diff options
Diffstat (limited to 'packages/linux')
15 files changed, 3915 insertions, 969 deletions
diff --git a/packages/linux/nas100d-kernel/2.6.15/00-memory-h-page-shift.patch b/packages/linux/nas100d-kernel/2.6.15/00-memory-h-page-shift.patch index 29b048e27a..4ec8f0475f 100644 --- a/packages/linux/nas100d-kernel/2.6.15/00-memory-h-page-shift.patch +++ b/packages/linux/nas100d-kernel/2.6.15/00-memory-h-page-shift.patch @@ -1,10 +1,68 @@ ---- linux-2.6.15/include/asm-arm/arch-ixp4xx/memory.h 1970-01-01 00:00:00.000000000 +0000 -+++ linux-2.6.15/include/asm-arm/arch-ixp4xx/memory.h 1970-01-01 00:00:00.000000000 +0000 -@@ -8,6 +8,7 @@ - #define __ASM_ARCH_MEMORY_H +--- linux-2.6.15-rc7/include/asm-arm/arch-ixp4xx/memory.h~ 2005-12-30 05:18:27.000000000 +1030 ++++ linux-2.6.15-rc7/include/asm-arm/arch-ixp4xx/memory.h 2005-12-30 05:36:04.000000000 +1030 +@@ -16,31 +16,10 @@ - #include <asm/sizes.h> -+#include <asm/page.h> + #ifndef __ASSEMBLY__ - /* - * Physical DRAM offset. +-/* +- * Only first 64MB of memory can be accessed via PCI. +- * We use GFP_DMA to allocate safe buffers to do map/unmap. +- * This is really ugly and we need a better way of specifying +- * DMA-capable regions of memory. +- */ +-static inline void __arch_adjust_zones(int node, unsigned long *zone_size, +- unsigned long *zhole_size) +-{ +- unsigned int sz = SZ_64M >> PAGE_SHIFT; +- +- /* +- * Only adjust if > 64M on current system +- */ +- if (node || (zone_size[0] <= sz)) +- return; +- +- zone_size[1] = zone_size[0] - sz; +- zone_size[0] = sz; +- zhole_size[1] = zhole_size[0]; +- zhole_size[0] = 0; +-} ++void ixp4xx_adjust_zones(int node, unsigned long *size, unsigned long *holes); + + #define arch_adjust_zones(node, size, holes) \ +- __arch_adjust_zones(node, size, holes) ++ ixp4xx_adjust_zones(node, size, holes) + + #define ISA_DMA_THRESHOLD (SZ_64M - 1) + +--- linux-2.6.15-rc7/arch/arm/mach-ixp4xx/common-pci.c~ 2005-12-30 05:16:03.000000000 +1030 ++++ linux-2.6.15-rc7/arch/arm/mach-ixp4xx/common-pci.c 2005-12-30 05:43:55.000000000 +1030 +@@ -341,6 +341,29 @@ int dma_needs_bounce(struct device *dev, + return (dev->bus == &pci_bus_type ) && ((dma_addr + size) >= SZ_64M); + } + ++/* ++ * Only first 64MB of memory can be accessed via PCI. ++ * We use GFP_DMA to allocate safe buffers to do map/unmap. ++ * This is really ugly and we need a better way of specifying ++ * DMA-capable regions of memory. ++ */ ++void __init ixp4xx_adjust_zones(int node, unsigned long *zone_size, ++ unsigned long *zhole_size) ++{ ++ unsigned int sz = SZ_64M >> PAGE_SHIFT; ++ ++ /* ++ * Only adjust if > 64M on current system ++ */ ++ if (node || (zone_size[0] <= sz)) ++ return; ++ ++ zone_size[1] = zone_size[0] - sz; ++ zone_size[0] = sz; ++ zhole_size[1] = zhole_size[0]; ++ zhole_size[0] = 0; ++} ++ + void __init ixp4xx_pci_preinit(void) + { + unsigned long processor_id; diff --git a/packages/linux/nas100d-kernel/2.6.15/01-i2c-ixp4xx.patch b/packages/linux/nas100d-kernel/2.6.15/01-i2c-ixp4xx.patch deleted file mode 100644 index 16426bdee6..0000000000 --- a/packages/linux/nas100d-kernel/2.6.15/01-i2c-ixp4xx.patch +++ /dev/null @@ -1,29 +0,0 @@ ---- linux-2.6.15/drivers/i2c/busses/i2c-ixp4xx.c 1970-01-01 00:00:00.000000000 +0000 -+++ linux-2.6.15/drivers/i2c/busses/i2c-ixp4xx.c 1970-01-01 00:00:00.000000000 +0000 -@@ -35,7 +35,7 @@ - - #include <asm/hardware.h> /* Pick up IXP4xx-specific bits */ - --static struct device_driver ixp4xx_i2c_driver; -+static struct platform_driver ixp4xx_i2c_driver; - - static inline int ixp4xx_scl_pin(void *data) - { -@@ -128,7 +128,7 @@ static int ixp4xx_i2c_probe(struct platf - drv_data->algo_data.timeout = 100; - - drv_data->adapter.id = I2C_HW_B_IXP4XX; -- strlcpy(drv_data->adapter.name, ixp4xx_i2c_driver.name, -+ strlcpy(drv_data->adapter.name, ixp4xx_i2c_driver.driver.name, - I2C_NAME_SIZE); - drv_data->adapter.algo_data = &drv_data->algo_data; - -@@ -140,7 +140,7 @@ static int ixp4xx_i2c_probe(struct platf - gpio_line_set(gpio->sda_pin, 0); - - if ((err = i2c_bit_add_bus(&drv_data->adapter) != 0)) { -- printk(KERN_ERR "ERROR: Could not install %s\n", dev->bus_id); -+ printk(KERN_ERR "ERROR: Could not install %s\n", ixp4xx_i2c_driver.driver.name); - - kfree(drv_data); - return err; diff --git a/packages/linux/nas100d-kernel/2.6.15/40-rtc-class.patch b/packages/linux/nas100d-kernel/2.6.15/40-rtc-class.patch new file mode 100644 index 0000000000..feea3f2f8b --- /dev/null +++ b/packages/linux/nas100d-kernel/2.6.15/40-rtc-class.patch @@ -0,0 +1,2719 @@ +--- linux-nslu2.orig/include/linux/rtc.h 2006-01-03 15:31:18.000000000 +0100 ++++ linux-nslu2/include/linux/rtc.h 2006-01-03 15:34:24.000000000 +0100 +@@ -91,8 +91,81 @@ struct rtc_pll_info { + #define RTC_PLL_GET _IOR('p', 0x11, struct rtc_pll_info) /* Get PLL correction */ + #define RTC_PLL_SET _IOW('p', 0x12, struct rtc_pll_info) /* Set PLL correction */ + ++/* interrupt flags */ ++#define RTC_IRQF 0x80 /* any of the following is active */ ++#define RTC_PF 0x40 ++#define RTC_AF 0x20 ++#define RTC_UF 0x10 ++ + #ifdef __KERNEL__ + ++#include <linux/device.h> ++#include <linux/seq_file.h> ++#include <linux/cdev.h> ++#include <linux/poll.h> ++ ++struct rtc_class_ops { ++ int (*open)(struct device *); ++ void (*release)(struct device *); ++ int (*ioctl)(struct device *, unsigned int, unsigned long); ++ int (*read_time)(struct device *, struct rtc_time *); ++ int (*set_time)(struct device *, struct rtc_time *); ++ int (*read_alarm)(struct device *, struct rtc_wkalrm *); ++ int (*set_alarm)(struct device *, struct rtc_wkalrm *); ++ int (*proc)(struct device *, struct seq_file *); ++ int (*set_mmss)(struct device *, unsigned long secs); ++ int (*irq_set_state)(struct device *, int enabled); ++ int (*irq_set_freq)(struct device *, int freq); ++}; ++ ++#define RTC_DEVICE_NAME_SIZE 20 ++struct rtc_task; ++ ++struct rtc_device ++{ ++ int id; ++ struct module *owner; ++ struct rw_semaphore lock; ++ struct class_device class_dev; ++ struct rtc_class_ops *ops; ++ char name[RTC_DEVICE_NAME_SIZE]; ++ ++ struct cdev char_dev; ++ struct semaphore char_sem; ++ ++ unsigned long irq_data; ++ spinlock_t irq_lock; ++ wait_queue_head_t irq_queue; ++ struct fasync_struct *async_queue; ++ ++ spinlock_t irq_task_lock; ++ struct rtc_task *irq_task; ++ int irq_freq; ++}; ++#define to_rtc_device(d) container_of(d, struct rtc_device, class_dev) ++ ++extern struct rtc_device *rtc_device_register(char *name, ++ struct device *dev, ++ struct rtc_class_ops *ops, ++ struct module *owner); ++extern void rtc_device_unregister(struct rtc_device *rdev); ++extern int rtc_interface_register(struct class_interface *intf); ++ ++ ++extern int rtc_month_days(unsigned int month, unsigned int year); ++extern int rtc_valid_tm(struct rtc_time *tm); ++extern int rtc_tm_to_time(struct rtc_time *tm, unsigned long *time); ++extern void rtc_time_to_tm(unsigned long time, struct rtc_time *tm); ++ ++extern int rtc_read_time(struct class_device *class_dev, struct rtc_time *tm); ++extern int rtc_set_time(struct class_device *class_dev, struct rtc_time *tm); ++extern int rtc_read_alarm(struct class_device *class_dev, ++ struct rtc_wkalrm *alrm); ++extern int rtc_set_alarm(struct class_device *class_dev, ++ struct rtc_wkalrm *alrm); ++extern void rtc_update_irq(struct class_device *class_dev, ++ unsigned long num, unsigned long events); ++ + typedef struct rtc_task { + void (*func)(void *private_data); + void *private_data; +--- linux-nslu2.orig/drivers/Kconfig 2006-01-03 15:31:19.000000000 +0100 ++++ linux-nslu2/drivers/Kconfig 2006-01-04 01:27:31.000000000 +0100 +@@ -66,4 +66,6 @@ source "drivers/infiniband/Kconfig" + + source "drivers/sn/Kconfig" + ++source "drivers/rtc/Kconfig" ++ + endmenu +--- linux-nslu2.orig/drivers/Makefile 2006-01-03 15:33:32.000000000 +0100 ++++ linux-nslu2/drivers/Makefile 2006-01-04 01:27:31.000000000 +0100 +@@ -54,6 +54,7 @@ obj-$(CONFIG_USB_GADGET) += usb/gadget/ + obj-$(CONFIG_GAMEPORT) += input/gameport/ + obj-$(CONFIG_INPUT) += input/ + obj-$(CONFIG_I2O) += message/ ++obj-y += rtc/ + obj-$(CONFIG_I2C) += i2c/ + obj-$(CONFIG_W1) += w1/ + obj-$(CONFIG_HWMON) += hwmon/ +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-nslu2/drivers/rtc/class.c 2006-01-03 15:45:19.000000000 +0100 +@@ -0,0 +1,141 @@ ++/* ++ * RTC subsystem, base class ++ * ++ * Copyright (C) 2005 Tower Technologies ++ * Author: Alessandro Zummo <a.zummo@towertech.it> ++ * ++ * class skeleton from drivers/hwmon/hwmon.c ++ * ++ * 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; version 2 of the License. ++*/ ++ ++#include <linux/module.h> ++#include <linux/rtc.h> ++#include <linux/kdev_t.h> ++#include <linux/idr.h> ++ ++static DEFINE_IDR(rtc_idr); ++static DECLARE_MUTEX(idr_lock); ++struct class *rtc_class; ++ ++static void rtc_device_release(struct class_device *class_dev) ++{ ++ struct rtc_device *rtc = to_rtc_device(class_dev); ++ down(&idr_lock); ++ idr_remove(&rtc_idr, rtc->id); ++ up(&idr_lock); ++ kfree(rtc); ++} ++ ++/** ++ * rtc_device_register - register w/ RTC class ++ * @dev: the device to register ++ * ++ * rtc_device_unregister() must be called when the class device is no ++ * longer needed. ++ * ++ * Returns the pointer to the new struct class device. ++ */ ++struct rtc_device *rtc_device_register(char *name, struct device *dev, ++ struct rtc_class_ops *ops, ++ struct module *owner) ++{ ++ struct rtc_device *rtc; ++ int id, err; ++ ++ if (idr_pre_get(&rtc_idr, GFP_KERNEL) == 0) { ++ err = -ENOMEM; ++ goto exit; ++ } ++ ++ ++ down(&idr_lock); ++ err = idr_get_new(&rtc_idr, NULL, &id); ++ up(&idr_lock); ++ ++ if (err < 0) ++ goto exit; ++ ++ id = id & MAX_ID_MASK; ++ ++ if ((rtc = kzalloc(sizeof(struct rtc_device), GFP_KERNEL)) == NULL) { ++ err = -ENOMEM; ++ goto exit_idr; ++ } ++ ++ rtc->id = id; ++ rtc->ops = ops; ++ rtc->owner = owner; ++ rtc->class_dev.dev = dev; ++ rtc->class_dev.class = rtc_class; ++ rtc->class_dev.release = rtc_device_release; ++ ++ init_rwsem(&rtc->lock); ++ spin_lock_init(&rtc->irq_lock); ++ spin_lock_init(&rtc->irq_task_lock); ++ ++ strlcpy(rtc->name, name, RTC_DEVICE_NAME_SIZE); ++ snprintf(rtc->class_dev.class_id, BUS_ID_SIZE, "rtc%d", id); ++ ++ if ((err = class_device_register(&rtc->class_dev))) ++ goto exit_kfree; ++ ++ dev_info(dev, "rtc core: registered %s as %s\n", ++ rtc->name, rtc->class_dev.class_id); ++ ++ return rtc; ++ ++exit_kfree: ++ kfree(rtc); ++ ++exit_idr: ++ idr_remove(&rtc_idr, id); ++ ++exit: ++ return ERR_PTR(err); ++} ++EXPORT_SYMBOL_GPL(rtc_device_register); ++ ++ ++/** ++ * rtc_device_unregister - removes the previously registered RTC class device ++ * ++ * @rtc: the RTC class device to destroy ++ */ ++void rtc_device_unregister(struct rtc_device *rtc) ++{ ++ down_write(&rtc->lock); ++ class_device_unregister(&rtc->class_dev); ++} ++EXPORT_SYMBOL_GPL(rtc_device_unregister); ++ ++int rtc_interface_register(struct class_interface *intf) ++{ ++ intf->class = rtc_class; ++ return class_interface_register(intf); ++} ++EXPORT_SYMBOL_GPL(rtc_interface_register); ++ ++static int __init rtc_init(void) ++{ ++ rtc_class = class_create(THIS_MODULE, "rtc"); ++ if (IS_ERR(rtc_class)) { ++ printk(KERN_ERR "%s: couldn't create class\n", __FILE__); ++ return PTR_ERR(rtc_class); ++ } ++ return 0; ++} ++ ++static void __exit rtc_exit(void) ++{ ++ class_destroy(rtc_class); ++} ++ ++module_init(rtc_init); ++module_exit(rtc_exit); ++ ++MODULE_AUTHOR("Alessandro Zummo <a.zummo@towerteh.it>"); ++MODULE_DESCRIPTION("RTC class support"); ++MODULE_LICENSE("GPL"); +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-nslu2/drivers/rtc/Kconfig 2006-01-04 01:27:21.000000000 +0100 +@@ -0,0 +1,93 @@ ++# ++# RTC class/drivers configuration ++# ++ ++menu "Real Time Clock" ++ ++config RTC_CLASS ++ tristate "RTC class" ++ depends on EXPERIMENTAL ++ default y ++ help ++ Generic RTC class support. If you say yes here, you will ++ be allowed to plug one or more RTCs to your system. You will ++ probably want to enable one of more of the interfaces below. ++ ++ This driver can also be built as a module. If so, the module ++ will be called rtc-class. ++ ++comment "RTC interfaces" ++ depends on RTC_CLASS ++ ++config RTC_INTF_SYSFS ++ tristate "sysfs" ++ depends on RTC_CLASS && SYSFS ++ default RTC_CLASS ++ help ++ Say yes here if you want to use your RTC using the sysfs ++ interface, /sys/class/rtc/rtcX . ++ ++ This driver can also be built as a module. If so, the module ++ will be called rtc-sysfs. ++ ++config RTC_INTF_PROC ++ tristate "proc" ++ depends on RTC_CLASS && PROC_FS ++ default RTC_CLASS ++ help ++ Say yes here if you want to use your RTC using the proc ++ interface, /proc/driver/rtc . ++ ++ This driver can also be built as a module. If so, the module ++ will be called rtc-proc. ++ ++config RTC_INTF_DEV ++ tristate "dev" ++ depends on RTC_CLASS ++ default RTC_CLASS ++ help ++ Say yes here if you want to use your RTC using the dev ++ interface, /dev/rtc . ++ ++ This driver can also be built as a module. If so, the module ++ will be called rtc-dev. ++ ++comment "RTC drivers" ++ depends on RTC_CLASS ++ ++config RTC_DRV_X1205 ++ tristate "Xicor/Intersil X1205 RTC chip" ++ depends on RTC_CLASS && I2C ++ help ++ If you say yes here you get support for the ++ Xicor/Intersil X1205 RTC chip. ++ ++ This driver can also be built as a module. If so, the module ++ will be called rtc-x1205. ++ ++config RTC_DRV_DS1672 ++ tristate "Dallas/Maxim DS1672" ++ depends on RTC_CLASS && I2C ++ help ++ If you say yes here you get support for the ++ Dallas/Maxim DS1672 timekeeping chip. ++ ++ This driver can also be built as a module. If so, the module ++ will be called rtc-ds1672. ++ ++config RTC_DRV_TEST ++ tristate "Test driver/device" ++ depends on RTC_CLASS ++ help ++ If you say yes here you get support for the ++ RTC test driver. It's a software RTC which can be ++ used to test the RTC subsystem APIs. It gets ++ the time from the system clock. ++ You want this driver only if you are doing development ++ on the RTC subsystem. Please read the source code ++ for further details. ++ ++ This driver can also be built as a module. If so, the module ++ will be called rtc-test. ++ ++endmenu +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-nslu2/drivers/rtc/Makefile 2006-01-04 01:27:21.000000000 +0100 +@@ -0,0 +1,15 @@ ++# ++# Makefile for RTC class/drivers. ++# ++ ++obj-y += utils.o ++obj-$(CONFIG_RTC_CLASS) += rtc-core.o ++rtc-core-y := class.o interface.o ++obj-$(CONFIG_RTC_INTF_SYSFS) += rtc-sysfs.o ++obj-$(CONFIG_RTC_INTF_PROC) += rtc-proc.o ++obj-$(CONFIG_RTC_INTF_DEV) += rtc-dev.o ++ ++obj-$(CONFIG_RTC_DRV_X1205) += rtc-x1205.o ++obj-$(CONFIG_RTC_DRV_TEST) += rtc-test.o ++obj-$(CONFIG_RTC_DRV_DS1672) += rtc-ds1672.o ++ +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-nslu2/drivers/rtc/interface.c 2006-01-03 15:34:24.000000000 +0100 +@@ -0,0 +1,189 @@ ++/* ++ * RTC subsystem, interface functions ++ * ++ * Copyright (C) 2005 Tower Technologies ++ * Author: Alessandro Zummo <a.zummo@towertech.it> ++ * ++ * based on arch/arm/common/rtctime.c ++ * ++ * 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; version 2 of the License. ++*/ ++ ++#include <linux/rtc.h> ++ ++extern struct class *rtc_class; ++ ++int rtc_read_time(struct class_device *class_dev, struct rtc_time *tm) ++{ ++ int err = -EINVAL; ++ struct rtc_class_ops *ops = to_rtc_device(class_dev)->ops; ++ ++ if (ops->read_time) { ++ memset(tm, 0, sizeof(struct rtc_time)); ++ err = ops->read_time(class_dev->dev, tm); ++ } ++ return err; ++} ++EXPORT_SYMBOL(rtc_read_time); ++ ++int rtc_set_time(struct class_device *class_dev, struct rtc_time *tm) ++{ ++ int err; ++ struct rtc_class_ops *ops = to_rtc_device(class_dev)->ops; ++ ++ err = rtc_valid_tm(tm); ++ if (err == 0 && ops->set_time) ++ err = ops->set_time(class_dev->dev, tm); ++ ++ return err; ++} ++EXPORT_SYMBOL(rtc_set_time); ++ ++int rtc_read_alarm(struct class_device *class_dev, struct rtc_wkalrm *alarm) ++{ ++ struct rtc_class_ops *ops = to_rtc_device(class_dev)->ops; ++ int err = -EINVAL; ++ ++ if (ops->read_alarm) { ++ memset(alarm, 0, sizeof(struct rtc_wkalrm)); ++ err = ops->read_alarm(class_dev->dev, alarm); ++ } ++ return err; ++} ++EXPORT_SYMBOL(rtc_read_alarm); ++ ++int rtc_set_alarm(struct class_device *class_dev, struct rtc_wkalrm *alarm) ++{ ++ int err = -EINVAL; ++ struct rtc_class_ops *ops = to_rtc_device(class_dev)->ops; ++ ++ if (ops->set_alarm) ++ err = ops->set_alarm(class_dev->dev, alarm); ++ return err; ++} ++EXPORT_SYMBOL(rtc_set_alarm); ++ ++void rtc_update_irq(struct class_device *class_dev, ++ unsigned long num, unsigned long events) ++{ ++ struct rtc_device *rtc = to_rtc_device(class_dev); ++ ++ spin_lock(&rtc->irq_lock); ++ rtc->irq_data = (rtc->irq_data + (num << 8)) | events; ++ spin_unlock(&rtc->irq_lock); ++ ++ spin_lock(&rtc->irq_task_lock); ++ if (rtc->irq_task) ++ rtc->irq_task->func(rtc->irq_task->private_data); ++ spin_unlock(&rtc->irq_task_lock); ++ ++ wake_up_interruptible(&rtc->irq_queue); ++ kill_fasync(&rtc->async_queue, SIGIO, POLL_IN); ++} ++EXPORT_SYMBOL(rtc_update_irq); ++ ++struct class_device *rtc_open(char *name) ++{ ++ struct class_device *class_dev = NULL, ++ *class_dev_tmp; ++ ++ down(&rtc_class->sem); ++ list_for_each_entry(class_dev_tmp, &rtc_class->children, node) { ++ if (strncmp(class_dev_tmp->class_id, name, BUS_ID_SIZE) == 0) { ++ class_dev = class_dev_tmp; ++ break; ++ } ++ } ++ up(&rtc_class->sem); ++ ++ return class_dev; ++} ++EXPORT_SYMBOL(rtc_open); ++ ++void rtc_close(struct class_device *class_dev) ++{ ++} ++EXPORT_SYMBOL(rtc_close); ++ ++int rtc_irq_register(struct class_device *class_dev, struct rtc_task *task) ++{ ++ int retval = -EBUSY; ++ struct rtc_device *rtc = to_rtc_device(class_dev); ++ ++ if (task == NULL || task->func == NULL) ++ return -EINVAL; ++ ++ spin_lock(&rtc->irq_task_lock); ++ if (rtc->irq_task == NULL) { ++ rtc->irq_task = task; ++ retval = 0; ++ } ++ spin_unlock(&rtc->irq_task_lock); ++ ++ return retval; ++} ++EXPORT_SYMBOL(rtc_irq_register); ++ ++void rtc_irq_unregister(struct class_device *class_dev, struct rtc_task *task) ++{ ++ struct rtc_device *rtc = to_rtc_device(class_dev); ++ ++ spin_lock(&rtc->irq_task_lock); ++ if (rtc->irq_task == task) ++ rtc->irq_task = NULL; ++ spin_unlock(&rtc->irq_task_lock); ++} ++EXPORT_SYMBOL(rtc_irq_unregister); ++ ++int rtc_irq_set_state(struct class_device *class_dev, struct rtc_task *task, int enabled) ++{ ++ int err = 0; ++ unsigned long flags; ++ struct rtc_device *rtc = to_rtc_device(class_dev); ++ ++ spin_lock_irqsave(&rtc->irq_task_lock, flags); ++ if (rtc->irq_task != task) ++ err = -ENXIO; ++ spin_unlock_irqrestore(&rtc->irq_task_lock, flags); ++ ++ if (err == 0) ++ err = rtc->ops->irq_set_state(class_dev->dev, enabled); ++ ++ return err; ++} ++EXPORT_SYMBOL(rtc_irq_set_state); ++ ++int rtc_irq_set_freq(struct class_device *class_dev, struct rtc_task *task, int freq) ++{ ++ int err = 0, tmp = 0; ++ unsigned long flags; ++ struct rtc_device *rtc = to_rtc_device(class_dev); ++ ++ /* allowed range is 2-8192 */ ++ if (freq < 2 || freq > 8192) ++ return -EINVAL; ++ ++/* if ((freq > rtc_max_user_freq) && (!capable(CAP_SYS_RESOURCE))) ++ return -EACCES; ++*/ ++ /* check if freq is a power of 2 */ ++ while (freq > (1 << tmp)) ++ tmp++; ++ ++ if (freq != (1 << tmp)) ++ return -EINVAL; ++ ++ spin_lock_irqsave(&rtc->irq_task_lock, flags); ++ if (rtc->irq_task != task) ++ err = -ENXIO; ++ spin_unlock_irqrestore(&rtc->irq_task_lock, flags); ++ ++ if (err == 0) { ++ if ((err = rtc->ops->irq_set_freq(class_dev->dev, freq)) == 0) ++ rtc->irq_freq = freq; ++ } ++ return err; ++ ++} +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-nslu2/drivers/rtc/utils.c 2006-01-03 15:34:24.000000000 +0100 +@@ -0,0 +1,97 @@ ++/* ++ * RTC subsystem, utility functions ++ * ++ * Copyright (C) 2005 Tower Technologies ++ * Author: Alessandro Zummo <a.zummo@towertech.it> ++ * ++ * based on arch/arm/common/rtctime.c ++ * ++ * 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; version 2 of the License. ++*/ ++ ++#include <linux/rtc.h> ++ ++static const unsigned char rtc_days_in_month[] = { ++ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ++}; ++ ++#define LEAPS_THRU_END_OF(y) ((y)/4 - (y)/100 + (y)/400) ++#define LEAP_YEAR(year) ((!(year % 4) && (year % 100)) || !(year % 400)) ++ ++int rtc_month_days(unsigned int month, unsigned int year) ++{ ++ return rtc_days_in_month[month] + (LEAP_YEAR(year) && month == 1); ++} ++EXPORT_SYMBOL(rtc_month_days); ++ ++/* ++ * Convert seconds since 01-01-1970 00:00:00 to Gregorian date. ++ */ ++void rtc_time_to_tm(unsigned long time, struct rtc_time *tm) ++{ ++ int days, month, year; ++ ++ days = time / 86400; ++ time -= days * 86400; ++ ++ tm->tm_wday = (days + 4) % 7; ++ ++ year = 1970 + days / 365; ++ days -= (year - 1970) * 365 ++ + LEAPS_THRU_END_OF(year - 1) ++ - LEAPS_THRU_END_OF(1970 - 1); ++ if (days < 0) { ++ year -= 1; ++ days += 365 + LEAP_YEAR(year); ++ } ++ tm->tm_year = year - 1900; ++ tm->tm_yday = days + 1; ++ ++ for (month = 0; month < 11; month++) { ++ int newdays; ++ ++ newdays = days - rtc_month_days(month, year); ++ if (newdays < 0) ++ break; ++ days = newdays; ++ } ++ tm->tm_mon = month; ++ tm->tm_mday = days + 1; ++ ++ tm->tm_hour = time / 3600; ++ time -= tm->tm_hour * 3600; ++ tm->tm_min = time / 60; ++ tm->tm_sec = time - tm->tm_min * 60; ++} ++EXPORT_SYMBOL(rtc_time_to_tm); ++ ++/* ++ * Does the rtc_time represent a valid date/time? ++ */ ++int rtc_valid_tm(struct rtc_time *tm) ++{ ++ if (tm->tm_year < 70 || ++ tm->tm_mon >= 12 || ++ tm->tm_mday < 1 || ++ tm->tm_mday > rtc_month_days(tm->tm_mon, tm->tm_year + 1900) || ++ tm->tm_hour >= 24 || ++ tm->tm_min >= 60 || ++ tm->tm_sec >= 60) ++ return -EINVAL; ++ ++ return 0; ++} ++EXPORT_SYMBOL(rtc_valid_tm); ++ ++/* ++ * Convert Gregorian date to seconds since 01-01-1970 00:00:00. ++ */ ++int rtc_tm_to_time(struct rtc_time *tm, unsigned long *time) ++{ ++ *time = mktime(tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, ++ tm->tm_hour, tm->tm_min, tm->tm_sec); ++ return 0; ++} ++EXPORT_SYMBOL(rtc_tm_to_time); +--- linux-nslu2.orig/arch/arm/Kconfig 2006-01-04 01:27:04.000000000 +0100 ++++ linux-nslu2/arch/arm/Kconfig 2006-01-04 01:27:31.000000000 +0100 +@@ -750,6 +750,8 @@ source "drivers/usb/Kconfig" + + source "drivers/mmc/Kconfig" + ++source "drivers/rtc/Kconfig" ++ + endmenu + + source "fs/Kconfig" +--- linux-nslu2.orig/arch/arm/common/rtctime.c 2006-01-04 01:27:04.000000000 +0100 ++++ linux-nslu2/arch/arm/common/rtctime.c 2006-01-04 01:27:09.000000000 +0100 +@@ -40,89 +40,6 @@ static struct rtc_ops *rtc_ops; + + #define rtc_epoch 1900UL + +-static const unsigned char days_in_month[] = { +- 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 +-}; +- +-#define LEAPS_THRU_END_OF(y) ((y)/4 - (y)/100 + (y)/400) +-#define LEAP_YEAR(year) ((!(year % 4) && (year % 100)) || !(year % 400)) +- +-static int month_days(unsigned int month, unsigned int year) +-{ +- return days_in_month[month] + (LEAP_YEAR(year) && month == 1); +-} +- +-/* +- * Convert seconds since 01-01-1970 00:00:00 to Gregorian date. +- */ +-void rtc_time_to_tm(unsigned long time, struct rtc_time *tm) +-{ +- int days, month, year; +- +- days = time / 86400; +- time -= days * 86400; +- +- tm->tm_wday = (days + 4) % 7; +- +- year = 1970 + days / 365; +- days -= (year - 1970) * 365 +- + LEAPS_THRU_END_OF(year - 1) +- - LEAPS_THRU_END_OF(1970 - 1); +- if (days < 0) { +- year -= 1; +- days += 365 + LEAP_YEAR(year); +- } +- tm->tm_year = year - 1900; +- tm->tm_yday = days + 1; +- +- for (month = 0; month < 11; month++) { +- int newdays; +- +- newdays = days - month_days(month, year); +- if (newdays < 0) +- break; +- days = newdays; +- } +- tm->tm_mon = month; +- tm->tm_mday = days + 1; +- +- tm->tm_hour = time / 3600; +- time -= tm->tm_hour * 3600; +- tm->tm_min = time / 60; +- tm->tm_sec = time - tm->tm_min * 60; +-} +-EXPORT_SYMBOL(rtc_time_to_tm); +- +-/* +- * Does the rtc_time represent a valid date/time? +- */ +-int rtc_valid_tm(struct rtc_time *tm) +-{ +- if (tm->tm_year < 70 || +- tm->tm_mon >= 12 || +- tm->tm_mday < 1 || +- tm->tm_mday > month_days(tm->tm_mon, tm->tm_year + 1900) || +- tm->tm_hour >= 24 || +- tm->tm_min >= 60 || +- tm->tm_sec >= 60) +- return -EINVAL; +- +- return 0; +-} +-EXPORT_SYMBOL(rtc_valid_tm); +- +-/* +- * Convert Gregorian date to seconds since 01-01-1970 00:00:00. +- */ +-int rtc_tm_to_time(struct rtc_time *tm, unsigned long *time) +-{ +- *time = mktime(tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, +- tm->tm_hour, tm->tm_min, tm->tm_sec); +- +- return 0; +-} +-EXPORT_SYMBOL(rtc_tm_to_time); +- + /* + * Calculate the next alarm time given the requested alarm time mask + * and the current time. +@@ -141,13 +58,13 @@ void rtc_next_alarm_time(struct rtc_time + next->tm_sec = alrm->tm_sec; + } + +-static inline int rtc_read_time(struct rtc_ops *ops, struct rtc_time *tm) ++static inline int rtc_arm_read_time(struct rtc_ops *ops, struct rtc_time *tm) + { + memset(tm, 0, sizeof(struct rtc_time)); + return ops->read_time(tm); + } + +-static inline int rtc_set_time(struct rtc_ops *ops, struct rtc_time *tm) ++static inline int rtc_arm_set_time(struct rtc_ops *ops, struct rtc_time *tm) + { + int ret; + +@@ -158,7 +75,7 @@ static inline int rtc_set_time(struct rt + return ret; + } + +-static inline int rtc_read_alarm(struct rtc_ops *ops, struct rtc_wkalrm *alrm) ++static inline int rtc_arm_read_alarm(struct rtc_ops *ops, struct rtc_wkalrm *alrm) + { + int ret = -EINVAL; + if (ops->read_alarm) { +@@ -168,7 +85,7 @@ static inline int rtc_read_alarm(struct + return ret; + } + +-static inline int rtc_set_alarm(struct rtc_ops *ops, struct rtc_wkalrm *alrm) ++static inline int rtc_arm_set_alarm(struct rtc_ops *ops, struct rtc_wkalrm *alrm) + { + int ret = -EINVAL; + if (ops->set_alarm) +@@ -256,7 +173,7 @@ static int rtc_ioctl(struct inode *inode + + switch (cmd) { + case RTC_ALM_READ: +- ret = rtc_read_alarm(ops, &alrm); ++ ret = rtc_arm_read_alarm(ops, &alrm); + if (ret) + break; + ret = copy_to_user(uarg, &alrm.time, sizeof(tm)); +@@ -278,11 +195,11 @@ static int rtc_ioctl(struct inode *inode + alrm.time.tm_wday = -1; + alrm.time.tm_yday = -1; + alrm.time.tm_isdst = -1; +- ret = rtc_set_alarm(ops, &alrm); ++ ret = rtc_arm_set_alarm(ops, &alrm); + break; + + case RTC_RD_TIME: +- ret = rtc_read_time(ops, &tm); ++ ret = rtc_arm_read_time(ops, &tm); + if (ret) + break; + ret = copy_to_user(uarg, &tm, sizeof(tm)); +@@ -300,7 +217,7 @@ static int rtc_ioctl(struct inode *inode + ret = -EFAULT; + break; + } +- ret = rtc_set_time(ops, &tm); ++ ret = rtc_arm_set_time(ops, &tm); + break; + + case RTC_EPOCH_SET: +@@ -331,11 +248,11 @@ static int rtc_ioctl(struct inode *inode + ret = -EFAULT; + break; + } +- ret = rtc_set_alarm(ops, &alrm); ++ ret = rtc_arm_set_alarm(ops, &alrm); + break; + + case RTC_WKALM_RD: +- ret = rtc_read_alarm(ops, &alrm); ++ ret = rtc_arm_read_alarm(ops, &alrm); + if (ret) + break; + ret = copy_to_user(uarg, &alrm, sizeof(alrm)); +@@ -425,7 +342,7 @@ static int rtc_read_proc(char *page, cha + struct rtc_time tm; + char *p = page; + +- if (rtc_read_time(ops, &tm) == 0) { ++ if (rtc_arm_read_time(ops, &tm) == 0) { + p += sprintf(p, + "rtc_time\t: %02d:%02d:%02d\n" + "rtc_date\t: %04d-%02d-%02d\n" +@@ -435,7 +352,7 @@ static int rtc_read_proc(char *page, cha + rtc_epoch); + } + +- if (rtc_read_alarm(ops, &alrm) == 0) { ++ if (rtc_arm_read_alarm(ops, &alrm) == 0) { + p += sprintf(p, "alrm_time\t: "); + if ((unsigned int)alrm.time.tm_hour <= 24) + p += sprintf(p, "%02d:", alrm.time.tm_hour); +--- linux-nslu2.orig/include/asm-arm/rtc.h 2006-01-04 01:27:04.000000000 +0100 ++++ linux-nslu2/include/asm-arm/rtc.h 2006-01-04 01:27:09.000000000 +0100 +@@ -25,9 +25,6 @@ struct rtc_ops { + int (*proc)(char *buf); + }; + +-void rtc_time_to_tm(unsigned long, struct rtc_time *); +-int rtc_tm_to_time(struct rtc_time *, unsigned long *); +-int rtc_valid_tm(struct rtc_time *); + void rtc_next_alarm_time(struct rtc_time *, struct rtc_time *, struct rtc_time *); + void rtc_update(unsigned long, unsigned long); + int register_rtc(struct rtc_ops *); +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-nslu2/drivers/rtc/rtc-sysfs.c 2006-01-04 01:27:12.000000000 +0100 +@@ -0,0 +1,125 @@ ++/* ++ * RTC subsystem, sysfs interface ++ * ++ * Copyright (C) 2005 Tower Technologies ++ * Author: Alessandro Zummo <a.zummo@towertech.it> ++ * ++ * 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; version 2 of the License. ++*/ ++ ++#include <linux/module.h> ++#include <linux/rtc.h> ++ ++/* device attributes */ ++ ++static ssize_t rtc_sysfs_show_name(struct class_device *dev, char *buf) ++{ ++ return sprintf(buf, "%s\n", to_rtc_device(dev)->name); ++} ++static CLASS_DEVICE_ATTR(name, S_IRUGO, rtc_sysfs_show_name, NULL); ++ ++static ssize_t rtc_sysfs_show_date(struct class_device *dev, char *buf) ++{ ++ ssize_t retval = 0; ++ struct rtc_device *rtc = to_rtc_device(dev); ++ struct rtc_time tm; ++ ++ if (down_read_trylock(&rtc->lock) == 0) ++ return -ENODEV; ++ ++ if (rtc_read_time(dev, &tm) == 0) { ++ retval = sprintf(buf, "%04d-%02d-%02d\n", ++ tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday); ++ } ++ ++ up_read(&rtc->lock); ++ return retval; ++} ++static CLASS_DEVICE_ATTR(date, S_IRUGO, rtc_sysfs_show_date, NULL); ++ ++static ssize_t rtc_sysfs_show_time(struct class_device *dev, char *buf) ++{ ++ ssize_t retval = 0; ++ struct rtc_device *rtc = to_rtc_device(dev); ++ struct rtc_time tm; ++ ++ if (down_read_trylock(&rtc->lock) == 0) ++ return -ENODEV; ++ ++ if (rtc_read_time(dev, &tm) == 0) { ++ retval = sprintf(buf, "%02d:%02d:%02d\n", ++ tm.tm_hour, tm.tm_min, tm.tm_sec); ++ } ++ ++ up_read(&rtc->lock); ++ return retval; ++} ++static CLASS_DEVICE_ATTR(time, S_IRUGO, rtc_sysfs_show_time, NULL); ++ ++static ssize_t rtc_sysfs_show_since_epoch(struct class_device *dev, char *buf) ++{ ++ ssize_t retval = 0; ++ struct rtc_device *rtc = to_rtc_device(dev); ++ struct rtc_time tm; ++ ++ if (down_read_trylock(&rtc->lock) == 0) ++ return -ENODEV; ++ ++ if (rtc_read_time(dev, &tm) == 0) { ++ unsigned long time; ++ rtc_tm_to_time(&tm, &time); ++ retval = sprintf(buf, "%lu\n", time); ++ } ++ ++ up_read(&rtc->lock); ++ return retval; ++} ++static CLASS_DEVICE_ATTR(since_epoch, S_IRUGO, rtc_sysfs_show_since_epoch, NULL); ++ ++/* insertion/removal hooks */ ++ ++static int __devinit rtc_sysfs_add_device(struct class_device *class_dev, ++ struct class_interface *class_intf) ++{ ++ class_device_create_file(class_dev, &class_device_attr_name); ++ class_device_create_file(class_dev, &class_device_attr_date); ++ class_device_create_file(class_dev, &class_device_attr_time); ++ class_device_create_file(class_dev, &class_device_attr_since_epoch); ++ dev_info(class_dev->dev, "rtc intf: sysfs\n"); ++ return 0; ++} ++ ++static void rtc_sysfs_remove_device(struct class_device *class_dev, ++ struct class_interface *class_intf) ++{ ++ class_device_remove_file(class_dev, &class_device_attr_name); ++ class_device_remove_file(class_dev, &class_device_attr_date); ++ class_device_remove_file(class_dev, &class_device_attr_time); ++ class_device_remove_file(class_dev, &class_device_attr_since_epoch); ++} ++ ++/* interface registration */ ++ ++struct class_interface rtc_sysfs_interface = { ++ .add = &rtc_sysfs_add_device, ++ .remove = &rtc_sysfs_remove_device, ++}; ++ ++static int __init rtc_sysfs_init(void) ++{ ++ return rtc_interface_register(&rtc_sysfs_interface); ++} ++ ++static void __exit rtc_sysfs_exit(void) ++{ ++ class_interface_unregister(&rtc_sysfs_interface); ++} ++ ++module_init(rtc_sysfs_init); ++module_exit(rtc_sysfs_exit); ++ ++MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>"); ++MODULE_DESCRIPTION("RTC class sysfs interface"); ++MODULE_LICENSE("GPL"); +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-nslu2/drivers/rtc/rtc-proc.c 2006-01-04 01:27:14.000000000 +0100 +@@ -0,0 +1,158 @@ ++/* ++ * RTC subsystem, proc interface ++ * ++ * Copyright (C) 2005 Tower Technologies ++ * Author: Alessandro Zummo <a.zummo@towertech.it> ++ * ++ * based on arch/arm/common/rtctime.c ++ * ++ * 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; version 2 of the License. ++*/ ++ ++#include <linux/module.h> ++#include <linux/rtc.h> ++#include <linux/proc_fs.h> ++#include <linux/seq_file.h> ++ ++static struct class_device *rtc_dev = NULL; ++static DECLARE_MUTEX(rtc_sem); ++ ++static int rtc_proc_show(struct seq_file *seq, void *offset) ++{ ++ struct class_device *class_dev = seq->private; ++ struct rtc_class_ops *ops = to_rtc_device(class_dev)->ops; ++ struct rtc_wkalrm alrm; ++ struct rtc_time tm; ++ ++ if (rtc_read_time(class_dev, &tm) == 0) { ++ seq_printf(seq, ++ "rtc_time\t: %02d:%02d:%02d\n" ++ "rtc_date\t: %04d-%02d-%02d\n", ++ tm.tm_hour, tm.tm_min, tm.tm_sec, ++ tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday); ++ } ++ ++ if (rtc_read_alarm(class_dev, &alrm) == 0) { ++ seq_printf(seq, "alrm_time\t: "); ++ if ((unsigned int)alrm.time.tm_hour <= 24) ++ seq_printf(seq, "%02d:", alrm.time.tm_hour); ++ else ++ seq_printf(seq, "**:"); ++ if ((unsigned int)alrm.time.tm_min <= 59) ++ seq_printf(seq, "%02d:", alrm.time.tm_min); ++ else ++ seq_printf(seq, "**:"); ++ if ((unsigned int)alrm.time.tm_sec <= 59) ++ seq_printf(seq, "%02d\n", alrm.time.tm_sec); ++ else ++ seq_printf(seq, "**\n"); ++ ++ seq_printf(seq, "alrm_date\t: "); ++ if ((unsigned int)alrm.time.tm_year <= 200) ++ seq_printf(seq, "%04d-", alrm.time.tm_year + 1900); ++ else ++ seq_printf(seq, "****-"); ++ if ((unsigned int)alrm.time.tm_mon <= 11) ++ seq_printf(seq, "%02d-", alrm.time.tm_mon + 1); ++ else ++ seq_printf(seq, "**-"); ++ if ((unsigned int)alrm.time.tm_mday <= 31) ++ seq_printf(seq, "%02d\n", alrm.time.tm_mday); ++ else ++ seq_printf(seq, "**\n"); ++ seq_printf(seq, "alrm_wakeup\t: %s\n", ++ alrm.enabled ? "yes" : "no"); ++ seq_printf(seq, "alrm_pending\t: %s\n", ++ alrm.pending ? "yes" : "no"); ++ } ++ ++ if (ops->proc) ++ ops->proc(class_dev->dev, seq); ++ ++ return 0; ++} ++ ++static int rtc_proc_open(struct inode *inode, struct file *file) ++{ ++ struct class_device *class_dev = PDE(inode)->data; ++ ++ if (!try_module_get(THIS_MODULE)) ++ return -ENODEV; ++ ++ return single_open(file, rtc_proc_show, class_dev); ++} ++ ++static int rtc_proc_release(struct inode *inode, struct file *file) ++{ ++ int res = single_release(inode, file); ++ module_put(THIS_MODULE); ++ return res; ++} ++ ++static struct file_operations rtc_proc_fops = { ++ .open = rtc_proc_open, ++ .read = seq_read, ++ .llseek = seq_lseek, ++ .release = rtc_proc_release, ++}; ++ ++static int rtc_proc_add_device(struct class_device *class_dev, ++ struct class_interface *class_intf) ++{ ++ down(&rtc_sem); ++ if (rtc_dev == NULL) { ++ struct proc_dir_entry *ent; ++ ++ rtc_dev = class_dev; ++ ++ if ((ent = create_proc_entry("driver/rtc", 0, NULL))) { ++ struct rtc_device *rtc = to_rtc_device(class_dev); ++ ++ ent->proc_fops = &rtc_proc_fops; ++ ent->owner = rtc->owner; ++ ent->data = class_dev; ++ ++ dev_info(class_dev->dev, "rtc intf: proc\n"); ++ } ++ else ++ rtc_dev = NULL; ++ } ++ up(&rtc_sem); ++ ++ return 0; ++} ++ ++static void rtc_proc_remove_device(struct class_device *class_dev, ++ struct class_interface *class_intf) ++{ ++ down(&rtc_sem); ++ if (rtc_dev == class_dev) { ++ remove_proc_entry("driver/rtc", NULL); ++ rtc_dev = NULL; ++ } ++ up(&rtc_sem); ++} ++ ++struct class_interface rtc_proc_interface = { ++ .add = &rtc_proc_add_device, ++ .remove = &rtc_proc_remove_device, ++}; ++ ++static int __init rtc_proc_init(void) ++{ ++ return rtc_interface_register(&rtc_proc_interface); ++} ++ ++static void __exit rtc_proc_exit(void) ++{ ++ class_interface_unregister(&rtc_proc_interface); ++} ++ ++module_init(rtc_proc_init); ++module_exit(rtc_proc_exit); ++ ++MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>"); ++MODULE_DESCRIPTION("RTC class proc interface"); ++MODULE_LICENSE("GPL"); +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-nslu2/drivers/rtc/rtc-dev.c 2006-01-04 01:27:15.000000000 +0100 +@@ -0,0 +1,372 @@ ++/* ++ * RTC subsystem, dev interface ++ * ++ * Copyright (C) 2005 Tower Technologies ++ * Author: Alessandro Zummo <a.zummo@towertech.it> ++ * ++ * based on arch/arm/common/rtctime.c ++ * ++ * 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; version 2 of the License. ++*/ ++ ++#include <linux/module.h> ++#include <linux/rtc.h> ++ ++static dev_t rtc_devt; ++ ++#define RTC_DEV_MAX 16 /* 16 RTCs should be enough for everyone... */ ++ ++static int rtc_dev_open(struct inode *inode, struct file *file) ++{ ++ int err; ++ struct rtc_device *rtc = container_of(inode->i_cdev, ++ struct rtc_device, char_dev); ++ struct rtc_class_ops *ops = rtc->ops; ++ ++ /* We keep the lock as long as the device is in use ++ * and return immediately if busy ++ */ ++ if (down_trylock(&rtc->char_sem)) ++ return -EBUSY; ++ ++ file->private_data = &rtc->class_dev; ++ ++ err = ops->open ? ops->open(rtc->class_dev.dev) : 0; ++ if (err == 0) { ++ ++ spin_lock_irq(&rtc->irq_lock); ++ rtc->irq_data = 0; ++ spin_unlock_irq(&rtc->irq_lock); ++ ++ return 0; ++ } ++ ++ /* something has gone wrong, release the lock */ ++ up(&rtc->char_sem); ++ return err; ++} ++ ++ ++static ssize_t ++rtc_dev_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) ++{ ++ struct rtc_device *rtc = to_rtc_device(file->private_data); ++ ++ DECLARE_WAITQUEUE(wait, current); ++ unsigned long data; ++ ssize_t ret; ++ ++ if (count < sizeof(unsigned long)) ++ return -EINVAL; ++ ++ add_wait_queue(&rtc->irq_queue, &wait); ++ do { ++ __set_current_state(TASK_INTERRUPTIBLE); ++ ++ spin_lock_irq(&rtc->irq_lock); ++ data = rtc->irq_data; ++ rtc->irq_data = 0; ++ spin_unlock_irq(&rtc->irq_lock); ++ ++ if (data != 0) { ++ ret = 0; ++ break; ++ } ++ if (file->f_flags & O_NONBLOCK) { ++ ret = -EAGAIN; ++ break; ++ } ++ if (signal_pending(current)) { ++ ret = -ERESTARTSYS; ++ break; ++ } ++ schedule(); ++ } while (1); ++ set_current_state(TASK_RUNNING); ++ remove_wait_queue(&rtc->irq_queue, &wait); ++ ++ if (ret == 0) { ++ ret = put_user(data, (unsigned long __user *)buf); ++ if (ret == 0) ++ ret = sizeof(unsigned long); ++ } ++ return ret; ++} ++ ++static unsigned int rtc_dev_poll(struct file *file, poll_table *wait) ++{ ++ struct rtc_device *rtc = to_rtc_device(file->private_data); ++ unsigned long data; ++ ++ poll_wait(file, &rtc->irq_queue, wait); ++ ++ spin_lock_irq(&rtc->irq_lock); ++ data = rtc->irq_data; ++ spin_unlock_irq(&rtc->irq_lock); ++ ++ return data != 0 ? POLLIN | POLLRDNORM : 0; ++} ++ ++static int rtc_dev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, ++ unsigned long arg) ++{ ++ int err = 0; ++ struct class_device *class_dev = file->private_data; ++ struct rtc_device *rtc = to_rtc_device(class_dev); ++ struct rtc_class_ops *ops = rtc->ops; ++ struct rtc_time tm; ++ struct rtc_wkalrm alarm; ++ void __user *uarg = (void __user *) arg; ++ ++ /* avoid conflicting IRQ users */ ++ if (cmd == RTC_PIE_ON || cmd == RTC_PIE_OFF || cmd == RTC_IRQP_SET) { ++ spin_lock(&rtc->irq_task_lock); ++ if (rtc->irq_task) ++ err = -EBUSY; ++ spin_unlock(&rtc->irq_task_lock); ++ ++ if (err < 0) ++ return err; ++ } ++ ++ /* try the driver's ioctl interface */ ++ if (ops->ioctl) { ++ err = ops->ioctl(class_dev->dev, cmd, arg); ++ if (err < 0 && err != -EINVAL) ++ return err; ++ } ++ ++ /* if the driver does not provide the ioctl interface ++ * or if that particular ioctl was not implemented ++ * (-EINVAL), we will try to emulate here. ++ */ ++ ++ switch (cmd) { ++ case RTC_ALM_READ: ++ if ((err = rtc_read_alarm(class_dev, &alarm)) < 0) ++ return err; ++ ++ if ((err = copy_to_user(uarg, &alarm.time, sizeof(tm)))) ++ return -EFAULT; ++ break; ++ ++ case RTC_ALM_SET: ++ if ((err = copy_from_user(&alarm.time, uarg, sizeof(tm)))) ++ return -EFAULT; ++ ++ alarm.enabled = 0; ++ alarm.pending = 0; ++ alarm.time.tm_mday = -1; ++ alarm.time.tm_mon = -1; ++ alarm.time.tm_year = -1; ++ alarm.time.tm_wday = -1; ++ alarm.time.tm_yday = -1; ++ alarm.time.tm_isdst = -1; ++ err = rtc_set_alarm(class_dev, &alarm); ++ break; ++ ++ case RTC_RD_TIME: ++ if ((err = rtc_read_time(class_dev, &tm)) < 0) ++ return err; ++ ++ if ((err = copy_to_user(uarg, &tm, sizeof(tm)))) ++ return -EFAULT; ++ break; ++ ++ case RTC_SET_TIME: ++ if (!capable(CAP_SYS_TIME)) ++ return -EACCES; ++ ++ if ((err = copy_from_user(&tm, uarg, sizeof(tm)))) ++ return -EFAULT; ++ ++ err = rtc_set_time(class_dev, &tm); ++ break; ++#if 0 ++ case RTC_EPOCH_SET: ++#ifndef rtc_epoch ++ /* ++ * There were no RTC clocks before 1900. ++ */ ++ if (arg < 1900) { ++ err = -EINVAL; ++ break; ++ } ++ if (!capable(CAP_SYS_TIME)) { ++ err = -EACCES; ++ break; ++ } ++ rtc_epoch = arg; ++ err = 0; ++#endif ++ break; ++ ++ case RTC_EPOCH_READ: ++ err = put_user(rtc_epoch, (unsigned long __user *)uarg); ++ break; ++#endif ++ case RTC_WKALM_SET: ++ if ((err = copy_from_user(&alarm, uarg, sizeof(alarm)))) ++ return -EFAULT; ++ ++ err = rtc_set_alarm(class_dev, &alarm); ++ break; ++ ++ case RTC_WKALM_RD: ++ if ((err = rtc_read_alarm(class_dev, &alarm)) < 0) ++ return err; ++ ++ if ((err = copy_to_user(uarg, &alarm, sizeof(alarm)))) ++ return -EFAULT; ++ break; ++ ++ default: ++ err = -EINVAL; ++ break; ++ } ++ ++ return err; ++} ++ ++static int rtc_dev_release(struct inode *inode, struct file *file) ++{ ++ struct rtc_device *rtc = to_rtc_device(file->private_data); ++ ++ if (rtc->ops->release) ++ rtc->ops->release(rtc->class_dev.dev); ++ ++ spin_lock_irq(&rtc->irq_lock); ++ rtc->irq_data = 0; ++ spin_unlock_irq(&rtc->irq_lock); ++ ++ up(&rtc->char_sem); ++ return 0; ++} ++ ++static int rtc_dev_fasync(int fd, struct file *file, int on) ++{ ++ struct rtc_device *rtc = to_rtc_device(file->private_data); ++ return fasync_helper(fd, file, on, &rtc->async_queue); ++} ++ ++static struct file_operations rtc_dev_fops = { ++ .owner = THIS_MODULE, ++ .llseek = no_llseek, ++ .read = rtc_dev_read, ++ .poll = rtc_dev_poll, ++ .ioctl = rtc_dev_ioctl, ++ .open = rtc_dev_open, ++ .release = rtc_dev_release, ++ .fasync = rtc_dev_fasync, ++}; ++ ++static ssize_t rtc_dev_show_dev(struct class_device *class_dev, char *buf) ++{ ++ return print_dev_t(buf, class_dev->devt); ++} ++static CLASS_DEVICE_ATTR(dev, S_IRUGO, rtc_dev_show_dev, NULL); ++ ++/* insertion/removal hooks */ ++ ++static int rtc_dev_add_device(struct class_device *class_dev, ++ struct class_interface *class_intf) ++{ ++ struct rtc_device *rtc = to_rtc_device(class_dev); ++ ++ if (rtc->id >= RTC_DEV_MAX) { ++ dev_err(class_dev->dev, "too many RTCs\n"); ++ return -EINVAL; ++ } ++ ++ init_MUTEX(&rtc->char_sem); ++ spin_lock_init(&rtc->irq_lock); ++ init_waitqueue_head(&rtc->irq_queue); ++ ++ cdev_init(&rtc->char_dev, &rtc_dev_fops); ++ rtc->char_dev.owner = rtc->owner; ++ class_dev->devt = MKDEV(MAJOR(rtc_devt), rtc->id); ++ ++ if (cdev_add(&rtc->char_dev, class_dev->devt, 1)) { ++ cdev_del(&rtc->char_dev); ++ ++ dev_err(class_dev->dev, ++ "failed to add char device %d:%d\n", ++ MAJOR(class_dev->devt), ++ MINOR(class_dev->devt)); ++ ++ class_dev->devt = MKDEV(0, 0); ++ return -ENODEV; ++ } ++ ++ class_device_create_file(class_dev, &class_device_attr_dev); ++ ++ dev_info(class_dev->dev, "rtc intf: dev (%d:%d)\n", ++ MAJOR(class_dev->devt), ++ MINOR(class_dev->devt)); ++ ++ kobject_hotplug(&class_dev->kobj, KOBJ_ADD); ++ ++ return 0; ++} ++ ++static void rtc_dev_remove_device(struct class_device *class_dev, ++ struct class_interface *class_intf) ++{ ++ struct rtc_device *rtc = to_rtc_device(class_dev); ++ ++ class_device_remove_file(class_dev, &class_device_attr_dev); ++ ++ if (MAJOR(class_dev->devt)) { ++ dev_dbg(class_dev->dev, "removing char %d:%d\n", ++ MAJOR(class_dev->devt), ++ MINOR(class_dev->devt)); ++ cdev_del(&rtc->char_dev); ++ ++ kobject_hotplug(&class_dev->kobj, KOBJ_REMOVE); ++ ++ class_dev->devt = MKDEV(0, 0); ++ } ++} ++ ++/* interface registration */ ++ ++struct class_interface rtc_dev_interface = { ++ .add = &rtc_dev_add_device, ++ .remove = &rtc_dev_remove_device, ++}; ++ ++static int __init rtc_dev_init(void) ++{ ++ int err; ++ ++ if ((err = alloc_chrdev_region(&rtc_devt, 0, RTC_DEV_MAX, "rtc")) < 0) { ++ printk(KERN_ERR "%s: failed to allocate char dev region\n", ++ __FILE__); ++ return err; ++ } ++ ++ if ((err = rtc_interface_register(&rtc_dev_interface)) < 0) { ++ printk(KERN_ERR "%s: failed to register the interface\n", ++ __FILE__); ++ unregister_chrdev_region(rtc_devt, RTC_DEV_MAX); ++ return err; ++ } ++ ++ return 0; ++} ++ ++static void __exit rtc_dev_exit(void) ++{ ++ class_interface_unregister(&rtc_dev_interface); ++ ++ unregister_chrdev_region(rtc_devt, RTC_DEV_MAX); ++} ++ ++module_init(rtc_dev_init); ++module_exit(rtc_dev_exit); ++ ++MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>"); ++MODULE_DESCRIPTION("RTC class dev interface"); ++MODULE_LICENSE("GPL"); +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-nslu2/drivers/rtc/rtc-x1205.c 2006-01-04 01:27:17.000000000 +0100 +@@ -0,0 +1,725 @@ ++/* ++ * An i2c driver for the Xicor/Intersil X1205 RTC ++ * Copyright 2004 Karen Spearel ++ * Copyright 2005 Alessandro Zummo ++ * ++ * please send all reports to: ++ * kas11 at tampabay dot rr dot com ++ * a dot zummo at towertech dot it ++ * ++ * based on a lot of other RTC drivers. ++ * ++ * 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. ++ */ ++ ++#include <linux/module.h> ++#include <linux/init.h> ++#include <linux/slab.h> ++#include <linux/err.h> ++#include <linux/i2c.h> ++#include <linux/string.h> ++#include <linux/bcd.h> ++#include <linux/rtc.h> ++#include <linux/delay.h> ++ ++#define DRV_VERSION "1.0.5" ++ ++/* Addresses to scan: none. This chip is located at ++ * 0x6f and uses a two bytes register addressing. ++ * Two bytes need to be written to read a single register, ++ * while most other chips just require one and take the second ++ * one as the data to be written. To prevent corrupting ++ * unknown chips, the user must explicitely set the probe parameter. ++ */ ++ ++static unsigned short normal_i2c[] = { I2C_CLIENT_END }; ++ ++/* Insmod parameters */ ++I2C_CLIENT_INSMOD; ++I2C_CLIENT_MODULE_PARM(hctosys, ++ "Set the system time from the hardware clock upon initialization"); ++ ++/* offsets into CCR area */ ++ ++#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 */ ++ ++/* Prototypes */ ++static int x1205_attach(struct i2c_adapter *adapter); ++static int x1205_detach(struct i2c_client *client); ++static int x1205_probe(struct i2c_adapter *adapter, int address, int kind); ++ ++static struct i2c_driver x1205_driver = { ++ .owner = THIS_MODULE, ++ .name = "x1205", ++ .flags = I2C_DF_NOTIFY, ++ .attach_adapter = &x1205_attach, ++ .detach_client = &x1205_detach, ++}; ++ ++/* ++ * 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. ++ */ ++static int x1205_get_datetime(struct i2c_client *client, struct rtc_time *tm, ++ unsigned char reg_base) ++{ ++ unsigned char dt_addr[2] = { 0, reg_base }; ++ ++ unsigned char buf[8]; ++ ++ struct i2c_msg msgs[] = { ++ { client->addr, 0, 2, dt_addr }, /* setup read ptr */ ++ { client->addr, I2C_M_RD, 8, buf }, /* read date */ ++ }; ++ ++ /* read date registers */ ++ if ((i2c_transfer(client->adapter, &msgs[0], 2)) != 2) { ++ dev_err(&client->dev, "%s: read error\n", __FUNCTION__); ++ return -EIO; ++ } ++ ++ dev_dbg(&client->dev, ++ "%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]) - 1; /* mon is 0-11 */ ++ tm->tm_year = BCD2BIN(buf[CCR_YEAR]) ++ + (BCD2BIN(buf[CCR_Y2K]) * 100) - 1900; ++ tm->tm_wday = buf[CCR_WDAY]; ++ ++ dev_dbg(&client->dev, "%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; ++} ++ ++static int x1205_get_status(struct i2c_client *client, unsigned char *sr) ++{ ++ static unsigned char sr_addr[2] = { 0, X1205_REG_SR }; ++ ++ struct i2c_msg msgs[] = { ++ { client->addr, 0, 2, sr_addr }, /* setup read ptr */ ++ { client->addr, I2C_M_RD, 1, sr }, /* read status */ ++ }; ++ ++ /* read status register */ ++ if ((i2c_transfer(client->adapter, &msgs[0], 2)) != 2) { ++ dev_err(&client->dev, "%s: read error\n", __FUNCTION__); ++ return -EIO; ++ } ++ ++ return 0; ++} ++ ++static int x1205_set_datetime(struct i2c_client *client, struct rtc_time *tm, ++ int datetoo, u8 reg_base) ++{ ++ int i, xfer; ++ unsigned char buf[8]; ++ ++ static const unsigned char wel[3] = { 0, X1205_REG_SR, ++ X1205_SR_WEL }; ++ ++ static const unsigned char rwel[3] = { 0, X1205_REG_SR, ++ X1205_SR_WEL | X1205_SR_RWEL }; ++ ++ static const unsigned char diswe[3] = { 0, X1205_REG_SR, 0 }; ++ ++ dev_dbg(&client->dev, ++ "%s: secs=%d, mins=%d, hours=%d\n", ++ __FUNCTION__, ++ tm->tm_sec, tm->tm_min, tm->tm_hour); ++ ++ 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; ++ ++ /* should we also set the date? */ ++ if (datetoo) { ++ dev_dbg(&client->dev, ++ "%s: mday=%d, mon=%d, year=%d, wday=%d\n", ++ __FUNCTION__, ++ tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_wday); ++ ++ buf[CCR_MDAY] = BIN2BCD(tm->tm_mday); ++ ++ /* month, 1 - 12 */ ++ buf[CCR_MONTH] = BIN2BCD(tm->tm_mon + 1); ++ ++ /* 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 */ ++ xfer = i2c_master_send(client, wel, 3); ++ if (xfer != 3) { ++ dev_err(&client->dev, "%s: wel - %d\n", __FUNCTION__, xfer); ++ return -EIO; ++ } ++ ++ xfer = i2c_master_send(client, rwel, 3); ++ if (xfer != 3) { ++ dev_err(&client->dev, "%s: rwel - %d\n", __FUNCTION__, xfer); ++ return -EIO; ++ } ++ ++ /* write register's data */ ++ for (i = 0; i < (datetoo ? 