1 /*
2  * Copyright 2014-2015 Freescale Semiconductor, Inc.
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #include <common.h>
8 #include <libfdt.h>
9 #include <fdt_support.h>
10 #include <phy.h>
11 #ifdef CONFIG_FSL_LSCH3
12 #include <asm/arch/fdt.h>
13 #endif
14 #ifdef CONFIG_FSL_ESDHC
15 #include <fsl_esdhc.h>
16 #endif
17 #ifdef CONFIG_SYS_DPAA_FMAN
18 #include <fsl_fman.h>
19 #endif
20 #ifdef CONFIG_MP
21 #include <asm/arch/mp.h>
22 #endif
23 #include <fsl_sec.h>
24 #include <asm/arch-fsl-layerscape/soc.h>
25 
26 int fdt_fixup_phy_connection(void *blob, int offset, phy_interface_t phyc)
27 {
28 	return fdt_setprop_string(blob, offset, "phy-connection-type",
29 					 phy_string_for_interface(phyc));
30 }
31 
32 #ifdef CONFIG_MP
33 void ft_fixup_cpu(void *blob)
34 {
35 	int off;
36 	__maybe_unused u64 spin_tbl_addr = (u64)get_spin_tbl_addr();
37 	fdt32_t *reg;
38 	int addr_cells;
39 	u64 val, core_id;
40 	size_t *boot_code_size = &(__secondary_boot_code_size);
41 
42 	off = fdt_path_offset(blob, "/cpus");
43 	if (off < 0) {
44 		puts("couldn't find /cpus node\n");
45 		return;
46 	}
47 	of_bus_default_count_cells(blob, off, &addr_cells, NULL);
48 
49 	off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
50 	while (off != -FDT_ERR_NOTFOUND) {
51 		reg = (fdt32_t *)fdt_getprop(blob, off, "reg", 0);
52 		if (reg) {
53 			core_id = of_read_number(reg, addr_cells);
54 			if (core_id  == 0 || (is_core_online(core_id))) {
55 				val = spin_tbl_addr;
56 				val += id_to_core(core_id) *
57 				       SPIN_TABLE_ELEM_SIZE;
58 				val = cpu_to_fdt64(val);
59 				fdt_setprop_string(blob, off, "enable-method",
60 						   "spin-table");
61 				fdt_setprop(blob, off, "cpu-release-addr",
62 					    &val, sizeof(val));
63 			} else {
64 				debug("skipping offline core\n");
65 			}
66 		} else {
67 			puts("Warning: found cpu node without reg property\n");
68 		}
69 		off = fdt_node_offset_by_prop_value(blob, off, "device_type",
70 						    "cpu", 4);
71 	}
72 
73 	fdt_add_mem_rsv(blob, (uintptr_t)&secondary_boot_code,
74 			*boot_code_size);
75 }
76 #endif
77 
78 void ft_cpu_setup(void *blob, bd_t *bd)
79 {
80 #ifdef CONFIG_FSL_LSCH2
81 	struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
82 	unsigned int svr = in_be32(&gur->svr);
83 
84 	/* delete crypto node if not on an E-processor */
85 	if (!IS_E_PROCESSOR(svr))
86 		fdt_fixup_crypto_node(blob, 0);
87 #if CONFIG_SYS_FSL_SEC_COMPAT >= 4
88 	else {
89 		ccsr_sec_t __iomem *sec;
90 
91 		sec = (void __iomem *)CONFIG_SYS_FSL_SEC_ADDR;
92 		fdt_fixup_crypto_node(blob, sec_in32(&sec->secvid_ms));
93 	}
94 #endif
95 #endif
96 
97 #ifdef CONFIG_MP
98 	ft_fixup_cpu(blob);
99 #endif
100 
101 #ifdef CONFIG_SYS_NS16550
102 	do_fixup_by_compat_u32(blob, "fsl,ns16550",
103 			       "clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
104 #endif
105 
106 	do_fixup_by_compat_u32(blob, "fixed-clock",
107 			       "clock-frequency", CONFIG_SYS_CLK_FREQ, 1);
108 
109 #ifdef CONFIG_PCI
110 	ft_pci_setup(blob, bd);
111 #endif
112 
113 #ifdef CONFIG_FSL_ESDHC
114 	fdt_fixup_esdhc(blob, bd);
115 #endif
116 
117 #ifdef CONFIG_SYS_DPAA_FMAN
118 	fdt_fixup_fman_firmware(blob);
119 #endif
120 }
121