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