8 : 3); i++) { ++ unsigned char rdata[3] = { 0, reg_base + i, buf[i] }; ++ ++ xfer = i2c_master_send(client, rdata, 3); ++ if (xfer != 3) { ++ dev_err(&client->dev, ++ "%s: xfer=%d addr=%02x, data=%02x\n", ++ __FUNCTION__, ++ xfer, rdata[1], rdata[2]); ++ return -EIO; ++ } ++ }; ++ ++ /* disable further writes */ ++ xfer = i2c_master_send(client, diswe, 3); ++ if (xfer != 3) { ++ dev_err(&client->dev, "%s: diswe - %d\n", __FUNCTION__, xfer); ++ return -EIO; ++ } ++ ++ return 0; ++} ++ ++static int x1205_fix_osc(struct i2c_client *client) ++{ ++ int err; ++ struct rtc_time tm; ++ ++ tm.tm_hour = 0; ++ tm.tm_min = 0; ++ tm.tm_sec = 0; ++ ++ if ((err = x1205_set_datetime(client, &tm, 0, X1205_CCR_BASE)) < 0) ++ dev_err(&client->dev, ++ "unable to restart the clock\n"); ++ ++ return err; ++} ++ ++static int x1205_get_dtrim(struct i2c_client *client, int *trim) ++{ ++ unsigned char dtr; ++ static unsigned char dtr_addr[2] = { 0, X1205_REG_DTR }; ++ ++ struct i2c_msg msgs[] = { ++ { client->addr, 0, 2, dtr_addr }, /* setup read ptr */ ++ { client->addr, I2C_M_RD, 1, &dtr }, /* read dtr */ ++ }; ++ ++ /* read dtr register */ ++ if ((i2c_transfer(client->adapter, &msgs[0], 2)) != 2) { ++ dev_err(&client->dev, "%s: read error\n", __FUNCTION__); ++ return -EIO; ++ } ++ ++ dev_dbg(&client->dev, "%s: raw dtr=%x\n", __FUNCTION__, dtr); ++ ++ *trim = 0; ++ ++ if (dtr & X1205_DTR_DTR0) ++ *trim += 20; ++ ++ if (dtr & X1205_DTR_DTR1) ++ *trim += 10; ++ ++ if (dtr & X1205_DTR_DTR2) ++ *trim = -*trim; ++ ++ return 0; ++} ++ ++static int x1205_get_atrim(struct i2c_client *client, int *trim) ++{ ++ s8 atr; ++ static unsigned char atr_addr[2] = { 0, X1205_REG_ATR }; ++ ++ struct i2c_msg msgs[] = { ++ { client->addr, 0, 2, atr_addr }, /* setup read ptr */ ++ { client->addr, I2C_M_RD, 1, &atr }, /* read atr */ ++ }; ++ ++ /* read atr register */ ++ if ((i2c_transfer(client->adapter, &msgs[0], 2)) != 2) { ++ dev_err(&client->dev, "%s: read error\n", __FUNCTION__); ++ return -EIO; ++ } ++ ++ dev_dbg(&client->dev, "%s: raw atr=%x\n", __FUNCTION__, atr); ++ ++ /* atr is a two's complement value on 6 bits, ++ * perform sign extension. The formula is ++ * Catr = (atr * 0.25pF) + 11.00pF. ++ */ ++ if (atr & 0x20) ++ atr |= 0xC0; ++ ++ dev_dbg(&client->dev, "%s: raw atr=%x (%d)\n", __FUNCTION__, atr, atr); ++ ++ *trim = (atr * 250) + 11000; ++ ++ dev_dbg(&client->dev, "%s: real=%d\n", __FUNCTION__, *trim); ++ ++ return 0; ++} ++ ++static int x1205_hctosys(struct i2c_client *client) ++{ ++ int err; ++ ++ struct rtc_time tm; ++ struct timespec tv; ++ unsigned char sr; ++ ++ if ((err = x1205_get_status(client, &sr)) < 0) ++ return err; ++ ++ /* Don't set if we had a power failure */ ++ if (sr & X1205_SR_RTCF) ++ return -EINVAL; ++ ++ if ((err = x1205_get_datetime(client, &tm, X1205_CCR_BASE)) < 0) ++ return err; ++ ++ /* IMPORTANT: the RTC only stores whole seconds. It is arbitrary ++ * whether it stores the most close value or the value with partial ++ * seconds truncated. However, it is important that we use it to store ++ * the truncated value. This is because otherwise it is necessary, ++ * in an rtc sync function, to read both xtime.tv_sec and ++ * xtime.tv_nsec. On some processors (i.e. ARM), an atomic read ++ * of >32bits is not possible. So storing the most close value would ++ * slow down the sync API. So here we have the truncated value and ++ * the best guess is to add 0.5s. ++ */ ++ ++ tv.tv_nsec = NSEC_PER_SEC >> 1; ++ ++ rtc_tm_to_time(&tm, &tv.tv_sec); ++ ++ do_settimeofday(&tv); ++ ++ dev_info(&client->dev, ++ "setting the system clock to %d-%d-%d %d:%d:%d\n", ++ tm.tm_year + 1900, tm.tm_mon + 1, ++ tm.tm_mday, tm.tm_hour, tm.tm_min, ++ tm.tm_sec); ++ ++ return 0; ++} ++ ++struct x1205_limit ++{ ++ unsigned char reg; ++ unsigned char mask; ++ unsigned char min; ++ unsigned char max; ++}; ++ ++static int x1205_validate_client(struct i2c_client *client) ++{ ++ int i, xfer; ++ ++ /* Probe array. We will read the register at the specified ++ * address and check if the given bits are zero. ++ */ ++ static const unsigned char probe_zero_pattern[] = { ++ /* register, mask */ ++ X1205_REG_SR, 0x18, ++ X1205_REG_DTR, 0xF8, ++ X1205_REG_ATR, 0xC0, ++ X1205_REG_INT, 0x18, ++ X1205_REG_0, 0xFF, ++ }; ++ ++ static const struct x1205_limit probe_limits_pattern[] = { ++ /* register, mask, min, max */ ++ { X1205_REG_Y2K, 0xFF, 19, 20 }, ++ { X1205_REG_DW, 0xFF, 0, 6 }, ++ { X1205_REG_YR, 0xFF, 0, 99 }, ++ { X1205_REG_MO, 0xFF, 0, 12 }, ++ { X1205_REG_DT, 0xFF, 0, 31 }, ++ { X1205_REG_HR, 0x7F, 0, 23 }, ++ { X1205_REG_MN, 0xFF, 0, 59 }, ++ { X1205_REG_SC, 0xFF, 0, 59 }, ++ { X1205_REG_Y2K1, 0xFF, 19, 20 }, ++ { X1205_REG_Y2K0, 0xFF, 19, 20 }, ++ }; ++ ++ /* check that registers have bits a 0 where expected */ ++ for (i = 0; i < ARRAY_SIZE(probe_zero_pattern); i += 2) { ++ unsigned char buf; ++ ++ unsigned char addr[2] = { 0, probe_zero_pattern[i] }; ++ ++ struct i2c_msg msgs[2] = { ++ { client->addr, 0, 2, addr }, ++ { client->addr, I2C_M_RD, 1, &buf }, ++ }; ++ ++ xfer = i2c_transfer(client->adapter, msgs, 2); ++ if (xfer != 2) { ++ dev_err(&client->adapter->dev, ++ "%s: could not read register %x\n", ++ __FUNCTION__, addr[1]); ++ ++ return -EIO; ++ } ++ ++ if ((buf & probe_zero_pattern[i+1]) != 0) { ++ dev_err(&client->adapter->dev, ++ "%s: register=%02x, zero pattern=%d, value=%x\n", ++ __FUNCTION__, addr[1], i, buf); ++ ++ return -ENODEV; ++ } ++ } ++ ++ /* check limits (only registers with bcd values) */ ++ for (i = 0; i < ARRAY_SIZE(probe_limits_pattern); i++) { ++ unsigned char reg, value; ++ ++ unsigned char addr[2] = { 0, probe_limits_pattern[i].reg }; ++ ++ struct i2c_msg msgs[2] = { ++ { client->addr, 0, 2, addr }, ++ { client->addr, I2C_M_RD, 1, ® }, ++ }; ++ ++ xfer = i2c_transfer(client->adapter, msgs, 2); ++ ++ if (xfer != 2) { ++ dev_err(&client->adapter->dev, ++ "%s: could not read register %x\n", ++ __FUNCTION__, addr[1]); ++ ++ return -EIO; ++ } ++ ++ value = BCD2BIN(reg & probe_limits_pattern[i].mask); ++ ++ if (value > probe_limits_pattern[i].max || ++ value < probe_limits_pattern[i].min) { ++ dev_dbg(&client->adapter->dev, ++ "%s: register=%x, lim pattern=%d, value=%d\n", ++ __FUNCTION__, addr[1], i, value); ++ ++ return -ENODEV; ++ } ++ } ++ ++ return 0; ++} ++ ++static int x1205_rtc_read_alarm(struct device *dev, ++ struct rtc_wkalrm *alrm) ++{ ++ return x1205_get_datetime(to_i2c_client(dev), ++ &alrm->time, X1205_ALM0_BASE); ++} ++ ++static int x1205_rtc_set_alarm(struct device *dev, ++ struct rtc_wkalrm *alrm) ++{ ++ return x1205_set_datetime(to_i2c_client(dev), ++ &alrm->time, 1, X1205_ALM0_BASE); ++} ++ ++static int x1205_rtc_read_time(struct device *dev, ++ struct rtc_time *tm) ++{ ++ return x1205_get_datetime(to_i2c_client(dev), ++ tm, X1205_CCR_BASE); ++} ++ ++static int x1205_rtc_set_time(struct device *dev, ++ struct rtc_time *tm) ++{ ++ return x1205_set_datetime(to_i2c_client(dev), ++ tm, 1, X1205_CCR_BASE); ++} ++ ++static int x1205_rtc_set_mmss(struct device *dev, unsigned long secs) ++{ ++ int err; ++ ++ struct rtc_time new_tm, old_tm; ++ ++ if ((err = x1205_rtc_read_time(dev, &old_tm) == 0)) ++ return err; ++ ++ /* FIXME xtime.tv_nsec = old_tm.tm_sec * 10000000; */ ++ new_tm.tm_sec = secs % 60; ++ secs /= 60; ++ new_tm.tm_min = secs % 60; ++ secs /= 60; ++ new_tm.tm_hour = secs % 24; ++ ++ /* ++ * avoid writing when we're going to change the day ++ * of the month. We will retry in the next minute. ++ * This basically means that if the RTC must not drift ++ * by more than 1 minute in 11 minutes. ++ */ ++ if ((old_tm.tm_hour == 23 && old_tm.tm_min == 59) || ++ (new_tm.tm_hour == 23 && new_tm.tm_min == 59)) ++ return 1; ++ ++ return x1205_rtc_set_time(dev, &new_tm); ++} ++ ++static int x1205_rtc_proc(struct device *dev, struct seq_file *seq) ++{ ++ int err, dtrim, atrim; ++ ++ seq_printf(seq, "24hr\t\t: yes\n"); ++ ++ err = x1205_get_dtrim(to_i2c_client(dev), &dtrim); ++ if (err == 0) ++ seq_printf(seq, "digital_trim\t: %d ppm\n", dtrim); ++ ++ err = x1205_get_atrim(to_i2c_client(dev), &atrim); ++ if (err == 0) ++ seq_printf(seq, "analog_trim\t: %d.%02d pF\n", ++ atrim / 1000, atrim % 1000); ++ return 0; ++} ++ ++static struct rtc_class_ops x1205_rtc_ops = { ++ .proc = x1205_rtc_proc, ++ .read_time = x1205_rtc_read_time, ++ .set_time = x1205_rtc_set_time, ++ .read_alarm = x1205_rtc_read_alarm, ++ .set_alarm = x1205_rtc_set_alarm, ++ .set_mmss = x1205_rtc_set_mmss, ++}; ++ ++static ssize_t x1205_sysfs_show_atrim(struct device *dev, ++ struct device_attribute *attr, char *buf) ++{ ++ int atrim; ++ ++ if (x1205_get_atrim(to_i2c_client(dev), &atrim) == 0) { ++ return sprintf(buf, "%d.%02d pF\n", ++ atrim / 1000, atrim % 1000); } ++ return 0; ++} ++static DEVICE_ATTR(atrim, S_IRUGO, x1205_sysfs_show_atrim, NULL); ++ ++static ssize_t x1205_sysfs_show_dtrim(struct device *dev, ++ struct device_attribute *attr, char *buf) ++{ ++ int dtrim; ++ ++ if (x1205_get_dtrim(to_i2c_client(dev), &dtrim) == 0) { ++ return sprintf(buf, "%d ppm\n", dtrim); ++ } ++ return 0; ++} ++static DEVICE_ATTR(dtrim, S_IRUGO, x1205_sysfs_show_dtrim, NULL); ++ ++ ++static int x1205_attach(struct i2c_adapter *adapter) ++{ ++ dev_dbg(&adapter->dev, "%s\n", __FUNCTION__); ++ ++ return i2c_probe(adapter, &addr_data, x1205_probe); ++} ++ ++static int x1205_probe(struct i2c_adapter *adapter, int address, int kind) ++{ ++ int err = 0; ++ unsigned char sr; ++ struct i2c_client *client; ++ struct rtc_device *rtc; ++ ++ dev_dbg(&adapter->dev, "%s\n", __FUNCTION__); ++ ++ if (!i2c_check_functionality(adapter, I2C_FUNC_I2C)) { ++ err = -ENODEV; ++ goto exit; ++ } ++ ++ if (!(client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL))) { ++ err = -ENOMEM; ++ goto exit; ++ } ++ ++ /* I2C client */ ++ client->addr = address; ++ client->driver = &x1205_driver; ++ client->adapter = adapter; ++ ++ strlcpy(client->name, x1205_driver.name, I2C_NAME_SIZE); ++ ++ /* Verify the chip is really an X1205 */ ++ if (kind < 0) { ++ if (x1205_validate_client(client) < 0) { ++ err = -ENODEV; ++ goto exit_kfree; ++ } ++ } ++ ++ /* Inform the i2c layer */ ++ if ((err = i2c_attach_client(client))) ++ goto exit_kfree; ++ ++ dev_info(&client->dev, "chip found, driver version " DRV_VERSION "\n"); ++ ++ rtc = rtc_device_register(x1205_driver.name, &client->dev, ++ &x1205_rtc_ops, THIS_MODULE); ++ ++ if (IS_ERR(rtc)) { ++ err = PTR_ERR(rtc); ++ dev_err(&client->dev, ++ "unable to register the class device\n"); ++ goto exit_detach; ++ } ++ ++ i2c_set_clientdata(client, rtc); ++ ++ /* Check for power failures and eventualy enable the osc */ ++ if ((err = x1205_get_status(client, &sr)) == 0) { ++ if (sr & X1205_SR_RTCF) { ++ dev_err(&client->dev, ++ "power failure detected, " ++ "please set the clock\n"); ++ udelay(50); ++ x1205_fix_osc(client); ++ } ++ } ++ else ++ dev_err(&client->dev, "couldn't read status\n"); ++ ++ /* If requested, set the system time */ ++ if (hctosys) { ++ if ((err = x1205_hctosys(client)) < 0) ++ dev_err(&client->dev, ++ "unable to set the system clock\n"); ++ } ++ ++ device_create_file(&client->dev, &dev_attr_atrim); ++ device_create_file(&client->dev, &dev_attr_dtrim); ++ ++ return 0; ++ ++exit_detach: ++ i2c_detach_client(client); ++ ++exit_kfree: ++ kfree(client); ++ ++exit: ++ return err; ++} ++ ++static int x1205_detach(struct i2c_client *client) ++{ ++ int err; ++ struct rtc_device *rtc = i2c_get_clientdata(client); ++ ++ dev_dbg(&client->dev, "%s\n", __FUNCTION__); ++ ++ if (rtc) ++ rtc_device_unregister(rtc); ++ ++ if ((err = i2c_detach_client(client))) ++ return err; ++ ++ kfree(client); ++ ++ return 0; ++} ++ ++static int __init x1205_init(void) ++{ ++ return i2c_add_driver(&x1205_driver); ++} ++ ++static void __exit x1205_exit(void) ++{ ++ i2c_del_driver(&x1205_driver); ++} ++ ++MODULE_AUTHOR( ++ "Karen Spearel <kas11@tampabay.rr.com>, " ++ "Alessandro Zummo <a.zummo@towertech.it>"); ++MODULE_DESCRIPTION("Xicor/Intersil X1205 RTC driver"); ++MODULE_LICENSE("GPL"); ++MODULE_VERSION(DRV_VERSION); ++ ++module_init(x1205_init); ++module_exit(x1205_exit); +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-nslu2/drivers/rtc/rtc-test.c 2006-01-04 01:27:19.000000000 +0100 +@@ -0,0 +1,189 @@ ++/* ++ * An RTC test device/driver ++ * Copyright (C) 2005 Tower Technologies ++ * Author: Alessandro Zummo <a.zummo@towertech.it> ++ * ++ * 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. ++ */ ++ ++#include <linux/module.h> ++#include <linux/err.h> ++#include <linux/rtc.h> ++#include <linux/platform_device.h> ++ ++static int test_rtc_read_alarm(struct device *dev, ++ struct rtc_wkalrm *alrm) ++{ ++ return 0; ++} ++ ++static int test_rtc_set_alarm(struct device *dev, ++ struct rtc_wkalrm *alrm) ++{ ++ return 0; ++} ++ ++static int test_rtc_read_time(struct device *dev, ++ struct rtc_time *tm) ++{ ++ rtc_time_to_tm(get_seconds(), tm); ++ return 0; ++} ++ ++static int test_rtc_set_time(struct device *dev, ++ struct rtc_time *tm) ++{ ++ return 0; ++} ++ ++static int test_rtc_set_mmss(struct device *dev, unsigned long secs) ++{ ++ return 0; ++} ++ ++static int test_rtc_proc(struct device *dev, struct seq_file *seq) ++{ ++ struct platform_device *plat_dev = to_platform_device(dev); ++ ++ seq_printf(seq, "24hr\t\t: yes\n"); ++ seq_printf(seq, "test\t\t: yes\n"); ++ seq_printf(seq, "id\t\t: %d\n", plat_dev->id); ++ ++ return 0; ++} ++ ++static int test_rtc_ioctl(struct device *dev, unsigned int cmd, ++ unsigned long arg) ++{ ++ /* We do support interrupts, they're generated ++ * using the sysfs interface. ++ */ ++ switch (cmd) { ++ case RTC_PIE_ON: ++ case RTC_PIE_OFF: ++ case RTC_UIE_ON: ++ case RTC_UIE_OFF: ++ case RTC_AIE_ON: ++ case RTC_AIE_OFF: ++ return 0; ++ ++ default: ++ return -EINVAL; ++ } ++} ++ ++static struct rtc_class_ops test_rtc_ops = { ++ .proc = test_rtc_proc, ++ .read_time = test_rtc_read_time, ++ .set_time = test_rtc_set_time, ++ .read_alarm = test_rtc_read_alarm, ++ .set_alarm = test_rtc_set_alarm, ++ .set_mmss = test_rtc_set_mmss, ++ .ioctl = test_rtc_ioctl, ++}; ++ ++static ssize_t test_irq_show(struct device *dev, ++ struct device_attribute *attr, char *buf) ++{ ++ return sprintf(buf, "%d\n", 42); ++} ++static ssize_t test_irq_store(struct device *dev, ++ struct device_attribute *attr, ++ const char *buf, size_t count) ++{ ++ int retval; ++ struct platform_device *plat_dev = to_platform_device(dev); ++ struct rtc_device *rtc = platform_get_drvdata(plat_dev); ++ ++ retval = count; ++ if (strncmp(buf, "tick", 4) == 0) ++ rtc_update_irq(&rtc->class_dev, 1, RTC_PF | RTC_IRQF); ++ else if (strncmp(buf, "alarm", 5) == 0) ++ rtc_update_irq(&rtc->class_dev, 1, RTC_AF | RTC_IRQF); ++ else if (strncmp(buf, "update", 6) == 0) ++ rtc_update_irq(&rtc->class_dev, 1, RTC_UF | RTC_IRQF); ++ else ++ retval = -EINVAL; ++ ++ return retval; ++} ++static DEVICE_ATTR(irq, S_IRUGO | S_IWUSR, test_irq_show, test_irq_store); ++ ++static int test_probe(struct platform_device *plat_dev) ++{ ++ int err; ++ struct rtc_device *rtc = rtc_device_register("test", &plat_dev->dev, ++ &test_rtc_ops, THIS_MODULE); ++ if (IS_ERR(rtc)) { ++ err = PTR_ERR(rtc); ++ dev_err(&plat_dev->dev, ++ "unable to register the class device\n"); ++ return err; ++ } ++ device_create_file(&plat_dev->dev, &dev_attr_irq); ++ ++ platform_set_drvdata(plat_dev, rtc); ++ ++ return 0; ++} ++ ++static int test_remove(struct platform_device *plat_dev) ++{ ++ struct rtc_device *rtc = platform_get_drvdata(plat_dev); ++ ++ rtc_device_unregister(rtc); ++ device_remove_file(&plat_dev->dev, &dev_attr_irq); ++ ++ return 0; ++} ++ ++static void test_release(struct device * dev) ++{ ++} ++ ++struct platform_device test_dev_zero = { ++ .name = "rtc-test", ++ .id = 0, ++ .dev.release = test_release, ++}; ++ ++struct platform_device test_dev_one = { ++ .name = "rtc-test", ++ .id = 1, ++ .dev.release = test_release, ++}; ++ ++struct platform_driver test_drv = { ++ .probe = test_probe, ++ .remove = test_remove, ++ .driver = { ++ .name = "rtc-test", ++ .owner = THIS_MODULE, ++ }, ++}; ++ ++static int __init test_init(void) ++{ ++ platform_device_register(&test_dev_zero); ++ platform_device_register(&test_dev_one); ++ platform_driver_register(&test_drv); ++ ++ return 0; ++} ++ ++static void __exit test_exit(void) ++{ ++ platform_driver_unregister(&test_drv); ++ platform_device_unregister(&test_dev_zero); ++ platform_device_unregister(&test_dev_one); ++} ++ ++MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>"); ++MODULE_DESCRIPTION("RTC test driver/device"); ++MODULE_LICENSE("GPL"); ++ ++module_init(test_init); ++module_exit(test_exit); +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-nslu2/drivers/rtc/rtc-ds1672.c 2006-01-04 01:27:21.000000000 +0100 +@@ -0,0 +1,266 @@ ++/* ++ * An rtc/i2c driver for the Dallas DS1672 ++ * Copyright 2005 Alessandro Zummo ++ * ++ * 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. ++ */ ++ ++#include <linux/module.h> ++#include <linux/i2c.h> ++#include <linux/rtc.h> ++ ++#define DRV_VERSION "0.1" ++ ++/* Addresses to scan: none. This chip cannot be detected. */ ++static unsigned short normal_i2c[] = { I2C_CLIENT_END }; ++ ++/* Insmod parameters */ ++I2C_CLIENT_INSMOD; ++I2C_CLIENT_MODULE_PARM(hctosys, ++ "Set the system time from the hardware clock upon initialization"); ++ ++/* Registers */ ++ ++#define DS1672_REG_CNT_BASE 0 ++#define DS1672_REG_CONTROL 4 ++#define DS1672_REG_TRICKLE 5 ++ ++ ++/* Prototypes */ ++static int ds1672_probe(struct i2c_adapter *adapter, int address, int kind); ++ ++/* ++ * In the routines that deal directly with the ds1672 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. ++ */ ++static int ds1672_get_datetime(struct i2c_client *client, struct rtc_time *tm) ++{ ++ unsigned long time; ++ unsigned char buf[4]; ++ ++ dev_dbg(&client->dev, ++ "%s: raw read data - counters=%02x,%02x,%02x,%02x\n" ++ __FUNCTION__, ++ buf[0], buf[1], buf[2], buf[3]); ++ ++ time = (buf[3] << 24) | (buf[2] << 16) | (buf[1] << 8) | buf[0]; ++ ++ rtc_time_to_tm(time, tm); ++ ++ dev_dbg(&client->dev, "%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; ++} ++ ++static int ds1672_set_mmss(struct i2c_client *client, unsigned long secs) ++{ ++ int xfer; ++ unsigned char buf[5]; ++ ++ buf[0] = DS1672_REG_CNT_BASE; ++ buf[1] = secs & 0x000000FF; ++ buf[2] = (secs & 0x0000FF00) >> 8; ++ buf[3] = (secs & 0x00FF0000) >> 16; ++ buf[4] = (secs & 0xFF000000) >> 24; ++ ++ xfer = i2c_master_send(client, buf, 5); ++ if (xfer != 5) { ++ dev_err(&client->dev, "%s: send: %d\n", __FUNCTION__, xfer); ++ return -EIO; ++ } ++ ++ return 0; ++} ++ ++static int ds1672_set_datetime(struct i2c_client *client, struct rtc_time *tm) ++{ ++ unsigned long secs; ++ ++ dev_dbg(&client->dev, ++ "%s: 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); ++ ++ rtc_tm_to_time(tm, &secs); ++ ++ return ds1672_set_mmss(client, secs); ++} ++ ++static int ds1672_hctosys(struct i2c_client *client) ++{ ++ int err; ++ struct rtc_time tm; ++ struct timespec tv; ++ ++ if ((err = ds1672_get_datetime(client, &tm)) != 0) ++ return err; ++ ++ /* IMPORTANT: the RTC only stores whole seconds. It is arbitrary ++ * whether it stores the most close value or the value with partial ++ * seconds truncated. However, it is important that we use it to store ++ * the truncated value. This is because otherwise it is necessary, ++ * in an rtc sync function, to read both xtime.tv_sec and ++ * xtime.tv_nsec. On some processors (i.e. ARM), an atomic read ++ * of >32bits is not possible. So storing the most close value would ++ * slow down the sync API. So here we have the truncated value and ++ * the best guess is to add 0.5s. ++ */ ++ ++ tv.tv_nsec = NSEC_PER_SEC >> 1; ++ ++ rtc_tm_to_time(&tm, &tv.tv_sec); ++ ++ do_settimeofday(&tv); ++ ++ dev_info(&client->dev, ++ "setting the system clock to %d-%02d-%02d %02d:%02d:%02d\n", ++ tm.tm_year + 1900, tm.tm_mon + 1, ++ tm.tm_mday, tm.tm_hour, tm.tm_min, ++ tm.tm_sec); ++ ++ return 0; ++} ++ ++static int ds1672_rtc_read_time(struct device *dev, struct rtc_time *tm) ++{ ++ return ds1672_get_datetime(to_i2c_client(dev), tm); ++} ++ ++static int ds1672_rtc_set_time(struct device *dev, struct rtc_time *tm) ++{ ++ return ds1672_set_datetime(to_i2c_client(dev), tm); ++} ++ ++static int ds1672_rtc_set_mmss(struct device *dev, unsigned long secs) ++{ ++ return ds1672_set_mmss(to_i2c_client(dev), secs); ++} ++ ++static struct rtc_class_ops ds1672_rtc_ops = { ++ .read_time = ds1672_rtc_read_time, ++ .set_time = ds1672_rtc_set_time, ++ .set_mmss = ds1672_rtc_set_mmss, ++}; ++ ++static int ds1672_attach(struct i2c_adapter *adapter) ++{ ++ dev_dbg(&adapter->dev, "%s\n", __FUNCTION__); ++ ++ return i2c_probe(adapter, &addr_data, ds1672_probe); ++} ++ ++static int ds1672_detach(struct i2c_client *client) ++{ ++ int err; ++ struct rtc_device *rtc = i2c_get_clientdata(client); ++ ++ dev_dbg(&client->dev, "%s\n", __FUNCTION__); ++ ++ if (rtc) ++ rtc_device_unregister(rtc); ++ ++ if ((err = i2c_detach_client(client))) ++ return err; ++ ++ kfree(client); ++ ++ return 0; ++} ++ ++static struct i2c_driver ds1672_driver = { ++ .owner = THIS_MODULE, ++ .name = "ds1672", ++ .flags = I2C_DF_NOTIFY, ++ .attach_adapter = &ds1672_attach, ++ .detach_client = &ds1672_detach, ++}; ++ ++static int ds1672_probe(struct i2c_adapter *adapter, int address, int kind) ++{ ++ int err = 0; ++ struct i2c_client *client; ++ struct rtc_device *rtc; ++ ++ dev_dbg(&adapter->dev, "%s\n", __FUNCTION__); ++ ++ if (!i2c_check_functionality(adapter, I2C_FUNC_I2C)) { ++ err = -ENODEV; ++ goto exit; ++ } ++ ++ if (!(client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL))) { ++ err = -ENOMEM; ++ goto exit; ++ } ++ ++ /* I2C client */ ++ client->addr = address; ++ client->driver = &ds1672_driver; ++ client->adapter = adapter; ++ ++ strlcpy(client->name, ds1672_driver.name, I2C_NAME_SIZE); ++ ++ /* Inform the i2c layer */ ++ if ((err = i2c_attach_client(client))) ++ goto exit_kfree; ++ ++ dev_info(&client->dev, "chip found, driver version " DRV_VERSION "\n"); ++ ++ rtc = rtc_device_register(ds1672_driver.name, &client->dev, ++ &ds1672_rtc_ops, THIS_MODULE); ++ ++ if (IS_ERR(rtc)) { ++ err = PTR_ERR(rtc); ++ dev_err(&client->dev, ++ "unable to register the class device\n"); ++ goto exit_detach; ++ } ++ ++ i2c_set_clientdata(client, rtc); ++ ++ /* If requested, set the system time */ ++ if (hctosys) { ++ if ((err = ds1672_hctosys(client)) < 0) ++ dev_err(&client->dev, ++ "unable to set the system clock\n"); ++ } ++ ++ return 0; ++ ++exit_detach: ++ i2c_detach_client(client); ++ ++exit_kfree: ++ kfree(client); ++ ++exit: ++ return err; ++} ++ ++static int __init ds1672_init(void) ++{ ++ return i2c_add_driver(&ds1672_driver); ++} ++ ++static void __exit ds1672_exit(void) ++{ ++ i2c_del_driver(&ds1672_driver); ++} ++ ++MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>"); ++MODULE_DESCRIPTION("Dallas/Maxim DS1672 timekeeper driver"); ++MODULE_LICENSE("GPL"); ++MODULE_VERSION(DRV_VERSION); ++ ++module_init(ds1672_init); ++module_exit(ds1672_exit); diff --git a/packages/linux/nas100d-kernel/2.6.15/50-nas100d-arch.patch b/packages/linux/nas100d-kernel/2.6.15/50-nas100d-arch.patch index eed275fefb..028e50455a 100644 --- a/packages/linux/nas100d-kernel/2.6.15/50-nas100d-arch.patch +++ b/packages/linux/nas100d-kernel/2.6.15/50-nas100d-arch.patch @@ -1,11 +1,5 @@ - arch/arm/mach-ixp4xx/Kconfig | 8 ++++++++ - arch/arm/mach-ixp4xx/Makefile | 1 + - include/asm-arm/arch-ixp4xx/hardware.h | 1 + - include/asm-arm/arch-ixp4xx/irqs.h | 9 +++++++++ - 4 files changed, 19 insertions(+) - ---- linux-nas100d.orig/arch/arm/mach-ixp4xx/Kconfig 2005-11-16 22:29:00.000000000 +0100 -+++ linux-nas100d/arch/arm/mach-ixp4xx/Kconfig 2005-11-16 22:29:52.000000000 +0100 +--- linux-2.6.15-rc7/arch/arm/mach-ixp4xx/Kconfig 2005-12-27 22:29:00.000000000 +0100 ++++ linux-2.6.15-rc7/arch/arm/mach-ixp4xx/Kconfig 2005-12-27 22:29:52.000000000 +0100 @@ -71,6 +71,14 @@ config ARCH_PRPMC1100 PrPCM1100 Processor Mezanine Module. For more information on this platform, see <file:Documentation/arm/IXP4xx>. @@ -21,16 +15,16 @@ # # Avila and IXDP share the same source for now. Will change in future # ---- linux-nas100d.orig/arch/arm/mach-ixp4xx/Makefile 2005-11-16 22:29:00.000000000 +0100 -+++ linux-nas100d/arch/arm/mach-ixp4xx/Makefile 2005-11-16 22:30:37.000000000 +0100 +--- linux-2.6.15-rc7/arch/arm/mach-ixp4xx/Makefile 2005-12-27 22:29:00.000000000 +0100 ++++ linux-2.6.15-rc7/arch/arm/mach-ixp4xx/Makefile 2005-12-27 22:30:37.000000000 +0100 @@ -9,4 +9,5 @@ obj-$(CONFIG_MACH_IXDPG425) += ixdpg425- obj-$(CONFIG_ARCH_ADI_COYOTE) += coyote-pci.o coyote-setup.o obj-$(CONFIG_MACH_GTWX5715) += gtwx5715-pci.o gtwx5715-setup.o obj-$(CONFIG_MACH_NSLU2) += nslu2-pci.o nslu2-setup.o nslu2-power.o +obj-$(CONFIG_MACH_NAS100D) += nas100d-pci.o nas100d-setup.o nas100d-power.o ---- linux-nas100d.orig/include/asm-arm/arch-ixp4xx/hardware.h 2005-11-16 22:29:18.000000000 +0100 -+++ linux-nas100d/include/asm-arm/arch-ixp4xx/hardware.h 2005-11-16 22:31:08.000000000 +0100 +--- linux-2.6.15-rc7/include/asm-arm/arch-ixp4xx/hardware.h 2005-12-27 22:29:18.000000000 +0100 ++++ linux-2.6.15-rc7/include/asm-arm/arch-ixp4xx/hardware.h 2005-12-27 22:31:08.000000000 +0100 @@ -45,5 +45,6 @@ extern unsigned int processor_id; #include "coyote.h" #include "prpmc1100.h" @@ -38,8 +32,8 @@ +#include "nas100d.h" #endif /* _ASM_ARCH_HARDWARE_H */ ---- linux-nas100d.orig/include/asm-arm/arch-ixp4xx/irqs.h 2005-11-16 22:29:18.000000000 +0100 -+++ linux-nas100d/include/asm-arm/arch-ixp4xx/irqs.h 2005-11-16 22:29:52.000000000 +0100 +--- linux-2.6.15-rc7/include/asm-arm/arch-ixp4xx/irqs.h 2005-12-27 22:29:18.000000000 +0100 ++++ linux-2.6.15-rc7/include/asm-arm/arch-ixp4xx/irqs.h 2005-12-27 22:29:52.000000000 +0100 @@ -100,4 +100,13 @@ #define IRQ_NSLU2_PCI_INTB IRQ_IXP4XX_GPIO10 #define IRQ_NSLU2_PCI_INTC IRQ_IXP4XX_GPIO9 @@ -47,10 +41,376 @@ +/* + * NAS100D board IRQs + */ -+#define IRQ_NAS100D_PCI_INTA IRQ_IXP4XX_GPIO11 -+#define IRQ_NAS100D_PCI_INTB IRQ_IXP4XX_GPIO10 -+#define IRQ_NAS100D_PCI_INTC IRQ_IXP4XX_GPIO9 -+#define IRQ_NAS100D_PCI_INTD IRQ_IXP4XX_GPIO8 -+#define IRQ_NAS100D_PCI_INTE IRQ_IXP4XX_GPIO7 ++#define IRQ_NAS100D_PCI_INTA IRQ_IXP4XX_GPIO11 ++#define IRQ_NAS100D_PCI_INTB IRQ_IXP4XX_GPIO10 ++#define IRQ_NAS100D_PCI_INTC IRQ_IXP4XX_GPIO9 ++#define IRQ_NAS100D_PCI_INTD IRQ_IXP4XX_GPIO8 ++#define IRQ_NAS100D_PCI_INTE IRQ_IXP4XX_GPIO7 + #endif +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.15-rc7/include/asm-arm/arch-ixp4xx/nas100d.h 2005-11-12 14:24:14.000000000 +0100 +@@ -0,0 +1,75 @@ ++/* ++ * include/asm-arm/arch-ixp4xx/nas100d.h ++ * ++ * NAS100D platform specific definitions ++ * ++ * Copyright (c) 2005 Tower Technologies ++ * ++ * Author: Alessandro Zummo <a.zummo@towertech.it> ++ * ++ * based on ixdp425.h: ++ * Copyright 2004 (c) MontaVista, Software, Inc. ++ * ++ * This file is licensed under the terms of the GNU General Public ++ * License version 2. This program is licensed "as is" without any ++ * warranty of any kind, whether express or implied. ++ */ ++ ++#ifndef __ASM_ARCH_HARDWARE_H__ ++#error "Do not include this directly, instead #include <asm/hardware.h>" ++#endif ++ ++#define NAS100D_FLASH_BASE IXP4XX_EXP_BUS_CS0_BASE_PHYS ++#define NAS100D_FLASH_SIZE IXP4XX_EXP_BUS_CSX_REGION_SIZE ++ ++#define NAS100D_SDA_PIN 6 ++#define NAS100D_SCL_PIN 5 ++ ++/* ++ * NAS100D PCI IRQs ++ */ ++#define NAS100D_PCI_MAX_DEV 3 ++#define NAS100D_PCI_IRQ_LINES 3 ++ ++ ++/* PCI controller GPIO to IRQ pin mappings */ ++#define NAS100D_PCI_INTA_PIN 11 ++#define NAS100D_PCI_INTB_PIN 10 ++#define NAS100D_PCI_INTC_PIN 9 ++#define NAS100D_PCI_INTD_PIN 8 ++#define NAS100D_PCI_INTE_PIN 7 ++ ++/* GPIO */ ++ ++#define NAS100D_GPIO0 0 ++#define NAS100D_GPIO1 1 ++#define NAS100D_GPIO2 2 ++#define NAS100D_GPIO3 3 ++#define NAS100D_GPIO4 4 ++#define NAS100D_GPIO5 5 ++#define NAS100D_GPIO6 6 ++#define NAS100D_GPIO7 7 ++#define NAS100D_GPIO8 8 ++#define NAS100D_GPIO9 9 ++#define NAS100D_GPIO10 10 ++#define NAS100D_GPIO11 11 ++#define NAS100D_GPIO12 12 ++#define NAS100D_GPIO13 13 ++#define NAS100D_GPIO14 14 ++#define NAS100D_GPIO15 15 ++ ++ ++/* Buttons */ ++ ++#define NAS100D_PB_GPIO NAS100D_GPIO14 ++#define NAS100D_RB_GPIO NAS100D_GPIO4 ++#define NAS100D_PO_GPIO NAS100D_GPIO12 /* power off */ ++ ++#define NAS100D_PB_IRQ IRQ_IXP4XX_GPIO14 ++#define NAS100D_RB_IRQ IRQ_IXP4XX_GPIO4 ++ ++/* ++#define NAS100D_PB_BM (1L << NAS100D_PB_GPIO) ++#define NAS100D_PO_BM (1L << NAS100D_PO_GPIO) ++#define NAS100D_RB_BM (1L << NAS100D_RB_GPIO) ++*/ +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.15-rc7/arch/arm/mach-ixp4xx/nas100d-pci.c 2005-11-12 14:24:14.000000000 +0100 +@@ -0,0 +1,77 @@ ++/* ++ * arch/arm/mach-ixp4xx/nas100d-pci.c ++ * ++ * NAS 100d board-level PCI initialization ++ * ++ * based on ixdp425-pci.c: ++ * Copyright (C) 2002 Intel Corporation. ++ * Copyright (C) 2003-2004 MontaVista Software, Inc. ++ * ++ * Maintainer: http://www.nslu2-linux.org/ ++ * ++ * 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 <linux/config.h> ++#include <linux/pci.h> ++#include <linux/init.h> ++ ++#include <asm/mach/pci.h> ++#include <asm/mach-types.h> ++ ++void __init nas100d_pci_preinit(void) ++{ ++ set_irq_type(IRQ_NAS100D_PCI_INTA, IRQT_LOW); ++ set_irq_type(IRQ_NAS100D_PCI_INTB, IRQT_LOW); ++ set_irq_type(IRQ_NAS100D_PCI_INTC, IRQT_LOW); ++ set_irq_type(IRQ_NAS100D_PCI_INTD, IRQT_LOW); ++ set_irq_type(IRQ_NAS100D_PCI_INTE, IRQT_LOW); ++ ++ gpio_line_isr_clear(NAS100D_PCI_INTA_PIN); ++ gpio_line_isr_clear(NAS100D_PCI_INTB_PIN); ++ gpio_line_isr_clear(NAS100D_PCI_INTC_PIN); ++ gpio_line_isr_clear(NAS100D_PCI_INTD_PIN); ++ gpio_line_isr_clear(NAS100D_PCI_INTE_PIN); ++ ++ ixp4xx_pci_preinit(); ++} ++ ++static int __init nas100d_map_irq(struct pci_dev *dev, u8 slot, u8 pin) ++{ ++ static int pci_irq_table[NAS100D_PCI_MAX_DEV][NAS100D_PCI_IRQ_LINES] = ++ { ++ { IRQ_NAS100D_PCI_INTA, -1, -1 }, ++ { IRQ_NAS100D_PCI_INTB, -1, -1 }, ++ { IRQ_NAS100D_PCI_INTC, IRQ_NAS100D_PCI_INTD, IRQ_NAS100D_PCI_INTE }, ++ }; ++ ++ int irq = -1; ++ ++ if (slot >= 1 && slot <= NAS100D_PCI_MAX_DEV && ++ pin >= 1 && pin <= NAS100D_PCI_IRQ_LINES) ++ irq = pci_irq_table[slot-1][pin-1]; ++ ++ return irq; ++} ++ ++struct hw_pci __initdata nas100d_pci = { ++ .nr_controllers = 1, ++ .preinit = nas100d_pci_preinit, ++ .swizzle = pci_std_swizzle, ++ .setup = ixp4xx_setup, ++ .scan = ixp4xx_scan_bus, ++ .map_irq = nas100d_map_irq, ++}; ++ ++int __init nas100d_pci_init(void) ++{ ++ if (machine_is_nas100d()) ++ pci_common_init(&nas100d_pci); ++ ++ return 0; ++} ++ ++subsys_initcall(nas100d_pci_init); +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.15-rc7/arch/arm/mach-ixp4xx/nas100d-power.c 2005-11-12 14:24:14.000000000 +0100 +@@ -0,0 +1,69 @@ ++/* ++ * arch/arm/mach-ixp4xx/nas100d-power.c ++ * ++ * NAS 100d Power/Reset driver ++ * ++ * Copyright (C) 2005 Tower Technologies ++ * ++ * based on nas100d-io.c ++ * Copyright (C) 2004 Karen Spearel ++ * ++ * Author: Alessandro Zummo <a.zummo@towertech.it> ++ * Maintainers: http://www.nslu2-linux.org/ ++ * ++ * 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 <linux/module.h> ++#include <linux/reboot.h> ++#include <linux/interrupt.h> ++ ++#include <asm/mach-types.h> ++ ++extern void ctrl_alt_del(void); ++ ++static irqreturn_t nas100d_reset_handler(int irq, void *dev_id, struct pt_regs *regs) ++{ ++ /* Signal init to do the ctrlaltdel action, this will bypass init if ++ * it hasn't started and do a kernel_restart. ++ */ ++ ctrl_alt_del(); ++ ++ return IRQ_HANDLED; ++} ++ ++static int __init nas100d_power_init(void) ++{ ++ if (!(machine_is_nas100d())) ++ return 0; ++ ++ set_irq_type(NAS100D_RB_IRQ, IRQT_LOW); ++ ++ gpio_line_isr_clear(NAS100D_RB_GPIO); ++ ++ if (request_irq(NAS100D_RB_IRQ, &nas100d_reset_handler, ++ SA_INTERRUPT, "NAS100D reset button", NULL) < 0) { ++ ++ printk(KERN_DEBUG "Reset Button IRQ %d not available\n", ++ NAS100D_RB_IRQ); ++ ++ return -EIO; ++ } ++ ++ return 0; ++} ++ ++static void __exit nas100d_power_exit(void) ++{ ++ free_irq(NAS100D_RB_IRQ, NULL); ++} ++ ++module_init(nas100d_power_init); ++module_exit(nas100d_power_exit); ++ ++MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>"); ++MODULE_DESCRIPTION("NAS100D Power/Reset driver"); ++MODULE_LICENSE("GPL"); +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.15-rc7/arch/arm/mach-ixp4xx/nas100d-setup.c 2005-11-12 14:24:14.000000000 +0100 +@@ -0,0 +1,133 @@ ++/* ++ * arch/arm/mach-ixp4xx/nas100d-setup.c ++ * ++ * NAS 100d board-setup ++ * ++ * based ixdp425-setup.c: ++ * Copyright (C) 2003-2004 MontaVista Software, Inc. ++ * ++ * Author: Alessandro Zummo <a.zummo@towertech.it> ++ * Author: Rod Whitby <rod@whitby.id.au> ++ * Maintainers: http://www.nslu2-linux.org/ ++ * ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/serial.h> ++#include <linux/serial_8250.h> ++ ++#include <asm/mach-types.h> ++#include <asm/mach/arch.h> ++#include <asm/mach/flash.h> ++ ++static struct flash_platform_data nas100d_flash_data = { ++ .map_name = "cfi_probe", ++ .width = 2, ++}; ++ ++static struct resource nas100d_flash_resource = { ++ .start = NAS100D_FLASH_BASE, ++ .end = NAS100D_FLASH_BASE + NAS100D_FLASH_SIZE, ++ .flags = IORESOURCE_MEM, ++}; ++ ++static struct platform_device nas100d_flash = { ++ .name = "IXP4XX-Flash", ++ .id = 0, ++ .dev.platform_data = &nas100d_flash_data, ++ .num_resources = 1, ++ .resource = &nas100d_flash_resource, ++}; ++ ++static struct ixp4xx_i2c_pins nas100d_i2c_gpio_pins = { ++ .sda_pin = NAS100D_SDA_PIN, ++ .scl_pin = NAS100D_SCL_PIN, ++}; ++ ++static struct platform_device nas100d_i2c_controller = { ++ .name = "IXP4XX-I2C", ++ .id = 0, ++ .dev.platform_data = &nas100d_i2c_gpio_pins, ++ .num_resources = 0, ++}; ++ ++static struct resource nas100d_uart_resources[] = { ++ { ++ .start = IXP4XX_UART1_BASE_PHYS, ++ .end = IXP4XX_UART1_BASE_PHYS + 0x0fff, ++ .flags = IORESOURCE_MEM, ++ }, ++ { ++ .start = IXP4XX_UART2_BASE_PHYS, ++ .end = IXP4XX_UART2_BASE_PHYS + 0x0fff, ++ .flags = IORESOURCE_MEM, ++ } ++}; ++ ++static struct plat_serial8250_port nas100d_uart_data[] = { ++ { ++ .mapbase = IXP4XX_UART1_BASE_PHYS, ++ .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET, ++ .irq = IRQ_IXP4XX_UART1, ++ .flags = UPF_BOOT_AUTOCONF, ++ .iotype = UPIO_MEM, ++ .regshift = 2, ++ .uartclk = IXP4XX_UART_XTAL, ++ }, ++ { ++ .mapbase = IXP4XX_UART2_BASE_PHYS, ++ .