92 struct devbus {  struct
98 static int get_timing_param_ps(struct devbus *devbus,  in get_timing_param_ps()  argument
108 		dev_err(devbus->dev, "%s has no '%s' property\n",  in get_timing_param_ps()
113 	*ticks = (time_ps + devbus->tick_ps - 1) / devbus->tick_ps;  in get_timing_param_ps()
115 	dev_dbg(devbus->dev, "%s: %u ps -> 0x%x\n",  in get_timing_param_ps()
120 static int devbus_get_timing_params(struct devbus *devbus,  in devbus_get_timing_params()  argument
129 		dev_err(devbus->dev,  in devbus_get_timing_params()
144 		dev_err(devbus->dev, "invalid bus width %d\n", r->bus_width);  in devbus_get_timing_params()
148 	err = get_timing_param_ps(devbus, node, "devbus,badr-skew-ps",  in devbus_get_timing_params()
153 	err = get_timing_param_ps(devbus, node, "devbus,turn-off-ps",  in devbus_get_timing_params()
158 	err = get_timing_param_ps(devbus, node, "devbus,acc-first-ps",  in devbus_get_timing_params()
163 	err = get_timing_param_ps(devbus, node, "devbus,acc-next-ps",  in devbus_get_timing_params()
168 	if (of_device_is_compatible(devbus->dev->of_node, "marvell,mvebu-devbus")) {  in devbus_get_timing_params()
169 		err = get_timing_param_ps(devbus, node, "devbus,rd-setup-ps",  in devbus_get_timing_params()
174 		err = get_timing_param_ps(devbus, node, "devbus,rd-hold-ps",  in devbus_get_timing_params()
182 			dev_err(devbus->dev,  in devbus_get_timing_params()
189 	err = get_timing_param_ps(devbus, node, "devbus,ale-wr-ps",  in devbus_get_timing_params()
194 	err = get_timing_param_ps(devbus, node, "devbus,wr-low-ps",  in devbus_get_timing_params()
199 	err = get_timing_param_ps(devbus, node, "devbus,wr-high-ps",  in devbus_get_timing_params()
207 static void devbus_orion_set_timing_params(struct devbus *devbus,  in devbus_orion_set_timing_params()  argument
237 	writel(value, devbus->base);  in devbus_orion_set_timing_params()
240 static void devbus_armada_set_timing_params(struct devbus *devbus,  in devbus_armada_set_timing_params()  argument
256 	dev_dbg(devbus->dev, "read parameters register 0x%p = 0x%x\n",  in devbus_armada_set_timing_params()
257 		devbus->base + ARMADA_READ_PARAM_OFFSET,  in devbus_armada_set_timing_params()
260 	writel(value, devbus->base + ARMADA_READ_PARAM_OFFSET);  in devbus_armada_set_timing_params()
268 	dev_dbg(devbus->dev, "write parameters register: 0x%p = 0x%x\n",  in devbus_armada_set_timing_params()
269 		devbus->base + ARMADA_WRITE_PARAM_OFFSET,  in devbus_armada_set_timing_params()
272 	writel(value, devbus->base + ARMADA_WRITE_PARAM_OFFSET);  in devbus_armada_set_timing_params()
281 	struct devbus *devbus;  in mvebu_devbus_probe()  local
287 	devbus = devm_kzalloc(&pdev->dev, sizeof(struct devbus), GFP_KERNEL);  in mvebu_devbus_probe()
288 	if (!devbus)  in mvebu_devbus_probe()
291 	devbus->dev = dev;  in mvebu_devbus_probe()
293 	devbus->base = devm_ioremap_resource(&pdev->dev, res);  in mvebu_devbus_probe()
294 	if (IS_ERR(devbus->base))  in mvebu_devbus_probe()
295 		return PTR_ERR(devbus->base);  in mvebu_devbus_probe()
308 	devbus->tick_ps = 1000000000 / rate;  in mvebu_devbus_probe()
310 	dev_dbg(devbus->dev, "Setting timing parameter, tick is %lu ps\n",  in mvebu_devbus_probe()
311 		devbus->tick_ps);  in mvebu_devbus_probe()
315 		err = devbus_get_timing_params(devbus, node, &r, &w);  in mvebu_devbus_probe()
321 			devbus_orion_set_timing_params(devbus, node, &r, &w);  in mvebu_devbus_probe()
323 			devbus_armada_set_timing_params(devbus, node, &r, &w);  in mvebu_devbus_probe()