diff options
Diffstat (limited to 'arch/sh/kernel/cpu')
| -rw-r--r-- | arch/sh/kernel/cpu/Makefile | 2 | ||||
| -rw-r--r-- | arch/sh/kernel/cpu/bus.c | 197 | ||||
| -rw-r--r-- | arch/sh/kernel/cpu/clock.c | 13 | ||||
| -rw-r--r-- | arch/sh/kernel/cpu/irq/ipr.c | 59 |
4 files changed, 31 insertions, 240 deletions
diff --git a/arch/sh/kernel/cpu/Makefile b/arch/sh/kernel/cpu/Makefile index 5bfc33bec5d..59d5b748752 100644 --- a/arch/sh/kernel/cpu/Makefile +++ b/arch/sh/kernel/cpu/Makefile @@ -2,7 +2,7 @@ # Makefile for the Linux/SuperH CPU-specifc backends. # -obj-y += irq/ init.o bus.o clock.o +obj-y += irq/ init.o clock.o obj-$(CONFIG_CPU_SH2) += sh2/ obj-$(CONFIG_CPU_SH3) += sh3/ diff --git a/arch/sh/kernel/cpu/bus.c b/arch/sh/kernel/cpu/bus.c deleted file mode 100644 index fc6c4bd40c6..00000000000 --- a/arch/sh/kernel/cpu/bus.c +++ /dev/null @@ -1,197 +0,0 @@ -/* - * arch/sh/kernel/cpu/bus.c - * - * Virtual bus for SuperH. - * - * Copyright (C) 2004 Paul Mundt - * - * Shamelessly cloned from arch/arm/mach-omap/bus.c, which was written - * by: - * - * Copyright (C) 2003 - 2004 Nokia Corporation - * Written by Tony Lindgren <tony@atomide.com> - * Portions of code based on sa1111.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; either version 2 of the License, or (at your - * option) any later version. - */ -#include <linux/kernel.h> -#include <linux/device.h> -#include <linux/init.h> -#include <linux/module.h> -#include <asm/bus-sh.h> - -static int sh_bus_match(struct device *dev, struct device_driver *drv) -{ - struct sh_driver *shdrv = to_sh_driver(drv); - struct sh_dev *shdev = to_sh_dev(dev); - - return shdev->dev_id == shdrv->dev_id; -} - -static int sh_bus_suspend(struct device *dev, pm_message_t state) -{ - struct sh_dev *shdev = to_sh_dev(dev); - struct sh_driver *shdrv = to_sh_driver(dev->driver); - - if (shdrv && shdrv->suspend) - return shdrv->suspend(shdev, state); - - return 0; -} - -static int sh_bus_resume(struct device *dev) -{ - struct sh_dev *shdev = to_sh_dev(dev); - struct sh_driver *shdrv = to_sh_driver(dev->driver); - - if (shdrv && shdrv->resume) - return shdrv->resume(shdev); - - return 0; -} - -static int sh_device_probe(struct device *dev) -{ - struct sh_dev *shdev = to_sh_dev(dev); - struct sh_driver *shdrv = to_sh_driver(dev->driver); - - if (shdrv && shdrv->probe) - return shdrv->probe(shdev); - - return -ENODEV; -} - -static int sh_device_remove(struct device *dev) -{ - struct sh_dev *shdev = to_sh_dev(dev); - struct sh_driver *shdrv = to_sh_driver(dev->driver); - - if (shdrv && shdrv->remove) - return shdrv->remove(shdev); - - return 0; -} - -static struct device sh_bus_devices[SH_NR_BUSES] = { - { - .bus_id = SH_BUS_NAME_VIRT, - }, -}; - -struct bus_type sh_bus_types[SH_NR_BUSES] = { - { - .name = SH_BUS_NAME_VIRT, - .match = sh_bus_match, - .probe = sh_bus_probe, - .remove = sh_bus_remove, - .suspend = sh_bus_suspend, - .resume = sh_bus_resume, - }, -}; - -int sh_device_register(struct sh_dev *dev) -{ - if (!dev) - return -EINVAL; - - if (dev->bus_id < 0 || dev->bus_id >= SH_NR_BUSES) { - printk(KERN_ERR "%s: bus_id invalid: %s bus: %d\n", - __FUNCTION__, dev->name, dev->bus_id); - return -EINVAL; - } - - dev->dev.parent = &sh_bus_devices[dev->bus_id]; - dev->dev.bus = &sh_bus_types[dev->bus_id]; - - /* This is needed for USB OHCI to work */ - if (dev->dma_mask) - dev->dev.dma_mask = dev->dma_mask; - if (dev->coherent_dma_mask) - dev->dev.coherent_dma_mask = dev->coherent_dma_mask; - - snprintf(dev->dev.bus_id, BUS_ID_SIZE, "%s%u", - dev->name, dev->dev_id); - - printk(KERN_INFO "Registering SH device '%s'. Parent at %s\n", - dev->dev.bus_id, dev->dev.parent->bus_id); - - return device_register(&dev->dev); -} - -void sh_device_unregister(struct sh_dev *dev) -{ - device_unregister(&dev->dev); -} - -int sh_driver_register(struct sh_driver *drv) -{ - if (!drv) - return -EINVAL; - - if (drv->bus_id < 0 || drv->bus_id >= SH_NR_BUSES) { - printk(KERN_ERR "%s: bus_id invalid: bus: %d device %d\n", - __FUNCTION__, drv->bus_id, drv->dev_id); - return -EINVAL; - } - - drv->drv.bus = &sh_bus_types[drv->bus_id]; - - return driver_register(&drv->drv); -} - -void sh_driver_unregister(struct sh_driver *drv) -{ - driver_unregister(&drv->drv); -} - -static int __init sh_bus_init(void) -{ - int i, ret = 0; - - for (i = 0; i < SH_NR_BUSES; i++) { - ret = device_register(&sh_bus_devices[i]); - if (ret != 0) { - printk(KERN_ERR "Unable to register bus device %s\n", - sh_bus_devices[i].bus_id); - continue; - } - - ret = bus_register(&sh_bus_types[i]); - if (ret != 0) { - printk(KERN_ERR "Unable to register bus %s\n", - sh_bus_types[i].name); - device_unregister(&sh_bus_devices[i]); - } - } - - printk(KERN_INFO "SH Virtual Bus initialized\n"); - - return ret; -} - -static void __exit sh_bus_exit(void) -{ - int i; - - for (i = 0; i < SH_NR_BUSES; i++) { - bus_unregister(&sh_bus_types[i]); - device_unregister(&sh_bus_devices[i]); - } -} - -module_init(sh_bus_init); -module_exit(sh_bus_exit); - -MODULE_AUTHOR("Paul Mundt <lethal@linux-sh.org>"); -MODULE_DESCRIPTION("SH Virtual Bus"); -MODULE_LICENSE("GPL"); - -EXPORT_SYMBOL(sh_bus_types); -EXPORT_SYMBOL(sh_device_register); -EXPORT_SYMBOL(sh_device_unregister); -EXPORT_SYMBOL(sh_driver_register); -EXPORT_SYMBOL(sh_driver_unregister); - diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c index 989e7fdd524..97fa37f42b8 100644 --- a/arch/sh/kernel/cpu/clock.c +++ b/arch/sh/kernel/cpu/clock.c @@ -38,9 +38,7 @@ static DECLARE_MUTEX(clock_list_sem); static struct clk master_clk = { .name = "master_clk", .flags = CLK_ALWAYS_ENABLED | CLK_RATE_PROPAGATES, -#ifdef CONFIG_SH_PCLK_FREQ_BOOL .rate = CONFIG_SH_PCLK_FREQ, -#endif }; static struct clk module_clk = { @@ -227,16 +225,7 @@ int __init clk_init(void) { int i, ret = 0; - if (unlikely(!master_clk.rate)) - /* - * NOTE: This will break if the default divisor has been - * changed. - * - * No one should be changing the default on us however, - * expect that a sane value for CONFIG_SH_PCLK_FREQ will - * be defined in the event of a different divisor. - */ - master_clk.rate = get_timer_frequency() * 4; + BUG_ON(unlikely(!master_clk.rate)); for (i = 0; i < ARRAY_SIZE(onchip_clocks); i++) { struct clk *clk = onchip_clocks[i]; diff --git a/arch/sh/kernel/cpu/irq/ipr.c b/arch/sh/kernel/cpu/irq/ipr.c index fdbd718ae5c..e55150ed085 100644 --- a/arch/sh/kernel/cpu/irq/ipr.c +++ b/arch/sh/kernel/cpu/irq/ipr.c @@ -108,8 +108,7 @@ static void end_ipr_irq(unsigned int irq) enable_ipr_irq(irq); } -void make_ipr_irq(unsigned int irq, unsigned int addr, int pos, - int priority, int maskpos) +void make_ipr_irq(unsigned int irq, unsigned int addr, int pos, int priority) { disable_irq_nosync(irq); ipr_data[irq].addr = addr; @@ -123,44 +122,44 @@ void make_ipr_irq(unsigned int irq, unsigned int addr, int pos, void __init init_IRQ(void) { #ifndef CONFIG_CPU_SUBTYPE_SH7780 - make_ipr_irq(TIMER_IRQ, TIMER_IPR_ADDR, TIMER_IPR_POS, TIMER_PRIORITY, 0); - make_ipr_irq(TIMER1_IRQ, TIMER1_IPR_ADDR, TIMER1_IPR_POS, TIMER1_PRIORITY, 0); + make_ipr_irq(TIMER_IRQ, TIMER_IPR_ADDR, TIMER_IPR_POS, TIMER_PRIORITY); + make_ipr_irq(TIMER1_IRQ, TIMER1_IPR_ADDR, TIMER1_IPR_POS, TIMER1_PRIORITY); #if defined(CONFIG_SH_RTC) - make_ipr_irq(RTC_IRQ, RTC_IPR_ADDR, RTC_IPR_POS, RTC_PRIORITY, 0); + make_ipr_irq(RTC_IRQ, RTC_IPR_ADDR, RTC_IPR_POS, RTC_PRIORITY); #endif #ifdef SCI_ERI_IRQ - make_ipr_irq(SCI_ERI_IRQ, SCI_IPR_ADDR, SCI_IPR_POS, SCI_PRIORITY, 0); - make_ipr_irq(SCI_RXI_IRQ, SCI_IPR_ADDR, SCI_IPR_POS, SCI_PRIORITY, 0); - make_ipr_irq(SCI_TXI_IRQ, SCI_IPR_ADDR, SCI_IPR_POS, SCI_PRIORITY, 0); + make_ipr_irq(SCI_ERI_IRQ, SCI_IPR_ADDR, SCI_IPR_POS, SCI_PRIORITY); + make_ipr_irq(SCI_RXI_IRQ, SCI_IPR_ADDR, SCI_IPR_POS, SCI_PRIORITY); + make_ipr_irq(SCI_TXI_IRQ, SCI_IPR_ADDR, SCI_IPR_POS, SCI_PRIORITY); #endif #ifdef SCIF1_ERI_IRQ - make_ipr_irq(SCIF1_ERI_IRQ, SCIF1_IPR_ADDR, SCIF1_IPR_POS, SCIF1_PRIORITY, 0); - make_ipr_irq(SCIF1_RXI_IRQ, SCIF1_IPR_ADDR, SCIF1_IPR_POS, SCIF1_PRIORITY, 0); - make_ipr_irq(SCIF1_BRI_IRQ, SCIF1_IPR_ADDR, SCIF1_IPR_POS, SCIF1_PRIORITY, 0); - make_ipr_irq(SCIF1_TXI_IRQ, SCIF1_IPR_ADDR, SCIF1_IPR_POS, SCIF1_PRIORITY, 0); + make_ipr_irq(SCIF1_ERI_IRQ, SCIF1_IPR_ADDR, SCIF1_IPR_POS, SCIF1_PRIORITY); + make_ipr_irq(SCIF1_RXI_IRQ, SCIF1_IPR_ADDR, SCIF1_IPR_POS, SCIF1_PRIORITY); + make_ipr_irq(SCIF1_BRI_IRQ, SCIF1_IPR_ADDR, SCIF1_IPR_POS, SCIF1_PRIORITY); + make_ipr_irq(SCIF1_TXI_IRQ, SCIF1_IPR_ADDR, SCIF1_IPR_POS, SCIF1_PRIORITY); #endif #if defined(CONFIG_CPU_SUBTYPE_SH7300) - make_ipr_irq(SCIF0_IRQ, SCIF0_IPR_ADDR, SCIF0_IPR_POS, SCIF0_PRIORITY, 