872         do {
873                 int j;
874
875                 cluster = gur_in32(&gur->tp_cluster[i].lower);
876                 for (j = 0; j < TP_INIT_PER_CLUSTER; j++) {
877                         type = initiator_type(cluster, j);
878                         if (type && (TP_ITYP_TYPE(type) == TP_ITYP_TYPE_ARM))
879                                 mask |= 1 << (i * TP_INIT_PER_CLUSTER + j);
880                 }
881                 i++;
882         } while ((cluster & TP_CLUSTER_EOC) == 0x0);
883
884         return mask;
885 }
886
887 u32 cpu_mask(void)
888 {
889         struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
890         int i = 0, count = 0;
891         u32 cluster, type, mask = 0;
892
893         do {
894                 int j;
895
896                 cluster = gur_in32(&gur->tp_cluster[i].lower);
897                 for (j = 0; j < TP_INIT_PER_CLUSTER; j++) {
898                         type = initiator_type(cluster, j);
899                         if (type) {
900                                 if (TP_ITYP_TYPE(type) == TP_ITYP_TYPE_ARM)
901                                         mask |= 1 << count;
902                                 count++;
903                         }
904                 }
905                 i++;
906         } while ((cluster & TP_CLUSTER_EOC) == 0x0);
907
908         return mask;
909 }
910
911 /*
912  * Return the number of cores on this SOC.
913  */
914 int cpu_numcores(void)
915 {
916         return hweight32(cpu_mask());
917 }
918
919 int fsl_qoriq_core_to_cluster(unsigned int core)
920 {
921         struct ccsr_gur __iomem *gur =
922                 (void __iomem *)(CONFIG_SYS_FSL_GUTS_ADDR);
923         int i = 0, count = 0;
924         u32 cluster;
925
926         do {
927                 int j;
928
929                 cluster = gur_in32(&gur->tp_cluster[i].lower);
930                 for (j = 0; j < TP_INIT_PER_CLUSTER; j++) {
931                         if (initiator_type(cluster, j)) {
932                                 if (count == core)
933                                         return i;
934                                 count++;
935                         }
936                 }
937                 i++;
938         } while ((cluster & TP_CLUSTER_EOC) == 0x0);
939
940         return -1;      /* cannot identify the cluster */
941 }
942
943 u32 fsl_qoriq_core_to_type(unsigned int core)
944 {
945         struct ccsr_gur __iomem *gur =
946                 (void __iomem *)(CONFIG_SYS_FSL_GUTS_ADDR);
947         int i = 0, count = 0;
948         u32 cluster, type;
949
950         do {
951                 int j;
952
953                 cluster = gur_in32(&gur->tp_cluster[i].lower);
954                 for (j = 0; j < TP_INIT_PER_CLUSTER; j++) {
955                         type = initiator_type(cluster, j);
956                         if (type) {
957                                 if (count == core)
958                                         return type;
959                                 count++;
960                         }
961                 }
962                 i++;
963         } while ((cluster & TP_CLUSTER_EOC) == 0x0);
964
965         return -1;      /* cannot identify the cluster */
966 }
967
968 #ifndef CONFIG_FSL_LSCH3
969 uint get_svr(void)
970 {
971         struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
972
973         return gur_in32(&gur->svr);
974 }
975 #endif
976
977 #ifdef CONFIG_DISPLAY_CPUINFO
978 int print_cpuinfo(void)
979 {
980         struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
981         struct sys_info sysinfo;
982         char buf[32];
