[v4, 2/9] fsl/fman: Add the FMan port FLIB

From: igal.liberman
Date: Wed Aug 05 2015 - 09:54:20 EST

From: Igal Liberman <Igal.Liberman@xxxxxxxxxxxxx>

The FMan Port FLib provides basic API used by the drivers to
configure and control the FMan Port hardware.

Signed-off-by: Igal Liberman <Igal.Liberman@xxxxxxxxxxxxx>
---
drivers/net/ethernet/freescale/fman/Makefile | 2 +
.../ethernet/freescale/fman/flib/fsl_fman_port.h | 409 ++++++++++++++++
.../net/ethernet/freescale/fman/flib/fsl_fman_sp.h | 53 ++
drivers/net/ethernet/freescale/fman/port/Makefile | 3 +
.../net/ethernet/freescale/fman/port/fman_port.c | 510 ++++++++++++++++++++
5 files changed, 977 insertions(+)
create mode 100644 drivers/net/ethernet/freescale/fman/flib/fsl_fman_port.h
create mode 100644 drivers/net/ethernet/freescale/fman/flib/fsl_fman_sp.h
create mode 100644 drivers/net/ethernet/freescale/fman/port/Makefile
create mode 100644 drivers/net/ethernet/freescale/fman/port/fman_port.c

diff --git a/drivers/net/ethernet/freescale/fman/Makefile b/drivers/net/ethernet/freescale/fman/Makefile
index 2799c6f..50a4de2 100644
--- a/drivers/net/ethernet/freescale/fman/Makefile
+++ b/drivers/net/ethernet/freescale/fman/Makefile
@@ -3,3 +3,5 @@ subdir-ccflags-y += -I$(srctree)/drivers/net/ethernet/freescale/fman/flib
obj-y += fsl_fman.o

fsl_fman-objs := fman.o
+
+obj-y += port/
diff --git a/drivers/net/ethernet/freescale/fman/flib/fsl_fman_port.h b/drivers/net/ethernet/freescale/fman/flib/fsl_fman_port.h
new file mode 100644
index 0000000..6de0719
--- /dev/null
+++ b/drivers/net/ethernet/freescale/fman/flib/fsl_fman_port.h
@@ -0,0 +1,409 @@
+/*
+ * Copyright 2008 - 2015 Freescale Semiconductor Inc.
+ *
+ * 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 Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __FSL_FMAN_PORT_H
+#define __FSL_FMAN_PORT_H
+
+#include <linux/io.h>
+
+#include "fsl_fman_sp.h"
+
+/* Registers bit fields */
+
+/* BMI defines */
+#define BMI_EBD_EN 0x80000000
+
+#define BMI_PORT_CFG_EN 0x80000000
+#define BMI_PORT_CFG_FDOVR 0x02000000
+
+#define BMI_PORT_STATUS_BSY 0x80000000
+
+#define BMI_DMA_ATTR_SWP_SHIFT FMAN_SP_DMA_ATTR_SWP_SHIFT
+#define BMI_DMA_ATTR_IC_STASH_ON 0x10000000
+#define BMI_DMA_ATTR_HDR_STASH_ON 0x04000000
+#define BMI_DMA_ATTR_SG_STASH_ON 0x01000000
+#define BMI_DMA_ATTR_WRITE_OPTIMIZE FMAN_SP_DMA_ATTR_WRITE_OPTIMIZE
+
+#define BMI_RX_FIFO_PRI_ELEVATION_SHIFT 16
+#define BMI_RX_FIFO_THRESHOLD_ETHE 0x80000000
+
+#define BMI_FRAME_END_CS_IGNORE_SHIFT 24
+#define BMI_FRAME_END_CS_IGNORE_MASK 0x0000001f
+
+#define BMI_RX_FRAME_END_CUT_SHIFT 16
+#define BMI_RX_FRAME_END_CUT_MASK 0x0000001f
+
+#define BMI_IC_TO_EXT_SHIFT FMAN_SP_IC_TO_EXT_SHIFT
+#define BMI_IC_TO_EXT_MASK 0x0000001f
+#define BMI_IC_FROM_INT_SHIFT FMAN_SP_IC_FROM_INT_SHIFT
+#define BMI_IC_FROM_INT_MASK 0x0000000f
+#define BMI_IC_SIZE_MASK 0x0000001f
+
+#define BMI_INT_BUF_MARG_SHIFT 28
+#define BMI_INT_BUF_MARG_MASK 0x0000000f
+#define BMI_EXT_BUF_MARG_START_SHIFT FMAN_SP_EXT_BUF_MARG_START_SHIFT
+#define BMI_EXT_BUF_MARG_START_MASK 0x000001ff
+#define BMI_EXT_BUF_MARG_END_MASK 0x000001ff
+
+#define BMI_CMD_MR_LEAC 0x00200000
+#define BMI_CMD_MR_SLEAC 0x00100000
+#define BMI_CMD_MR_MA 0x00080000
+#define BMI_CMD_MR_DEAS 0x00040000
+#define BMI_CMD_RX_MR_DEF (BMI_CMD_MR_LEAC | \
+ BMI_CMD_MR_SLEAC | \
+ BMI_CMD_MR_MA | \
+ BMI_CMD_MR_DEAS)
+#define BMI_CMD_TX_MR_DEF 0
+
+#define BMI_CMD_ATTR_ORDER 0x80000000
+#define BMI_CMD_ATTR_SYNC 0x02000000
+#define BMI_CMD_ATTR_COLOR_SHIFT 26
+
+#define BMI_FIFO_PIPELINE_DEPTH_SHIFT 12
+#define BMI_FIFO_PIPELINE_DEPTH_MASK 0x0000000f
+#define BMI_NEXT_ENG_FD_BITS_SHIFT 24
+
+#define BMI_COUNTERS_EN 0x80000000
+
+#define BMI_EXT_BUF_POOL_VALID FMAN_SP_EXT_BUF_POOL_VALID
+#define BMI_EXT_BUF_POOL_EN_COUNTER FMAN_SP_EXT_BUF_POOL_EN_COUNTER
