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 
24 int fdt_fixup_phy_connection(void *blob, int offset, phy_interface_t phyc)
25 {
26 	return fdt_setprop_string(blob, offset, "phy-connection-type",
27 					 phy_string_for_interface(phyc));
28 }
29 
30 #ifdef CONFIG_MP
31 void ft_fixup_cpu(void *blob)
32 {
33 	int off;
34 	__maybe_unused u64 spin_tbl_addr = (u64)get_spin_tbl_addr();
35 	fdt32_t *reg;
36 	int addr_cells;
37 	u64 val, core_id;
38 	size_t *boot_code_size = &(__secondary_boot_code_size);
39 
40 	off = fdt_path_offset(blob, "/cpus");
41 	if (off < 0) {
42 		puts("couldn't find /cpus node\n");
43 		return;
44 	}
45 	of_bus_default_count_cells(blob, off, &addr_cells, NULL);
46 
47 	off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
48 	while (off != -FDT_ERR_NOTFOUND) {
49 		reg = (fdt32_t *)fdt_getprop(blob, off, "reg", 0);
50 		if (reg) {
51 			core_id = of_read_number(reg, addr_cells);
52 			if (core_id  == 0 || (is_core_online(core_id))) {
53 				val = spin_tbl_addr;
54 				val += id_to_core(core_id) *
55 				       SPIN_TABLE_ELEM_SIZE;
56 				val = cpu_to_fdt64(val);
57 				fdt_setprop_string(blob, off, "enable-method",
58 						   "spin-table");
59 				fdt_setprop(blob, off, "cpu-release-addr",
60 					    &val, sizeof(val));
61 			} else {
62 				debug("skipping offline core\n");
63 			}
64 		} else {
65 			puts("Warning: found cpu node without reg property\n");
66 		}
67 		off = fdt_node_offset_by_prop_value(blob, off, "device_type",
68 						    "cpu", 4);
69 	}
70 
71 	fdt_add_mem_rsv(blob, (uintptr_t)&secondary_boot_code,
72 			*boot_code_size);
73 }
74 #endif
75 
76 void ft_cpu_setup(void *blob, bd_t *bd)
77 {
78 #ifdef CONFIG_MP
79 	ft_fixup_cpu(blob);
80 #endif
81 
82 #ifdef CONFIG_SYS_NS16550
83 	do_fixup_by_compat_u32(blob, "fsl,ns16550",
84 			       "clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
85 #endif
86 
87 	do_fixup_by_compat_u32(blob, "fixed-clock",
88 			       "clock-frequency", CONFIG_SYS_CLK_FREQ, 1);
89 
90 #ifdef CONFIG_PCI
91 	ft_pci_setup(blob, bd);
92 #endif
93 
94 #ifdef CONFIG_FSL_ESDHC
95 	fdt_fixup_esdhc(blob, bd);
96 #endif
97 
98 #ifdef CONFIG_SYS_DPAA_FMAN
99 	fdt_fixup_fman_firmware(blob);
100 #endif
101 }
102