983         unsigned int i, core;
984         u32 type, rcw, svr = gur_in32(&gur->svr);
985
986         puts("SoC: ");
987
988         cpu_name(buf);
989         printf(" %s (0x%x)\n", buf, svr);
990         memset((u8 *)buf, 0x00, ARRAY_SIZE(buf));
991         get_sys_info(&sysinfo);
992         puts("Clock Configuration:");
993         for_each_cpu(i, core, cpu_numcores(), cpu_mask()) {
994                 if (!(i % 3))
995                         puts("\n       ");
996                 type = TP_ITYP_VER(fsl_qoriq_core_to_type(core));
997                 printf("CPU%d(%s):%-4s MHz  ", core,
998                        type == TY_ITYP_VER_A7 ? "A7 " :
999                        (type == TY_ITYP_VER_A53 ? "A53" :
1000                        (type == TY_ITYP_VER_A57 ? "A57" :
1001                        (type == TY_ITYP_VER_A72 ? "A72" : "   "))),
1002                        strmhz(buf, sysinfo.freq_processor[core]));
1003         }
1004         /* Display platform clock as Bus frequency. */
1005         printf("\n       Bus:      %-4s MHz  ",
1006                strmhz(buf, sysinfo.freq_systembus / CONFIG_SYS_FSL_PCLK_DIV));
1007         printf("DDR:      %-4s MT/s", strmhz(buf, sysinfo.freq_ddrbus));
1008 #ifdef CONFIG_SYS_DPAA_FMAN
1009         printf("  FMAN:     %-4s MHz", strmhz(buf, sysinfo.freq_fman[0]));
1010 #endif
1011 #ifdef CONFIG_SYS_FSL_HAS_DP_DDR
1012         if (soc_has_dp_ddr()) {
1013                 printf("     DP-DDR:   %-4s MT/s",
1014                        strmhz(buf, sysinfo.freq_ddrbus2));
1015         }
1016 #endif
1017         puts("\n");
1018
1019         /*
1020          * Display the RCW, so that no one gets confused as to what RCW
1021          * we're actually using for this boot.
1022          */
1023         puts("Reset Configuration Word (RCW):");
1024         for (i = 0; i < ARRAY_SIZE(gur->rcwsr); i++) {
1025                 rcw = gur_in32(&gur->rcwsr[i]);
1026                 if ((i % 4) == 0)
1027                         printf("\n       %08x:", i * 4);
1028                 printf(" %08x", rcw);
1029         }
1030         puts("\n");
1031
1032         return 0;
1033 }
1034 #endif
1035
1036 #ifdef CONFIG_FSL_ESDHC
1037 int cpu_mmc_init(bd_t *bis)
1038 {
1039         return fsl_esdhc_mmc_init(bis);
1040 }
1041 #endif
1042
1043 int cpu_eth_init(bd_t *bis)
1044 {
1045         int error = 0;
1046
1047 #if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD)
1048         error = fsl_mc_ldpaa_init(bis);
1049 #endif
1050 #ifdef CONFIG_FMAN_ENET
1051         fm_standard_init(bis);
1052 #endif
1053         return error;
1054 }
1055
1056 static inline int check_psci(void)
1057 {
1058         unsigned int psci_ver;
1059
1060         psci_ver = sec_firmware_support_psci_version();
1061         if (psci_ver == PSCI_INVALID_VER)
1062                 return 1;
1063
1064         return 0;
1065 }
1066
1067 static void config_core_prefetch(void)
1068 {
1069         char *buf = NULL;
1070         char buffer[HWCONFIG_BUFFER_SIZE];
1071         const char *prefetch_arg = NULL;
1072         size_t arglen;
1073         unsigned int mask;
1074         struct pt_regs regs;
1075
1076         if (env_get_f("hwconfig", buffer, sizeof(buffer)) > 0)
1077                 buf = buffer;
1078
1079         prefetch_arg = hwconfig_subarg_f("core_prefetch", "disable",
1080                                          &arglen, buf);
1081
1082         if (prefetch_arg) {
1083                 mask = simple_strtoul(prefetch_arg, NULL, 0) & 0xff;
1084                 if (mask & 0x1) {
1085                         printf("Core0 prefetch can't be disabled\n");