+#define BMI_EXT_BUF_POOL_BACKUP FMAN_SP_EXT_BUF_POOL_BACKUP
+#define BMI_EXT_BUF_POOL_ID_SHIFT 16
+#define BMI_EXT_BUF_POOL_ID_MASK 0x003F0000
+#define BMI_POOL_DEP_NUM_OF_POOLS_SHIFT 16
+
+#define BMI_TX_FIFO_MIN_FILL_SHIFT 16
+
+#define BMI_SG_DISABLE FMAN_SP_SG_DISABLE
+
+#define BMI_PRIORITY_ELEVATION_LEVEL \
+ ((0x3FF + 1) * FMAN_PORT_BMI_FIFO_UNITS)
+#define BMI_FIFO_THRESHOLD \
+ ((0x3FF + 1) * FMAN_PORT_BMI_FIFO_UNITS)
+
+#define BMI_DEQUEUE_PIPELINE_DEPTH(_type) \
+ (_type == E_FMAN_PORT_TYPE_TX_10G ? 4 : 1)
+
+/* QMI defines */
+#define QMI_PORT_CFG_EN 0x80000000
+#define QMI_PORT_CFG_EN_COUNTERS 0x10000000
+#define QMI_PORT_STATUS_DEQ_FD_BSY 0x20000000
+
+#define QMI_DEQ_CFG_PRI 0x80000000
+#define QMI_DEQ_CFG_TYPE1 0x10000000
+#define QMI_DEQ_CFG_TYPE2 0x20000000
+#define QMI_DEQ_CFG_TYPE3 0x30000000
+#define QMI_DEQ_CFG_PREFETCH_PARTIAL 0x01000000
+#define QMI_DEQ_CFG_PREFETCH_FULL 0x03000000
+#define QMI_DEQ_CFG_SP_MASK 0xf
+#define QMI_DEQ_CFG_SP_SHIFT 20
+
+#define QMI_HIGH_PRIORITY(_type) \
+ (_type == E_FMAN_PORT_TYPE_TX_10G ? true : false)
+#define QMI_BYTE_COUNT_LEVEL_CONTROL(_type) \
+ (_type == E_FMAN_PORT_TYPE_TX_10G ? 0x1400 : 0x400)
+
+/* General port defines */
+#define FMAN_PORT_MAX_EXT_POOLS_NUM 8
+#define FMAN_PORT_OBS_EXT_POOLS_NUM 2
+#define FMAN_PORT_CG_MAP_NUM 8
+#define FMAN_PORT_PRS_RESULT_WORDS_NUM 8
+#define FMAN_PORT_BMI_FIFO_UNITS 0x100
+#define FMAN_PORT_IC_OFFSET_UNITS 0x10
+
+/* NIA Description */
+#define NIA_ORDER_RESTOR 0x00800000
+#define NIA_ENG_FM_CTL 0x00000000
+#define NIA_ENG_BMI 0x00500000
+#define NIA_ENG_QMI_ENQ 0x00540000
+#define NIA_ENG_QMI_DEQ 0x00580000
+
+#define NIA_FM_CTL_AC_NO_IPACC_PRE_BMI_ENQ_FRAME 0x00000028
+#define NIA_BMI_AC_ENQ_FRAME 0x00000002
+#define NIA_BMI_AC_TX_RELEASE 0x000002C0
+#define NIA_BMI_AC_RELEASE 0x000000C0
+#define NIA_BMI_AC_TX 0x00000274
+#define NIA_BMI_AC_FETCH 0x00000208
+#define NIA_BMI_AC_FETCH_ALL_FRAME 0x0000020c
+
+#define DEFAULT_FRAME_QUEUE_ID 0x00FFFFFF
+#define ERROR_FRAME_QUEUE_ID 0x00FFFFFF
+#define DEFAULT_CONF_FRAME_QUEUE_ID 0x00FFFFFF
+
+/* FM Port Register Map */
+
+/* BMI Rx port register map */
+struct fman_port_rx_bmi_regs {
+ u32 fmbm_rcfg; /* Rx Configuration */
+ u32 fmbm_rst; /* Rx Status */
+ u32 fmbm_rda; /* Rx DMA attributes */
+ u32 fmbm_rfp; /* Rx FIFO Parameters */
+ u32 fmbm_rfed; /* Rx Frame End Data */
+ u32 fmbm_ricp; /* Rx Internal Context Parameters */
+ u32 fmbm_rim; /* Rx Internal Buffer Margins */
+ u32 fmbm_rebm; /* Rx External Buffer Margins */
+ u32 fmbm_rfne; /* Rx Frame Next Engine */
+ u32 fmbm_rfca; /* Rx Frame Command Attributes. */
+ u32 fmbm_rfpne; /* Rx Frame Parser Next Engine */
+ u32 fmbm_rpso; /* Rx Parse Start Offset */
+ u32 fmbm_rpp; /* Rx Policer Profile */
+ u32 fmbm_rccb; /* Rx Coarse Classification Base */
+ u32 fmbm_reth; /* Rx Excessive Threshold */
+ u32 reserved003c[1]; /* (0x03C 0x03F) */
+ u32 fmbm_rprai[FMAN_PORT_PRS_RESULT_WORDS_NUM];
+ /* Rx Parse Results Array Init */
+ u32 fmbm_rfqid; /* Rx Frame Queue ID */
+ u32 fmbm_refqid; /* Rx Error Frame Queue ID */
+ u32 fmbm_rfsdm; /* Rx Frame Status Discard Mask */
+ u32 fmbm_rfsem; /* Rx Frame Status Error Mask */
+ u32 fmbm_rfene; /* Rx Frame Enqueue Next Engine */
+ u32 reserved0074[0x2]; /* (0x074-0x07C) */
+ u32 fmbm_rcmne; /* Rx Frame Continuous Mode Next Engine */
+ u32 reserved0080[0x20];/* (0x080 0x0FF) */
+ u32 fmbm_ebmpi[FMAN_PORT_MAX_EXT_POOLS_NUM];
+ /* Buffer Manager pool Information- */
+ u32 fmbm_acnt[FMAN_PORT_MAX_EXT_POOLS_NUM]; /* Allocate Counter- */
+ u32 reserved0130[8]; /* 0x130/0x140 - 0x15F reserved - */
+ u32 fmbm_rcgm[FMAN_PORT_CG_MAP_NUM]; /* Congestion Group Map */
+ u32 fmbm_mpd; /* BM Pool Depletion */
+ u32 reserved0184[0x1F]; /* (0x184 0x1FF) */
+ u32 fmbm_rstc; /* Rx Statistics Counters */
+ u32 fmbm_rfrc; /* Rx Frame Counter */
