1 files changed, 0 insertions, 104 deletions
diff --git a/src/pc80/mc146818rtc_early.c b/src/pc80/mc146818rtc_early.c
deleted file mode 100644
index 0652f27c47..0000000000
--- a/src/pc80/mc146818rtc_early.c
+++ /dev/null
@@ -1,104 +0,0 @@
-#include <stdint.h>
-#include <pc80/mc146818rtc.h>
-#include <fallback.h>
-#if CONFIG_USE_OPTION_TABLE
-#include "option_table.h"
-#endif
-
-#ifndef CONFIG_MAX_REBOOT_CNT
-#error "CONFIG_MAX_REBOOT_CNT not defined"
-#endif
-#if  CONFIG_MAX_REBOOT_CNT > 15
-#error "CONFIG_MAX_REBOOT_CNT too high"
-#endif
-
-static int cmos_error(void)
-{
-	unsigned char reg_d;
-	/* See if the cmos error condition has been flagged */
-	reg_d = cmos_read(RTC_REG_D);
-	return (reg_d & RTC_VRT) == 0;
-}
-
-static int cmos_chksum_valid(void)
-{
-#if CONFIG_USE_OPTION_TABLE
-	unsigned char addr;
-	u16 sum, old_sum;
-	sum = 0;
-	/* Compute the cmos checksum */
-	for(addr = LB_CKS_RANGE_START; addr <= LB_CKS_RANGE_END; addr++) {
-		sum += cmos_read(addr);
-	}
-
-	/* Read the stored checksum */
-	old_sum = cmos_read(LB_CKS_LOC) << 8;
-	old_sum |=  cmos_read(LB_CKS_LOC+1);
-
-	return sum == old_sum;
-#else
-	return 0;
-#endif
-}
-
-
-static inline int last_boot_normal(void)
-{
-	unsigned char byte;
-	byte = cmos_read(RTC_BOOT_BYTE);
-	return (byte & (1 << 1));
-}
-
-static inline int do_normal_boot(void)
-{
-	unsigned char byte;
-
-	if (cmos_error() || !cmos_chksum_valid()) {
-		/* There are no impossible values, no checksums so just
-		 * trust whatever value we have in the the cmos,
-		 * but clear the fallback bit.
-		 */
-		byte = cmos_read(RTC_BOOT_BYTE);
-		byte &= 0x0c;
-		byte |= CONFIG_MAX_REBOOT_CNT << 4;
-		cmos_write(byte, RTC_BOOT_BYTE);
-	}
-
-	/* The RTC_BOOT_BYTE is now o.k. see where to go. */
-	byte = cmos_read(RTC_BOOT_BYTE);
-
-	/* Are we in normal mode? */
-	if (byte & 1) {
-		byte &= 0x0f; /* yes, clear the boot count */
-	}
-
-	/* Properly set the last boot flag */
-	byte &= 0xfc;
-	if ((byte >> 4) < CONFIG_MAX_REBOOT_CNT) {
-		byte |= (1<<1);
-	}
-
-	/* Are we already at the max count? */
-	if ((byte >> 4) < CONFIG_MAX_REBOOT_CNT) {
-		byte += 1 << 4; /* No, add 1 to the count */
-	}
-	else {
-		byte &= 0xfc;	/* Yes, put in fallback mode */
-	}
-
-	/* Save the boot byte */
-	cmos_write(byte, RTC_BOOT_BYTE);
-
-	return (byte & (1<<1));
-}
-
-unsigned read_option_lowlevel(unsigned start, unsigned size, unsigned def)
-{
-#if CONFIG_USE_OPTION_TABLE
-	unsigned byte;
-	byte = cmos_read(start/8);
-	return (byte >> (start & 7U)) & ((1U << size) - 1U);
-#else
-	return def;
-#endif
-}