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sniper: Serial number support, obtained from die ID
The OMAP3 has some die-specific ID bits that we can use to give the device a (more or less) unique serial number. This is particularly useful for e.g. USB. Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
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@ -70,7 +70,9 @@ int board_init(void)
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int misc_init_r(void)
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int misc_init_r(void)
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{
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{
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char serial_string[17] = { 0 };
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char reboot_mode[2] = { 0 };
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char reboot_mode[2] = { 0 };
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u32 dieid[4] = { 0 };
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/* Reboot mode */
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/* Reboot mode */
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@ -82,6 +84,17 @@ int misc_init_r(void)
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omap_reboot_mode_clear();
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omap_reboot_mode_clear();
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}
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}
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/* Serial number */
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get_dieid((u32 *)&dieid);
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if (!getenv("serial#")) {
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snprintf(serial_string, sizeof(serial_string),
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"%08x%08x", dieid[0], dieid[3]);
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setenv("serial#", serial_string);
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}
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return 0;
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return 0;
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}
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}
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