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33e33780 JB |
1 | // SPDX-License-Identifier: GPL-2.0+ |
2 | /* | |
3 | * (C) Copyright 2016 Beniamino Galvani <b.galvani@gmail.com> | |
4 | */ | |
5 | ||
d678a59d | 6 | #include <common.h> |
9a3b4ceb | 7 | #include <cpu_func.h> |
851737ab | 8 | #include <fastboot.h> |
5255932f | 9 | #include <init.h> |
90526e9f | 10 | #include <net.h> |
d96a782d | 11 | #include <asm/arch/boot.h> |
9fb625ce | 12 | #include <env.h> |
90526e9f | 13 | #include <asm/cache.h> |
401d1c4f | 14 | #include <asm/global_data.h> |
25a5818f | 15 | #include <asm/ptrace.h> |
33e33780 JB |
16 | #include <linux/libfdt.h> |
17 | #include <linux/err.h> | |
18 | #include <asm/arch/mem.h> | |
19 | #include <asm/arch/sm.h> | |
20 | #include <asm/armv8/mmu.h> | |
21 | #include <asm/unaligned.h> | |
22 | #include <efi_loader.h> | |
3db71108 | 23 | #include <u-boot/crc.h> |
33e33780 | 24 | |
9a34dedf | 25 | #include <asm/psci.h> |
9a34dedf | 26 | |
33e33780 JB |
27 | DECLARE_GLOBAL_DATA_PTR; |
28 | ||
b890acc7 JB |
29 | __weak int board_init(void) |
30 | { | |
31 | return 0; | |
32 | } | |
33 | ||
33e33780 JB |
34 | int dram_init(void) |
35 | { | |
36 | const fdt64_t *val; | |
37 | int offset; | |
38 | int len; | |
39 | ||
40 | offset = fdt_path_offset(gd->fdt_blob, "/memory"); | |
41 | if (offset < 0) | |
42 | return -EINVAL; | |
43 | ||
44 | val = fdt_getprop(gd->fdt_blob, offset, "reg", &len); | |
45 | if (len < sizeof(*val) * 2) | |
46 | return -EINVAL; | |
47 | ||
48 | /* Use unaligned access since cache is still disabled */ | |
49 | gd->ram_size = get_unaligned_be64(&val[1]); | |
50 | ||
51 | return 0; | |
52 | } | |
53 | ||
b75d8dc5 | 54 | __weak int meson_ft_board_setup(void *blob, struct bd_info *bd) |
b890acc7 JB |
55 | { |
56 | return 0; | |
57 | } | |
58 | ||
b75d8dc5 | 59 | int ft_board_setup(void *blob, struct bd_info *bd) |
b890acc7 JB |
60 | { |
61 | meson_init_reserved_memory(blob); | |
62 | ||
63 | return meson_ft_board_setup(blob, bd); | |
64 | } | |
65 | ||
33e33780 JB |
66 | void meson_board_add_reserved_memory(void *fdt, u64 start, u64 size) |
67 | { | |
68 | int ret; | |
69 | ||
70 | ret = fdt_add_mem_rsv(fdt, start, size); | |
71 | if (ret) | |
72 | printf("Could not reserve zone @ 0x%llx\n", start); | |
73 | ||
714497e3 MW |
74 | if (IS_ENABLED(CONFIG_EFI_LOADER)) |
75 | efi_add_memory_map(start, size, EFI_RESERVED_MEMORY_TYPE); | |
33e33780 JB |
76 | } |
77 | ||
dad258fa NA |
78 | int meson_generate_serial_ethaddr(void) |
79 | { | |
80 | u8 mac_addr[ARP_HLEN]; | |
81 | char serial[SM_SERIAL_SIZE]; | |
82 | u32 sid; | |
83 | u16 sid16; | |
84 | ||
85 | if (!meson_sm_get_serial(serial, SM_SERIAL_SIZE)) { | |
86 | sid = crc32(0, (unsigned char *)serial, SM_SERIAL_SIZE); | |
87 | sid16 = crc16_ccitt(0, (unsigned char *)serial, SM_SERIAL_SIZE); | |
88 | ||
89 | /* Ensure the NIC specific bytes of the mac are not all 0 */ | |
90 | if ((sid & 0xffffff) == 0) | |
91 | sid |= 0x800000; | |
92 | ||
93 | /* Non OUI / registered MAC address */ | |
94 | mac_addr[0] = ((sid16 >> 8) & 0xfc) | 0x02; | |
95 | mac_addr[1] = (sid16 >> 0) & 0xff; | |
96 | mac_addr[2] = (sid >> 24) & 0xff; | |
97 | mac_addr[3] = (sid >> 16) & 0xff; | |
98 | mac_addr[4] = (sid >> 8) & 0xff; | |
99 | mac_addr[5] = (sid >> 0) & 0xff; | |
100 | ||
101 | eth_env_set_enetaddr("ethaddr", mac_addr); | |
102 | } else | |
103 | return -EINVAL; | |
104 | ||
105 | return 0; | |
106 | } | |
107 | ||
d96a782d NA |
108 | static void meson_set_boot_source(void) |
109 | { | |
110 | const char *source; | |
111 | ||
112 | switch (meson_get_boot_device()) { | |
113 | case BOOT_DEVICE_EMMC: | |
114 | source = "emmc"; | |
115 | break; | |
116 | ||
117 | case BOOT_DEVICE_NAND: | |
118 | source = "nand"; | |
119 | break; | |
120 | ||
121 | case BOOT_DEVICE_SPI: | |
122 | source = "spi"; | |
123 | break; | |
124 | ||
125 | case BOOT_DEVICE_SD: | |
126 | source = "sd"; | |
127 | break; | |
128 | ||
129 | case BOOT_DEVICE_USB: | |
130 | source = "usb"; | |
131 | break; | |
132 | ||
133 | default: | |
134 | source = "unknown"; | |
135 | } | |
136 | ||
137 | env_set("boot_source", source); | |
138 | } | |
139 | ||
140 | __weak int meson_board_late_init(void) | |
141 | { | |
142 | return 0; | |
143 | } | |
144 | ||
145 | int board_late_init(void) | |
146 | { | |
147 | meson_set_boot_source(); | |
148 | ||
149 | return meson_board_late_init(); | |
150 | } | |
151 | ||
35b65dd8 | 152 | void reset_cpu(void) |
33e33780 JB |
153 | { |
154 | psci_system_reset(); | |
155 | } |