1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * (C) Copyright 2019, Xilinx, Inc,
4  * Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
5  */
6 
7 #include <common.h>
8 #include <cpu_func.h>
9 #include <log.h>
10 #include <asm/arch/sys_proto.h>
11 #include <memalign.h>
12 #include <versalpl.h>
13 #include <zynqmp_firmware.h>
14 #include <asm/cache.h>
15 
versal_align_dma_buffer(ulong * buf,u32 len)16 static ulong versal_align_dma_buffer(ulong *buf, u32 len)
17 {
18 	ulong *new_buf;
19 
20 	if ((ulong)buf != ALIGN((ulong)buf, ARCH_DMA_MINALIGN)) {
21 		new_buf = (ulong *)ALIGN((ulong)buf, ARCH_DMA_MINALIGN);
22 		memcpy(new_buf, buf, len);
23 		buf = new_buf;
24 	}
25 
26 	return (ulong)buf;
27 }
28 
versal_load(xilinx_desc * desc,const void * buf,size_t bsize,bitstream_type bstype)29 static int versal_load(xilinx_desc *desc, const void *buf, size_t bsize,
30 		       bitstream_type bstype)
31 {
32 	ulong bin_buf;
33 	int ret;
34 	u32 buf_lo, buf_hi;
35 	u32 ret_payload[PAYLOAD_ARG_CNT];
36 
37 	bin_buf = versal_align_dma_buffer((ulong *)buf, bsize);
38 
39 	debug("%s called!\n", __func__);
40 	flush_dcache_range(bin_buf, bin_buf + bsize);
41 
42 	buf_lo = lower_32_bits(bin_buf);
43 	buf_hi = upper_32_bits(bin_buf);
44 
45 	ret = xilinx_pm_request(VERSAL_PM_LOAD_PDI, VERSAL_PM_PDI_TYPE, buf_lo,
46 				buf_hi, 0, ret_payload);
47 	if (ret)
48 		printf("PL FPGA LOAD failed with err: 0x%08x\n", ret);
49 
50 	return ret;
51 }
52 
53 struct xilinx_fpga_op versal_op = {
54 	.load = versal_load,
55 };
56