1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (c) 2016 Toradex, Inc.
10 #include <linux/libfdt.h>
12 #ifdef CONFIG_DM_VIDEO
19 #include "tdx-cfg-block.h"
20 #include <asm/setup.h>
21 #include "tdx-common.h"
23 #define SERIAL_STR_LEN 8
24 #define MODULE_VER_STR_LEN 4 // V1.1
25 #define MODULE_REV_STR_LEN 3 // [A-Z] or #[26-99]
27 #ifdef CONFIG_TDX_CFG_BLOCK
28 static char tdx_serial_str[SERIAL_STR_LEN + 1];
29 static char tdx_board_rev_str[MODULE_VER_STR_LEN + MODULE_REV_STR_LEN + 1];
31 #ifdef CONFIG_TDX_CFG_BLOCK_EXTRA
32 static char tdx_car_serial_str[SERIAL_STR_LEN + 1];
33 static char tdx_car_rev_str[MODULE_VER_STR_LEN + MODULE_REV_STR_LEN + 1];
34 static char *tdx_carrier_board_name;
37 #if defined(CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG)
38 u32 get_board_revision(void)
41 if (!tdx_hw_tag.ver_major)
44 return ((tdx_hw_tag.ver_major & 0xff) << 8) |
45 ((tdx_hw_tag.ver_minor & 0xf) << 4) |
46 ((tdx_hw_tag.ver_assembly & 0xf) + 0xa);
48 #endif /* CONFIG_TDX_CFG_BLOCK */
50 #ifdef CONFIG_SERIAL_TAG
51 void get_board_serial(struct tag_serialnr *serialnr)
54 unsigned int serial = tdx_serial;
63 * Convert to Linux serial number format (hexadecimal coded
68 array[i--] = serial % 10;
74 for (i = 1; i < 8; i++) {
79 serialnr->low = serial;
82 #endif /* CONFIG_SERIAL_TAG */
84 static const char *get_board_assembly(u16 ver_assembly)
86 static char ver_name[MODULE_REV_STR_LEN + 1];
88 if (ver_assembly < 26) {
89 ver_name[0] = (char)ver_assembly + 'A';
92 snprintf(ver_name, sizeof(ver_name),
99 int show_board_info(void)
101 unsigned char ethaddr[6];
103 if (read_tdx_cfg_block()) {
104 printf("MISSING TORADEX CONFIG BLOCK\n");
105 get_mac_from_serial(tdx_serial, &tdx_eth_addr);
108 snprintf(tdx_serial_str, sizeof(tdx_serial_str),
110 snprintf(tdx_board_rev_str, sizeof(tdx_board_rev_str),
112 tdx_hw_tag.ver_major,
113 tdx_hw_tag.ver_minor,
114 get_board_assembly(tdx_hw_tag.ver_assembly));
116 env_set("serial#", tdx_serial_str);
118 printf("Model: Toradex %s %s, Serial# %s\n",
119 toradex_modules[tdx_hw_tag.prodid].name,
122 #ifdef CONFIG_TDX_CFG_BLOCK_EXTRA
123 if (read_tdx_cfg_block_carrier()) {
124 printf("MISSING TORADEX CARRIER CONFIG BLOCKS\n");
125 try_migrate_tdx_cfg_block_carrier();
127 tdx_carrier_board_name = (char *)
128 toradex_carrier_boards[tdx_car_hw_tag.prodid];
130 snprintf(tdx_car_serial_str, sizeof(tdx_car_serial_str),
131 "%08u", tdx_car_serial);
132 snprintf(tdx_car_rev_str, sizeof(tdx_car_rev_str),
134 tdx_car_hw_tag.ver_major,
135 tdx_car_hw_tag.ver_minor,
136 get_board_assembly(tdx_car_hw_tag.ver_assembly));
138 env_set("carrier_serial#", tdx_car_serial_str);
139 printf("Carrier: Toradex %s %s, Serial# %s\n",
140 tdx_carrier_board_name,
148 * Check if environment contains a valid MAC address,
149 * set the one from config block if not
151 if (!eth_env_get_enetaddr("ethaddr", ethaddr))
152 eth_env_set_enetaddr("ethaddr", (u8 *)&tdx_eth_addr);
154 #ifdef CONFIG_TDX_CFG_BLOCK_2ND_ETHADDR
155 if (!eth_env_get_enetaddr("eth1addr", ethaddr)) {
157 * Secondary MAC address is allocated from block
158 * 0x100000 higher then the first MAC address
160 memcpy(ethaddr, &tdx_eth_addr, 6);
162 eth_env_set_enetaddr("eth1addr", ethaddr);
169 #ifdef CONFIG_TDX_CFG_BLOCK_USB_GADGET_PID
170 int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
172 unsigned short usb_pid;
174 usb_pid = TORADEX_USB_PRODUCT_NUM_OFFSET + tdx_hw_tag.prodid;
175 put_unaligned(usb_pid, &dev->idProduct);
181 #if defined(CONFIG_OF_LIBFDT)
182 int ft_common_board_setup(void *blob, struct bd_info *bd)
185 fdt_setprop(blob, 0, "serial-number", tdx_serial_str,
186 strlen(tdx_serial_str) + 1);
189 if (tdx_hw_tag.ver_major) {
192 snprintf(prod_id, sizeof(prod_id), "%04u", tdx_hw_tag.prodid);
193 fdt_setprop(blob, 0, "toradex,product-id", prod_id, 5);
195 fdt_setprop(blob, 0, "toradex,board-rev", tdx_board_rev_str,
196 strlen(tdx_board_rev_str) + 1);
203 #else /* CONFIG_TDX_CFG_BLOCK */
205 #if defined(CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG)
206 u32 get_board_revision(void)
210 #endif /* CONFIG_REVISION_TAG */
212 #ifdef CONFIG_SERIAL_TAG
213 u32 get_board_serial(void)
217 #endif /* CONFIG_SERIAL_TAG */
219 int ft_common_board_setup(void *blob, struct bd_info *bd)
224 #endif /* CONFIG_TDX_CFG_BLOCK */