1086                         return;
1087                 }
1088
1089 #define SIP_PREFETCH_DISABLE_64 0xC200FF13
1090                 regs.regs[0] = SIP_PREFETCH_DISABLE_64;
1091                 regs.regs[1] = mask;
1092                 smc_call(&regs);
1093
1094                 if (regs.regs[0])
1095                         printf("Prefetch disable config failed for mask ");
1096                 else
1097                         printf("Prefetch disable config passed for mask ");
1098                 printf("0x%x\n", mask);
1099         }
1100 }
1101
1102 int arch_early_init_r(void)
1103 {
1104 #ifdef CONFIG_SYS_FSL_ERRATUM_A009635
1105         u32 svr_dev_id;
1106         /*
1107          * erratum A009635 is valid only for LS2080A SoC and
1108          * its personalitiesi
1109          */
1110         svr_dev_id = get_svr();
1111         if (IS_SVR_DEV(svr_dev_id, SVR_DEV(SVR_LS2080A)))
1112                 erratum_a009635();
1113 #endif
1114 #if defined(CONFIG_SYS_FSL_ERRATUM_A009942) && defined(CONFIG_SYS_FSL_DDR)
1115         erratum_a009942_check_cpo();
1116 #endif
1117         if (check_psci()) {
1118                 debug("PSCI: PSCI does not exist.\n");
1119
1120                 /* if PSCI does not exist, boot secondary cores here */
1121                 if (fsl_layerscape_wake_seconday_cores())
1122                         printf("Did not wake secondary cores\n");
1123         }
1124
1125         config_core_prefetch();
1126
1127 #ifdef CONFIG_SYS_HAS_SERDES
1128         fsl_serdes_init();
1129 #endif
1130 #ifdef CONFIG_SYS_FSL_HAS_RGMII
1131         /* some dpmacs in armv8a based freescale layerscape SOCs can be
1132          * configured via both serdes(sgmii, xfi, xlaui etc) bits and via
1133          * EC*_PMUX(rgmii) bits in RCW.
1134          * e.g. dpmac 17 and 18 in LX2160A can be configured as SGMII from
1135          * serdes bits and as RGMII via EC1_PMUX/EC2_PMUX bits
1136          * Now if a dpmac is enabled by serdes bits then it takes precedence
1137          * over EC*_PMUX bits. i.e. in LX2160A if we select serdes protocol
1138          * that configures dpmac17 as SGMII and set the EC1_PMUX as RGMII,
1139          * then the dpmac is SGMII and not RGMII.
1140          *
1141          * Therefore, move the fsl_rgmii_init after fsl_serdes_init. in
1142          * fsl_rgmii_init function of SOC, we will check if the dpmac is enabled
1143          * or not? if it is (fsl_serdes_init has already enabled the dpmac),
1144          * then don't enable it.
1145          */
1146         fsl_rgmii_init();
1147 #endif
1148 #ifdef CONFIG_FMAN_ENET
1149         fman_enet_init();
1150 #endif
1151 #ifdef CONFIG_SYS_DPAA_QBMAN
1152         setup_qbman_portals();
1153 #endif
1154         return 0;
1155 }
1156
1157 int timer_init(void)
1158 {
1159         u32 __iomem *cntcr = (u32 *)CONFIG_SYS_FSL_TIMER_ADDR;
1160 #ifdef CONFIG_FSL_LSCH3
1161         u32 __iomem *cltbenr = (u32 *)CONFIG_SYS_FSL_PMU_CLTBENR;
1162 #endif
1163 #if defined(CONFIG_ARCH_LS2080A) || defined(CONFIG_ARCH_LS1088A)
1164         u32 __iomem *pctbenr = (u32 *)FSL_PMU_PCTBENR_OFFSET;
1165         u32 svr_dev_id;
1166 #endif
1167 #ifdef COUNTER_FREQUENCY_REAL
1168         unsigned long cntfrq = COUNTER_FREQUENCY_REAL;
1169
1170         /* Update with accurate clock frequency */
1171         if (current_el() == 3)
1172                 asm volatile("msr cntfrq_el0, %0" : : "r" (cntfrq) : "memory");
1173 #endif
1174
1175 #ifdef CONFIG_FSL_LSCH3
1176         /* Enable timebase for all clusters.
1177          * It is safe to do so even some clusters are not enabled.
