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Message-ID: <1437564084-16456-1-git-send-email-igal.liberman@freescale.com>
Date: Wed, 22 Jul 2015 14:21:24 +0300
From: <igal.liberman@...escale.com>
To: <netdev@...r.kernel.org>
CC: <linuxppc-dev@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>,
<scottwood@...escale.com>, <madalin.bucur@...escale.com>,
<pebolle@...cali.nl>, <joakim.tjernlund@...nsmode.se>,
<ppc@...dchasers.com>, Igal Liberman <Igal.Liberman@...escale.com>
Subject: [v3, 1/9] fsl/fman: Add the FMan FLIB
From: Igal Liberman <Igal.Liberman@...escale.com>
The FMan FLib provides the basic API used by the FMan drivers to
configure and control the FMan hardware.
Signed-off-by: Igal Liberman <Igal.Liberman@...escale.com>
---
drivers/net/ethernet/freescale/Kconfig | 1 +
drivers/net/ethernet/freescale/Makefile | 2 +
drivers/net/ethernet/freescale/fman/Kconfig | 7 +
drivers/net/ethernet/freescale/fman/Makefile | 5 +
.../net/ethernet/freescale/fman/flib/fsl_fman.h | 590 +++++++++++++
drivers/net/ethernet/freescale/fman/fman.c | 911 ++++++++++++++++++++
6 files changed, 1516 insertions(+)
create mode 100644 drivers/net/ethernet/freescale/fman/Kconfig
create mode 100644 drivers/net/ethernet/freescale/fman/Makefile
create mode 100644 drivers/net/ethernet/freescale/fman/flib/fsl_fman.h
create mode 100644 drivers/net/ethernet/freescale/fman/fman.c
diff --git a/drivers/net/ethernet/freescale/Kconfig b/drivers/net/ethernet/freescale/Kconfig
index ff76d4e..f3f89cc 100644
--- a/drivers/net/ethernet/freescale/Kconfig
+++ b/drivers/net/ethernet/freescale/Kconfig
@@ -53,6 +53,7 @@ config FEC_MPC52xx_MDIO
If compiled as module, it will be called fec_mpc52xx_phy.
source "drivers/net/ethernet/freescale/fs_enet/Kconfig"
+source "drivers/net/ethernet/freescale/fman/Kconfig"
config FSL_PQ_MDIO
tristate "Freescale PQ MDIO"
diff --git a/drivers/net/ethernet/freescale/Makefile b/drivers/net/ethernet/freescale/Makefile
index 71debd1..4097c58 100644
--- a/drivers/net/ethernet/freescale/Makefile
+++ b/drivers/net/ethernet/freescale/Makefile
@@ -17,3 +17,5 @@ gianfar_driver-objs := gianfar.o \
gianfar_ethtool.o
obj-$(CONFIG_UCC_GETH) += ucc_geth_driver.o
ucc_geth_driver-objs := ucc_geth.o ucc_geth_ethtool.o
+
+obj-$(CONFIG_FSL_FMAN) += fman/
diff --git a/drivers/net/ethernet/freescale/fman/Kconfig b/drivers/net/ethernet/freescale/fman/Kconfig
new file mode 100644
index 0000000..8aeae29
--- /dev/null
+++ b/drivers/net/ethernet/freescale/fman/Kconfig
@@ -0,0 +1,7 @@
+config FSL_FMAN
+ bool "FMan support"
+ depends on FSL_SOC || COMPILE_TEST
+ default n
+ help
+ Freescale Data-Path Acceleration Architecture Frame Manager
+ (FMan) support
diff --git a/drivers/net/ethernet/freescale/fman/Makefile b/drivers/net/ethernet/freescale/fman/Makefile
new file mode 100644
index 0000000..2799c6f
--- /dev/null
+++ b/drivers/net/ethernet/freescale/fman/Makefile
@@ -0,0 +1,5 @@
+subdir-ccflags-y += -I$(srctree)/drivers/net/ethernet/freescale/fman/flib
+
+obj-y += fsl_fman.o
+
+fsl_fman-objs := fman.o
diff --git a/drivers/net/ethernet/freescale/fman/flib/fsl_fman.h b/drivers/net/ethernet/freescale/fman/flib/fsl_fman.h
new file mode 100644
index 0000000..7bd5ca6
--- /dev/null
+++ b/drivers/net/ethernet/freescale/fman/flib/fsl_fman.h
@@ -0,0 +1,590 @@
+/*
+ * 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_H
+#define __FSL_FMAN_H
+
+#include <linux/delay.h>
+
+struct fman_revision_info {
+ u8 major_rev; /* Major revision */
+ u8 minor_rev; /* Minor revision */
+};
+
+/* sizes */
+#define OFFSET_UNITS 16
+#define MAX_INT_OFFSET 240
+#define MAX_IC_SIZE 256
+#define MAX_EXT_OFFSET 496
+#define MAX_EXT_BUFFER_OFFSET 511
+
+/* Memory Mapped Registers */
+#define FMAN_LIODN_TBL 64 /* size of LIODN table */
+
+struct fman_fpm_regs {
+ u32 fmfp_tnc; /* FPM TNUM Control 0x00 */
+ u32 fmfp_prc; /* FPM Port_ID FmCtl Association 0x04 */
+ u32 fmfp_brkc; /* FPM Breakpoint Control 0x08 */
+ u32 fmfp_mxd; /* FPM Flush Control 0x0c */
+ u32 fmfp_dist1; /* FPM Dispatch Thresholds1 0x10 */
+ u32 fmfp_dist2; /* FPM Dispatch Thresholds2 0x14 */
+ u32 fm_epi; /* FM Error Pending Interrupts 0x18 */
+ u32 fm_rie; /* FM Error Interrupt Enable 0x1c */
+ u32 fmfp_fcev[4]; /* FPM FMan-Controller Event 1-4 0x20-0x2f */
+ u32 res0030[4]; /* res 0x30 - 0x3f */
+ u32 fmfp_cee[4]; /* PM FMan-Controller Event 1-4 0x40-0x4f */
+ u32 res0050[4]; /* res 0x50-0x5f */
+ u32 fmfp_tsc1; /* FPM TimeStamp Control1 0x60 */
+ u32 fmfp_tsc2; /* FPM TimeStamp Control2 0x64 */
+ u32 fmfp_tsp; /* FPM Time Stamp 0x68 */
+ u32 fmfp_tsf; /* FPM Time Stamp Fraction 0x6c */
+ u32 fm_rcr; /* FM Rams Control 0x70 */
+ u32 fmfp_extc; /* FPM External Requests Control 0x74 */
+ u32 fmfp_ext1; /* FPM External Requests Config1 0x78 */
+ u32 fmfp_ext2; /* FPM External Requests Config2 0x7c */
+ u32 fmfp_drd[16]; /* FPM Data_Ram Data 0-15 0x80 - 0xbf */
+ u32 fmfp_dra; /* FPM Data Ram Access 0xc0 */
+ u32 fm_ip_rev_1; /* FM IP Block Revision 1 0xc4 */
+ u32 fm_ip_rev_2; /* FM IP Block Revision 2 0xc8 */
+ u32 fm_rstc; /* FM Reset Command 0xcc */
+ u32 fm_cld; /* FM Classifier Debug 0xd0 */
+ u32 fm_npi; /* FM Normal Pending Interrupts 0xd4 */
+ u32 fmfp_exte; /* FPM External Requests Enable 0xd8 */
+ u32 fmfp_ee; /* FPM Event&Mask 0xdc */
+ u32 fmfp_cev[4]; /* FPM CPU Event 1-4 0xe0-0xef */
+ u32 res00f0[4]; /* res 0xf0-0xff */
+ u32 fmfp_ps[50]; /* FPM Port Status 0x100-0x1c7 */
+ u32 res01c8[14]; /* res 0x1c8-0x1ff */
+ u32 fmfp_clfabc; /* FPM CLFABC 0x200 */
+ u32 fmfp_clfcc; /* FPM CLFCC 0x204 */
+ u32 fmfp_clfaval; /* FPM CLFAVAL 0x208 */
+ u32 fmfp_clfbval; /* FPM CLFBVAL 0x20c */
+ u32 fmfp_clfcval; /* FPM CLFCVAL 0x210 */
+ u32 fmfp_clfamsk; /* FPM CLFAMSK 0x214 */
+ u32 fmfp_clfbmsk; /* FPM CLFBMSK 0x218 */
+ u32 fmfp_clfcmsk; /* FPM CLFCMSK 0x21c */
+ u32 fmfp_clfamc; /* FPM CLFAMC 0x220 */
+ u32 fmfp_clfbmc; /* FPM CLFBMC 0x224 */
+ u32 fmfp_clfcmc; /* FPM CLFCMC 0x228 */
+ u32 fmfp_decceh; /* FPM DECCEH 0x22c */
+ u32 res0230[116]; /* res 0x230 - 0x3ff */
+ u32 fmfp_ts[128]; /* 0x400: FPM Task Status 0x400 - 0x5ff */
+ u32 res0600[0x400 - 384];
+};
+
+struct fman_bmi_regs {
+ u32 fmbm_init; /* BMI Initialization 0x00 */
+ u32 fmbm_cfg1; /* BMI Configuration 1 0x04 */
+ u32 fmbm_cfg2; /* BMI Configuration 2 0x08 */
+ u32 res000c[5]; /* 0x0c - 0x1f */
+ u32 fmbm_ievr; /* Interrupt Event Register 0x20 */
+ u32 fmbm_ier; /* Interrupt Enable Register 0x24 */
+ u32 fmbm_ifr; /* Interrupt Force Register 0x28 */
+ u32 res002c[5]; /* 0x2c - 0x3f */
+ u32 fmbm_arb[8]; /* BMI Arbitration 0x40 - 0x5f */
+ u32 res0060[12]; /* 0x60 - 0x8f */
+ u32 fmbm_dtc[3]; /* Debug Trap Counter 0x90 - 0x9b */
+ u32 res009c; /* 0x9c */
+ u32 fmbm_dcv[3][4]; /* Debug Compare val 0xa0-0xcf */
+ u32 fmbm_dcm[3][4]; /* Debug Compare Mask 0xd0-0xff */
+ u32 fmbm_gde; /* BMI Global Debug Enable 0x100 */
+ u32 fmbm_pp[63]; /* BMI Port Parameters 0x104 - 0x1ff */
