/* * (C) Copyright 2007 * Stefan Roese, DENX Software Engineering, sr@denx.de. * * SPDX-License-Identifier: GPL-2.0+ */ #include #include #include #include #include #if defined(CONFIG_TAISHAN) const uchar bootstrap_buf[16] = { 0x86, 0x78, 0xc1, 0xa6, 0x09, 0x67, 0x04, 0x63, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; static int update_boot_eeprom(void) { ulong len = 0x10; uchar chip = CONFIG_SYS_BOOTSTRAP_IIC_ADDR; uchar *pbuf = (uchar *)bootstrap_buf; int ii, jj; for (ii = 0; ii < len; ii++) { if (i2c_write(chip, ii, 1, &pbuf[ii], 1) != 0) { printf("i2c_write failed\n"); return -1; } /* wait 10ms */ for (jj = 0; jj < 10; jj++) udelay(1000); } return 0; } int do_update_boot_eeprom(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) { return update_boot_eeprom(); } U_BOOT_CMD(update_boot_eeprom, 1, 1, do_update_boot_eeprom, "update bootstrap eeprom content", ""); #endif