| Message ID | 1311715171-13128-1-git-send-email-u-boot@lakedaemon.net |
|---|---|
| State | Superseded |
| Headers | show |
> -----Original Message----- > From: Jason Cooper [mailto:u-boot@lakedaemon.net] > Sent: Wednesday, July 27, 2011 2:49 AM > To: clint@debian.org; wd@denx.de; Prafulla Wadaskar > Cc: u-boot@lists.denx.de; Prabhanjan Sarnaik; Ashish Karkare; Siddarth > Gore; bdale@gag.com; Jason Cooper > Subject: RFC [PATCH 1/5] drivers/rtc: add Marvell Integrated RTC. > > > Signed-off-by: Jason Cooper <u-boot@lakedaemon.net> > --- > drivers/rtc/Makefile | 1 + > drivers/rtc/mvinteg_rtc.c | 151 Filename mvrtc.c sounds more relevent > +++++++++++++++++++++++++++++++++++++++++++++ > drivers/rtc/mvinteg_rtc.h | 89 ++++++++++++++++++++++++++ > 3 files changed, 241 insertions(+), 0 deletions(-) > create mode 100644 drivers/rtc/mvinteg_rtc.c > create mode 100644 drivers/rtc/mvinteg_rtc.h > > diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile > index e4be4a4..ed63e9c 100644 > --- a/drivers/rtc/Makefile > +++ b/drivers/rtc/Makefile > @@ -55,6 +55,7 @@ COBJS-$(CONFIG_MCFRTC) += mcfrtc.o > COBJS-$(CONFIG_RTC_MK48T59) += mk48t59.o > COBJS-$(CONFIG_RTC_MPC5200) += mpc5xxx.o > COBJS-$(CONFIG_RTC_MPC8xx) += mpc8xx.o > +COBJS-$(CONFIG_RTC_MVINTEG) += mvinteg_rtc.o > COBJS-$(CONFIG_RTC_PCF8563) += pcf8563.o > COBJS-$(CONFIG_RTC_PL031) += pl031.o > COBJS-$(CONFIG_RTC_PT7C4338) += pt7c4338.o > diff --git a/drivers/rtc/mvinteg_rtc.c b/drivers/rtc/mvinteg_rtc.c > new file mode 100644 > index 0000000..295e4f7 > --- /dev/null > +++ b/drivers/rtc/mvinteg_rtc.c > @@ -0,0 +1,151 @@ > +/* > + * Copyright (C) 2011 > + * Jason Cooper <u-boot@lakedaemon.net> > + * > + * 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 as > + * published by the Free Software Foundation; either version 2 of > + * the License, or (at your option) any later version. > + * > + * This program is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + * > + * You should have received a copy of the GNU General Public License > + * along with this program; if not, write to the Free Software > + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, > + * MA 02111-1307 USA > + */ > + > +/* > + * Date & Time support for Marvell Integrated RTC > + */ > + > +#include <common.h> > +#include <command.h> > +#include <rtc.h> > +#include "mvinteg_rtc.h" > + > +/* This RTC does not support century, so we assume 20 */ > +#define CENTURY 20 > + > +int rtc_get(struct rtc_time *t) > +{ > + u32 time; > + u32 date; > + u8 tens; > + u8 single; > + > + /* read the time register */ > + time = MV_REG_READ(MVINTEG_RTCTIME_REG); > + > + /* read the date register */ > + date = MV_REG_READ(MVINTEG_RTCDATE_REG); > + > + /* seconds */ > + tens = ((time & MVINTEG_10SEC_MSK) >> MVINTEG_10SEC_SFT); > + single = ((time & MVINTEG_SEC_MSK) >> MVINTEG_SEC_SFT); > + t->tm_sec = 10 * tens + single; > + > + /* minutes */ > + tens = ((time & MVINTEG_10MIN_MSK) >> MVINTEG_10MIN_SFT); > + single = ((time & MVINTEG_MIN_MSK) >> MVINTEG_MIN_SFT); > + t->tm_min = 10 * tens + single; > + > + /* hours */ > + tens = ((time & MVINTEG_10HOUR_MSK) >> MVINTEG_10HOUR_SFT); > + single = ((time & MVINTEG_HOUR_MSK) >> MVINTEG_HOUR_SFT); > + t->tm_hour = 10 * tens + single; > + > + /* day */ > + t->tm_wday = ((time & MVINTEG_DAY_MSK) >> MVINTEG_DAY_SFT); > + t->tm_wday--; > + > + /* date */ > + tens = ((date & MVINTEG_10DATE_MSK) >> MVINTEG_10DATE_SFT); > + single = ((date & MVINTEG_DATE_MSK) >> MVINTEG_DATE_SFT); > + t->tm_mday = 10 * tens + single; > + > + /* month */ > + tens = ((date & MVINTEG_10MON_MSK) >> MVINTEG_10MON_SFT); > + single = ((date & MVINTEG_MON_MSK) >> MVINTEG_MON_SFT); > + t->tm_mon = 10 * tens + single; > + > + /* year */ > + tens = ((date & MVINTEG_10YEAR_MSK) >> MVINTEG_10YEAR_SFT); > + single = ((date & MVINTEG_YEAR_MSK) >> MVINTEG_YEAR_SFT); > + t->tm_year = (CENTURY * 100) + (10 * tens) + single; > + > + /* not supported in this RTC */ > + t->tm_yday = 0; > + t->tm_isdst = 0; > + > + return 0; > +} > + > +int rtc_set(struct rtc_time *t) > +{ > + u32 time = 0; > + u32 date = 0; > + u32 tens; > + u32 single; > + > + /* seconds */ > + tens = t->tm_sec / 10; > + single = t->tm_sec % 10; > + time |= ((tens << MVINTEG_10SEC_SFT) & MVINTEG_10SEC_MSK) | > + ((single << MVINTEG_SEC_SFT) & MVINTEG_SEC_MSK); > + > + /* minutes */ > + tens = t->tm_min / 10; > + single = t->tm_min % 10; > + time |= ((tens << MVINTEG_10MIN_SFT) & MVINTEG_10MIN_MSK) | > + ((single << MVINTEG_MIN_SFT) & MVINTEG_MIN_MSK); > + > + /* hours (24) */ > + tens = t->tm_hour / 10; > + single = t->tm_hour % 10; > + time |= ((tens << MVINTEG_10HOUR_SFT) & MVINTEG_10HOUR_MSK) | > + ((single << MVINTEG_HOUR_SFT) & MVINTEG_HOUR_MSK); > + > + /* day */ > + single = t->tm_wday + 1; > + time |= ((single << MVINTEG_DAY_SFT) & MVINTEG_DAY_MSK); > + > + /* date */ > + tens = t->tm_mday / 10; > + single = t->tm_mday % 10; > + date |= ((tens << MVINTEG_10DATE_SFT) & MVINTEG_10DATE_MSK) | > + ((single << MVINTEG_DATE_SFT) & MVINTEG_DATE_MSK); > + > + /* month */ > + tens = t->tm_mon / 10; > + single = t->tm_mon % 10; > + date |= ((tens << MVINTEG_10MON_SFT) & MVINTEG_10MON_MSK) | > + ((single << MVINTEG_MON_SFT) & MVINTEG_MON_MSK); > + > + /* year */ > + if ((t->tm_year / 100) != CENTURY) > + printf("Warning: Only century %d supported.