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armv8: fsl-layerscape: Allocate Secure memory from first ddr region
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1 /*
2  * Copyright 2014-2015 Freescale Semiconductor, Inc.
3  *
4  * SPDX-License-Identifier:     GPL-2.0+
5  */
6
7 #include <common.h>
8 #include <efi_loader.h>
9 #include <libfdt.h>
10 #include <fdt_support.h>
11 #include <phy.h>
12 #ifdef CONFIG_FSL_LSCH3
13 #include <asm/arch/fdt.h>
14 #endif
15 #ifdef CONFIG_FSL_ESDHC
16 #include <fsl_esdhc.h>
17 #endif
18 #ifdef CONFIG_SYS_DPAA_FMAN
19 #include <fsl_fman.h>
20 #endif
21 #ifdef CONFIG_MP
22 #include <asm/arch/mp.h>
23 #endif
24 #include <fsl_sec.h>
25 #include <asm/arch-fsl-layerscape/soc.h>
26 #ifdef CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT
27 #include <asm/armv8/sec_firmware.h>
28 #endif
29
30 int fdt_fixup_phy_connection(void *blob, int offset, phy_interface_t phyc)
31 {
32         return fdt_setprop_string(blob, offset, "phy-connection-type",
33                                          phy_string_for_interface(phyc));
34 }
35
36 #ifdef CONFIG_MP
37 void ft_fixup_cpu(void *blob)
38 {
39         int off;
40         __maybe_unused u64 spin_tbl_addr = (u64)get_spin_tbl_addr();
41         fdt32_t *reg;
42         int addr_cells;
43         u64 val, core_id;
44         size_t *boot_code_size = &(__secondary_boot_code_size);
45 #if defined(CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT) && \
46         defined(CONFIG_SEC_FIRMWARE_ARMV8_PSCI)
47         int node;
48         u32 psci_ver;
49
50         /* Check the psci version to determine if the psci is supported */
51         psci_ver = sec_firmware_support_psci_version();
52         if (psci_ver == 0xffffffff) {
53                 /* remove psci DT node */
54                 node = fdt_path_offset(blob, "/psci");
55                 if (node >= 0)
56                         goto remove_psci_node;
57
58                 node = fdt_node_offset_by_compatible(blob, -1, "arm,psci");
59                 if (node >= 0)
60                         goto remove_psci_node;
61
62                 node = fdt_node_offset_by_compatible(blob, -1, "arm,psci-0.2");
63                 if (node >= 0)
64                         goto remove_psci_node;
65
66                 node = fdt_node_offset_by_compatible(blob, -1, "arm,psci-1.0");
67                 if (node >= 0)
68                         goto remove_psci_node;
69
70 remove_psci_node:
71                 if (node >= 0)
72                         fdt_del_node(blob, node);
73         } else {
74                 return;
75         }
76 #endif
77         off = fdt_path_offset(blob, "/cpus");
78         if (off < 0) {
79                 puts("couldn't find /cpus node\n");
80                 return;
81         }
82         fdt_support_default_count_cells(blob, off, &addr_cells, NULL);
83
84         off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
85         while (off != -FDT_ERR_NOTFOUND) {
86                 reg = (fdt32_t *)fdt_getprop(blob, off, "reg", 0);
87                 if (reg) {
88                         core_id = fdt_read_number(reg, addr_cells);
89                         if (core_id  == 0 || (is_core_online(core_id))) {
90                                 val = spin_tbl_addr;
91                                 val += id_to_core(core_id) *
92                                        SPIN_TABLE_ELEM_SIZE;
93                                 val = cpu_to_fdt64(val);
94                                 fdt_setprop_string(blob, off, "enable-method",
95                                                    "spin-table");
96                                 fdt_setprop(blob, off, "cpu-release-addr",
97                                             &val, sizeof(val));
98                         } else {
99                                 debug("skipping offline core\n");
100                         }
101                 } else {
102                         puts("Warning: found cpu node without reg property\n");
103                 }
104                 off = fdt_node_offset_by_prop_value(blob, off, "device_type",
105                                                     "cpu", 4);
106         }
107
108         fdt_add_mem_rsv(blob, (uintptr_t)&secondary_boot_code,
109                         *boot_code_size);
110 #if defined(CONFIG_EFI_LOADER) && !defined(CONFIG_SPL_BUILD)
111         efi_add_memory_map((uintptr_t)&secondary_boot_code,
112                            ALIGN(*boot_code_size, EFI_PAGE_SIZE) >> EFI_PAGE_SHIFT,
113                            EFI_RESERVED_MEMORY_TYPE, false);
114 #endif
115 }
116 #endif
117
118 void fsl_fdt_disable_usb(void *blob)
119 {
120         int off;
121         /*
122          * SYSCLK is used as a reference clock for USB. When the USB
123          * controller is used, SYSCLK must meet the additional requirement
124          * of 100 MHz.
