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authorDavid Hendricks <dhendricks@fb.com>2018-03-09 14:30:38 -0800
committerPhilipp Deppenwiese <zaolin.daisuki@gmail.com>2018-07-03 15:53:32 +0000
commit7d48ac5c7dfb52fc470bbad1013b4d460bc6a1e0 (patch)
tree42002ba1e86627339ff4a6cf38efb4b3f00033bb /src/vendorcode/cavium/include/bdk/libbdk-hal/if/bdk-if.h
parentd837e660074e0621d63f59515f933c209441b653 (diff)
soc/cavium: Integrate BDK files into coreboot
* Make it compile. * Fix whitespace errors. * Fix printf formats. * Add missing headers includes * Guard headers with ifdefs Compile DRAM init code in romstage. Compile QLM, PCIe, RNG, PHY, GPIO, MDIO init code in ramstage. Change-Id: I0a93219a14bfb6ebe41103a825d5032b11e7f2c6 Signed-off-by: David Hendricks <dhendricks@fb.com> Reviewed-on: https://review.coreboot.org/25089 Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/vendorcode/cavium/include/bdk/libbdk-hal/if/bdk-if.h')
-rw-r--r--src/vendorcode/cavium/include/bdk/libbdk-hal/if/bdk-if.h326
1 files changed, 326 insertions, 0 deletions
diff --git a/src/vendorcode/cavium/include/bdk/libbdk-hal/if/bdk-if.h b/src/vendorcode/cavium/include/bdk/libbdk-hal/if/bdk-if.h
new file mode 100644
index 0000000000..c3ede0acc8
--- /dev/null
+++ b/src/vendorcode/cavium/include/bdk/libbdk-hal/if/bdk-if.h
@@ -0,0 +1,326 @@
+#ifndef __CB_BDK_HAL_IF_BDK_IF_H__
+#define __CB_BDK_HAL_IF_BDK_IF_H__
+/***********************license start***********************************
+* Copyright (c) 2003-2017 Cavium Inc. (support@cavium.com). All rights
+* reserved.
+*
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are
+* met:
+*
+* * Redistributions of source code must retain the above copyright
+* notice, this list of conditions and the following disclaimer.
+*
+* * Redistributions in binary form must reproduce the above
+* copyright notice, this list of conditions and the following
+* disclaimer in the documentation and/or other materials provided
+* with the distribution.
+*
+* * Neither the name of Cavium Inc. nor the names of
+* its contributors may be used to endorse or promote products
+* derived from this software without specific prior written
+* permission.
+*
+* This Software, including technical data, may be subject to U.S. export
+* control laws, including the U.S. Export Administration Act and its
+* associated regulations, and may be subject to export or import
+* regulations in other countries.
+*
+* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
+* AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR
+* WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT
+* TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
+* REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
+* DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES
+* OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR
+* PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT,
+* QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK
+* ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
+***********************license end**************************************/
+
+/**
+ * @file
+ *
+ * Interface to external interfaces (SGMII, XAUI, etc)
+ *
+ * <hr>$Revision: 45089 $<hr>
+ *
+ * @defgroup packetio Packet Input / Output
+ * @addtogroup packetio
+ * @{
+ */
+
+
+#define BDK_BGX_PKI 0 /* When defined and non zero BGX will use PKI interface for receive */
+#define BDK_BGX_PKO 0 /* When defined and non zero BGX will use PKO interface for transmit */
+
+#define BDK_IF_MAX_GATHER 12 /* CN88XX RX supports 12 at most */
+
+/* PHY address encoding:
+ Bits[31:24]: Node ID, 0xff for node the ethernet device is on
+ Bits[23:16]: Only used for TWSI
+ Bits[15:12]: PHY connection type (0=MDIO, 1=Fixed, 2=TWSI)
+ For MDIO:
+ Bits[31:24]: Node ID, 0xff for node the ethernet device is on
+ Bits[23:16]: 0
+ Bits[15:12]: 0=MDIO
+ Bits[11:8]: MDIO bus number
+ Bits[7:0]: MDIO address
+ For Fixed:
+ Bits[31:24]: 0
+ Bits[23:16]: Zero
+ Bits[15:12]: 1=Fixed
+ Bits[11:0]: 0 = 1Gb, 1 = 100Mb
+ For TWSI:
+ Bits[31:24]: Node ID, 0xff for node the ethernet device is on
+ Bits[23:16]: TWSI internal address width in bytes (0-2)
+ Bits[15:12]: 2=TWSI
+ Bits[11:8]: TWSI bus number
+ Bits[7:0]: TWSI address
+ */
+#define BDK_IF_PHY_TYPE_MASK 0xf000
+#define BDK_IF_PHY_MDIO 0x0000
+#define BDK_IF_PHY_TWSI 0x2000
+#define BDK_IF_PHY_FIXED_1GB 0x1000
+#define BDK_IF_PHY_FIXED_100MB 0x1001
+
+/**
+ * Enumeration of different interfaces.
