mips: octeon: Add misc remaining header files
Import misc remaining header files from 2013 U-Boot. These will be used
by the later added drivers to support PCIe and networking on the MIPS
Octeon II / III platforms.
Signed-off-by: Aaron Williams <awilliams@marvell.com>
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Aaron Williams <awilliams@marvell.com>
Cc: Chandrakala Chavva <cchavva@marvell.com>
Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
diff --git a/arch/mips/mach-octeon/include/mach/cvmx-ipd.h b/arch/mips/mach-octeon/include/mach/cvmx-ipd.h
new file mode 100644
index 0000000..cdff36f
--- /dev/null
+++ b/arch/mips/mach-octeon/include/mach/cvmx-ipd.h
@@ -0,0 +1,233 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2020 Marvell International Ltd.
+ *
+ * Interface to the hardware Input Packet Data unit.
+ */
+
+#ifndef __CVMX_IPD_H__
+#define __CVMX_IPD_H__
+
+#include "cvmx-pki.h"
+
+/* CSR typedefs have been moved to cvmx-ipd-defs.h */
+
+typedef cvmx_ipd_1st_mbuff_skip_t cvmx_ipd_mbuff_not_first_skip_t;
+typedef cvmx_ipd_1st_next_ptr_back_t cvmx_ipd_second_next_ptr_back_t;
+
+typedef struct cvmx_ipd_tag_fields {
+ u64 ipv6_src_ip : 1;
+ u64 ipv6_dst_ip : 1;
+ u64 ipv6_src_port : 1;
+ u64 ipv6_dst_port : 1;
+ u64 ipv6_next_header : 1;
+ u64 ipv4_src_ip : 1;
+ u64 ipv4_dst_ip : 1;
+ u64 ipv4_src_port : 1;
+ u64 ipv4_dst_port : 1;
+ u64 ipv4_protocol : 1;
+ u64 input_port : 1;
+} cvmx_ipd_tag_fields_t;
+
+typedef struct cvmx_pip_port_config {
+ u64 parse_mode;
+ u64 tag_type;
+ u64 tag_mode;
+ cvmx_ipd_tag_fields_t tag_fields;
+} cvmx_pip_port_config_t;
+
+typedef struct cvmx_ipd_config_struct {
+ u64 first_mbuf_skip;
+ u64 not_first_mbuf_skip;
+ u64 ipd_enable;
+ u64 enable_len_M8_fix;
+ u64 cache_mode;
+ cvmx_fpa_pool_config_t packet_pool;
+ cvmx_fpa_pool_config_t wqe_pool;
+ cvmx_pip_port_config_t port_config;
+} cvmx_ipd_config_t;
+
+extern cvmx_ipd_config_t cvmx_ipd_cfg;
+
+/**
+ * Gets the fpa pool number of packet pool
+ */
+static inline s64 cvmx_fpa_get_packet_pool(void)
+{
+ return (cvmx_ipd_cfg.packet_pool.pool_num);
+}
+
+/**
+ * Gets the buffer size of packet pool buffer
+ */
+static inline u64 cvmx_fpa_get_packet_pool_block_size(void)
+{
+ return (cvmx_ipd_cfg.packet_pool.buffer_size);
+}
+
+/**
+ * Gets the buffer count of packet pool
+ */
+static inline u64 cvmx_fpa_get_packet_pool_buffer_count(void)
+{
+ return (cvmx_ipd_cfg.packet_pool.buffer_count);
+}
+
+/**
+ * Gets the fpa pool number of wqe pool
+ */
+static inline s64 cvmx_fpa_get_wqe_pool(void)
+{
+ return (cvmx_ipd_cfg.wqe_pool.pool_num);
+}
+
+/**
+ * Gets the buffer size of wqe pool buffer
+ */
+static inline u64 cvmx_fpa_get_wqe_pool_block_size(void)
+{
+ return (cvmx_ipd_cfg.wqe_pool.buffer_size);
+}
+
+/**
+ * Gets the buffer count of wqe pool
+ */
+static inline u64 cvmx_fpa_get_wqe_pool_buffer_count(void)
+{
+ return (cvmx_ipd_cfg.wqe_pool.buffer_count);
+}
+
+/**
+ * Sets the ipd related configuration in internal structure which is then used
+ * for seting IPD hardware block
+ */
+int cvmx_ipd_set_config(cvmx_ipd_config_t ipd_config);
+
+/**
+ * Gets the ipd related configuration from internal structure.
+ */
+void cvmx_ipd_get_config(cvmx_ipd_config_t *ipd_config);
+
+/**
+ * Sets the internal FPA pool data structure for packet buffer pool.
