#define PC_CKS_RANGE_END 45
#define PC_CKS_LOC 46
-/* Linux bios checksum is built only over bytes 49..125 */
-#ifndef CONFIG_LB_CKS_RANGE_START
-#define CONFIG_LB_CKS_RANGE_START 49
-#endif
-#ifndef CONFIG_LB_CKS_RANGE_END
-#define CONFIG_LB_CKS_RANGE_END 125
-#endif
-#ifndef CONFIG_LB_CKS_LOC
-#define CONFIG_LB_CKS_LOC 126
+#ifndef UTIL_BUILD_OPTION_TABLE
+#include <arch/io.h>
+static inline 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 inline 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 inline u32 cmos_read32(u8 offset)
+{
+ u32 value = 0;
+ u8 i;
+ for (i = 0; i < sizeof(value); ++i)
+ value |= cmos_read(offset + i) << (i << 3);
+ return value;
+}
+
+static inline void cmos_write32(u8 offset, u32 value)
+{
+ u8 i;
+ for (i = 0; i < sizeof(value); ++i)
+ cmos_write((value >> (i << 3)) & 0xff, offset + i);
+}
#endif
-#if !defined(ASSEMBLY)
+#if !defined(__ROMCC__)
void rtc_init(int invalid);
-#if CONFIG_USE_OPTION_TABLE == 1
-int get_option(void *dest, char *name);
+#if CONFIG_USE_OPTION_TABLE
+int set_option(const char *name, void *val);
+int get_option(void *dest, const char *name);
+unsigned read_option_lowlevel(unsigned start, unsigned size, unsigned def);
#else
-static inline int get_option(void *dest, char *name) { return -2; }
+static inline int set_option(const char *name __attribute__((unused)), void *val __attribute__((unused))) { return -2; };
+static inline int get_option(void *dest __attribute__((unused)),
+ const char *name __attribute__((unused))) { return -2; }
+#define read_option_lowlevel(start, size, def) def
#endif
+#else
+#include <pc80/mc146818rtc_early.c>
#endif
+#define read_option(name, default) read_option_lowlevel(CMOS_VSTART_ ##name, CMOS_VLEN_ ##name, (default))
#endif /* PC80_MC146818RTC_H */