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Message-ID: <1433949712-5648-5-git-send-email-madalin.bucur@freescale.com>
Date: Wed, 10 Jun 2015 18:21:44 +0300
From: Madalin Bucur <madalin.bucur@...escale.com>
To: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linuxppc-dev@...ts.ozlabs.org>
CC: <scottwood@...escale.com>,
Igal Liberman <Igal.Liberman@...escale.com>
Subject: [PATCH 02/12] 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 +
drivers/net/ethernet/freescale/fman/fman.c | 973 +++++++++++++++++++++++++++
5 files changed, 988 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/fman.c
diff --git a/drivers/net/ethernet/freescale/Kconfig b/drivers/net/ethernet/freescale/Kconfig
index 25e3425..24e938d 100644
--- a/drivers/net/ethernet/freescale/Kconfig
+++ b/drivers/net/ethernet/freescale/Kconfig
@@ -55,6 +55,7 @@ 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/fman.c b/drivers/net/ethernet/freescale/fman/fman.c
new file mode 100644
index 0000000..410c498
--- /dev/null
+++ b/drivers/net/ethernet/freescale/fman/fman.c
@@ -0,0 +1,973 @@
+/*
+ * 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.h"
+
+uint32_t fman_get_bmi_err_event(struct fman_bmi_regs __iomem *bmi_rg)
+{
+ uint32_t 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;
+}
+
+uint32_t fman_get_qmi_err_event(struct fman_qmi_regs __iomem *qmi_rg)
+{
+ uint32_t 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;
+}
+
+uint32_t fman_get_dma_com_id(struct fman_dma_regs __iomem *dma_rg)
+{
+ return ioread32be(&dma_rg->fmdmtcid);
+}
+
+uint64_t fman_get_dma_addr(struct fman_dma_regs __iomem *dma_rg)
+{
+ uint64_t addr;
+
+ addr = (uint64_t)ioread32be(&dma_rg->fmdmtal);
+ addr |= ((uint64_t)(ioread32be(&dma_rg->fmdmtah)) << 32);
+
+ return addr;
+}
+
+uint32_t fman_get_dma_err_event(struct fman_dma_regs __iomem *dma_rg)
+{
+ uint32_t 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;
+}
+
+uint32_t fman_get_fpm_err_event(struct fman_fpm_regs __iomem *fpm_rg)
+{
+ uint32_t event;
+
+ event = ioread32be(&fpm_rg->fmfp_ee);
+ /* clear the all occurred events */
+ iowrite32be(event, &fpm_rg->fmfp_ee);
+ return event;
+}
+
+uint32_t fman_get_muram_err_event(struct fman_fpm_regs __iomem *fpm_rg)
+{
+ uint32_t 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;
+}
+
+uint32_t fman_get_iram_err_event(struct fman_fpm_regs __iomem *fpm_rg)
+{
+ uint32_t 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;
+}
+
+uint32_t fman_get_qmi_event(struct fman_qmi_regs __iomem *qmi_rg)
+{
+ uint32_t 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,
+ uint8_t count1ubit, uint16_t fm_clk_freq)
+{
+ uint32_t tmp;
+ uint64_t frac;
+ uint32_t intgr;
+ uint32_t ts_freq = (uint32_t)(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) | (uint16_t)frac;
+ iowrite32be(tmp, &fpm_rg->fmfp_tsc2);
+
+ /* enable timestamp with original clock */
+ iowrite32be(FPM_TS_CTL_EN, &fpm_rg->fmfp_tsc1);
+}
+
+uint32_t 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)
+ usleep_range(10, 11);
+
+ if (!timeout)
+ return -EIO;
+ return 0;
+}
+
+void fman_set_order_restoration_per_port(struct fman_fpm_regs __iomem *fpm_rg,
+ uint8_t port_id, bool is_rx_port)
+{
+ uint32_t tmp = 0;
+
+ tmp = (uint32_t)(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);
