These drivers are not used and have not been converted to driver model. Drop them and references to the non-existent CONFIG options they use.
Signed-off-by: Simon Glass sjg@chromium.org ---
(no changes since v1)
drivers/rtc/Makefile | 14 -- drivers/rtc/at91sam9_rtt.c | 78 ------- drivers/rtc/ds1302.c | 329 ---------------------------- drivers/rtc/ds1306.c | 438 ------------------------------------- drivers/rtc/ftrtc010.c | 122 ----------- drivers/rtc/imxdi.c | 223 ------------------- drivers/rtc/max6900.c | 105 --------- drivers/rtc/mk48t59.c | 175 --------------- drivers/rtc/mx27rtc.c | 64 ------ drivers/rtc/rs5c372.c | 256 ---------------------- drivers/rtc/s3c24x0_rtc.c | 149 ------------- drivers/rtc/x1205.c | 161 -------------- 12 files changed, 2114 deletions(-) delete mode 100644 drivers/rtc/at91sam9_rtt.c delete mode 100644 drivers/rtc/ds1302.c delete mode 100644 drivers/rtc/ds1306.c delete mode 100644 drivers/rtc/ftrtc010.c delete mode 100644 drivers/rtc/imxdi.c delete mode 100644 drivers/rtc/max6900.c delete mode 100644 drivers/rtc/mk48t59.c delete mode 100644 drivers/rtc/mx27rtc.c delete mode 100644 drivers/rtc/rs5c372.c delete mode 100644 drivers/rtc/s3c24x0_rtc.c delete mode 100644 drivers/rtc/x1205.c
diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile index acfd130bbc9..447551e15aa 100644 --- a/drivers/rtc/Makefile +++ b/drivers/rtc/Makefile @@ -6,49 +6,35 @@
obj-$(CONFIG_$(SPL_TPL_)DM_RTC) += rtc-uclass.o
-obj-$(CONFIG_RTC_AT91SAM9_RTT) += at91sam9_rtt.o obj-$(CONFIG_RTC_ARMADA38X) += armada38x.o obj-$(CONFIG_RTC_DAVINCI) += davinci.o -obj-$(CONFIG_RTC_DS1302) += ds1302.o -obj-$(CONFIG_RTC_DS1306) += ds1306.o obj-$(CONFIG_RTC_DS1307) += ds1307.o obj-$(CONFIG_RTC_DS1338) += ds1307.o -obj-$(CONFIG_RTC_DS1339) += ds1307.o obj-$(CONFIG_RTC_DS1337) += ds1337.o obj-$(CONFIG_RTC_DS1374) += ds1374.o -obj-$(CONFIG_RTC_DS1388) += ds1337.o obj-$(CONFIG_RTC_DS3231) += ds3231.o obj-$(CONFIG_RTC_DS3232) += ds3232.o obj-$(CONFIG_RTC_EMULATION) += emul_rtc.o -obj-$(CONFIG_RTC_FTRTC010) += ftrtc010.o obj-$(CONFIG_RTC_HT1380) += ht1380.o obj-$(CONFIG_SANDBOX) += i2c_rtc_emul.o -obj-$(CONFIG_RTC_IMXDI) += imxdi.o obj-$(CONFIG_RTC_ISL1208) += isl1208.o obj-$(CONFIG_RTC_M41T62) += m41t62.o -obj-$(CONFIG_RTC_MAX6900) += max6900.o obj-$(CONFIG_RTC_MC13XXX) += mc13xxx-rtc.o obj-$(CONFIG_RTC_MC146818) += mc146818.o -obj-$(CONFIG_RTC_MCP79411) += ds1307.o obj-$(CONFIG_MCFRTC) += mcfrtc.o -obj-$(CONFIG_RTC_MK48T59) += mk48t59.o obj-$(CONFIG_RTC_MV) += mvrtc.o -obj-$(CONFIG_RTC_MX27) += mx27rtc.o obj-$(CONFIG_RTC_MXS) += mxsrtc.o obj-$(CONFIG_RTC_PCF8563) += pcf8563.o obj-$(CONFIG_RTC_PCF2127) += pcf2127.o obj-$(CONFIG_RTC_PL031) += pl031.o obj-$(CONFIG_RTC_PT7C4338) += pt7c4338.o -obj-$(CONFIG_RTC_RS5C372A) += rs5c372.o obj-$(CONFIG_RTC_RV3028) += rv3028.o obj-$(CONFIG_RTC_RV3029) += rv3029.o obj-$(CONFIG_RTC_RV8803) += rv8803.o obj-$(CONFIG_RTC_RX8025) += rx8025.o obj-$(CONFIG_RTC_RX8010SJ) += rx8010sj.o -obj-$(CONFIG_RTC_S3C24X0) += s3c24x0_rtc.o obj-$(CONFIG_RTC_S35392A) += s35392a.o obj-$(CONFIG_RTC_STM32) += stm32_rtc.o obj-$(CONFIG_SANDBOX) += sandbox_rtc.o -obj-$(CONFIG_RTC_X1205) += x1205.o obj-$(CONFIG_RTC_ABX80X) += abx80x.o obj-$(CONFIG_RTC_ZYNQMP) += zynqmp_rtc.o diff --git a/drivers/rtc/at91sam9_rtt.c b/drivers/rtc/at91sam9_rtt.c deleted file mode 100644 index 6f92660ef1d..00000000000 --- a/drivers/rtc/at91sam9_rtt.c +++ /dev/null @@ -1,78 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * (C) Copyright 2010 - * Reinhard Meyer, reinhard.meyer@emk-elektronik.de - */ - -/* - * Date & Time support for the internal Real-time Timer - * of AT91SAM9260 and compatibles. - * Compatible with the LinuX rtc driver workaround: - * The RTT cannot be written to, but only reset. - * The actual time is the sum of RTT and one of - * the four GPBR registers. - * - * The at91sam9260 has 4 GPBR (0-3). - * For their typical use see at91_gpbr.h ! - * - * make sure u-boot and kernel use the same GPBR ! - */ - -#include <common.h> -#include <command.h> -#include <rtc.h> -#include <asm/io.h> -#include <linux/errno.h> -#include <asm/arch/hardware.h> -#include <asm/arch/at91_rtt.h> -#include <asm/arch/at91_gpbr.h> - -int rtc_get (struct rtc_time *tmp) -{ - at91_rtt_t *rtt = (at91_rtt_t *) ATMEL_BASE_RTT; - at91_gpbr_t *gpbr = (at91_gpbr_t *) ATMEL_BASE_GPBR; - ulong tim; - ulong tim2; - ulong off; - - do { - tim = readl(&rtt->vr); - tim2 = readl(&rtt->vr); - } while (tim!=tim2); - off = readl(&gpbr->reg[AT91_GPBR_INDEX_TIMEOFF]); - /* off==0 means time is invalid, but we ignore that */ - rtc_to_tm(tim+off, tmp); - return 0; -} - -int rtc_set (struct rtc_time *tmp) -{ - at91_rtt_t *rtt = (at91_rtt_t *) ATMEL_BASE_RTT; - at91_gpbr_t *gpbr = (at91_gpbr_t *) ATMEL_BASE_GPBR; - ulong tim; - - tim = rtc_mktime(tmp); - - /* clear alarm, set prescaler to 32768, clear counter */ - writel(32768+AT91_RTT_RTTRST, &rtt->mr); - writel(~0, &rtt->ar); - writel(tim, &gpbr->reg[AT91_GPBR_INDEX_TIMEOFF]); - /* wait for counter clear to happen, takes less than a 1/32768th second */ - while (readl(&rtt->vr) != 0) - ; - return 0; -} - -void rtc_reset (void) -{ - at91_rtt_t *rtt = (at91_rtt_t *) ATMEL_BASE_RTT; - at91_gpbr_t *gpbr = (at91_gpbr_t *) ATMEL_BASE_GPBR; - - /* clear alarm, set prescaler to 32768, clear counter */ - writel(32768+AT91_RTT_RTTRST, &rtt->mr); - writel(~0, &rtt->ar); - writel(0, &gpbr->reg[AT91_GPBR_INDEX_TIMEOFF]); - /* wait for counter clear to happen, takes less than a 1/32768th second */ - while (readl(&rtt->vr) != 0) - ; -} diff --git a/drivers/rtc/ds1302.c b/drivers/rtc/ds1302.c deleted file mode 100644 index 189607c3e02..00000000000 --- a/drivers/rtc/ds1302.c +++ /dev/null @@ -1,329 +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> -#include <linux/delay.h> - -/* 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 */ -} - -int -rtc_get(struct rtc_time *tmp) -{ - int rel = 0; - 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"); - rel = -1; - } - - 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 ); - - return rel; -} - -int 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 */ - - return 0; -} diff --git a/drivers/rtc/ds1306.c b/drivers/rtc/ds1306.c deleted file mode 