+ u32 fmbm_rfbc; /* Rx Bad Frames Counter */
+ u32 fmbm_rlfc; /* Rx Large Frames Counter */
+ u32 fmbm_rffc; /* Rx Filter Frames Counter */
+ u32 fmbm_rfdc; /* Rx Frame Discard Counter */
+ u32 fmbm_rfldec; /* Rx Frames List DMA Error Counter */
+ u32 fmbm_rodc; /* Rx Out of Buffers Discard nntr */
+ u32 fmbm_rbdc; /* Rx Buffers Deallocate Counter */
+ u32 reserved0224[0x17]; /* (0x224 0x27F) */
+ u32 fmbm_rpc; /* Rx Performance Counters */
+ u32 fmbm_rpcp; /* Rx Performance Count Parameters */
+ u32 fmbm_rccn; /* Rx Cycle Counter */
+ u32 fmbm_rtuc; /* Rx Tasks Utilization Counter */
+ u32 fmbm_rrquc; /* Rx Receive Queue Utilization cntr */
+ u32 fmbm_rduc; /* Rx DMA Utilization Counter */
+ u32 fmbm_rfuc; /* Rx FIFO Utilization Counter */
+ u32 fmbm_rpac; /* Rx Pause Activation Counter */
+ u32 reserved02a0[0x18]; /* (0x2A0 0x2FF) */
+ u32 fmbm_rdbg; /* Rx Debug- */
+};
+
+/* BMI Tx port register map */
+struct fman_port_tx_bmi_regs {
+ u32 fmbm_tcfg; /* Tx Configuration */
+ u32 fmbm_tst; /* Tx Status */
+ u32 fmbm_tda; /* Tx DMA attributes */
+ u32 fmbm_tfp; /* Tx FIFO Parameters */
+ u32 fmbm_tfed; /* Tx Frame End Data */
+ u32 fmbm_ticp; /* Tx Internal Context Parameters */
+ u32 fmbm_tfdne; /* Tx Frame Dequeue Next Engine. */
+ u32 fmbm_tfca; /* Tx Frame Command attribute. */
+ u32 fmbm_tcfqid; /* Tx Confirmation Frame Queue ID. */
+ u32 fmbm_tefqid; /* Tx Frame Error Queue ID */
+ u32 fmbm_tfene; /* Tx Frame Enqueue Next Engine */
+ u32 fmbm_trlmts; /* Tx Rate Limiter Scale */
+ u32 fmbm_trlmt; /* Tx Rate Limiter */
+ u32 reserved0034[0x0e]; /* (0x034-0x6c) */
+ u32 fmbm_tccb; /* Tx Coarse Classification base */
+ u32 fmbm_tfne; /* Tx Frame Next Engine */
+ u32 fmbm_tpfcm[0x02];
+ /* Tx Priority based Flow Control (PFC) Mapping */
+ u32 fmbm_tcmne; /* Tx Frame Continuous Mode Next Engine */
+ u32 reserved0080[0x60]; /* (0x080-0x200) */
+ u32 fmbm_tstc; /* Tx Statistics Counters */
+ u32 fmbm_tfrc; /* Tx Frame Counter */
+ u32 fmbm_tfdc; /* Tx Frames Discard Counter */
+ u32 fmbm_tfledc; /* Tx Frame len error discard cntr */
+ u32 fmbm_tfufdc; /* Tx Frame unsprt frmt discard cntr */
+ u32 fmbm_tbdc; /* Tx Buffers Deallocate Counter */
+ u32 reserved0218[0x1A]; /* (0x218-0x280) */
+ u32 fmbm_tpc; /* Tx Performance Counters */
+ u32 fmbm_tpcp; /* Tx Performance Count Parameters */
+ u32 fmbm_tccn; /* Tx Cycle Counter */
+ u32 fmbm_ttuc; /* Tx Tasks Utilization Counter */
+ u32 fmbm_ttcquc; /* Tx Transmit conf Q util Counter */
+ u32 fmbm_tduc; /* Tx DMA Utilization Counter */
+ u32 fmbm_tfuc; /* Tx FIFO Utilization Counter */
+};
+
+/* BMI port register map */
+union fman_port_bmi_regs {
+ struct fman_port_rx_bmi_regs rx;
+ struct fman_port_tx_bmi_regs tx;
+};
+
+/* QMI port register map */
+struct fman_port_qmi_regs {
+ u32 fmqm_pnc; /* PortID n Configuration Register */
+ u32 fmqm_pns; /* PortID n Status Register */
+ u32 fmqm_pnts; /* PortID n Task Status Register */
+ u32 reserved00c[4]; /* 0xn00C - 0xn01B */
+ u32 fmqm_pnen; /* PortID n Enqueue NIA Register */
+ u32 fmqm_pnetfc; /* PortID n Enq Total Frame Counter */
+ u32 reserved024[2]; /* 0xn024 - 0x02B */
+ u32 fmqm_pndn; /* PortID n Dequeue NIA Register */
+ u32 fmqm_pndc; /* PortID n Dequeue Config Register */
+ u32 fmqm_pndtfc; /* PortID n Dequeue tot Frame cntr */
+ u32 fmqm_pndfdc; /* PortID n Dequeue FQID Dflt Cntr */
+ u32 fmqm_pndcc; /* PortID n Dequeue Confirm Counter */
+};
+
+enum fman_port_dma_swap {
+ E_FMAN_PORT_DMA_NO_SWAP, /* No swap, transfer data as is */
+ E_FMAN_PORT_DMA_SWAP_LE,
+ /* The transferred data should be swapped in PPC Little Endian mode */
+ E_FMAN_PORT_DMA_SWAP_BE
+ /* The transferred data should be swapped in Big Endian mode */
+};
+
+/* Default port color */
+enum fman_port_color {
+ E_FMAN_PORT_COLOR_GREEN, /* Default port color is green */
