1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * Copyright 2006-2008, IBM Corporation.
22 #include <asm/cell-regs.h>
36 	 * to other sub-units FIRs and not only IIC  in dump_fir()
38 	printk(KERN_ERR "Global Checkstop FIR    : 0x%016llx\n",  in dump_fir()
39 	       in_be64(&pregs->checkstop_fir));  in dump_fir()
40 	printk(KERN_ERR "Global Recoverable FIR  : 0x%016llx\n",  in dump_fir()
41 	       in_be64(&pregs->checkstop_fir));  in dump_fir()
42 	printk(KERN_ERR "Global MachineCheck FIR : 0x%016llx\n",  in dump_fir()
43 	       in_be64(&pregs->spec_att_mchk_fir));  in dump_fir()
48 	       in_be64(&iregs->ioc_fir));  in dump_fir()
85 static int cbe_machine_check_handler(struct pt_regs *regs)  in cbe_machine_check_handler()  argument
110 	int ret = -ENOMEM;  in cbe_ptcal_enable_on_node()
120 	area->nid = nid;  in cbe_ptcal_enable_on_node()
121 	area->order = order;  in cbe_ptcal_enable_on_node()
122 	area->pages = __alloc_pages_node(area->nid,  in cbe_ptcal_enable_on_node()
124 						area->order);  in cbe_ptcal_enable_on_node()
126 	if (!area->pages) {  in cbe_ptcal_enable_on_node()
128 			__func__, area->nid);  in cbe_ptcal_enable_on_node()
137 	addr = __pa(page_address(area->pages)) + (PAGE_SIZE >> 1);  in cbe_ptcal_enable_on_node()
139 			__func__, area->nid, addr);  in cbe_ptcal_enable_on_node()
141 	ret = -EIO;  in cbe_ptcal_enable_on_node()
142 	if (rtas_call(ptcal_start_tok, 3, 1, NULL, area->nid,  in cbe_ptcal_enable_on_node()
150 	list_add(&area->list, &ptcal_list);  in cbe_ptcal_enable_on_node()
155 	__free_pages(area->pages, area->order);  in cbe_ptcal_enable_on_node()
170 		return -ENODEV;  in cbe_ptcal_enable()
172 	size = of_get_property(np, "ibm,cbe-ptcal-size", NULL);  in cbe_ptcal_enable()
175 		return -ENODEV;  in cbe_ptcal_enable()
183 	for_each_node_by_type(np, "mic-tm") {  in cbe_ptcal_enable()
191 	/* support for older device tree - use cpu nodes */  in cbe_ptcal_enable()
193 		const u32 *nid = of_get_property(np, "node-id", NULL);  in cbe_ptcal_enable()
195 			printk(KERN_ERR "%s: node %pOF is missing node-id?\n",  in cbe_ptcal_enable()
203 	return found_mic ? 0 : -ENODEV;  in cbe_ptcal_enable()
215 		if (rtas_call(ptcal_stop_tok, 1, 1, NULL, area->nid)) {  in cbe_ptcal_disable()
218 					area->nid);  in cbe_ptcal_disable()
219 			ret = -EIO;  in cbe_ptcal_disable()
224 		memset(page_address(area->pages), 0,  in cbe_ptcal_disable()
225 				1 << (area->order + PAGE_SHIFT));  in cbe_ptcal_disable()
228 		list_del(&area->list);  in cbe_ptcal_disable()
229 		__free_pages(area->pages, area->order);  in cbe_ptcal_disable()
256 	struct cbe_pmd_regs __iomem *regs;  in cbe_sysreset_init()  local
258 	sysreset_hack = of_machine_is_compatible("IBM,CBPLUS-1.0");  in cbe_sysreset_init()
262 	regs = cbe_get_cpu_pmd_regs(0);  in cbe_sysreset_init()
263 	if (!regs)  in cbe_sysreset_init()
266 	/* Enable JTAG system-reset hack */  in cbe_sysreset_init()
267 	out_be32(&regs->fir_mode_reg,  in cbe_sysreset_init()
268 		in_be32(&regs->fir_mode_reg) |  in cbe_sysreset_init()
277 	struct cbe_pmd_regs __iomem *regs;  in cbe_sysreset_hack()  local
285 		regs = cbe_get_cpu_pmd_regs(0);  in cbe_sysreset_hack()
286 		if (!regs)  in cbe_sysreset_hack()
288 		if (in_be64(&regs->ras_esc_0) & 0x0000ffff) {  in cbe_sysreset_hack()
289 			out_be64(&regs->ras_esc_0, 0);  in cbe_sysreset_hack()
305 		return -ENODEV;  in cbe_ptcal_init()