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C++ sbus_writel函数代码示例

本文整理汇总了C++中sbus_writel函数的典型用法代码示例。如果您正苦于以下问题:C++ sbus_writel函数的具体用法?C++ sbus_writel怎么用?C++ sbus_writel使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了sbus_writel函数的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: myri_do_handshake

static int myri_do_handshake(struct myri_eth *mp)
{
	struct myri_shmem __iomem *shmem = mp->shmem;
	void __iomem *cregs = mp->cregs;
	struct myri_channel __iomem *chan = &shmem->channel;
	int tick 			= 0;

	DET(("myri_do_handshake: "));
	if (sbus_readl(&chan->state) == STATE_READY) {
		DET(("Already STATE_READY, failed.\n"));
		return -1;	/* We're hosed... */
	}

	myri_disable_irq(mp->lregs, cregs);

	while (tick++ < 25) {
		u32 softstate;

		/* Wake it up. */
		DET(("shakedown, CONTROL_WON, "));
		sbus_writel(1, &shmem->shakedown);
		sbus_writel(CONTROL_WON, cregs + MYRICTRL_CTRL);

		softstate = sbus_readl(&chan->state);
		DET(("chanstate[%08x] ", softstate));
		if (softstate == STATE_READY) {
			DET(("wakeup successful, "));
			break;
		}

		if (softstate != STATE_WFN) {
			DET(("not WFN setting that, "));
			sbus_writel(STATE_WFN, &chan->state);
		}

		udelay(20);
	}

	myri_enable_irq(mp->lregs, cregs);

	if (tick > 25) {
		DET(("25 ticks we lose, failure.\n"));
		return -1;
	}
	DET(("success\n"));
	return 0;
}
开发者ID:E-LLP,项目名称:n900,代码行数:47,代码来源:myri_sbus.c

示例2: sun4m_unmask_profile_irq

void sun4m_unmask_profile_irq(void)
{
    unsigned long flags;

    local_irq_save(flags);
    sbus_writel(sun4m_imask[SUN4M_PROFILE_IRQ], &sun4m_irq_global->mask_clear);
    local_irq_restore(flags);
}
开发者ID:openube,项目名称:android_kernel_sony_c2305,代码行数:8,代码来源:sun4m_irq.c

示例3: sun4m_unmask_irq

static void sun4m_unmask_irq(struct irq_data *data)
{
    struct sun4m_handler_data *handler_data = data->handler_data;
    int cpu = smp_processor_id();

    if (handler_data->mask) {
        unsigned long flags;

        local_irq_save(flags);
        if (handler_data->percpu) {
            sbus_writel(handler_data->mask, &sun4m_irq_percpu[cpu]->clear);
        } else {
            sbus_writel(handler_data->mask, &sun4m_irq_global->mask_clear);
        }
        local_irq_restore(flags);
    }
}
开发者ID:openube,项目名称:android_kernel_sony_c2305,代码行数:17,代码来源:sun4m_irq.c

示例4: parport_sunbpp_disable_irq

static void parport_sunbpp_disable_irq(struct parport *p)
{
	struct bpp_regs *regs = (struct bpp_regs *)p->base;
	u32 tmp;

	tmp = sbus_readl(&regs->p_csr);
	tmp &= ~DMA_INT_ENAB;
	sbus_writel(tmp, &regs->p_csr);
}
开发者ID:SimonKagstrom,项目名称:mci500h-linux-2.4.27,代码行数:9,代码来源:parport_sunbpp.c

示例5: leo_setcursormap

static void leo_setcursormap (struct fb_info_sbusfb *fb, u8 *red, u8 *green, u8 *blue)
{
        struct leo_cursor *l = fb->s.leo.cursor;
	unsigned long flags;
	int i;

	spin_lock_irqsave(&fb->lock, flags);
	for (i = 0; (sbus_readl(&l->cur_misc) & LEO_CUR_PROGRESS) && i < 300000; i++)
		udelay (1); /* Busy wait at most 0.3 sec */
	if (i == 300000)
		goto out; /* Timed out - should we print some message? */
	sbus_writel(LEO_CUR_TYPE_CMAP, &l->cur_type);
	sbus_writel((red[0] | (green[0]<<8) | (blue[0]<<16)), &l->cur_data);
	sbus_writel((red[1] | (green[1]<<8) | (blue[1]<<16)), &l->cur_data);
	sbus_writel(LEO_CUR_UPDATECMAP, &l->cur_misc);
out:
	spin_unlock_irqrestore(&fb->lock, flags);
}
开发者ID:SimonKagstrom,项目名称:mci500h-linux-2.4.27,代码行数:18,代码来源:leofb.c

