1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2014-2015 Freescale Semiconductor, Inc.
8 #include <clock_legacy.h>
9 #include <efi_loader.h>
10 #include <linux/libfdt.h>
11 #include <fdt_support.h>
13 #ifdef CONFIG_FSL_LSCH3
14 #include <asm/arch/fdt.h>
16 #ifdef CONFIG_FSL_ESDHC
17 #include <fsl_esdhc.h>
19 #ifdef CONFIG_SYS_DPAA_FMAN
23 #include <asm/arch/mp.h>
26 #include <asm/arch-fsl-layerscape/soc.h>
27 #ifdef CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT
28 #include <asm/armv8/sec_firmware.h>
30 #include <asm/arch/speed.h>
31 #include <fsl_qbman.h>
33 int fdt_fixup_phy_connection(void *blob
, int offset
, phy_interface_t phyc
)
37 /* Do NOT apply fixup for backplane modes specified in DT */
38 if (phyc
== PHY_INTERFACE_MODE_XGMII
) {
39 conn
= fdt_getprop(blob
, offset
, "phy-connection-type", NULL
);
40 if (is_backplane_mode(conn
))
43 return fdt_setprop_string(blob
, offset
, "phy-connection-type",
44 phy_string_for_interface(phyc
));
48 void ft_fixup_cpu(void *blob
)
51 __maybe_unused u64 spin_tbl_addr
= (u64
)get_spin_tbl_addr();
55 size_t *boot_code_size
= &(__secondary_boot_code_size
);
56 u32 mask
= cpu_pos_mask();
59 off
= fdt_path_offset(blob
, "/cpus");
61 puts("couldn't find /cpus node\n");
65 fdt_support_default_count_cells(blob
, off
, &addr_cells
, NULL
);
67 off
= fdt_node_offset_by_prop_value(blob
, off_prev
, "device_type",
69 while (off
!= -FDT_ERR_NOTFOUND
) {
70 reg
= (fdt32_t
*)fdt_getprop(blob
, off
, "reg", 0);
72 core_id
= fdt_read_number(reg
, addr_cells
);
73 if (!test_bit(id_to_core(core_id
), &mask
)) {
74 fdt_del_node(blob
, off
);
79 off
= fdt_node_offset_by_prop_value(blob
, off_prev
,
80 "device_type", "cpu", 4);
83 #if defined(CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT) && \
84 defined(CONFIG_SEC_FIRMWARE_ARMV8_PSCI)
88 /* Check the psci version to determine if the psci is supported */
89 psci_ver
= sec_firmware_support_psci_version();
90 if (psci_ver
== 0xffffffff) {
91 /* remove psci DT node */
92 node
= fdt_path_offset(blob
, "/psci");
94 goto remove_psci_node
;
96 node
= fdt_node_offset_by_compatible(blob
, -1, "arm,psci");
98 goto remove_psci_node
;
100 node
= fdt_node_offset_by_compatible(blob
, -1, "arm,psci-0.2");
102 goto remove_psci_node
;
104 node
= fdt_node_offset_by_compatible(blob
, -1, "arm,psci-1.0");
106 goto remove_psci_node
;
110 fdt_del_node(blob
, node
);
115 off
= fdt_path_offset(blob
, "/cpus");
117 puts("couldn't find /cpus node\n");
120 fdt_support_default_count_cells(blob
, off
, &addr_cells
, NULL
);
122 off
= fdt_node_offset_by_prop_value(blob
, -1, "device_type", "cpu", 4);
123 while (off
!= -FDT_ERR_NOTFOUND
) {
124 reg
= (fdt32_t
*)fdt_getprop(blob
, off
, "reg", 0);
126 core_id
= fdt_read_number(reg
, addr_cells
);
127 if (core_id
== 0 || (is_core_online(core_id
))) {
129 val
+= id_to_core(core_id
) *
130 SPIN_TABLE_ELEM_SIZE
;
131 val
= cpu_to_fdt64(val
);