1178          */
1179         out_le32(cltbenr, 0xf);
1180 #endif
1181
1182 #if defined(CONFIG_ARCH_LS2080A) || defined(CONFIG_ARCH_LS1088A)
1183         /*
1184          * In certain Layerscape SoCs, the clock for each core's
1185          * has an enable bit in the PMU Physical Core Time Base Enable
1186          * Register (PCTBENR), which allows the watchdog to operate.
1187          */
1188         setbits_le32(pctbenr, 0xff);
1189         /*
1190          * For LS2080A SoC and its personalities, timer controller
1191          * offset is different
1192          */
1193         svr_dev_id = get_svr();
1194         if (IS_SVR_DEV(svr_dev_id, SVR_DEV(SVR_LS2080A)))
1195                 cntcr = (u32 *)SYS_FSL_LS2080A_LS2085A_TIMER_ADDR;
1196
1197 #endif
1198
1199         /* Enable clock for timer
1200          * This is a global setting.
1201          */
1202         out_le32(cntcr, 0x1);
1203
1204         return 0;
1205 }
1206
1207 __efi_runtime_data u32 __iomem *rstcr = (u32 *)CONFIG_SYS_FSL_RST_ADDR;
1208
1209 void __efi_runtime reset_cpu(ulong addr)
1210 {
1211         u32 val;
1212
1213 #ifdef CONFIG_ARCH_LX2160A
1214         val = in_le32(rstcr);
1215         val |= 0x01;
1216         out_le32(rstcr, val);
1217 #else
1218         /* Raise RESET_REQ_B */
1219         val = scfg_in32(rstcr);
1220         val |= 0x02;
1221         scfg_out32(rstcr, val);
1222 #endif
1223 }
1224
1225 #ifdef CONFIG_EFI_LOADER
1226
1227 void __efi_runtime EFIAPI efi_reset_system(
1228                        enum efi_reset_type reset_type,
1229                        efi_status_t reset_status,
1230                        unsigned long data_size, void *reset_data)
1231 {
1232         switch (reset_type) {
1233         case EFI_RESET_COLD:
1234         case EFI_RESET_WARM:
1235         case EFI_RESET_PLATFORM_SPECIFIC:
1236                 reset_cpu(0);
1237                 break;
1238         case EFI_RESET_SHUTDOWN:
1239                 /* Nothing we can do */
1240                 break;
1241         }
1242
1243         while (1) { }
1244 }
1245
1246 efi_status_t efi_reset_system_init(void)
1247 {
1248         return efi_add_runtime_mmio(&rstcr, sizeof(*rstcr));
1249 }
1250
1251 #endif
1252
1253 /*
1254  * Calculate reserved memory with given memory bank
1255  * Return aligned memory size on success
1256  * Return (ram_size + needed size) for failure
1257  */
1258 phys_size_t board_reserve_ram_top(phys_size_t ram_size)
1259 {
1260         phys_size_t ram_top = ram_size;
1261
1262 #if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD)
1263         ram_top = mc_get_dram_block_size();
1264         if (ram_top > ram_size)
1265                 return ram_size + ram_top;
1266
1267         ram_top = ram_size - ram_top;
1268         /* The start address of MC reserved memory needs to be aligned. */
1269         ram_top &= ~(CONFIG_SYS_MC_RSV_MEM_ALIGN - 1);
1270 #endif
1271
1272         return ram_size - ram_top;
1273 }
1274
1275 phys_size_t get_effective_memsize(void)
1276 {
1277         phys_size_t ea_size, rem = 0;
1278
1279         /*
1280          * For ARMv8 SoCs, DDR memory is split into two or three regions. The
1281          * first region is 2GB space at 0x8000_0000. Secure memory needs to
1282          * allocated from first region. If the memory extends to  the second
1283          * region (or the third region if applicable), Management Complex (MC)
1284          * memory should be put into the highest region, i.e. the end of DDR
1285          * memory. CONFIG_MAX_MEM_MAPPED is set to the size of first region so
1286          * U-Boot doesn't relocate itself into higher address. Should DDR be
1287          * configured to skip the first region, this function needs to be
1288          * adjusted.