+ E_FMAN_PORT_COLOR_YELLOW, /* Default port color is yellow */
+ E_FMAN_PORT_COLOR_RED, /* Default port color is red */
+ E_FMAN_PORT_COLOR_OVERRIDE /* Ignore color */
+};
+
+/* QMI dequeue from the SP channel - types */
+enum fman_port_deq_type {
+ E_FMAN_PORT_DEQ_BY_PRI,
+ /* Priority precedence and Intra-Class scheduling */
+ E_FMAN_PORT_DEQ_ACTIVE_FQ,
+ /* Active FQ precedence and Intra-Class scheduling */
+ E_FMAN_PORT_DEQ_ACTIVE_FQ_NO_ICS
+ /* Active FQ precedence and override Intra-Class scheduling */
+};
+
+/* QMI dequeue prefetch modes */
+enum fman_port_deq_prefetch {
+ E_FMAN_PORT_DEQ_NO_PREFETCH, /* No prefetch mode */
+ E_FMAN_PORT_DEQ_PART_PREFETCH, /* Partial prefetch mode */
+ E_FMAN_PORT_DEQ_FULL_PREFETCH /* Full prefetch mode */
+};
+
+/* FM Port configuration structure, used at init */
+struct fman_port_cfg {
+ /* BMI parameters */
+ enum fman_port_dma_swap dma_swap_data;
+ bool dma_ic_stash_on;
+ bool dma_header_stash_on;
+ bool dma_sg_stash_on;
+ bool dma_write_optimize;
+ u32 ic_ext_offset;
+ u32 ic_int_offset;
+ u32 ic_size;
+ enum fman_port_color color;
+ bool sync_req;
+ bool discard_override;
+ u32 checksum_bytes_ignore;
+ u32 rx_cut_end_bytes;
+ u32 rx_pri_elevation;
+ u32 rx_fifo_thr;
+ u8 rx_fd_bits;
+ u32 int_buf_start_margin;
+ u32 ext_buf_start_margin;
+ u32 ext_buf_end_margin;
+ u32 tx_fifo_min_level;
+ u32 tx_fifo_low_comf_level;
+ u32 tx_fifo_deq_pipeline_depth;
+ /* QMI parameters */
+ bool deq_high_pri;
+ enum fman_port_deq_type deq_type;
+ enum fman_port_deq_prefetch deq_prefetch_opt;
+ u16 deq_byte_cnt;
+ bool no_scatter_gather;
+ int errata_A006675;
+ int errata_A006320;
+ int excessive_threshold_register;
+ int fmbm_rebm_has_sgd;
+ int fmbm_tfne_has_features;
+ int qmi_deq_options_support;
+};
+
+enum fman_port_type {
+ E_FMAN_PORT_TYPE_RX = 0, /* 1G Rx port */
+ E_FMAN_PORT_TYPE_RX_10G, /* 10G Rx port */
+ E_FMAN_PORT_TYPE_TX, /* 1G Tx port */
+ E_FMAN_PORT_TYPE_TX_10G, /* 10G Tx port */
+ E_FMAN_PORT_TYPE_DUMMY
+};
+
+struct fman_port_params {
+ u32 discard_mask;
+ u32 err_mask;
+ u32 dflt_fqid;
+ u32 err_fqid;
+ u32 deq_sp;
+ bool dont_release_buf;
+};
+
+/* Port context - used by most API functions */
+struct fman_port {
+ enum fman_port_type type;
+ u8 fm_rev_maj;
+ u8 fm_rev_min;
+ union fman_port_bmi_regs __iomem *bmi_regs;
+ struct fman_port_qmi_regs __iomem *qmi_regs;
+ u8 ext_pools_num;
+};
+
+/* External buffer pools configuration */
+struct fman_port_bpools {
+ u8 count; /* Num of pools to set up */
+ bool counters_enable; /* Enable allocate counters */
+ u8 grp_bp_depleted_num;
+ /* Number of depleted pools - if reached the BMI indicates
+ * the MAC to send a pause frame
+ */
+ struct {
+ u8 bpid; /* BM pool ID */
+ u16 size;
+ /* Pool's size - must be in ascending order */
+ bool is_backup;
+ /* If this is a backup pool */
+ bool grp_bp_depleted;
+ /* Consider this buffer in multiple pools depletion criteria */
+ bool single_bp_depleted;
+ /* Consider this buffer in single pool depletion criteria */
+ } bpool[FMAN_PORT_MAX_EXT_POOLS_NUM];
+};
+
+/* FM Port API */
+void fman_port_defconfig(struct fman_port_cfg *cfg, enum fman_port_type type);
+int fman_port_init(struct fman_port *port,
+ struct fman_port_cfg *cfg, struct fman_port_params *params);
+int fman_port_enable(struct fman_port *port);
+int fman_port_disable(const struct fman_port *port);
+int fman_port_set_bpools(const struct fman_port *port,
+ const struct fman_port_bpools *bp);
+
+#endif /* __FSL_FMAN_PORT_H */
diff --git a/drivers/net/ethernet/freescale/fman/flib/fsl_fman_sp.h b/drivers/net/ethernet/freescale/fman/flib/fsl_fman_sp.h
new file mode 100644
index 0000000..651d98e
--- /dev/null
+++ b/drivers/net/ethernet/freescale/fman/flib/fsl_fman_sp.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2008 - 2015 Freescale Semiconductor Inc.