+}
+
+uint8_t fman_get_qmi_deq_th(struct fman_qmi_regs __iomem *qmi_rg)
+{
+ return (uint8_t)ioread32be(&qmi_rg->fmqm_gc);
+}
+
+uint8_t fman_get_qmi_enq_th(struct fman_qmi_regs __iomem *qmi_rg)
+{
+ return (uint8_t)(ioread32be(&qmi_rg->fmqm_gc) >> 8);
+}
+
+void fman_set_qmi_enq_th(struct fman_qmi_regs __iomem *qmi_rg, uint8_t val)
+{
+ uint32_t tmp_reg;
+
+ tmp_reg = ioread32be(&qmi_rg->fmqm_gc);
+ tmp_reg &= ~QMI_CFG_ENQ_MASK;
+ tmp_reg |= ((uint32_t)val << 8);
+ iowrite32be(tmp_reg, &qmi_rg->fmqm_gc);
+}
+
+void fman_set_qmi_deq_th(struct fman_qmi_regs __iomem *qmi_rg, uint8_t val)
+{
+ uint32_t tmp_reg;
+
+ tmp_reg = ioread32be(&qmi_rg->fmqm_gc);
+ tmp_reg &= ~QMI_CFG_DEQ_MASK;
+ tmp_reg |= (uint32_t)val;
+ iowrite32be(tmp_reg, &qmi_rg->fmqm_gc);
+}
+
+void fman_set_liodn_per_port(struct fman_rg *fman_rg, uint8_t port_id,
+ uint16_t liodn_base, uint16_t liodn_ofst)
+{
+ uint32_t 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 |= (uint32_t)liodn_base;
+ } else {
+ tmp &= ~(FM_LIODN_BASE_MASK << DMA_LIODN_SHIFT);
+ tmp |= (uint32_t)liodn_base << DMA_LIODN_SHIFT;
+ }
+ iowrite32be(tmp, &fman_rg->dma_rg->fmdmplr[port_id / 2]);
+ iowrite32be((uint32_t)liodn_ofst,
+ &fman_rg->bmi_rg->fmbm_spliodn[port_id - 1]);
+}
+
+int fman_reset_mac(struct fman_fpm_regs __iomem *fpm_rg, uint8_t mac_id)
+{
+ uint32_t 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)
+ usleep_range(10, 11);
+
+ if (!timeout)
+ return -EIO;
+ return 0;
+}
+
+uint16_t fman_get_size_of_fifo(struct fman_bmi_regs __iomem *bmi_rg,
+ uint8_t port_id)
+{
+ uint32_t tmp_reg;
+
+ tmp_reg = ioread32be(&bmi_rg->fmbm_pfs[port_id - 1]);
+ return (uint16_t)((tmp_reg & BMI_FIFO_SIZE_MASK) + 1);
+}
+
+uint16_t fman_get_size_of_extra_fifo(struct fman_bmi_regs __iomem *bmi_rg,
+ uint8_t port_id)
+{
+ uint32_t tmp_reg;
+
+ tmp_reg = ioread32be(&bmi_rg->fmbm_pfs[port_id - 1]);
+ return (uint16_t)((tmp_reg & BMI_EXTRA_FIFO_SIZE_MASK) >>
+ BMI_EXTRA_FIFO_SIZE_SHIFT);
+}
+
+void fman_set_size_of_fifo(struct fman_bmi_regs __iomem *bmi_rg,
+ uint8_t port_id, uint32_t sz_fifo,
+ uint32_t extra_sz_fifo)
+{
+ uint32_t tmp;
+
+ /* calculate reg */
+ tmp = (uint32_t)((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]);
+}
+
+uint8_t fman_get_num_of_tasks(struct fman_bmi_regs __iomem *bmi_rg,
+ uint8_t port_id)
+{
+ uint32_t tmp;
+
+ tmp = ioread32be(&bmi_rg->fmbm_pp[port_id - 1]);
+ return (uint8_t)(((tmp & BMI_NUM_OF_TASKS_MASK) >>
+ BMI_NUM_OF_TASKS_SHIFT) + 1);
+}
+
+uint8_t fman_get_num_extra_tasks(struct fman_bmi_regs __iomem *bmi_rg,
+ uint8_t port_id)
+{
+ uint32_t tmp;
+
+ tmp = ioread32be(&bmi_rg->fmbm_pp[port_id - 1]);
+ return (uint8_t)((tmp & BMI_NUM_OF_EXTRA_TASKS_MASK) >>
+ BMI_EXTRA_NUM_OF_TASKS_SHIFT);
+}
+
+void fman_set_num_of_tasks(struct fman_bmi_regs __iomem *bmi_rg,
+ uint8_t port_id, uint8_t num_tasks,
+ uint8_t num_extra_tasks)
+{
+ uint32_t tmp;
+
+ /* calculate reg */
+ tmp = ioread32be(&bmi_rg->fmbm_pp[port_id - 1]) &
+ ~(BMI_NUM_OF_TASKS_MASK | BMI_NUM_OF_EXTRA_TASKS_MASK);
+ tmp |= ((uint32_t)((num_tasks - 1) << BMI_NUM_OF_TASKS_SHIFT) |
+ (uint32_t)(num_extra_tasks << BMI_EXTRA_NUM_OF_TASKS_SHIFT));
+ iowrite32be(tmp, &bmi_rg->fmbm_pp[port_id - 1]);
+}
+
+uint8_t fman_get_num_of_dmas(struct fman_bmi_regs __iomem *bmi_rg,
