1 /* SPDX-License-Identifier: GPL-2.0-or-later */
18 #define CPS_ACCESSOR_A(unit, off, name)					\  argument
19 static inline void *addr_##unit##_##name(void)				\
24 #define CPS_ACCESSOR_R(unit, sz, name)					\  argument
25 static inline uint##sz##_t read_##unit##_##name(void)			\
31 		return __raw_readl(addr_##unit##_##name());		\
35 			return __raw_readq(addr_##unit##_##name());	\
37 		val64 = __raw_readl(addr_##unit##_##name() + 4);	\
39 		val64 |= __raw_readl(addr_##unit##_##name());		\
47 #define CPS_ACCESSOR_W(unit, sz, name)					\  argument
48 static inline void write_##unit##_##name(uint##sz##_t val)		\
52 		__raw_writel(val, addr_##unit##_##name());		\
57 			__raw_writeq(val, addr_##unit##_##name());	\
62 			     addr_##unit##_##name() + 4);		\
63 		__raw_writel(val, addr_##unit##_##name());		\
72 #define CPS_ACCESSOR_M(unit, sz, name)					\  argument
73 static inline void change_##unit##_##name(uint##sz##_t mask,		\
76 	uint##sz##_t reg_val = read_##unit##_##name();			\
79 	write_##unit##_##name(reg_val);					\
82 static inline void set_##unit##_##name(uint##sz##_t val)		\
84 	change_##unit##_##name(val, val);				\
87 static inline void clear_##unit##_##name(uint##sz##_t val)		\
89 	change_##unit##_##name(val, 0);					\
92 #define CPS_ACCESSOR_RO(unit, sz, off, name)				\  argument
93 	CPS_ACCESSOR_A(unit, off, name)					\
94 	CPS_ACCESSOR_R(unit, sz, name)
96 #define CPS_ACCESSOR_WO(unit, sz, off, name)				\  argument
97 	CPS_ACCESSOR_A(unit, off, name)					\
98 	CPS_ACCESSOR_W(unit, sz, name)
100 #define CPS_ACCESSOR_RW(unit, sz, off, name)				\  argument
101 	CPS_ACCESSOR_A(unit, off, name)					\
102 	CPS_ACCESSOR_R(unit, sz, name)					\
103 	CPS_ACCESSOR_W(unit, sz, name)					\
104 	CPS_ACCESSOR_M(unit, sz, name)
106 #include <asm/mips-cm.h>
107 #include <asm/mips-cpc.h>
108 #include <asm/mips-gic.h>
111  * mips_cps_numclusters - return the number of clusters present in the system
124  * mips_cps_cluster_config - return (GCR|CPC)_CONFIG from a cluster
137 		 * Prior to CM 3.5 we don't have the notion of multiple  in mips_cps_cluster_config()
145 		 * From CM 3.5 onwards we read the CPC_CONFIG mirror of  in mips_cps_cluster_config()
147 		 * powered up allowing us not to need to power up the CM.  in mips_cps_cluster_config()
158  * mips_cps_numcores - return the number of cores present in a cluster
175  * mips_cps_numiocu - return the number of IOCUs present in a cluster
191  * mips_cps_numvps - return the number of VPs (threads) supported by a core
197  * kernel do not support hardware mutlti-threading this returns 1.
214 		 * Prior to CM 3.5 we can only have one cluster & don't have  in mips_cps_numvps()
220 		 * From CM 3.5 onwards we read CPC_Cx_CONFIG because the CPC is  in mips_cps_numvps()
222 		 * up the cluster's CM here.  in mips_cps_numvps()
233  * mips_cps_multicluster_cpus() - Detect whether CPUs are in multiple clusters
235  * Determine whether the system includes CPUs in multiple clusters - ie.
236  * whether we can treat the system as single or multi-cluster as far as CPUs
238  * whether multiple clusters are present - it is possible for there to be
248 	 * CPUs are numbered sequentially by cluster - ie. CPUs 0..X will be in  in mips_cps_multicluster_cpus()
255 	last_cl = cpu_cluster(&cpu_data[nr_cpu_ids - 1]);  in mips_cps_multicluster_cpus()
260  * mips_cps_first_online_in_cluster() - Detect if CPU is first online in cluster
263  * cluster - that is, whether there are any other online CPUs in the local