+ *
+ * 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 Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __FSL_FMAN_SP_H
+#define __FSL_FMAN_SP_H
+
+#include "fsl_fman.h"
+
+/* Registers bit fields */
+#define FMAN_SP_EXT_BUF_POOL_EN_COUNTER 0x40000000
+#define FMAN_SP_EXT_BUF_POOL_VALID 0x80000000
+#define FMAN_SP_EXT_BUF_POOL_BACKUP 0x20000000
+#define FMAN_SP_DMA_ATTR_WRITE_OPTIMIZE 0x00100000
+#define FMAN_SP_SG_DISABLE 0x80000000
+
+/* shifts */
+#define FMAN_SP_EXT_BUF_MARG_START_SHIFT 16
+#define FMAN_SP_DMA_ATTR_SWP_SHIFT 30
+#define FMAN_SP_IC_TO_EXT_SHIFT 16
+#define FMAN_SP_IC_FROM_INT_SHIFT 8
+
+/* defaults */
+#define DEFAULT_FMAN_SP_NO_SCATTER_GATHER false
+
+#endif /* __FSL_FMAN_SP_H */
diff --git a/drivers/net/ethernet/freescale/fman/port/Makefile b/drivers/net/ethernet/freescale/fman/port/Makefile
new file mode 100644
index 0000000..54b1fa4
--- /dev/null
+++ b/drivers/net/ethernet/freescale/fman/port/Makefile
@@ -0,0 +1,3 @@
+obj-y += fsl_fman_port.o
+
+fsl_fman_port-objs := fman_port.o
diff --git a/drivers/net/ethernet/freescale/fman/port/fman_port.c b/drivers/net/ethernet/freescale/fman/port/fman_port.c
new file mode 100644
index 0000000..9c9e6f9
--- /dev/null
+++ b/drivers/net/ethernet/freescale/fman/port/fman_port.c
@@ -0,0 +1,510 @@
+/*
+ * Copyright 2008 - 2015 Freescale Semiconductor Inc.
+ *
+ * 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 Freescale Semiconductor nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "fsl_fman_port.h"
+
+static u32 get_no_pcd_nia_bmi_ac_enc_frame(struct fman_port_cfg *cfg)
+{
+ if (cfg->errata_A006675)
+ return NIA_ENG_FM_CTL |
+ NIA_FM_CTL_AC_NO_IPACC_PRE_BMI_ENQ_FRAME;
+ else
+ return NIA_ENG_BMI | NIA_BMI_AC_ENQ_FRAME;
+}
+
+static int init_bmi_rx(struct fman_port *port,
+ struct fman_port_cfg *cfg,
+ struct fman_port_params *params)
+{
+ struct fman_port_rx_bmi_regs __iomem *regs = &port->bmi_regs->rx;
+ u32 tmp;
+
+ /* Rx Configuration register */
+ tmp = 0;
+ if (cfg->discard_override)
+ tmp |= BMI_PORT_CFG_FDOVR;
+ iowrite32be(tmp, &regs->fmbm_rcfg);
+
+ /* DMA attributes */
+ tmp = (u32)cfg->dma_swap_data << BMI_DMA_ATTR_SWP_SHIFT;
+ if (cfg->dma_ic_stash_on)
+ tmp |= BMI_DMA_ATTR_IC_STASH_ON;
+ if (cfg->dma_header_stash_on)
+ tmp |= BMI_DMA_ATTR_HDR_STASH_ON;
+ if (cfg->dma_sg_stash_on)
+ tmp |= BMI_DMA_ATTR_SG_STASH_ON;
+ if (cfg->dma_write_optimize)
+ tmp |= BMI_DMA_ATTR_WRITE_OPTIMIZE;
+ iowrite32be(tmp, &regs->fmbm_rda);
+
+ /* Rx FIFO parameters */
+ tmp = (cfg->rx_pri_elevation / FMAN_PORT_BMI_FIFO_UNITS - 1) <<
+ BMI_RX_FIFO_PRI_ELEVATION_SHIFT;
+ tmp |= cfg->rx_fifo_thr / FMAN_PORT_BMI_FIFO_UNITS - 1;
+ iowrite32be(tmp, &regs->fmbm_rfp);
+
+ if (cfg->excessive_threshold_register)
+ /* always allow access to the extra resources */
+ iowrite32be(BMI_RX_FIFO_THRESHOLD_ETHE, &regs->fmbm_reth);
+
+ /* Frame end data */
+ tmp = (cfg->checksum_bytes_ignore & BMI_FRAME_END_CS_IGNORE_MASK) <<
+ BMI_FRAME_END_CS_IGNORE_SHIFT;
+ tmp |= (cfg->rx_cut_end_bytes & BMI_RX_FRAME_END_CUT_MASK) <<
+ BMI_RX_FRAME_END_CUT_SHIFT;
+ if (cfg->errata_A006320)
+ tmp &= 0xffe0ffff;
+ iowrite32be(tmp, &regs->fmbm_rfed);
+
+ /* Internal context parameters */
+ tmp = ((cfg->ic_ext_offset / FMAN_PORT_IC_OFFSET_UNITS) &
+ BMI_IC_TO_EXT_MASK) << BMI_IC_TO_EXT_SHIFT;
+ tmp |= ((cfg->ic_int_offset / FMAN_PORT_IC_OFFSET_UNITS) &
