8148b9d900
kernel device tree source code for OnePlus 5 & 5T P device Change-Id: I84f40e66833ea1ce30eb1d9a710d6e1529e9e637
122 lines
2.7 KiB
C
122 lines
2.7 KiB
C
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/types.h>
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#include <linux/pstore.h>
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#include <device_info.h>
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static int __init device_info_init(void)
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{
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int i, j, target_len;
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char *substr, *target_str;
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for (i = 0; i < MAX_ITEM; i++) {
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substr = strnstr(boot_command_line,
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cmdline_info[i],
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sizeof(cmdline_info[i]));
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if (substr != NULL)
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substr += strlen(cmdline_info[i]);
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else
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continue;
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if (i == serialno) {
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target_str = oem_serialno;
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target_len = sizeof(oem_serialno);
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} else if (i == hw_version) {
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target_str = oem_hw_version;
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target_len = sizeof(oem_hw_version);
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} else if (i == rf_version) {
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target_str = oem_rf_version;
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target_len = sizeof(oem_rf_version);
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} else if (i == pcba_number) {
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target_str = oem_pcba_number;
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target_len = sizeof(oem_pcba_number);
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} else
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continue;
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for (j = 0; substr[j] != ' ' && j < target_len; j++)
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target_str[j] = substr[j];
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/*target_str[j] = '\0';*/
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}
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return 1;
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}
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static void __init pstore_write_device_info(const char *s, unsigned c)
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{
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const char *e = s + c;
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if (c <= 0)
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return;
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while (s < e) {
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unsigned long flags;
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u64 id;
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if (c > psinfo->bufsize)
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c = psinfo->bufsize;
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if (oops_in_progress) {
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if (!spin_trylock_irqsave(&psinfo->buf_lock, flags))
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break;
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} else {
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spin_lock_irqsave(&psinfo->buf_lock, flags);
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}
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memcpy(psinfo->buf, s, c);
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psinfo->write(PSTORE_TYPE_DEVICE_INFO, 0,
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&id, 0, 0, 0, c, psinfo);
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spin_unlock_irqrestore(&psinfo->buf_lock, flags);
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s += c;
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c = e - s;
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}
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return;
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}
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static void __init write_device_info(const char *key, const char *value)
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{
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pstore_write_device_info(key, strlen(key));
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pstore_write_device_info(": ", 2);
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pstore_write_device_info(value, strlen(value));
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pstore_write_device_info("\r\n", 2);
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}
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static int __init init_device_info(void)
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{
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device_info_init();
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pstore_write_device_info(" * * * begin * * * \r\n",
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strlen(" * * * begin * * * \r\n"));
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write_device_info("hardware version", oem_hw_version);
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write_device_info("rf version", oem_rf_version);
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write_device_info("ddr info", ddr_manufacture_and_fw_verion);
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write_device_info("pcba number", oem_pcba_number);
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write_device_info("serial number", oem_serialno);
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memset(oem_serialno, 0, sizeof(oem_serialno));
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scnprintf(oem_serialno, sizeof(oem_serialno), "%x", chip_serial_num);
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write_device_info("socinfo serial_number", oem_serialno);
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write_device_info("ufs vendor and rev", ufs_vendor_and_rev);
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write_device_info("kernel version", linux_banner);
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write_device_info("boot command", saved_command_line);
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pstore_write_device_info(" * * * end * * * \r\n",
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strlen(" * * * end * * * \r\n"));
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return 0;
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}
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late_initcall(init_device_info);
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