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET, ++ .irq = IRQ_IXP4XX_UART2, ++ .flags = UPF_BOOT_AUTOCONF, ++ .iotype = UPIO_MEM, ++ .regshift = 2, ++ .uartclk = IXP4XX_UART_XTAL, ++ }, ++ { } ++}; ++ ++static struct platform_device nas100d_uart = { ++ .name = "serial8250", ++ .id = PLAT8250_DEV_PLATFORM, ++ .dev.platform_data = nas100d_uart_data, ++ .num_resources = 2, ++ .resource = nas100d_uart_resources, ++}; ++ ++static struct platform_device *nas100d_devices[] __initdata = { ++ &nas100d_i2c_controller, ++ &nas100d_flash, ++ &nas100d_uart, ++}; ++ ++static void nas100d_power_off(void) ++{ ++ /* This causes the box to drop the power and go dead. */ ++ ++ /* enable the pwr cntl gpio */ ++ gpio_line_config(NAS100D_PO_GPIO, IXP4XX_GPIO_OUT); ++ ++ /* do the deed */ ++ gpio_line_set(NAS100D_PO_GPIO, IXP4XX_GPIO_HIGH); ++} ++ ++static void __init nas100d_init(void) ++{ ++ ixp4xx_sys_init(); ++ ++ pm_power_off = nas100d_power_off; ++ ++ platform_add_devices(nas100d_devices, ARRAY_SIZE(nas100d_devices)); ++} ++ ++MACHINE_START(NAS100D, "Iomega NAS 100d") ++ /* Maintainer: www.nslu2-linux.org */ ++ .phys_ram = PHYS_OFFSET, ++ .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS, ++ .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xFFFC, ++ .boot_params = 0x00000100, ++ .map_io = ixp4xx_map_io, ++ .init_irq = ixp4xx_init_irq, ++ .timer = &ixp4xx_timer, ++ .init_machine = nas100d_init, ++MACHINE_END diff --git a/packages/linux/nas100d-kernel/2.6.15/55-nas100d-arch.patch b/packages/linux/nas100d-kernel/2.6.15/55-nas100d-arch.patch deleted file mode 100644 index 4b40047a92..0000000000 --- a/packages/linux/nas100d-kernel/2.6.15/55-nas100d-arch.patch +++ /dev/null @@ -1,395 +0,0 @@ - arch/arm/mach-ixp4xx/nas100d-pci.c | 77 +++++++++++++++++++ - arch/arm/mach-ixp4xx/nas100d-power.c | 92 +++++++++++++++++++++++ - arch/arm/mach-ixp4xx/nas100d-setup.c | 132 ++++++++++++++++++++++++++++++++++ - drivers/ide/pci/aec62xx.c | 11 ++ - include/asm-arm/arch-ixp4xx/nas100d.h | 75 +++++++++++++++++++ - 5 files changed, 387 insertions(+) - ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-2.6.14/include/asm-arm/arch-ixp4xx/nas100d.h 2005-11-12 14:24:14.000000000 +0100 -@@ -0,0 +1,75 @@ -+/* -+ * include/asm-arm/arch-ixp4xx/nas100d.h -+ * -+ * NAS100D platform specific definitions -+ * -+ * Copyright (c) 2005 Tower Technologies -+ * -+ * Author: Alessandro Zummo <a.zummo@towertech.it> -+ * -+ * based on ixdp425.h: -+ * Copyright 2004 (c) MontaVista, Software, Inc. -+ * -+ * This file is licensed under the terms of the GNU General Public -+ * License version 2. This program is licensed "as is" without any -+ * warranty of any kind, whether express or implied. -+ */ -+ -+#ifndef __ASM_ARCH_HARDWARE_H__ -+#error "Do not include this directly, instead #include <asm/hardware.h>" -+#endif -+ -+#define NAS100D_FLASH_BASE IXP4XX_EXP_BUS_CS0_BASE_PHYS -+#define NAS100D_FLASH_SIZE IXP4XX_EXP_BUS_CSX_REGION_SIZE -+ -+#define NAS100D_SDA_PIN 6 -+#define NAS100D_SCL_PIN 5 -+ -+/* -+ * NAS100D PCI IRQs -+ */ -+#define NAS100D_PCI_MAX_DEV 3 -+#define NAS100D_PCI_IRQ_LINES 3 -+ -+ -+/* PCI controller GPIO to IRQ pin mappings */ -+#define NAS100D_PCI_INTA_PIN 11 -+#define NAS100D_PCI_INTB_PIN 10 -+#define NAS100D_PCI_INTC_PIN 9 -+#define NAS100D_PCI_INTD_PIN 8 -+#define NAS100D_PCI_INTE_PIN 7 -+ -+/* GPIO */ -+ -+#define NAS100D_GPIO0 0 -+#define NAS100D_GPIO1 1 -+#define NAS100D_GPIO2 2 -+#define NAS100D_GPIO3 3 -+#define NAS100D_GPIO4 4 -+#define NAS100D_GPIO5 5 -+#define NAS100D_GPIO6 6 -+#define NAS100D_GPIO7 7 -+#define NAS100D_GPIO8 8 -+#define NAS100D_GPIO9 9 -+#define NAS100D_GPIO10 10 -+#define NAS100D_GPIO11 11 -+#define NAS100D_GPIO12 12 -+#define NAS100D_GPIO13 13 -+#define NAS100D_GPIO14 14 -+#define NAS100D_GPIO15 15 -+ -+ -+/* Buttons */ -+ -+#define NAS100D_PB_GPIO NAS100D_GPIO14 -+#define NAS100D_RB_GPIO NAS100D_GPIO4 -+#define NAS100D_PO_GPIO NAS100D_GPIO12 /* power off */ -+ -+#define NAS100D_PB_IRQ IRQ_IXP4XX_GPIO14 -+#define NAS100D_RB_IRQ IRQ_IXP4XX_GPIO4 -+ -+/* -+#define NAS100D_PB_BM (1L << NAS100D_PB_GPIO) -+#define NAS100D_PO_BM (1L << NAS100D_PO_GPIO) -+#define NAS100D_RB_BM (1L << NAS100D_RB_GPIO) -+*/ ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-2.6.14/arch/arm/mach-ixp4xx/nas100d-pci.c 2005-11-12 14:24:14.000000000 +0100 -@@ -0,0 +1,77 @@ -+/* -+ * arch/arm/mach-ixp4xx/nas100d-pci.c -+ * -+ * NAS 100d board-level PCI initialization -+ * -+ * based on ixdp425-pci.c: -+ * Copyright (C) 2002 Intel Corporation. -+ * Copyright (C) 2003-2004 MontaVista Software, Inc. -+ * -+ * Maintainer: http://www.nslu2-linux.org/ -+ * -+ * 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 <linux/config.h> -+#include <linux/pci.h> -+#include <linux/init.h> -+ -+#include <asm/mach/pci.h> -+#include <asm/mach-types.h> -+ -+void __init nas100d_pci_preinit(void) -+{ -+ set_irq_type(IRQ_NAS100D_PCI_INTA, IRQT_LOW); -+ set_irq_type(IRQ_NAS100D_PCI_INTB, IRQT_LOW); -+ set_irq_type(IRQ_NAS100D_PCI_INTC, IRQT_LOW); -+ set_irq_type(IRQ_NAS100D_PCI_INTD, IRQT_LOW); -+ set_irq_type(IRQ_NAS100D_PCI_INTE, IRQT_LOW); -+ -+ gpio_line_isr_clear(NAS100D_PCI_INTA_PIN); -+ gpio_line_isr_clear(NAS100D_PCI_INTB_PIN); -+ gpio_line_isr_clear(NAS100D_PCI_INTC_PIN); -+ gpio_line_isr_clear(NAS100D_PCI_INTD_PIN); -+ gpio_line_isr_clear(NAS100D_PCI_INTE_PIN); -+ -+ ixp4xx_pci_preinit(); -+} -+ -+static int __init nas100d_map_irq(struct pci_dev *dev, u8 slot, u8 pin) -+{ -+ static int pci_irq_table[NAS100D_PCI_MAX_DEV][NAS100D_PCI_IRQ_LINES] = -+ { -+ { IRQ_NAS100D_PCI_INTA, -1, -1 }, -+ { IRQ_NAS100D_PCI_INTB, -1, -1 }, -+ { IRQ_NAS100D_PCI_INTC, IRQ_NAS100D_PCI_INTD, IRQ_NAS100D_PCI_INTE }, -+ }; -+ -+ int irq = -1; -+ -+ if (slot >= 1 && slot <= NAS100D_PCI_MAX_DEV && -+ pin >= 1 && pin <= NAS100D_PCI_IRQ_LINES) -+ irq = pci_irq_table[slot-1][pin-1]; -+ -+ return irq; -+} -+ -+struct hw_pci __initdata nas100d_pci = { -+ .nr_controllers = 1, -+ .preinit = nas100d_pci_preinit, -+ .swizzle = pci_std_swizzle, -+ .setup = ixp4xx_setup, -+ .scan = ixp4xx_scan_bus, -+ .map_irq = nas100d_map_irq, -+}; -+ -+int __init nas100d_pci_init(void) -+{ -+ if (machine_is_nas100d()) -+ pci_common_init(&nas100d_pci); -+ -+ return 0; -+} -+ -+subsys_initcall(nas100d_pci_init); ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-2.6.14/arch/arm/mach-ixp4xx/nas100d-power.c 2005-11-12 14:24:14.000000000 +0100 -@@ -0,0 +1,92 @@ -+/* -+ * arch/arm/mach-ixp4xx/nas100d-power.c -+ * -+ * NAS 100d Power/Reset driver -+ * -+ * Copyright (C) 2005 Tower Technologies -+ * -+ * based on nas100d-io.c -+ * Copyright (C) 2004 Karen Spearel -+ * -+ * Author: Alessandro Zummo <a.zummo@towertech.it> -+ * Maintainers: http://www.nslu2-linux.org/ -+ * -+ * 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 <linux/module.h> -+#include <linux/reboot.h> -+#include <linux/interrupt.h> -+ -+#include <asm/mach-types.h> -+ -+extern void ctrl_alt_del(void); -+ -+static irqreturn_t nas100d_power_handler(int irq, void *dev_id, struct pt_regs *regs) -+{ -+ /* Signal init to do the ctrlaltdel action, this will bypass init if -+ * it hasn't started and do a kernel_restart. -+ */ -+ ctrl_alt_del(); -+ -+ return IRQ_HANDLED; -+} -+ -+static irqreturn_t nas100d_reset_handler(int irq, void *dev_id, struct pt_regs *regs) -+{ -+ /* This is the paper-clip reset, it shuts the machine down directly. -+ */ -+ machine_power_off(); -+ -+ return IRQ_HANDLED; -+} -+ -+static int __init nas100d_power_init(void) -+{ -+ if (!(machine_is_nas100d())) -+ return 0; -+ -+ // *IXP4XX_GPIO_GPISR = 0x20400000; /* read the 2 irqs to clr */ -+ -+ set_irq_type(NAS100D_RB_IRQ, IRQT_LOW); -+// set_irq_type(NAS100D_PB_IRQ, IRQT_HIGH); -+ -+ gpio_line_isr_clear(NAS100D_RB_GPIO); -+// gpio_line_isr_clear(NAS100D_PB_GPIO); -+ -+ if (request_irq(NAS100D_RB_IRQ, &nas100d_reset_handler, -+ SA_INTERRUPT, "NAS100D reset button", NULL) < 0) { -+ -+ printk(KERN_DEBUG "Reset Button IRQ %d not available\n", -+ NAS100D_RB_IRQ); -+ -+ return -EIO; -+ } -+/* -+ if (request_irq(NAS100D_PB_IRQ, &nas100d_power_handler, -+ SA_INTERRUPT, "NAS100D power button", NULL) < 0) { -+ -+ printk(KERN_DEBUG "Power Button IRQ %d not available\n", -+ NAS100D_PB_IRQ); -+ -+ return -EIO; -+ } -+*/ -+ return 0; -+} -+ -+static void __exit nas100d_power_exit(void) -+{ -+ free_irq(NAS100D_RB_IRQ, NULL); -+// free_irq(NAS100D_PB_IRQ, NULL); -+} -+ -+module_init(nas100d_power_init); -+module_exit(nas100d_power_exit); -+ -+MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>"); -+MODULE_DESCRIPTION("NAS100D Power/Reset driver"); -+MODULE_LICENSE("GPL"); ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-2.6.14/arch/arm/mach-ixp4xx/nas100d-setup.c 2005-11-12 14:24:14.000000000 +0100 -@@ -0,0 +1,132 @@ -+/* -+ * arch/arm/mach-ixp4xx/nas100d-setup.c -+ * -+ * NAS 100d board-setup -+ * -+ * based ixdp425-setup.c: -+ * Copyright (C) 2003-2004 MontaVista Software, Inc. -+ * -+ * Author: Mark Rakes <mrakes at mac.com> -+ * Maintainers: http://www.nslu2-linux.org/ -+ * -+ */ -+ -+#include <linux/kernel.h> -+#include <linux/serial.h> -+#include <linux/serial_8250.h> -+ -+#include <asm/mach-types.h> -+#include <asm/mach/arch.h> -+#include <asm/mach/flash.h> -+ -+static struct flash_platform_data nas100d_flash_data = { -+ .map_name = "cfi_probe", -+ .width = 2, -+}; -+ -+static struct resource nas100d_flash_resource = { -+ .start = NAS100D_FLASH_BASE, -+ .end = NAS100D_FLASH_BASE + NAS100D_FLASH_SIZE, -+ .flags = IORESOURCE_MEM, -+}; -+ -+static struct platform_device nas100d_flash = { -+ .name = "IXP4XX-Flash", -+ .id = 0, -+ .dev.platform_data = &nas100d_flash_data, -+ .num_resources = 1, -+ .resource = &nas100d_flash_resource, -+}; -+ -+static struct ixp4xx_i2c_pins nas100d_i2c_gpio_pins = { -+ .sda_pin = NAS100D_SDA_PIN, -+ .scl_pin = NAS100D_SCL_PIN, -+}; -+ -+static struct platform_device nas100d_i2c_controller = { -+ .name = "IXP4XX-I2C", -+ .id = 0, -+ .dev.platform_data = &nas100d_i2c_gpio_pins, -+ .num_resources = 0, -+}; -+ -+static struct resource nas100d_uart_resources[] = { -+ { -+ .start = IXP4XX_UART1_BASE_PHYS, -+ .end = IXP4XX_UART1_BASE_PHYS + 0x0fff, -+ .flags = IORESOURCE_MEM, -+ }, -+ { -+ .start = IXP4XX_UART2_BASE_PHYS, -+ .end = IXP4XX_UART2_BASE_PHYS + 0x0fff, -+ .flags = IORESOURCE_MEM, -+ } -+}; -+ -+static struct plat_serial8250_port nas100d_uart_data[] = { -+ { -+ .mapbase = IXP4XX_UART1_BASE_PHYS, -+ .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET, -+ .irq = IRQ_IXP4XX_UART1, -+ .flags = UPF_BOOT_AUTOCONF, -+ .iotype = UPIO_MEM, -+ .regshift = 2, -+ .uartclk = IXP4XX_UART_XTAL, -+ }, -+ { -+ .mapbase = IXP4XX_UART2_BASE_PHYS, -+ .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET, -+ .irq = IRQ_IXP4XX_UART2, -+ .flags = UPF_BOOT_AUTOCONF, -+ .iotype = UPIO_MEM, -+ .regshift = 2, -+ .uartclk = IXP4XX_UART_XTAL, -+ }, -+ { } -+}; -+ -+static struct platform_device nas100d_uart = { -+ .name = "serial8250", -+ .id = PLAT8250_DEV_PLATFORM, -+ .dev.platform_data = nas100d_uart_data, -+ .num_resources = 2, -+ .resource = nas100d_uart_resources, -+}; -+ -+static struct platform_device *nas100d_devices[] __initdata = { -+ &nas100d_i2c_controller, -+ &nas100d_flash, -+ &nas100d_uart, -+}; -+ -+static void nas100d_power_off(void) -+{ -+ /* This causes the box to drop the power and go dead. */ -+ -+ /* enable the pwr cntl gpio */ -+ gpio_line_config(NAS100D_PO_GPIO, IXP4XX_GPIO_OUT); -+ -+ /* do the deed */ -+ gpio_line_set(NAS100D_PO_GPIO, IXP4XX_GPIO_HIGH); -+} -+ -+static void __init nas100d_init(void) -+{ -+ ixp4xx_sys_init(); -+ -+ pm_power_off = nas100d_power_off; -+ -+ platform_add_devices(nas100d_devices, ARRAY_SIZE(nas100d_devices)); -+} -+ -+MACHINE_START(NAS100D, "Iomega NAS 100d") -+ /* Maintainer: www.nslu2-linux.org */ -+ .phys_ram = PHYS_OFFSET, -+ .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS, -+ .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xFFFC, -+ .boot_params = 0x00000100, -+ .map_io = ixp4xx_map_io, -+ .init_irq = ixp4xx_init_irq, -+ .timer = &ixp4xx_timer, -+ .init_machine = nas100d_init, -+MACHINE_END diff --git a/packages/linux/nas100d-kernel/2.6.15/85-timer.patch b/packages/linux/nas100d-kernel/2.6.15/85-timer.patch new file mode 100644 index 0000000000..e83120ca75 --- /dev/null +++ b/packages/linux/nas100d-kernel/2.6.15/85-timer.patch @@ -0,0 +1,246 @@ +--- linux-2.6.15/arch/arm/mach-ixp4xx/common.c 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.15/arch/arm/mach-ixp4xx/common.c 1970-01-01 00:00:00.000000000 +0000 +@@ -239,36 +239,165 @@ void __init ixp4xx_init_irq(void) + * IXP4xx timer tick + * We use OS timer1 on the CPU for the timer tick and the timestamp + * counter as a source of real clock ticks to account for missed jiffies. ++ * ++ * 'CLOCK_TICK_RATE' is the nominal number of internal ticks per second, ++ * this is significantly greater than the actual number on any ixp4xx ++ * board. Neither this nor 'LATCH' are required by this code because ++ * the only requirement is to generate HZ timer_tick calls per second. + *************************************************************************/ ++#if TICK_NSEC * HZ != 1000000000 ++ /* This will cause the jiffies to drift unnecessarily. */ ++# error CLOCK_TICK_RATE should be a multiple of HZ for this code ++#endif ++ ++/* These are the control registers for the interrupt handler, they must ++ * only be read and written by the interrupt handler and by the init ++ * method (which sets them to 0). ++ */ ++static volatile u32 last_timer_time; ++static volatile int accumulated_error; ++ ++/* Most ixp4xx boards have 66.6666MHz crystals, so default to this, reset ++ * this from the board level code if required. The following variables ++ * must be *written* only by set_board_tick_rate ++ */ ++static u32 board_tick_rate; ++static u32 board_tick_per_1000; /* board_tick_rate/1000 */ ++static u32 timer_count; ++ ++/* The following symbol may be written to change the current tick rate, ++ * it is read by the interrupt handler and used to reload the timer. ++ * The 'real' value (the one in use) is 'board_tick_rate' above. ++ * NOTE: this can be tweaked to match the actual crystal on a particular ++ * machine. ++ */ ++volatile u32 ixp4xx_board_tick_rate = 66666600; ++EXPORT_SYMBOL(ixp4xx_board_tick_rate); ++ ++/* The set API may run asynchronously in the presence of interrupts, ++ * everything it does it is both atomic and complete (notice that it ++ * doesn't change any of the 'volatile' values). The mathematics in ++ * here require the following values. Changing the board tick rate ++ * implies an unknown error in the current timestamp tick count. ++ */ ++#if IXP4XX_OST_RELOAD_MASK != 3 || IXP4XX_OST_ENABLE != 1 ++# error unexpected value for timer reload mask ++#endif ++static void set_board_tick_rate(u32 rate) { ++ u32 reload; ++ ++ /* Store the two effectively informational rate values, the ++ * error calculation is (rate - count*HZ) (above), and rate ++ * is changed first, this can cause a temporary error which ++ * will be corrected on the next interrupt. ++ */ ++ board_tick_rate = rate; ++ board_tick_per_1000 = (rate+500)/1000; ++ ++ /* Calculate the correct value to load into the timer countdown ++ * register, the low two bits must be b01 (to enable the timer). ++ * Select the top bits to be as close to the desired value as ++ * possible. ++ * ++ * First find the best value, regardless of the low two bits - ++ * this is the value used in the interrupt calculation even though ++ * it cannot necessarily be set into the register. ++ */ ++ timer_count = (rate + (HZ/2))/HZ; ++ ++ /* Now the timer_ticks are being generated at this rate, calculate ++ * an appropriate value for the register. This stores a 30 bit ++ * value which gives a period of 4*x+1, we want: ++ * ++ * 4*x+1 = board_tick_rate/HZ ++ * ++ * This needs to be rounded to the closest 4*HZ value: ++ * ++ * x = ((board_tick_rate-HZ) + (4*HZ)/2) / 4*HZ ++ * x = (board_tick_rate+HZ) / (4*HZ); ++ */ ++ reload = (board_tick_rate + HZ) / HZ; ++ reload = (reload & ~IXP4XX_OST_RELOAD_MASK) | IXP4XX_OST_ENABLE; ++ *IXP4XX_OSRT1 = reload; + +-static unsigned volatile last_jiffy_time; ++ /* If the clock is drifing, look in syslog: */ ++ printk(KERN_INFO "IXP4xx: FREQ=%d COUNT=%d\n", rate, reload); ++} + +-#define CLOCK_TICKS_PER_USEC ((CLOCK_TICK_RATE + USEC_PER_SEC/2) / USEC_PER_SEC) ++/* This returns the time in timer ticks since the 'last_timer_time' ++ * recorded above. Use this to avoid arithmetic errors because of ++ * the overflow when the timer wraps. ++ */ ++static inline u32 ixp4xx_timer_delta(void) ++{ ++ return *IXP4XX_OSTS - last_timer_time; ++} + + /* IRQs are disabled before entering here from do_gettimeofday() */ + static unsigned long ixp4xx_gettimeoffset(void) + { +- u32 elapsed; +- +- elapsed = *IXP4XX_OSTS - last_jiffy_time; ++ /* Return the offset of the current time from the last time ++ * timer tick in microseconds. This is only used for the ++ * gettimeofday call. ++ * ++ * The result of this API is at most about 20000 (for a 50Hz ++ * HZ - 20000 uS/tick), the input delta is at most about ++ * 1.3M - 21 bits. ++ */ ++ u32 delta = ixp4xx_timer_delta(); /* About 21 bits max */ ++ /* return delta * 1000000 / board_tick_rate; */ ++ return (delta * 1000 + board_tick_per_1000/2) / board_tick_per_1000; ++} + +- return elapsed / CLOCK_TICKS_PER_USEC; ++/* This is the correct adjustment to the counter to compensate for an ++ * error iff timer_count-1 <= exact_count <= timer_count+1 ++ */ ++static inline int adjustment(int error) { ++ if (error >= HZ) ++ return 1; ++ else if (error <= -HZ) ++ return -1; ++ return 0; + } + + static irqreturn_t ixp4xx_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs) + { ++ u32 rate; ++ u32 count; ++ int error; ++ + write_seqlock(&xtime_lock); + + /* Clear Pending Interrupt by writing '1' to it */ + *IXP4XX_OSST = IXP4XX_OSST_TIMER_1_PEND; + ++ /* If the board tick rate has been changed update the cached ++ * value. ++ */ ++ if (ixp4xx_board_tick_rate != board_tick_rate) { ++ set_board_tick_rate(ixp4xx_board_tick_rate); ++ accumulated_error = 0; ++ } ++ + /* + * Catch up with the real idea of time ++ * ++ * board_tick_rate: actual ixp4xx ticks/second, read-only ++ * accumulated_error: aggregate error/tick * HZ, read/write ++ * timer_count: best ixp4xx ticks per timer_tick, read-only + */ +- while ((*IXP4XX_OSTS - last_jiffy_time) > LATCH) { ++ rate = board_tick_rate; ++ error = accumulated_error; ++ count = timer_count; ++ do { ++ u32 adjusted_count = count + adjustment(error); ++ if (ixp4xx_timer_delta() < adjusted_count) ++ break; + timer_tick(regs); +- last_jiffy_time += LATCH; +- } ++ last_timer_time += adjusted_count; ++ error += rate - adjusted_count*HZ; ++ } while (1); ++ accumulated_error = error; + + write_sequnlock(&xtime_lock); + +@@ -281,17 +410,30 @@ static struct irqaction ixp4xx_timer_irq + .handler = ixp4xx_timer_interrupt, + }; + ++u32 ixp4xx_get_board_tick_rate(void) { ++ return board_tick_rate; ++} ++ ++EXPORT_SYMBOL(ixp4xx_get_board_tick_rate); ++ ++void ixp4xx_set_board_tick_rate(u32 rate) { ++ ixp4xx_board_tick_rate = rate; ++} ++ ++EXPORT_SYMBOL(ixp4xx_set_board_tick_rate); ++ + static void __init ixp4xx_timer_init(void) + { + /* Clear Pending Interrupt by writing '1' to it */ + *IXP4XX_OSST = IXP4XX_OSST_TIMER_1_PEND; + + /* Setup the Timer counter value */ +- *IXP4XX_OSRT1 = (LATCH & ~IXP4XX_OST_RELOAD_MASK) | IXP4XX_OST_ENABLE; ++ set_board_tick_rate(ixp4xx_board_tick_rate); + + /* Reset time-stamp counter */ + *IXP4XX_OSTS = 0; +- last_jiffy_time = 0; ++ last_timer_time = 0; ++ accumulated_error = 0; + + /* Connect the interrupt handler and enable the interrupt */ + setup_irq(IRQ_IXP4XX_TIMER1, &ixp4xx_timer_irq); +@@ -337,4 +479,3 @@ void __init ixp4xx_sys_init(void) + ARRAY_SIZE(ixp46x_devices)); + } + } +- +--- linux-2.6.15/include/asm-arm/arch-ixp4xx/timex.h 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.15/include/asm-arm/arch-ixp4xx/timex.h 1970-01-01 00:00:00.000000000 +0000 +@@ -6,10 +6,23 @@ + #include <asm/hardware.h> + + /* +- * We use IXP425 General purpose timer for our timer needs, it runs at +- * 66.66... MHz. We do a convulted calculation of CLOCK_TICK_RATE b/c the +- * timer register ignores the bottom 2 bits of the LATCH value. ++ * In linux/timex.h 'LATCH' is defined as CLOCK_TICK_RATE/HZ and ++ * is the number of internal counts per timer interrupt. Thus ++ * CLOCK_TICK_RATE is LATCH*HZ. ++ * ++ * The actual values of these numbers do not matter, because they ++ * are only used to calculate ACTHZ (rate/latch as a 24.8 fixed ++ * point number), so the value here gives a LATCH of 1 and pretty ++ * much guarantees to flush out any off-by-one errors. ++ * ++ * ACTHZ is equal to HZ, because CLOCK_TICK_RATE is a multiple of ++ * HZ, this is checked in the ixp4xx/common.c code. + */ +-#define FREQ 66666666 +-#define CLOCK_TICK_RATE (((FREQ / HZ & ~IXP4XX_OST_RELOAD_MASK) + 1) * HZ) ++#define CLOCK_TICK_RATE HZ + ++/* The following allow the exact board tick rate to be set and ++ * discovered. The value should be exactly twice the frequency ++ * (in Hz) of the onboard crystal. ++ */ ++extern u32 ixp4xx_get_board_tick_rate(void); ++extern void ixp4xx_set_board_tick_rate(u32 new_rate); diff --git a/packages/linux/nas100d-kernel/2.6.15/90-ixp4xx-nslu2.patch b/packages/linux/nas100d-kernel/2.6.15/90-ixp4xx-nslu2.patch deleted file mode 100644 index c106f7c957..0000000000 --- a/packages/linux/nas100d-kernel/2.6.15/90-ixp4xx-nslu2.patch +++ /dev/null @@ -1,132 +0,0 @@ -ixp4xx updates: - - Handle reads that don't start on a half-word boundary. - - Make it work when CPU is in little-endian mode. - -Signed-off-by: John Bowler <jbowler@acm.org> -Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> -Signed-off-by: David Vrabel <dvrabel@arcom.com> - -Index: linux-2.6-working/drivers/mtd/maps/ixp4xx.c -=================================================================== ---- linux-2.6-working.orig/drivers/mtd/maps/ixp4xx.c 2005-11-16 15:19:34.000000000 +0000 -+++ linux-2.6-working/drivers/mtd/maps/ixp4xx.c 2005-11-16 16:06:54.000000000 +0000 -@@ -34,10 +34,55 @@ - - #include <linux/reboot.h> - -+/* -+ * Read/write a 16 bit word from flash address 'addr'. -+ * -+ * When the cpu is in little-endian mode it swizzles the address lines -+ * ('address coherency') so we need to undo the swizzling to ensure commands -+ * and the like end up on the correct flash address. -+ * -+ * To further complicate matters, due to the way the expansion bus controller -+ * handles 32 bit reads, the byte stream ABCD is stored on the flash as: -+ * D15 D0 -+ * +---+---+ -+ * | A | B | 0 -+ * +---+---+ -+ * | C | D | 2 -+ * +---+---+ -+ * This means that on LE systems each 16 bit word must be swapped. Note that -+ * this requires CONFIG_MTD_CFI_BE_BYTE_SWAP to be enabled to 'unswap' the CFI -+ * data and other flash commands which are always in D7-D0. -+ */ - #ifndef __ARMEB__ -+#ifndef CONFIG_MTD_CFI_BE_BYTE_SWAP -+# error CONFIG_MTD_CFI_BE_BYTE_SWAP required -+#endif -+ -+static inline u16 flash_read16(void __iomem *addr) -+{ -+ return be16_to_cpu(__raw_readw((void __iomem *)((unsigned long)addr ^ 0x2))); -+} -+ -+static inline void flash_write16(u16 d, void __iomem *addr) -+{ -+ __raw_writew(cpu_to_be16(d), (void __iomem *)((unsigned long)addr ^ 0x2)); -+} -+ - #define BYTE0(h) ((h) & 0xFF) - #define BYTE1(h) (((h) >> 8) & 0xFF) -+ - #else -+ -+static inline u16 flash_read16(const void __iomem *addr) -+{ -+ return __raw_readw(addr); -+} -+ -+static inline void flash_write16(u16 d, void __iomem *addr) -+{ -+ __raw_writew(d, addr); -+} -+ - #define BYTE0(h) (((h) >> 8) & 0xFF) - #define BYTE1(h) ((h) & 0xFF) - #endif -@@ -45,7 +90,7 @@ - static map_word ixp4xx_read16(struct map_info *map, unsigned long ofs) - { - map_word val; -- val.x[0] = le16_to_cpu(readw(map->virt + ofs)); -+ val.x[0] = flash_read16(map->virt + ofs); - return val; - } - -@@ -57,19 +102,28 @@ - static void ixp4xx_copy_from(struct map_info *map, void *to, - unsigned long from, ssize_t len) - { -- int i; - u8 *dest = (u8 *) to; - void __iomem *src = map->virt + from; -- u16 data; - -- for (i = 0; i < (len / 2); i++) { -- data = le16_to_cpu(readw(src + 2*i)); -- dest[i * 2] = BYTE0(data); -- dest[i * 2 + 1] = BYTE1(data); -+ if (len <= 0) -+ return; -+ -+ if (from & 1) { -+ *dest++ = BYTE1(flash_read16(src)); -+ src++; -+ --len; - } - -- if (len & 1) -- dest[len - 1] = BYTE0(le16_to_cpu(readw(src + 2*i))); -+ while (len >= 2) { -+ u16 data = flash_read16(src); -+ *dest++ = BYTE0(data); -+ *dest++ = BYTE1(data); -+ src += 2; -+ len -= 2; -+ } -+ -+ if (len > 0) -+ *dest++ = BYTE0(flash_read16(src)); - } - - /* -@@ -79,7 +133,7 @@ - static void ixp4xx_probe_write16(struct map_info *map, map_word d, unsigned long adr) - { - if (!(adr & 1)) -- writew(cpu_to_le16(d.x[0]), map->virt + adr); -+ flash_write16(d.x[0], map->virt + adr); - } - - /* -@@ -87,7 +141,7 @@ - */ - static void ixp4xx_write16(struct map_info *map, map_word d, unsigned long adr) - { -- writew(cpu_to_le16(d.x[0]), map->virt + adr); -+ flash_write16(d.x[0], map->virt + adr); - } - - struct ixp4xx_flash_info { diff --git a/packages/linux/nas100d-kernel/2.6.15/91-maclist.patch b/packages/linux/nas100d-kernel/2.6.15/91-maclist.patch new file mode 100644 index 0000000000..27af1ea639 --- /dev/null +++ b/packages/linux/nas100d-kernel/2.6.15/91-maclist.patch @@ -0,0 +1,377 @@ +--- linux-2.6.15/include/net/maclist.h 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.15/include/net/maclist.h 1970-01-01 00:00:00.000000000 +0000 +@@ -0,0 +1,23 @@ ++#ifndef _MACLIST_H ++#define _MACLIST_H 1 ++/* ++ * Interfaces to the MAC repository ++ */ ++/* ++ * Add a single entry, returns 0 on success else an error ++ * code. Must *not* be called from an interrupt handler. ++ */ ++extern int maclist_add(const u8 id_to_add[6]); ++ ++/* ++ * Return the current entry count (valid in any context). ++ */ ++extern int maclist_count(void); ++ ++/* ++ * Return the ID from the n'th entry (valid in any context), ++ * returns 0 on success, -EINVAL if 'n' is out of range. ++ */ ++extern int maclist_read(u8 (*buffer_for_id)[6], int index_of_id_to_return); ++ ++#endif /*_MACLIST_H*/ +--- linux-2.6.15/drivers/net/maclist.c 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.15/drivers/net/maclist.c 1970-01-01 00:00:00.000000000 +0000 +@@ -0,0 +1,314 @@ ++/* ++ * drivers/net/maclist.c ++ * ++ * a simple driver to remember ethernet MAC values ++ * ++ * Some Ethernet hardware implementations have no built-in ++ * storage for allocated MAC values - an example is the Intel ++ * IXP420 chip which has support for Ethernet but no defined ++ * way of storing allocated MAC values. With such hardware ++ * different board level implementations store the allocated ++ * MAC (or MACs) in different ways. Rather than put board ++ * level code into a specific Ethernet driver this driver ++ * provides a generally accessible repository for the MACs ++ * which can be written by board level code and read by the ++ * driver. ++ * ++ * The implementation also allows user level programs to ++ * access the MAC information in /proc/net/maclist. This is ++ * useful as it allows user space code to use the MAC if it ++ * is not used by a built-in driver. ++ * ++ * Copyright (C) 2005 John Bowler ++ * Author: John Bowler <jbowler@acm.org> ++ * Maintainers: http://www.nslu2-linux.org/ ++ * ++ * 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. ++ * ++ * External interfaces: ++ * Interfaces to linux kernel (and modules) ++ * maclist_add: add a single MAC ++ * maclist_count: total number of MACs stored ++ * maclist_read: read a MAC 0..(maclist_count-1) ++ */ ++#include <linux/module.h> ++#include <linux/moduleparam.h> ++#include <linux/etherdevice.h> ++#include <linux/proc_fs.h> ++#include <linux/errno.h> ++ ++#include <net/maclist.h> ++ ++#define MACLIST_NAME "maclist" ++ ++MODULE_AUTHOR("John Bowler <jbowler@acm.org>"); ++MODULE_DESCRIPTION("MAC list repository"); ++MODULE_LICENSE("GPL"); ++ ++typedef struct maclist_entry { ++ struct maclist_entry *next; /* Linked list, first first */ ++ u8 id[6]; /* 6 byte Ethernet MAC */ ++} maclist_entry_t; ++ ++/* Access to this list is possible at any time - entries in ++ * the list are never destroyed. Modification of the list is ++ * safe only from the init code (i.e. modification must be ++ * single threaded), but read from an interrupt at the same ++ * time is possible and safe. ++ */ ++static maclist_entry_t *maclist_list = 0; ++ ++/* ++ * External interfaces. ++ * ++ * Add a single entry, returns 0 on success else an error ++ * code. Must be single threaded. ++ */ ++int maclist_add(const u8 new_id[6]) { ++ maclist_entry_t *new_entry, **tail; ++ ++ if (new_id == 0 || !is_valid_ether_addr(new_id)) { ++ printk(KERN_ERR MACLIST_NAME ": invalid ethernet address\n"); ++ return -EINVAL; ++ } ++ new_entry = kmalloc(sizeof *new_entry, GFP_KERNEL); ++ if (new_entry == 0) ++ return -ENOMEM; ++ new_entry->next = 0; ++ memcpy(new_entry->id, new_id, sizeof new_entry->id); ++ ++ tail = &maclist_list; ++ while (*tail != 0) ++ tail = &(*tail)->next; ++ *tail = new_entry; ++ return 0; ++} ++EXPORT_SYMBOL(maclist_add); ++ ++/* ++ * Return the current entry count (valid in any context). ++ */ ++int maclist_count(void) { ++ maclist_entry_t *tail = maclist_list; ++ int count = 0; ++ ++ while (tail != 0) { ++ tail = tail->next; ++ ++count; ++ } ++ ++ return count; ++} ++EXPORT_SYMBOL(maclist_count); ++ ++/* ++ * Return the ID from the n'th entry (valid in any context), ++ * returns 0 on success, -EINVAL if 'n' is out of range. ++ */ ++int maclist_read(u8 (*id)[6], int n) { ++ maclist_entry_t *entry = maclist_list; ++ ++ while (n > 0 && entry != 0) { ++ --n; ++ entry = entry->next; ++ } ++ ++ if (n == 0 && entry != 0) { ++ memcpy(id, entry->id, sizeof *id); ++ return 0; ++ } ++ ++ printk(KERN_ERR MACLIST_NAME ": id does not exist\n"); ++ return -EINVAL; ++} ++EXPORT_SYMBOL(maclist_read); ++ ++/* ++ * Parameter parsing. The option string is a list of MAC ++ * addresses, comma separated. (The parsing really should ++ * be somewhere central...) ++ */ ++static int __init maclist_setup(char *param) { ++ int bytes = 0, seen_a_digit = 0; ++ u8 id[6]; ++ ++ memset(id, 0, sizeof id); ++ ++ if (param) do { ++ int digit = -1; ++ switch (*param) { ++ case '0': digit = 0; break; ++ case '1': digit = 1; break; ++ case '2': digit = 2; break; ++ case '3': digit = 3; break; ++ case '4': digit = 4; break; ++ case '5': digit = 5; break; ++ case '6': digit = 6; break; ++ case '7': digit = 7; break; ++ case '8': digit = 8; break; ++ case '9': digit = 9; break; ++ case 'a': case 'A': digit = 10; break; ++ case 'b': case 'B': digit = 11; break; ++ case 'c': case 'C': digit = 12; break; ++ case 'd': case 'D': digit = 13; break; ++ case 'e': case 'E': digit = 14; break; ++ case 'f': case 'F': digit = 15; break; ++ case ':': ++ if (seen_a_digit) ++ bytes = (bytes+1) & ~1; ++ else ++ bytes += 2; /* i.e. ff::ff is ff:00:ff */ ++ seen_a_digit = 0; ++ break; ++ case 0: ++ if (bytes == 0) /* nothing new seen so far */ ++ return 0; ++ /*fall through*/ ++ case ',': case ';': ++ if (bytes > 0) ++ bytes = 12; /* i.e. all trailing bytes 0 */ ++ break; ++ default: ++ printk(KERN_ERR MACLIST_NAME ": invalid character <%c[%d]>\n", ++ *param, *param); ++ return -EINVAL; ++ } ++ ++ if (digit >= 0) { ++ id[bytes>>1] = (id[bytes>>1] << 4) + digit; break; ++ ++bytes; ++ seen_a_digit = 1; ++ } ++ ++ if (bytes >= 12) { ++ int rc = maclist_add(id); ++ if (rc) ++ return rc; ++ bytes = 0; ++ seen_a_digit = 0; ++ memset(id, 0, sizeof id); ++ if (*param == 0) ++ return 0; ++ } ++ ++param; ++ } while (1); ++ ++ return 0; ++} ++ ++/* ++ * procfs support, if compiled in. ++ */ ++#ifdef CONFIG_PROC_FS ++/* ++ * Character device read ++ */ ++static int maclist_getchar(off_t n) { ++ static char xdigit[16] = "0123456789abcdef"; ++ maclist_entry_t *head = maclist_list; ++ int b; ++ ++ do { ++ if (head == 0) ++ return -1; ++ if (n < 18) ++ break; ++ head = head->next; ++ n -= 18; ++ } while (1); ++ ++ if (n == 17) ++ return '\n'; ++ ++ b = n/3; ++ switch (n - b*3) { ++ case 0: return xdigit[head->id[b] >> 4]; ++ case 1: return xdigit[head->id[b] & 0xf]; ++ default: return ':'; ++ } ++} ++ ++/* ++ * The extensively undocumented proc_read_t callback is implemented here. ++ * Go look in fs/proc/generic.c: ++ * ++ * Prototype: ++ * int f(char *buffer, char **start, off_t offset, ++ * int count, int *peof, void *dat) ++ * ++ * Assume that the buffer is "count" bytes in size. ++ * ++ * 2) Set *start = an address within the buffer. ++ * Put the data of the requested offset at *start. ++ * Return the number of bytes of data placed there. ++ * If this number is greater than zero and you ++ * didn't signal eof and the reader is prepared to ++ * take more data you will be called again with the ++ * requested offset advanced by the number of bytes ++ * absorbed. ++ */ ++static int maclist_proc_read(char *buffer, char **start, off_t offset, ++ int count, int *peof, void *dat) { ++ int total; ++ ++ *start = buffer; ++ total = 0; ++ ++ while (total < count) { ++ int ch = maclist_getchar(offset++); ++ if (ch == -1) { ++ *peof = 1; ++ break; ++ } ++ *buffer++ = ch; ++ ++total; ++ } ++ ++ return total; ++} ++#endif ++ ++/* ++ * Finally, the init/exit functions. ++ */ ++static void __exit maclist_exit(void) ++{ ++ maclist_entry_t *list; ++ ++ remove_proc_entry(MACLIST_NAME, proc_net); ++ ++ list = maclist_list; ++ maclist_list = 0; ++ ++ while (list != 0) { ++ maclist_entry_t *head = list; ++ list = head->next; ++ kfree(head); ++ } ++} ++ ++#ifdef MODULE ++static char ids[256]; ++module_param_string(ids, ids, sizeof ids, 0); ++MODULE_PARM_DESC(ids, "comma separated list of MAC ids\n"); ++#else ++__setup("maclist_ids=", maclist_setup); ++#endif ++ ++static int __init maclist_init(void) ++{ ++# ifdef MODULE ++ if (ids[0]) ++ maclist_setup(ids); ++# endif ++ ++ /* Ignore failure, the module will still work. */ ++ (void)create_proc_read_entry(MACLIST_NAME, S_IRUGO, proc_net, maclist_proc_read, NULL); ++ ++ return 0; ++} ++ ++module_init(maclist_init); ++module_exit(maclist_exit); +--- linux-2.6.15/drivers/net/Makefile 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.15/drivers/net/Makefile 1970-01-01 00:00:00.000000000 +0000 +@@ -70,6 +70,7 @@ obj-$(CONFIG_RIONET) += rionet.o + # end link order section + # + ++obj-$(CONFIG_MACLIST) += maclist.o + obj-$(CONFIG_MII) += mii.o + obj-$(CONFIG_PHYLIB) += phy/ + +--- linux-2.6.15/drivers/net/Kconfig 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.15/drivers/net/Kconfig 1970-01-01 00:00:00.000000000 +0000 +@@ -166,6 +166,21 @@ config NET_ETHERNET + kernel: saying N will just cause the configurator to skip all + the questions about Ethernet network cards. If unsure, say N. + ++config MACLIST ++ tristate "Ethernet MAC repository" ++ depends on NET_ETHERNET ++ help ++ Some ethernet controllers have no built-in way of obtaining an ++ appropriate Ethernet MAC address. Such controllers have to be ++ initialised in a board-specific way, depending on how the allocated ++ MAC is stored. The MAC repository provides a set of APIs and a ++ proc entry (/proc/net/maclist) to store MAC values from the board ++ so that such drivers can obtain a MAC address without board-specific ++ code. You do not need to enable this device - it will be selected ++ automatically by any device which requires it. It is only useful ++ to enable it manually when building a device driver independently ++ of the kernel build. ++ + config MII + tristate "Generic Media Independent Interface device support" + depends on NET_ETHERNET diff --git a/packages/linux/nas100d-kernel/2.6.15/92-nas100d-maclist.patch b/packages/linux/nas100d-kernel/2.6.15/92-nas100d-maclist.patch new file mode 100644 index 0000000000..3143850b22 --- /dev/null +++ b/packages/linux/nas100d-kernel/2.6.15/92-nas100d-maclist.patch @@ -0,0 +1,72 @@ +--- linux-2.6.15/arch/arm/mach-ixp4xx/Kconfig 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.15/arch/arm/mach-ixp4xx/Kconfig 1970-01-01 00:00:00.000000000 +0000 +@@ -74,6 +74,7 @@ comment "IXP4xx Platforms" + config MACH_NAS100D + bool + prompt "NAS100D" ++ select MACLIST + help + Say 'Y' here if you want your kernel to support Iomega's + NAS 100d device. For more information on this platform, +--- linux-2.6.15/arch/arm/mach-ixp4xx/nas100d-setup.c 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.15/arch/arm/mach-ixp4xx/nas100d-setup.c 1970-01-01 00:00:00.000000000 +0000 +@@ -14,11 +14,14 @@ + #include <linux/kernel.h> + #include <linux/serial.h> + #include <linux/serial_8250.h> ++#include <linux/mtd/mtd.h> + + #include <asm/mach-types.h> + #include <asm/mach/arch.h> + #include <asm/mach/flash.h> + ++#include <net/maclist.h> ++ + static struct flash_platform_data nas100d_flash_data = { + .map_name = "cfi_probe", + .width = 2, +@@ -110,8 +113,44 @@ + gpio_line_set(NAS100D_PO_GPIO, IXP4XX_GPIO_HIGH); + } + ++/* ++ * When the RedBoot config partition is added the MAC address is read from ++ * it. ++ */ ++void flash_add(struct mtd_info *mtd) { ++ if (strcmp(mtd->name, "RedBoot config") == 0) { ++ size_t retlen; ++ u_char mac[6]; ++ ++ /* The MAC is at a known offset... */ ++ if (mtd->read(mtd, 0x0FD8, 6, &retlen, mac) == 0 && retlen == 6) { ++ printk(KERN_INFO "NAS100D MAC: %.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n", ++ mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); ++ maclist_add(mac); ++ } else { ++ printk(KERN_ERR "NAS100D MAC: read failed\n"); ++ } ++ } ++} ++ ++/* ++ * Nothing to do on remove at present. ++ */ ++void flash_remove(struct mtd_info *mtd) { ++} ++ ++struct mtd_notifier flash_notifier = { ++ .add = flash_add, ++ .remove = flash_remove, ++}; ++ + static void __init nas100d_init(void) + { ++ /* The flash has an ethernet MAC embedded in it which we need, ++ * that is all this notifier does. ++ */ ++ register_mtd_user(&flash_notifier); ++ + ixp4xx_sys_init(); + + pm_power_off = nas100d_power_off; diff --git a/packages/linux/nas100d-kernel/2.6.15/anonymiser.patch b/packages/linux/nas100d-kernel/2.6.15/anonymiser.patch new file mode 100644 index 0000000000..3384b15fe2 --- /dev/null +++ b/packages/linux/nas100d-kernel/2.6.15/anonymiser.patch @@ -0,0 +1,22 @@ +--- linux-2.6.11.2/scripts/mkcompile_h.orig 2005-05-07 05:27:02.440000000 +0000 ++++ linux-2.6.11.2/scripts/mkcompile_h 2005-05-07 05:28:30.360000000 +0000 +@@ -43,16 +43,9 @@ + echo \#define UTS_VERSION \"`echo $UTS_VERSION | $UTS_TRUNCATE`\" + + echo \#define LINUX_COMPILE_TIME \"`LC_ALL=C LANG=C date +%T`\" +- echo \#define LINUX_COMPILE_BY \"`whoami`\" +- echo \#define LINUX_COMPILE_HOST \"`hostname | $UTS_TRUNCATE`\" +- +- if [ -x /bin/dnsdomainname ]; then +- echo \#define LINUX_COMPILE_DOMAIN \"`dnsdomainname | $UTS_TRUNCATE`\" +- elif [ -x /bin/domainname ]; then +- echo \#define LINUX_COMPILE_DOMAIN \"`domainname | $UTS_TRUNCATE`\" +- else +- echo \#define LINUX_COMPILE_DOMAIN +- fi ++ echo \#define LINUX_COMPILE_BY \"openslug\" ++ echo \#define LINUX_COMPILE_HOST \"openslug.org\" ++ echo \#define LINUX_COMPILE_DOMAIN \"openslug.org\" + + echo \#define LINUX_COMPILER \"`$CC -v 2>&1 | tail -n 1`\" + ) > .tmpcompile diff --git a/packages/linux/nas100d-kernel/2.6.15/nas100d-pci.c b/packages/linux/nas100d-kernel/2.6.15/nas100d-pci.c deleted file mode 100644 index 1f934068e9..0000000000 --- a/packages/linux/nas100d-kernel/2.6.15/nas100d-pci.c +++ /dev/null @@ -1,87 +0,0 @@ -/* - * arch/arm/mach-ixp4xx/nas100d-pci.c - * - * NAS 100d board-level PCI initialization - * - * based on ixdp425-pci.c: - * Copyright (C) 2002 Intel Corporation. - * Copyright (C) 2003-2004 MontaVista Software, Inc. - * - * Maintainer: http://www.nslu2-linux.org/ - * - * 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 <linux/config.h> -#include <linux/pci.h> -#include <linux/init.h> - -#include <asm/mach/pci.h> -#include <asm/mach-types.h> - -void __init nas100d_pci_preinit(void) -{ - set_irq_type(IRQ_NAS100D_PCI_INTA, IRQT_LOW); - set_irq_type(IRQ_NAS100D_PCI_INTB, IRQT_LOW); - set_irq_type(IRQ_NAS100D_PCI_INTC, IRQT_LOW); - set_irq_type(IRQ_NAS100D_PCI_INTD, IRQT_LOW); - set_irq_type(IRQ_NAS100D_PCI_INTE, IRQT_LOW); - - gpio_line_isr_clear(NAS100D_PCI_INTA_PIN); - gpio_line_isr_clear(NAS100D_PCI_INTB_PIN); - gpio_line_isr_clear(NAS100D_PCI_INTC_PIN); - gpio_line_isr_clear(NAS100D_PCI_INTD_PIN); - gpio_line_isr_clear(NAS100D_PCI_INTE_PIN); - - ixp4xx_pci_preinit(); -} - -static int __init nas100d_map_irq(struct pci_dev *dev, u8 slot, u8 pin) -{ - if (slot < 1 || slot > 3 || pin < 1 || pin > 3) - return -1; - - switch (slot) - { - case 1: - if (pin == 1) - return IRQ_NAS100D_PCI_INTA; - break; - case 2: - if (pin == 1) - return IRQ_NAS100D_PCI_INTB; - break; - case 3: - if (pin == 1) - return IRQ_NAS100D_PCI_INTC; - if (pin == 2) - return IRQ_NAS100D_PCI_INTD; - if (pin == 3) - return IRQ_NAS100D_PCI_INTE; - break; - } - - return -1; -} - -struct hw_pci __initdata nas100d_pci = { - .nr_controllers = 1, - .preinit = nas100d_pci_preinit, - .swizzle = pci_std_swizzle, - .setup = ixp4xx_setup, - .scan = ixp4xx_scan_bus, - .map_irq = nas100d_map_irq, -}; - -int __init nas100d_pci_init(void) -{ - if (machine_is_nas100d()) - pci_common_init(&nas100d_pci); - - return 0; -} - -subsys_initcall(nas100d_pci_init); diff --git a/packages/linux/nas100d-kernel/2.6.15/nas100d-power.c b/packages/linux/nas100d-kernel/2.6.15/nas100d-power.c deleted file mode 100644 index 94ce5d1b46..0000000000 --- a/packages/linux/nas100d-kernel/2.6.15/nas100d-power.c +++ /dev/null @@ -1,92 +0,0 @@ -/* - * arch/arm/mach-ixp4xx/nas100d-power.c - * - * NAS 100d Power/Reset driver - * - * Copyright (C) 2005 Tower Technologies - * - * based on nas100d-io.c - * Copyright (C) 2004 Karen Spearel - * - * Author: Alessandro Zummo <a.zummo@towertech.it> - * Maintainers: http://www.nslu2-linux.org/ - * - * 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 <linux/module.h> -#include <linux/reboot.h> -#include <linux/interrupt.h> - -#include <asm/mach-types.h> - -extern void ctrl_alt_del(void); - -static irqreturn_t nas100d_power_handler(int irq, void *dev_id, struct pt_regs *regs) -{ - /* Signal init to do the ctrlaltdel action, this will bypass init if - * it hasn't started and do a kernel_restart. - */ - ctrl_alt_del(); - - return IRQ_HANDLED; -} - -static irqreturn_t nas100d_reset_handler(int irq, void *dev_id, struct pt_regs *regs) -{ - /* This is the paper-clip reset, it shuts the machine down directly. - */ - machine_power_off(); - - return IRQ_HANDLED; -} - -static int __init nas100d_power_init(void) -{ - if (!(machine_is_nas100d())) - return 0; - - // *IXP4XX_GPIO_GPISR = 0x20400000; /* read the 2 irqs to clr */ - - set_irq_type(NAS100D_RB_IRQ, IRQT_LOW); -// set_irq_type(NAS100D_PB_IRQ, IRQT_HIGH); - - gpio_line_isr_clear(NAS100D_RB_GPIO); -// gpio_line_isr_clear(NAS100D_PB_GPIO); - - if (request_irq(NAS100D_RB_IRQ, &nas100d_reset_handler, - SA_INTERRUPT, "NAS100D reset button", NULL) < 0) { - - printk(KERN_DEBUG "Reset Button IRQ %d not available\n", - NAS100D_RB_IRQ); - - return -EIO; - } -/* - if (request_irq(NAS100D_PB_IRQ, &nas100d_power_handler, - SA_INTERRUPT, "NAS100D power button", NULL) < 0) { - - printk(KERN_DEBUG "Power Button IRQ %d not available\n", - NAS100D_PB_IRQ); - - return -EIO; - } -*/ - return 0; -} - -static void __exit nas100d_power_exit(void) -{ - free_irq(NAS100D_RB_IRQ, NULL); -// free_irq(NAS100D_PB_IRQ, NULL); -} - -module_init(nas100d_power_init); -module_exit(nas100d_power_exit); - -MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>"); -MODULE_DESCRIPTION("NAS100D Power/Reset driver"); -MODULE_LICENSE("GPL"); diff --git a/packages/linux/nas100d-kernel/2.6.15/nas100d-setup.c b/packages/linux/nas100d-kernel/2.6.15/nas100d-setup.c deleted file mode 100644 index 0dbb0b4e69..0000000000 --- a/packages/linux/nas100d-kernel/2.6.15/nas100d-setup.c +++ /dev/null @@ -1,132 +0,0 @@ -/* - * arch/arm/mach-ixp4xx/nas100d-setup.c - * - * NAS 100d board-setup - * - * based ixdp425-setup.c: - * Copyright (C) 2003-2004 MontaVista Software, Inc. - * - * Author: Mark Rakes <mrakes at mac.com> - * Maintainers: http://www.nslu2-linux.org/ - * - */ - -#include <linux/kernel.h> -#include <linux/serial.h> -#include <linux/serial_8250.h> - -#include <asm/mach-types.h> -#include <asm/mach/arch.h> -#include <asm/mach/flash.h> - -static struct flash_platform_data nas100d_flash_data = { - .map_name = "cfi_probe", - .width = 2, -}; - -static struct resource nas100d_flash_resource = { - .start = NAS100D_FLASH_BASE, - .end = NAS100D_FLASH_BASE + NAS100D_FLASH_SIZE, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device nas100d_flash = { - .name = "IXP4XX-Flash", - .id = 0, - .dev.platform_data = &nas100d_flash_data, - .num_resources = 1, - .resource = &nas100d_flash_resource, -}; - -static struct ixp4xx_i2c_pins nas100d_i2c_gpio_pins = { - .sda_pin = NAS100D_SDA_PIN, - .scl_pin = NAS100D_SCL_PIN, -}; - -static struct platform_device nas100d_i2c_controller = { - .name = "IXP4XX-I2C", - .id = 0, - .dev.platform_data = &nas100d_i2c_gpio_pins, - .num_resources = 0, -}; - -static struct resource nas100d_uart_resources[] = { - { - .start = IXP4XX_UART1_BASE_PHYS, - .end = IXP4XX_UART1_BASE_PHYS + 0x0fff, - .flags = IORESOURCE_MEM, - }, - { - .start = IXP4XX_UART2_BASE_PHYS, - .end = IXP4XX_UART2_BASE_PHYS + 0x0fff, - .flags = IORESOURCE_MEM, - } -}; - -static struct plat_serial8250_port nas100d_uart_data[] = { - { - .mapbase = IXP4XX_UART1_BASE_PHYS, - .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET, - .irq = IRQ_IXP4XX_UART1, - .flags = UPF_BOOT_AUTOCONF, - .iotype = UPIO_MEM, - .regshift = 2, - .uartclk = IXP4XX_UART_XTAL, - }, - { - .mapbase = IXP4XX_UART2_BASE_PHYS, - .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET, - .irq = IRQ_IXP4XX_UART2, - .flags = UPF_BOOT_AUTOCONF, - .iotype = UPIO_MEM, - .regshift = 2, - .uartclk = IXP4XX_UART_XTAL, - }, - { } -}; - -static struct platform_device nas100d_uart = { - .name = "serial8250", - .id = PLAT8250_DEV_PLATFORM, - .dev.platform_data = nas100d_uart_data, - .num_resources = 2, - .resource = nas100d_uart_resources, -}; - -static struct platform_device *nas100d_devices[] __initdata = { - &nas100d_i2c_controller, - &nas100d_flash, - &nas100d_uart, -}; - -static void nas100d_power_off(void) -{ - /* This causes the box to drop the power and go dead. */ - - /* enable the pwr cntl gpio */ - gpio_line_config(NAS100D_PO_GPIO, IXP4XX_GPIO_OUT); - - /* do the deed */ - gpio_line_set(NAS100D_PO_GPIO, IXP4XX_GPIO_HIGH); -} - -static void __init nas100d_init(void) -{ - ixp4xx_sys_init(); - - pm_power_off = nas100d_power_off; - - platform_add_devices(nas100d_devices, ARRAY_SIZE(nas100d_devices)); -} - -MACHINE_START(NAS100D, "Iomega NAS 100d") - /* Maintainer: www.nslu2-linux.org */ - .phys_ram = PHYS_OFFSET, - .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS, - .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xFFFC, - .boot_params = 0x00000100, - .map_io = ixp4xx_map_io, - .init_irq = ixp4xx_init_irq, - .timer = &ixp4xx_timer, - .init_machine = nas100d_init, -MACHINE_END diff --git a/packages/linux/nas100d-kernel/2.6.15/nas100d.h b/packages/linux/nas100d-kernel/2.6.15/nas100d.h deleted file mode 100644 index 1623712b78..0000000000 --- a/packages/linux/nas100d-kernel/2.6.15/nas100d.h +++ /dev/null @@ -1,75 +0,0 @@ -/* - * include/asm-arm/arch-ixp4xx/nas100d.h - * - * NAS100D platform specific definitions - * - * Copyright (c) 2005 Tower Technologies - * - * Author: Alessandro Zummo <a.zummo@towertech.it> - * - * based on ixdp425.h: - * Copyright 2004 (c) MontaVista, Software, Inc. - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. - */ - -#ifndef __ASM_ARCH_HARDWARE_H__ -#error "Do not include this directly, instead #include <asm/hardware.h>" -#endif - -#define NAS100D_FLASH_BASE IXP4XX_EXP_BUS_CS0_BASE_PHYS -#define NAS100D_FLASH_SIZE IXP4XX_EXP_BUS_CSX_REGION_SIZE - -#define NAS100D_SDA_PIN 5 -#define NAS100D_SCL_PIN 6 - -/* - * NAS100D PCI IRQs - */ -#define NAS100D_PCI_MAX_DEV 5 -#define NAS100D_PCI_IRQ_LINES 5 - - -/* PCI controller GPIO to IRQ pin mappings */ -#define NAS100D_PCI_INTA_PIN 11 -#define NAS100D_PCI_INTB_PIN 10 -#define NAS100D_PCI_INTC_PIN 9 -#define NAS100D_PCI_INTD_PIN 8 -#define NAS100D_PCI_INTE_PIN 7 - -/* GPIO */ - -#define NAS100D_GPIO0 0 -#define NAS100D_GPIO1 1 -#define NAS100D_GPIO2 2 -#define NAS100D_GPIO3 3 -#define NAS100D_GPIO4 4 -#define NAS100D_GPIO5 5 -#define NAS100D_GPIO6 6 -#define NAS100D_GPIO7 7 -#define NAS100D_GPIO8 8 -#define NAS100D_GPIO9 9 -#define NAS100D_GPIO10 10 -#define NAS100D_GPIO11 11 -#define NAS100D_GPIO12 12 -#define NAS100D_GPIO13 13 -#define NAS100D_GPIO14 14 -#define NAS100D_GPIO15 15 - - -/* Buttons */ - -#define NAS100D_PB_GPIO NAS100D_GPIO14 -#define NAS100D_RB_GPIO NAS100D_GPIO4 -#define NAS100D_PO_GPIO NAS100D_GPIO12 /* power off */ - -#define NAS100D_PB_IRQ IRQ_IXP4XX_GPIO14 -#define NAS100D_RB_IRQ IRQ_IXP4XX_GPIO4 - -/* -#define NAS100D_PB_BM (1L << NAS100D_PB_GPIO) -#define NAS100D_PO_BM (1L << NAS100D_PO_GPIO) -#define NAS100D_RB_BM (1L << NAS100D_RB_GPIO) -*/ diff --git a/packages/linux/nas100d-kernel_2.6.15.bb b/packages/linux/nas100d-kernel_2.6.15.bb new file mode 100644 index 0000000000..337763b2d6 --- /dev/null +++ b/packages/linux/nas100d-kernel_2.6.15.bb @@ -0,0 +1,34 @@ +# Kernel for Iomega NAS 100d +# +# Increment PR_CONFIG for changes to the nas100d-kernel specific +# defconfig (do *NOT* increment anything in here for changes +# to other kernel configs!) +PR_CONFIG = "0" +# +# Increment the number below (i.e. the digits after PR) when +# making changes within this file or for changes to the patches +# applied to the kernel. +PR = "r1.${PR_CONFIG}" + +include nas100d-kernel.inc + +# N1K_PATCHES - full list of patches to apply +N1K_PATCHES = "\ + file://00-memory-h-page-shift.patch;patch=1 \ + file://10-mtdpart-redboot-fis-byteswap.patch;patch=1 \ + file://19-jffs2-force-be.patch;patch=1 \ + file://40-rtc-class.patch;patch=1 \ + file://50-nas100d-arch.patch;patch=1 \ + file://60-nas100d-ide.patch;patch=1 \ + file://60-nas100d-i2c.patch;patch=1 \ + file://85-timer.patch;patch=1 \ + file://91-maclist.patch;patch=1 \ + file://92-nas100d-maclist.patch;patch=1 \ + file://anonymiser.patch;patch=1 \ +" + +# These options get added to the kernel command line, only put things +# specific to the bootstrap of *this* kernel in here - DISTRO specfic +# config must be in CMDLINE_ROOT (see the full definition of CMDLINE +# in nas100d-kernel.inc) +CMDLINE_KERNEL_OPTIONS = "pcf8563.hctosys=1" |