3  * OMAP L3 Interconnect error handling driver
23  * @l3:		pointer to l3 struct
35  *	1) Custom errors in L3 :
37  *	2) Standard L3 error:
39  *			L3 tries to access target while it is idle
50 static int l3_handle_target(struct omap_l3 *l3, void __iomem *base,  in l3_handle_target()  argument
114 		    l3->mst_addr_mask) >> __ffs(l3->mst_addr_mask);  in l3_handle_target()
116 	for (k = 0, master = l3->l3_masters; k < l3->num_masters;  in l3_handle_target()
134 	     "%s:L3 %s Error: MASTER %s TARGET %s (%s)%s%s\n",  in l3_handle_target()
135 	     dev_name(l3->dev),  in l3_handle_target()
149  * l3_interrupt_handler() - interrupt handler for l3 events
151  * @_l3:	pointer to l3 structure
153  * Interrupt Handler for L3 error detection.
154  *	1) Identify the L3 clockdomain partition to which the error belongs to.
161 	struct omap_l3 *l3 = _l3;  in l3_interrupt_handler()  local
169 	inttype = irq == l3->app_irq ? L3_APPLICATION_ERROR : L3_DEBUG_ERROR;  in l3_interrupt_handler()
171 	for (i = 0; i < l3->num_modules; i++) {  in l3_interrupt_handler()
176 		base = l3->l3_base[i];  in l3_interrupt_handler()
177 		flag_mux = l3->l3_flagmux[i];  in l3_interrupt_handler()
189 			ret = l3_handle_target(l3, base, flag_mux, err_src);  in l3_interrupt_handler()
198 				dev_err(l3->dev,  in l3_interrupt_handler()
199 					"L3 %s error: target %d mod:%d %s\n",  in l3_interrupt_handler()
221 	dev_err(l3->dev, "L3 %s IRQ not handled!!\n",  in l3_interrupt_handler()
228 	{.compatible = "ti,omap4-l3-noc", .data = &omap4_l3_data},
229 	{.compatible = "ti,omap5-l3-noc", .data = &omap5_l3_data},
230 	{.compatible = "ti,dra7-l3-noc", .data = &dra_l3_data},
231 	{.compatible = "ti,am4372-l3-noc", .data = &am4372_l3_data},
239 	static struct omap_l3 *l3;  in omap_l3_probe()  local
248 	l3 = devm_kzalloc(&pdev->dev, sizeof(*l3), GFP_KERNEL);  in omap_l3_probe()
249 	if (!l3)  in omap_l3_probe()
252 	memcpy(l3, of_id->data, sizeof(*l3));  in omap_l3_probe()
253 	l3->dev = &pdev->dev;  in omap_l3_probe()
254 	platform_set_drvdata(pdev, l3);  in omap_l3_probe()
257 	for (i = 0, res_idx = 0; i < l3->num_modules; i++) {  in omap_l3_probe()
260 		if (l3->l3_base[i] == L3_BASE_IS_SUBMODULE) {  in omap_l3_probe()
263 			l3->l3_base[i] = l3->l3_base[i - 1];  in omap_l3_probe()
267 		l3->l3_base[i] = devm_ioremap_resource(&pdev->dev, res);  in omap_l3_probe()
268 		if (IS_ERR(l3->l3_base[i])) {  in omap_l3_probe()
269 			dev_err(l3->dev, "ioremap %d failed\n", i);  in omap_l3_probe()
270 			return PTR_ERR(l3->l3_base[i]);  in omap_l3_probe()
278 	l3->debug_irq = platform_get_irq(pdev, 0);  in omap_l3_probe()
279 	ret = devm_request_irq(l3->dev, l3->debug_irq, l3_interrupt_handler,  in omap_l3_probe()
280 			       IRQF_NO_THREAD, "l3-dbg-irq", l3);  in omap_l3_probe()
282 		dev_err(l3->dev, "request_irq failed for %d\n",  in omap_l3_probe()
283 			l3->debug_irq);  in omap_l3_probe()
287 	l3->app_irq = platform_get_irq(pdev, 1);  in omap_l3_probe()
288 	ret = devm_request_irq(l3->dev, l3->app_irq, l3_interrupt_handler,  in omap_l3_probe()
289 			       IRQF_NO_THREAD, "l3-app-irq", l3);  in omap_l3_probe()
291 		dev_err(l3->dev, "request_irq failed for %d\n", l3->app_irq);  in omap_l3_probe()
308 	struct omap_l3 *l3 = dev_get_drvdata(dev);  in l3_resume_noirq()  local
314 	for (i = 0; i < l3->num_modules; i++) {  in l3_resume_noirq()
315 		base = l3->l3_base[i];  in l3_resume_noirq()
316 		flag_mux = l3->l3_flagmux[i];  in l3_resume_noirq()
373 MODULE_DESCRIPTION("OMAP L3 Interconnect error handling driver");