+ u32 res0200; /* 0x200 */
+ u32 fmbm_pfs[63]; /* BMI Port FIFO Size 0x204 - 0x2ff */
+ u32 res0300; /* 0x300 */
+ u32 fmbm_spliodn[63]; /* Port Partition ID 0x304 - 0x3ff */
+};
+
+struct fman_qmi_regs {
+ u32 fmqm_gc; /* General Configuration Register 0x00 */
+ u32 res0004; /* 0x04 */
+ u32 fmqm_eie; /* Error Interrupt Event Register 0x08 */
+ u32 fmqm_eien; /* Error Interrupt Enable Register 0x0c */
+ u32 fmqm_eif; /* Error Interrupt Force Register 0x10 */
+ u32 fmqm_ie; /* Interrupt Event Register 0x14 */
+ u32 fmqm_ien; /* Interrupt Enable Register 0x18 */
+ u32 fmqm_if; /* Interrupt Force Register 0x1c */
+ u32 fmqm_gs; /* Global Status Register 0x20 */
+ u32 fmqm_ts; /* Task Status Register 0x24 */
+ u32 fmqm_etfc; /* Enqueue Total Frame Counter 0x28 */
+ u32 fmqm_dtfc; /* Dequeue Total Frame Counter 0x2c */
+ u32 fmqm_dc0; /* Dequeue Counter 0 0x30 */
+ u32 fmqm_dc1; /* Dequeue Counter 1 0x34 */
+ u32 fmqm_dc2; /* Dequeue Counter 2 0x38 */
+ u32 fmqm_dc3; /* Dequeue Counter 3 0x3c */
+ u32 fmqm_dfdc; /* Dequeue FQID from Default Counter 0x40 */
+ u32 fmqm_dfcc; /* Dequeue FQID from Context Counter 0x44 */
+ u32 fmqm_dffc; /* Dequeue FQID from FD Counter 0x48 */
+ u32 fmqm_dcc; /* Dequeue Confirm Counter 0x4c */
+ u32 res0050[7]; /* 0x50 - 0x6b */
+ u32 fmqm_tapc; /* Tnum Aging Period Control 0x6c */
+ u32 fmqm_dmcvc; /* Dequeue MAC Command Valid Counter 0x70 */
+ u32 fmqm_difdcc; /* Dequeue Invalid FD Command Counter 0x74 */
+ u32 fmqm_da1v; /* Dequeue A1 Valid Counter 0x78 */
+ u32 res007c; /* 0x7c */
+ u32 fmqm_dtc; /* 0x80 Debug Trap Counter 0x80 */
+ u32 fmqm_efddd; /* 0x84 Enqueue Frame desc Dynamic dbg 0x84 */
+ u32 res0088[2]; /* 0x88 - 0x8f */
+ struct {
+ u32 fmqm_dtcfg1; /* 0x90 dbg trap cfg 1 Register 0x00 */
+ u32 fmqm_dtval1; /* Debug Trap Value 1 Register 0x04 */
+ u32 fmqm_dtm1; /* Debug Trap Mask 1 Register 0x08 */
+ u32 fmqm_dtc1; /* Debug Trap Counter 1 Register 0x0c */
+ u32 fmqm_dtcfg2; /* dbg Trap cfg 2 Register 0x10 */
+ u32 fmqm_dtval2; /* Debug Trap Value 2 Register 0x14 */
+ u32 fmqm_dtm2; /* Debug Trap Mask 2 Register 0x18 */
+ u32 res001c; /* 0x1c */
+ } dbg_traps[3]; /* 0x90 - 0xef */
+ u8 res00f0[0x400 - 0xf0]; /* 0xf0 - 0x3ff */
+};
+
+struct fman_dma_regs {
+ u32 fmdmsr; /* FM DMA status register 0x00 */
+ u32 fmdmmr; /* FM DMA mode register 0x04 */
+ u32 fmdmtr; /* FM DMA bus threshold register 0x08 */
+ u32 fmdmhy; /* FM DMA bus hysteresis register 0x0c */
+ u32 fmdmsetr; /* FM DMA SOS emergency Threshold Register 0x10 */
+ u32 fmdmtah; /* FM DMA transfer bus address high reg 0x14 */
+ u32 fmdmtal; /* FM DMA transfer bus address low reg 0x18 */
+ u32 fmdmtcid; /* FM DMA transfer bus communication ID reg 0x1c */
+ u32 fmdmra; /* FM DMA bus internal ram address register 0x20 */
+ u32 fmdmrd; /* FM DMA bus internal ram data register 0x24 */
+ u32 fmdmwcr; /* FM DMA CAM watchdog counter value 0x28 */
+ u32 fmdmebcr; /* FM DMA CAM base in MURAM register 0x2c */
+ u32 fmdmccqdr; /* FM DMA CAM and CMD Queue Debug reg 0x30 */
+ u32 fmdmccqvr1; /* FM DMA CAM and CMD Queue Value reg #1 0x34 */
+ u32 fmdmccqvr2; /* FM DMA CAM and CMD Queue Value reg #2 0x38 */
+ u32 fmdmcqvr3; /* FM DMA CMD Queue Value register #3 0x3c */
+ u32 fmdmcqvr4; /* FM DMA CMD Queue Value register #4 0x40 */
+ u32 fmdmcqvr5; /* FM DMA CMD Queue Value register #5 0x44 */
+ u32 fmdmsefrc; /* FM DMA Semaphore Entry Full Reject Cntr 0x48 */
+ u32 fmdmsqfrc; /* FM DMA Semaphore Queue Full Reject Cntr 0x4c */
+ u32 fmdmssrc; /* FM DMA Semaphore SYNC Reject Counter 0x50 */
+ u32 fmdmdcr; /* FM DMA Debug Counter 0x54 */
+ u32 fmdmemsr; /* FM DMA Emergency Smoother Register 0x58 */
+ u32 res005c; /* 0x5c */
+ u32 fmdmplr[FMAN_LIODN_TBL / 2]; /* DMA LIODN regs 0x60-0xdf */
+ u32 res00e0[0x400 - 56];
+};
+
+struct fman_rg {
+ struct fman_fpm_regs __iomem *fpm_rg;
+ struct fman_dma_regs __iomem *dma_rg;
+ struct fman_bmi_regs __iomem *bmi_rg;
+ struct fman_qmi_regs __iomem *qmi_rg;
+};
+
+enum fman_dma_cache_override {
+ E_FMAN_DMA_NO_CACHE_OR = 0,/* No override of the Cache field */
+ E_FMAN_DMA_NO_STASH_DATA, /* No data stashing in system level cache */
+ E_FMAN_DMA_MAY_STASH_DATA, /* Stashing allowed in sys level cache */
+ E_FMAN_DMA_STASH_DATA /* Stashing performed in system level cache */
+};
+
+enum fman_dma_aid_mode {
+ E_FMAN_DMA_AID_OUT_PORT_ID = 0, /* 4 LSB of PORT_ID */
+ E_FMAN_DMA_AID_OUT_TNUM /* 4 LSB of TNUM */
+};
+
+enum fman_dma_dbg_cnt_mode {
+ E_FMAN_DMA_DBG_NO_CNT = 0, /* No counting */
+ E_FMAN_DMA_DBG_CNT_DONE, /* Count DONE commands */
+ E_FMAN_DMA_DBG_CNT_COMM_Q_EM, /* command Q emergency signal */
+ E_FMAN_DMA_DBG_CNT_INT_READ_EM, /* Read buf emergency signal */
+ E_FMAN_DMA_DBG_CNT_INT_WRITE_EM, /* Write buf emergency signal */
+ E_FMAN_DMA_DBG_CNT_FPM_WAIT, /* FPM WAIT signal */
+ E_FMAN_DMA_DBG_CNT_SIGLE_BIT_ECC, /* Single bit ECC errors */
+ E_FMAN_DMA_DBG_CNT_RAW_WAR_PROT /* RAW&WAR protection counter */
+};
+
+enum fman_dma_emergency_level {
+ E_FMAN_DMA_EM_EBS = 0, /* EBS emergency */
+ E_FMAN_DMA_EM_SOS /* SOS emergency */
+};
+
+enum fman_catastrophic_err {
+ E_FMAN_CATAST_ERR_STALL_PORT = 0, /* Port_ID stalled reset required */
+ E_FMAN_CATAST_ERR_STALL_TASK /* Only erroneous task is stalled */
+};
+
+enum fman_dma_err {
+ E_FMAN_DMA_ERR_CATASTROPHIC = 0, /* Catastrophic DMA error */
+ E_FMAN_DMA_ERR_REPORT /* Reported DMA error */
+};
+
+struct fman_cfg {
+ u8 disp_limit_tsh;
+ u8 prs_disp_tsh;
+ u8 plcr_disp_tsh;
+ u8 kg_disp_tsh;
+ u8 bmi_disp_tsh;
+ u8 qmi_enq_disp_tsh;
+ u8 qmi_deq_disp_tsh;
+ u8 fm_ctl1_disp_tsh;
+ u8 fm_ctl2_disp_tsh;
+ enum fman_dma_cache_override dma_cache_override;
+ enum fman_dma_aid_mode dma_aid_mode;
+ bool dma_aid_override;
+ u32 dma_axi_dbg_num_of_beats;
+ u32 dma_cam_num_of_entries;
+ u32 dma_watchdog;
+ u8 dma_comm_qtsh_asrt_emer;
+ u32 dma_write_buf_tsh_asrt_emer;
+ u32 dma_read_buf_tsh_asrt_emer;
+ u8 dma_comm_qtsh_clr_emer;
+ u32 dma_write_buf_tsh_clr_emer;
+ u32 dma_read_buf_tsh_clr_emer;
+ u32 dma_sos_emergency;
+ enum fman_dma_dbg_cnt_mode dma_dbg_cnt_mode;
+ bool dma_stop_on_bus_error;
+ bool dma_en_emergency;
+ u32 dma_emergency_bus_select;
+ enum fman_dma_emergency_level dma_emergency_level;
+ bool dma_en_emergency_smoother;
+ u32 dma_emergency_switch_counter;
+ bool halt_on_external_activ;
+ bool halt_on_unrecov_ecc_err;
+ enum fman_catastrophic_err catastrophic_err;
+ enum fman_dma_err dma_err;
+ bool en_muram_test_mode;
+ bool en_iram_test_mode;
+ bool external_ecc_rams_enable;
+ u16 tnum_aging_period;
+ u32 exceptions;
+ u16 clk_freq;
+ bool pedantic_dma;
+ u32 cam_base_addr;
+ u32 fifo_base_addr;
+ u32 total_fifo_size;
+ u32 total_num_of_tasks;
+ bool qmi_deq_option_support;
+ u32 qmi_def_tnums_thresh;
+ u8 num_of_fman_ctrl_evnt_regs;
+};
+
+/* Exceptions */
+#define FMAN_EX_DMA_BUS_ERROR 0x80000000
+#define FMAN_EX_DMA_READ_ECC 0x40000000
