[Netnice-commitlog] netnice : Linux/arch/arm/common Kconfig,1.1.1.1,1.1.1.1.6.1 Makefile,1.1.1.2,1.1
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[Netnice-commitlog] netnice : Linux/arch/arm/common Kconfig,1.1.1.1,1.1.1.1.6.1 Makefile,1.1.1.2,1.1.1.2.6.1 amba.c,1.1.1.2,1.1.1.2.6.1 dmabounce.c,1.1.1.2,1.1.1.2.6.1 locomo.c,1.1.1.1,1.1.1.1.6.1 sa1111.c,1.1.1.2,1.1.1.2.6.1 scoop.c,1.1.1.1,1.1.1.1.6.1 sharpsl_param.c,1.1.1.1,1.1.1.1.6.1
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From: bhatt k. m. <rou...@us...> - 2006-02-16 10:14:04
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Update of /cvsroot/netnice/Linux/arch/arm/common In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv2102/common Modified Files: Tag: netnice2615 Kconfig Makefile amba.c dmabounce.c locomo.c sa1111.c scoop.c sharpsl_param.c Log Message: netnice patch updated to linux kernel 2.6.15. --Kartikey BHATT Index: dmabounce.c =================================================================== RCS file: /cvsroot/netnice/Linux/arch/arm/common/dmabounce.c,v retrieving revision 1.1.1.2 retrieving revision 1.1.1.2.6.1 diff -u -d -r1.1.1.2 -r1.1.1.2.6.1 --- dmabounce.c 5 Nov 2005 19:52:13 -0000 1.1.1.2 +++ dmabounce.c 16 Feb 2006 10:13:12 -0000 1.1.1.2.6.1 @@ -30,9 +30,11 @@ #include <linux/dmapool.h> #include <linux/list.h> -#undef DEBUG +#include <asm/cacheflush.h> +#undef DEBUG #undef STATS + #ifdef STATS #define DO_STATS(X) do { X ; } while (0) #else @@ -50,26 +52,31 @@ int direction; /* safe buffer info */ - struct dma_pool *pool; + struct dmabounce_pool *pool; void *safe; dma_addr_t safe_dma_addr; }; +struct dmabounce_pool { + unsigned long size; + struct dma_pool *pool; +#ifdef STATS + unsigned long allocs; +#endif +}; + struct dmabounce_device_info { struct list_head node; struct device *dev; - struct dma_pool *small_buffer_pool; - struct dma_pool *large_buffer_pool; struct list_head safe_buffers; - unsigned long small_buffer_size, large_buffer_size; #ifdef STATS - unsigned long sbp_allocs; - unsigned long lbp_allocs; unsigned long total_allocs; unsigned long map_op_count; unsigned long bounce_count; #endif + struct dmabounce_pool small; + struct dmabounce_pool large; }; static LIST_HEAD(dmabounce_devs); @@ -80,9 +87,9 @@ printk(KERN_INFO "%s: dmabounce: sbp: %lu, lbp: %lu, other: %lu, total: %lu\n", device_info->dev->bus_id, - device_info->sbp_allocs, device_info->lbp_allocs, - device_info->total_allocs - device_info->sbp_allocs - - device_info->lbp_allocs, + device_info->small.allocs, device_info->large.allocs, + device_info->total_allocs - device_info->small.allocs - + device_info->large.allocs, device_info->total_allocs); } #endif @@ -91,15 +98,12 @@ static inline struct dmabounce_device_info * find_dmabounce_dev(struct device *dev) { - struct list_head *entry; - - list_for_each(entry, &dmabounce_devs) { - struct dmabounce_device_info *d = - list_entry(entry, struct dmabounce_device_info, node); + struct dmabounce_device_info *d; + list_for_each_entry(d, &dmabounce_devs, node) if (d->dev == dev) return d; - } + return NULL; } @@ -107,18 +111,22 @@ /* allocate a 'safe' buffer and keep track of it */ static inline struct safe_buffer * alloc_safe_buffer(struct dmabounce_device_info *device_info, void *ptr, - size_t size, enum dma_data_direction dir) + size_t size, enum dma_data_direction dir) { struct safe_buffer *buf; - struct dma_pool *pool; + struct dmabounce_pool *pool; struct device *dev = device_info->dev; - void *safe; - dma_addr_t safe_dma_addr; dev_dbg(dev, "%s(ptr=%p, size=%d, dir=%d)\n", __func__, ptr, size, dir); - DO_STATS ( device_info->total_allocs++ ); + if (size <= device_info->small.size) { + pool = &device_info->small; + } else