platforms/44x/soc.c

1 // SPDX-License-Identifier: GPL-2.0-or-later
9  *   Copyright (c) 2003 - 2006 Zultys Technologies
22 #include <asm/dcr-regs.h>
29  * L2-cache
83 	np = of_find_compatible_node(NULL, NULL, "ibm,l2-cache");  in ppc4xx_l2c_probe()
88 	prop = of_get_property(np, "cache-size", NULL);  in ppc4xx_l2c_probe()
90 		printk(KERN_ERR "%pOF: Can't get cache-size!\n", np);  in ppc4xx_l2c_probe()
92 		return -ENODEV;  in ppc4xx_l2c_probe()
97 	dcrreg = of_get_property(np, "dcr-reg", &len);  in ppc4xx_l2c_probe()
101 		return -ENODEV;  in ppc4xx_l2c_probe()
111 		return -ENODEV;  in ppc4xx_l2c_probe()
119 		return -ENODEV;  in ppc4xx_l2c_probe()
153 	/* Enable 64G snoop region starting at 0 */  in ppc4xx_l2c_probe()
166 	/* Enable ICU/DCU ports */  in ppc4xx_l2c_probe()
174 	if (of_device_is_compatible(np, "ibm,l2-cache-460ex") ||  in ppc4xx_l2c_probe()
175 	    of_device_is_compatible(np, "ibm,l2-cache-460gt"))  in ppc4xx_l2c_probe()
183 	printk(KERN_INFO "%dk L2-cache enabled\n", l2_size >> 10);  in ppc4xx_l2c_probe()
192  * provided via the "reset-type" property in the cpu node.
202 		prop = of_get_property(np, "reset-type", NULL);  in ppc4xx_reset_system()
206 		 * 1 - PPC4xx core reset  in ppc4xx_reset_system()
207 		 * 2 - PPC4xx chip reset  in ppc4xx_reset_system()
208 		 * 3 - PPC4xx system reset (default)  in ppc4xx_reset_system()