104 static u32 gisb_read(struct brcmstb_gisb_arb_device *gdev, int reg)  in gisb_read()  argument
106 	int offset = gdev->gisb_offsets[reg];  in gisb_read()
112 	if (gdev->big_endian)  in gisb_read()
113 		return ioread32be(gdev->base + offset);  in gisb_read()
115 		return ioread32(gdev->base + offset);  in gisb_read()
118 static void gisb_write(struct brcmstb_gisb_arb_device *gdev, u32 val, int reg)  in gisb_write()  argument
120 	int offset = gdev->gisb_offsets[reg];  in gisb_write()
125 	if (gdev->big_endian)  in gisb_write()
126 		iowrite32be(val, gdev->base + reg);  in gisb_write()
128 		iowrite32(val, gdev->base + reg);  in gisb_write()
136 	struct brcmstb_gisb_arb_device *gdev = platform_get_drvdata(pdev);  in gisb_arb_get_timeout()  local
139 	mutex_lock(&gdev->lock);  in gisb_arb_get_timeout()
140 	timeout = gisb_read(gdev, ARB_TIMER);  in gisb_arb_get_timeout()
141 	mutex_unlock(&gdev->lock);  in gisb_arb_get_timeout()
151 	struct brcmstb_gisb_arb_device *gdev = platform_get_drvdata(pdev);  in gisb_arb_set_timeout()  local
161 	mutex_lock(&gdev->lock);  in gisb_arb_set_timeout()
162 	gisb_write(gdev, val, ARB_TIMER);  in gisb_arb_set_timeout()
163 	mutex_unlock(&gdev->lock);  in gisb_arb_set_timeout()
169 brcmstb_gisb_master_to_str(struct brcmstb_gisb_arb_device *gdev,  in brcmstb_gisb_master_to_str()  argument
172 	u32 mask = gdev->valid_mask & masters;  in brcmstb_gisb_master_to_str()
177 	return gdev->master_names[ffs(mask) - 1];  in brcmstb_gisb_master_to_str()
180 static int brcmstb_gisb_arb_decode_addr(struct brcmstb_gisb_arb_device *gdev,  in brcmstb_gisb_arb_decode_addr()  argument
189 	cap_status = gisb_read(gdev, ARB_ERR_CAP_STATUS);  in brcmstb_gisb_arb_decode_addr()
196 	arb_addr = gisb_read(gdev, ARB_ERR_CAP_ADDR) & 0xffffffff;  in brcmstb_gisb_arb_decode_addr()
198 	arb_addr |= (u64)gisb_read(gdev, ARB_ERR_CAP_HI_ADDR) << 32;  in brcmstb_gisb_arb_decode_addr()
200 	master = gisb_read(gdev, ARB_ERR_CAP_MASTER);  in brcmstb_gisb_arb_decode_addr()
202 	m_name = brcmstb_gisb_master_to_str(gdev, master);  in brcmstb_gisb_arb_decode_addr()
215 	gisb_write(gdev, ARB_ERR_CAP_CLEAR, ARB_ERR_CAP_CLR);  in brcmstb_gisb_arb_decode_addr()
225 	struct brcmstb_gisb_arb_device *gdev;  in brcmstb_bus_error_handler()  local
228 	list_for_each_entry(gdev, &brcmstb_gisb_arb_device_list, next)  in brcmstb_bus_error_handler()
229 		ret |= brcmstb_gisb_arb_decode_addr(gdev, "bus error");  in brcmstb_bus_error_handler()
279 	struct brcmstb_gisb_arb_device *gdev;  in brcmstb_gisb_arb_probe()  local
290 	gdev = devm_kzalloc(&pdev->dev, sizeof(*gdev), GFP_KERNEL);  in brcmstb_gisb_arb_probe()
291 	if (!gdev)  in brcmstb_gisb_arb_probe()
294 	mutex_init(&gdev->lock);  in brcmstb_gisb_arb_probe()
295 	INIT_LIST_HEAD(&gdev->next);  in brcmstb_gisb_arb_probe()
297 	gdev->base = devm_ioremap_resource(&pdev->dev, r);  in brcmstb_gisb_arb_probe()
298 	if (IS_ERR(gdev->base))  in brcmstb_gisb_arb_probe()
299 		return PTR_ERR(gdev->base);  in brcmstb_gisb_arb_probe()
306 	gdev->gisb_offsets = of_id->data;  in brcmstb_gisb_arb_probe()
307 	gdev->big_endian = of_device_is_big_endian(dn);  in brcmstb_gisb_arb_probe()
311 				gdev);  in brcmstb_gisb_arb_probe()
317 				gdev);  in brcmstb_gisb_arb_probe()
323 				&gdev->valid_mask))  in brcmstb_gisb_arb_probe()
324 		gdev->valid_mask = 0xffffffff;  in brcmstb_gisb_arb_probe()
331 	if (hweight_long(gdev->valid_mask) == num_masters) {  in brcmstb_gisb_arb_probe()
332 		first = ffs(gdev->valid_mask) - 1;  in brcmstb_gisb_arb_probe()
333 		last = fls(gdev->valid_mask) - 1;  in brcmstb_gisb_arb_probe()
336 			if (!(gdev->valid_mask & BIT(i)))  in brcmstb_gisb_arb_probe()
341 					&gdev->master_names[i]);  in brcmstb_gisb_arb_probe()
350 	platform_set_drvdata(pdev, gdev);  in brcmstb_gisb_arb_probe()
352 	list_add_tail(&gdev->next, &brcmstb_gisb_arb_device_list);  in brcmstb_gisb_arb_probe()
360 			gdev->base, timeout_irq, tea_irq);  in brcmstb_gisb_arb_probe()
369 	struct brcmstb_gisb_arb_device *gdev = platform_get_drvdata(pdev);  in brcmstb_gisb_arb_suspend()  local
371 	gdev->saved_timeout = gisb_read(gdev, ARB_TIMER);  in brcmstb_gisb_arb_suspend()
382 	struct brcmstb_gisb_arb_device *gdev = platform_get_drvdata(pdev);  in brcmstb_gisb_arb_resume_noirq()  local
384 	gisb_write(gdev, gdev->saved_timeout, ARB_TIMER);  in brcmstb_gisb_arb_resume_noirq()