+#define FMAN_EX_DMA_SYSTEM_WRITE_ECC 0x20000000
+#define FMAN_EX_DMA_FM_WRITE_ECC 0x10000000
+#define FMAN_EX_FPM_STALL_ON_TASKS 0x08000000
+#define FMAN_EX_FPM_SINGLE_ECC 0x04000000
+#define FMAN_EX_FPM_DOUBLE_ECC 0x02000000
+#define FMAN_EX_QMI_SINGLE_ECC 0x01000000
+#define FMAN_EX_QMI_DEQ_FROM_UNKNOWN_PORTID 0x00800000
+#define FMAN_EX_QMI_DOUBLE_ECC 0x00400000
+#define FMAN_EX_BMI_LIST_RAM_ECC 0x00200000
+#define FMAN_EX_BMI_PIPELINE_ECC 0x00100000
+#define FMAN_EX_BMI_STATISTICS_RAM_ECC 0x00080000
+#define FMAN_EX_IRAM_ECC 0x00040000
+#define FMAN_EX_NURAM_ECC 0x00020000
+#define FMAN_EX_BMI_DISPATCH_RAM_ECC 0x00010000
+
+enum fman_exceptions {
+ E_FMAN_EX_DMA_BUS_ERROR = 0, /* DMA bus error. */
+ E_FMAN_EX_DMA_READ_ECC, /* Read Buffer ECC error */
+ E_FMAN_EX_DMA_SYSTEM_WRITE_ECC, /* Write Buffer ECC err on sys side */
+ E_FMAN_EX_DMA_FM_WRITE_ECC, /* Write Buffer ECC error on FM side */
+ E_FMAN_EX_FPM_STALL_ON_TASKS, /* Stall of tasks on FPM */
+ E_FMAN_EX_FPM_SINGLE_ECC, /* Single ECC on FPM. */
+ E_FMAN_EX_FPM_DOUBLE_ECC, /* Double ECC error on FPM ram access */
+ E_FMAN_EX_QMI_SINGLE_ECC, /* Single ECC on QMI. */
+ E_FMAN_EX_QMI_DOUBLE_ECC, /* Double bit ECC occurred on QMI */
+ E_FMAN_EX_QMI_DEQ_FROM_UNKNOWN_PORTID,/* DeQ from unknown port id */
+ E_FMAN_EX_BMI_LIST_RAM_ECC, /* Linked List RAM ECC error */
+ E_FMAN_EX_BMI_STORAGE_PROFILE_ECC, /* storage profile */
+ E_FMAN_EX_BMI_STATISTICS_RAM_ECC, /* Statistics RAM ECC Err Enable */
+ E_FMAN_EX_BMI_DISPATCH_RAM_ECC, /* Dispatch RAM ECC Error Enable */
+ E_FMAN_EX_IRAM_ECC, /* Double bit ECC occurred on IRAM */
+ E_FMAN_EX_MURAM_ECC /* Double bit ECC occurred on MURAM */
+};
+
+#define FPM_PRT_FM_CTL1 0x00000001
+#define FPM_PRT_FM_CTL2 0x00000002
+
+/* DMA definitions */
+
+/* masks */
+#define DMA_MODE_AID_OR 0x20000000
+#define DMA_MODE_SBER 0x10000000
+#define DMA_MODE_BER 0x00200000
+#define DMA_MODE_ECC 0x00000020
+#define DMA_MODE_SECURE_PROT 0x00000800
+#define DMA_MODE_EMER_READ 0x00080000
+#define DMA_MODE_AXI_DBG_MASK 0x0F000000
+
+#define DMA_TRANSFER_PORTID_MASK 0xFF000000
+#define DMA_TRANSFER_TNUM_MASK 0x00FF0000
+#define DMA_TRANSFER_LIODN_MASK 0x00000FFF
+
+#define DMA_STATUS_BUS_ERR 0x08000000
+#define DMA_STATUS_READ_ECC 0x04000000
+#define DMA_STATUS_SYSTEM_WRITE_ECC 0x02000000
+#define DMA_STATUS_FM_WRITE_ECC 0x01000000
+#define DMA_STATUS_FM_SPDAT_ECC 0x00080000
+
+#define FM_LIODN_BASE_MASK 0x00000FFF
+
+/* DMA mask and shifts */
+#define DMA_MODE_CACHE_OR_SHIFT 30
+#define DMA_MODE_AXI_DBG_SHIFT 24
+#define DMA_MODE_CEN_SHIFT 13
+#define DMA_MODE_CEN_MASK 0x00000007
+#define DMA_MODE_DBG_SHIFT 7
+#define DMA_MODE_EMER_LVL_SHIFT 6
+#define DMA_MODE_AID_MODE_SHIFT 4
+#define DMA_MODE_MAX_AXI_DBG_NUM_OF_BEATS 16
+
+#define DMA_THRESH_COMMQ_SHIFT 24
+#define DMA_THRESH_READ_INT_BUF_SHIFT 16
+#define DMA_THRESH_READ_INT_BUF_MASK 0x0000003f
+#define DMA_THRESH_WRITE_INT_BUF_MASK 0x0000003f
+
+#define DMA_LIODN_SHIFT 16
+
+#define DMA_TRANSFER_PORTID_SHIFT 24
+#define DMA_TRANSFER_TNUM_SHIFT 16
+
+/* sizes */
+#define DMA_MAX_WATCHDOG 0xffffffff
+
+/* others */
+#define DMA_CAM_SIZEOF_ENTRY 0x40
+#define DMA_CAM_ALIGN 0x40
+#define DMA_CAM_UNITS 8
+
+/* General defines */
+#define FM_DEBUG_STATUS_REGISTER_OFFSET 0x000d1084UL
+
+/* FPM defines */
+
+/* masks */
+#define FPM_EV_MASK_DOUBLE_ECC 0x80000000
+#define FPM_EV_MASK_STALL 0x40000000
+#define FPM_EV_MASK_SINGLE_ECC 0x20000000
+#define FPM_EV_MASK_RELEASE_FM 0x00010000
+#define FPM_EV_MASK_DOUBLE_ECC_EN 0x00008000
+#define FPM_EV_MASK_STALL_EN 0x00004000
+#define FPM_EV_MASK_SINGLE_ECC_EN 0x00002000
+#define FPM_EV_MASK_EXTERNAL_HALT 0x00000008
+#define FPM_EV_MASK_ECC_ERR_HALT 0x00000004
+
+#define FPM_RAM_RAMS_ECC_EN 0x80000000
+#define FPM_RAM_IRAM_ECC_EN 0x40000000
+#define FPM_RAM_MURAM_ECC 0x00008000
+#define FPM_RAM_IRAM_ECC 0x00004000
+#define FPM_RAM_MURAM_TEST_ECC 0x20000000
+#define FPM_RAM_IRAM_TEST_ECC 0x10000000
+#define FPM_RAM_RAMS_ECC_EN_SRC_SEL 0x08000000
+
+#define FPM_IRAM_ECC_ERR_EX_EN 0x00020000
+#define FPM_MURAM_ECC_ERR_EX_EN 0x00040000
+
+#define FPM_REV1_MAJOR_MASK 0x0000FF00
+#define FPM_REV1_MINOR_MASK 0x000000FF
+
+#define FPM_TS_CTL_EN 0x80000000
+
+#define FPM_RSTC_FM_RESET 0x80000000
+
+/* shifts */
+#define FPM_DISP_LIMIT_SHIFT 24
+
+#define FPM_THR1_PRS_SHIFT 24
+#define FPM_THR1_KG_SHIFT 16
+#define FPM_THR1_PLCR_SHIFT 8
+#define FPM_THR1_BMI_SHIFT 0
+
+#define FPM_THR2_QMI_ENQ_SHIFT 24
+#define FPM_THR2_QMI_DEQ_SHIFT 0
+#define FPM_THR2_FM_CTL1_SHIFT 16
+#define FPM_THR2_FM_CTL2_SHIFT 8
+
+#define FPM_EV_MASK_CAT_ERR_SHIFT 1
+#define FPM_EV_MASK_DMA_ERR_SHIFT 0
+
+#define FPM_REV1_MAJOR_SHIFT 8
+#define FPM_REV1_MINOR_SHIFT 0
+
+#define FPM_TS_INT_SHIFT 16
+
+#define FPM_PORT_FM_CTL_PORTID_SHIFT 24
+
+#define FPM_PRC_ORA_FM_CTL_SEL_SHIFT 16
+
+/* others */
+#define FPM_MAX_DISP_LIMIT 31
+#define FPM_RSTC_FM_RESET 0x80000000
+#define FPM_RSTC_MAC0_RESET 0x40000000
+#define FPM_RSTC_MAC1_RESET 0x20000000
+#define FPM_RSTC_MAC2_RESET 0x10000000
+#define FPM_RSTC_MAC3_RESET 0x08000000
+#define FPM_RSTC_MAC8_RESET 0x04000000
+#define FPM_RSTC_MAC4_RESET 0x02000000
+#define FPM_RSTC_MAC5_RESET 0x01000000
+#define FPM_RSTC_MAC6_RESET 0x00800000
+#define FPM_RSTC_MAC7_RESET 0x00400000
+#define FPM_RSTC_MAC9_RESET 0x00200000
+/* BMI defines */
+/* masks */
+#define BMI_INIT_START 0x80000000
+#define BMI_ERR_INTR_EN_STORAGE_PROFILE_ECC 0x80000000
+#define BMI_ERR_INTR_EN_LIST_RAM_ECC 0x40000000
+#define BMI_ERR_INTR_EN_STATISTICS_RAM_ECC 0x20000000
+#define BMI_ERR_INTR_EN_DISPATCH_RAM_ECC 0x10000000
+#define BMI_NUM_OF_TASKS_MASK 0x3F000000
+#define BMI_NUM_OF_EXTRA_TASKS_MASK 0x000F0000
+#define BMI_NUM_OF_DMAS_MASK 0x00000F00
+#define BMI_NUM_OF_EXTRA_DMAS_MASK 0x0000000F
+#define BMI_FIFO_SIZE_MASK 0x000003FF
+#define BMI_EXTRA_FIFO_SIZE_MASK 0x03FF0000
+#define BMI_CFG2_DMAS_MASK 0x0000003F
+#define BMI_CFG2_TASKS_MASK 0x0000003F
+
+/* shifts */
+#define BMI_CFG2_TASKS_SHIFT 16
+#define BMI_CFG2_DMAS_SHIFT 0
+#define BMI_CFG1_FIFO_SIZE_SHIFT 16
+#define BMI_EXTRA_FIFO_SIZE_SHIFT 16
+#define BMI_NUM_OF_TASKS_SHIFT 24
+#define BMI_EXTRA_NUM_OF_TASKS_SHIFT 16
+#define BMI_NUM_OF_DMAS_SHIFT 8
+#define BMI_EXTRA_NUM_OF_DMAS_SHIFT 0
+
+/* others */
+#define BMI_FIFO_ALIGN 0x100
+#define FMAN_BMI_FIFO_UNITS 0x100
+
+/* QMI defines */
+/* masks */
+#define QMI_CFG_ENQ_EN 0x80000000
+#define QMI_CFG_DEQ_EN 0x40000000
+#define QMI_CFG_EN_COUNTERS 0x10000000
+#define QMI_CFG_DEQ_MASK 0x0000003F
+#define QMI_CFG_ENQ_MASK 0x00003F00
+#define QMI_CFG_ENQ_SHIFT 8
+
+#define QMI_ERR_INTR_EN_DOUBLE_ECC 0x80000000
+#define QMI_ERR_INTR_EN_DEQ_FROM_DEF 0x40000000
+#define QMI_INTR_EN_SINGLE_ECC 0x80000000
+
+/* shifts */
+#define QMI_TAPC_TAP 22
+
+#define QMI_GS_HALT_NOT_BUSY 0x00000002
+
+/* IRAM defines */
+/* masks */
+#define IRAM_IADD_AIE 0x80000000