100644 index 36d615812b2..00000000000 --- a/drivers/rtc/ds1306.c +++ /dev/null @@ -1,438 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * (C) Copyright 2002 SIXNET, dge@sixnetio.com. - * - * (C) Copyright 2004, Li-Pro.Net <www.li-pro.net> - * Stephan Linz linz@li-pro.net - */ - -/* - * Date & Time support for DS1306 RTC using SPI: - * - * - SXNI855T: it uses its own soft SPI here in this file - * - all other: use the external spi_xfer() function - * (see include/spi.h) - */ - -#include <common.h> -#include <command.h> -#include <rtc.h> -#include <spi.h> -#include <linux/delay.h> - -#define RTC_SECONDS 0x00 -#define RTC_MINUTES 0x01 -#define RTC_HOURS 0x02 -#define RTC_DAY_OF_WEEK 0x03 -#define RTC_DATE_OF_MONTH 0x04 -#define RTC_MONTH 0x05 -#define RTC_YEAR 0x06 - -#define RTC_SECONDS_ALARM0 0x07 -#define RTC_MINUTES_ALARM0 0x08 -#define RTC_HOURS_ALARM0 0x09 -#define RTC_DAY_OF_WEEK_ALARM0 0x0a - -#define RTC_SECONDS_ALARM1 0x0b -#define RTC_MINUTES_ALARM1 0x0c -#define RTC_HOURS_ALARM1 0x0d -#define RTC_DAY_OF_WEEK_ALARM1 0x0e - -#define RTC_CONTROL 0x0f -#define RTC_STATUS 0x10 -#define RTC_TRICKLE_CHARGER 0x11 - -#define RTC_USER_RAM_BASE 0x20 - -/* ************************************************************************* */ -#ifdef CONFIG_SXNI855T /* !!! SHOULD BE CHANGED TO NEW CODE !!! */ - -static void soft_spi_send (unsigned char n); -static unsigned char soft_spi_read (void); -static void init_spi (void); - -/*----------------------------------------------------------------------- - * Definitions - */ - -#define PB_SPISCK 0x00000002 /* PB 30 */ -#define PB_SPIMOSI 0x00000004 /* PB 29 */ -#define PB_SPIMISO 0x00000008 /* PB 28 */ -#define PB_SPI_CE 0x00010000 /* PB 15 */ - -/* ------------------------------------------------------------------------- */ - -/* read clock time from DS1306 and return it in *tmp */ -int rtc_get (struct rtc_time *tmp) -{ - volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; - unsigned char spi_byte; /* Data Byte */ - - init_spi (); /* set port B for software SPI */ - - /* Now we can enable the DS1306 RTC */ - immap->im_cpm.cp_pbdat |= PB_SPI_CE; - udelay(10); - - /* Shift out the address (0) of the time in the Clock Chip */ - soft_spi_send (0); - - /* Put the clock readings into the rtc_time structure */ - tmp->tm_sec = bcd2bin (soft_spi_read ()); /* Read seconds */ - tmp->tm_min = bcd2bin (soft_spi_read ()); /* Read minutes */ - - /* Hours are trickier */ - spi_byte = soft_spi_read (); /* Read Hours into temporary value */ - if (spi_byte & 0x40) { - /* 12 hour mode bit is set (time is in 1-12 format) */ - if (spi_byte & 0x20) { - /* since PM we add 11 to get 0-23 for hours */ - tmp->tm_hour = (bcd2bin (spi_byte & 0x1F)) + 11; - } else { - /* since AM we subtract 1 to get 0-23 for hours */ - tmp->tm_hour = (bcd2bin (spi_byte & 0x1F)) - 1; - } - } else { - /* Otherwise, 0-23 hour format */ - tmp->tm_hour = (bcd2bin (spi_byte & 0x3F)); - } - - soft_spi_read (); /* Read and discard Day of week */ - tmp->tm_mday = bcd2bin (soft_spi_read ()); /* Read Day of the Month */ - tmp->tm_mon = bcd2bin (soft_spi_read ()); /* Read Month */ - - /* Read Year and convert to this century */ - tmp->tm_year = bcd2bin (soft_spi_read ()) + 2000; - - /* Now we can disable the DS1306 RTC */ - immap->im_cpm.cp_pbdat &= ~PB_SPI_CE; /* Disable DS1306 Chip */ - udelay(10); - - rtc_calc_weekday(tmp); /* Determine the day of week */ - - debug ("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); - - return 0; -} - -/* ------------------------------------------------------------------------- */ - -/* set clock time in DS1306 RTC and in MPC8xx RTC */ -int rtc_set (struct rtc_time *tmp) -{ - volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; - - init_spi (); /* set port B for software SPI */ - - /* Now we can enable the DS1306 RTC */ - immap->im_cpm.cp_pbdat |= PB_SPI_CE; /* Enable DS1306 Chip */ - udelay(10); - - /* First disable write protect in the clock chip control register */ - soft_spi_send (0x8F); /* send address of the control register */ - soft_spi_send (0x00); /* send control register contents */ - - /* Now disable the DS1306 to terminate the write */ - immap->im_cpm.cp_pbdat &= ~PB_SPI_CE; - udelay(10); - - /* Now enable the DS1306 to initiate a new write */ - immap->im_cpm.cp_pbdat |= PB_SPI_CE; - udelay(10); - - /* Next, send the address of the clock time write registers */ - soft_spi_send (0x80); /* send address of the first time register */ - - /* Use Burst Mode to send all of the time data to the clock */ - bin2bcd (tmp->tm_sec); - soft_spi_send (bin2bcd (tmp->tm_sec)); /* Send Seconds */ - soft_spi_send (bin2bcd (tmp->tm_min)); /* Send Minutes */ - soft_spi_send (bin2bcd (tmp->tm_hour)); /* Send Hour */ - soft_spi_send (bin2bcd (tmp->tm_wday)); /* Send Day of the Week */ - soft_spi_send (bin2bcd (tmp->tm_mday)); /* Send Day of Month */ - soft_spi_send (bin2bcd (tmp->tm_mon)); /* Send Month */ - soft_spi_send (bin2bcd (tmp->tm_year - 2000)); /* Send Year */ - - /* Now we can disable the Clock chip to terminate the burst write */ - immap->im_cpm.cp_pbdat &= ~PB_SPI_CE; /* Disable DS1306 Chip */ - udelay(10); - - /* Now we can enable the Clock chip to initiate a new write */ - immap->im_cpm.cp_pbdat |= PB_SPI_CE; /* Enable DS1306 Chip */ - udelay(10); - - /* First we Enable write protect in the clock chip control register */ - soft_spi_send (0x8F); /* send address of the control register */ - soft_spi_send (0x40); /* send out Control Register contents */ - - /* Now disable the DS1306 */ - immap->im_cpm.cp_pbdat &= ~PB_SPI_CE; /* Disable DS1306 Chip */ - udelay(10); - - /* Set standard MPC8xx clock to the same time so Linux will - * see the time even if it doesn't have a DS1306 clock driver. - * This helps with experimenting with standard kernels. - */ - { - ulong tim; - - tim = rtc_mktime(tmp); - - immap->im_sitk.sitk_rtck = KAPWR_KEY; - immap->im_sit.sit_rtc = tim; - } - - debug ("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); - - return 0; -} - -/* ------------------------------------------------------------------------- */ - -/* Initialize Port B for software SPI */ -static void init_spi (void) -{ - volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; - - /* Force output pins to begin at logic 0 */ - immap->im_cpm.cp_pbdat &= ~(PB_SPI_CE | PB_SPIMOSI | PB_SPISCK); - - /* Set these 3 signals as outputs */ - immap->im_cpm.cp_pbdir |= (PB_SPIMOSI | PB_SPI_CE | PB_SPISCK); - - immap->im_cpm.cp_pbdir &= ~PB_SPIMISO; /* Make MISO pin an input */ - udelay(10); -} - -/* ------------------------------------------------------------------------- */ - -/* NOTE: soft_spi_send() assumes that the I/O lines are configured already */ -static void soft_spi_send (unsigned char n) -{ - volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; - unsigned char bitpos; /* bit position to receive */ - unsigned char i; /* Loop Control */ - - /* bit position to send, start with most significant bit */ - bitpos = 0x80; - - /* Send 8 bits to software SPI */ - for (i = 0; i < 8; i++) { /* Loop for 8 bits */ - immap->im_cpm.cp_pbdat |= PB_SPISCK; /* Raise SCK */ - - if (n & bitpos) - immap->im_cpm.cp_pbdat |= PB_SPIMOSI; /* Set MOSI to 1 */ - else - immap->im_cpm.cp_pbdat &= ~PB_SPIMOSI; /* Set MOSI to 0 */ - udelay(10); - - immap->im_cpm.cp_pbdat &= ~PB_SPISCK; /* Lower SCK */ - udelay(10); - - bitpos >>= 1; /* Shift for next bit position */ - } -} - -/* ------------------------------------------------------------------------- */ - -/* NOTE: soft_spi_read() assumes that the I/O lines are configured already */ -static unsigned char soft_spi_read (void) -{ - volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; - - unsigned char spi_byte = 0; /* Return value, assume success */ - unsigned char bitpos; /* bit position to receive */ - unsigned char i; /* Loop Control */ - - /* bit position to receive, start with most significant bit */ - bitpos = 0x80; - - /* Read 8 bits here */ - for (i = 0; i < 8; i++) { /* Do 8 bits in loop */ - immap->im_cpm.cp_pbdat |= PB_SPISCK; /* Raise SCK */ - udelay(10); - if (immap->im_cpm.cp_pbdat & PB_SPIMISO) /* Get a bit of data */ - spi_byte |= bitpos; /* Set data accordingly */ - immap->im_cpm.cp_pbdat &= ~PB_SPISCK; /* Lower SCK */ - udelay(10); - bitpos >>= 1; /* Shift for next bit position */ - } - - return spi_byte; /* Return the byte read */ -} - -/* ------------------------------------------------------------------------- */ - -void rtc_reset (void) -{ - return; /* nothing to do */ -} - -#else /* not CONFIG_SXNI855T */ -/* ************************************************************************* */ - -static unsigned char rtc_read (unsigned char reg); -static void rtc_write (unsigned char reg, unsigned char val); - -static struct spi_slave *slave; - -/* read clock time from DS1306 and return it in *tmp */ -int rtc_get (struct rtc_time *tmp) -{ - unsigned char sec, min, hour, mday, wday, mon, year; - - /* - * Assuming Vcc = 2.0V (lowest speed) - * - * REVISIT: If we add an rtc_init() function we can do this - * step just once. - */ - if (!slave) { - slave = spi_setup_slave(0, CONFIG_SYS_SPI_RTC_DEVID, 600000, - SPI_MODE_3 | SPI_CS_HIGH); - if (!slave) - return; - } - - if (spi_claim_bus(slave)) - return; - - sec = rtc_read (RTC_SECONDS); - min = rtc_read (RTC_MINUTES); - hour = rtc_read (RTC_HOURS); - mday = rtc_read (RTC_DATE_OF_MONTH); - wday = rtc_read (RTC_DAY_OF_WEEK); - mon = rtc_read (RTC_MONTH); - year = rtc_read (RTC_YEAR); - - spi_release_bus(slave); - - debug ("Get RTC year: %02x mon: %02x mday: %02x wday: %02x " - "hr: %02x min: %02x sec: %02x\n", - year, mon, mday, wday, hour, min, sec); - debug ("Alarms[0]: wday: %02x hour: %02x min: %02x sec: %02x\n", - rtc_read (RTC_DAY_OF_WEEK_ALARM0), - rtc_read (RTC_HOURS_ALARM0), - rtc_read (RTC_MINUTES_ALARM0), rtc_read (RTC_SECONDS_ALARM0)); - debug ("Alarms[1]: wday: %02x hour: %02x min: %02x sec: %02x\n", - rtc_read (RTC_DAY_OF_WEEK_ALARM1), - rtc_read (RTC_HOURS_ALARM1), - rtc_read (RTC_MINUTES_ALARM1), rtc_read (RTC_SECONDS_ALARM1)); - - tmp->tm_sec = bcd2bin (sec & 0x7F); /* convert Seconds */ - tmp->tm_min = bcd2bin (min & 0x7F); /* convert Minutes */ - - /* convert Hours */ - tmp->tm_hour = (hour & 0x40) - ? ((hour & 0x20) /* 12 hour mode */ - ? bcd2bin (hour & 0x1F) + 11 /* PM */ - : bcd2bin (hour & 0x1F) - 1 /* AM */ - ) - : bcd2bin (hour & 0x3F); /* 24 hour mode */ - - tmp->tm_mday = bcd2bin (mday & 0x3F); /* convert Day of the Month */ - tmp->tm_mon = bcd2bin (mon & 0x1F); /* convert Month */ - tmp->tm_year = bcd2bin (year) + 2000; /* convert Year */ - tmp->tm_wday = bcd2bin (wday & 0x07) - 1; /* convert Day of the Week */ - tmp->tm_yday = 0; - tmp->tm_isdst = 0; - - debug ("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); - - return 0; -} - -/* ------------------------------------------------------------------------- */ - -/* set clock time from *tmp in DS1306 RTC */ -int rtc_set (struct rtc_time *tmp) -{ - /* Assuming Vcc = 2.0V (lowest speed) */ - if (!slave) { - slave = spi_setup_slave(0, CONFIG_SYS_SPI_RTC_DEVID, 600000, - SPI_MODE_3 | SPI_CS_HIGH); - if (!slave) - return; - } - - if (spi_claim_bus(slave)) - return; - - debug ("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); - - rtc_write (RTC_SECONDS, bin2bcd (tmp->tm_sec)); - rtc_write (RTC_MINUTES, bin2bcd (tmp->tm_min)); - rtc_write (RTC_HOURS, bin2bcd (tmp->tm_hour)); - rtc_write (RTC_DAY_OF_WEEK, bin2bcd (tmp->tm_wday + 1)); - rtc_write (RTC_DATE_OF_MONTH, bin2bcd (tmp->tm_mday)); - rtc_write (RTC_MONTH, bin2bcd (tmp->tm_mon)); - rtc_write (RTC_YEAR, bin2bcd (tmp->tm_year - 2000)); - - spi_release_bus(slave); -} - -/* ------------------------------------------------------------------------- */ - -/* reset the DS1306 */ -void rtc_reset (void) -{ - /* Assuming Vcc = 2.0V (lowest speed) */ - if (!slave) { - slave = spi_setup_slave(0, CONFIG_SYS_SPI_RTC_DEVID, 600000, - SPI_MODE_3 | SPI_CS_HIGH); - if (!slave) - return; - } - - if (spi_claim_bus(slave)) - return; - - /* clear the control register */ - rtc_write (RTC_CONTROL, 0x00); /* 1st step: reset WP */ - rtc_write (RTC_CONTROL, 0x00); /* 2nd step: reset 1Hz, AIE1, AIE0 */ - - /* reset all alarms */ - rtc_write (RTC_SECONDS_ALARM0, 0x00); - rtc_write (RTC_SECONDS_ALARM1, 0x00); - rtc_write (RTC_MINUTES_ALARM0, 0x00); - rtc_write (RTC_MINUTES_ALARM1, 0x00); - rtc_write (RTC_HOURS_ALARM0, 0x00); - rtc_write (RTC_HOURS_ALARM1, 0x00); - rtc_write (RTC_DAY_OF_WEEK_ALARM0, 0x00); - rtc_write (RTC_DAY_OF_WEEK_ALARM1, 0x00); - - spi_release_bus(slave); -} - -/* ------------------------------------------------------------------------- */ - -static unsigned char rtc_read (unsigned char reg) -{ - int ret; - - ret = spi_w8r8(slave, reg); - return ret < 0 ? 