arm/mm/cache-uniphier.c

31 /* operation registers */
56 /* Is the operation region specified by address range? */
65  * @op_base: virtual base address of operation registers
71  * @range_op_max_size: max size that can be handled by a single range operation
107  * __uniphier_cache_maint_common - run a queue operation for a particular level
110  * @start: start address of range operation (don't care for "all" operation)
111  * @size: data size of range operation (don't care for "all" operation)
112  * @operation: flags to specify the desired cache operation
117 					  u32 operation)
126 	 * maintenance operation is under way and another operation is issued,
128 	 * operation after another.  If the queue is full, the status register,
150 		/* set cache operation */
151 		writel_relaxed(UNIPHIER_SSCOQM_CE | operation,
155 		if (likely(UNIPHIER_SSCOQM_S_IS_RANGE(operation))) {
162 	/* wait until the operation is completed */
171 				       u32 operation)
174 				      UNIPHIER_SSCOQM_S_ALL | operation);
181 					 u32 operation)
187 	 * perform a cache operation for the first cache-line
194 		/* this means cache operation for all range */
195 		__uniphier_cache_maint_all(data, operation);
201 	 * perform a cache operation for the last cache-line
210 					UNIPHIER_SSCOQM_S_RANGE | operation);
239 				       u32 operation)
244 		__uniphier_cache_maint_range(data, start, end, operation);
247 static void uniphier_cache_maint_all(u32 operation)
252 		__uniphier_cache_maint_all(data, operation);
392 		pr_err("L%d: failed to map operation register\n", *cache_level);
402 		 * The size of range operation is limited to (1 << 22) or less