+#define IRAM_READY 0x80000000
+
+u32 fman_get_bmi_err_event(struct fman_bmi_regs __iomem *bmi_rg);
+u32 fman_get_qmi_err_event(struct fman_qmi_regs __iomem *qmi_rg);
+u32 fman_get_dma_com_id(struct fman_dma_regs __iomem *dma_rg);
+u64 fman_get_dma_addr(struct fman_dma_regs __iomem *dma_rg);
+u32 fman_get_dma_err_event(struct fman_dma_regs __iomem *dma_rg);
+u32 fman_get_fpm_err_event(struct fman_fpm_regs __iomem *fpm_rg);
+u32 fman_get_muram_err_event(struct fman_fpm_regs __iomem *fpm_rg);
+u32 fman_get_iram_err_event(struct fman_fpm_regs __iomem *fpm_rg);
+u32 fman_get_qmi_event(struct fman_qmi_regs __iomem *qmi_rg);
+u32 fman_get_fpm_error_interrupts(struct fman_fpm_regs __iomem *fpm_rg);
+u32 fman_get_qmi_deq_th(struct fman_qmi_regs __iomem *qmi_rg);
+u32 fman_get_qmi_enq_th(struct fman_qmi_regs __iomem *qmi_rg);
+u8 fman_get_num_of_dmas(struct fman_bmi_regs __iomem *bmi_rg, u8 port_id);
+u8 fman_get_num_extra_dmas(struct fman_bmi_regs __iomem *bmi_rg, u8 port_id);
+u32 fman_get_normal_pending(struct fman_fpm_regs __iomem *fpm_rg);
+u32 fman_get_controller_event(struct fman_fpm_regs __iomem *fpm_rg, u8 reg_id);
+void fman_get_revision(struct fman_fpm_regs __iomem *fpm_rg, u8 *major,
+ u8 *minor);
+
+void fman_set_order_restoration_per_port(struct fman_fpm_regs __iomem *fpm_rg,
+ u8 port_id, bool is_rx_port);
+void fman_set_qmi_enq_th(struct fman_qmi_regs __iomem *qmi_rg, u32 val);
+void fman_set_qmi_deq_th(struct fman_qmi_regs __iomem *qmi_rg, u32 val);
+void fman_set_liodn_per_port(struct fman_rg *fman_rg, u8 port_id,
+ u16 liodn_base, u16 liodn_offset);
+void fman_set_size_of_fifo(struct fman_bmi_regs __iomem *bmi_rg, u8 port_id,
+ u32 size_of_fifo, u32 extra_size_of_fifo);
+void fman_set_num_of_tasks(struct fman_bmi_regs __iomem *bmi_rg,
+ u8 port_id,
+ u8 num_of_tasks, u8 num_of_extra_tasks);
+void fman_set_num_of_open_dmas(struct fman_bmi_regs __iomem *bmi_rg,
+ u8 port_id, u8 num_of_open_dmas,
+ u8 num_of_extra_open_dmas, u8 total_num_of_dmas);
+int fman_set_exception(struct fman_rg *fman_rg,
+ enum fman_exceptions exception, bool enable);
+
+void fman_defconfig(struct fman_cfg *cfg);
+int fman_fpm_init(struct fman_fpm_regs __iomem *fpm_rg, struct fman_cfg *cfg);
+int fman_bmi_init(struct fman_bmi_regs __iomem *bmi_rg, struct fman_cfg *cfg);
+int fman_qmi_init(struct fman_qmi_regs __iomem *qmi_rg, struct fman_cfg *cfg);
+int fman_dma_init(struct fman_dma_regs __iomem *dma_rg, struct fman_cfg *cfg);
+int fman_enable(struct fman_rg *fman_rg, struct fman_cfg *cfg);
+void fman_resume(struct fman_fpm_regs __iomem *fpm_rg);
+
+void fman_enable_time_stamp(struct fman_fpm_regs __iomem *fpm_rg,
+ u8 count1ubit, u16 fm_clk_freq);
+void fman_enable_rams_ecc(struct fman_fpm_regs __iomem *fpm_rg);
+void fman_disable_rams_ecc(struct fman_fpm_regs __iomem *fpm_rg);
+int fman_reset_mac(struct fman_fpm_regs __iomem *fpm_rg, u8 mac_id);
+bool fman_rams_ecc_is_external_ctl(struct fman_fpm_regs __iomem *fpm_rg);
+bool fman_is_qmi_halt_not_busy_state(struct fman_qmi_regs __iomem *qmi_rg);
+
+/* default values */
+#define DEFAULT_CATASTROPHIC_ERR E_FMAN_CATAST_ERR_STALL_PORT
+#define DEFAULT_DMA_ERR E_FMAN_DMA_ERR_CATASTROPHIC
+#define DEFAULT_HALT_ON_EXTERNAL_ACTIVATION false
+#define DEFAULT_HALT_ON_UNRECOVERABLE_ECC_ERROR false
+#define DEFAULT_EXTERNAL_ECC_RAMS_ENABLE false
+#define DEFAULT_AID_OVERRIDE false
+#define DEFAULT_AID_MODE E_FMAN_DMA_AID_OUT_TNUM
+#define DEFAULT_DMA_COMM_Q_LOW 0x2A
+#define DEFAULT_DMA_COMM_Q_HIGH 0x3F
+#define DEFAULT_CACHE_OVERRIDE E_FMAN_DMA_NO_CACHE_OR
+#define DEFAULT_DMA_CAM_NUM_OF_ENTRIES 64
+#define DEFAULT_DMA_DBG_CNT_MODE E_FMAN_DMA_DBG_NO_CNT
+#define DEFAULT_DMA_EN_EMERGENCY false
+#define DEFAULT_DMA_SOS_EMERGENCY 0
+#define DEFAULT_DMA_WATCHDOG 0 /* disabled */
+#define DEFAULT_DMA_EN_EMERGENCY_SMOOTHER false
+#define DEFAULT_DMA_EMERGENCY_SWITCH_COUNTER 0
+#define DEFAULT_DISP_LIMIT 0
+#define DEFAULT_PRS_DISP_TH 16
+#define DEFAULT_PLCR_DISP_TH 16
+#define DEFAULT_KG_DISP_TH 16
+#define DEFAULT_BMI_DISP_TH 16
+#define DEFAULT_QMI_ENQ_DISP_TH 16
+#define DEFAULT_QMI_DEQ_DISP_TH 16
+#define DEFAULT_FM_CTL1_DISP_TH 16
+#define DEFAULT_FM_CTL2_DISP_TH 16
+#define DEFAULT_TNUM_AGING_PERIOD 4
+
+#endif /* __FSL_FMAN_H */
diff --git a/drivers/net/ethernet/freescale/fman/fman.c b/drivers/net/ethernet/freescale/fman/fman.c
new file mode 100644
index 0000000..3af8d29
--- /dev/null
+++ b/drivers/net/ethernet/freescale/fman/fman.c
@@ -0,0 +1,911 @@
+/*
+ * 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 <linux/io.h>
+
+#include "fsl_fman.h"
+
+u32 fman_get_bmi_err_event(struct fman_bmi_regs __iomem *bmi_rg)
+{
+ u32 event, mask, force;
+
+ event = ioread32be(&bmi_rg->fmbm_ievr);
+ mask = ioread32be(&bmi_rg->fmbm_ier);
+ event &= mask;
+ /* clear the forced events */
+ force = ioread32be(&bmi_rg->fmbm_ifr);
+ if (force & event)
+ iowrite32be(force & ~event, &bmi_rg->fmbm_ifr);
+ /* clear the acknowledged events */
+ iowrite32be(event, &bmi_rg->fmbm_ievr);
+ return event;
+}
+
+u32 fman_get_qmi_err_event(struct fman_qmi_regs __iomem *qmi_rg)
+{
+ u32 event, mask, force;
+
+ event = ioread32be(&qmi_rg->fmqm_eie);
+ mask = ioread32be(&qmi_rg->fmqm_eien);
+ event &= mask;
+
+ /* clear the forced events */
+ force = ioread32be(&qmi_rg->fmqm_eif);
+ if (force & event)
+ iowrite32be(force & ~event, &qmi_rg->fmqm_eif);
+ /* clear the acknowledged events */
+ iowrite32be(event, &qmi_rg->fmqm_eie);
+ return event;
+}
+
+u32 fman_get_dma_com_id(struct fman_dma_regs __iomem *dma_rg)
+{
+ return ioread32be(&dma_rg->fmdmtcid);
+}
+
+u64 fman_get_dma_addr(struct fman_dma_regs __iomem *dma_rg)
+{
+ u64 addr;
+
+ addr = (u64)ioread32be(&dma_rg->fmdmtal);
+ addr |= ((u64)(ioread32be(&dma_rg->fmdmtah)) << 32);
+
+ return addr;
+}
+
+u32 fman_get_dma_err_event(struct fman_dma_regs __iomem *dma_rg)
+{
+ u32 status, mask;
+
+ status = ioread32be(&dma_rg->fmdmsr);
+ mask = ioread32be(&dma_rg->fmdmmr);
+
+ /* clear DMA_STATUS_BUS_ERR if mask has no DMA_MODE_BER */
+ if ((mask & DMA_MODE_BER) != DMA_MODE_BER)
+ status &= ~DMA_STATUS_BUS_ERR;
+
+ /* clear relevant bits if mask has no DMA_MODE_ECC */
+ if ((mask & DMA_MODE_ECC) != DMA_MODE_ECC)
+ status &= ~(DMA_STATUS_FM_SPDAT_ECC |
+ DMA_STATUS_READ_ECC |
+ DMA_STATUS_SYSTEM_WRITE_ECC |
+ DMA_STATUS_FM_WRITE_ECC);
+
+ /* clear set events */
+ iowrite32be(status, &dma_rg->fmdmsr);
+
+ return status;
+}
+
+u32 fman_get_fpm_err_event(struct fman_fpm_regs __iomem *fpm_rg)
+{
+ u32 event;
+
+ event = ioread32be(&fpm_rg->fmfp_ee);
+ /* clear the all occurred events */
+ iowrite32be(event, &fpm_rg->fmfp_ee);
+ return event;
+}
+
+u32 fman_get_muram_err_event(struct fman_fpm_regs __iomem *fpm_rg)
+{
+ u32 event, mask;
+
+ event = ioread32be(&fpm_rg->fm_rcr);
+ mask = ioread32be(&fpm_rg->fm_rie);
+
+ /* clear MURAM event bit (do not clear IRAM event) */
+ iowrite32be(event & ~FPM_RAM_IRAM_ECC, &fpm_rg->fm_rcr);
