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
26static struct img_header {
27	u32 bin_sig;
28	u32 bin_size;
29	u32 cfg1_sig;
30	u32 cfg1_size;
31} *img_header;
32
33static 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
44static 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 = hextoul(argv[1], NULL);
57	if (!images_load_addr) {
58		pr_err("Invalid load address\n");
59		return CMD_RET_USAGE;
60	}
61
62	spi_load_addr = hextoul(argv[2], NULL);
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
117error:
118	return CMD_RET_FAILURE;
119}
120
121U_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