drivers/rtc : move rtc drivers to drivers/rtc

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

1 files changed, 0 insertions, 327 deletions

diff --git a/rtc/ds1302.c b/rtc/ds1302.c
deleted file mode 100644
index 55af130..0000000
--- a/rtc/ds1302.c
+++ /dev/null
@@ -1,327 +0,0 @@
-/*
- * ds1302.c - Support for the Dallas Semiconductor DS1302 Timekeeping Chip
- *
- * Rex G. Feany <rfeany@zumanetworks.com>
- *
- */
-
-#include <common.h>
-#include <command.h>
-#include <rtc.h>
-
-#if defined(CONFIG_RTC_DS1302) && defined(CONFIG_CMD_DATE)
-
-/* GPP Pins */
-#define DATA		0x200
-#define SCLK		0x400
-#define RST		0x800
-
-/* Happy Fun Defines(tm) */
-#define RESET		rtc_go_low(RST), rtc_go_low(SCLK)
-#define N_RESET		rtc_go_high(RST), rtc_go_low(SCLK)
-
-#define CLOCK_HIGH	rtc_go_high(SCLK)
-#define CLOCK_LOW	rtc_go_low(SCLK)
-
-#define DATA_HIGH	rtc_go_high(DATA)
-#define DATA_LOW	rtc_go_low(DATA)
-#define DATA_READ	(GTREGREAD(GPP_VALUE) & DATA)
-
-#undef RTC_DEBUG
-
-#ifdef RTC_DEBUG
-#  define DPRINTF(x,args...)	printf("ds1302: " x , ##args)
-static inline void DUMP(const char *ptr, int num)
-{
-	while (num--) printf("%x ", *ptr++);
-	printf("]\n");
-}
-#else
-#  define DPRINTF(x,args...)
-#  define DUMP(ptr, num)
-#endif
-
-/* time data format for DS1302 */
-struct ds1302_st
-{
-	unsigned char CH:1;		/* clock halt 1=stop 0=start */
-	unsigned char sec10:3;
-	unsigned char sec:4;
-
-	unsigned char zero0:1;
-	unsigned char min10:3;
-	unsigned char min:4;
-
-	unsigned char fmt:1;		/* 1=12 hour 0=24 hour */
-	unsigned char zero1:1;
-	unsigned char hr10:2;	/* 10 (0-2) or am/pm (am/pm, 0-1) */
-	unsigned char hr:4;
-
-	unsigned char zero2:2;
-	unsigned char date10:2;
-	unsigned char date:4;
-
-	unsigned char zero3:3;
-	unsigned char month10:1;
-	unsigned char month:4;
-
-	unsigned char zero4:5;
-	unsigned char day:3; 		/* day of week */
-
-	unsigned char year10:4;
-	unsigned char year:4;
-
-	unsigned char WP:1;		/* write protect 1=protect 0=unprot */
-	unsigned char zero5:7;
-};
-
-static int ds1302_initted=0;
-
-/* Pin control */
-static inline void
-rtc_go_high(unsigned int mask)
-{
-	unsigned int f = GTREGREAD(GPP_VALUE) | mask;
-
-	GT_REG_WRITE(GPP_VALUE, f);
-}
-
-static inline void
-rtc_go_low(unsigned int mask)
-{
-	unsigned int f = GTREGREAD(GPP_VALUE) & ~mask;
-
-	GT_REG_WRITE(GPP_VALUE, f);
-}
-
-static inline void
-rtc_go_input(unsigned int mask)
-{
-	unsigned int f = GTREGREAD(GPP_IO_CONTROL) & ~mask;
-
-	GT_REG_WRITE(GPP_IO_CONTROL, f);
-}
-
-static inline void
-rtc_go_output(unsigned int mask)
-{
-	unsigned int f = GTREGREAD(GPP_IO_CONTROL) | mask;
-
-	GT_REG_WRITE(GPP_IO_CONTROL, f);
-}
-
-/* Access data in RTC */
-
-static void
-write_byte(unsigned char b)
-{
-	int i;
-	unsigned char mask=1;
-
-	for(i=0;i<8;i++) {
-		CLOCK_LOW;			/* Lower clock */
-		(b&mask)?DATA_HIGH:DATA_LOW;	/* set data */
-		udelay(1);
-		CLOCK_HIGH;		/* latch data with rising clock */
-		udelay(1);
-		mask=mask<<1;
-	}
-}
-
-static unsigned char
-read_byte(void)
-{
-	int i;
-	unsigned char mask=1;
-	unsigned char b=0;
-
-	for(i=0;i<8;i++) {
-		CLOCK_LOW;
-		udelay(1);
-		if (DATA_READ) b|=mask;	/* if this bit is high, set in b */
-		CLOCK_HIGH;		/* clock out next bit */
-		udelay(1);
-		mask=mask<<1;
-	}
-	return b;
-}
-
-static void
-read_ser_drv(unsigned char addr, unsigned char *buf, int count)
-{
-	int i;
-#ifdef RTC_DEBUG
-	char *foo = buf;
-#endif
-
-	DPRINTF("READ 0x%x bytes @ 0x%x [ ", count, addr);
-
-	addr|=1;	/* READ */
-	N_RESET;