+
+ if ((mask & FPM_MURAM_ECC_ERR_EX_EN))
+ return event;
+ else
+ return 0;
+}
+
+u32 fman_get_iram_err_event(struct fman_fpm_regs __iomem *fpm_rg)
+{
+ u32 event, mask;
+
+ event = ioread32be(&fpm_rg->fm_rcr);
+ mask = ioread32be(&fpm_rg->fm_rie);
+ /* clear IRAM event bit (do not clear MURAM event) */
+ iowrite32be(event & ~FPM_RAM_MURAM_ECC, &fpm_rg->fm_rcr);
+
+ if ((mask & FPM_IRAM_ECC_ERR_EX_EN))
+ return event;
+ else
+ return 0;
+}
+
+u32 fman_get_qmi_event(struct fman_qmi_regs __iomem *qmi_rg)
+{
+ u32 event, mask, force;
+
+ event = ioread32be(&qmi_rg->fmqm_ie);
+ mask = ioread32be(&qmi_rg->fmqm_ien);
+ event &= mask;
+ /* clear the forced events */
+ force = ioread32be(&qmi_rg->fmqm_if);
+ if (force & event)
+ iowrite32be(force & ~event, &qmi_rg->fmqm_if);
+ /* clear the acknowledged events */
+ iowrite32be(event, &qmi_rg->fmqm_ie);
+ return event;
+}
+
+void fman_enable_time_stamp(struct fman_fpm_regs __iomem *fpm_rg,
+ u8 count1ubit, u16 fm_clk_freq)
+{
+ u32 tmp;
+ u64 frac;
+ u32 intgr;
+ u32 ts_freq = (u32)(1 << count1ubit); /* in Mhz */
+
+ /* configure timestamp so that bit 8 will count 1 microsecond
+ * Find effective count rate at TIMESTAMP least significant bits:
+ * Effective_Count_Rate = 1MHz x 2^8 = 256MHz
+ * Find frequency ratio between effective count rate and the clock:
+ * Effective_Count_Rate / CLK e.g. for 600 MHz clock:
+ * 256/600 = 0.4266666...
+ */
+
+ intgr = ts_freq / fm_clk_freq;
+ /* we multiply by 2^16 to keep the fraction of the division
+ * we do not div back, since we write this value as a fraction
+ * see spec
+ */
+
+ frac = ((ts_freq << 16) - (intgr << 16) * fm_clk_freq) / fm_clk_freq;
+ /* we check remainder of the division in order to round up if not int */
+ if (((ts_freq << 16) - (intgr << 16) * fm_clk_freq) % fm_clk_freq)
+ frac++;
+
+ tmp = (intgr << FPM_TS_INT_SHIFT) | (u16)frac;
+ iowrite32be(tmp, &fpm_rg->fmfp_tsc2);
+
+ /* enable timestamp with original clock */
+ iowrite32be(FPM_TS_CTL_EN, &fpm_rg->fmfp_tsc1);
+}
+
+u32 fman_get_fpm_error_interrupts(struct fman_fpm_regs __iomem *fpm_rg)
+{
+ return ioread32be(&fpm_rg->fm_epi);
+}
+
+int fman_set_erratum_10gmac_a004_wa(struct fman_fpm_regs __iomem *fpm_rg)
+{
+ int timeout = 100;
+
+ iowrite32be(0x40000000, &fpm_rg->fmfp_extc);
+
+ while ((ioread32be(&fpm_rg->fmfp_extc) & 0x40000000) && --timeout)
+ udelay(10);
+
+ if (!timeout)
+ return -EIO;
+ return 0;
+}
+
+void fman_set_order_restoration_per_port(struct fman_fpm_regs __iomem *fpm_rg,
+ u8 port_id, bool is_rx_port)
+{
+ u32 tmp = 0;
+
+ tmp = (u32)(port_id << FPM_PORT_FM_CTL_PORTID_SHIFT);
+
+ tmp |= (FPM_PRT_FM_CTL2 | FPM_PRT_FM_CTL1);
+
+ /* order restoration */
+ if (port_id % 2)
+ tmp |= (FPM_PRT_FM_CTL1 << FPM_PRC_ORA_FM_CTL_SEL_SHIFT);
+ else
+ tmp |= (FPM_PRT_FM_CTL2 << FPM_PRC_ORA_FM_CTL_SEL_SHIFT);
+
+ iowrite32be(tmp, &fpm_rg->fmfp_prc);
+}
+
+u32 fman_get_qmi_deq_th(struct fman_qmi_regs __iomem *qmi_rg)
+{
+ return (ioread32be(&qmi_rg->fmqm_gc) & QMI_CFG_DEQ_MASK);
+}
+
+u32 fman_get_qmi_enq_th(struct fman_qmi_regs __iomem *qmi_rg)
+{
+ return ((ioread32be(&qmi_rg->fmqm_gc) & QMI_CFG_ENQ_MASK) >>
+ QMI_CFG_ENQ_SHIFT);
+}
+
+void fman_set_qmi_enq_th(struct fman_qmi_regs __iomem *qmi_rg, u32 val)
+{
+ u32 tmp_reg;
+
+ tmp_reg = ioread32be(&qmi_rg->fmqm_gc);
+ tmp_reg &= ~QMI_CFG_ENQ_MASK;
+ tmp_reg |= (val << QMI_CFG_ENQ_SHIFT);
+ iowrite32be(tmp_reg, &qmi_rg->fmqm_gc);
+}
+
+void fman_set_qmi_deq_th(struct fman_qmi_regs __iomem *qmi_rg, u32 val)
+{
+ u32 tmp_reg;
+
+ tmp_reg = ioread32be(&qmi_rg->fmqm_gc);
+ tmp_reg &= ~QMI_CFG_DEQ_MASK;
+ tmp_reg |= val;
+ iowrite32be(tmp_reg, &qmi_rg->fmqm_gc);
+}
+
+void fman_set_liodn_per_port(struct fman_rg *fman_rg, u8 port_id,
+ u16 liodn_base, u16 liodn_ofst)
+{
+ u32 tmp;
+
+ /* set LIODN base for this port */
+ tmp = ioread32be(&fman_rg->dma_rg->fmdmplr[port_id / 2]);
+ if (port_id % 2) {
+ tmp &= ~FM_LIODN_BASE_MASK;
+ tmp |= (u32)liodn_base;
+ } else {
+ tmp &= ~(FM_LIODN_BASE_MASK << DMA_LIODN_SHIFT);
+ tmp |= (u32)liodn_base << DMA_LIODN_SHIFT;
+ }
+ iowrite32be(tmp, &fman_rg->dma_rg->fmdmplr[port_id / 2]);
+ iowrite32be((u32)liodn_ofst,
+ &fman_rg->bmi_rg->fmbm_spliodn[port_id - 1]);
+}
+
+int fman_reset_mac(struct fman_fpm_regs __iomem *fpm_rg, u8 mac_id)
+{
+ u32 msk, timeout = 100;
+
+ /* Get the relevant bit mask */
+ switch (mac_id) {
+ case 0:
+ msk = FPM_RSTC_MAC0_RESET;
+ break;
+ case 1:
+ msk = FPM_RSTC_MAC1_RESET;
+ break;
+ case 2:
+ msk = FPM_RSTC_MAC2_RESET;
+ break;
+ case 3:
+ msk = FPM_RSTC_MAC3_RESET;
+ break;
+ case 4:
+ msk = FPM_RSTC_MAC4_RESET;
+ break;
+ case 5:
+ msk = FPM_RSTC_MAC5_RESET;
+ break;
+ case 6:
+ msk = FPM_RSTC_MAC6_RESET;
+ break;
+ case 7:
+ msk = FPM_RSTC_MAC7_RESET;
+ break;
+ case 8:
+ msk = FPM_RSTC_MAC8_RESET;
+ break;
+ case 9:
+ msk = FPM_RSTC_MAC9_RESET;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* reset */
+ iowrite32be(msk, &fpm_rg->fm_rstc);
+ while ((ioread32be(&fpm_rg->fm_rstc) & msk) && --timeout)
+ udelay(10);
+
+ if (!timeout)
+ return -EIO;
+ return 0;
+}
+
+void fman_set_size_of_fifo(struct fman_bmi_regs __iomem *bmi_rg, u8 port_id,
+ u32 sz_fifo, u32 extra_sz_fifo)
+{
+ u32 tmp;
+
+ /* calculate reg */
+ tmp = (u32)((sz_fifo / FMAN_BMI_FIFO_UNITS - 1) |
+ ((extra_sz_fifo / FMAN_BMI_FIFO_UNITS) <<
+ BMI_EXTRA_FIFO_SIZE_SHIFT));
+ iowrite32be(tmp, &bmi_rg->fmbm_pfs[port_id - 1]);
+}
+
+void fman_set_num_of_tasks(struct fman_bmi_regs __iomem *bmi_rg, u8 port_id,
+ u8 num_tasks, u8 num_extra_tasks)
+{
+ u32 tmp;
+
+ /* calculate reg */
+ tmp = ioread32be(&bmi_rg->fmbm_pp[port_id - 1]) &
+ ~(BMI_NUM_OF_TASKS_MASK | BMI_NUM_OF_EXTRA_TASKS_MASK);
+ tmp |= ((u32)((num_tasks - 1) << BMI_NUM_OF_TASKS_SHIFT) |
+ (u32)(num_extra_tasks << BMI_EXTRA_NUM_OF_TASKS_SHIFT));
+ iowrite32be(tmp, &bmi_rg->fmbm_pp[port_id - 1]);
+}
+
+u8 fman_get_num_of_dmas(struct fman_bmi_regs __iomem *bmi_rg, u8 port_id)
+{
+ u32 tmp;
+
+ tmp = ioread32be(&bmi_rg->fmbm_pp[port_id - 1]);
+ return (u8)(((tmp & BMI_NUM_OF_DMAS_MASK) >>
+ BMI_NUM_OF_DMAS_SHIFT) + 1);
+}
+
+u8 fman_get_num_extra_dmas(struct fman_bmi_regs __iomem *bmi_rg, u8 port_id)
+{
+ u32 tmp;
+
+ tmp = ioread32be(&bmi_rg->fmbm_pp[port_id - 1]);
+ return (u8)((tmp & BMI_NUM_OF_EXTRA_DMAS_MASK) >>
+ BMI_EXTRA_NUM_OF_DMAS_SHIFT);
+}
+
+void fman_set_num_of_open_dmas(struct fman_bmi_regs __iomem *bmi_rg,
+ u8 port_id, u8 num_open_dmas,
+ u8 num_extra_open_dmas, u8 total_num_dmas)
+{
+ u32 tmp = 0;
+
+ /* calculate reg */
+ tmp = ioread32be(&bmi_rg->fmbm_pp[port_id - 1]) &
+ ~(BMI_NUM_OF_DMAS_MASK | BMI_NUM_OF_EXTRA_DMAS_MASK);
+ tmp |= (u32)(((num_open_dmas - 1) << BMI_NUM_OF_DMAS_SHIFT) |
+ (num_extra_open_dmas <<
+ BMI_EXTRA_NUM_OF_DMAS_SHIFT));
+ iowrite32be(tmp, &bmi_rg->fmbm_pp[port_id - 1]);
+
+ /* update total num of DMA's with committed number of open DMAS,
+ * and max uncommitted pool.