0 : ret; -} - -/* ------------------------------------------------------------------------- */ - -static void rtc_write (unsigned char reg, unsigned char val) -{ - unsigned char dout[2]; /* SPI Output Data Bytes */ - unsigned char din[2]; /* SPI Input Data Bytes */ - - dout[0] = 0x80 | reg; - dout[1] = val; - - spi_xfer (slave, 16, dout, din, SPI_XFER_BEGIN | SPI_XFER_END); -} - -#endif /* end of code exclusion (see #ifdef CONFIG_SXNI855T above) */ diff --git a/drivers/rtc/ftrtc010.c b/drivers/rtc/ftrtc010.c deleted file mode 100644 index e384922f473..00000000000 --- a/drivers/rtc/ftrtc010.c +++ /dev/null @@ -1,122 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Faraday FTRTC010 Real Time Clock - * - * (C) Copyright 2009 Faraday Technology - * Po-Yu Chuang ratbert@faraday-tech.com - */ - -#include <config.h> -#include <common.h> -#include <log.h> -#include <rtc.h> -#include <asm/io.h> - -struct ftrtc010 { - unsigned int sec; /* 0x00 */ - unsigned int min; /* 0x04 */ - unsigned int hour; /* 0x08 */ - unsigned int day; /* 0x0c */ - unsigned int alarm_sec; /* 0x10 */ - unsigned int alarm_min; /* 0x14 */ - unsigned int alarm_hour; /* 0x18 */ - unsigned int record; /* 0x1c */ - unsigned int cr; /* 0x20 */ - unsigned int wsec; /* 0x24 */ - unsigned int wmin; /* 0x28 */ - unsigned int whour; /* 0x2c */ - unsigned int wday; /* 0x30 */ - unsigned int intr; /* 0x34 */ - unsigned int div; /* 0x38 */ - unsigned int rev; /* 0x3c */ -}; - -/* - * RTC Control Register - */ -#define FTRTC010_CR_ENABLE (1 << 0) -#define FTRTC010_CR_INTERRUPT_SEC (1 << 1) /* per second irq */ -#define FTRTC010_CR_INTERRUPT_MIN (1 << 2) /* per minute irq */ -#define FTRTC010_CR_INTERRUPT_HR (1 << 3) /* per hour irq */ -#define FTRTC010_CR_INTERRUPT_DAY (1 << 4) /* per day irq */ - -static struct ftrtc010 *rtc = (struct ftrtc010 *)CONFIG_FTRTC010_BASE; - -static void ftrtc010_enable(void) -{ - writel(FTRTC010_CR_ENABLE, &rtc->cr); -} - -/* - * return current time in seconds - */ -static unsigned long ftrtc010_time(void) -{ - unsigned long day; - unsigned long hour; - unsigned long minute; - unsigned long second; - unsigned long second2; - - do { - second = readl(&rtc->sec); - day = readl(&rtc->day); - hour = readl(&rtc->hour); - minute = readl(&rtc->min); - second2 = readl(&rtc->sec); - } while (second != second2); - - return day * 24 * 60 * 60 + hour * 60 * 60 + minute * 60 + second; -} - -/* - * Get the current time from the RTC - */ - -int rtc_get(struct rtc_time *tmp) -{ - unsigned long now; - - debug("%s(): record register: %x\n", - __func__, readl(&rtc->record)); - -#ifdef CFG_FTRTC010_PCLK - now = (ftrtc010_time() + readl(&rtc->record)) / RTC_DIV_COUNT; -#else /* CFG_FTRTC010_EXTCLK */ - now = ftrtc010_time() + readl(&rtc->record); -#endif - - rtc_to_tm(now, tmp); - - return 0; -} - -/* - * Set the RTC - */ -int rtc_set(struct rtc_time *tmp) -{ - unsigned long new; - unsigned long now; - - debug("%s(): DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n", - __func__, - tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday, - tmp->tm_hour, tmp->tm_min, tmp->tm_sec); - - new = rtc_mktime(tmp); - - now = ftrtc010_time(); - - debug("%s(): write %lx to record register\n", __func__, new - now); - - writel(new - now, &rtc->record); - - return 0; -} - -void rtc_reset(void) -{ - debug("%s()\n", __func__); - ftrtc010_enable(); -} diff --git a/drivers/rtc/imxdi.c b/drivers/rtc/imxdi.c deleted file mode 100644 index e3a1393266c..00000000000 --- a/drivers/rtc/imxdi.c +++ /dev/null @@ -1,223 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * (C) Copyright 2009-2012 ADVANSEE - * Benoît Thébaudeau benoit.thebaudeau@advansee.com - * - * Based on the Linux rtc-imxdi.c driver, which is: - * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved. - * Copyright 2010 Orex Computed Radiography - */ - -/* - * Date & Time support for Freescale i.MX DryIce RTC - */ - -#include <common.h> -#include <command.h> -#include <linux/compat.h> -#include <rtc.h> -#include <linux/delay.h> - -#include <asm/io.h> -#include <asm/arch/imx-regs.h> - -/* DryIce Register Definitions */ - -struct imxdi_regs { - u32 dtcmr; /* Time Counter MSB Reg */ - u32 dtclr; /* Time Counter LSB Reg */ - u32 dcamr; /* Clock Alarm MSB Reg */ - u32 dcalr; /* Clock Alarm LSB Reg */ - u32 dcr; /* Control Reg */ - u32 dsr; /* Status Reg */ - u32 dier; /* Interrupt Enable Reg */ -}; - -#define DCAMR_UNSET 0xFFFFFFFF /* doomsday - 1 sec */ - -#define DCR_TCE (1 << 3) /* Time Counter Enable */ - -#define DSR_WBF (1 << 10) /* Write Busy Flag */ -#define DSR_WNF (1 << 9) /* Write Next Flag */ -#define DSR_WCF (1 << 8) /* Write Complete Flag */ -#define DSR_WEF (1 << 7) /* Write Error Flag */ -#define DSR_CAF (1 << 4) /* Clock Alarm Flag */ -#define DSR_NVF (1 << 1) /* Non-Valid Flag */ -#define DSR_SVF (1 << 0) /* Security Violation Flag */ - -#define DIER_WNIE (1 << 9) /* Write Next Interrupt Enable */ -#define DIER_WCIE (1 << 8) /* Write Complete Interrupt Enable */ -#define DIER_WEIE (1 << 7) /* Write Error Interrupt Enable */ -#define DIER_CAIE (1 << 4) /* Clock Alarm Interrupt Enable */ - -/* Driver Private Data */ - -struct imxdi_data { - struct imxdi_regs __iomem *regs; - int init_done; -}; - -static struct imxdi_data data; - -/* - * This function attempts to clear the dryice write-error flag. - * - * A dryice write error is similar to a bus fault and should not occur in - * normal operation. Clearing the flag requires another write, so the root - * cause of the problem may need to be fixed before the flag can be cleared. - */ -static void clear_write_error(void) -{ - int cnt; - - puts("### Warning: RTC - Register write error!\n"); - - /* clear the write error flag */ - __raw_writel(DSR_WEF, &data.regs->dsr); - - /* wait for it to take effect */ - for (cnt = 0; cnt < 1000; cnt++) { - if ((__raw_readl(&data.regs->dsr) & DSR_WEF) == 0) - return; - udelay(10); - } - puts("### Error: RTC - Cannot clear write-error flag!