GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/drivers/fpga/versalpl.c

@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * (C) Copyright 2019, Xilinx, Inc,
+ * Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
+ */
+
+#include <common.h>
+#include <cpu_func.h>
+#include <asm/arch/sys_proto.h>
+#include <memalign.h>
+#include <versalpl.h>
+#include <zynqmp_firmware.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 = xilinx_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,
+};