+ * @param pool fpa pool number yo use
+ * @param buffer_size buffer size of pool
+ * @param buffer_count number of buufers to allocate to pool
+ */
+void cvmx_ipd_set_packet_pool_config(s64 pool, u64 buffer_size, u64 buffer_count);
+
+/**
+ * Sets the internal FPA pool data structure for wqe pool.
+ * @param pool fpa pool number yo use
+ * @param buffer_size buffer size of pool
+ * @param buffer_count number of buufers to allocate to pool
+ */
+void cvmx_ipd_set_wqe_pool_config(s64 pool, u64 buffer_size, u64 buffer_count);
+
+/**
+ * Gets the FPA packet buffer pool parameters.
+ */
+static inline void cvmx_fpa_get_packet_pool_config(s64 *pool, u64 *buffer_size, u64 *buffer_count)
+{
+ if (pool)
+ *pool = cvmx_ipd_cfg.packet_pool.pool_num;
+ if (buffer_size)
+ *buffer_size = cvmx_ipd_cfg.packet_pool.buffer_size;
+ if (buffer_count)
+ *buffer_count = cvmx_ipd_cfg.packet_pool.buffer_count;
+}
+
+/**
+ * Sets the FPA packet buffer pool parameters.
+ */
+static inline void cvmx_fpa_set_packet_pool_config(s64 pool, u64 buffer_size, u64 buffer_count)
+{
+ cvmx_ipd_set_packet_pool_config(pool, buffer_size, buffer_count);
+}
+
+/**
+ * Gets the FPA WQE pool parameters.
+ */
+static inline void cvmx_fpa_get_wqe_pool_config(s64 *pool, u64 *buffer_size, u64 *buffer_count)
+{
+ if (pool)
+ *pool = cvmx_ipd_cfg.wqe_pool.pool_num;
+ if (buffer_size)
+ *buffer_size = cvmx_ipd_cfg.wqe_pool.buffer_size;
+ if (buffer_count)
+ *buffer_count = cvmx_ipd_cfg.wqe_pool.buffer_count;
+}
+
+/**
+ * Sets the FPA WQE pool parameters.
+ */
+static inline void cvmx_fpa_set_wqe_pool_config(s64 pool, u64 buffer_size, u64 buffer_count)
+{
+ cvmx_ipd_set_wqe_pool_config(pool, buffer_size, buffer_count);
+}
+
+/**
+ * Configure IPD
+ *
+ * @param mbuff_size Packets buffer size in 8 byte words
+ * @param first_mbuff_skip
+ * Number of 8 byte words to skip in the first buffer
+ * @param not_first_mbuff_skip
+ * Number of 8 byte words to skip in each following buffer
+ * @param first_back Must be same as first_mbuff_skip / 128
+ * @param second_back
+ * Must be same as not_first_mbuff_skip / 128
+ * @param wqe_fpa_pool
+ * FPA pool to get work entries from
+ * @param cache_mode
+ * @param back_pres_enable_flag
+ * Enable or disable port back pressure at a global level.
+ * This should always be 1 as more accurate control can be
+ * found in IPD_PORTX_BP_PAGE_CNT[BP_ENB].
+ */
+void cvmx_ipd_config(u64 mbuff_size, u64 first_mbuff_skip, u64 not_first_mbuff_skip, u64 first_back,
+ u64 second_back, u64 wqe_fpa_pool, cvmx_ipd_mode_t cache_mode,
+ u64 back_pres_enable_flag);
+/**
+ * Enable IPD
+ */
+void cvmx_ipd_enable(void);
+
+/**
+ * Disable IPD
+ */
+void cvmx_ipd_disable(void);
+
+void __cvmx_ipd_free_ptr(void);
+
+void cvmx_ipd_set_packet_pool_buffer_count(u64 buffer_count);
+void cvmx_ipd_set_wqe_pool_buffer_count(u64 buffer_count);
+
+/**
+ * Setup Random Early Drop on a specific input queue
+ *
+ * @param queue Input queue to setup RED on (0-7)
+ * @param pass_thresh
+ * Packets will begin slowly dropping when there are less than
+ * this many packet buffers free in FPA 0.
+ * @param drop_thresh
+ * All incoming packets will be dropped when there are less
+ * than this many free packet buffers in FPA 0.
+ * @return Zero on success. Negative on failure
+ */
+int cvmx_ipd_setup_red_queue(int queue, int pass_thresh, int drop_thresh);
+
+/**
+ * Setup Random Early Drop to automatically begin dropping packets.
+ *
+ * @param pass_thresh
+ * Packets will begin slowly dropping when there are less than
+ * this many packet buffers free in FPA 0.
+ * @param drop_thresh
+ * All incoming packets will be dropped when there are less
+ * than this many free packet buffers in FPA 0.
+ * @return Zero on success. Negative on failure
+ */
+int cvmx_ipd_setup_red(int pass_thresh, int drop_thresh);
+
+#endif /* __CVMX_IPD_H__ */