1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright 2020 Broadcom
4 */
5
6 #include <command.h>
7 #include <env.h>
8 #include <vsprintf.h>
9
10 #define FW_IMAGE_SIG 0xff123456
11 #define CFG_IMAGE_SIG 0xcf54321a
12
13 /*
14 * structure for bin file
15 * signature: fw itb file
16 * size: fw itb file
17 * signature: NS3 config file
18 * size: NS3 config file
19 * Data: fw itb file
20 * ............................
21 * ............................
22 * Data: NS3 config file
23 * ............................
24 * ............................
25 */
26
27 static struct img_header {
28 u32 bin_sig;
29 u32 bin_size;
30 u32 cfg1_sig;
31 u32 cfg1_size;
32 } *img_header;
33
env_set_val(const char * varname,ulong val)34 static int env_set_val(const char *varname, ulong val)
35 {
36 int ret;
37
38 ret = env_set_hex(varname, val);
39 if (ret)
40 pr_err("Failed to %s env var\n", varname);
41
42 return ret;
43 }
44
do_spi_images_addr(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])45 static int do_spi_images_addr(struct cmd_tbl *cmdtp, int flag, int argc,
46 char *const argv[])
47 {
48 uintptr_t images_load_addr;
49 uintptr_t spi_load_addr;
50 u32 len;
51 u32 spi_data_offset = sizeof(struct img_header);
52
53 if (argc != 3)
54 return CMD_RET_USAGE;
55
56 /* convert command parameter to fastboot address (base 16), i.e. hex */
57 images_load_addr = hextoul(argv[1], NULL);
58 if (!images_load_addr) {
59 pr_err("Invalid load address\n");
60 return CMD_RET_USAGE;
61 }
62
63 spi_load_addr = hextoul(argv[2], NULL);
64 if (!spi_load_addr) {
65 pr_err("Invalid spi load address\n");
66 return CMD_RET_USAGE;
67 }
68
69 img_header = (struct img_header *)images_load_addr;
70
71 if (img_header->bin_sig != FW_IMAGE_SIG) {
72 pr_err("Invalid Nitro bin file\n");
73 goto error;
74 }
75
76 if (env_set_val("spi_nitro_fw_itb_start_addr", 0))
77 goto error;
78
79 if (env_set_val("spi_nitro_fw_itb_len", 0))
80 goto error;
81
82 if (env_set_val("spi_nitro_fw_ns3_cfg_start_addr", 0))
83 goto error;
84
85 if (env_set_val("spi_nitro_fw_ns3_cfg_len", 0))
86 goto error;
87
88 len = img_header->bin_size;
89
90 if (env_set_val("spi_nitro_fw_itb_start_addr",
91 (spi_load_addr + spi_data_offset)))
92 goto error;
93
94 if (env_set_val("spi_nitro_fw_itb_len", img_header->bin_size))
95 goto error;
96
97 spi_data_offset += len;
98
99 if (img_header->cfg1_sig == CFG_IMAGE_SIG) {
100 len = img_header->cfg1_size;
101
102 if (env_set_val("spi_nitro_fw_ns3_cfg_start_addr",
103 (spi_load_addr + spi_data_offset)))
104 goto error;
105
106 if (env_set_val("spi_nitro_fw_ns3_cfg_len", len))
107 goto error;
108
109 spi_data_offset += len;
110 }
111
112 /* disable secure boot */
113 if (env_set_val("nitro_fastboot_secure", 0))
114 goto error;
115
116 return CMD_RET_SUCCESS;
117
118 error:
119 return CMD_RET_FAILURE;
120 }
121
122 U_BOOT_CMD
123 (spi_nitro_images_addr, 3, 1, do_spi_images_addr,
124 "Load the bnxt bin header and sets envs ",
125 "spi_nitro_images_addr <load_addr> <spi_base_addr>\n"
126 );
127