+#include <stdint.h>
#include <pc80/mc146818rtc.h>
#include <fallback.h>
-#if CONFIG_HAVE_OPTION_TABLE
-#include <option_table.h>
+#if CONFIG_USE_OPTION_TABLE
+#include "option_table.h"
#endif
#ifndef CONFIG_MAX_REBOOT_CNT
#error "CONFIG_MAX_REBOOT_CNT too high"
#endif
-static unsigned char cmos_read(unsigned char addr)
-{
- int offs = 0;
- if (addr >= 128) {
- offs = 2;
- addr -= 128;
- }
- outb(addr, RTC_BASE_PORT + offs + 0);
- return inb(RTC_BASE_PORT + offs + 1);
-}
-
-static void cmos_write(unsigned char val, unsigned char addr)
-{
- int offs = 0;
- if (addr >= 128) {
- offs = 2;
- addr -= 128;
- }
- outb(addr, RTC_BASE_PORT + offs + 0);
- outb(val, RTC_BASE_PORT + offs + 1);
-}
-
static int cmos_error(void)
{
unsigned char reg_d;
static int cmos_chksum_valid(void)
{
-#if CONFIG_HAVE_OPTION_TABLE == 1
+#if CONFIG_USE_OPTION_TABLE
unsigned char addr;
- unsigned long sum, old_sum;
+ u16 sum, old_sum;
sum = 0;
- /* Comput the cmos checksum */
+ /* Compute the cmos checksum */
for(addr = LB_CKS_RANGE_START; addr <= LB_CKS_RANGE_END; addr++) {
sum += cmos_read(addr);
}
- sum = (sum & 0xffff) ^ 0xffff;
/* Read the stored checksum */
old_sum = cmos_read(LB_CKS_LOC) << 8;
return (byte & (1<<1));
}
-static inline unsigned read_option(unsigned start, unsigned size, unsigned def)
+unsigned read_option_lowlevel(unsigned start, unsigned size, unsigned def)
{
-#if CONFIG_USE_OPTION_TABLE == 1
+#if CONFIG_USE_OPTION_TABLE
unsigned byte;
byte = cmos_read(start/8);
return (byte >> (start & 7U)) & ((1U << size) - 1U);