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

source/trusted-firmware/trusted-firmware-a-2.8/drivers/brcm/spi/iproc_spi.c

@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2017 - 2020, Broadcom
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <spi.h>
+
+#include "iproc_qspi.h"
+
+int spi_init(void)
+{
+	return iproc_qspi_setup(IPROC_QSPI_BUS, IPROC_QSPI_CS,
+				IPROC_QSPI_CLK_SPEED, IPROC_QSPI_MODE0);
+}
+
+int spi_claim_bus(void)
+{
+	return iproc_qspi_claim_bus();
+}
+
+void spi_release_bus(void)
+{
+	iproc_qspi_release_bus();
+}
+
+int spi_xfer(uint32_t bitlen, const void *dout,
+	     void *din, uint32_t flags)
+{
+	return iproc_qspi_xfer(bitlen, dout, din, flags);
+}