示例6: sun4m_init_IRQ

void __init sun4m_init_IRQ(void)
{
	struct device_node *dp = of_find_node_by_name(NULL, "interrupt");
	int len, i, mid, num_cpu_iregs;
	const u32 *addr;

	if (!dp) {
		printk(KERN_ERR "sun4m_init_IRQ: No 'interrupt' node.\n");
		return;
	}

	addr = of_get_property(dp, "address", &len);
	of_node_put(dp);
	if (!addr) {
		printk(KERN_ERR "sun4m_init_IRQ: No 'address' prop.\n");
		return;
	}

	num_cpu_iregs = (len / sizeof(u32)) - 1;
	for (i = 0; i < num_cpu_iregs; i++) {
		sun4m_irq_percpu[i] = (void __iomem *)
			(unsigned long) addr[i];
	}
	sun4m_irq_global = (void __iomem *)
		(unsigned long) addr[num_cpu_iregs];

	local_irq_disable();

	sbus_writel(~SUN4M_INT_MASKALL, &sun4m_irq_global->mask_set);
	for (i = 0; !cpu_find_by_instance(i, NULL, &mid); i++)
		sbus_writel(~0x17fff, &sun4m_irq_percpu[mid]->clear);

	if (num_cpu_iregs == 4)
		sbus_writel(0, &sun4m_irq_global->interrupt_target);

	sparc_config.init_timers      = sun4m_init_timers;
	sparc_config.build_device_irq = sun4m_build_device_irq;
	sparc_config.clock_rate       = SBUS_CLOCK_RATE;
	sparc_config.clear_clock_irq  = sun4m_clear_clock_irq;
	sparc_config.load_profile_irq = sun4m_load_profile_irq;


	/* Cannot enable interrupts until OBP ticker is disabled. */
}
开发者ID:03199618,项目名称:linux,代码行数:44,代码来源:sun4m_irq.c

示例7: uctrl_probe

static int __devinit uctrl_probe(struct of_device *op,
				 const struct of_device_id *match)
{
	struct uctrl_driver *p;
	int err = -ENOMEM;

	p = kzalloc(sizeof(*p), GFP_KERNEL);
	if (!p) {
		printk(KERN_ERR "uctrl: Unable to allocate device struct.\n");
		goto out;
	}

	p->regs = of_ioremap(&op->resource[0], 0,
			     resource_size(&op->resource[0]),
			     "uctrl");
	if (!p->regs) {
		printk(KERN_ERR "uctrl: Unable to map registers.\n");
		goto out_free;
	}

	p->irq = op->irqs[0];
	err = request_irq(p->irq, uctrl_interrupt, 0, "uctrl", p);
	if (err) {
		printk(KERN_ERR "uctrl: Unable to register irq.\n");
		goto out_iounmap;
	}

	err = misc_register(&uctrl_dev);
	if (err) {
		printk(KERN_ERR "uctrl: Unable to register misc device.\n");
		goto out_free_irq;
	}

	sbus_writel(UCTRL_INTR_RXNE_REQ|UCTRL_INTR_RXNE_MSK, &p->regs->uctrl_intr);
	printk(KERN_INFO "%s: uctrl regs[0x%p] (irq %d)\n",
	       op->dev.of_node->full_name, p->regs, p->irq);
	uctrl_get_event_status(p);
	uctrl_get_external_status(p);

	dev_set_drvdata(&op->dev, p);
	global_driver = p;

out:
	return err;

out_free_irq:
	free_irq(p->irq, p);

out_iounmap:
	of_iounmap(&op->resource[0], p->regs, resource_size(&op->resource[0]));

out_free:
	kfree(p);
	goto out;
}
开发者ID:debugevery,项目名称:android-kernel-samsung-dev,代码行数:55,代码来源:uctrl.c

示例8: leo_restore_palette

static void leo_restore_palette (struct fb_info_sbusfb *fb)
{
	u32 tmp;
	unsigned long flags;

	spin_lock_irqsave(&fb->lock, flags);
	tmp = sbus_readl(&fb->s.leo.ld_ss1->ss1_misc);
	tmp &= ~(LEO_SS1_MISC_ENABLE);
	sbus_writel(tmp, &fb->s.leo.ld_ss1->ss1_misc);
	spin_unlock_irqrestore(&fb->lock, flags);
}
开发者ID:SimonKagstrom,项目名称:mci500h-linux-2.4.27,代码行数:11,代码来源:leofb.c