132 fdt_setprop_string(blob
, off
, "enable-method",
134 fdt_setprop(blob
, off
, "cpu-release-addr",
137 debug("skipping offline core\n");
140 puts("Warning: found cpu node without reg property\n");
142 off
= fdt_node_offset_by_prop_value(blob
, off
, "device_type",
146 fdt_add_mem_rsv(blob
, (uintptr_t)&secondary_boot_code
,
148 #if CONFIG_IS_ENABLED(EFI_LOADER)
149 efi_add_memory_map((uintptr_t)&secondary_boot_code
, *boot_code_size
,
150 EFI_RESERVED_MEMORY_TYPE
);
155 void fsl_fdt_disable_usb(void *blob
)
159 * SYSCLK is used as a reference clock for USB. When the USB
160 * controller is used, SYSCLK must meet the additional requirement
163 if (CONFIG_SYS_CLK_FREQ
!= 100000000) {
164 off
= fdt_node_offset_by_compatible(blob
, -1, "snps,dwc3");
165 while (off
!= -FDT_ERR_NOTFOUND
) {
166 fdt_status_disabled(blob
, off
);
167 off
= fdt_node_offset_by_compatible(blob
, off
,
173 #ifdef CONFIG_HAS_FEATURE_GIC64K_ALIGN
174 static void fdt_fixup_gic(void *blob
)
178 struct ccsr_gur __iomem
*gur
= (void *)(CONFIG_SYS_FSL_GUTS_ADDR
);
180 struct ccsr_scfg __iomem
*scfg
= (void *)CONFIG_SYS_FSL_SCFG_ADDR
;
183 val
= gur_in32(&gur
->svr
);
185 if (!IS_SVR_DEV(val
, SVR_DEV(SVR_LS1043A
))) {
187 } else if (SVR_REV(val
) != REV1_0
) {
188 val
= scfg_in32(&scfg
->gic_align
) & (0x01 << GIC_ADDR_BIT
);
193 offset
= fdt_subnode_offset(blob
, 0, "interrupt-controller@1400000");
195 printf("WARNING: fdt_subnode_offset can't find node %s: %s\n",
196 "interrupt-controller@1400000", fdt_strerror(offset
));
200 /* Fixup gic node align with 64K */
202 reg
[0] = cpu_to_fdt64(GICD_BASE_64K
);
203 reg
[1] = cpu_to_fdt64(GICD_SIZE_64K
);
204 reg
[2] = cpu_to_fdt64(GICC_BASE_64K
);
205 reg
[3] = cpu_to_fdt64(GICC_SIZE_64K
);
206 reg
[4] = cpu_to_fdt64(GICH_BASE_64K
);
207 reg
[5] = cpu_to_fdt64(GICH_SIZE_64K
);
208 reg
[6] = cpu_to_fdt64(GICV_BASE_64K
);
209 reg
[7] = cpu_to_fdt64(GICV_SIZE_64K
);
211 /* Fixup gic node align with default */
212 reg
[0] = cpu_to_fdt64(GICD_BASE
);
213 reg
[1] = cpu_to_fdt64(GICD_SIZE
);
214 reg
[2] = cpu_to_fdt64(GICC_BASE
);
215 reg
[3] = cpu_to_fdt64(GICC_SIZE
);
216 reg
[4] = cpu_to_fdt64(GICH_BASE
);
217 reg
[5] = cpu_to_fdt64(GICH_SIZE
);
218 reg
[6] = cpu_to_fdt64(GICV_BASE
);
219 reg
[7] = cpu_to_fdt64(GICV_SIZE
);
222 err
= fdt_setprop(blob
, offset
, "reg", reg
, sizeof(reg
));
224 printf("WARNING: fdt_setprop can't set %s from node %s: %s\n",
225 "reg", "interrupt-controller@1400000",
234 #ifdef CONFIG_HAS_FEATURE_ENHANCED_MSI
235 static int _fdt_fixup_msi_node(void *blob
, const char *name
,
236 int irq_0
, int irq_1
, int rev
)
238 int err
, offset
, len
;
242 offset
= fdt_path_offset(blob
, name
);
244 printf("WARNING: fdt_path_offset can't find path %s: %s\n",
245 name
, fdt_strerror(offset
));
249 /*fixup the property of interrupts*/
251 tmp
[0][0] = cpu_to_fdt32(0x0);
252 tmp
[0][1] = cpu_to_fdt32(irq_0
);
253 tmp
[0][2] = cpu_to_fdt32(0x4);
