char/xilinx_hwicap/buffer_icap.c

94  * buffer_icap_get_bram - Reads data from the storage buffer bram.
96  * @offset: The word offset from which the data should be read.
98  * A bram is used as a configuration memory cache.  One frame of data can
124  * @data: The size in bytes.
130 		u32 data)
132 	out_be32(base_address + XHI_SIZE_REG_OFFSET, data);
138  * @data: is the value to be written to the data register.
141  * data from during configuration or write data to during readback.
144 		u32 data)
146 	out_be32(base_address + XHI_BRAM_OFFSET_REG_OFFSET, data);
152  * @data: is the value to be written to the data register.
154  * The RNC register determines the direction of the data transfer.  It
160 		u32 data)
162 	out_be32(base_address + XHI_RNC_REG_OFFSET, data);
166  * buffer_icap_set_bram - Write data to the storage buffer bram.
168  * @offset: The word offset at which the data should be written.
169  * @data: The value to be written to the bram offset.
171  * A bram is used as a configuration memory cache.  One frame of data can
175 		u32 offset, u32 data)
177 	out_be32(base_address + (offset << 2), data);
264  * @data: Kernel address of the partial bitstream.
267 int buffer_icap_set_configuration(struct hwicap_drvdata *drvdata, u32 *data,
276 	/* Loop through all the data */
279 		/* Copy data to bram */
280 		buffer_icap_set_bram(base_address, buffer_count, data[i]);
288 		/* Write data to ICAP */
303 	/* Write unwritten data to ICAP */
305 		/* Write data to ICAP */
319  * buffer_icap_get_configuration - Read configuration data from the device.
321  * @data: Address of the data representing the partial bitstream
324 int buffer_icap_get_configuration(struct hwicap_drvdata *drvdata, u32 *data,
332 	/* Loop through all the data */
341 			/* Read data from ICAP */
355 		/* Copy data from bram */
356 		data[i] = buffer_icap_get_bram(base_address, buffer_count);