1289          */
1290         if (gd->ram_size > CONFIG_MAX_MEM_MAPPED) {
1291                 ea_size = CONFIG_MAX_MEM_MAPPED;
1292                 rem = gd->ram_size - ea_size;
1293         } else {
1294                 ea_size = gd->ram_size;
1295         }
1296
1297 #ifdef CONFIG_SYS_MEM_RESERVE_SECURE
1298         /* Check if we have enough space for secure memory */
1299         if (ea_size > CONFIG_SYS_MEM_RESERVE_SECURE)
1300                 ea_size -= CONFIG_SYS_MEM_RESERVE_SECURE;
1301         else
1302                 printf("Error: No enough space for secure memory.\n");
1303 #endif
1304         /* Check if we have enough memory for MC */
1305         if (rem < board_reserve_ram_top(rem)) {
1306                 /* Not enough memory in high region to reserve */
1307                 if (ea_size > board_reserve_ram_top(ea_size))
1308                         ea_size -= board_reserve_ram_top(ea_size);
1309                 else
1310                         printf("Error: No enough space for reserved memory.\n");
1311         }
1312
1313         return ea_size;
1314 }
1315
1316 #ifdef CONFIG_TFABOOT
1317 phys_size_t tfa_get_dram_size(void)
1318 {
1319         struct pt_regs regs;
1320         phys_size_t dram_size = 0;
1321
1322         regs.regs[0] = SMC_DRAM_BANK_INFO;
1323         regs.regs[1] = -1;
1324
1325         smc_call(&regs);
1326         if (regs.regs[0])
1327                 return 0;
1328
1329         dram_size = regs.regs[1];
1330         return dram_size;
1331 }
1332
1333 static int tfa_dram_init_banksize(void)
1334 {
1335         int i = 0, ret = 0;
1336         struct pt_regs regs;
1337         phys_size_t dram_size = tfa_get_dram_size();
1338
1339         debug("dram_size %llx\n", dram_size);
1340
1341         if (!dram_size)
1342                 return -EINVAL;
1343
1344         do {
1345                 regs.regs[0] = SMC_DRAM_BANK_INFO;
1346                 regs.regs[1] = i;
1347
1348                 smc_call(&regs);
1349                 if (regs.regs[0]) {
1350                         ret = -EINVAL;
1351                         break;
1352                 }
1353
1354                 debug("bank[%d]: start %lx, size %lx\n", i, regs.regs[1],
1355                       regs.regs[2]);
1356                 gd->bd->bi_dram[i].start = regs.regs[1];
1357                 gd->bd->bi_dram[i].size = regs.regs[2];
1358
1359                 dram_size -= gd->bd->bi_dram[i].size;
1360
1361                 i++;
1362         } while (dram_size);
1363
1364         if (i > 0)
1365                 ret = 0;
1366
1367 #if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD)
1368         /* Assign memory for MC */
1369 #ifdef CONFIG_SYS_DDR_BLOCK3_BASE
1370         if (gd->bd->bi_dram[2].size >=
1371             board_reserve_ram_top(gd->bd->bi_dram[2].size)) {
1372                 gd->arch.resv_ram = gd->bd->bi_dram[2].start +
1373                             gd->bd->bi_dram[2].size -
1374                             board_reserve_ram_top(gd->bd->bi_dram[2].size);
1375         } else
1376 #endif
1377         {
1378                 if (gd->bd->bi_dram[1].size >=
1379                     board_reserve_ram_top(gd->bd->bi_dram[1].size)) {
1380                         gd->arch.resv_ram = gd->bd->bi_dram[1].start +
1381                                 gd->bd->bi_dram[1].size -
1382                                 board_reserve_ram_top(gd->bd->bi_dram[1].size);
1383                 } else if (gd->bd->bi_dram[0].size >
1384                            board_reserve_ram_top(gd->bd->bi_dram[0].size)) {