0); - make_ipr_irq(DMTE2_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY, 0); - make_ipr_irq(DMTE3_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY, 0); - make_ipr_irq(VIO_IRQ, VIO_IPR_ADDR, VIO_IPR_POS, VIO_PRIORITY, 0); + make_ipr_irq(SCIF0_IRQ, SCIF0_IPR_ADDR, SCIF0_IPR_POS, SCIF0_PRIORITY); + make_ipr_irq(DMTE2_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY); + make_ipr_irq(DMTE3_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY); + make_ipr_irq(VIO_IRQ, VIO_IPR_ADDR, VIO_IPR_POS, VIO_PRIORITY); #endif #ifdef SCIF_ERI_IRQ - make_ipr_irq(SCIF_ERI_IRQ, SCIF_IPR_ADDR, SCIF_IPR_POS, SCIF_PRIORITY, 0); - make_ipr_irq(SCIF_RXI_IRQ, SCIF_IPR_ADDR, SCIF_IPR_POS, SCIF_PRIORITY, 0); - make_ipr_irq(SCIF_BRI_IRQ, SCIF_IPR_ADDR, SCIF_IPR_POS, SCIF_PRIORITY, 0); - make_ipr_irq(SCIF_TXI_IRQ, SCIF_IPR_ADDR, SCIF_IPR_POS, SCIF_PRIORITY, 0); + make_ipr_irq(SCIF_ERI_IRQ, SCIF_IPR_ADDR, SCIF_IPR_POS, SCIF_PRIORITY); + make_ipr_irq(SCIF_RXI_IRQ, SCIF_IPR_ADDR, SCIF_IPR_POS, SCIF_PRIORITY); + make_ipr_irq(SCIF_BRI_IRQ, SCIF_IPR_ADDR, SCIF_IPR_POS, SCIF_PRIORITY); + make_ipr_irq(SCIF_TXI_IRQ, SCIF_IPR_ADDR, SCIF_IPR_POS, SCIF_PRIORITY); #endif #ifdef IRDA_ERI_IRQ - make_ipr_irq(IRDA_ERI_IRQ, IRDA_IPR_ADDR, IRDA_IPR_POS, IRDA_PRIORITY, 0); - make_ipr_irq(IRDA_RXI_IRQ, IRDA_IPR_ADDR, IRDA_IPR_POS, IRDA_PRIORITY, 0); - make_ipr_irq(IRDA_BRI_IRQ, IRDA_IPR_ADDR, IRDA_IPR_POS, IRDA_PRIORITY, 0); - make_ipr_irq(IRDA_TXI_IRQ, IRDA_IPR_ADDR, IRDA_IPR_POS, IRDA_PRIORITY, 0); + make_ipr_irq(IRDA_ERI_IRQ, IRDA_IPR_ADDR, IRDA_IPR_POS, IRDA_PRIORITY); + make_ipr_irq(IRDA_RXI_IRQ, IRDA_IPR_ADDR, IRDA_IPR_POS, IRDA_PRIORITY); + make_ipr_irq(IRDA_BRI_IRQ, IRDA_IPR_ADDR, IRDA_IPR_POS, IRDA_PRIORITY); + make_ipr_irq(IRDA_TXI_IRQ, IRDA_IPR_ADDR, IRDA_IPR_POS, IRDA_PRIORITY); #endif #if defined(CONFIG_CPU_SUBTYPE_SH7707) || defined(CONFIG_CPU_SUBTYPE_SH7709) || \ @@ -175,12 +174,12 @@ void __init init_IRQ(void) * You should set corresponding bits of PFC to "00" * to enable these interrupts. */ - make_ipr_irq(IRQ0_IRQ, IRQ0_IPR_ADDR, IRQ0_IPR_POS, IRQ0_PRIORITY, 0); - make_ipr_irq(IRQ1_IRQ, IRQ1_IPR_ADDR, IRQ1_IPR_POS, IRQ1_PRIORITY, 0); - make_ipr_irq(IRQ2_IRQ, IRQ2_IPR_ADDR, IRQ2_IPR_POS, IRQ2_PRIORITY, 0); - make_ipr_irq(IRQ3_IRQ, IRQ3_IPR_ADDR, IRQ3_IPR_POS, IRQ3_PRIORITY, 0); - make_ipr_irq(IRQ4_IRQ, IRQ4_IPR_ADDR, IRQ4_IPR_POS, IRQ4_PRIORITY, 0); - make_ipr_irq(IRQ5_IRQ, IRQ5_IPR_ADDR, IRQ5_IPR_POS, IRQ5_PRIORITY, 0); + make_ipr_irq(IRQ0_IRQ, IRQ0_IPR_ADDR, IRQ0_IPR_POS, IRQ0_PRIORITY); + make_ipr_irq(IRQ1_IRQ, IRQ1_IPR_ADDR, IRQ1_IPR_POS, IRQ1_PRIORITY); + make_ipr_irq(IRQ2_IRQ, IRQ2_IPR_ADDR, IRQ2_IPR_POS, IRQ2_PRIORITY); + make_ipr_irq(IRQ3_IRQ, IRQ3_IPR_ADDR, IRQ3_IPR_POS, IRQ3_PRIORITY); + make_ipr_irq(IRQ4_IRQ, IRQ4_IPR_ADDR, IRQ4_IPR_POS, IRQ4_PRIORITY); + make_ipr_irq(IRQ5_IRQ, IRQ5_IPR_ADDR, IRQ5_IPR_POS, IRQ5_PRIORITY); #endif #endif |