\n"); -} - -/* - * Write a dryice register and wait until it completes. - * - * Use interrupt flags to determine when the write has completed. - */ -#define DI_WRITE_WAIT(val, reg) \ -( \ - /* do the register write */ \ - __raw_writel((val), &data.regs->reg), \ - \ - di_write_wait((val), #reg) \ -) -static int di_write_wait(u32 val, const char *reg) -{ - int cnt; - int ret = 0; - int rc = 0; - - /* wait for the write to finish */ - for (cnt = 0; cnt < 100; cnt++) { - if ((__raw_readl(&data.regs->dsr) & (DSR_WCF | DSR_WEF)) != 0) { - ret = 1; - break; - } - udelay(10); - } - if (ret == 0) - printf("### Warning: RTC - Write-wait timeout " - "val = 0x%.8x reg = %s\n", val, reg); - - /* check for write error */ - if (__raw_readl(&data.regs->dsr) & DSR_WEF) { - clear_write_error(); - rc = -1; - } - - return rc; -} - -/* - * Initialize dryice hardware - */ -static int di_init(void) -{ - int rc = 0; - - data.regs = (struct imxdi_regs __iomem *)IMX_DRYICE_BASE; - - /* mask all interrupts */ - __raw_writel(0, &data.regs->dier); - - /* put dryice into valid state */ - if (__raw_readl(&data.regs->dsr) & DSR_NVF) { - rc = DI_WRITE_WAIT(DSR_NVF | DSR_SVF, dsr); - if (rc) - goto err; - } - - /* initialize alarm */ - rc = DI_WRITE_WAIT(DCAMR_UNSET, dcamr); - if (rc) - goto err; - rc = DI_WRITE_WAIT(0, dcalr); - if (rc) - goto err; - - /* clear alarm flag */ - if (__raw_readl(&data.regs->dsr) & DSR_CAF) { - rc = DI_WRITE_WAIT(DSR_CAF, dsr); - if (rc) - goto err; - } - - /* the timer won't count if it has never been written to */ - if (__raw_readl(&data.regs->dtcmr) == 0) { - rc = DI_WRITE_WAIT(0, dtcmr); - if (rc) - goto err; - } - - /* start keeping time */ - if (!(__raw_readl(&data.regs->dcr) & DCR_TCE)) { - rc = DI_WRITE_WAIT(__raw_readl(&data.regs->dcr) | DCR_TCE, dcr); - if (rc) - goto err; - } - - data.init_done = 1; - return 0; - -err: - return rc; -} - -int rtc_get(struct rtc_time *tmp) -{ - unsigned long now; - int rc = 0; - - if (!data.init_done) { - rc = di_init(); - if (rc) - goto err; - } - - now = __raw_readl(&data.regs->dtcmr); - rtc_to_tm(now, tmp); - -err: - return rc; -} - -int rtc_set(struct rtc_time *tmp) -{ - unsigned long now; - int rc; - - if (!data.init_done) { - rc = di_init(); - if (rc) - goto err; - } - - now = rtc_mktime(tmp); - /* zero the fractional part first */ - rc = DI_WRITE_WAIT(0, dtclr); - if (rc == 0) - rc = DI_WRITE_WAIT(now, dtcmr); - -err: - return rc; -} - -void rtc_reset(void) -{ - di_init(); -} diff --git a/drivers/rtc/max6900.c b/drivers/rtc/max6900.c deleted file mode 100644 index e03a87f94da..00000000000 --- a/drivers/rtc/max6900.c +++ /dev/null @@ -1,105 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * (C) Copyright 2004 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - */ - -/* - * Date & Time support for MAXIM MAX6900 RTC - */ - -/* #define DEBUG */ - -#include <common.h> -#include <command.h> -#include <rtc.h> -#include <i2c.h> -#include <linux/delay.h> - -#ifndef CFG_SYS_I2C_RTC_ADDR -#define CFG_SYS_I2C_RTC_ADDR 0x50 -#endif - -/* ------------------------------------------------------------------------- */ - -static uchar rtc_read (uchar reg) -{ - return (i2c_reg_read (CFG_SYS_I2C_RTC_ADDR, reg)); -} - -static void rtc_write (uchar reg, uchar val) -{ - i2c_reg_write (CFG_SYS_I2C_RTC_ADDR, reg, val); - udelay(2500); -} - -/* ------------------------------------------------------------------------- */ - -int rtc_get (struct rtc_time *tmp) -{ - uchar sec, min, hour, mday, wday, mon, cent, year; - int retry = 1; - - do { - sec = rtc_read (0x80); - min = rtc_read (0x82); - hour = rtc_read (0x84); - mday = rtc_read (0x86); - mon = rtc_read (0x88); - wday = rtc_read (0x8a); - year = rtc_read (0x8c); - cent = rtc_read (0x92); - /* - * Check for seconds rollover - */ - if ((sec != 59) || (rtc_read(0x80) == sec)){ - retry = 0; - } - } while (retry); - - debug ( "Get RTC year: %02x mon: %02x cent: %02x mday: %02x wday: %02x " - "hr: %02x min: %02x sec: %02x\n", - year, mon, cent, mday, wday, - hour, min, sec ); - - tmp->tm_sec = bcd2bin (sec & 0x7F); - tmp->tm_min = bcd2bin (min & 0x7F); - tmp->tm_hour = bcd2bin (hour & 0x3F); - tmp->tm_mday = bcd2bin (mday & 0x3F); - tmp->tm_mon = bcd2bin (mon & 0x1F); - tmp->tm_year = bcd2bin (year) + bcd2bin(cent) * 100; - tmp->tm_wday = bcd2bin (wday & 0x07); - tmp->tm_yday = 0; - tmp->tm_isdst= 0; - - debug ( "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); - - return 0; -} - -int rtc_set (struct rtc_time *tmp) -{ - - debug ( "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); - - rtc_write (0x9E, 0x00); - rtc_write (0x80, 0); /* Clear seconds to ensure no rollover */ - rtc_write (0x92, bin2bcd(tmp->tm_year / 100)); - rtc_write (0x8c, bin2bcd(tmp->tm_year % 100)); - rtc_write (0x8a, bin2bcd(tmp->tm_wday)); - rtc_write (0x88, bin2bcd(tmp->tm_mon)); - rtc_write (0x86, bin2bcd(tmp->tm_mday)); - rtc_write (0x84, bin2bcd(tmp->tm_hour)); - rtc_write (0x82, bin2bcd(tmp->tm_min )); - rtc_write (0x80, bin2bcd(tmp->tm_sec )); - - return 0; -} - -void rtc_reset (void) -{ -} diff --git a/drivers/rtc/mk48t59.c b/drivers/rtc/mk48t59.c deleted file mode 100644 index 8c90a704076..00000000000 --- a/drivers/rtc/mk48t59.c +++ /dev/null @@ -1,175 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Andreas Heppel aheppel@sysgo.de - */ - -/* - * Date & Time support for the MK48T59 RTC - */ - -#undef RTC_DEBUG - -#include <common.h> -#include <command.h> -#include <config.h> -#include <rtc.h> -#include <mk48t59.h> - -#if defined(CONFIG_BAB7xx) - -static uchar rtc_read (short reg) -{ - out8(RTC_PORT_ADDR0, reg & 0xFF); - out8(RTC_PORT_ADDR1, (reg>>8) & 0xFF); - return in8(RTC_PORT_DATA); -} - -static void rtc_write (short reg, uchar val) -{ - out8(RTC_PORT_ADDR0, reg & 0xFF); - out8(RTC_PORT_ADDR1, (reg>>8) & 0xFF); - out8(RTC_PORT_DATA, val); -} - -#elif defined(CONFIG_EVAL5200) - -static uchar rtc_read (short reg) -{ - return in8(RTC(reg)); -} - -static void rtc_write (short reg, uchar val) -{ - out8(RTC(reg),val); -} - -#else -# error Board specific rtc access functions should be supplied -#endif - -/* ------------------------------------------------------------------------- */ - -void *nvram_read(void *dest, const short src, size_t count) -{ - uchar *d = (uchar *) dest; - short s = src; - - while (count--) - *d++ = rtc_read(s++); - - return dest; -} - -void nvram_write(short dest, const void *src, size_t count) -{ - short d = dest; - uchar *s = (uchar *) src; - - while (count--) - rtc_write(d++, *s++); -} - -/* ------------------------------------------------------------------------- */ - -int rtc_get (struct rtc_time *tmp) -{ - uchar save_ctrl_a; - uchar sec, min, hour, mday, wday, mon, year; - - /* Simple: freeze the clock, read it and allow updates again */ - save_ctrl_a = rtc_read(RTC_CONTROLA); - - /* Set the register to read the value. */ - save_ctrl_a |= RTC_CA_READ; - rtc_write(RTC_CONTROLA, save_ctrl_a); - - sec = rtc_read (RTC_SECONDS); - min = rtc_read (RTC_MINUTES); - hour = rtc_read (RTC_HOURS); - mday = rtc_read (RTC_DAY_OF_MONTH); - wday = rtc_read (RTC_DAY_OF_WEEK); - mon = rtc_read (RTC_MONTH); - year = rtc_read (RTC_YEAR); - - /* re-enable update */ - save_ctrl_a &= ~RTC_CA_READ; - rtc_write(RTC_CONTROLA, save_ctrl_a); - -#ifdef RTC_DEBUG - printf ( "Get RTC year: %02x mon/cent: %02x mday: %02x wday: %02x " - "hr: %02x min: %02x sec: %02x\n", - year, mon, mday, wday, - hour, min, sec ); -#endif - tmp->tm_sec = bcd2bin (sec & 0x7F); - tmp->tm_min = bcd2bin (min & 0x7F); - tmp->tm_hour = bcd2bin (hour & 0x3F); - tmp->tm_mday = bcd2bin (mday & 0x3F); - tmp->tm_mon = bcd2bin (mon & 0x1F); - tmp->tm_year = bcd2bin (year); - tmp->tm_wday = bcd2bin (wday & 0x07); - if(tmp->tm_year<70) - tmp->tm_year+=2000; - else - tmp->tm_year+=1900; - tmp->tm_yday = 0; - tmp->tm_isdst= 0; -#ifdef RTC_DEBUG - printf ( "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); -#endif - - return 0; -} - -int rtc_set (struct rtc_time *tmp) -{ - uchar save_ctrl_a; - -#ifdef RTC_DEBUG - printf ( "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); -#endif - save_ctrl_a = rtc_read(RTC_CONTROLA); - - save_ctrl_a |= RTC_CA_WRITE; - rtc_write(RTC_CONTROLA, save_ctrl_a); /* disables the RTC to update the regs */ - - rtc_write (RTC_YEAR, bin2bcd(tmp->tm_year % 100)); - rtc_write (RTC_MONTH, bin2bcd(tmp->tm_mon)); - - rtc_write (RTC_DAY_OF_WEEK, bin2bcd(tmp->tm_wday)); - rtc_write (RTC_DAY_OF_MONTH, bin2bcd(tmp->tm_mday)); - rtc_write (RTC_HOURS, bin2bcd(tmp->tm_hour)); - rtc_write (RTC_MINUTES, bin2bcd(tmp->tm_min )); - rtc_write (RTC_SECONDS, bin2bcd(tmp->tm_sec )); - - save_ctrl_a &= ~RTC_CA_WRITE; - rtc_write(RTC_CONTROLA, save_ctrl_a); /* enables the RTC to update the regs */ - - return 0; -} - -void rtc_reset (void) -{ - uchar control_b; - - /* - * Start oscillator here. - */ - control_b = rtc_read(RTC_CONTROLB); - - control_b &= ~RTC_CB_STOP; - rtc_write(RTC_CONTROLB, control_b); -} - -void rtc_set_watchdog(short multi, short res) -{ - uchar wd_value; - - wd_value = RTC_WDS | ((multi & 0x1F) << 2) | (res & 0x3); - rtc_write(RTC_WATCHDOG, wd_value); -} diff --git a/drivers/rtc/mx27rtc.c b/drivers/rtc/mx27rtc.c deleted file mode 100644 index 563e8a4a361..00000000000 --- a/drivers/rtc/mx27rtc.c +++ /dev/null @@ -1,64 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Freescale i.MX27 RTC Driver - * - * Copyright (C) 2012 Philippe Reynes tremyfr@yahoo.fr - */ - -#include <common.h> -#include <rtc.h> -#include <asm/io.h> -#include <asm/arch/imx-regs.h> - -#define HOUR_SHIFT 8 -#define HOUR_MASK 0x1f -#define MIN_SHIFT 0 -#define MIN_MASK 0x3f - -int rtc_get(struct rtc_time *time) -{ - struct rtc_regs *rtc_regs = (struct rtc_regs *)IMX_RTC_BASE; - uint32_t day, hour, min, sec; - - day = readl(&rtc_regs->dayr); - hour = readl(&rtc_regs->hourmin); - sec = readl(&rtc_regs->seconds); - - min = (hour >> MIN_SHIFT) & MIN_MASK; - hour = (hour >> HOUR_SHIFT) & HOUR_MASK; - - sec += min * 60 + hour * 3600 + day * 24 * 3600; - - rtc_to_tm(sec, time); - - return 0; -} - -int rtc_set(struct rtc_time *time) -{ - struct rtc_regs *rtc_regs = (struct rtc_regs *)IMX_RTC_BASE; - uint32_t day, hour, min, sec; - - sec = rtc_mktime(time); - - day = sec / (24 * 3600); - sec = sec % (24 * 3600); - hour = sec / 3600; - sec = sec % 3600; - min = sec / 60; - sec = sec % 60; - - hour = (hour & HOUR_MASK) << HOUR_SHIFT; - hour |= (min & MIN_MASK) << MIN_SHIFT; - - writel(day, &rtc_regs->dayr); - writel(hour, &rtc_regs->hourmin); - writel(sec, &rtc_regs->seconds); - - return 0; -} - -void rtc_reset(void) -{ - /* nothing to do */ -} diff --git a/drivers/rtc/rs5c372.c b/drivers/rtc/rs5c372.c deleted file mode 100644 index 6b1c23ca5db..00000000000 --- a/drivers/rtc/rs5c372.c +++ /dev/null @@ -1,256 +0,0 @@ -/* - * rs5c372.c - * - * Device driver for Ricoh's Real Time Controller RS5C372A. - * - * Copyright (C) 2004 Gary Jennejohn garyj@denx.de - * - * Based in part in ds1307.c - - * (C) Copyright 2001, 2002, 2003 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * Keith Outwater, keith_outwater@mvis.com` - * Steven Scholz, steven.scholz@imc-berlin.de - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <common.h> -#include <command.h> -#include <rtc.h> -#include <i2c.h> - -/* - * Reads are always done starting with register 15, which requires some - * jumping-through-hoops to access the data correctly. - * - * Writes are always done starting with register 0. - */ - -#define DEBUG 0 - -#if DEBUG -static unsigned int rtc_debug = DEBUG; -#else -#define rtc_debug 0 /* gcc will remove all the debug code for us */ -#endif - -#ifndef CFG_SYS_I2C_RTC_ADDR -#define CFG_SYS_I2C_RTC_ADDR 0x32 -#endif - -#define RS5C372_RAM_SIZE 0x10 -#define RATE_32000HZ 0x80 /* Rate Select 32.000KHz */ -#define RATE_32768HZ 0x00 /* Rate Select 32.768KHz */ - -#define STATUS_XPT 0x10 /* data invalid because voltage was 0 */ - -#define USE_24HOUR_MODE 0x20 -#define TWELVE_HOUR_MODE(n) ((((n) >> 5) & 1) == 0) -#define HOURS_AP(n) (((n) >> 5) & 1) -#define HOURS_12(n) bcd2bin((n) & 0x1F) -#define HOURS_24(n) bcd2bin((n) & 0x3F) - - -static int setup_done = 0; - -static int -rs5c372_readram(unsigned char *buf, int len) -{ - int ret; - - ret = i2c_read(CFG_SYS_I2C_RTC_ADDR, 0, 0, buf, len); - if (ret != 0) { - printf("%s: failed to read\n", __FUNCTION__); - return