1385                         gd->arch.resv_ram = gd->bd->bi_dram[0].start +
1386                                 gd->bd->bi_dram[0].size -
1387                                 board_reserve_ram_top(gd->bd->bi_dram[0].size);
1388                 }
1389         }
1390 #endif  /* CONFIG_FSL_MC_ENET */
1391
1392         return ret;
1393 }
1394 #endif
1395
1396 int dram_init_banksize(void)
1397 {
1398 #ifdef CONFIG_SYS_DP_DDR_BASE_PHY
1399         phys_size_t dp_ddr_size;
1400 #endif
1401
1402 #ifdef CONFIG_TFABOOT
1403         if (!tfa_dram_init_banksize())
1404                 return 0;
1405 #endif
1406         /*
1407          * gd->ram_size has the total size of DDR memory, less reserved secure
1408          * memory. The DDR extends from low region to high region(s) presuming
1409          * no hole is created with DDR configuration. gd->arch.secure_ram tracks
1410          * the location of secure memory. gd->arch.resv_ram tracks the location
1411          * of reserved memory for Management Complex (MC). Because gd->ram_size
1412          * is reduced by this function if secure memory is reserved, checking
1413          * gd->arch.secure_ram should be done to avoid running it repeatedly.
1414          */
1415
1416 #ifdef CONFIG_SYS_MEM_RESERVE_SECURE
1417         if (gd->arch.secure_ram & MEM_RESERVE_SECURE_MAINTAINED) {
1418                 debug("No need to run again, skip %s\n", __func__);
1419
1420                 return 0;
1421         }
1422 #endif
1423
1424         gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
1425         if (gd->ram_size > CONFIG_SYS_DDR_BLOCK1_SIZE) {
1426                 gd->bd->bi_dram[0].size = CONFIG_SYS_DDR_BLOCK1_SIZE;
1427                 gd->bd->bi_dram[1].start = CONFIG_SYS_DDR_BLOCK2_BASE;
1428                 gd->bd->bi_dram[1].size = gd->ram_size -
1429                                           CONFIG_SYS_DDR_BLOCK1_SIZE;
1430 #ifdef CONFIG_SYS_DDR_BLOCK3_BASE
1431                 if (gd->bi_dram[1].size > CONFIG_SYS_DDR_BLOCK2_SIZE) {
1432                         gd->bd->bi_dram[2].start = CONFIG_SYS_DDR_BLOCK3_BASE;
1433                         gd->bd->bi_dram[2].size = gd->bd->bi_dram[1].size -
1434                                                   CONFIG_SYS_DDR_BLOCK2_SIZE;
1435                         gd->bd->bi_dram[1].size = CONFIG_SYS_DDR_BLOCK2_SIZE;
1436                 }
1437 #endif
1438         } else {
1439                 gd->bd->bi_dram[0].size = gd->ram_size;
1440         }
1441 #ifdef CONFIG_SYS_MEM_RESERVE_SECURE
1442         if (gd->bd->bi_dram[0].size >
1443                                 CONFIG_SYS_MEM_RESERVE_SECURE) {
1444                 gd->bd->bi_dram[0].size -=
1445                                 CONFIG_SYS_MEM_RESERVE_SECURE;
1446                 gd->arch.secure_ram = gd->bd->bi_dram[0].start +
1447                                       gd->bd->bi_dram[0].size;
1448                 gd->arch.secure_ram |= MEM_RESERVE_SECURE_MAINTAINED;
1449                 gd->ram_size -= CONFIG_SYS_MEM_RESERVE_SECURE;
1450         }
1451 #endif  /* CONFIG_SYS_MEM_RESERVE_SECURE */
1452
1453 #if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD)
1454         /* Assign memory for MC */
1455 #ifdef CONFIG_SYS_DDR_BLOCK3_BASE
1456         if (gd->bd->bi_dram[2].size >=
1457             board_reserve_ram_top(gd->bd->bi_dram[2].size)) {
1458                 gd->arch.resv_ram = gd->bd->bi_dram[2].start +
1459                             gd->bd->bi_dram[2].size -
1460                             board_reserve_ram_top(gd->bd->bi_dram[2].size);
1461         } else
1462 #endif
1463         {
