ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/arch/mips/include/asm/octeon/octeon-feature.h b/marvell/linux/arch/mips/include/asm/octeon/octeon-feature.h
new file mode 100644
index 0000000..a19ca3b
--- /dev/null
+++ b/marvell/linux/arch/mips/include/asm/octeon/octeon-feature.h
@@ -0,0 +1,213 @@
+/***********************license start***************
+ * Author: Cavium Networks
+ *
+ * Contact: support@caviumnetworks.com
+ * This file is part of the OCTEON SDK
+ *
+ * Copyright (c) 2003-2008 Cavium Networks
+ *
+ * This file is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, Version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This file is distributed in the hope that it will be useful, but
+ * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
+ * NONINFRINGEMENT. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this file; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * or visit http://www.gnu.org/licenses/.
+ *
+ * This file may also be available under a different license from Cavium.
+ * Contact Cavium Networks for more information
+ ***********************license end**************************************/
+
+/*
+ * File defining checks for different Octeon features.
+ */
+
+#ifndef __OCTEON_FEATURE_H__
+#define __OCTEON_FEATURE_H__
+#include <asm/octeon/cvmx-mio-defs.h>
+#include <asm/octeon/cvmx-rnm-defs.h>
+
+enum octeon_feature {
+ /* CN68XX uses port kinds for packet interface */
+ OCTEON_FEATURE_PKND,
+ /* CN68XX has different fields in word0 - word2 */
+ OCTEON_FEATURE_CN68XX_WQE,
+ /*
+ * Octeon models in the CN5XXX family and higher support
+ * atomic add instructions to memory (saa/saad).
+ */
+ OCTEON_FEATURE_SAAD,
+ /* Does this Octeon support the ZIP offload engine? */
+ OCTEON_FEATURE_ZIP,
+ OCTEON_FEATURE_DORM_CRYPTO,
+ /* Does this Octeon support PCI express? */
+ OCTEON_FEATURE_PCIE,
+ /* Does this Octeon support SRIOs */
+ OCTEON_FEATURE_SRIO,
+ /* Does this Octeon support Interlaken */
+ OCTEON_FEATURE_ILK,
+ /* Some Octeon models support internal memory for storing
+ * cryptographic keys */
+ OCTEON_FEATURE_KEY_MEMORY,
+ /* Octeon has a LED controller for banks of external LEDs */
+ OCTEON_FEATURE_LED_CONTROLLER,
+ /* Octeon has a trace buffer */
+ OCTEON_FEATURE_TRA,
+ /* Octeon has a management port */
+ OCTEON_FEATURE_MGMT_PORT,
+ /* Octeon has a raid unit */
+ OCTEON_FEATURE_RAID,
+ /* Octeon has a builtin USB */
+ OCTEON_FEATURE_USB,
+ /* Octeon IPD can run without using work queue entries */
+ OCTEON_FEATURE_NO_WPTR,
+ /* Octeon has DFA state machines */
+ OCTEON_FEATURE_DFA,
+ /* Octeon MDIO block supports clause 45 transactions for 10
+ * Gig support */
+ OCTEON_FEATURE_MDIO_CLAUSE_45,
+ /*
+ * CN52XX and CN56XX used a block named NPEI for PCIe
+ * access. Newer chips replaced this with SLI+DPI.
+ */
+ OCTEON_FEATURE_NPEI,
+ OCTEON_FEATURE_HFA,
+ OCTEON_FEATURE_DFM,
+ OCTEON_FEATURE_CIU2,
+ OCTEON_FEATURE_CIU3,
+ /* Octeon has FPA first seen on 78XX */
+ OCTEON_FEATURE_FPA3,
+ OCTEON_FEATURE_FAU,
+ OCTEON_MAX_FEATURE
+};
+
+enum octeon_feature_bits {
+ OCTEON_HAS_CRYPTO = 0x0001, /* Crypto acceleration using COP2 */
+};
+extern enum octeon_feature_bits __octeon_feature_bits;
+
+/**
+ * octeon_has_crypto() - Check if this OCTEON has crypto acceleration support.
+ *
+ * Returns: Non-zero if the feature exists. Zero if the feature does not exist.
+ */
+static inline int octeon_has_crypto(void)
+{
+ return __octeon_feature_bits & OCTEON_HAS_CRYPTO;
+}
+
+/**
+ * Determine if the current Octeon supports a specific feature. These
+ * checks have been optimized to be fairly quick, but they should still
+ * be kept out of fast path code.
+ *
+ * @feature: Feature to check for. This should always be a constant so the
+ * compiler can remove the switch statement through optimization.
+ *
+ * Returns Non zero if the feature exists. Zero if the feature does not
+ * exist.