-	udelay(4);
-	write_byte(addr);
-	rtc_go_input(DATA); /* Put gpp pin into input mode */
-	udelay(1);
-	for(i=0;i<count;i++) *(buf++)=read_byte();
-	RESET;
-	rtc_go_output(DATA);/* Reset gpp for output */
-	udelay(4);
-
-	DUMP(foo, count);
-}
-
-static void
-write_ser_drv(unsigned char addr, unsigned char *buf, int count)
-{
-	int i;
-
-	DPRINTF("WRITE 0x%x bytes @ 0x%x [ ", count, addr);
-	DUMP(buf, count);
-
-	addr&=~1;	/* WRITE */
-	N_RESET;
-	udelay(4);
-	write_byte(addr);
-	for(i=0;i<count;i++) write_byte(*(buf++));
-	RESET;
-	udelay(4);
-
-}
-
-void
-rtc_init(void)
-{
-    	struct ds1302_st bbclk;
-	unsigned char b;
-	int mod;
-
-	DPRINTF("init\n");
-
-	rtc_go_output(DATA|SCLK|RST);
-
-	/* disable write protect */
-	b = 0;
-	write_ser_drv(0x8e,&b,1);
-
-	/* enable trickle */
-	b = 0xa5;	/* 1010.0101 */
-	write_ser_drv(0x90,&b,1);
-
-	/* read burst */
-	read_ser_drv(0xbe, (unsigned char *)&bbclk, 8);
-
-	/* Sanity checks */
-	mod = 0;
-	if (bbclk.CH) {
-		printf("ds1302: Clock was halted, starting clock\n");
-		bbclk.CH=0;
-		mod=1;
-	}
-
-	if (bbclk.fmt) {
-		printf("ds1302: Clock was in 12 hour mode, fixing\n");
-		bbclk.fmt=0;
-		mod=1;
-	}
-
-	if (bbclk.year>9) {
-		printf("ds1302: Year was corrupted, fixing\n");
-		bbclk.year10=100/10;	/* 2000 - why not? ;) */
-		bbclk.year=0;
-		mod=1;
-	}
-
-	/* Write out the changes if needed */
-	if (mod) {
-		/* enable write protect */
-		bbclk.WP = 1;
-		write_ser_drv(0xbe,(unsigned char *)&bbclk,8);
-	} else {
-		/* Else just turn write protect on */
-		b = 0x80;
-		write_ser_drv(0x8e,&b,1);
-	}
-	DPRINTF("init done\n");
-
-	ds1302_initted=1;
-}
-
-void
-rtc_reset(void)
-{
-	if(!ds1302_initted) rtc_init();
-	/* TODO */
-}
-
-void
-rtc_get(struct rtc_time *tmp)
-{
-	struct ds1302_st bbclk;
-
-	if(!ds1302_initted) rtc_init();
-
-	read_ser_drv(0xbe,(unsigned char *)&bbclk, 8);      /* read burst */
-
-	if (bbclk.CH) {
-		printf("ds1302: rtc_get: Clock was halted, clock probably "
-			"corrupt\n");
-	}
-
-	tmp->tm_sec=10*bbclk.sec10+bbclk.sec;
-	tmp->tm_min=10*bbclk.min10+bbclk.min;
-	tmp->tm_hour=10*bbclk.hr10+bbclk.hr;
-	tmp->tm_wday=bbclk.day;
-	tmp->tm_mday=10*bbclk.date10+bbclk.date;
-	tmp->tm_mon=10*bbclk.month10+bbclk.month;
-	tmp->tm_year=10*bbclk.year10+bbclk.year + 1900;
-
-	tmp->tm_yday = 0;
-	tmp->tm_isdst= 0;
-
-	DPRINTF("Get DATE: %4d-%02d-%02d (wday=%d)  TIME: %2d:%02d:%02d\n",
-		tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,
-		tmp->tm_hour, tmp->tm_min, tmp->tm_sec );
-}
-
-void
-rtc_set(struct rtc_time *tmp)
-{
-	struct ds1302_st bbclk;
-	unsigned char b=0;
-
-	if(!ds1302_initted) rtc_init();
-
-	DPRINTF("Set DATE: %4d-%02d-%02d (wday=%d)  TIME: %2d:%02d:%02d\n",
-		tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday,
-		tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
-
-	memset(&bbclk,0,sizeof(bbclk));
-	bbclk.CH=0; /* dont halt */
-	bbclk.WP=1; /* write protect when we're done */
-
-	bbclk.sec10=tmp->tm_sec/10;
-	bbclk.sec=tmp->tm_sec%10;
-
-	bbclk.min10=tmp->tm_min/10;
-	bbclk.min=tmp->tm_min%10;
-
-	bbclk.hr10=tmp->tm_hour/10;
-	bbclk.hr=tmp->tm_hour%10;
-
-	bbclk.day=tmp->tm_wday;
-
-	bbclk.date10=tmp->tm_mday/10;
-	bbclk.date=tmp->tm_mday%10;
-
-	bbclk.month10=tmp->tm_mon/10;
-	bbclk.month=tmp->tm_mon%10;
-
-	tmp->tm_year -= 1900;
-	bbclk.year10=tmp->tm_year/10;
-	bbclk.year=tmp->tm_year%10;
-
-	write_ser_drv(0x8e,&b,1);           /* disable write protect */
-	write_ser_drv(0xbe,(unsigned char *)&bbclk, 8);     /* write burst */
-}
-
-#endif