1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright 2020 Broadcom
4 */
5
6 #include <common.h>
7 #include <command.h>
8
9 #define FW_IMAGE_SIG 0xff123456
10 #define CFG_IMAGE_SIG 0xcf54321a
11
12 /*
13 * structure for bin file
14 * signature: fw itb file
15 * size: fw itb file
16 * signature: NS3 config file
17 * size: NS3 config file
18 * Data: fw itb file
19 * ............................
20 * ............................
21 * Data: NS3 config file
22 * ............................
23 * ............................
24 */
25
26 static struct img_header {
27 u32 bin_sig;
28 u32 bin_size;
29 u32 cfg1_sig;
30 u32 cfg1_size;
31 } *img_header;
32
env_set_val(const char * varname,ulong val)33 static int env_set_val(const char *varname, ulong val)
34 {
35 int ret;
36
37 ret = env_set_hex(varname, val);
38 if (ret)
39 pr_err("Failed to %s env var\n", varname);
40
41 return ret;
42 }
43
do_spi_images_addr(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])44 static int do_spi_images_addr(struct cmd_tbl *cmdtp, int flag, int argc,
45 char *const argv[])
46 {
47 uintptr_t images_load_addr;
48 uintptr_t spi_load_addr;
49 u32 len;
50 u32 spi_data_offset = sizeof(struct img_header);
51
52 if (argc != 3)
53 return CMD_RET_USAGE;
54
55 /* convert command parameter to fastboot address (base 16), i.e. hex */
56 images_load_addr = simple_strtoul(argv[1], NULL, 16);
57 if (!images_load_addr) {
58 pr_err("Invalid load address\n");
59 return CMD_RET_USAGE;
60 }
61
62 spi_load_addr = simple_strtoul(argv[2], NULL, 16);
63 if (!spi_load_addr) {
64 pr_err("Invalid spi load address\n");
65 return CMD_RET_USAGE;
66 }
67
68 img_header = (struct img_header *)images_load_addr;
69
70 if (img_header->bin_sig != FW_IMAGE_SIG) {
71 pr_err("Invalid Nitro bin file\n");
72 goto error;
73 }
74
75 if (env_set_val("spi_nitro_fw_itb_start_addr", 0))
76 goto error;
77
78 if (env_set_val("spi_nitro_fw_itb_len", 0))
79 goto error;
80
81 if (env_set_val("spi_nitro_fw_ns3_cfg_start_addr", 0))
82 goto error;
83
84 if (env_set_val("spi_nitro_fw_ns3_cfg_len", 0))
85 goto error;
86
87 len = img_header->bin_size;
88
89 if (env_set_val("spi_nitro_fw_itb_start_addr",
90 (spi_load_addr + spi_data_offset)))
91 goto error;
92
93 if (env_set_val("spi_nitro_fw_itb_len", img_header->bin_size))
94 goto error;
95
96 spi_data_offset += len;
97
98 if (img_header->cfg1_sig == CFG_IMAGE_SIG) {
99 len = img_header->cfg1_size;
100
101 if (env_set_val("spi_nitro_fw_ns3_cfg_start_addr",
102 (spi_load_addr + spi_data_offset)))
103 goto error;
104
105 if (env_set_val("spi_nitro_fw_ns3_cfg_len", len))
106 goto error;
107
108 spi_data_offset += len;
109 }
110
111 /* disable secure boot */
112 if (env_set_val("nitro_fastboot_secure", 0))
113 goto error;
114
115 return CMD_RET_SUCCESS;
116
117 error:
118 return CMD_RET_FAILURE;
119 }
120
121 U_BOOT_CMD
122 (spi_nitro_images_addr, 3, 1, do_spi_images_addr,
123 "Load the bnxt bin header and sets envs ",
124 "spi_nitro_images_addr <load_addr> <spi_base_addr>\n"
125 );
126