ret; - } - - if (buf[0] & STATUS_XPT) - printf("### Warning: RTC lost power\n"); - - return ret; -} - -static void -rs5c372_enable(void) -{ - unsigned char buf[RS5C372_RAM_SIZE + 1]; - int ret; - - /* note that this returns reg. 15 in buf[1] */ - ret = rs5c372_readram(&buf[1], RS5C372_RAM_SIZE); - if (ret != 0) { - printf("%s: failed\n", __FUNCTION__); - return; - } - - buf[0] = 0; - /* we want to start writing at register 0 so we have to copy the */ - /* register contents up one slot */ - for (ret = 2; ret < 9; ret++) - buf[ret - 1] = buf[ret]; - /* registers 0 to 6 (time values) are not touched */ - buf[8] = RATE_32768HZ; /* reg. 7 */ - buf[9] = 0; /* reg. 8 */ - buf[10] = 0; /* reg. 9 */ - buf[11] = 0; /* reg. 10 */ - buf[12] = 0; /* reg. 11 */ - buf[13] = 0; /* reg. 12 */ - buf[14] = 0; /* reg. 13 */ - buf[15] = 0; /* reg. 14 */ - buf[16] = USE_24HOUR_MODE; /* reg. 15 */ - ret = i2c_write(CFG_SYS_I2C_RTC_ADDR, 0, 0, buf, RS5C372_RAM_SIZE+1); - if (ret != 0) { - printf("%s: failed\n", __FUNCTION__); - return; - } - setup_done = 1; - - return; -} - -static void -rs5c372_convert_to_time(struct rtc_time *dt, unsigned char *buf) -{ - /* buf[0] is register 15 */ - dt->tm_sec = bcd2bin(buf[1]); - dt->tm_min = bcd2bin(buf[2]); - - if (TWELVE_HOUR_MODE(buf[0])) { - dt->tm_hour = HOURS_12(buf[3]); - if (HOURS_AP(buf[3])) /* PM */ - dt->tm_hour += 12; - } else /* 24-hour-mode */ - dt->tm_hour = HOURS_24(buf[3]); - - dt->tm_mday = bcd2bin(buf[5]); - dt->tm_mon = bcd2bin(buf[6]); - dt->tm_year = bcd2bin(buf[7]); - if (dt->tm_year >= 70) - dt->tm_year += 1900; - else - dt->tm_year += 2000; - /* 0 is Sunday */ - dt->tm_wday = bcd2bin(buf[4] & 0x07); - dt->tm_yday = 0; - dt->tm_isdst= 0; - - if(rtc_debug > 2) { - printf("rs5c372_convert_to_time: year = %d\n", dt->tm_year); - printf("rs5c372_convert_to_time: mon = %d\n", dt->tm_mon); - printf("rs5c372_convert_to_time: mday = %d\n", dt->tm_mday); - printf("rs5c372_convert_to_time: hour = %d\n", dt->tm_hour); - printf("rs5c372_convert_to_time: min = %d\n", dt->tm_min); - printf("rs5c372_convert_to_time: sec = %d\n", dt->tm_sec); - } -} - -/* - * Get the current time from the RTC - */ -int -rtc_get (struct rtc_time *tmp) -{ - unsigned char buf[RS5C372_RAM_SIZE]; - int ret; - - if (!setup_done) - rs5c372_enable(); - - if (!setup_done) - return -1; - - memset(buf, 0, sizeof(buf)); - - /* note that this returns reg. 15 in buf[0] */ - ret = rs5c372_readram(buf, RS5C372_RAM_SIZE); - if (ret != 0) { - printf("%s: failed\n", __FUNCTION__); - return -1; - } - - rs5c372_convert_to_time(tmp, buf); - - return 0; -} - -/* - * Set the RTC - */ -int rtc_set (struct rtc_time *tmp) -{ - unsigned char buf[8], reg15; - int ret; - - if (!setup_done) - rs5c372_enable(); - - if (!setup_done) - return -1; - - if(rtc_debug > 2) { - printf("rtc_set: tm_year = %d\n", tmp->tm_year); - printf("rtc_set: tm_mon = %d\n", tmp->tm_mon); - printf("rtc_set: tm_mday = %d\n", tmp->tm_mday); - printf("rtc_set: tm_hour = %d\n", tmp->tm_hour); - printf("rtc_set: tm_min = %d\n", tmp->tm_min); - printf("rtc_set: tm_sec = %d\n", tmp->tm_sec); - } - - memset(buf, 0, sizeof(buf)); - - /* only read register 15 */ - ret = i2c_read(CFG_SYS_I2C_RTC_ADDR, 0, 0, buf, 1); - - if (ret == 0) { - /* need to save register 15 */ - reg15 = buf[0]; - buf[0] = 0; /* register address on RS5C372 */ - buf[1] = bin2bcd(tmp->tm_sec); - buf[2] = bin2bcd(tmp->tm_min); - /* need to handle 12 hour mode */ - if (TWELVE_HOUR_MODE(reg15)) { - if (tmp->tm_hour >= 12) { /* PM */ - /* 12 PM is a special case */ - if (tmp->tm_hour == 12) - buf[3] = bin2bcd(tmp->tm_hour); - else - buf[3] = bin2bcd(tmp->tm_hour - 12); - buf[3] |= 0x20; - } - } else { - buf[3] = bin2bcd(tmp->tm_hour); - } - - buf[4] = bin2bcd(tmp->tm_wday); - buf[5] = bin2bcd(tmp->tm_mday); - buf[6] = bin2bcd(tmp->tm_mon); - if (tmp->tm_year < 1970 || tmp->tm_year > 2069) - printf("WARNING: year should be between 1970 and 2069!\n"); - buf[7] = bin2bcd(tmp->tm_year % 100); - - ret = i2c_write(CFG_SYS_I2C_RTC_ADDR, 0, 0, buf, 8); - if (ret != 0) { - printf("rs5c372_set_datetime(), i2c_master_send() returned %d\n",ret); - return -1; - } - } else { - return -1; - } - - return 0; -} - -/* - * Reset the RTC. - */ -void -rtc_reset (void) -{ - if (!setup_done) - rs5c372_enable(); -} diff --git a/drivers/rtc/s3c24x0_rtc.c b/drivers/rtc/s3c24x0_rtc.c deleted file mode 100644 index 96ea3cf878e..00000000000 --- a/drivers/rtc/s3c24x0_rtc.c +++ /dev/null @@ -1,149 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * (C) Copyright 2003 - * David Müller ELSOFT AG Switzerland. d.mueller@elsoft.ch - */ - -/* - * Date & Time support for the built-in Samsung S3C24X0 RTC - */ - -#include <common.h> -#include <command.h> - -#include <asm/arch/s3c24x0_cpu.h> - -#include <rtc.h> -#include <asm/io.h> -#include <linux/compiler.h> - -typedef enum { - RTC_ENABLE, - RTC_DISABLE -} RTC_ACCESS; - - -static inline void SetRTC_Access(RTC_ACCESS a) -{ - struct s3c24x0_rtc *rtc = s3c24x0_get_base_rtc(); - - switch (a) { - case RTC_ENABLE: - writeb(readb(&rtc->rtccon) | 0x01, &rtc->rtccon); - break; - - case RTC_DISABLE: - writeb(readb(&rtc->rtccon) & ~0x01, &rtc->rtccon); - break; - } -} - -/* ------------------------------------------------------------------------- */ - -int rtc_get(struct rtc_time *tmp) -{ - struct s3c24x0_rtc *rtc = s3c24x0_get_base_rtc(); - uchar sec, min, hour, mday, wday, mon, year; - __maybe_unused uchar a_sec, a_min, a_hour, a_date, - a_mon, a_year, a_armed; - - /* enable access to RTC registers */ - SetRTC_Access(RTC_ENABLE); - - /* read RTC registers */ - do { - sec = readb(&rtc->bcdsec); - min = readb(&rtc->bcdmin); - hour = readb(&rtc->bcdhour); - mday = readb(&rtc->bcddate); - wday = readb(&rtc->bcdday); - mon = readb(&rtc->bcdmon); - year = readb(&rtc->bcdyear); - } while (sec != readb(&rtc->bcdsec)); - - /* read ALARM registers */ - a_sec = readb(&rtc->almsec); - a_min = readb(&rtc->almmin); - a_hour = readb(&rtc->almhour); - a_date = readb(&rtc->almdate); - a_mon = readb(&rtc->almmon); - a_year = readb(&rtc->almyear); - a_armed = readb(&rtc->rtcalm); - - /* disable access to RTC registers */ - SetRTC_Access(RTC_DISABLE); - -#ifdef RTC_DEBUG - printf("Get RTC