+ BMI_IC_FROM_INT_MASK) << BMI_IC_FROM_INT_SHIFT;
+ tmp |= (cfg->ic_size / FMAN_PORT_IC_OFFSET_UNITS) & BMI_IC_SIZE_MASK;
+ iowrite32be(tmp, &regs->fmbm_ricp);
+
+ /* Internal buffer offset */
+ tmp = ((cfg->int_buf_start_margin / FMAN_PORT_IC_OFFSET_UNITS) &
+ BMI_INT_BUF_MARG_MASK) << BMI_INT_BUF_MARG_SHIFT;
+ iowrite32be(tmp, &regs->fmbm_rim);
+
+ /* External buffer margins */
+ tmp = (cfg->ext_buf_start_margin & BMI_EXT_BUF_MARG_START_MASK) <<
+ BMI_EXT_BUF_MARG_START_SHIFT;
+ tmp |= cfg->ext_buf_end_margin & BMI_EXT_BUF_MARG_END_MASK;
+ if (cfg->fmbm_rebm_has_sgd && cfg->no_scatter_gather)
+ tmp |= BMI_SG_DISABLE;
+ iowrite32be(tmp, &regs->fmbm_rebm);
+
+ /* Frame attributes */
+ tmp = BMI_CMD_RX_MR_DEF;
+ tmp |= BMI_CMD_ATTR_ORDER;
+ tmp |= (u32)cfg->color << BMI_CMD_ATTR_COLOR_SHIFT;
+ if (cfg->sync_req)
+ tmp |= BMI_CMD_ATTR_SYNC;
+
+ iowrite32be(tmp, &regs->fmbm_rfca);
+
+ /* NIA */
+ tmp = (u32)cfg->rx_fd_bits << BMI_NEXT_ENG_FD_BITS_SHIFT;
+ tmp |= get_no_pcd_nia_bmi_ac_enc_frame(cfg);
+ iowrite32be(tmp, &regs->fmbm_rfne);
+
+ /* Enqueue NIA */
+ iowrite32be(NIA_ENG_QMI_ENQ | NIA_ORDER_RESTOR, &regs->fmbm_rfene);
+
+ /* Default/error queues */
+ iowrite32be((params->dflt_fqid & DEFAULT_FRAME_QUEUE_ID),
+ &regs->fmbm_rfqid);
+ iowrite32be((params->err_fqid & ERROR_FRAME_QUEUE_ID),
+ &regs->fmbm_refqid);
+
+ /* Discard/error masks */
+ iowrite32be(params->discard_mask, &regs->fmbm_rfsdm);
+ iowrite32be(params->err_mask, &regs->fmbm_rfsem);
+
+ return 0;
+}
+
+static int init_bmi_tx(struct fman_port *port,
+ struct fman_port_cfg *cfg,
+ struct fman_port_params *params)
+{
+ struct fman_port_tx_bmi_regs __iomem *regs = &port->bmi_regs->tx;
+ u32 tmp;
+
+ /* Tx Configuration register */
+ tmp = 0;
+ iowrite32be(tmp, &regs->fmbm_tcfg);
+
+ /* DMA attributes */
+ tmp = (u32)cfg->dma_swap_data << BMI_DMA_ATTR_SWP_SHIFT;
+ if (cfg->dma_ic_stash_on)
+ tmp |= BMI_DMA_ATTR_IC_STASH_ON;
+ if (cfg->dma_header_stash_on)
+ tmp |= BMI_DMA_ATTR_HDR_STASH_ON;
+ if (cfg->dma_sg_stash_on)
+ tmp |= BMI_DMA_ATTR_SG_STASH_ON;
+ iowrite32be(tmp, &regs->fmbm_tda);
+
+ /* Tx FIFO parameters */
+ tmp = (cfg->tx_fifo_min_level / FMAN_PORT_BMI_FIFO_UNITS) <<
+ BMI_TX_FIFO_MIN_FILL_SHIFT;
+ tmp |= ((cfg->tx_fifo_deq_pipeline_depth - 1) &
+ BMI_FIFO_PIPELINE_DEPTH_MASK) << BMI_FIFO_PIPELINE_DEPTH_SHIFT;
+ tmp |= (cfg->tx_fifo_low_comf_level / FMAN_PORT_BMI_FIFO_UNITS) - 1;
+ iowrite32be(tmp, &regs->fmbm_tfp);
+
+ /* Frame end data */
+ tmp = (cfg->checksum_bytes_ignore & BMI_FRAME_END_CS_IGNORE_MASK) <<
+ BMI_FRAME_END_CS_IGNORE_SHIFT;
+ iowrite32be(tmp, &regs->fmbm_tfed);
+
+ /* Internal context parameters */
+ tmp = ((cfg->ic_ext_offset / FMAN_PORT_IC_OFFSET_UNITS) &
+ BMI_IC_TO_EXT_MASK) << BMI_IC_TO_EXT_SHIFT;
+ tmp |= ((cfg->ic_int_offset / FMAN_PORT_IC_OFFSET_UNITS) &
+ BMI_IC_FROM_INT_MASK) << BMI_IC_FROM_INT_SHIFT;
+ tmp |= (cfg->ic_size / FMAN_PORT_IC_OFFSET_UNITS) & BMI_IC_SIZE_MASK;
+ iowrite32be(tmp, &regs->fmbm_ticp);
+
+ /* Frame attributes */
+ tmp = BMI_CMD_TX_MR_DEF;
+ tmp |= BMI_CMD_ATTR_ORDER;
+ tmp |= (u32)cfg->color << BMI_CMD_ATTR_COLOR_SHIFT;
+ iowrite32be(tmp, &regs->fmbm_tfca);
+
+ /* Dequeue NIA + enqueue NIA */
+ iowrite32be(NIA_ENG_QMI_DEQ, &regs->fmbm_tfdne);
+ iowrite32be(NIA_ENG_QMI_ENQ | NIA_ORDER_RESTOR, &regs->fmbm_tfene);
+ if (cfg->fmbm_tfne_has_features)
+ iowrite32be(!params->dflt_fqid ?