125          */
126         if (CONFIG_SYS_CLK_FREQ != 100000000) {
127                 off = fdt_node_offset_by_compatible(blob, -1, "snps,dwc3");
128                 while (off != -FDT_ERR_NOTFOUND) {
129                         fdt_status_disabled(blob, off);
130                         off = fdt_node_offset_by_compatible(blob, off,
131                                                             "snps,dwc3");
132                 }
133         }
134 }
135
136 #ifdef CONFIG_HAS_FEATURE_GIC64K_ALIGN
137 static void fdt_fixup_gic(void *blob)
138 {
139         int offset, err;
140         u64 reg[8];
141         struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
142         unsigned int val;
143         struct ccsr_scfg __iomem *scfg = (void *)CONFIG_SYS_FSL_SCFG_ADDR;
144         int align_64k = 0;
145
146         val = gur_in32(&gur->svr);
147
148         if (SVR_SOC_VER(val) != SVR_LS1043A) {
149                 align_64k = 1;
150         } else if (SVR_REV(val) != REV1_0) {
151                 val = scfg_in32(&scfg->gic_align) & (0x01 << GIC_ADDR_BIT);
152                 if (!val)
153                         align_64k = 1;
154         }
155
156         offset = fdt_subnode_offset(blob, 0, "interrupt-controller@1400000");
157         if (offset < 0) {
158                 printf("WARNING: fdt_subnode_offset can't find node %s: %s\n",
159                        "interrupt-controller@1400000", fdt_strerror(offset));
160                 return;
161         }
162
163         /* Fixup gic node align with 64K */
164         if (align_64k) {
165                 reg[0] = cpu_to_fdt64(GICD_BASE_64K);
166                 reg[1] = cpu_to_fdt64(GICD_SIZE_64K);
167                 reg[2] = cpu_to_fdt64(GICC_BASE_64K);
168                 reg[3] = cpu_to_fdt64(GICC_SIZE_64K);
169                 reg[4] = cpu_to_fdt64(GICH_BASE_64K);
170                 reg[5] = cpu_to_fdt64(GICH_SIZE_64K);
171                 reg[6] = cpu_to_fdt64(GICV_BASE_64K);
172                 reg[7] = cpu_to_fdt64(GICV_SIZE_64K);
173         } else {
174         /* Fixup gic node align with default */
175                 reg[0] = cpu_to_fdt64(GICD_BASE);
176                 reg[1] = cpu_to_fdt64(GICD_SIZE);
177                 reg[2] = cpu_to_fdt64(GICC_BASE);
178                 reg[3] = cpu_to_fdt64(GICC_SIZE);
179                 reg[4] = cpu_to_fdt64(GICH_BASE);
180                 reg[5] = cpu_to_fdt64(GICH_SIZE);
181                 reg[6] = cpu_to_fdt64(GICV_BASE);
182                 reg[7] = cpu_to_fdt64(GICV_SIZE);
183         }
184
185         err = fdt_setprop(blob, offset, "reg", reg, sizeof(reg));
186         if (err < 0) {
187                 printf("WARNING: fdt_setprop can't set %s from node %s: %s\n",
188                        "reg", "interrupt-controller@1400000",
189                        fdt_strerror(err));
190                 return;
191         }
192
193         return;
194 }
195 #endif
196
197 #ifdef CONFIG_HAS_FEATURE_ENHANCED_MSI
198 static int _fdt_fixup_msi_node(void *blob, const char *name,
199                                   int irq_0, int irq_1, int rev)
200 {
201         int err, offset, len;
202         u32 tmp[4][3];
203         void *p;
204
205         offset = fdt_path_offset(blob, name);
206         if (offset < 0) {
207                 printf("WARNING: fdt_path_offset can't find path %s: %s\n",
208                        name, fdt_strerror(offset));
209                 return 0;
210         }
211
212         /*fixup the property of interrupts*/
213
214         tmp[0][0] = cpu_to_fdt32(0x0);
215         tmp[0][1] = cpu_to_fdt32(irq_0);
216         tmp[0][2] = cpu_to_fdt32(0x4);
217
218         if (rev > REV1_0) {
219                 tmp[1][0] = cpu_to_fdt32(0x0);
220                 tmp[1][1] = cpu_to_fdt32(irq_1);