256 tmp
[1][0] = cpu_to_fdt32(0x0);
257 tmp
[1][1] = cpu_to_fdt32(irq_1
);
258 tmp
[1][2] = cpu_to_fdt32(0x4);
259 tmp
[2][0] = cpu_to_fdt32(0x0);
260 tmp
[2][1] = cpu_to_fdt32(irq_1
+ 1);
261 tmp
[2][2] = cpu_to_fdt32(0x4);
262 tmp
[3][0] = cpu_to_fdt32(0x0);
263 tmp
[3][1] = cpu_to_fdt32(irq_1
+ 2);
264 tmp
[3][2] = cpu_to_fdt32(0x4);
267 len
= sizeof(tmp
[0]);
270 err
= fdt_setprop(blob
, offset
, "interrupts", tmp
, len
);
272 printf("WARNING: fdt_setprop can't set %s from node %s: %s\n",
273 "interrupts", name
, fdt_strerror(err
));
277 /*fixup the property of reg*/
278 p
= (char *)fdt_getprop(blob
, offset
, "reg", &len
);
280 printf("WARNING: fdt_getprop can't get %s from node %s\n",
285 memcpy((char *)tmp
, p
, len
);
288 *((u32
*)tmp
+ 3) = cpu_to_fdt32(0x1000);
290 *((u32
*)tmp
+ 3) = cpu_to_fdt32(0x8);
292 err
= fdt_setprop(blob
, offset
, "reg", tmp
, len
);
294 printf("WARNING: fdt_setprop can't set %s from node %s: %s\n",
295 "reg", name
, fdt_strerror(err
));
299 /*fixup the property of compatible*/
301 err
= fdt_setprop_string(blob
, offset
, "compatible",
302 "fsl,ls1043a-v1.1-msi");
304 err
= fdt_setprop_string(blob
, offset
, "compatible",
307 printf("WARNING: fdt_setprop can't set %s from node %s: %s\n",
308 "compatible", name
, fdt_strerror(err
));
315 static int _fdt_fixup_pci_msi(void *blob
, const char *name
, int rev
)
317 int offset
, len
, err
;
322 offset
= fdt_path_offset(blob
, name
);
324 printf("WARNING: fdt_path_offset can't find path %s: %s\n",
325 name
, fdt_strerror(offset
));
329 p
= (char *)fdt_getprop(blob
, offset
, "interrupt-map", &len
);
330 if (!p
|| len
!= sizeof(tmp
)) {
331 printf("WARNING: fdt_getprop can't get %s from node %s\n",
332 "interrupt-map", name
);
336 memcpy((char *)tmp
, p
, len
);
338 val
= fdt32_to_cpu(tmp
[0][6]);
340 tmp
[1][6] = cpu_to_fdt32(val
+ 1);
341 tmp
[2][6] = cpu_to_fdt32(val
+ 2);
342 tmp
[3][6] = cpu_to_fdt32(val
+ 3);
344 tmp
[1][6] = cpu_to_fdt32(val
);
345 tmp
[2][6] = cpu_to_fdt32(val
);
346 tmp
[3][6] = cpu_to_fdt32(val
);
349 err
= fdt_setprop(blob
, offset
, "interrupt-map", tmp
, sizeof(tmp
));
351 printf("WARNING: fdt_setprop can't set %s from node %s: %s.\n",
352 "interrupt-map", name
, fdt_strerror(err
));
358 /* Fixup msi node for ls1043a rev1.1*/
360 static void fdt_fixup_msi(void *blob
)
362 struct ccsr_gur __iomem
*gur
= (void *)(CONFIG_SYS_FSL_GUTS_ADDR
);
365 rev
= gur_in32(&gur
->svr
);
367 if (!IS_SVR_DEV(rev
, SVR_DEV(SVR_LS1043A
)))
372 _fdt_fixup_msi_node(blob
, "/soc/msi-controller1@1571000",
374 _fdt_fixup_msi_node(blob
, "/soc/msi-controller2@1572000",
376 _fdt_fixup_msi_node(blob
, "/soc/msi-controller3@1573000",
379 _fdt_fixup_pci_msi(blob
, "/soc/pcie@3400000", rev
);
380 _fdt_fixup_pci_msi(blob
, "/soc/pcie@3500000", rev
);
381 _fdt_fixup_pci_msi(blob
, "/soc/pcie@3600000", rev
);
385 #ifdef CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT
386 /* Remove JR node used by SEC firmware */
387 void fdt_fixup_remove_jr(void *blob
)
389 int jr_node
, addr_cells
, len
;
390 int crypto_node
= fdt_path_offset(blob
, "crypto");
391 u64 jr_offset
, used_jr
;
394 used_jr
= sec_firmware_used_jobring_offset();
395 fdt_support_default_count_cells(blob
, crypto_node
, &addr_cells
, NULL
);
397 jr_node
= fdt_node_offset_by_compatible(blob
, crypto_node
,
398 "fsl,sec-v4.0-job-ring");
400 while (jr_node
!= -FDT_ERR_NOTFOUND
) {
401 reg
= (fdt32_t
*)fdt_getprop(blob
, jr_node
, "reg", &len
);
402 jr_offset
= fdt_read_number(reg
, addr_cells
);
403 if (jr_offset
== used_jr
) {
404 fdt_del_node(blob
, jr_node
);
407 jr_node
= fdt_node_offset_by_compatible(blob
, jr_node
,
408 "fsl,sec-v4.0-job-ring");
413 #ifdef CONFIG_ARCH_LS1028A
414 static void fdt_disable_multimedia(void *blob
, unsigned int svr
)
418 if (IS_MULTIMEDIA_EN(svr
))
421 /* Disable eDP/LCD node */
422 off
= fdt_node_offset_by_compatible(blob
, -1, "arm,mali-dp500");
423 if (off
!= -FDT_ERR_NOTFOUND
)
424 fdt_status_disabled(blob
, off
);
426 /* Disable GPU node */
427 off
= fdt_node_offset_by_compatible(blob
, -1, "fsl,ls1028a-gpu");
428 if (off
!= -FDT_ERR_NOTFOUND
)
429 fdt_status_disabled(blob
, off
);
433 #ifdef CONFIG_PCIE_ECAM_GENERIC
434 __weak
void fdt_fixup_ecam(void *blob
)
439 void ft_cpu_setup(void *blob
, bd_t
*bd
)
441 struct ccsr_gur __iomem
*gur
= (void *)(CONFIG_SYS_FSL_GUTS_ADDR
);
442 unsigned int svr
= gur_in32(&gur
->svr
);
444 /* delete crypto node if not on an E-processor */
445 if (!IS_E_PROCESSOR(svr
))
446 fdt_fixup_crypto_node(blob
, 0);
447 #if CONFIG_SYS_FSL_SEC_COMPAT >= 4
449 ccsr_sec_t __iomem
*sec
;
451 #ifdef CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT
452 fdt_fixup_remove_jr(blob
);
453 fdt_fixup_kaslr(blob
);
456 sec
= (void __iomem
*)CONFIG_SYS_FSL_SEC_ADDR
;
457 fdt_fixup_crypto_node(blob
, sec_in32(&sec
->secvid_ms
));
465 #ifdef CONFIG_SYS_NS16550
466 do_fixup_by_compat_u32(blob
, "fsl,ns16550",
467 "clock-frequency", CONFIG_SYS_NS16550_CLK
, 1);
470 do_fixup_by_path_u32(blob
, "/sysclk", "clock-frequency",
471 CONFIG_SYS_CLK_FREQ
, 1);
473 #ifdef CONFIG_GIC_V3_ITS
474 ls_gic_rd_tables_init(blob
);
477 #if defined(CONFIG_PCIE_LAYERSCAPE) || defined(CONFIG_PCIE_LAYERSCAPE_GEN4)
478 ft_pci_setup(blob
, bd
);
481 #ifdef CONFIG_FSL_ESDHC
482 fdt_fixup_esdhc(blob
, bd
);
485 #ifdef CONFIG_SYS_DPAA_QBMAN
486 fdt_fixup_bportals(blob
);
487 fdt_fixup_qportals(blob
);
488 do_fixup_by_compat_u32(blob
, "fsl,qman",
489 "clock-frequency", get_qman_freq(), 1);
492 #ifdef CONFIG_SYS_DPAA_FMAN
493 fdt_fixup_fman_firmware(blob
);
495 #ifndef CONFIG_ARCH_LS1012A
496 fsl_fdt_disable_usb(blob
);
498 #ifdef CONFIG_HAS_FEATURE_GIC64K_ALIGN
501 #ifdef CONFIG_HAS_FEATURE_ENHANCED_MSI
504 #ifdef CONFIG_ARCH_LS1028A
505 fdt_disable_multimedia(blob
, svr
);
507 #ifdef CONFIG_PCIE_ECAM_GENERIC
508 fdt_fixup_ecam(blob
);