diff options
Diffstat (limited to 'target/linux/goldfish/patches-2.6.30/0127--ARM-goldfish-RTC-Add-RTC-driver-for-goldfish.patch')
| -rw-r--r-- | target/linux/goldfish/patches-2.6.30/0127--ARM-goldfish-RTC-Add-RTC-driver-for-goldfish.patch | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/target/linux/goldfish/patches-2.6.30/0127--ARM-goldfish-RTC-Add-RTC-driver-for-goldfish.patch b/target/linux/goldfish/patches-2.6.30/0127--ARM-goldfish-RTC-Add-RTC-driver-for-goldfish.patch deleted file mode 100644 index bb0c29da27..0000000000 --- a/target/linux/goldfish/patches-2.6.30/0127--ARM-goldfish-RTC-Add-RTC-driver-for-goldfish.patch +++ /dev/null @@ -1,186 +0,0 @@ -From fce981438497199217ed19f14c4d0f1a1aa309f3 Mon Sep 17 00:00:00 2001 -From: =?utf-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= <arve@google.com> -Date: Fri, 29 Jun 2007 21:46:31 -0700 -Subject: [PATCH 127/134] [ARM] goldfish: RTC: Add RTC driver for goldfish. -MIME-Version: 1.0 -Content-Type: text/plain; charset=utf-8 -Content-Transfer-Encoding: 8bit - -Gets the current time from the host. -Alarms are not supported yet. - -Signed-off-by: Mike A. Chan <mikechan@google.com> -Signed-off-by: Arve Hjønnevåg <arve@android.com> ---- - drivers/rtc/Kconfig | 6 ++ - drivers/rtc/Makefile | 1 + - drivers/rtc/rtc-goldfish.c | 138 ++++++++++++++++++++++++++++++++++++++++++++ - 3 files changed, 145 insertions(+), 0 deletions(-) - create mode 100644 drivers/rtc/rtc-goldfish.c - ---- a/drivers/rtc/Kconfig -+++ b/drivers/rtc/Kconfig -@@ -691,6 +691,12 @@ config RTC_DRV_BFIN - This driver can also be built as a module. If so, the module - will be called rtc-bfin. - -+config RTC_DRV_GOLDFISH -+ tristate "GOLDFISH" -+ depends on ARCH_GOLDFISH -+ help -+ RTC driver for Goldfish Virtual Platform -+ - config RTC_DRV_RS5C313 - tristate "Ricoh RS5C313" - depends on SH_LANDISK ---- a/drivers/rtc/Makefile -+++ b/drivers/rtc/Makefile -@@ -39,6 +39,7 @@ obj-$(CONFIG_RTC_DRV_DS3234) += rtc-ds32 - obj-$(CONFIG_RTC_DRV_EFI) += rtc-efi.o - obj-$(CONFIG_RTC_DRV_EP93XX) += rtc-ep93xx.o - obj-$(CONFIG_RTC_DRV_FM3130) += rtc-fm3130.o -+obj-$(CONFIG_RTC_DRV_GOLDFISH) += rtc-goldfish.o - obj-$(CONFIG_RTC_DRV_ISL1208) += rtc-isl1208.o - obj-$(CONFIG_RTC_DRV_M41T80) += rtc-m41t80.o - obj-$(CONFIG_RTC_DRV_M41T94) += rtc-m41t94.o ---- /dev/null -+++ b/drivers/rtc/rtc-goldfish.c -@@ -0,0 +1,138 @@ -+/* drivers/rtc/rtc-goldfish.c -+** -+** Copyright (C) 2007 Google, Inc. -+** -+** This software is licensed under the terms of the GNU General Public -+** License version 2, as published by the Free Software Foundation, and -+** may be copied, distributed, and modified under those terms. -+** -+** 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. -+** -+*/ -+ -+#include <linux/interrupt.h> -+#include <linux/irq.h> -+#include <linux/platform_device.h> -+#include <linux/rtc.h> -+ -+#include <mach/timer.h> -+#include <mach/hardware.h> -+#include <asm/io.h> -+ -+struct goldfish_rtc { -+ uint32_t base; -+ uint32_t irq; -+ struct rtc_device *rtc; -+}; -+ -+static irqreturn_t -+goldfish_rtc_interrupt(int irq, void *dev_id) -+{ -+ struct goldfish_rtc *qrtc = dev_id; -+ unsigned long events = 0; -+ -+ writel(1, qrtc->base + TIMER_CLEAR_INTERRUPT); -+ events = RTC_IRQF | RTC_AF; -+ -+ rtc_update_irq(qrtc->rtc, 1, events); -+ -+ return IRQ_HANDLED; -+} -+ -+static int goldfish_rtc_read_time(struct device *dev, struct rtc_time *tm) -+{ -+ int64_t time; -+ struct goldfish_rtc *qrtc = platform_get_drvdata(to_platform_device(dev)); -+ -+ time = readl(qrtc->base + TIMER_TIME_LOW); -+ time |= (int64_t)readl(qrtc->base + TIMER_TIME_HIGH) << 32; -+ do_div(time, NSEC_PER_SEC); -+ -+ rtc_time_to_tm(time, tm); -+ return 0; -+} -+ -+static struct rtc_class_ops goldfish_rtc_ops = { -+// .ioctl = goldfish_rtc_ioctl, -+ .read_time = goldfish_rtc_read_time, -+// .set_time = goldfish_rtc_set_time, -+// .read_alarm = goldfish_rtc_read_alarm, -+// .set_alarm = goldfish_rtc_set_alarm, -+}; -+ -+ -+static int goldfish_rtc_probe(struct platform_device *pdev) -+{ -+ int ret; -+ struct resource *r; -+ struct goldfish_rtc *qrtc; -+ -+ qrtc = kzalloc(sizeof(*qrtc), GFP_KERNEL); -+ if(qrtc == NULL) { -+ ret = -ENOMEM; -+ goto err_qrtc_alloc_failed; -+ } -+ platform_set_drvdata(pdev, qrtc); -+ -+ r = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if(r == NULL) { -+ ret = -ENODEV; -+ goto err_no_io_base; -+ } -+ qrtc->base = IO_ADDRESS(r->start - IO_START); -+ qrtc->irq = platform_get_irq(pdev, 0); -+ if(qrtc->irq < 0) { -+ ret = -ENODEV; -+ goto err_no_irq; -+ } -+ qrtc->rtc = rtc_device_register(pdev->name, &pdev->dev, -+ &goldfish_rtc_ops, THIS_MODULE); -+ if (IS_ERR(qrtc->rtc)) { -+ ret = PTR_ERR(qrtc->rtc); -+ goto err_rtc_device_register_failed; -+ } -+ -+ ret = request_irq(qrtc->irq, goldfish_rtc_interrupt, 0, pdev->name, qrtc); -+ if(ret) -+ goto request_irq; -+ -+ return 0; -+ -+ free_irq(qrtc->irq, qrtc); -+request_irq: -+ rtc_device_unregister(qrtc->rtc); -+err_rtc_device_register_failed: -+err_no_irq: -+err_no_io_base: -+ kfree(qrtc); -+err_qrtc_alloc_failed: -+ return ret; -+} -+ -+static int goldfish_rtc_remove(struct platform_device *pdev) -+{ -+ struct goldfish_rtc *qrtc = platform_get_drvdata(pdev); -+ free_irq(qrtc->irq, qrtc); -+ rtc_device_unregister(qrtc->rtc); -+ kfree(qrtc); -+ return 0; -+} -+ -+static struct platform_driver goldfish_timer = { -+ .probe = goldfish_rtc_probe, -+ .remove = goldfish_rtc_remove, -+ .driver = { -+ .name = "goldfish_rtc" -+ } -+}; -+ -+static int __init goldfish_rtc_init(void) -+{ -+ return platform_driver_register(&goldfish_timer); -+} -+ -+module_init(goldfish_rtc_init); -+ |