+ */
+ if (total_num_dmas) {
+ tmp = ioread32be(&bmi_rg->fmbm_cfg2) & ~BMI_CFG2_DMAS_MASK;
+ tmp |= (u32)(total_num_dmas - 1) << BMI_CFG2_DMAS_SHIFT;
+ iowrite32be(tmp, &bmi_rg->fmbm_cfg2);
+ }
+}
+
+/* API Init unit functions */
+
+void fman_defconfig(struct fman_cfg *cfg)
+{
+ memset(cfg, 0, sizeof(struct fman_cfg));
+
+ cfg->catastrophic_err = DEFAULT_CATASTROPHIC_ERR;
+ cfg->dma_err = DEFAULT_DMA_ERR;
+ cfg->halt_on_external_activ = DEFAULT_HALT_ON_EXTERNAL_ACTIVATION;
+ cfg->halt_on_unrecov_ecc_err = DEFAULT_HALT_ON_UNRECOVERABLE_ECC_ERROR;
+ cfg->en_iram_test_mode = false;
+ cfg->en_muram_test_mode = false;
+ cfg->external_ecc_rams_enable = DEFAULT_EXTERNAL_ECC_RAMS_ENABLE;
+
+ cfg->dma_aid_override = DEFAULT_AID_OVERRIDE;
+ cfg->dma_aid_mode = DEFAULT_AID_MODE;
+ cfg->dma_comm_qtsh_clr_emer = DEFAULT_DMA_COMM_Q_LOW;
+ cfg->dma_comm_qtsh_asrt_emer = DEFAULT_DMA_COMM_Q_HIGH;
+ cfg->dma_cache_override = DEFAULT_CACHE_OVERRIDE;
+ cfg->dma_cam_num_of_entries = DEFAULT_DMA_CAM_NUM_OF_ENTRIES;
+ cfg->dma_dbg_cnt_mode = DEFAULT_DMA_DBG_CNT_MODE;
+ cfg->dma_en_emergency = DEFAULT_DMA_EN_EMERGENCY;
+ cfg->dma_sos_emergency = DEFAULT_DMA_SOS_EMERGENCY;
+ cfg->dma_watchdog = DEFAULT_DMA_WATCHDOG;
+ cfg->dma_en_emergency_smoother = DEFAULT_DMA_EN_EMERGENCY_SMOOTHER;
+ cfg->dma_emergency_switch_counter =
+ DEFAULT_DMA_EMERGENCY_SWITCH_COUNTER;
+ cfg->disp_limit_tsh = DEFAULT_DISP_LIMIT;
+ cfg->prs_disp_tsh = DEFAULT_PRS_DISP_TH;
+ cfg->plcr_disp_tsh = DEFAULT_PLCR_DISP_TH;
+ cfg->kg_disp_tsh = DEFAULT_KG_DISP_TH;
+ cfg->bmi_disp_tsh = DEFAULT_BMI_DISP_TH;
+ cfg->qmi_enq_disp_tsh = DEFAULT_QMI_ENQ_DISP_TH;
+ cfg->qmi_deq_disp_tsh = DEFAULT_QMI_DEQ_DISP_TH;
+ cfg->fm_ctl1_disp_tsh = DEFAULT_FM_CTL1_DISP_TH;
+ cfg->fm_ctl2_disp_tsh = DEFAULT_FM_CTL2_DISP_TH;
+
+ cfg->pedantic_dma = false;
+ cfg->tnum_aging_period = DEFAULT_TNUM_AGING_PERIOD;
+ cfg->dma_stop_on_bus_error = false;
+ cfg->qmi_deq_option_support = false;
+}
+
+int fman_dma_init(struct fman_dma_regs __iomem *dma_rg, struct fman_cfg *cfg)
+{
+ u32 tmp_reg;
+
+ /* Init DMA Registers */
+
+ /* clear status reg events */
+ tmp_reg = (DMA_STATUS_BUS_ERR | DMA_STATUS_READ_ECC |
+ DMA_STATUS_SYSTEM_WRITE_ECC | DMA_STATUS_FM_WRITE_ECC);
+ iowrite32be(ioread32be(&dma_rg->fmdmsr) | tmp_reg, &dma_rg->fmdmsr);
+
+ /* configure mode register */
+ tmp_reg = 0;
+ tmp_reg |= cfg->dma_cache_override << DMA_MODE_CACHE_OR_SHIFT;
+ if (cfg->dma_aid_override)
+ tmp_reg |= DMA_MODE_AID_OR;
+ if (cfg->exceptions & FMAN_EX_DMA_BUS_ERROR)
+ tmp_reg |= DMA_MODE_BER;
+ if ((cfg->exceptions & FMAN_EX_DMA_SYSTEM_WRITE_ECC) |
+ (cfg->exceptions & FMAN_EX_DMA_READ_ECC) |
+ (cfg->exceptions & FMAN_EX_DMA_FM_WRITE_ECC))
+ tmp_reg |= DMA_MODE_ECC;
+ if (cfg->dma_stop_on_bus_error)
+ tmp_reg |= DMA_MODE_SBER;
+ if (cfg->dma_axi_dbg_num_of_beats)
+ tmp_reg |= (DMA_MODE_AXI_DBG_MASK &
+ ((cfg->dma_axi_dbg_num_of_beats - 1)
+ << DMA_MODE_AXI_DBG_SHIFT));
+
+ if (cfg->dma_en_emergency) {
+ tmp_reg |= cfg->dma_emergency_bus_select;
+ tmp_reg |= cfg->dma_emergency_level << DMA_MODE_EMER_LVL_SHIFT;
+ if (cfg->dma_en_emergency_smoother)
+ iowrite32be(cfg->dma_emergency_switch_counter,
+ &dma_rg->fmdmemsr);
+ }
+ tmp_reg |= (((cfg->dma_cam_num_of_entries / DMA_CAM_UNITS) - 1) &
+ DMA_MODE_CEN_MASK) << DMA_MODE_CEN_SHIFT;
+ tmp_reg |= DMA_MODE_SECURE_PROT;
+ tmp_reg |= cfg->dma_dbg_cnt_mode << DMA_MODE_DBG_SHIFT;
+ tmp_reg |= cfg->dma_aid_mode << DMA_MODE_AID_MODE_SHIFT;
+
+ if (cfg->pedantic_dma)
+ tmp_reg |= DMA_MODE_EMER_READ;
+
+ iowrite32be(tmp_reg, &dma_rg->fmdmmr);
+
+ /* configure thresholds register */
+ tmp_reg = ((u32)cfg->dma_comm_qtsh_asrt_emer <<
+ DMA_THRESH_COMMQ_SHIFT);
+ tmp_reg |= (cfg->dma_read_buf_tsh_asrt_emer &
+ DMA_THRESH_READ_INT_BUF_MASK) << DMA_THRESH_READ_INT_BUF_SHIFT;
+ tmp_reg |= cfg->dma_write_buf_tsh_asrt_emer &
+ DMA_THRESH_WRITE_INT_BUF_MASK;
+
+ iowrite32be(tmp_reg, &dma_rg->fmdmtr);
+
+ /* configure hysteresis register */
+ tmp_reg = ((u32)cfg->dma_comm_qtsh_clr_emer <<
+ DMA_THRESH_COMMQ_SHIFT);
+ tmp_reg |= (cfg->dma_read_buf_tsh_clr_emer &
+ DMA_THRESH_READ_INT_BUF_MASK) << DMA_THRESH_READ_INT_BUF_SHIFT;
+ tmp_reg |= cfg->dma_write_buf_tsh_clr_emer &
+ DMA_THRESH_WRITE_INT_BUF_MASK;
+
+ iowrite32be(tmp_reg, &dma_rg->fmdmhy);
+
+ /* configure emergency threshold */
+ iowrite32be(cfg->dma_sos_emergency, &dma_rg->fmdmsetr);
+
+ /* configure Watchdog */
+ iowrite32be((cfg->dma_watchdog * cfg->clk_freq), &dma_rg->fmdmwcr);
+
+ iowrite32be(cfg->cam_base_addr, &dma_rg->fmdmebcr);
+
+ return 0;
+}
+
+int fman_fpm_init(struct fman_fpm_regs __iomem *fpm_rg, struct fman_cfg *cfg)
+{
+ u32 tmp_reg;
+ int i;
+
+ /* Init FPM Registers */
+
+ tmp_reg = (u32)(cfg->disp_limit_tsh << FPM_DISP_LIMIT_SHIFT);
+ iowrite32be(tmp_reg, &fpm_rg->fmfp_mxd);
+
+ tmp_reg = (((u32)cfg->prs_disp_tsh << FPM_THR1_PRS_SHIFT) |
+ ((u32)cfg->kg_disp_tsh << FPM_THR1_KG_SHIFT) |
+ ((u32)cfg->plcr_disp_tsh << FPM_THR1_PLCR_SHIFT) |
+ ((u32)cfg->bmi_disp_tsh << FPM_THR1_BMI_SHIFT));
+ iowrite32be(tmp_reg, &fpm_rg->fmfp_dist1);
+
+ tmp_reg =
+ (((u32)cfg->qmi_enq_disp_tsh << FPM_THR2_QMI_ENQ_SHIFT) |
+ ((u32)cfg->qmi_deq_disp_tsh << FPM_THR2_QMI_DEQ_SHIFT) |
+ ((u32)cfg->fm_ctl1_disp_tsh << FPM_THR2_FM_CTL1_SHIFT) |
+ ((u32)cfg->fm_ctl2_disp_tsh << FPM_THR2_FM_CTL2_SHIFT));
+ iowrite32be(tmp_reg, &fpm_rg->fmfp_dist2);