if (size <= device_info->large.size) { + pool = &device_info->large; + } else { + pool = NULL; + } buf = kmalloc(sizeof(struct safe_buffer), GFP_ATOMIC); if (buf == NULL) { @@ -126,41 +134,35 @@ return NULL; } - if (size <= device_info->small_buffer_size) { - pool = device_info->small_buffer_pool; - safe = dma_pool_alloc(pool, GFP_ATOMIC, &safe_dma_addr); - - DO_STATS ( device_info->sbp_allocs++ ); - } else if (size <= device_info->large_buffer_size) { - pool = device_info->large_buffer_pool; - safe = dma_pool_alloc(pool, GFP_ATOMIC, &safe_dma_addr); + buf->ptr = ptr; + buf->size = size; + buf->direction = dir; + buf->pool = pool; - DO_STATS ( device_info->lbp_allocs++ ); + if (pool) { + buf->safe = dma_pool_alloc(pool->pool, GFP_ATOMIC, + &buf->safe_dma_addr); } else { - pool = NULL; - safe = dma_alloc_coherent(dev, size, &safe_dma_addr, GFP_ATOMIC); + buf->safe = dma_alloc_coherent(dev, size, &buf->safe_dma_addr, + GFP_ATOMIC); } - if (safe == NULL) { - dev_warn(device_info->dev, - "%s: could not alloc dma memory (size=%d)\n", - __func__, size); + if (buf->safe == NULL) { + dev_warn(dev, + "%s: could not alloc dma memory (size=%d)\n", + __func__, size); kfree(buf); return NULL; } #ifdef STATS + if (pool) + pool->allocs++; + device_info->total_allocs++; if (device_info->total_allocs % 1000 == 0) print_alloc_stats(device_info); #endif - buf->ptr = ptr; - buf->size = size; - buf->direction = dir; - buf->pool = pool; - buf->safe = safe; - buf->safe_dma_addr = safe_dma_addr; - list_add(&buf->node, &device_info->safe_buffers); return buf; @@ -170,15 +172,11 @@ static inline struct safe_buffer * find_safe_buffer(struct dmabounce_device_info *device_info, dma_addr_t safe_dma_addr) { - struct list_head *entry; - - list_for_each(entry, &device_info->safe_buffers) { - struct safe_buffer *b = - list_entry(entry, struct safe_buffer, node); + struct safe_buffer *b; + list_for_each_entry(b, &device_info->safe_buffers, node) if (b->safe_dma_addr == safe_dma_addr) return b; - } return NULL; } @@ -191,7 +189,7 @@ list_del(&buf->node); if (buf->pool) - dma_pool_free(buf->pool, buf->safe, buf->safe_dma_addr); + dma_pool_free(buf->pool->pool, buf->safe, buf->safe_dma_addr); else dma_free_coherent(device_info->dev, buf->size, buf->safe, buf->safe_dma_addr); @@ -202,12 +200,10 @@ /* ************************************************** */ #ifdef STATS - static void print_map_stats(struct dmabounce_device_info *device_info) { - printk(KERN_INFO - "%s: dmabounce: map_op_count=%lu, bounce_count=%lu\n", - device_info->dev->bus_id, + dev_info(device_info->dev, + "dmabounce: map_op_count=%lu, bounce_count=%lu\n", device_info->map_op_count, device_info->bounce_count); } #endif @@ -263,13 +259,13 @@ __func__, ptr, buf->safe, size); memcpy(buf->safe, ptr, size); } - consistent_sync(buf->safe, size, dir); + ptr = buf->safe; dma_addr = buf->safe_dma_addr; - } else { - consistent_sync(ptr, size, dir); } + consistent_sync(ptr, size, dir); + return dma_addr; } @@ -283,7 +279,7 @@ /* * Trying to unmap an invalid mapping */ - if (dma_addr == ~0) { + if (dma_mapping_error(dma_addr)) { dev_err(dev, "Trying to unmap invalid mapping\n"); return; } @@ -299,15 +295,26 @@ __func__, buf->ptr, (void *) virt_to_dma(dev, buf->ptr), buf->safe, (void *) buf->safe_dma_addr); - DO_STATS ( device_info->bounce_count++ ); - if ((dir == DMA_FROM_DEVICE) || - (dir == DMA_BIDIRECTIONAL)) { + if (dir == DMA_FROM_DEVICE || dir == DMA_BIDIRECTIONAL) { + unsigned long ptr; + dev_dbg(dev, "%s: copy back safe %p to unsafe %p size %d\n", __func__, buf->safe, buf->ptr, size); memcpy(buf->ptr, buf->safe, size); + + /* + * DMA buffers must have the same cache properties + * as if they were really