\n", CENTURY); > + tens = (t->tm_year % 100) / 10; > + single = (t->tm_year % 100) % 10; > + date |= ((tens << MVINTEG_10YEAR_SFT) & MVINTEG_10YEAR_MSK) | > + ((single << MVINTEG_YEAR_SFT) & MVINTEG_YEAR_MSK); > + > + /* write the time register */ > + MV_REG_WRITE(MVINTEG_RTCTIME_REG, time); > + > + /* write the date register */ > + MV_REG_WRITE(MVINTEG_RTCDATE_REG, date); > + > + return 0; > +} > + > +void rtc_reset(void) > +{ > + /* no init routine for this RTC needed */ > +} > diff --git a/drivers/rtc/mvinteg_rtc.h b/drivers/rtc/mvinteg_rtc.h > new file mode 100644 > index 0000000..522c5d0 > --- /dev/null > +++ b/drivers/rtc/mvinteg_rtc.h > @@ -0,0 +1,89 @@ > +/* > + * Copyright (C) 2011 > + * Jason Cooper <u-boot@lakedaemon.net> > + * > + * 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 as > + * published by the Free Software Foundation; either version 2 of > + * the License, or (at your option) any later version. > + * > + * This program is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + * > + * You should have received a copy of the GNU General Public License > + * along with this program; if not, write to the Free Software > + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, > + * MA 02111-1307 USA > + */ > + > +/* > + * Date & Time support for Marvell Integrated RTC > + */ > + > +#ifndef _MVINTEG_RTC_H_ > +#define _MVINTEG_RTC_H_ > + > +#include <compiler.h> > + > +#define INTERNAL_REG_BASE_ADDR 0xf1000000 This must go in kirkood.h > + > +/* register operations macros */ > +#define MV_REG_READ(offset) \ > + le32_to_cpu( \ > + *(volatile unsigned int *)(INTERNAL_REG_BASE_ADDR + offset)) > + > +#define MV_REG_WRITE(offset, data) \ > + do { \ > + *(volatile unsigned int *)(INTERNAL_REG_BASE_ADDR + offset) = \ > + cpu_to_le32(data); \ > + } while (0); > + > +/* RTC registers */ > +#define MVINTEG_RTCTIME_REG 0x10300 > +#define MVINTEG_RTCDATE_REG 0x10304 NAK, please use c-strut for register definations > + > +/* time register */ > +#define MVINTEG_SEC_SFT 0 > +#define MVINTEG_SEC_MSK (0xf << MVINTEG_SEC_SFT) > +#define MVINTEG_10SEC_SFT 4 > +#define MVINTEG_10SEC_MSK (0x7 << MVINTEG_10SEC_SFT) > + > +#define MVINTEG_MIN_SFT 8 > +#define MVINTEG_MIN_MSK (0xf << MVINTEG_MIN_SFT) > +#define MVINTEG_10MIN_SFT 12 > +#define MVINTEG_10MIN_MSK (0x7 << MVINTEG_10MIN_SFT) > + > +#define MVINTEG_HOUR_SFT 16 > +#define MVINTEG_HOUR_MSK (0xf << MVINTEG_HOUR_SFT) > +#define MVINTEG_10HOUR_SFT 20 > +#define MVINTEG_10HOUR_MSK (0x3 << MVINTEG_10HOUR_SFT) > + > +#define MVINTEG_HRFMT_SFT 22 > +#define MVINTEG_HRFMT12_MSK (0x1 << MVINTEG_HRFMT_SFT) > +#define MVINTEG_HRFMT24_MSK (0x0 << MVINTEG_HRFMT_SFT) > + > +#define MVINTEG_DAY_SFT 24 > +#define MVINTEG_DAY_MSK (0x7 << MVINTEG_DAY_SFT) > + > +/* date register */ > +#define MVINTEG_DATE_SFT 0 > +#define MVINTEG_DATE_MSK (0xf << MVINTEG_DATE_SFT) > +#define MVINTEG_10DATE_SFT 4 > +#define MVINTEG_10DATE_MSK (0x3 << MVINTEG_10DATE_SFT) > + > +#define MVINTEG_MON_SFT 8 > +#define MVINTEG_MON_MSK (0xf << MVINTEG_MON_SFT) > +#define MVINTEG_10MON_SFT 12 > +#define MVINTEG_10MON_MSK (0x1 << MVINTEG_10MON_SFT) > + > +#define MVINTEG_YEAR_SFT 16 > +#define MVINTEG_YEAR_MSK (0xf << MVINTEG_YEAR_SFT) > +#define MVINTEG_10YEAR_SFT 20 > +#define MVINTEG_10YEAR_MSK (0xf << MVINTEG_10YEAR_SFT) > + > +#endif > -- Regards.. Prafulla . . > 1.7.0.4