221                 tmp[1][2] = cpu_to_fdt32(0x4);
222                 tmp[2][0] = cpu_to_fdt32(0x0);
223                 tmp[2][1] = cpu_to_fdt32(irq_1 + 1);
224                 tmp[2][2] = cpu_to_fdt32(0x4);
225                 tmp[3][0] = cpu_to_fdt32(0x0);
226                 tmp[3][1] = cpu_to_fdt32(irq_1 + 2);
227                 tmp[3][2] = cpu_to_fdt32(0x4);
228                 len = sizeof(tmp);
229         } else {
230                 len = sizeof(tmp[0]);
231         }
232
233         err = fdt_setprop(blob, offset, "interrupts", tmp, len);
234         if (err < 0) {
235                 printf("WARNING: fdt_setprop can't set %s from node %s: %s\n",
236                        "interrupts", name, fdt_strerror(err));
237                 return 0;
238         }
239
240         /*fixup the property of reg*/
241         p = (char *)fdt_getprop(blob, offset, "reg", &len);
242         if (!p) {
243                 printf("WARNING: fdt_getprop can't get %s from node %s\n",
244                        "reg", name);
245                 return 0;
246         }
247
248         memcpy((char *)tmp, p, len);
249
250         if (rev > REV1_0)
251                 *((u32 *)tmp + 3) = cpu_to_fdt32(0x1000);
252         else
253                 *((u32 *)tmp + 3) = cpu_to_fdt32(0x8);
254
255         err = fdt_setprop(blob, offset, "reg", tmp, len);
256         if (err < 0) {
257                 printf("WARNING: fdt_setprop can't set %s from node %s: %s\n",
258                        "reg", name, fdt_strerror(err));
259                 return 0;
260         }
261
262         /*fixup the property of compatible*/
263         if (rev > REV1_0)
264                 err = fdt_setprop_string(blob, offset, "compatible",
265                                          "fsl,ls1043a-v1.1-msi");
266         else
267                 err = fdt_setprop_string(blob, offset, "compatible",
268                                          "fsl,ls1043a-msi");
269         if (err < 0) {
270                 printf("WARNING: fdt_setprop can't set %s from node %s: %s\n",
271                        "compatible", name, fdt_strerror(err));
272                 return 0;
273         }
274
275         return 1;
276 }
277
278 static int _fdt_fixup_pci_msi(void *blob, const char *name, int rev)
279 {
280         int offset, len, err;
281         void *p;
282         int val;
283         u32 tmp[4][8];
284
285         offset = fdt_path_offset(blob, name);
286         if (offset < 0) {
287                 printf("WARNING: fdt_path_offset can't find path %s: %s\n",
288                        name, fdt_strerror(offset));
289                 return 0;
290         }
291
292         p = (char *)fdt_getprop(blob, offset, "interrupt-map", &len);
293         if (!p || len != sizeof(tmp)) {
294                 printf("WARNING: fdt_getprop can't get %s from node %s\n",
295                        "interrupt-map", name);
296                 return 0;
297         }
298
299         memcpy((char *)tmp, p, len);
300
301         val = fdt32_to_cpu(tmp[0][6]);
302         if (rev > REV1_0) {
303                 tmp[1][6] = cpu_to_fdt32(val + 1);
304                 tmp[2][6] = cpu_to_fdt32(val + 2);
305                 tmp[3][6] = cpu_to_fdt32(val + 3);
306         } else {
307                 tmp[1][6] = cpu_to_fdt32(val);
308                 tmp[2][6] = cpu_to_fdt32(val);
309                 tmp[3][6] = cpu_to_fdt32(val);
310         }
311
312         err = fdt_setprop(blob, offset, "interrupt-map", tmp, sizeof(tmp));
313         if (err < 0) {
314                 printf("WARNING: fdt_setprop can't set %s from node %s: %s.\n",
315                        "interrupt-map", name, fdt_strerror(err));
316                 return 0;
317         }
318         return 1;
319 }
320