示例9: leo_init_hw

static void leo_init_hw(struct fb_info *info)
{
	struct leo_par *par = (struct leo_par *) info->par;
	u32 val;

	val = sbus_readl(&par->ld_ss1->ss1_misc);
	val |= LEO_SS1_MISC_ENABLE;
	sbus_writel(val, &par->ld_ss1->ss1_misc);

	leo_switch_from_graph(info);
}
开发者ID:PennPanda,项目名称:linux-repo,代码行数:11,代码来源:leo.c

示例10: bigmac_get_counters

static void bigmac_get_counters(struct bigmac *bp, void __iomem *bregs)
{
	struct net_device_stats *stats = &bp->enet_stats;

	stats->rx_crc_errors += sbus_readl(bregs + BMAC_RCRCECTR);
	sbus_writel(0, bregs + BMAC_RCRCECTR);

	stats->rx_frame_errors += sbus_readl(bregs + BMAC_UNALECTR);
	sbus_writel(0, bregs + BMAC_UNALECTR);

	stats->rx_length_errors += sbus_readl(bregs + BMAC_GLECTR);
	sbus_writel(0, bregs + BMAC_GLECTR);

	stats->tx_aborted_errors += sbus_readl(bregs + BMAC_EXCTR);

	stats->collisions +=
		(sbus_readl(bregs + BMAC_EXCTR) +
		 sbus_readl(bregs + BMAC_LTCTR));
	sbus_writel(0, bregs + BMAC_EXCTR);
	sbus_writel(0, bregs + BMAC_LTCTR);
}
开发者ID:119-org,项目名称:hi3518-osdrv,代码行数:21,代码来源:sunbmac.c

示例11: myri_init_rings

static void myri_init_rings(struct myri_eth *mp, int from_irq)
{
	struct recvq __iomem *rq = mp->rq;
	struct myri_rxd __iomem *rxd = &rq->myri_rxd[0];
	struct net_device *dev = mp->dev;
	gfp_t gfp_flags = GFP_KERNEL;
	int i;

	if (from_irq || in_interrupt())
		gfp_flags = GFP_ATOMIC;

	myri_clean_rings(mp);
	for (i = 0; i < RX_RING_SIZE; i++) {
		struct sk_buff *skb = myri_alloc_skb(RX_ALLOC_SIZE, gfp_flags);
		u32 dma_addr;

		if (!skb)
			continue;
		mp->rx_skbs[i] = skb;
		skb->dev = dev;
		skb_put(skb, RX_ALLOC_SIZE);

		dma_addr = dma_map_single(&mp->myri_op->dev,
					  skb->data, RX_ALLOC_SIZE,
					  DMA_FROM_DEVICE);
		sbus_writel(dma_addr, &rxd[i].myri_scatters[0].addr);
		sbus_writel(RX_ALLOC_SIZE, &rxd[i].myri_scatters[0].len);
		sbus_writel(i, &rxd[i].ctx);
		sbus_writel(1, &rxd[i].num_sg);
	}
	sbus_writel(0, &rq->head);
	sbus_writel(RX_RING_SIZE, &rq->tail);
}
开发者ID:nos1609,项目名称:Chrono_Kernel-1,代码行数:33,代码来源:myri_sbus.c

示例12: leo_switch_from_graph

static void leo_switch_from_graph (struct fb_info_sbusfb *fb)
{
	register struct leo_lc_ss0_usr *us = fb->s.leo.lc_ss0_usr;
	register struct leo_ld *ss = (struct leo_ld *) fb->s.leo.ld_ss0;
	unsigned long flags;

	spin_lock_irqsave(&fb->lock, flags);
	sbus_writel(0xffffffff, &ss->wid);
	sbus_writel(0xffff, &ss->wmask);
	sbus_writel(0, &ss->vclipmin);
	sbus_writel(fb->s.leo.extent, &ss->vclipmax);
	sbus_writel(0xff000000, &ss->planemask);
	sbus_writel(0x310850, &ss->rop);
	sbus_writel(0, &ss->widclip);
	sbus_writel(4, &us->addrspace);
	sbus_writel(0, &us->fontt);
	spin_unlock_irqrestore(&fb->lock, flags);
}
开发者ID:SimonKagstrom,项目名称:mci500h-linux-2.4.27,代码行数:18,代码来源:leofb.c