used for DMA - which means + * data must be written back to RAM. Note that + * we don't use dmac_flush_range() here for the + * bidirectional case because we know the cache + * lines will be coherent with the data written. + */ + ptr = (unsigned long)buf->ptr; + dmac_clean_range(ptr, ptr + size); } free_safe_buffer(device_info, buf); } @@ -564,11 +571,25 @@ local_irq_restore(flags); } +static int +dmabounce_init_pool(struct dmabounce_pool *pool, struct device *dev, const char *name, + unsigned long size) +{ + pool->size = size; + DO_STATS(pool->allocs = 0); + pool->pool = dma_pool_create(name, dev, size, + 0 /* byte alignment */, + 0 /* no page-crossing issues */); + + return pool->pool ? 0 : -ENOMEM; +} + int dmabounce_register_dev(struct device *dev, unsigned long small_buffer_size, unsigned long large_buffer_size) { struct dmabounce_device_info *device_info; + int ret; device_info = kmalloc(sizeof(struct dmabounce_device_info), GFP_ATOMIC); if (!device_info) { @@ -578,45 +599,31 @@ return -ENOMEM; } - device_info->small_buffer_pool = - dma_pool_create("small_dmabounce_pool", - dev, - small_buffer_size, - 0 /* byte alignment */, - 0 /* no page-crossing issues */); - if (!device_info->small_buffer_pool) { - printk(KERN_ERR - "dmabounce: could not allocate small DMA pool for %s\n", - dev->bus_id); - kfree(device_info); - return -ENOMEM; + ret = dmabounce_init_pool(&device_info->small, dev, + "small_dmabounce_pool", small_buffer_size); + if (ret) { + dev_err(dev, + "dmabounce: could not allocate DMA pool for %ld byte objects\n", + small_buffer_size); + goto err_free; } if (large_buffer_size) { - device_info->large_buffer_pool = - dma_pool_create("large_dmabounce_pool", - dev, - large_buffer_size, - 0 /* byte alignment */, - 0 /* no page-crossing issues */); - if (!device_info->large_buffer_pool) { - printk(KERN_ERR - "dmabounce: could not allocate large DMA pool for %s\n", - dev->bus_id); - dma_pool_destroy(device_info->small_buffer_pool); - - return -ENOMEM; + ret = dmabounce_init_pool(&device_info->large, dev, + "large_dmabounce_pool", + large_buffer_size); + if (ret) { + dev_err(dev, + "dmabounce: could not allocate DMA pool for %ld byte objects\n", + large_buffer_size); + goto err_destroy; } } device_info->dev = dev; - device_info->small_buffer_size = small_buffer_size; - device_info->large_buffer_size = large_buffer_size; INIT_LIST_HEAD(&device_info->safe_buffers); #ifdef STATS - device_info->sbp_allocs = 0; - device_info->lbp_allocs = 0; device_info->total_allocs = 0; device_info->map_op_count = 0; device_info->bounce_count = 0; @@ -628,6 +635,12 @@ dev->bus_id, dev->bus->name); return 0; + + err_destroy: + dma_pool_destroy(device_info->small.pool); + err_free: + kfree(device_info); + return ret; } void @@ -649,10 +662,10 @@ BUG(); } - if (device_info->small_buffer_pool) - dma_pool_destroy(device_info->small_buffer_pool); - if (device_info->large_buffer_pool) - dma_pool_destroy(device_info->large_buffer_pool); + if (device_info->small.pool) + dma_pool_destroy(device_info->small.pool); + if (device_info->large.pool) + dma_pool_destroy(device_info->large.pool); #ifdef STATS print_alloc_stats(device_info); Index: sharpsl_param.c =================================================================== RCS file: /cvsroot/netnice/Linux/arch/arm/common/sharpsl_param.c,v retrieving revision 1.1.1.1 retrieving revision 1.1.1.1.6.1 diff -u -d -r1.1.1.1 -r1.1.1.1.6.1 --- sharpsl_param.c 5 Nov 2005 19:52:15 -0000 1.1.1.1 +++ sharpsl_param.c 16 Feb 2006 10:13:12 -0000 1.1.1.1.6.1 @@ -22,7 +22,7 @@ * them early in the boot process, then pass them to the appropriate drivers. * Not all devices use all paramaters but the format is common to all. */ -#ifdef ARCH_SA1100 +#ifdef CONFIG_ARCH_SA1100 #define PARAM_BASE 0xe8ffc000 #else #define PARAM_BASE 0xa0000a00 Index: amba.c =================================================================== RCS file: /cvsroot/netnice/Linux/arch/arm/common/amba.c,v retrieving revision 1.1.1.2 retrieving revision 1.1.1.2.6.1 diff -u -d -r1.1.1.2 -r1.1.1.2.6.1 --- amba.c 5 Nov 2005 19:52:12 -0000 1.1.1.2 +++ amba.c 16 Feb 2006 10:13:12 -0000 1.1.1.2.6.1 @@ -10,6 +10,8 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/device.h> +#include <linux/string.h> +#include <linux/slab.h> #include <asm/io.h> #include <asm/irq.h> @@ -169,7 +171,7 @@ } #define amba_attr(name,fmt,arg...) \ -static ssize_t show_##name(struct device *_dev, char *buf) \ +static ssize_t show_##name(struct device *_dev, struct device_attribute *attr, char *buf) \ { \ struct amba_device *dev = to_amba_device(_dev); \ return sprintf(buf, fmt, arg); \ Index: Makefile =================================================================== RCS file: /cvsroot/netnice/Linux/arch/arm/common/Makefile,v retrieving revision 1.1.1.2 retrieving revision 1.1.1.2.6.1 diff -u -d -r1.1.1.2 -r1.1.1.2.6.1 --- Makefile 5 Nov 2005 19:52:12 -0000 1.1.1.2 +++ Makefile 16 Feb 2006 10:13:12 -0000 1.1.1.2.6.1 @@ -4,6 +4,7 @@ obj-y += rtctime.o obj-$(CONFIG_ARM_AMBA) += amba.o +obj-$(CONFIG_ARM_GIC) += gic.o obj-$(CONFIG_ICST525) += icst525.o obj-$(CONFIG_ICST307) += icst307.o obj-$(CONFIG_SA1111) += sa1111.o Index: locomo.c =================================================================== RCS file: /cvsroot/netnice/Linux/arch/arm/common/locomo.c,v retrieving revision 1.1.1.1 retrieving revision 1.1.1.1.6.1 diff -u -d -r1.1.1.1 -r1.1.1.1.6.1 --- locomo.c 5 Nov 2005 19:52:14 -0000 1.1.1.1 +++ locomo.c 16 Feb 2006 10:13:12 -0000 1.1.1.1.6.1 @@ -22,12 +22,11 @@ #include <linux/delay.h> #include <linux/errno.h> #include <linux/ioport.h> -#include <linux/device.h> +#include <linux/platform_device.h> #include <linux/slab.h> #include <linux/spinlock.h> #include <asm/hardware.h> -#include <asm/mach-types.h> #include <asm/io.h> #include <asm/irq.h> #include <asm/mach/irq.h> @@ -177,7 +176,7 @@ d = irq_desc + irq; for (i = 0; i <= 3; i++, d++, irq++) { if (req & (0x0100 << i)) { - d->handle(irq, d, regs); + desc_handle_irq(irq, d, regs); } } @@ -220,7 +219,7 @@ if (locomo_readl(mapbase + LOCOMO_KEYBOARD + LOCOMO_KIC) & 0x0001) { d = irq_desc + LOCOMO_IRQ_KEY_START; - d->handle(LOCOMO_IRQ_KEY_START, d, regs); + desc_handle_irq(LOCOMO_IRQ_KEY_START, d, regs); } } @@ -273,7 +272,7 @@ d = irq_desc + LOCOMO_IRQ_GPIO_START; for (i = 0; i <= 15; i++, irq++, d++) { if (req & (0x0001 << i)) { - d->handle(irq, d, regs); + desc_handle_irq(irq, d, regs); } } } @@ -328,7 +327,7 @@ if (locomo_readl(mapbase + LOCOMO_LTINT) & 0x0001) { d = irq_desc + LOCOMO_IRQ_LT_START; - d->handle(LOCOMO_IRQ_LT_START, d, regs); + desc_handle_irq(LOCOMO_IRQ_LT_START, d, regs); } } @@ -379,7 +378,7 @@ for (i = 0; i <= 3; i++, irq++, d++) { if (req & (0x0001 << i)) { - d->handle(irq, d, regs); + desc_handle_irq(irq, d, regs); } } } @@ -541,6 +540,95 @@ return ret; } +#ifdef CONFIG_PM + +struct locomo_save_data { + u16 LCM_GPO; + u16 LCM_SPICT; + u16 LCM_GPE; + u16 LCM_ASD; + u16 LCM_SPIMD; +}; + +static int locomo_suspend(struct platform_device *dev, pm_message_t state) +{ + struct locomo *lchip = platform_get_drvdata(dev); + struct locomo_save_data *save; + unsigned long flags; + + save = kmalloc(sizeof(struct locomo_save_data), GFP_KERNEL); + if (!save) + return -ENOMEM; + + dev->dev.power.saved_state = (void *) save; + + spin_lock_irqsave(&lchip->lock, flags); + + save->LCM_GPO = locomo_readl(lchip->base + LOCOMO_GPO); /* GPIO */ + locomo_writel(0x00, lchip->base + LOCOMO_GPO); + save->LCM_SPICT = locomo_readl(lchip->base + LOCOMO_SPICT); /* SPI */ + locomo_writel(0x40, lchip->base + LOCOMO_SPICT); + save->LCM_GPE = locomo_readl(lchip->base + LOCOMO_GPE); /* GPIO */ + locomo_writel(0x00, lchip->base + LOCOMO_GPE); + save->LCM_ASD = locomo_readl(lchip->base + LOCOMO_ASD); /* ADSTART */ + locomo_writel(0x00, lchip->base + LOCOMO_ASD); + save->LCM_SPIMD = locomo_readl(lchip->base + LOCOMO_SPIMD); /* SPI */ + locomo_writel(0x3C14, lchip->base + LOCOMO_SPIMD); + + locomo_writel(0x00, lchip->base + LOCOMO_PAIF); + locomo_writel(0x00, lchip->base + LOCOMO_DAC); + locomo_writel(0x00, lchip->base + LOCOMO_BACKLIGHT + LOCOMO_TC); + + if ( (locomo_readl(lchip->base + LOCOMO_LED + LOCOMO_LPT0) & 0x88) && (locomo_readl(lchip->base + LOCOMO_LED + LOCOMO_LPT1) & 0x88) ) + locomo_writel(0x00, lchip->base + LOCOMO_C32K); /* CLK32 off */ + else + /* 18MHz already enabled, so no wait */ + locomo_writel(0xc1, lchip->base + LOCOMO_C32K); /* CLK32 on */ + + locomo_writel(0x00, lchip->base + LOCOMO_TADC); /* 18MHz clock off*/ + locomo_writel(0x00, lchip->base + LOCOMO_AUDIO + LOCOMO_ACC); /* 22MHz/24MHz clock off */ + locomo_writel(0x00, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALS); /* FL */ + + spin_unlock_irqrestore(&lchip->lock, flags); + + return 0; +} + +static int locomo_resume(struct platform_device *dev) +{ + struct locomo *lchip = platform_get_drvdata(dev); + struct locomo_save_data *save; + unsigned long r; + unsigned long flags; + + save = (struct locomo_save_data *) dev->dev.power.saved_state; + if (!save) + return 0; + + spin_lock_irqsave(&lchip->lock, flags); + + locomo_writel(save->LCM_GPO, lchip->base + LOCOMO_GPO); + locomo_writel(save->LCM_SPICT, lchip->base + LOCOMO_SPICT); + locomo_writel(save->LCM_GPE, lchip->base + LOCOMO_GPE); + locomo_writel(save->LCM_ASD, lchip->base + LOCOMO_ASD); + locomo_writel(save->LCM_SPIMD, lchip->base + LOCOMO_SPIMD); + + locomo_writel(0x00, lchip->base + LOCOMO_C32K); + locomo_writel(0x90, lchip->base + LOCOMO_TADC); + + locomo_writel(0, lchip->base + LOCOMO_KEYBOARD + LOCOMO_KSC); + r = locomo_readl(lchip->base + LOCOMO_KEYBOARD + LOCOMO_KIC); + r &= 0xFEFF; + locomo_writel(r, lchip->base + LOCOMO_KEYBOARD + LOCOMO_KIC); + locomo_writel(0x1, lchip->base + LOCOMO_KEYBOARD + LOCOMO_KCMD); + + spin_unlock_irqrestore(&lchip->lock, flags); + kfree(save); + + return 0; +} +#endif + /** * locomo_probe - probe for a single LoCoMo chip. * @phys_addr: physical address of device. @@ -651,15 +739,15 @@ return ret; } -static void __locomo_remove(struct locomo *lchip) +static int locomo_remove_child(struct device *dev, void *data) { - struct list_head *l, *n; - - list_for_each_safe(l, n, &lchip->dev->children) { - struct device *d = list_to_dev(l); + device_unregister(dev); + return 0; +} - device_unregister(d); - } +static void __locomo_remove(struct locomo *lchip) +{ + device_for_each_child(lchip->dev, NULL, locomo_remove_child); if (lchip->irq != NO_IRQ) { set_irq_chained_handler(lchip->irq, NULL); @@ -670,27 +758,26 @@ kfree(lchip); } -static int locomo_probe(struct device *dev) +static int locomo_probe(struct platform_device *dev) { - struct platform_device *pdev = to_platform_device(dev); struct resource *mem; int irq; - mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + mem = platform_get_resource(dev, IORESOURCE_MEM, 0); if (!mem) return -EINVAL; - irq = platform_get_irq(pdev, 0); + irq = platform_get_irq(dev, 0); - return __locomo_probe(dev, mem, irq); + return __locomo_probe(&dev->dev, mem, irq); } -static int locomo_remove(struct device *dev) +static int locomo_remove(struct platform_device *dev) { - struct locomo *lchip = dev_get_drvdata(dev); + struct locomo *lchip = platform_get_drvdata(dev); if (lchip) { __locomo_remove(lchip); - dev_set_drvdata(dev, NULL); + platform_set_drvdata(dev, NULL); } return 0; @@ -702,11 +789,16 @@ * the per-machine level, and then have this driver pick * up the registered devices. */ -static struct device_driver locomo_device_driver = { - .name = "locomo", - .bus = &platform_bus_type, +static struct platform_driver locomo_device_driver = { .probe = locomo_probe, .remove = locomo_remove, +#ifdef CONFIG_PM + .suspend = locomo_suspend, + .resume = locomo_resume, +#endif + .driver = { + .name = "locomo", + }, }; /* @@ -1032,13 +1124,13 @@ { int ret = bus_register(&locomo_bus_type); if (ret == 0) - driver_register(&locomo_device_driver); + platform_driver_register(&locomo_device_driver); return ret; } static void __exit locomo_exit(void) { - driver_unregister(&locomo_device_driver); + platform_driver_unregister(&locomo_device_driver); bus_unregister(&locomo_bus_type); } Index: scoop.c =================================================================== RCS file: /cvsroot/netnice/Linux/arch/arm/common/scoop.c,v retrieving revision 1.1.1.1 retrieving revision 1.1.1.1.6.1 diff -u -d -r1.1.1.1 -r1.1.1.1.6.1 --- scoop.c 5 Nov 2005 19:52:15 -0000 1.1.1.1 +++ scoop.c 16 Feb 2006 10:13:12 -0000 1.1.1.1.6.1 @@ -12,6 +12,8 @@ */ #include <linux/device.h> +#include <linux/string.h> +#include <linux/platform_device.h> #include <asm/io.h> #include <asm/hardware/scoop.h> @@ -20,6 +22,8 @@ struct scoop_dev { void *base; spinlock_t scoop_lock; + unsigned short suspend_clr; + unsigned short suspend_set; u32 scoop_gpwr; }; @@ -84,25 +88,34 @@ EXPORT_SYMBOL(read_scoop_reg); EXPORT_SYMBOL(write_scoop_reg); +static void check_scoop_reg(struct scoop_dev *sdev) +{ + unsigned short mcr; + + mcr = SCOOP_REG(sdev->base, SCOOP_MCR); + if ((mcr & 0x100) == 0) + SCOOP_REG(sdev->base, SCOOP_MCR) = 0x0101; +} + #ifdef CONFIG_PM -static int scoop_suspend(struct device *dev, uint32_t state, uint32_t level) +static int scoop_suspend(struct platform_device *dev, pm_message_t state) { - if (level == SUSPEND_POWER_DOWN) { - struct scoop_dev *sdev = dev_get_drvdata(dev); + struct scoop_dev *sdev = platform_get_drvdata(dev); + + check_scoop_reg(sdev); + sdev->scoop_gpwr = SCOOP_REG(sdev->base, SCOOP_GPWR); + SCOOP_REG(sdev->base, SCOOP_GPWR) = (sdev->scoop_gpwr & ~sdev->suspend_clr) | sdev->suspend_set; - sdev->scoop_gpwr = SCOOP_REG(sdev->base,SCOOP_GPWR); - SCOOP_REG(sdev->base,SCOOP_GPWR) = 0; - } return 0; } -static int scoop_resume(struct device *dev, uint32_t level) +static int scoop_resume(struct platform_device *dev) { - if (level == RESUME_POWER_ON) { - struct scoop_dev *sdev = dev_get_drvdata(dev); + struct scoop_dev *sdev = platform_get_drvdata(dev); + + check_scoop_reg(sdev); + SCOOP_REG(sdev->base,SCOOP_GPWR) = sdev->scoop_gpwr; - SCOOP_REG(sdev->base,SCOOP_GPWR) = sdev->scoop_gpwr; - } return 0; } #else @@ -110,11 +123,10 @@ #define scoop_resume NULL #endif -int __init scoop_probe(struct device *dev) +int __init scoop_probe(struct platform_device *pdev) { struct scoop_dev *devptr; struct scoop_config *inf; - struct platform_device *pdev = to_platform_device(dev); struct resource *mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!mem) @@ -128,7 +140,7 @@ memset(devptr, 0, sizeof(struct scoop_dev)); spin_lock_init(&devptr->scoop_lock); - inf = dev->platform_data; + inf = pdev->dev.platform_data; devptr->base = ioremap(mem->start, mem->end - mem->start + 1); if (!devptr->base) { @@ -136,41 +148,45 @@ return -ENOMEM; } - dev_set_drvdata(dev, devptr); + platform_set_drvdata(pdev, devptr); printk("Sharp Scoop Device found at 0x%08x -> 0x%08x\n",(unsigned