108 static u32 gisb_read(struct brcmstb_gisb_arb_device *gdev, int reg)  in gisb_read()  argument
110 	int offset = gdev->gisb_offsets[reg];  in gisb_read()
120 	if (gdev->big_endian)  in gisb_read()
121 		return ioread32be(gdev->base + offset);  in gisb_read()
123 		return ioread32(gdev->base + offset);  in gisb_read()
126 static u64 gisb_read_address(struct brcmstb_gisb_arb_device *gdev)  in gisb_read_address()  argument
130 	value = gisb_read(gdev, ARB_ERR_CAP_ADDR);  in gisb_read_address()
131 	value |= (u64)gisb_read(gdev, ARB_ERR_CAP_HI_ADDR) << 32;  in gisb_read_address()
136 static void gisb_write(struct brcmstb_gisb_arb_device *gdev, u32 val, int reg)  in gisb_write()  argument
138 	int offset = gdev->gisb_offsets[reg];  in gisb_write()
143 	if (gdev->big_endian)  in gisb_write()
144 		iowrite32be(val, gdev->base + offset);  in gisb_write()
146 		iowrite32(val, gdev->base + offset);  in gisb_write()
154 	struct brcmstb_gisb_arb_device *gdev = platform_get_drvdata(pdev);  in gisb_arb_get_timeout()  local
157 	mutex_lock(&gdev->lock);  in gisb_arb_get_timeout()
158 	timeout = gisb_read(gdev, ARB_TIMER);  in gisb_arb_get_timeout()
159 	mutex_unlock(&gdev->lock);  in gisb_arb_get_timeout()
169 	struct brcmstb_gisb_arb_device *gdev = platform_get_drvdata(pdev);  in gisb_arb_set_timeout()  local
179 	mutex_lock(&gdev->lock);  in gisb_arb_set_timeout()
180 	gisb_write(gdev, val, ARB_TIMER);  in gisb_arb_set_timeout()
181 	mutex_unlock(&gdev->lock);  in gisb_arb_set_timeout()
187 brcmstb_gisb_master_to_str(struct brcmstb_gisb_arb_device *gdev,  in brcmstb_gisb_master_to_str()  argument
190 	u32 mask = gdev->valid_mask & masters;  in brcmstb_gisb_master_to_str()
195 	return gdev->master_names[ffs(mask) - 1];  in brcmstb_gisb_master_to_str()
198 static int brcmstb_gisb_arb_decode_addr(struct brcmstb_gisb_arb_device *gdev,  in brcmstb_gisb_arb_decode_addr()  argument
207 	cap_status = gisb_read(gdev, ARB_ERR_CAP_STATUS);  in brcmstb_gisb_arb_decode_addr()
214 	arb_addr = gisb_read_address(gdev);  in brcmstb_gisb_arb_decode_addr()
215 	master = gisb_read(gdev, ARB_ERR_CAP_MASTER);  in brcmstb_gisb_arb_decode_addr()
217 	m_name = brcmstb_gisb_master_to_str(gdev, master);  in brcmstb_gisb_arb_decode_addr()
230 	gisb_write(gdev, ARB_ERR_CAP_CLEAR, ARB_ERR_CAP_CLR);  in brcmstb_gisb_arb_decode_addr()
239 	struct brcmstb_gisb_arb_device *gdev;  in brcmstb_bus_error_handler()  local
242 	list_for_each_entry(gdev, &brcmstb_gisb_arb_device_list, next) {  in brcmstb_bus_error_handler()
243 		cap_status = gisb_read(gdev, ARB_ERR_CAP_STATUS);  in brcmstb_bus_error_handler()
251 		ret |= brcmstb_gisb_arb_decode_addr(gdev, "bus error");  in brcmstb_bus_error_handler()
289 	struct brcmstb_gisb_arb_device *gdev;  in dump_gisb_error()  local
296 	list_for_each_entry(gdev, &brcmstb_gisb_arb_device_list, next)  in dump_gisb_error()
297 		brcmstb_gisb_arb_decode_addr(gdev, reason);  in dump_gisb_error()
327 	struct brcmstb_gisb_arb_device *gdev;  in brcmstb_gisb_arb_probe()  local
338 	gdev = devm_kzalloc(&pdev->dev, sizeof(*gdev), GFP_KERNEL);  in brcmstb_gisb_arb_probe()
339 	if (!gdev)  in brcmstb_gisb_arb_probe()
342 	mutex_init(&gdev->lock);  in brcmstb_gisb_arb_probe()
343 	INIT_LIST_HEAD(&gdev->next);  in brcmstb_gisb_arb_probe()
345 	gdev->base = devm_ioremap_resource(&pdev->dev, r);  in brcmstb_gisb_arb_probe()
346 	if (IS_ERR(gdev->base))  in brcmstb_gisb_arb_probe()
347 		return PTR_ERR(gdev->base);  in brcmstb_gisb_arb_probe()
354 	gdev->gisb_offsets = of_id->data;  in brcmstb_gisb_arb_probe()
355 	gdev->big_endian = of_device_is_big_endian(dn);  in brcmstb_gisb_arb_probe()
359 				gdev);  in brcmstb_gisb_arb_probe()
365 				gdev);  in brcmstb_gisb_arb_probe()
371 				&gdev->valid_mask))  in brcmstb_gisb_arb_probe()
372 		gdev->valid_mask = 0xffffffff;  in brcmstb_gisb_arb_probe()
379 	if (hweight_long(gdev->valid_mask) == num_masters) {  in brcmstb_gisb_arb_probe()
380 		first = ffs(gdev->valid_mask) - 1;  in brcmstb_gisb_arb_probe()
381 		last = fls(gdev->valid_mask) - 1;  in brcmstb_gisb_arb_probe()
384 			if (!(gdev->valid_mask & BIT(i)))  in brcmstb_gisb_arb_probe()
389 					&gdev->master_names[i]);  in brcmstb_gisb_arb_probe()
398 	platform_set_drvdata(pdev, gdev);  in brcmstb_gisb_arb_probe()
400 	list_add_tail(&gdev->next, &brcmstb_gisb_arb_device_list);  in brcmstb_gisb_arb_probe()
413 			gdev->base, timeout_irq, tea_irq);  in brcmstb_gisb_arb_probe()
422 	struct brcmstb_gisb_arb_device *gdev = platform_get_drvdata(pdev);  in brcmstb_gisb_arb_suspend()  local
424 	gdev->saved_timeout = gisb_read(gdev, ARB_TIMER);  in brcmstb_gisb_arb_suspend()
435 	struct brcmstb_gisb_arb_device *gdev = platform_get_drvdata(pdev);  in brcmstb_gisb_arb_resume_noirq()  local
437 	gisb_write(gdev, gdev->saved_timeout, ARB_TIMER);  in brcmstb_gisb_arb_resume_noirq()