321 /* Fixup msi node for ls1043a rev1.1*/
322
323 static void fdt_fixup_msi(void *blob)
324 {
325         struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
326         unsigned int rev;
327
328         rev = gur_in32(&gur->svr);
329
330         if (SVR_SOC_VER(rev) != SVR_LS1043A)
331                 return;
332
333         rev = SVR_REV(rev);
334
335         _fdt_fixup_msi_node(blob, "/soc/msi-controller1@1571000",
336                             116, 111, rev);
337         _fdt_fixup_msi_node(blob, "/soc/msi-controller2@1572000",
338                             126, 121, rev);
339         _fdt_fixup_msi_node(blob, "/soc/msi-controller3@1573000",
340                             160, 155, rev);
341
342         _fdt_fixup_pci_msi(blob, "/soc/pcie@3400000", rev);
343         _fdt_fixup_pci_msi(blob, "/soc/pcie@3500000", rev);
344         _fdt_fixup_pci_msi(blob, "/soc/pcie@3600000", rev);
345 }
346 #endif
347
348 #ifdef CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT
349 /* Remove JR node used by SEC firmware */
350 void fdt_fixup_remove_jr(void *blob)
351 {
352         int jr_node, addr_cells, len;
353         int crypto_node = fdt_path_offset(blob, "crypto");
354         u64 jr_offset, used_jr;
355         fdt32_t *reg;
356
357         used_jr = sec_firmware_used_jobring_offset();
358         fdt_support_default_count_cells(blob, crypto_node, &addr_cells, NULL);
359
360         jr_node = fdt_node_offset_by_compatible(blob, crypto_node,
361                                                 "fsl,sec-v4.0-job-ring");
362
363         while (jr_node != -FDT_ERR_NOTFOUND) {
364                 reg = (fdt32_t *)fdt_getprop(blob, jr_node, "reg", &len);
365                 jr_offset = fdt_read_number(reg, addr_cells);
366                 if (jr_offset == used_jr) {
367                         fdt_del_node(blob, jr_node);
368                         break;
369                 }
370                 jr_node = fdt_node_offset_by_compatible(blob, jr_node,
371                                                         "fsl,sec-v4.0-job-ring");
372         }
373 }
374 #endif
375
376 void ft_cpu_setup(void *blob, bd_t *bd)
377 {
378         struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
379         unsigned int svr = gur_in32(&gur->svr);
380
381         /* delete crypto node if not on an E-processor */
382         if (!IS_E_PROCESSOR(svr))
383                 fdt_fixup_crypto_node(blob, 0);
384 #if CONFIG_SYS_FSL_SEC_COMPAT >= 4
385         else {
386                 ccsr_sec_t __iomem *sec;
387
388 #ifdef CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT
389                 if (fdt_fixup_kaslr(blob))
390                         fdt_fixup_remove_jr(blob);
391 #endif
392
393                 sec = (void __iomem *)CONFIG_SYS_FSL_SEC_ADDR;
394                 fdt_fixup_crypto_node(blob, sec_in32(&sec->secvid_ms));
395         }
396 #endif
397
398 #ifdef CONFIG_MP
399         ft_fixup_cpu(blob);
400 #endif
401
402 #ifdef CONFIG_SYS_NS16550
403         do_fixup_by_compat_u32(blob, "fsl,ns16550",
404                                "clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
405 #endif
406
407         do_fixup_by_path_u32(blob, "/sysclk", "clock-frequency",
408                              CONFIG_SYS_CLK_FREQ, 1);
409
410 #ifdef CONFIG_PCI
411         ft_pci_setup(blob, bd);
412 #endif
413
414 #ifdef CONFIG_FSL_ESDHC
415         fdt_fixup_esdhc(blob, bd);
416 #endif
417
418 #ifdef CONFIG_SYS_DPAA_FMAN
419         fdt_fixup_fman_firmware(blob);
420 #endif
421 #ifndef CONFIG_ARCH_LS1012A
422         fsl_fdt_disable_usb(blob);
423 #endif
424 #ifdef CONFIG_HAS_FEATURE_GIC64K_ALIGN
425         fdt_fixup_gic(blob);
426 #endif
427 #ifdef CONFIG_HAS_FEATURE_ENHANCED_MSI
428         fdt_fixup_msi(blob);
429 #endif
430 }