int)mem->start,(unsigned int)devptr->base); SCOOP_REG(devptr->base, SCOOP_MCR) = 0x0140; - reset_scoop(dev); + reset_scoop(&pdev->dev); SCOOP_REG(devptr->base, SCOOP_GPCR) = inf->io_dir & 0xffff; SCOOP_REG(devptr->base, SCOOP_GPWR) = inf->io_out & 0xffff; + devptr->suspend_clr = inf->suspend_clr; + devptr->suspend_set = inf->suspend_set; + return 0; } -static int scoop_remove(struct device *dev) +static int scoop_remove(struct platform_device *pdev) { - struct scoop_dev *sdev = dev_get_drvdata(dev); + struct scoop_dev *sdev = platform_get_drvdata(pdev); if (sdev) { iounmap(sdev->base); kfree(sdev); - dev_set_drvdata(dev, NULL); + platform_set_drvdata(pdev, NULL); } return 0; } -static struct device_driver scoop_driver = { - .name = "sharp-scoop", - .bus = &platform_bus_type, +static struct platform_driver scoop_driver = { .probe = scoop_probe, .remove = scoop_remove, .suspend = scoop_suspend, .resume = scoop_resume, + .driver = { + .name = "sharp-scoop", + }, }; int __init scoop_init(void) { - return driver_register(&scoop_driver); + return platform_driver_register(&scoop_driver); } subsys_initcall(scoop_init); Index: sa1111.c =================================================================== RCS file: /cvsroot/netnice/Linux/arch/arm/common/sa1111.c,v retrieving revision 1.1.1.2 retrieving revision 1.1.1.2.6.1 diff -u -d -r1.1.1.2 -r1.1.1.2.6.1 --- sa1111.c 5 Nov 2005 19:52:15 -0000 1.1.1.2 +++ sa1111.c 16 Feb 2006 10:13:12 -0000 1.1.1.2.6.1 @@ -22,7 +22,7 @@ #include <linux/ptrace.h> #include <linux/errno.h> #include <linux/ioport.h> -#include <linux/device.h> +#include <linux/platform_device.h> #include <linux/slab.h> #include <linux/spinlock.h> #include <linux/dma-mapping.h> @@ -32,6 +32,7 @@ #include <asm/io.h> #include <asm/irq.h> #include <asm/mach/irq.h> +#include <asm/sizes.h> #include <asm/hardware/sa1111.h> @@ -132,6 +133,17 @@ }, }; +void __init sa1111_adjust_zones(int node, unsigned long *size, unsigned long *holes) +{ + unsigned int sz = SZ_1M >> PAGE_SHIFT; + + if (node != 0) + sz = 0; + + size[1] = size[0] - sz; + size[0] = sz; +} + /* * SA1111 interrupt support. Since clearing an IRQ while there are * active IRQs causes the interrupt output to pulse, the upper levels @@ -268,8 +280,8 @@ .mask = sa1111_mask_lowirq, .unmask = sa1111_unmask_lowirq, .retrigger = sa1111_retrigger_lowirq, - .type = sa1111_type_lowirq, - .wake = sa1111_wake_lowirq, + .set_type = sa1111_type_lowirq, + .set_wake = sa1111_wake_lowirq, }; static void sa1111_mask_highirq(unsigned int irq) @@ -364,8 +376,8 @@ .mask = sa1111_mask_highirq, .unmask = sa1111_unmask_highirq, .retrigger = sa1111_retrigger_highirq, - .type = sa1111_type_highirq, - .wake = sa1111_wake_highirq, + .set_type = sa1111_type_highirq, + .set_wake = sa1111_wake_highirq, }; static void sa1111_setup_irq(struct sa1111 *sachip) @@ -721,16 +733,17 @@ return ret; } +static int sa1111_remove_one(struct device *dev, void *data) +{ + device_unregister(dev); + return 0; +} + static void __sa1111_remove(struct sa1111 *sachip) { - struct list_head *l, *n; void __iomem *irqbase = sachip->base + SA1111_INTC; - list_for_each_safe(l, n, &sachip->dev->children) { - struct device *d = list_to_dev(l); - - device_unregister(d); - } + device_for_each_child(sachip->dev, NULL, sa1111_remove_one); /* disable all IRQs */ sa1111_writel(0, irqbase + SA1111_INTEN0); @@ -800,21 +813,18 @@ #ifdef CONFIG_PM -static int sa1111_suspend(struct device *dev, pm_message_t state, u32 level) +static int sa1111_suspend(struct platform_device *dev, pm_message_t state) { - struct sa1111 *sachip = dev_get_drvdata(dev); + struct sa1111 *sachip = platform_get_drvdata(dev); struct sa1111_save_data *save; unsigned long flags; unsigned