1464                 if (gd->bd->bi_dram[1].size >=
1465                     board_reserve_ram_top(gd->bd->bi_dram[1].size)) {
1466                         gd->arch.resv_ram = gd->bd->bi_dram[1].start +
1467                                 gd->bd->bi_dram[1].size -
1468                                 board_reserve_ram_top(gd->bd->bi_dram[1].size);
1469                 } else if (gd->bd->bi_dram[0].size >
1470                            board_reserve_ram_top(gd->bd->bi_dram[0].size)) {
1471                         gd->arch.resv_ram = gd->bd->bi_dram[0].start +
1472                                 gd->bd->bi_dram[0].size -
1473                                 board_reserve_ram_top(gd->bd->bi_dram[0].size);
1474                 }
1475         }
1476 #endif  /* CONFIG_FSL_MC_ENET */
1477
1478 #ifdef CONFIG_SYS_DP_DDR_BASE_PHY
1479 #ifdef CONFIG_SYS_DDR_BLOCK3_BASE
1480 #error "This SoC shouldn't have DP DDR"
1481 #endif
1482         if (soc_has_dp_ddr()) {
1483                 /* initialize DP-DDR here */
1484                 puts("DP-DDR:  ");
1485                 /*
1486                  * DDR controller use 0 as the base address for binding.
1487                  * It is mapped to CONFIG_SYS_DP_DDR_BASE for core to access.
1488                  */
1489                 dp_ddr_size = fsl_other_ddr_sdram(CONFIG_SYS_DP_DDR_BASE_PHY,
1490                                           CONFIG_DP_DDR_CTRL,
1491                                           CONFIG_DP_DDR_NUM_CTRLS,
1492                                           CONFIG_DP_DDR_DIMM_SLOTS_PER_CTLR,
1493                                           NULL, NULL, NULL);
1494                 if (dp_ddr_size) {
1495                         gd->bd->bi_dram[2].start = CONFIG_SYS_DP_DDR_BASE;
1496                         gd->bd->bi_dram[2].size = dp_ddr_size;
1497                 } else {
1498                         puts("Not detected");
1499                 }
1500         }
1501 #endif
1502
1503 #ifdef CONFIG_SYS_MEM_RESERVE_SECURE
1504         debug("%s is called. gd->ram_size is reduced to %lu\n",
1505               __func__, (ulong)gd->ram_size);
1506 #endif
1507
1508         return 0;
1509 }
1510
1511 #if CONFIG_IS_ENABLED(EFI_LOADER)
1512 void efi_add_known_memory(void)
1513 {
1514         int i;
1515         phys_addr_t ram_start, start;
1516         phys_size_t ram_size;
1517         u64 pages;
1518
1519         /* Add RAM */
1520         for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
1521 #ifdef CONFIG_SYS_DP_DDR_BASE_PHY
1522 #ifdef CONFIG_SYS_DDR_BLOCK3_BASE
1523 #error "This SoC shouldn't have DP DDR"
1524 #endif
1525                 if (i == 2)
1526                         continue;       /* skip DP-DDR */
1527 #endif
1528                 ram_start = gd->bd->bi_dram[i].start;
1529                 ram_size = gd->bd->bi_dram[i].size;
1530 #ifdef CONFIG_RESV_RAM
1531                 if (gd->arch.resv_ram >= ram_start &&
1532                     gd->arch.resv_ram < ram_start + ram_size)
1533                         ram_size = gd->arch.resv_ram - ram_start;
1534 #endif
1535                 start = (ram_start + EFI_PAGE_MASK) & ~EFI_PAGE_MASK;
1536                 pages = (ram_size + EFI_PAGE_MASK) >> EFI_PAGE_SHIFT;
1537
1538                 efi_add_memory_map(start, pages, EFI_CONVENTIONAL_MEMORY,
1539                                    false);
1540         }
1541 }
1542 #endif
1543
1544 /*
1545  * Before DDR size is known, early MMU table have DDR mapped as device memory
1546  * to avoid speculative access. To relocate U-Boot to DDR, "normal memory"
1547  * needs to be set for these mappings.
