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Lines Matching refs:eeprom

1 /*	$NetBSD: eeprom.c,v 1.35 2024/12/20 23:52:00 tsutsui Exp $	*/
33  * Access functions for the EEPROM (Electrically Eraseable PROM)
35  * handle the painful task of updating the EEPROM contents.
41 __KERNEL_RCSID(0, "$NetBSD: eeprom.c,v 1.35 2024/12/20 23:52:00 tsutsui Exp $");
54 #include <machine/eeprom.h>
60 struct eeprom *eeprom_copy; 	/* soft copy. */
72 CFATTACH_DECL_NEW(eeprom, 0,
98 	if (sizeof(struct eeprom) != EEPROM_SIZE)
99 		panic("eeprom struct wrong");
107 	/* Keep a "soft" copy of the EEPROM to make access simpler. */
119 	/* Do only byte access in the EEPROM. */
143 		error = tsleep(&ee_busy, PZERO | PCATCH, "eeprom", 0);
164  * This is called by mem.c to handle /dev/eeprom
199  * Update the EEPROM from the soft copy.
201  * the ONLY place we touch the EEPROM H/W.
228 		 * EEPROM has a limited number of write cycles.
234 			 * We have written the EEPROM, so now we must
237 			 * the EEPROM while it recovers.
239 			(void)tsleep(eeprom_va, PZERO - 1, "eeprom", hz / 50);