+ BMI_EBD_EN | NIA_BMI_AC_FETCH_ALL_FRAME :
+ NIA_BMI_AC_FETCH_ALL_FRAME, &regs->fmbm_tfne);
+ if (!params->dflt_fqid && params->dont_release_buf) {
+ iowrite32be(DEFAULT_CONF_FRAME_QUEUE_ID, &regs->fmbm_tcfqid);
+ iowrite32be(NIA_ENG_BMI | NIA_BMI_AC_TX_RELEASE,
+ &regs->fmbm_tfene);
+ if (cfg->fmbm_tfne_has_features)
+ iowrite32be(ioread32be(&regs->fmbm_tfne) & ~BMI_EBD_EN,
+ &regs->fmbm_tfne);
+ }
+
+ /* Confirmation/error queues */
+ if (params->dflt_fqid || !params->dont_release_buf)
+ iowrite32be(params->dflt_fqid & DEFAULT_CONF_FRAME_QUEUE_ID,
+ &regs->fmbm_tcfqid);
+ iowrite32be((params->err_fqid & ERROR_FRAME_QUEUE_ID),
+ &regs->fmbm_tefqid);
+
+ return 0;
+}
+
+static int init_qmi(struct fman_port *port,
+ struct fman_port_cfg *cfg, struct fman_port_params *params)
+{
+ struct fman_port_qmi_regs __iomem *regs = port->qmi_regs;
+ u32 tmp;
+
+ /* Rx port configuration */
+ if ((port->type == E_FMAN_PORT_TYPE_RX) ||
+ (port->type == E_FMAN_PORT_TYPE_RX_10G)) {
+ /* Enqueue NIA */
+ iowrite32be(NIA_ENG_BMI | NIA_BMI_AC_RELEASE, &regs->fmqm_pnen);
+ return 0;
+ }
+
+ /* Continue with Tx and O/H port configuration */
+ if ((port->type == E_FMAN_PORT_TYPE_TX) ||
+ (port->type == E_FMAN_PORT_TYPE_TX_10G)) {
+ /* Enqueue NIA */
+ iowrite32be(NIA_ENG_BMI | NIA_BMI_AC_TX_RELEASE,
+ &regs->fmqm_pnen);
+ /* Dequeue NIA */
+ iowrite32be(NIA_ENG_BMI | NIA_BMI_AC_TX, &regs->fmqm_pndn);
+ } else {
+ /* Enqueue NIA */
+ iowrite32be(NIA_ENG_BMI | NIA_BMI_AC_RELEASE, &regs->fmqm_pnen);
+ /* Dequeue NIA */
+ iowrite32be(NIA_ENG_BMI | NIA_BMI_AC_FETCH, &regs->fmqm_pndn);
+ }
+
+ /* Dequeue Configuration register */
+ tmp = 0;
+ if (cfg->deq_high_pri)
+ tmp |= QMI_DEQ_CFG_PRI;
+
+ switch (cfg->deq_type) {
+ case E_FMAN_PORT_DEQ_BY_PRI:
+ tmp |= QMI_DEQ_CFG_TYPE1;
+ break;
+ case E_FMAN_PORT_DEQ_ACTIVE_FQ:
+ tmp |= QMI_DEQ_CFG_TYPE2;
+ break;
+ case E_FMAN_PORT_DEQ_ACTIVE_FQ_NO_ICS:
+ tmp |= QMI_DEQ_CFG_TYPE3;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (cfg->qmi_deq_options_support) {
+ switch (cfg->deq_prefetch_opt) {
+ case E_FMAN_PORT_DEQ_NO_PREFETCH:
+ break;
+ case E_FMAN_PORT_DEQ_PART_PREFETCH:
+ tmp |= QMI_DEQ_CFG_PREFETCH_PARTIAL;
+ break;
+ case E_FMAN_PORT_DEQ_FULL_PREFETCH:
+ tmp |= QMI_DEQ_CFG_PREFETCH_FULL;
+ break;
+ default:
+ return -EINVAL;
+ }
+ }
+ tmp |= (params->deq_sp & QMI_DEQ_CFG_SP_MASK) << QMI_DEQ_CFG_SP_SHIFT;
+ tmp |= cfg->deq_byte_cnt;
+ iowrite32be(tmp, &regs->fmqm_pndc);
+
+ return 0;
+}
+
+void fman_port_defconfig(struct fman_port_cfg *cfg, enum fman_port_type type)
+{
+ cfg->dma_swap_data = E_FMAN_PORT_DMA_NO_SWAP;
+ cfg->dma_ic_stash_on = false;
+ cfg->dma_header_stash_on = false;
+ cfg->dma_sg_stash_on = false;
+ cfg->dma_write_optimize = true;
+ cfg->color = E_FMAN_PORT_COLOR_GREEN;
+ cfg->discard_override = false;
+ cfg->checksum_bytes_ignore = 0;
+ cfg->rx_cut_end_bytes = 4;
+ cfg->rx_pri_elevation = BMI_PRIORITY_ELEVATION_LEVEL;
+ cfg->rx_fifo_thr = BMI_FIFO_THRESHOLD;
+ cfg->rx_fd_bits = 0;
+ cfg->ic_ext_offset = 0;
+ cfg->ic_int_offset = 0;
+ cfg->ic_size = 0;
+ cfg->int_buf_start_margin = 0;
+ cfg->ext_buf_start_margin = 0;
+ cfg->ext_buf_end_margin = 0;
+ cfg->tx_fifo_min_level = 0;
+ cfg->tx_fifo_low_comf_level = (5 * 1024);
+ cfg->deq_type = E_FMAN_PORT_DEQ_BY_PRI;
+
+ cfg->sync_req = true;
+ cfg->deq_prefetch_opt = E_FMAN_PORT_DEQ_FULL_PREFETCH;
+
+ cfg->tx_fifo_deq_pipeline_depth = BMI_DEQUEUE_PIPELINE_DEPTH(type);
+ cfg->deq_high_pri = QMI_HIGH_PRIORITY(type);
+ cfg->deq_byte_cnt = QMI_BYTE_COUNT_LEVEL_CONTROL(type);
+}
+
+int fman_port_init(struct fman_port *port,
+ struct fman_port_cfg *cfg, struct fman_port_params *params)
+{
+ int err;
+
+ /* Init BMI registers */
+ switch (port->type) {
+ case E_FMAN_PORT_TYPE_RX:
+ case E_FMAN_PORT_TYPE_RX_10G:
+ err = init_bmi_rx(port, cfg, params);
+ break;
+ case E_FMAN_PORT_TYPE_TX:
+ case E_FMAN_PORT_TYPE_TX_10G:
+ err = init_bmi_tx(port, cfg, params);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (err)