+ */
+typedef enum
+{
+ BDK_IF_BGX,
+ BDK_IF_PCIE,
+ BDK_IF_FAKE,
+ BDK_IF_LBK,
+ BDK_IF_RGX,
+ BDK_IF_CGX,
+ __BDK_IF_LAST
+} bdk_if_t;
+
+typedef enum
+{
+ BDK_IF_FLAGS_HAS_FCS = 1, /* The device adds and removes an FCS. On thunder we assume the hardware strips FCS */
+ BDK_IF_FLAGS_ENABLED = 2,
+} bdk_if_flags_t;
+
+typedef union
+{
+ uint64_t u64;
+ struct
+ {
+ uint64_t reserved2 : 32;
+ unsigned speed : 24;
+ unsigned lanes : 6;
+ int full_duplex : 1;
+ int up : 1;
+ } s;
+} bdk_if_link_t;
+
+typedef struct
+{
+ uint64_t dropped_octets;
+ uint64_t dropped_packets;
+ uint64_t octets;
+ uint64_t packets;
+ uint64_t errors;
+} __bdk_if_stats_t;
+
+typedef struct
+{
+ __bdk_if_stats_t rx;
+ __bdk_if_stats_t tx;
+} bdk_if_stats_t;
+
+typedef struct __bdk_if_port
+{
+ bdk_if_t iftype : 8;
+ bdk_node_t node : 8;
+ int interface : 8;
+ int index : 8;
+ bdk_if_flags_t flags : 8;
+ int pknd : 8; /* NIC/PKI packet kind */
+ int16_t pki_channel; /* PKI/SSO channel number, or -1 if not used */
+ int16_t pki_dstat; /* PKI DSTAT ID used for receive stats */
+ int16_t pko_queue; /* PKO DQ number, or -1 if not used */
+ int16_t aura; /* FPA aura number */
+ int16_t nic_id; /* NIC ID in use, or -1 if not used. Encoded as NIC_VF * 8 + index */
+ void * receiver; /* This is a bdk_if_packet_receiver_t */
+ void * receiver_arg;
+ bdk_if_stats_t stats;
+ bdk_if_link_t link_info;
+ char name[16];
+ struct __bdk_if_port *next;
+ struct __bdk_if_port *poll_next;
+ char priv[0];
+} __bdk_if_port_t;
+
+typedef __bdk_if_port_t *bdk_if_handle_t;
+
+/**
+ * Format of each gather/segment entry in a packet. This is unrelated to
+ * the underlying hardware format, but is designed to be simple to munge
+ * into a hardware format. Note that only 48 bits are stored for the
+ * address. This address is a physical address not mean for SMMU translation.