+
+ /* define exceptions and error behavior */
+ tmp_reg = 0;
+ /* Clear events */
+ tmp_reg |= (FPM_EV_MASK_STALL | FPM_EV_MASK_DOUBLE_ECC |
+ FPM_EV_MASK_SINGLE_ECC);
+ /* enable interrupts */
+ if (cfg->exceptions & FMAN_EX_FPM_STALL_ON_TASKS)
+ tmp_reg |= FPM_EV_MASK_STALL_EN;
+ if (cfg->exceptions & FMAN_EX_FPM_SINGLE_ECC)
+ tmp_reg |= FPM_EV_MASK_SINGLE_ECC_EN;
+ if (cfg->exceptions & FMAN_EX_FPM_DOUBLE_ECC)
+ tmp_reg |= FPM_EV_MASK_DOUBLE_ECC_EN;
+ tmp_reg |= (cfg->catastrophic_err << FPM_EV_MASK_CAT_ERR_SHIFT);
+ tmp_reg |= (cfg->dma_err << FPM_EV_MASK_DMA_ERR_SHIFT);
+ if (!cfg->halt_on_external_activ)
+ tmp_reg |= FPM_EV_MASK_EXTERNAL_HALT;
+ if (!cfg->halt_on_unrecov_ecc_err)
+ tmp_reg |= FPM_EV_MASK_ECC_ERR_HALT;
+ iowrite32be(tmp_reg, &fpm_rg->fmfp_ee);
+
+ /* clear all fmCtls event registers */
+ for (i = 0; i < cfg->num_of_fman_ctrl_evnt_regs; i++)
+ iowrite32be(0xFFFFFFFF, &fpm_rg->fmfp_cev[i]);
+
+ /* RAM ECC - enable and clear events */
+ /* first we need to clear all parser memory,
+ * as it is uninitialized and may cause ECC errors
+ */
+ /* event bits */
+ tmp_reg = (FPM_RAM_MURAM_ECC | FPM_RAM_IRAM_ECC);
+ /* Rams enable not effected by RCR bit,
+ * but by a COP configuration
+ */
+ if (cfg->external_ecc_rams_enable)
+ tmp_reg |= FPM_RAM_RAMS_ECC_EN_SRC_SEL;
+
+ /* enable test mode */
+ if (cfg->en_muram_test_mode)
+ tmp_reg |= FPM_RAM_MURAM_TEST_ECC;
+ if (cfg->en_iram_test_mode)
+ tmp_reg |= FPM_RAM_IRAM_TEST_ECC;
+ iowrite32be(tmp_reg, &fpm_rg->fm_rcr);
+
+ tmp_reg = 0;
+ if (cfg->exceptions & FMAN_EX_IRAM_ECC) {
+ tmp_reg |= FPM_IRAM_ECC_ERR_EX_EN;
+ fman_enable_rams_ecc(fpm_rg);
+ }
+ if (cfg->exceptions & FMAN_EX_NURAM_ECC) {
+ tmp_reg |= FPM_MURAM_ECC_ERR_EX_EN;
+ fman_enable_rams_ecc(fpm_rg);
+ }
+ iowrite32be(tmp_reg, &fpm_rg->fm_rie);
+
+ return 0;
+}
+
+int fman_bmi_init(struct fman_bmi_regs __iomem *bmi_rg, struct fman_cfg *cfg)
+{
+ u32 tmp_reg;
+
+ /* Init BMI Registers */
+
+ /* define common resources */
+ tmp_reg = cfg->fifo_base_addr;
+ tmp_reg = tmp_reg / BMI_FIFO_ALIGN;
+
+ tmp_reg |= ((cfg->total_fifo_size / FMAN_BMI_FIFO_UNITS - 1) <<
+ BMI_CFG1_FIFO_SIZE_SHIFT);
+ iowrite32be(tmp_reg, &bmi_rg->fmbm_cfg1);
+
+ tmp_reg = ((cfg->total_num_of_tasks - 1) & BMI_CFG2_TASKS_MASK) <<
+ BMI_CFG2_TASKS_SHIFT;
+ /* num of DMA's will be dynamically updated when each port is set */
+ iowrite32be(tmp_reg, &bmi_rg->fmbm_cfg2);
+
+ /* define unmaskable exceptions, enable and clear events */
+ tmp_reg = 0;
+ iowrite32be(BMI_ERR_INTR_EN_LIST_RAM_ECC |
+ BMI_ERR_INTR_EN_STORAGE_PROFILE_ECC |
+ BMI_ERR_INTR_EN_STATISTICS_RAM_ECC |
+ BMI_ERR_INTR_EN_DISPATCH_RAM_ECC, &bmi_rg->fmbm_ievr);
+
+ if (cfg->exceptions & FMAN_EX_BMI_LIST_RAM_ECC)
+ tmp_reg |= BMI_ERR_INTR_EN_LIST_RAM_ECC;
+ if (cfg->exceptions & FMAN_EX_BMI_PIPELINE_ECC)
+ tmp_reg |= BMI_ERR_INTR_EN_STORAGE_PROFILE_ECC;
+ if (cfg->exceptions & FMAN_EX_BMI_STATISTICS_RAM_ECC)
+ tmp_reg |= BMI_ERR_INTR_EN_STATISTICS_RAM_ECC;
+ if (cfg->exceptions & FMAN_EX_BMI_DISPATCH_RAM_ECC)
+ tmp_reg |= BMI_ERR_INTR_EN_DISPATCH_RAM_ECC;
+ iowrite32be(tmp_reg, &bmi_rg->fmbm_ier);
+
+ return 0;
+}
+
+int fman_qmi_init(struct fman_qmi_regs __iomem *qmi_rg, struct fman_cfg *cfg)
+{
+ u32 tmp_reg;
+ u16 period_in_fm_clocks;
+ u8 remainder;
+
+ /* Init QMI Registers */
+
+ /* Clear error interrupt events */
+
+ iowrite32be(QMI_ERR_INTR_EN_DOUBLE_ECC | QMI_ERR_INTR_EN_DEQ_FROM_DEF,
+ &qmi_rg->fmqm_eie);
+ tmp_reg = 0;
+ if (cfg->exceptions & FMAN_EX_QMI_DEQ_FROM_UNKNOWN_PORTID)
+ tmp_reg |= QMI_ERR_INTR_EN_DEQ_FROM_DEF;
+ if (cfg->exceptions & FMAN_EX_QMI_DOUBLE_ECC)
+ tmp_reg |= QMI_ERR_INTR_EN_DOUBLE_ECC;
+ /* enable events */
+ iowrite32be(tmp_reg, &qmi_rg->fmqm_eien);
+
+ if (cfg->tnum_aging_period) {
+ /* tnum_aging_period is in units of usec, clk_freq in Mhz */
+ period_in_fm_clocks = (u16)
+ (cfg->tnum_aging_period * cfg->clk_freq);
+ /* period_in_fm_clocks must be a 64 multiple */
+ remainder = period_in_fm_clocks % 64;
+ if (remainder) {
+ tmp_reg = (u32)((period_in_fm_clocks / 64) + 1);
+ } else {
+ tmp_reg = (u32)(period_in_fm_clocks / 64);
+ if (!tmp_reg)
+ tmp_reg = 1;
+ }
+ tmp_reg <<= QMI_TAPC_TAP;
+ iowrite32be(tmp_reg, &qmi_rg->fmqm_tapc);
+ }
+ tmp_reg = 0;
+ /* Clear interrupt events */
+ iowrite32be(QMI_INTR_EN_SINGLE_ECC, &qmi_rg->fmqm_ie);
+ if (cfg->exceptions & FMAN_EX_QMI_SINGLE_ECC)
+ tmp_reg |= QMI_INTR_EN_SINGLE_ECC;
+ /* enable events */
+ iowrite32be(tmp_reg, &qmi_rg->fmqm_ien);
+
+ return 0;
+}
+
+int fman_enable(struct fman_rg *fman_rg, struct fman_cfg *cfg)
+{
+ u32 cfg_reg = 0;
+
+ /* Enable all modules */
+
+ /* clear&enable global counters - calculate reg and save for later,
+ * because it's the same reg for QMI enable
+ */
+ cfg_reg = QMI_CFG_EN_COUNTERS;
+ if (cfg->qmi_deq_option_support)
+ cfg_reg |= (u32)(((cfg->qmi_def_tnums_thresh) << 8) |
+ cfg->qmi_def_tnums_thresh);
+
+ iowrite32be(BMI_INIT_START, &fman_rg->bmi_rg->fmbm_init);
+ iowrite32be(cfg_reg | QMI_CFG_ENQ_EN | QMI_CFG_DEQ_EN,
+ &fman_rg->qmi_rg->fmqm_gc);
+
+ return 0;
+}
+
+/* API Run-time Control uint functions */
+
+u32 fman_get_normal_pending(struct fman_fpm_regs __iomem *fpm_rg)
+{
+ return ioread32be(&fpm_rg->fm_npi);
+}
+
+void fman_enable_rams_ecc(struct fman_fpm_regs __iomem *fpm_rg)
+{
+ u32 tmp;
+
+ tmp = ioread32be(&fpm_rg->fm_rcr);