1548  * If a special case configures DDR with holes in the mapping, the holes need
1549  * to be marked as invalid. This is not implemented in this function.
1550  */
1551 void update_early_mmu_table(void)
1552 {
1553         if (!gd->arch.tlb_addr)
1554                 return;
1555
1556         if (gd->ram_size <= CONFIG_SYS_FSL_DRAM_SIZE1) {
1557                 mmu_change_region_attr(
1558                                         CONFIG_SYS_SDRAM_BASE,
1559                                         gd->ram_size,
1560                                         PTE_BLOCK_MEMTYPE(MT_NORMAL)    |
1561                                         PTE_BLOCK_OUTER_SHARE           |
1562                                         PTE_BLOCK_NS                    |
1563                                         PTE_TYPE_VALID);
1564         } else {
1565                 mmu_change_region_attr(
1566                                         CONFIG_SYS_SDRAM_BASE,
1567                                         CONFIG_SYS_DDR_BLOCK1_SIZE,
1568                                         PTE_BLOCK_MEMTYPE(MT_NORMAL)    |
1569                                         PTE_BLOCK_OUTER_SHARE           |
1570                                         PTE_BLOCK_NS                    |
1571                                         PTE_TYPE_VALID);
1572 #ifdef CONFIG_SYS_DDR_BLOCK3_BASE
1573 #ifndef CONFIG_SYS_DDR_BLOCK2_SIZE
1574 #error "Missing CONFIG_SYS_DDR_BLOCK2_SIZE"
1575 #endif
1576                 if (gd->ram_size - CONFIG_SYS_DDR_BLOCK1_SIZE >
1577                     CONFIG_SYS_DDR_BLOCK2_SIZE) {
1578                         mmu_change_region_attr(
1579                                         CONFIG_SYS_DDR_BLOCK2_BASE,
1580                                         CONFIG_SYS_DDR_BLOCK2_SIZE,
1581                                         PTE_BLOCK_MEMTYPE(MT_NORMAL)    |
1582                                         PTE_BLOCK_OUTER_SHARE           |
1583                                         PTE_BLOCK_NS                    |
1584                                         PTE_TYPE_VALID);
1585                         mmu_change_region_attr(
1586                                         CONFIG_SYS_DDR_BLOCK3_BASE,
1587                                         gd->ram_size -
1588                                         CONFIG_SYS_DDR_BLOCK1_SIZE -
1589                                         CONFIG_SYS_DDR_BLOCK2_SIZE,
1590                                         PTE_BLOCK_MEMTYPE(MT_NORMAL)    |
1591                                         PTE_BLOCK_OUTER_SHARE           |
1592                                         PTE_BLOCK_NS                    |
1593                                         PTE_TYPE_VALID);
1594                 } else
1595 #endif
1596                 {
1597                         mmu_change_region_attr(
1598                                         CONFIG_SYS_DDR_BLOCK2_BASE,
1599                                         gd->ram_size -
1600                                         CONFIG_SYS_DDR_BLOCK1_SIZE,
1601                                         PTE_BLOCK_MEMTYPE(MT_NORMAL)    |
1602                                         PTE_BLOCK_OUTER_SHARE           |
1603                                         PTE_BLOCK_NS                    |
1604                                         PTE_TYPE_VALID);
1605                 }
1606         }
1607 }
1608
1609 __weak int dram_init(void)
1610 {
1611         fsl_initdram();
1612 #if (!defined(CONFIG_SPL) && !defined(CONFIG_TFABOOT)) || \
1613         defined(CONFIG_SPL_BUILD)
1614         /* This will break-before-make MMU for DDR */
1615         update_early_mmu_table();
1616 #endif
1617
1618         return 0;
1619 }