drivers/fpga/stratixv.c

1 // SPDX-License-Identifier: GPL-2.0+
19 	debug("%s (%d): data=%p size=%ld\n",  in program_write()
25 		return -1;  in program_write()
28 		return -1;  in program_write()
40  * Return 0 for sucess, non-zero for error.
44 	altera_board_specific_func *pfns = desc->iface_fns;  in stratixv_load()
45 	int cookie = desc->cookie;  in stratixv_load()
52 		return -EINVAL;  in stratixv_load()
56 	if (pfns->pre)  in stratixv_load()
57 		(pfns->pre)(cookie);  in stratixv_load()
60 	if (pfns->config) {  in stratixv_load()
61 		/* De-assert nCONFIG */  in stratixv_load()
62 		(pfns->config)(false, true, cookie);  in stratixv_load()
64 		/* nConfig minimum low pulse width is 2us */  in stratixv_load()
68 		(pfns->config)(true, true, cookie);  in stratixv_load()
70 		/* nCONFIG high to first rising clock on DCLK min 1506 us */  in stratixv_load()
75 	if (pfns->write) {  in stratixv_load()
80 		ret = (pfns->write)(rbf_data, rbf_size, true, cookie);  in stratixv_load()
94 	if (pfns->done) {  in stratixv_load()
95 		ret = (pfns->done)(cookie);  in stratixv_load()