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Diffstat (limited to 'drivers/fpga/versalpl.c')
-rw-r--r--drivers/fpga/versalpl.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/fpga/versalpl.c b/drivers/fpga/versalpl.c
new file mode 100644
index 0000000000..69617a9b1d
--- /dev/null
+++ b/drivers/fpga/versalpl.c
@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * (C) Copyright 2019, Xilinx, Inc,
+ * Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
+ */
+
+#include <common.h>
+#include <asm/arch/sys_proto.h>
+#include <memalign.h>
+#include <versalpl.h>
+
+static ulong versal_align_dma_buffer(ulong *buf, u32 len)
+{
+ ulong *new_buf;
+
+ if ((ulong)buf != ALIGN((ulong)buf, ARCH_DMA_MINALIGN)) {
+ new_buf = (ulong *)ALIGN((ulong)buf, ARCH_DMA_MINALIGN);
+ memcpy(new_buf, buf, len);
+ buf = new_buf;
+ }
+
+ return (ulong)buf;
+}
+
+static int versal_load(xilinx_desc *desc, const void *buf, size_t bsize,
+ bitstream_type bstype)
+{
+ ulong bin_buf;
+ int ret;
+ u32 buf_lo, buf_hi;
+ u32 ret_payload[5];
+
+ bin_buf = versal_align_dma_buffer((ulong *)buf, bsize);
+
+ debug("%s called!\n", __func__);
+ flush_dcache_range(bin_buf, bin_buf + bsize);
+
+ buf_lo = lower_32_bits(bin_buf);
+ buf_hi = upper_32_bits(bin_buf);
+
+ ret = versal_pm_request(VERSAL_PM_LOAD_PDI, VERSAL_PM_PDI_TYPE, buf_lo,
+ buf_hi, 0, ret_payload);
+ if (ret)
+ puts("PL FPGA LOAD fail\n");
+
+ return ret;
+}
+
+struct xilinx_fpga_op versal_op = {
+ .load = versal_load,
+};