+ */
+typedef union
+{
+ uint64_t u;
+ struct
+ {
+#if __BYTE_ORDER == __BIG_ENDIAN
+ uint64_t size : 16;
+ uint64_t address : 48;
+#else
+ uint64_t address : 48;
+ uint64_t size : 16;
+#endif
+ } s;
+} bdk_packet_ptr_t;
+
+typedef enum
+{
+ BDK_IF_TYPE_UNKNOWN, /* Not set */
+ BDK_IF_TYPE_UDP4, /* IPv4 + UDP */
+ BDK_IF_TYPE_TCP4, /* IPv4 + TCP */
+} bdk_if_type_t;
+
+/**
+ * The packet format for the BDK. This structure is designed to be exactly
+ * one cache line to promote alignment and avoid false aliasing. Note that the
+ * packet structure is independent from the packet data and can have a shorter
+ * lifespan. The packet structure is normally on the stack and disappears on
+ * stack unwind. Code requiring its data to stick around needs to copy it, but
+ * not the data in the gather list.
+ */
+typedef struct
+{
+ bdk_if_handle_t if_handle; /* Handle to interface this packet was received on */
+ int length; /* Length of the packet in bytes */
+ int segments; /* Number of segments the packet is spread over */
+ int rx_error; /* Error number when packet was receive or zero for no error */
+ bdk_if_type_t packet_type : 16; /* Type of the packet, so sender doesn't need to walk packet */
+ uint16_t mtu; /* MTU for hardware fragment, such as TSO */
+ uint64_t reserved2; /* Reserved for future use */
+ bdk_packet_ptr_t packet[BDK_IF_MAX_GATHER]; /* List of segements. Each has a physical address and length */
+} bdk_if_packet_t;
+
+typedef enum
+{
+ BDK_IF_LOOPBACK_NONE = 0,
+ BDK_IF_LOOPBACK_INTERNAL = 1,
+ BDK_IF_LOOPBACK_EXTERNAL = 2,
+ BDK_IF_LOOPBACK_INTERNAL_EXTERNAL = 3,
+} bdk_if_loopback_t;
+
+typedef void (*bdk_if_packet_receiver_t)(const bdk_if_packet_t *packet, void *arg);
+
+typedef struct
+{
+ int priv_size;
+ int (*if_num_interfaces)(bdk_node_t node); /* Returns the number of interfaces possible on this chip */
+ int (*if_num_ports)(bdk_node_t node, int interface); /* For given interface, returns the number of ports on it */
+ int (*if_probe)(bdk_if_handle_t handle); /* Probe to see if a port exists */
+ int (*if_init)(bdk_if_handle_t handle); /* One time hardware init */
+ int (*if_enable)(bdk_if_handle_t handle); /* Enable packet IO. must be called after init */
+ int (*if_disable)(bdk_if_handle_t handle); /* Disable packet IO */
+ bdk_if_link_t (*if_link_get)(bdk_if_handle_t handle); /* Get link speed and state */
+ void (*if_link_set)(bdk_if_handle_t handle, bdk_if_link_t link_info); /* Set link speed and state */
+ const bdk_if_stats_t *(*if_get_stats)(bdk_if_handle_t handle); /* Get stats */
+ int (*if_transmit)(bdk_if_handle_t handle, const bdk_if_packet_t *packet); /* TX a packet */
+ int (*if_loopback)(bdk_if_handle_t handle, bdk_if_loopback_t loopback); /* Configure loopback for the port */
+ int (*if_get_queue_depth)(bdk_if_handle_t handle); /* Get the current TX queue depth */
+ uint64_t (*if_get_lane_mask)(bdk_if_handle_t handle); /* Get a mask of the QLM lanes used by this handle */
+} __bdk_if_ops_t;
+
+typedef struct
+{
+ int (*init)(void);
+ uint64_t (*alloc)(int length);
+ void (*free)(uint64_t address, int length);
+} __bdk_if_global_ops_t;
+
+extern int bdk_if_is_configured(void);
+extern int bdk_if_num_interfaces(bdk_node_t node, bdk_if_t iftype);
+extern int bdk_if_num_ports(bdk_node_t node, bdk_if_t iftype, int interface);
+extern bdk_if_handle_t bdk_if_next_port(bdk_if_handle_t handle);