+ if (tmp & FPM_RAM_RAMS_ECC_EN_SRC_SEL)
+ iowrite32be(tmp | FPM_RAM_IRAM_ECC_EN, &fpm_rg->fm_rcr);
+ else
+ iowrite32be(tmp | FPM_RAM_RAMS_ECC_EN |
+ FPM_RAM_IRAM_ECC_EN, &fpm_rg->fm_rcr);
+}
+
+void fman_disable_rams_ecc(struct fman_fpm_regs __iomem *fpm_rg)
+{
+ u32 tmp;
+
+ tmp = ioread32be(&fpm_rg->fm_rcr);
+ if (tmp & FPM_RAM_RAMS_ECC_EN_SRC_SEL)
+ iowrite32be(tmp & ~FPM_RAM_IRAM_ECC_EN, &fpm_rg->fm_rcr);
+ else
+ iowrite32be(tmp & ~(FPM_RAM_RAMS_ECC_EN | FPM_RAM_IRAM_ECC_EN),
+ &fpm_rg->fm_rcr);
+}
+
+int fman_set_exception(struct fman_rg *fman_rg,
+ enum fman_exceptions exception, bool enable)
+{
+ u32 tmp;
+
+ switch (exception) {
+ case E_FMAN_EX_DMA_BUS_ERROR:
+ tmp = ioread32be(&fman_rg->dma_rg->fmdmmr);
+ if (enable)
+ tmp |= DMA_MODE_BER;
+ else
+ tmp &= ~DMA_MODE_BER;
+ /* disable bus error */
+ iowrite32be(tmp, &fman_rg->dma_rg->fmdmmr);
+ break;
+ case E_FMAN_EX_DMA_READ_ECC:
+ case E_FMAN_EX_DMA_SYSTEM_WRITE_ECC:
+ case E_FMAN_EX_DMA_FM_WRITE_ECC:
+ tmp = ioread32be(&fman_rg->dma_rg->fmdmmr);
+ if (enable)
+ tmp |= DMA_MODE_ECC;
+ else
+ tmp &= ~DMA_MODE_ECC;
+ iowrite32be(tmp, &fman_rg->dma_rg->fmdmmr);
+ break;
+ case E_FMAN_EX_FPM_STALL_ON_TASKS:
+ tmp = ioread32be(&fman_rg->fpm_rg->fmfp_ee);
+ if (enable)
+ tmp |= FPM_EV_MASK_STALL_EN;
+ else
+ tmp &= ~FPM_EV_MASK_STALL_EN;
+ iowrite32be(tmp, &fman_rg->fpm_rg->fmfp_ee);
+ break;
+ case E_FMAN_EX_FPM_SINGLE_ECC:
+ tmp = ioread32be(&fman_rg->fpm_rg->fmfp_ee);
+ if (enable)
+ tmp |= FPM_EV_MASK_SINGLE_ECC_EN;
+ else
+ tmp &= ~FPM_EV_MASK_SINGLE_ECC_EN;
+ iowrite32be(tmp, &fman_rg->fpm_rg->fmfp_ee);
+ break;
+ case E_FMAN_EX_FPM_DOUBLE_ECC:
+ tmp = ioread32be(&fman_rg->fpm_rg->fmfp_ee);
+ if (enable)
+ tmp |= FPM_EV_MASK_DOUBLE_ECC_EN;
+ else
+ tmp &= ~FPM_EV_MASK_DOUBLE_ECC_EN;
+ iowrite32be(tmp, &fman_rg->fpm_rg->fmfp_ee);
+ break;
+ case E_FMAN_EX_QMI_SINGLE_ECC:
+ tmp = ioread32be(&fman_rg->qmi_rg->fmqm_ien);
+ if (enable)
+ tmp |= QMI_INTR_EN_SINGLE_ECC;
+ else
+ tmp &= ~QMI_INTR_EN_SINGLE_ECC;
+ iowrite32be(tmp, &fman_rg->qmi_rg->fmqm_ien);
+ break;
+ case E_FMAN_EX_QMI_DOUBLE_ECC:
+ tmp = ioread32be(&fman_rg->qmi_rg->fmqm_eien);
+ if (enable)
+ tmp |= QMI_ERR_INTR_EN_DOUBLE_ECC;
+ else
+ tmp &= ~QMI_ERR_INTR_EN_DOUBLE_ECC;
+ iowrite32be(tmp, &fman_rg->qmi_rg->fmqm_eien);
+ break;
+ case E_FMAN_EX_QMI_DEQ_FROM_UNKNOWN_PORTID:
+ tmp = ioread32be(&fman_rg->qmi_rg->fmqm_eien);
+ if (enable)
+ tmp |= QMI_ERR_INTR_EN_DEQ_FROM_DEF;
+ else
+ tmp &= ~QMI_ERR_INTR_EN_DEQ_FROM_DEF;
+ iowrite32be(tmp, &fman_rg->qmi_rg->fmqm_eien);
+ break;
+ case E_FMAN_EX_BMI_LIST_RAM_ECC:
+ tmp = ioread32be(&fman_rg->bmi_rg->fmbm_ier);
+ if (enable)
+ tmp |= BMI_ERR_INTR_EN_LIST_RAM_ECC;
+ else
+ tmp &= ~BMI_ERR_INTR_EN_LIST_RAM_ECC;
+ iowrite32be(tmp, &fman_rg->bmi_rg->fmbm_ier);
+ break;
+ case E_FMAN_EX_BMI_STORAGE_PROFILE_ECC:
+ tmp = ioread32be(&fman_rg->bmi_rg->fmbm_ier);
+ if (enable)
+ tmp |= BMI_ERR_INTR_EN_STORAGE_PROFILE_ECC;
+ else
+ tmp &= ~BMI_ERR_INTR_EN_STORAGE_PROFILE_ECC;
+ iowrite32be(tmp, &fman_rg->bmi_rg->fmbm_ier);
+ break;
+ case E_FMAN_EX_BMI_STATISTICS_RAM_ECC:
+ tmp = ioread32be(&fman_rg->bmi_rg->fmbm_ier);
+ if (enable)
+ tmp |= BMI_ERR_INTR_EN_STATISTICS_RAM_ECC;
+ else
+ tmp &= ~BMI_ERR_INTR_EN_STATISTICS_RAM_ECC;
+ iowrite32be(tmp, &fman_rg->bmi_rg->fmbm_ier);
+ break;
+ case E_FMAN_EX_BMI_DISPATCH_RAM_ECC:
+ tmp = ioread32be(&fman_rg->bmi_rg->fmbm_ier);
+ if (enable)
+ tmp |= BMI_ERR_INTR_EN_DISPATCH_RAM_ECC;
+ else
+ tmp &= ~BMI_ERR_INTR_EN_DISPATCH_RAM_ECC;
+ iowrite32be(tmp, &fman_rg->bmi_rg->fmbm_ier);
+ break;
+ case E_FMAN_EX_IRAM_ECC:
+ tmp = ioread32be(&fman_rg->fpm_rg->fm_rie);
+ if (enable) {
+ /* enable ECC if not enabled */
+ fman_enable_rams_ecc(fman_rg->fpm_rg);
+ /* enable ECC interrupts */
+ tmp |= FPM_IRAM_ECC_ERR_EX_EN;
+ } else {
+ /* ECC mechanism may be disabled,
+ * depending on driver status
+ */
+ fman_disable_rams_ecc(fman_rg->fpm_rg);
+ tmp &= ~FPM_IRAM_ECC_ERR_EX_EN;
+ }
+ iowrite32be(tmp, &fman_rg->fpm_rg->fm_rie);
+ break;
+ case E_FMAN_EX_MURAM_ECC:
+ tmp = ioread32be(&fman_rg->fpm_rg->fm_rie);
+ if (enable) {
+ /* enable ECC if not enabled */
+ fman_enable_rams_ecc(fman_rg->fpm_rg);
+ /* enable ECC interrupts */
+ tmp |= FPM_MURAM_ECC_ERR_EX_EN;
+ } else {
+ /* ECC mechanism may be disabled,
+ * depending on driver status
+ */
+ fman_disable_rams_ecc(fman_rg->fpm_rg);
+ tmp &= ~FPM_MURAM_ECC_ERR_EX_EN;
+ }
+ iowrite32be(tmp, &fman_rg->fpm_rg->fm_rie);
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+void fman_get_revision(struct fman_fpm_regs __iomem *fpm_rg,
+ u8 *major, u8 *minor)
+{
+ u32 tmp;
+
+ tmp = ioread32be(&fpm_rg->fm_ip_rev_1);
+ *major = (u8)((tmp & FPM_REV1_MAJOR_MASK) >> FPM_REV1_MAJOR_SHIFT);
+ *minor = (u8)((tmp & FPM_REV1_MINOR_MASK) >> FPM_REV1_MINOR_SHIFT);
+}
+
+bool fman_is_qmi_halt_not_busy_state(struct fman_qmi_regs __iomem *qmi_rg)
+{
+ return !!(ioread32be(&qmi_rg->fmqm_gs) & QMI_GS_HALT_NOT_BUSY);
+}
+
+void fman_resume(struct fman_fpm_regs __iomem *fpm_rg)
+{
+ u32 tmp;
+
+ tmp = ioread32be(&fpm_rg->fmfp_ee);
+ /* clear tmp_reg event bits in order not to clear standing events */
+ tmp &= ~(FPM_EV_MASK_DOUBLE_ECC |
+ FPM_EV_MASK_STALL | FPM_EV_MASK_SINGLE_ECC);
+ tmp |= FPM_EV_MASK_RELEASE_FM;
+
+ iowrite32be(tmp, &fpm_rg->fmfp_ee);
+}
--
1.7.9.5
--
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