/*
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* (C) Copyright 2017-2018
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* Allwinner Technology Co., Ltd. <www.allwinnertech.com>
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* wangwei <wangwei@allwinnertech.com>
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*
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* Configuration settings for the Allwinner sunxi series of boards.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <sys_partition.h>
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#include <malloc.h>
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#include <fdt_support.h>
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#include <sunxi_board.h>
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#include <asm/io.h>
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#include <smc.h>
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int get_serial_num_from_file(char *serial)
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{
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int partno = -1;
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char *sn_filename = NULL;
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char part_info[16] = {0}; /* format is "partno:0" */
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char addr_info[32] = {0}; /* "00000000" */
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char file_info[64] = {0};
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char *bmp_argv[6] = { "fatload", "sunxi_flash", part_info,
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addr_info, file_info, NULL };
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int nodeoffset;
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nodeoffset = fdt_path_offset(working_fdt, "/soc/serial_feature");
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if (nodeoffset > 0) {
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fdt_getprop_string(working_fdt, nodeoffset, "sn_filename", &sn_filename);
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}
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if ((nodeoffset < 0) || (strlen(sn_filename) == 0)) {
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pr_err("sunxi_serial: sn_filename is not set\n");
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return -1;
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}
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/* check private partition info */
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partno = sunxi_partition_get_partno_byname("private");
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if (partno < 0)
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return -1;
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/* get data from file */
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sprintf(part_info, "0:%x", partno);
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sprintf(addr_info, "%lx", (ulong)serial);
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sprintf(file_info, "%s", sn_filename);
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if (do_fat_fsload(0, 0, 5, bmp_argv)) {
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pr_err("load file(%s) error\n", bmp_argv[4]);
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return -1;
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}
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return 0;
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}
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int get_serial_num_from_chipid(char *serial)
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{
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u32 sunxi_soc_chipid[4];
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u32 sunxi_serial[3];
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#ifdef CONFIG_ARCH_SUN8IW8P1
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memset((void *)sunxi_soc_chipid, 0, sizeof(sunxi_soc_chipid));
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#else
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sunxi_soc_chipid[0] = smc_readl(SUNXI_SID_BASE + 0x200);
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sunxi_soc_chipid[1] = smc_readl(SUNXI_SID_BASE + 0x200 + 0x4);
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sunxi_soc_chipid[2] = smc_readl(SUNXI_SID_BASE + 0x200 + 0x8);
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sunxi_soc_chipid[3] = smc_readl(SUNXI_SID_BASE + 0x200 + 0xc);
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#endif
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/* high 76bits for serialno */
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sunxi_serial[0] = (sunxi_soc_chipid[1] >> 20) & 0xFFF;
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sunxi_serial[1] = sunxi_soc_chipid[2];
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sunxi_serial[2] = sunxi_soc_chipid[3];
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sprintf(serial, "%03x%08x%08x", sunxi_serial[0], sunxi_serial[1], sunxi_serial[2]);
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return 0;
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}
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int sunxi_set_serial_num(void)
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{
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char *serial = NULL;
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char *p = NULL;
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p = env_get("snum");
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if (p != NULL)
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return 0;
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serial = (char *)malloc_align(128, 64);
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if (!serial) {
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pr_err("error : malloc serial fail\n");
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return -1;
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}
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memset(serial, '\0', 128);
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get_serial_num_from_chipid(serial);
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pr_msg("serial num is: %s\n", serial);
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if (env_set("snum", serial))
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pr_err("error:set env snum fail\n");
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free_align(serial);
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return 0;
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}
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