Merge tag 'u-boot-imx-20200825' of https://gitlab.denx.de/u-boot/custodians/u-boot-imx
[platform/kernel/u-boot.git] / drivers / fpga / versalpl.c
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
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
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 };