nxp:driver for crypto h/w accelerator caam
NXP has hardware crypto accelerator called CAAM.
- Work with Job ring
- Jobs are submitted to CAAM in the form of 64 word
descriptor.
Signed-off-by: Ruchika Gupta <ruchika.gupta@nxp.com>
Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Change-Id: I02bcfce68143b8630e1833a74c4b126972f4323d
diff --git a/drivers/nxp/crypto/caam/include/caam_io.h b/drivers/nxp/crypto/caam/include/caam_io.h
new file mode 100644
index 0000000..4fdb04d
--- /dev/null
+++ b/drivers/nxp/crypto/caam/include/caam_io.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2018-2020 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef CAAM_IO_H
+#define CAAM_IO_H
+
+#include <endian.h>
+#include <lib/mmio.h>
+
+typedef unsigned long long phys_addr_t;
+typedef unsigned long long phys_size_t;
+
+/* Return higher 32 bits of physical address */
+#define PHYS_ADDR_HI(phys_addr) \
+ (uint32_t)(((uint64_t)phys_addr) >> 32)
+
+/* Return lower 32 bits of physical address */
+#define PHYS_ADDR_LO(phys_addr) \
+ (uint32_t)(((uint64_t)phys_addr) & 0xFFFFFFFF)
+
+#ifdef NXP_SEC_BE
+#define sec_in32(a) bswap32(mmio_read_32((uintptr_t)(a)))
+#define sec_out32(a, v) mmio_write_32((uintptr_t)(a), bswap32(v))
+#define sec_in64(addr) ( \
+ ((uint64_t)sec_in32((uintptr_t)(addr)) << 32) | \
+ (sec_in32(((uintptr_t)(addr)) + 4)))
+#define sec_out64(addr, val) ({ \
+ sec_out32(((uintptr_t)(addr)), (uint32_t)((val) >> 32)); \
+ sec_out32(((uintptr_t)(addr)) + 4, (uint32_t)(val)); })
+#elif defined(NXP_SEC_LE)
+#define sec_in32(a) mmio_read_32((uintptr_t)(a))
+#define sec_out32(a, v) mmio_write_32((uintptr_t)(a), (v))
+#define sec_in64(addr) ( \
+ ((uint64_t)sec_in32((uintptr_t)(addr) + 4) << 32) | \
+ (sec_in32((uintptr_t)(addr))))
+#define sec_out64(addr, val) ({ \
+ sec_out32(((uintptr_t)(addr)) + 4, (uint32_t)((val) >> 32)); \
+ sec_out32(((uintptr_t)(addr)), (uint32_t)(val)); })
+#else
+#error Please define CCSR SEC register endianness
+#endif
+
+static inline void *ptov(phys_addr_t *ptr)
+{
+ return (void *)ptr;
+}
+
+static inline phys_addr_t *vtop(void *ptr)
+{
+ return (phys_addr_t *)ptr;
+}
+#endif /* CAAM_IO_H */