示例13: write_tcvr_bit

static void write_tcvr_bit(struct bigmac *bp, void __iomem *tregs, int bit)
{
	if (bp->tcvr_type == internal) {
		bit = (bit & 1) << 3;
		sbus_writel(bit | (MGMT_PAL_OENAB | MGMT_PAL_EXT_MDIO),
			    tregs + TCVR_MPAL);
		sbus_readl(tregs + TCVR_MPAL);
		sbus_writel(bit | MGMT_PAL_OENAB | MGMT_PAL_EXT_MDIO | MGMT_PAL_DCLOCK,
			    tregs + TCVR_MPAL);
		sbus_readl(tregs + TCVR_MPAL);
	} else if (bp->tcvr_type == external) {
		bit = (bit & 1) << 2;
		sbus_writel(bit | MGMT_PAL_INT_MDIO | MGMT_PAL_OENAB,
			    tregs + TCVR_MPAL);
		sbus_readl(tregs + TCVR_MPAL);
		sbus_writel(bit | MGMT_PAL_INT_MDIO | MGMT_PAL_OENAB | MGMT_PAL_DCLOCK,
			    tregs + TCVR_MPAL);
		sbus_readl(tregs + TCVR_MPAL);
	} else {
		printk(KERN_ERR "write_tcvr_bit: No transceiver type known!\n");
	}
}
开发者ID:119-org,项目名称:hi3518-osdrv,代码行数:22,代码来源:sunbmac.c

示例14: myri_clean_rings

static void myri_clean_rings(struct myri_eth *mp)
{
	struct sendq __iomem *sq = mp->sq;
	struct recvq __iomem *rq = mp->rq;
	int i;

	sbus_writel(0, &rq->tail);
	sbus_writel(0, &rq->head);
	for (i = 0; i < (RX_RING_SIZE+1); i++) {
		if (mp->rx_skbs[i] != NULL) {
			struct myri_rxd __iomem *rxd = &rq->myri_rxd[i];
			u32 dma_addr;

			dma_addr = sbus_readl(&rxd->myri_scatters[0].addr);
			dma_unmap_single(&mp->myri_op->dev, dma_addr,
					 RX_ALLOC_SIZE, DMA_FROM_DEVICE);
			dev_kfree_skb(mp->rx_skbs[i]);
			mp->rx_skbs[i] = NULL;
		}
	}

	mp->tx_old = 0;
	sbus_writel(0, &sq->tail);
	sbus_writel(0, &sq->head);
	for (i = 0; i < TX_RING_SIZE; i++) {
		if (mp->tx_skbs[i] != NULL) {
			struct sk_buff *skb = mp->tx_skbs[i];
			struct myri_txd __iomem *txd = &sq->myri_txd[i];
			u32 dma_addr;

			dma_addr = sbus_readl(&txd->myri_gathers[0].addr);
			dma_unmap_single(&mp->myri_op->dev, dma_addr,
					 (skb->len + 3) & ~3,
					 DMA_TO_DEVICE);
			dev_kfree_skb(mp->tx_skbs[i]);
			mp->tx_skbs[i] = NULL;
		}
	}
}
开发者ID:nos1609,项目名称:Chrono_Kernel-1,代码行数:39,代码来源:myri_sbus.c

示例15: leo_setcursor

/* Load cursor information */
static void leo_setcursor (struct fb_info_sbusfb *fb)
{
	struct cg_cursor *c = &fb->cursor;
	struct leo_cursor *l = fb->s.leo.cursor;
	unsigned long flags;
	u32 tmp;

	spin_lock_irqsave(&fb->lock, flags);
	tmp = sbus_readl(&l->cur_misc);
	tmp &= ~LEO_CUR_ENABLE;
	sbus_writel(tmp, &l->cur_misc);

	sbus_writel(((c->cpos.fbx - c->chot.fbx) & 0x7ff) |
		    (((c->cpos.fby - c->chot.fby) & 0x7ff) << 11),
		    &l->cur_cursxy);

	tmp = sbus_readl(&l->cur_misc);
	tmp |= LEO_CUR_UPDATE;
	if (c->enable)
		tmp |= LEO_CUR_ENABLE;
	sbus_writel(tmp, &l->cur_misc);
	spin_unlock_irqrestore(&fb->lock, flags);
}
开发者ID:SimonKagstrom,项目名称:mci500h-linux-2.4.27,代码行数:24,代码来源:leofb.c


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