+
+extern int bdk_if_enable(bdk_if_handle_t handle);
+extern int bdk_if_disable(bdk_if_handle_t handle);
+extern int bdk_if_loopback(bdk_if_handle_t handle, bdk_if_loopback_t loopback);
+
+extern const char *bdk_if_name(bdk_if_handle_t handle);
+extern bdk_if_link_t bdk_if_link_get(bdk_if_handle_t handle);
+extern bdk_if_link_t bdk_if_link_autoconf(bdk_if_handle_t handle);
+extern const bdk_if_stats_t *bdk_if_get_stats(bdk_if_handle_t handle);
+extern bdk_if_link_t __bdk_if_phy_get(bdk_node_t dev_node, int phy_addr);
+extern int bdk_if_get_queue_depth(bdk_if_handle_t handle);
+extern int bdk_if_link_wait_all(uint64_t timeout_us);
+extern int bdk_if_phy_setup(bdk_node_t node);
+extern int bdk_if_phy_vetesse_setup(bdk_node_t node, int qlm, int mdio_bus, int phy_addr);
+extern int bdk_if_phy_marvell_setup(bdk_node_t node, int qlm, int mdio_bus, int phy_addr);
+extern int bdk_if_phy_vsc8514_setup(bdk_node_t node, int qlm, int mdio_bus, int phy_addr);
+extern int bdk_if_transmit(bdk_if_handle_t handle, bdk_if_packet_t *packet);
+extern void bdk_if_register_for_packets(bdk_if_handle_t handle, bdk_if_packet_receiver_t receiver, void *arg);
+extern int bdk_if_alloc(bdk_if_packet_t *packet, int length);
+extern void bdk_if_free(bdk_if_packet_t *packet);
+extern void bdk_if_packet_read(const bdk_if_packet_t *packet, int location, int length, void *data);
+extern void bdk_if_packet_write(bdk_if_packet_t *packet, int location, int length, const void *data);
+
+extern uint64_t bdk_update_stat_with_overflow(uint64_t new_value, uint64_t old_value, int bit_size);
+extern void __bdk_if_phy_xs_init(bdk_node_t dev_node, int phy_addr);
+
+/**
+ * Get interface type. Use this function instead of accessing the handle
+ * directly. The handle is considered private and may change.
+ *
+ * @param handle Handle of port to get info for
+ *
+ * @return Interface type
+ */
+static inline bdk_if_t bdk_if_get_type(bdk_if_handle_t handle)
+{
+ return handle->iftype;
+}
+
+/**
+ * Called by each interface driver to process a received packet. After calling
+ * this function, it is the responsibility of each driver to free any resources
+ * used by the packet, probably by calling bdk_if_free().
+ *
+ * @param packet Packet that was received
+ */
+static inline void bdk_if_dispatch_packet(const bdk_if_packet_t *packet)
+{
+ void *receiver_arg = packet->if_handle->receiver_arg;
+ bdk_if_packet_receiver_t receiver = packet->if_handle->receiver;
+ if (receiver)
+ receiver(packet, receiver_arg);
+}
+
+/**
+ * Get the base QLM used by this handle. For network interfaces that uses QLMs,
+ * return the QLM number of lane 0. Note that some network interfaces span multiple
+ * QLM/DLM. This will return the lowest QLM/DLM number.
+ *
+ * @param handle Handle to query
+ *
+ * @return QLM/DLM number, or -1 if handle doesn't use SERDES
+ */
+extern int bdk_if_get_qlm(bdk_if_handle_t handle);
+
+/**
+ * Get a mask of the QLM/DLM lanes used by this handle. A bit is set for each lane
+ * used by the interface. Some ports span multiple QLM/DLM. In this case the bits
+ * set will be wider than the QLM/DLM, signalling that the next QLM/DLM is needed
+ * too.
+ *
+ * @param handle Handle to query
+ *
+ * @return Lane mask, or zero if no SERDES lanes are used
+ */
+extern uint64_t bdk_if_get_lane_mask(bdk_if_handle_t handle);
+
+/** @} */
+#endif