On Wed, Jul 27, 2011 at 11:12:35AM -0700, Prafulla Wadaskar wrote: > > > > -----Original Message----- > > From: Jason Cooper [mailto:u-boot@lakedaemon.net] > > Sent: Wednesday, July 27, 2011 2:49 AM > > To: clint@debian.org; wd@denx.de; Prafulla Wadaskar > > Cc: u-boot@lists.denx.de; Prabhanjan Sarnaik; Ashish Karkare; Siddarth > > Gore; bdale@gag.com; Jason Cooper > > Subject: RFC [PATCH 1/5] drivers/rtc: add Marvell Integrated RTC. > > > > > > Signed-off-by: Jason Cooper <u-boot@lakedaemon.net> > > --- > > drivers/rtc/Makefile | 1 + > > drivers/rtc/mvinteg_rtc.c | 151 > > Filename mvrtc.c sounds more relevent Will do. ... > > +#define INTERNAL_REG_BASE_ADDR 0xf1000000 > > This must go in kirkood.h Thanks. That didn't feel right to me, but I didn't know the proper place to put it. ... > > + > > +/* register operations macros */ > > +#define MV_REG_READ(offset) \ > > + le32_to_cpu( \ > > + *(volatile unsigned int *)(INTERNAL_REG_BASE_ADDR + offset)) > > + > > +#define MV_REG_WRITE(offset, data) \ > > + do { \ > > + *(volatile unsigned int *)(INTERNAL_REG_BASE_ADDR + offset) = \ > > + cpu_to_le32(data); \ > > + } while (0); > > + > > +/* RTC registers */ > > +#define MVINTEG_RTCTIME_REG 0x10300 > > +#define MVINTEG_RTCDATE_REG 0x10304 > > NAK, please use c-strut for register definations So then, in kirkwood.h: #define KW_RTC_BASE (KW_REGISTER(0x10300)) and then use accordingly: struct mvrtc_registers { u32 time; u32 date; }; struct mvrtc_registers *mvrtc_regs = (struct mvrtc_registers *)KW_RTC_BASE; Right? I'm basing this on kirkwood/timer.c ... > Regards.. > Prafulla . . As always, thanks for the review and comments. thx, Jason.
> -----Original Message----- > From: Jason [mailto:twuug@lakedaemon.net] > Sent: Thursday, July 28, 2011 6:52 AM > To: Prafulla Wadaskar > Cc: clint@debian.org; wd@denx.de; u-boot@lists.denx.de; Prabhanjan > Sarnaik; Ashish Karkare; Siddarth Gore; bdale@gag.com > Subject: Re: RFC [PATCH 1/5] drivers/rtc: add Marvell Integrated RTC. > > On Wed, Jul 27, 2011 at 11:12:35AM -0700, Prafulla Wadaskar wrote: > > > > > > > -----Original Message----- > > > From: Jason Cooper [mailto:u-boot@lakedaemon.net] > > > Sent: Wednesday, July 27, 2011 2:49 AM > > > To: clint@debian.org; wd@denx.de; Prafulla Wadaskar > > > Cc: u-boot@lists.denx.de; Prabhanjan Sarnaik; Ashish Karkare; > Siddarth > > > Gore; bdale@gag.com; Jason Cooper > > > Subject: RFC [PATCH 1/5] drivers/rtc: add Marvell Integrated RTC. > > > > > > > > > Signed-off-by: Jason Cooper <u-boot@lakedaemon.net> > > > --- > > > drivers/rtc/Makefile | 1 + > > > drivers/rtc/mvinteg_rtc.c | 151 > > > > Filename mvrtc.c sounds more relevent > > Will do. > > ... > > > +#define INTERNAL_REG_BASE_ADDR 0xf1000000 > > > > This must go in kirkood.h > > Thanks. That didn't feel right to me, but I didn't know the proper > place to put it. > > ... > > > + > > > +/* register operations macros */ > > > +#define MV_REG_READ(offset) \ > > > + le32_to_cpu( \ > > > + *(volatile unsigned int *)(INTERNAL_REG_BASE_ADDR + offset)) > > > + > > > +#define MV_REG_WRITE(offset, data) \ > > > + do { \ > > > + *(volatile unsigned int *)(INTERNAL_REG_BASE_ADDR + offset) > = \ > > > + cpu_to_le32(data); \ > > > + } while (0); > > > + > > > +/* RTC registers */ > > > +#define MVINTEG_RTCTIME_REG 0x10300 > > > +#define MVINTEG_RTCDATE_REG 0x10304 > > > > NAK, please use c-strut for register definations > > So then, in kirkwood.h: > > #define KW_RTC_BASE (KW_REGISTER(0x10300)) > > and then use accordingly: > > struct mvrtc_registers { > u32 time; > u32 date; > }; > > struct mvrtc_registers *mvrtc_regs = (struct mvrtc_registers > *)KW_RTC_BASE; > > Right? I'm basing this on kirkwood/timer.c That's perfect :-) > > ... > > Regards.. > > Prafulla . . > > As always, thanks for the review and comments. That's my pleasure too. Regards.. Prafulla . .
diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile index e4be4a4..ed63e9c 100644 --- a/drivers/rtc/Makefile +++ b/drivers/rtc/Makefile @@ -55,6 +55,7 @@ COBJS-$(CONFIG_MCFRTC) += mcfrtc.o COBJS-$(CONFIG_RTC_MK48T59) += mk48t59.o COBJS-$(CONFIG_RTC_MPC5200) += mpc5xxx.o COBJS-$(CONFIG_RTC_MPC8xx) += mpc8xx.o +COBJS-$(CONFIG_RTC_MVINTEG) += mvinteg_rtc.o COBJS-$(CONFIG_RTC_PCF8563) += pcf8563.o COBJS-$(CONFIG_RTC_PL031) += pl031.o COBJS-$(CONFIG_RTC_PT7C4338) += pt7c4338.o diff --git a/drivers/rtc/mvinteg_rtc.c b/drivers/rtc/mvinteg_rtc.c new file mode 100644 index 0000000..295e4f7 --- /dev/null +++ b/drivers/rtc/mvinteg_rtc.c @@ -0,0 +1,151 @@ +/* + * Copyright (C) 2011 + * Jason Cooper <u-boot@lakedaemon.net> + * + * 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 as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * Date & Time support for Marvell Integrated RTC + */ + +#include <common.h> +#include <command.h> +#include <rtc.h> +#include "mvinteg_rtc.h" + +/* This RTC does not support century, so we assume 20 */ +#define CENTURY 20 + +int rtc_get(struct rtc_time *t) +{ + u32 time; + u32 date; + u8 tens; + u8 single; + + /* read the time register */ + time = MV_REG_READ(MVINTEG_RTCTIME_REG); + + /* read the date register */ + date = MV_REG_READ(MVINTEG_RTCDATE_REG); + + /* seconds */ + tens = ((time & MVINTEG_10SEC_MSK) >> MVINTEG_10SEC_SFT); + single = ((time & MVINTEG_SEC_MSK) >> MVINTEG_SEC_SFT); + t->tm_sec = 10 * tens + single; + + /* minutes */ + tens = ((time & MVINTEG_10MIN_MSK) >> MVINTEG_10MIN_SFT); + single = ((time & MVINTEG_MIN_MSK) >> MVINTEG_MIN_SFT); + t->tm_min = 10 * tens + single; + + /* hours */ + tens = ((time & MVINTEG_10HOUR_MSK) >> MVINTEG_10HOUR_SFT); + single = ((time & MVINTEG_HOUR_MSK) >> MVINTEG_HOUR_SFT); + t->tm_hour = 10 * tens + single; + + /* day */ + t->tm_wday = ((time & MVINTEG_DAY_MSK) >> MVINTEG_DAY_SFT); + t->tm_wday--; + + /* date */ + tens = ((date & MVINTEG_10DATE_MSK) >> MVINTEG_10DATE_SFT); + single = ((date & MVINTEG_DATE_MSK) >> MVINTEG_DATE_SFT); + t->tm_mday = 10 * tens + single; + + /* month */ + tens = ((date & MVINTEG_10MON_MSK) >> MVINTEG_10MON_SFT); + single = ((date & MVINTEG_MON_MSK) >> MVINTEG_MON_SFT); + t->tm_mon = 10 * tens + single; + + /* year */ + tens = ((date & MVINTEG_10YEAR_MSK) >> MVINTEG_10YEAR_SFT); + single = ((date & MVINTEG_YEAR_MSK) >> MVINTEG_YEAR_SFT); + t->tm_year = (CENTURY * 100) + (10 * tens) + single; + + /* not supported in this RTC */ + t->tm_yday = 0; + t->tm_isdst = 0; + + return 0; +} + +int rtc_set(struct rtc_time *t) +{ + u32 time = 0; + u32 date = 0; + u32 tens; + u32 single; + + /* seconds */ + tens = t->tm_sec / 10; + single = t->tm_sec % 10; + time |= ((tens << MVINTEG_10SEC_SFT) & MVINTEG_10SEC_MSK) | + ((single << MVINTEG_SEC_SFT) & MVINTEG_SEC_MSK); + + /* minutes */ + tens = t->tm_min / 10; + single = t->tm_min % 10; + time |= ((tens << MVINTEG_10MIN_SFT) & MVINTEG_10MIN_MSK) | + ((single << MVINTEG_MIN_SFT) & MVINTEG_MIN_MSK); + + /* hours (24) */ + tens = t->tm_hour / 10; + single = t->tm_hour % 10; + time |= ((tens << MVINTEG_10HOUR_SFT) & MVINTEG_10HOUR_MSK) | + ((single << MVINTEG_HOUR_SFT) & MVINTEG_HOUR_MSK); + + /* day */ + single = t->tm_wday + 1; + time |= ((single << MVINTEG_DAY_SFT) & MVINTEG_DAY_MSK); + + /* date */ + tens = t->tm_mday / 10; + single = t->tm_mday % 10; + date |= ((tens << MVINTEG_10DATE_SFT) & MVINTEG_10DATE_MSK) | + ((single << MVINTEG_DATE_SFT) & MVINTEG_DATE_MSK); + + /* month */ + tens = t->tm_mon / 10; + single = t->tm_mon % 10; + date |= ((tens << MVINTEG_10MON_SFT) & MVINTEG_10MON_MSK) | + ((single << MVINTEG_MON_SFT) & MVINTEG_MON_MSK); + + /* year */ + if ((t->tm_year / 100) != CENTURY) + printf("Warning: Only century %d supported.