+ */
+static inline bool octeon_has_feature(enum octeon_feature feature)
+{
+ switch (feature) {
+ case OCTEON_FEATURE_SAAD:
+ return !OCTEON_IS_MODEL(OCTEON_CN3XXX);
+
+ case OCTEON_FEATURE_DORM_CRYPTO:
+ if (OCTEON_IS_MODEL(OCTEON_CN6XXX)) {
+ union cvmx_mio_fus_dat2 fus_2;
+ fus_2.u64 = cvmx_read_csr(CVMX_MIO_FUS_DAT2);
+ return !fus_2.s.nocrypto && !fus_2.s.nomul && fus_2.s.dorm_crypto;
+ } else {
+ return false;
+ }
+
+ case OCTEON_FEATURE_PCIE:
+ return OCTEON_IS_MODEL(OCTEON_CN56XX)
+ || OCTEON_IS_MODEL(OCTEON_CN52XX)
+ || OCTEON_IS_MODEL(OCTEON_CN6XXX)
+ || OCTEON_IS_MODEL(OCTEON_CN7XXX);
+
+ case OCTEON_FEATURE_SRIO:
+ return OCTEON_IS_MODEL(OCTEON_CN63XX)
+ || OCTEON_IS_MODEL(OCTEON_CN66XX);
+
+ case OCTEON_FEATURE_ILK:
+ return (OCTEON_IS_MODEL(OCTEON_CN68XX));
+
+ case OCTEON_FEATURE_KEY_MEMORY:
+ return OCTEON_IS_MODEL(OCTEON_CN38XX)
+ || OCTEON_IS_MODEL(OCTEON_CN58XX)
+ || OCTEON_IS_MODEL(OCTEON_CN56XX)
+ || OCTEON_IS_MODEL(OCTEON_CN6XXX);
+
+ case OCTEON_FEATURE_LED_CONTROLLER:
+ return OCTEON_IS_MODEL(OCTEON_CN38XX)
+ || OCTEON_IS_MODEL(OCTEON_CN58XX)
+ || OCTEON_IS_MODEL(OCTEON_CN56XX);
+
+ case OCTEON_FEATURE_TRA:
+ return !(OCTEON_IS_MODEL(OCTEON_CN30XX)
+ || OCTEON_IS_MODEL(OCTEON_CN50XX));
+ case OCTEON_FEATURE_MGMT_PORT:
+ return OCTEON_IS_MODEL(OCTEON_CN56XX)
+ || OCTEON_IS_MODEL(OCTEON_CN52XX)
+ || OCTEON_IS_MODEL(OCTEON_CN6XXX);
+
+ case OCTEON_FEATURE_RAID:
+ return OCTEON_IS_MODEL(OCTEON_CN56XX)
+ || OCTEON_IS_MODEL(OCTEON_CN52XX)
+ || OCTEON_IS_MODEL(OCTEON_CN6XXX);
+
+ case OCTEON_FEATURE_USB:
+ return !(OCTEON_IS_MODEL(OCTEON_CN38XX)
+ || OCTEON_IS_MODEL(OCTEON_CN58XX));
+
+ case OCTEON_FEATURE_NO_WPTR:
+ return (OCTEON_IS_MODEL(OCTEON_CN56XX)
+ || OCTEON_IS_MODEL(OCTEON_CN52XX)
+ || OCTEON_IS_MODEL(OCTEON_CN6XXX))
+ && !OCTEON_IS_MODEL(OCTEON_CN56XX_PASS1_X)
+ && !OCTEON_IS_MODEL(OCTEON_CN52XX_PASS1_X);
+
+ case OCTEON_FEATURE_MDIO_CLAUSE_45:
+ return !(OCTEON_IS_MODEL(OCTEON_CN3XXX)
+ || OCTEON_IS_MODEL(OCTEON_CN58XX)
+ || OCTEON_IS_MODEL(OCTEON_CN50XX));
+
+ case OCTEON_FEATURE_NPEI:
+ return OCTEON_IS_MODEL(OCTEON_CN56XX)
+ || OCTEON_IS_MODEL(OCTEON_CN52XX);
+
+ case OCTEON_FEATURE_PKND:
+ return OCTEON_IS_MODEL(OCTEON_CN68XX);
+
+ case OCTEON_FEATURE_CN68XX_WQE:
+ return OCTEON_IS_MODEL(OCTEON_CN68XX);
+
+ case OCTEON_FEATURE_CIU2:
+ return OCTEON_IS_MODEL(OCTEON_CN68XX);
+ case OCTEON_FEATURE_CIU3:
+ case OCTEON_FEATURE_FPA3:
+ return OCTEON_IS_MODEL(OCTEON_CN78XX)
+ || OCTEON_IS_MODEL(OCTEON_CNF75XX)
+ || OCTEON_IS_MODEL(OCTEON_CN73XX);
+ case OCTEON_FEATURE_FAU:
+ return !(OCTEON_IS_MODEL(OCTEON_CN78XX)
+ || OCTEON_IS_MODEL(OCTEON_CNF75XX)
+ || OCTEON_IS_MODEL(OCTEON_CN73XX));
+
+ default:
+ break;
+ }
+ return false;
+}
+
+#endif /* __OCTEON_FEATURE_H__ */