+ return err;
+
+ /* Init QMI registers */
+ err = init_qmi(port, cfg, params);
+ return err;
+
+ return 0;
+}
+
+int fman_port_enable(struct fman_port *port)
+{
+ u32 __iomem *bmi_cfg_reg;
+ u32 tmp;
+ bool rx_port;
+
+ switch (port->type) {
+ case E_FMAN_PORT_TYPE_RX:
+ case E_FMAN_PORT_TYPE_RX_10G:
+ bmi_cfg_reg = &port->bmi_regs->rx.fmbm_rcfg;
+ rx_port = true;
+ break;
+ case E_FMAN_PORT_TYPE_TX:
+ case E_FMAN_PORT_TYPE_TX_10G:
+ bmi_cfg_reg = &port->bmi_regs->tx.fmbm_tcfg;
+ rx_port = false;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* Enable QMI */
+ if (!rx_port) {
+ tmp = ioread32be(&port->qmi_regs->fmqm_pnc) | QMI_PORT_CFG_EN;
+ iowrite32be(tmp, &port->qmi_regs->fmqm_pnc);
+ }
+
+ /* Enable BMI */
+ tmp = ioread32be(bmi_cfg_reg) | BMI_PORT_CFG_EN;
+ iowrite32be(tmp, bmi_cfg_reg);
+
+ return 0;
+}
+
+int fman_port_disable(const struct fman_port *port)
+{
+ u32 __iomem *bmi_cfg_reg, *bmi_status_reg;
+ u32 tmp;
+ bool rx_port, failure = false;
+ int count;
+
+ switch (port->type) {
+ case E_FMAN_PORT_TYPE_RX:
+ case E_FMAN_PORT_TYPE_RX_10G:
+ bmi_cfg_reg = &port->bmi_regs->rx.fmbm_rcfg;
+ bmi_status_reg = &port->bmi_regs->rx.fmbm_rst;
+ rx_port = true;
+ break;
+ case E_FMAN_PORT_TYPE_TX:
+ case E_FMAN_PORT_TYPE_TX_10G:
+ bmi_cfg_reg = &port->bmi_regs->tx.fmbm_tcfg;
+ bmi_status_reg = &port->bmi_regs->tx.fmbm_tst;
+ rx_port = false;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* Disable QMI */
+ if (!rx_port) {
+ tmp = ioread32be(&port->qmi_regs->fmqm_pnc) & ~QMI_PORT_CFG_EN;
+ iowrite32be(tmp, &port->qmi_regs->fmqm_pnc);
+
+ /* Wait for QMI to finish FD handling */
+ count = 100;
+ do {
+ udelay(10);
+ tmp = ioread32be(&port->qmi_regs->fmqm_pns);
+ } while ((tmp & QMI_PORT_STATUS_DEQ_FD_BSY) && --count);
+
+ if (count == 0) {
+ /* Timeout */
+ failure = true;
+ }
+ }
+
+ /* Disable BMI */
+ tmp = ioread32be(bmi_cfg_reg) & ~BMI_PORT_CFG_EN;
+ iowrite32be(tmp, bmi_cfg_reg);
+
+ /* Wait for graceful stop end */
+ count = 500;
+ do {
+ udelay(10);
+ tmp = ioread32be(bmi_status_reg);
+ } while ((tmp & BMI_PORT_STATUS_BSY) && --count);
+
+ if (count == 0) {
+ /* Timeout */
+ failure = true;
+ }
+
+ if (failure)
+ return -EBUSY;
+
+ return 0;
+}
+
+int fman_port_set_bpools(const struct fman_port *port,
+ const struct fman_port_bpools *bp)
+{
+ u32 __iomem *bp_reg, *bp_depl_reg;
+ u32 tmp;
+ u8 i, max_bp_num;
+ bool grp_depl_used = false, rx_port;
+
+ switch (port->type) {
+ case E_FMAN_PORT_TYPE_RX:
+ case E_FMAN_PORT_TYPE_RX_10G:
+ max_bp_num = port->ext_pools_num;
+ rx_port = true;
+ bp_reg = port->bmi_regs->rx.fmbm_ebmpi;
+ bp_depl_reg = &port->bmi_regs->rx.fmbm_mpd;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (rx_port) {
+ /* Check buffers are provided in ascending order */
+ for (i = 0; (i < (bp->count - 1) &&
+ (i < FMAN_PORT_MAX_EXT_POOLS_NUM - 1)); i++) {
+ if (bp->bpool[i].size > bp->bpool[i + 1].size)
+ return -EINVAL;
+ }
+ }
+
+ /* Set up external buffers pools */
+ for (i = 0; i < bp->count; i++) {
+ tmp = BMI_EXT_BUF_POOL_VALID;
+ tmp |= ((u32)bp->bpool[i].bpid <<
+ BMI_EXT_BUF_POOL_ID_SHIFT) & BMI_EXT_BUF_POOL_ID_MASK;
+
+ if (rx_port) {
+ if (bp->counters_enable)
+ tmp |= BMI_EXT_BUF_POOL_EN_COUNTER;
+
+ if (bp->bpool[i].is_backup)
+ tmp |= BMI_EXT_BUF_POOL_BACKUP;
+
+ tmp |= (u32)bp->bpool[i].size;
+ }
+
+ iowrite32be(tmp, &bp_reg[i]);
+ }
+
+ /* Clear unused pools */
+ for (i = bp->count; i < max_bp_num; i++)
+ iowrite32be(0, &bp_reg[i]);
+
+ /* Pools depletion */
+ tmp = 0;
+ for (i = 0; i < FMAN_PORT_MAX_EXT_POOLS_NUM; i++) {
+ if (bp->bpool[i].grp_bp_depleted) {
+ grp_depl_used = true;
+ tmp |= 0x80000000 >> i;
+ }
+
+ if (bp->bpool[i].single_bp_depleted)
+ tmp |= 0x80 >> i;
+ }
+
+ if (grp_depl_used)
+ tmp |= ((u32)bp->grp_bp_depleted_num - 1) <<
+ BMI_POOL_DEP_NUM_OF_POOLS_SHIFT;
+
+ iowrite32be(tmp, bp_depl_reg);
+ return 0;
+}
--
1.7.9.5

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