\n", CENTURY); + tens = (t->tm_year % 100) / 10; + single = (t->tm_year % 100) % 10; + date |= ((tens << MVINTEG_10YEAR_SFT) & MVINTEG_10YEAR_MSK) | + ((single << MVINTEG_YEAR_SFT) & MVINTEG_YEAR_MSK); + + /* write the time register */ + MV_REG_WRITE(MVINTEG_RTCTIME_REG, time); + + /* write the date register */ + MV_REG_WRITE(MVINTEG_RTCDATE_REG, date); + + return 0; +} + +void rtc_reset(void) +{ + /* no init routine for this RTC needed */ +} diff --git a/drivers/rtc/mvinteg_rtc.h b/drivers/rtc/mvinteg_rtc.h new file mode 100644 index 0000000..522c5d0 --- /dev/null +++ b/drivers/rtc/mvinteg_rtc.h @@ -0,0 +1,89 @@ +/* + * Copyright (C) 2011 + * Jason Cooper <u-boot@lakedaemon.net> + * + * 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 as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * Date & Time support for Marvell Integrated RTC + */ + +#ifndef _MVINTEG_RTC_H_ +#define _MVINTEG_RTC_H_ + +#include <compiler.h> + +#define INTERNAL_REG_BASE_ADDR 0xf1000000 + +/* register operations macros */ +#define MV_REG_READ(offset) \ + le32_to_cpu( \ + *(volatile unsigned int *)(INTERNAL_REG_BASE_ADDR + offset)) + +#define MV_REG_WRITE(offset, data) \ + do { \ + *(volatile unsigned int *)(INTERNAL_REG_BASE_ADDR + offset) = \ + cpu_to_le32(data); \ + } while (0); + +/* RTC registers */ +#define MVINTEG_RTCTIME_REG 0x10300 +#define MVINTEG_RTCDATE_REG 0x10304 + +/* time register */ +#define MVINTEG_SEC_SFT 0 +#define MVINTEG_SEC_MSK (0xf << MVINTEG_SEC_SFT) +#define MVINTEG_10SEC_SFT 4 +#define MVINTEG_10SEC_MSK (0x7 << MVINTEG_10SEC_SFT) + +#define MVINTEG_MIN_SFT 8 +#define MVINTEG_MIN_MSK (0xf << MVINTEG_MIN_SFT) +#define MVINTEG_10MIN_SFT 12 +#define MVINTEG_10MIN_MSK (0x7 << MVINTEG_10MIN_SFT) + +#define MVINTEG_HOUR_SFT 16 +#define MVINTEG_HOUR_MSK (0xf << MVINTEG_HOUR_SFT) +#define MVINTEG_10HOUR_SFT 20 +#define MVINTEG_10HOUR_MSK (0x3 << MVINTEG_10HOUR_SFT) + +#define MVINTEG_HRFMT_SFT 22 +#define MVINTEG_HRFMT12_MSK (0x1 << MVINTEG_HRFMT_SFT) +#define MVINTEG_HRFMT24_MSK (0x0 << MVINTEG_HRFMT_SFT) + +#define MVINTEG_DAY_SFT 24 +#define MVINTEG_DAY_MSK (0x7 << MVINTEG_DAY_SFT) + +/* date register */ +#define MVINTEG_DATE_SFT 0 +#define MVINTEG_DATE_MSK (0xf << MVINTEG_DATE_SFT) +#define MVINTEG_10DATE_SFT 4 +#define MVINTEG_10DATE_MSK (0x3 << MVINTEG_10DATE_SFT) + +#define MVINTEG_MON_SFT 8 +#define MVINTEG_MON_MSK (0xf << MVINTEG_MON_SFT) +#define MVINTEG_10MON_SFT 12 +#define MVINTEG_10MON_MSK (0x1 << MVINTEG_10MON_SFT) + +#define MVINTEG_YEAR_SFT 16 +#define MVINTEG_YEAR_MSK (0xf << MVINTEG_YEAR_SFT) +#define MVINTEG_10YEAR_SFT 20 +#define MVINTEG_10YEAR_MSK (0xf << MVINTEG_10YEAR_SFT) + +#endif
Signed-off-by: Jason Cooper <u-boot@lakedaemon.net> --- drivers/rtc/Makefile | 1 + drivers/rtc/mvinteg_rtc.c | 151 +++++++++++++++++++++++++++++++++++++++++++++ drivers/rtc/mvinteg_rtc.h | 89 ++++++++++++++++++++++++++ 3 files changed, 241 insertions(+), 0 deletions(-) create mode 100644 drivers/rtc/mvinteg_rtc.c create mode 100644 drivers/rtc/mvinteg_rtc.h