int val; void __iomem *base; - if (level != SUSPEND_DISABLE) - return 0; - save = kmalloc(sizeof(struct sa1111_save_data), GFP_KERNEL); if (!save) return -ENOMEM; - dev->power.saved_state = save; + dev->dev.power.saved_state = save; spin_lock_irqsave(&sachip->lock, flags); @@ -855,24 +865,20 @@ /* * sa1111_resume - Restore the SA1111 device state. * @dev: device to restore - * @level: resume level * * Restore the general state of the SA1111; clock control and * interrupt controller. Other parts of the SA1111 must be * restored by their respective drivers, and must be called * via LDM after this function. */ -static int sa1111_resume(struct device *dev, u32 level) +static int sa1111_resume(struct platform_device *dev) { - struct sa1111 *sachip = dev_get_drvdata(dev); + struct sa1111 *sachip = platform_get_drvdata(dev); struct sa1111_save_data *save; unsigned long flags, id; void __iomem *base; - if (level != RESUME_ENABLE) - return 0; - - save = (struct sa1111_save_data *)dev->power.saved_state; + save = (struct sa1111_save_data *)dev->dev.power.saved_state; if (!save) return 0; @@ -885,7 +891,7 @@ id = sa1111_readl(sachip->base + SA1111_SKID); if ((id & SKID_ID_MASK) != SKID_SA1111_ID) { __sa1111_remove(sachip); - dev_set_drvdata(dev, NULL); + platform_set_drvdata(dev, NULL); kfree(save); return 0; } @@ -917,7 +923,7 @@ spin_unlock_irqrestore(&sachip->lock, flags); - dev->power.saved_state = NULL; + dev->dev.power.saved_state = NULL; kfree(save); return 0; @@ -928,9 +934,8 @@ #define sa1111_resume NULL #endif -static int sa1111_probe(struct device *dev) +static int sa1111_probe(struct platform_device *pdev) { - struct platform_device *pdev = to_platform_device(dev); struct resource *mem; int irq; @@ -939,20 +944,20 @@ return -EINVAL; irq = platform_get_irq(pdev, 0); - return __sa1111_probe(dev, mem, irq); + return __sa1111_probe(&pdev->dev, mem, irq); } -static int sa1111_remove(struct device *dev) +static int sa1111_remove(struct platform_device *pdev) { - struct sa1111 *sachip = dev_get_drvdata(dev); + struct sa1111 *sachip = platform_get_drvdata(pdev); if (sachip) { __sa1111_remove(sachip); - dev_set_drvdata(dev, NULL); + platform_set_drvdata(pdev, NULL); #ifdef CONFIG_PM - kfree(dev->power.saved_state); - dev->power.saved_state = NULL; + kfree(pdev->dev.power.saved_state); + pdev->dev.power.saved_state = NULL; #endif } @@ -968,13 +973,14 @@ * We also need to handle the SDRAM configuration for * PXA250/SA1110 machine classes. */ -static struct device_driver sa1111_device_driver = { - .name = "sa1111", - .bus = &platform_bus_type, +static struct platform_driver sa1111_device_driver = { .probe = sa1111_probe, .remove = sa1111_remove, .suspend = sa1111_suspend, .resume = sa1111_resume, + .driver = { + .name = "sa1111", + }, }; /* @@ -1262,17 +1268,17 @@ { int ret = bus_register(&sa1111_bus_type); if (ret == 0) - driver_register(&sa1111_device_driver); + platform_driver_register(&sa1111_device_driver); return ret; } static void __exit sa1111_exit(void) { - driver_unregister(&sa1111_device_driver); + platform_driver_unregister(&sa1111_device_driver); bus_unregister(&sa1111_bus_type); } -module_init(sa1111_init); +subsys_initcall(sa1111_init); module_exit(sa1111_exit); MODULE_DESCRIPTION("Intel Corporation SA1111 core driver"); Index: Kconfig =================================================================== RCS file: /cvsroot/netnice/Linux/arch/arm/common/Kconfig,v retrieving revision 1.1.1.1 retrieving revision 1.1.1.1.6.1 diff -u -d -r1.1.1.1 -r1.1.1.1.6.1 --- Kconfig 5 Nov 2005 19:52:12 -0000 1.1.1.1 +++ Kconfig 16 Feb 2006 10:13:12 -0000 1.1.1.1.6.1 @@ -1,6 +1,9 @@ config ICST525 bool +config ARM_GIC + bool + config ICST307 bool |