year: %02x mon/cent: %02x mday: %02x wday: %02x " - "hr: %02x min: %02x sec: %02x\n", - year, mon, mday, wday, hour, min, sec); - printf("Alarms: %02x: year: %02x month: %02x date: %02x hour: " - "%02x min: %02x sec: %02x\n", - a_armed, a_year, a_mon, a_date, a_hour, a_min, a_sec); -#endif - - tmp->tm_sec = bcd2bin(sec & 0x7F); - tmp->tm_min = bcd2bin(min & 0x7F); - tmp->tm_hour = bcd2bin(hour & 0x3F); - tmp->tm_mday = bcd2bin(mday & 0x3F); - tmp->tm_mon = bcd2bin(mon & 0x1F); - tmp->tm_year = bcd2bin(year); - tmp->tm_wday = bcd2bin(wday & 0x07); - if (tmp->tm_year < 70) - tmp->tm_year += 2000; - else - tmp->tm_year += 1900; - tmp->tm_yday = 0; - tmp->tm_isdst = 0; -#ifdef RTC_DEBUG - printf("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); -#endif - - return 0; -} - -int rtc_set(struct rtc_time *tmp) -{ - struct s3c24x0_rtc *rtc = s3c24x0_get_base_rtc(); - uchar sec, min, hour, mday, wday, mon, year; - -#ifdef RTC_DEBUG - printf("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); -#endif - year = bin2bcd(tmp->tm_year % 100); - mon = bin2bcd(tmp->tm_mon); - wday = bin2bcd(tmp->tm_wday); - mday = bin2bcd(tmp->tm_mday); - hour = bin2bcd(tmp->tm_hour); - min = bin2bcd(tmp->tm_min); - sec = bin2bcd(tmp->tm_sec); - - /* enable access to RTC registers */ - SetRTC_Access(RTC_ENABLE); - - /* write RTC registers */ - writeb(sec, &rtc->bcdsec); - writeb(min, &rtc->bcdmin); - writeb(hour, &rtc->bcdhour); - writeb(mday, &rtc->bcddate); - writeb(wday, &rtc->bcdday); - writeb(mon, &rtc->bcdmon); - writeb(year, &rtc->bcdyear); - - /* disable access to RTC registers */ - SetRTC_Access(RTC_DISABLE); - - return 0; -} - -void rtc_reset(void) -{ - struct s3c24x0_rtc *rtc = s3c24x0_get_base_rtc(); - - writeb((readb(&rtc->rtccon) & ~0x06) | 0x08, &rtc->rtccon); - writeb(readb(&rtc->rtccon) & ~(0x08 | 0x01), &rtc->rtccon); -} diff --git a/drivers/rtc/x1205.c b/drivers/rtc/x1205.c deleted file mode 100644 index 4a8d1c5903f..00000000000 --- a/drivers/rtc/x1205.c +++ /dev/null @@ -1,161 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * (C) Copyright 2007 - * Stefan Roese, DENX Software Engineering, sr@denx.de. - * - * based on a the Linux rtc-x1207.c driver which is: - * Copyright 2004 Karen Spearel - * Copyright 2005 Alessandro Zummo - * - * Information and datasheet: - * http://www.intersil.com/cda/deviceinfo/0,1477,X1205,00.html - */ - -/* - * Date & Time support for Xicor/Intersil X1205 RTC - */ - -/* #define DEBUG */ - -#include <common.h> -#include <command.h> -#include <log.h> -#include <rtc.h> -#include <i2c.h> - -#define CCR_SEC 0 -#define CCR_MIN 1 -#define CCR_HOUR 2 -#define CCR_MDAY 3 -#define CCR_MONTH 4 -#define CCR_YEAR 5 -#define CCR_WDAY 6 -#define CCR_Y2K 7 - -#define X1205_REG_SR 0x3F /* status register */ -#define X1205_REG_Y2K 0x37 -#define X1205_REG_DW 0x36 -#define X1205_REG_YR 0x35 -#define X1205_REG_MO 0x34 -#define X1205_REG_DT 0x33 -#define X1205_REG_HR 0x32 -#define X1205_REG_MN 0x31 -#define X1205_REG_SC 0x30 -#define X1205_REG_DTR 0x13 -#define X1205_REG_ATR 0x12 -#define X1205_REG_INT 0x11 -#define X1205_REG_0 0x10 -#define X1205_REG_Y2K1 0x0F -#define X1205_REG_DWA1 0x0E -#define X1205_REG_YRA1 0x0D -#define X1205_REG_MOA1 0x0C -#define X1205_REG_DTA1 0x0B -#define X1205_REG_HRA1 0x0A -#define X1205_REG_MNA1 0x09 -#define X1205_REG_SCA1 0x08 -#define X1205_REG_Y2K0 0x07 -#define X1205_REG_DWA0 0x06 -#define X1205_REG_YRA0 0x05 -#define X1205_REG_MOA0 0x04 -#define X1205_REG_DTA0 0x03 -#define X1205_REG_HRA0 0x02 -#define X1205_REG_MNA0 0x01 -#define X1205_REG_SCA0 0x00 - -#define X1205_CCR_BASE 0x30 /* Base address of CCR */ -#define X1205_ALM0_BASE 0x00 /* Base address of ALARM0 */ - -#define X1205_SR_RTCF 0x01 /* Clock failure */ -#define X1205_SR_WEL 0x02 /* Write Enable Latch */ -#define X1205_SR_RWEL 0x04 /* Register Write Enable */ - -#define X1205_DTR_DTR0 0x01 -#define X1205_DTR_DTR1 0x02 -#define X1205_DTR_DTR2 0x04 - -#define X1205_HR_MIL 0x80 /* Set in ccr.hour for 24 hr mode */ - -static void rtc_write(int reg, u8 val) -{ - i2c_write(CFG_SYS_I2C_RTC_ADDR, reg, 2, &val, 1); -} - -/* - * In the routines that deal directly with the x1205 hardware, we use - * rtc_time -- month 0-11, hour 0-23, yr = calendar year-epoch - * Epoch is initialized as 2000. Time is set to UTC. - */ -int rtc_get(struct rtc_time *tm) -{ - u8 buf[8]; - - i2c_read(CFG_SYS_I2C_RTC_ADDR, X1205_CCR_BASE, 2, buf, 8); - - debug("%s: raw read data - sec=%02x, min=%02x, hr=%02x, " - "mday=%02x, mon=%02x, year=%02x, wday=%02x, y2k=%02x\n", - __FUNCTION__, - buf[0], buf[1], buf[2], buf[3], - buf[4], buf[5], buf[6], buf[7]); - - tm->tm_sec = bcd2bin(buf[CCR_SEC]); - tm->tm_min = bcd2bin(buf[CCR_MIN]); - tm->tm_hour = bcd2bin(buf[CCR_HOUR] & 0x3F); /* hr is 0-23 */ - tm->tm_mday = bcd2bin(buf[CCR_MDAY]); - tm->tm_mon = bcd2bin(buf[CCR_MONTH]); /* mon is 0-11 */ - tm->tm_year = bcd2bin(buf[CCR_YEAR]) - + (bcd2bin(buf[CCR_Y2K]) * 100); - tm->tm_wday = buf[CCR_WDAY]; - - debug("%s: tm is secs=%d, mins=%d, hours=%d, " - "mday=%d, mon=%d, year=%d, wday=%d\n", - __FUNCTION__, - tm->tm_sec, tm->tm_min, tm->tm_hour, - tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_wday); - - return 0; -} - -int rtc_set(struct rtc_time *tm) -{ - int i; - u8 buf[8]; - - debug("Set DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n", - tm->tm_year, tm->tm_mon, tm->tm_mday, tm->tm_wday, - tm->tm_hour, tm->tm_min, tm->tm_sec); - - buf[CCR_SEC] = bin2bcd(tm->tm_sec); - buf[CCR_MIN] = bin2bcd(tm->tm_min); - - /* set hour and 24hr bit */ - buf[CCR_HOUR] = bin2bcd(tm->tm_hour) | X1205_HR_MIL; - - buf[CCR_MDAY] = bin2bcd(tm->tm_mday); - - /* month, 1 - 12 */ - buf[CCR_MONTH] = bin2bcd(tm->tm_mon); - - /* year, since the rtc epoch*/ - buf[CCR_YEAR] = bin2bcd(tm->tm_year % 100); - buf[CCR_WDAY] = tm->tm_wday & 0x07; - buf[CCR_Y2K] = bin2bcd(tm->tm_year / 100); - - /* this sequence is required to unlock the chip */ - rtc_write(X1205_REG_SR, X1205_SR_WEL); - rtc_write(X1205_REG_SR, X1205_SR_WEL | X1205_SR_RWEL); - - /* write register's data */ - for (i = 0; i < 8; i++) - rtc_write(X1205_CCR_BASE + i, buf[i]); - - rtc_write(X1205_REG_SR, 0); - - return 0; -} - -void rtc_reset(void) -{ - /* - * Nothing to do - */ -}