1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (c) 2016 Toradex, Inc.
9 #include <linux/libfdt.h>
11 #include "tdx-cfg-block.h"
12 #include <asm/setup.h>
13 #include "tdx-common.h"
15 #define TORADEX_OUI 0x00142dUL
17 #ifdef CONFIG_TDX_CFG_BLOCK
18 static char tdx_serial_str[9];
19 static char tdx_board_rev_str[6];
21 #ifdef CONFIG_REVISION_TAG
22 u32 get_board_rev(void)
25 if (!tdx_hw_tag.ver_major)
28 return ((tdx_hw_tag.ver_major & 0xff) << 8) |
29 ((tdx_hw_tag.ver_minor & 0xf) << 4) |
30 ((tdx_hw_tag.ver_assembly & 0xf) + 0xa);
32 #endif /* CONFIG_TDX_CFG_BLOCK */
34 #ifdef CONFIG_SERIAL_TAG
35 void get_board_serial(struct tag_serialnr *serialnr)
38 unsigned int serial = tdx_serial;
47 * Convert to Linux serial number format (hexadecimal coded
52 array[i--] = serial % 10;
58 for (i = 1; i < 8; i++) {
63 serialnr->low = serial;
66 #endif /* CONFIG_SERIAL_TAG */
68 int show_board_info(void)
70 unsigned char ethaddr[6];
72 if (read_tdx_cfg_block()) {
73 printf("MISSING TORADEX CONFIG BLOCK\n");
74 tdx_eth_addr.oui = htonl(TORADEX_OUI << 8);
75 tdx_eth_addr.nic = htonl(tdx_serial << 8);
78 sprintf(tdx_serial_str, "%08u", tdx_serial);
79 sprintf(tdx_board_rev_str, "V%1d.%1d%c",
82 (char)tdx_hw_tag.ver_assembly + 'A');
84 env_set("serial#", tdx_serial_str);
86 printf("Model: Toradex %s %s, Serial# %s\n",
87 toradex_modules[tdx_hw_tag.prodid],
93 * Check if environment contains a valid MAC address,
94 * set the one from config block if not
96 if (!eth_env_get_enetaddr("ethaddr", ethaddr))
97 eth_env_set_enetaddr("ethaddr", (u8 *)&tdx_eth_addr);
99 #ifdef CONFIG_TDX_CFG_BLOCK_2ND_ETHADDR
100 if (!eth_env_get_enetaddr("eth1addr", ethaddr)) {
102 * Secondary MAC address is allocated from block
103 * 0x100000 higher then the first MAC address
105 memcpy(ethaddr, &tdx_eth_addr, 6);
107 eth_env_set_enetaddr("eth1addr", ethaddr);
114 #ifdef CONFIG_USB_GADGET_DOWNLOAD
115 int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
117 unsigned short usb_pid;
119 usb_pid = TORADEX_USB_PRODUCT_NUM_OFFSET + tdx_hw_tag.prodid;
120 put_unaligned(usb_pid, &dev->idProduct);
126 #if defined(CONFIG_OF_LIBFDT)
127 int ft_common_board_setup(void *blob, bd_t *bd)
130 fdt_setprop(blob, 0, "serial-number", tdx_serial_str,
131 strlen(tdx_serial_str) + 1);
134 if (tdx_hw_tag.ver_major) {
137 sprintf(prod_id, "%04u", tdx_hw_tag.prodid);
138 fdt_setprop(blob, 0, "toradex,product-id", prod_id, 5);
140 fdt_setprop(blob, 0, "toradex,board-rev", tdx_board_rev_str,
141 strlen(tdx_board_rev_str) + 1);
148 #else /* CONFIG_TDX_CFG_BLOCK */
150 #ifdef CONFIG_REVISION_TAG
151 u32 get_board_rev(void)
155 #endif /* CONFIG_REVISION_TAG */
157 #ifdef CONFIG_SERIAL_TAG
158 u32 get_board_serial(void)
162 #endif /* CONFIG_SERIAL_TAG */
164 int ft_common_board_setup(void *blob, bd_t *bd)
169 #endif /* CONFIG_TDX_CFG_BLOCK */