1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright (c) 2016 Toradex, Inc. 4 */ 5 6 #include <common.h> 7 #include <environment.h> 8 #include <g_dnl.h> 9 #include <linux/libfdt.h> 10 11 #include "tdx-cfg-block.h" 12 #include <asm/setup.h> 13 #include "tdx-common.h" 14 15 #ifdef CONFIG_TDX_CFG_BLOCK 16 static char tdx_serial_str[9]; 17 static char tdx_board_rev_str[6]; 18 19 #ifdef CONFIG_REVISION_TAG 20 u32 get_board_rev(void) 21 { 22 /* Check validity */ 23 if (!tdx_hw_tag.ver_major) 24 return 0; 25 26 return ((tdx_hw_tag.ver_major & 0xff) << 8) | 27 ((tdx_hw_tag.ver_minor & 0xf) << 4) | 28 ((tdx_hw_tag.ver_assembly & 0xf) + 0xa); 29 } 30 #endif /* CONFIG_TDX_CFG_BLOCK */ 31 32 #ifdef CONFIG_SERIAL_TAG 33 void get_board_serial(struct tag_serialnr *serialnr) 34 { 35 int array[8]; 36 unsigned int serial = tdx_serial; 37 int i; 38 39 serialnr->low = 0; 40 serialnr->high = 0; 41 42 /* Check validity */ 43 if (serial) { 44 /* 45 * Convert to Linux serial number format (hexadecimal coded 46 * decimal) 47 */ 48 i = 7; 49 while (serial) { 50 array[i--] = serial % 10; 51 serial /= 10; 52 } 53 while (i >= 0) 54 array[i--] = 0; 55 serial = array[0]; 56 for (i = 1; i < 8; i++) { 57 serial *= 16; 58 serial += array[i]; 59 } 60 61 serialnr->low = serial; 62 } 63 } 64 #endif /* CONFIG_SERIAL_TAG */ 65 66 int show_board_info(void) 67 { 68 unsigned char ethaddr[6]; 69 70 if (read_tdx_cfg_block()) { 71 printf("Missing Toradex config block\n"); 72 checkboard(); 73 return 0; 74 } 75 76 /* board serial-number */ 77 sprintf(tdx_serial_str, "%08u", tdx_serial); 78 sprintf(tdx_board_rev_str, "V%1d.%1d%c", 79 tdx_hw_tag.ver_major, 80 tdx_hw_tag.ver_minor, 81 (char)tdx_hw_tag.ver_assembly + 'A'); 82 83 env_set("serial#", tdx_serial_str); 84 85 /* 86 * Check if environment contains a valid MAC address, 87 * set the one from config block if not 88 */ 89 if (!eth_env_get_enetaddr("ethaddr", ethaddr)) 90 eth_env_set_enetaddr("ethaddr", (u8 *)&tdx_eth_addr); 91 92 #ifdef CONFIG_TDX_CFG_BLOCK_2ND_ETHADDR 93 if (!eth_env_get_enetaddr("eth1addr", ethaddr)) { 94 /* 95 * Secondary MAC address is allocated from block 96 * 0x100000 higher then the first MAC address 97 */ 98 memcpy(ethaddr, &tdx_eth_addr, 6); 99 ethaddr[3] += 0x10; 100 eth_env_set_enetaddr("eth1addr", ethaddr); 101 } 102 #endif 103 104 printf("Model: Toradex %s %s, Serial# %s\n", 105 toradex_modules[tdx_hw_tag.prodid], 106 tdx_board_rev_str, 107 tdx_serial_str); 108 109 return 0; 110 } 111 112 #ifdef CONFIG_USB_GADGET_DOWNLOAD 113 int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name) 114 { 115 unsigned short usb_pid; 116 117 usb_pid = TORADEX_USB_PRODUCT_NUM_OFFSET + tdx_hw_tag.prodid; 118 put_unaligned(usb_pid, &dev->idProduct); 119 120 return 0; 121 } 122 #endif 123 124 #if defined(CONFIG_OF_LIBFDT) 125 int ft_common_board_setup(void *blob, bd_t *bd) 126 { 127 if (tdx_serial) { 128 fdt_setprop(blob, 0, "serial-number", tdx_serial_str, 129 strlen(tdx_serial_str) + 1); 130 } 131 132 if (tdx_hw_tag.ver_major) { 133 char prod_id[5]; 134 135 sprintf(prod_id, "%04u", tdx_hw_tag.prodid); 136 fdt_setprop(blob, 0, "toradex,product-id", prod_id, 5); 137 138 fdt_setprop(blob, 0, "toradex,board-rev", tdx_board_rev_str, 139 strlen(tdx_board_rev_str) + 1); 140 } 141 142 return 0; 143 } 144 #endif 145 146 #else /* CONFIG_TDX_CFG_BLOCK */ 147 148 #ifdef CONFIG_REVISION_TAG 149 u32 get_board_rev(void) 150 { 151 return 0; 152 } 153 #endif /* CONFIG_REVISION_TAG */ 154 155 #ifdef CONFIG_SERIAL_TAG 156 u32 get_board_serial(void) 157 { 158 return 0; 159 } 160 #endif /* CONFIG_SERIAL_TAG */ 161 162 int ft_common_board_setup(void *blob, bd_t *bd) 163 { 164 return 0; 165 } 166 167 #endif /* CONFIG_TDX_CFG_BLOCK */ 168
