From b0cc114c04c114b933661eba329d9776c0eab74c Mon Sep 17 00:00:00 2001 From: Yoichi Yuasa Date: Fri, 11 May 2007 21:33:30 +0900 Subject: [PATCH] [MIPS] Use RTC_CMOS for Cobalt Signed-off-by: Yoichi Yuasa Signed-off-by: Ralf Baechle --- arch/mips/cobalt/Makefile | 2 +- arch/mips/cobalt/rtc.c | 63 ++++++++++++++++++++++++++++++ arch/mips/configs/cobalt_defconfig | 49 +++++++++++++++++------ drivers/rtc/Kconfig | 2 +- 4 files changed, 103 insertions(+), 13 deletions(-) create mode 100644 arch/mips/cobalt/rtc.c diff --git a/arch/mips/cobalt/Makefile b/arch/mips/cobalt/Makefile index 444166651872..c292f80a8c74 100644 --- a/arch/mips/cobalt/Makefile +++ b/arch/mips/cobalt/Makefile @@ -2,7 +2,7 @@ # Makefile for the Cobalt micro systems family specific parts of the kernel # -obj-y := buttons.o irq.o reset.o serial.o setup.o +obj-y := buttons.o irq.o reset.o rtc.o serial.o setup.o obj-$(CONFIG_PCI) += pci.o obj-$(CONFIG_EARLY_PRINTK) += console.o diff --git a/arch/mips/cobalt/rtc.c b/arch/mips/cobalt/rtc.c new file mode 100644 index 000000000000..284daefc5c55 --- /dev/null +++ b/arch/mips/cobalt/rtc.c @@ -0,0 +1,63 @@ +/* + * Registration of Cobalt RTC platform device. + * + * Copyright (C) 2007 Yoichi Yuasa + * + * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ +#include +#include +#include +#include + +static struct resource cobalt_rtc_resource[] __initdata = { + { + .start = 0x70, + .end = 0x77, + .flags = IORESOURCE_IO, + }, + { + .start = 8, + .end = 8, + .flags = IORESOURCE_IRQ, + }, +}; + +static __init int cobalt_rtc_add(void) +{ + struct platform_device *pdev; + int retval; + + pdev = platform_device_alloc("rtc_cmos", -1); + if (!pdev) + return -ENOMEM; + + retval = platform_device_add_resources(pdev, cobalt_rtc_resource, + ARRAY_SIZE(cobalt_rtc_resource)); + if (retval) + goto err_free_device; + + retval = platform_device_add(pdev); + if (retval) + goto err_free_device; + + return 0; + +err_free_device: + platform_device_put(pdev); + + return retval; +} +device_initcall(cobalt_rtc_add); diff --git a/arch/mips/configs/cobalt_defconfig b/arch/mips/configs/cobalt_defconfig index ba593b510b76..631b2138ad68 100644 --- a/arch/mips/configs/cobalt_defconfig +++ b/arch/mips/configs/cobalt_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.20 -# Tue Feb 20 21:47:24 2007 +# Linux kernel version: 2.6.21-rc7 +# Wed Apr 18 14:25:45 2007 # CONFIG_MIPS=y @@ -62,7 +62,6 @@ CONFIG_MIPS_COBALT=y # CONFIG_TOSHIBA_JMR3927 is not set # CONFIG_TOSHIBA_RBTX4927 is not set # CONFIG_TOSHIBA_RBTX4938 is not set -CONFIG_EARLY_PRINTK=y CONFIG_RWSEM_GENERIC_SPINLOCK=y # CONFIG_ARCH_HAS_ILOG2_U32 is not set # CONFIG_ARCH_HAS_ILOG2_U64 is not set @@ -74,12 +73,14 @@ CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y CONFIG_DMA_NONCOHERENT=y CONFIG_DMA_NEED_PCI_MAP_STATE=y +CONFIG_EARLY_PRINTK=y +CONFIG_SYS_HAS_EARLY_PRINTK=y CONFIG_I8259=y # CONFIG_CPU_BIG_ENDIAN is not set CONFIG_CPU_LITTLE_ENDIAN=y CONFIG_SYS_SUPPORTS_LITTLE_ENDIAN=y CONFIG_IRQ_CPU=y -CONFIG_MIPS_GT64111=y +CONFIG_PCI_GT64XXX_PCI0=y CONFIG_MIPS_L1_CACHE_SHIFT=5 # @@ -179,6 +180,7 @@ CONFIG_SYSVIPC_SYSCTL=y # CONFIG_IKCONFIG is not set CONFIG_SYSFS_DEPRECATED=y CONFIG_RELAY=y +# CONFIG_BLK_DEV_INITRD is not set # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_SYSCTL=y CONFIG_EMBEDDED=y @@ -477,7 +479,6 @@ CONFIG_BLK_DEV_LOOP=y # CONFIG_BLK_DEV_NBD is not set # CONFIG_BLK_DEV_SX8 is not set # CONFIG_BLK_DEV_RAM is not set -# CONFIG_BLK_DEV_INITRD is not set CONFIG_CDROM_PKTCDVD=y CONFIG_CDROM_PKTCDVD_BUFFERS=8 # CONFIG_CDROM_PKTCDVD_WCACHE is not set @@ -518,7 +519,7 @@ CONFIG_BLK_DEV_IDEPCI=y # CONFIG_BLK_DEV_OPTI621 is not set CONFIG_BLK_DEV_IDEDMA_PCI=y # CONFIG_BLK_DEV_IDEDMA_FORCED is not set -# CONFIG_IDEDMA_PCI_AUTO is not set +# CONFIG_IDEDMA_ONLYDISK is not set # CONFIG_BLK_DEV_AEC62XX is not set # CONFIG_BLK_DEV_ALI15X3 is not set # CONFIG_BLK_DEV_AMD74XX is not set @@ -546,7 +547,6 @@ CONFIG_BLK_DEV_TC86C001=y # CONFIG_IDE_ARM is not set CONFIG_BLK_DEV_IDEDMA=y # CONFIG_IDEDMA_IVB is not set -# CONFIG_IDEDMA_AUTO is not set # CONFIG_BLK_DEV_HD is not set # @@ -779,7 +779,8 @@ CONFIG_LEGACY_PTY_COUNT=256 # # CONFIG_WATCHDOG is not set # CONFIG_HW_RANDOM is not set -CONFIG_RTC=y +# CONFIG_RTC is not set +# CONFIG_GEN_RTC is not set CONFIG_COBALT_LCD=y # CONFIG_DTLK is not set # CONFIG_R3964 is not set @@ -814,6 +815,11 @@ CONFIG_COBALT_LCD=y # CONFIG_HWMON is not set # CONFIG_HWMON_VID is not set +# +# Multifunction device drivers +# +# CONFIG_MFD_SM501 is not set + # # Multimedia devices # @@ -827,7 +833,7 @@ CONFIG_COBALT_LCD=y # # Graphics support # -# CONFIG_FIRMWARE_EDID is not set +# CONFIG_BACKLIGHT_LCD_SUPPORT is not set # CONFIG_FB is not set # @@ -835,7 +841,6 @@ CONFIG_COBALT_LCD=y # # CONFIG_VGA_CONSOLE is not set CONFIG_DUMMY_CONSOLE=y -# CONFIG_BACKLIGHT_LCD_SUPPORT is not set # # Sound @@ -894,7 +899,29 @@ CONFIG_USB_ARCH_HAS_EHCI=y # # Real Time Clock # -# CONFIG_RTC_CLASS is not set +CONFIG_RTC_LIB=y +CONFIG_RTC_CLASS=y +CONFIG_RTC_HCTOSYS=y +CONFIG_RTC_HCTOSYS_DEVICE="rtc0" +# CONFIG_RTC_DEBUG is not set + +# +# RTC interfaces +# +CONFIG_RTC_INTF_SYSFS=y +CONFIG_RTC_INTF_PROC=y +CONFIG_RTC_INTF_DEV=y +# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set + +# +# RTC drivers +# +CONFIG_RTC_DRV_CMOS=y +# CONFIG_RTC_DRV_DS1553 is not set +# CONFIG_RTC_DRV_DS1742 is not set +# CONFIG_RTC_DRV_M48T86 is not set +# CONFIG_RTC_DRV_TEST is not set +# CONFIG_RTC_DRV_V3020 is not set # # DMA Engine support diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 1759baad439c..bfcfd10c72f6 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -246,7 +246,7 @@ comment "Platform RTC drivers" config RTC_DRV_CMOS tristate "PC-style 'CMOS'" depends on RTC_CLASS && (X86 || ALPHA || ARM26 || ARM \ - || M32R || ATARI || POWERPC) + || M32R || ATARI || POWERPC || MIPS) help Say "yes" here to get direct support for the real time clock found in every PC or ACPI-based system, and some other boards.