+ uint8_t port_id)
+{
+ uint32_t tmp;
+
+ tmp = ioread32be(&bmi_rg->fmbm_pp[port_id - 1]);
+ return (uint8_t)(((tmp & BMI_NUM_OF_DMAS_MASK) >>
+ BMI_NUM_OF_DMAS_SHIFT) + 1);
+}
+
+uint8_t fman_get_num_extra_dmas(struct fman_bmi_regs __iomem *bmi_rg,
+ uint8_t port_id)
+{
+ uint32_t tmp;
+
+ tmp = ioread32be(&bmi_rg->fmbm_pp[port_id - 1]);
+ return (uint8_t)((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,
+ uint8_t port_id, uint8_t num_open_dmas,
+ uint8_t num_extra_open_dmas,
+ uint8_t total_num_dmas)
+{
+ uint32_t 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 |= (uint32_t)(((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 |= (uint32_t)(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)
+{
+ uint32_t 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 |= (uint32_t)(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_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 = ((uint32_t)cfg->dma_comm_qtsh_asrt_emer <<
+ DMA_THRESH_COMMQ_SHIFT) |
+ ((uint32_t)cfg->dma_read_buf_tsh_asrt_emer <<
+ DMA_THRESH_READ_INT_BUF_SHIFT) |
+ ((uint32_t)cfg->dma_write_buf_tsh_asrt_emer);
+
+ iowrite32be(tmp_reg, &dma_rg->fmdmtr);
+
+ /* configure hysteresis register */
+ tmp_reg = ((uint32_t)cfg->dma_comm_qtsh_clr_emer <<
+ DMA_THRESH_COMMQ_SHIFT) |
+ ((uint32_t)cfg->dma_read_buf_tsh_clr_emer <<
+ DMA_THRESH_READ_INT_BUF_SHIFT) |
+ ((uint32_t)cfg->dma_write_buf_tsh_clr_emer);
+
+ 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)
+{
+ uint32_t tmp_reg;
+ int i;
+
+ /* Init FPM Registers */
+
+ tmp_reg = (uint32_t)(cfg->disp_limit_tsh << FPM_DISP_LIMIT_SHIFT);
+ iowrite32be(tmp_reg, &fpm_rg->fmfp_mxd);
+
+ tmp_reg = (((uint32_t)cfg->prs_disp_tsh << FPM_THR1_PRS_SHIFT) |
+ ((uint32_t)cfg->kg_disp_tsh << FPM_THR1_KG_SHIFT) |
+ ((uint32_t)cfg->plcr_disp_tsh << FPM_THR1_PLCR_SHIFT) |
+ ((uint32_t)cfg->bmi_disp_tsh << FPM_THR1_BMI_SHIFT));
+ iowrite32be(tmp_reg, &fpm_rg->fmfp_dist1);
+
+ tmp_reg =
+ (((uint32_t)cfg->qmi_enq_disp_tsh << FPM_THR2_QMI_ENQ_SHIFT) |
+ ((uint32_t)cfg->qmi_deq_disp_tsh << FPM_THR2_QMI_DEQ_SHIFT) |
+ ((uint32_t)cfg->fm_ctl1_disp_tsh << FPM_THR2_FM_CTL1_SHIFT) |
+ ((uint32_t)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)
+{
+ uint32_t 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 = ((uint32_t)(cfg->total_num_of_tasks - 1) <<
+ 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)
+{
+ uint32_t tmp_reg;
+ uint16_t period_in_fm_clocks;
+ uint8_t 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,
+ * p_fmClockFreq in Mhz
+ */
+ period_in_fm_clocks = (uint16_t)
+ (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 = (uint32_t)((period_in_fm_clocks / 64) + 1);
+ } else {
+ tmp_reg = (uint32_t)(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)
+{
+ uint32_t 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 |= (uint32_t)(((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;
+}
+
+void fman_free_resources(struct fman_rg *fman_rg)
+{
+ /* disable BMI and QMI */
+ iowrite32be(0, &fman_rg->bmi_rg->fmbm_init);
+ iowrite32be(0, &fman_rg->qmi_rg->fmqm_gc);
+
+ /* release BMI resources */
+ iowrite32be(0, &fman_rg->bmi_rg->fmbm_cfg2);
+ iowrite32be(0, &fman_rg->bmi_rg->fmbm_cfg1);
+
+ /* disable ECC */
+ iowrite32be(0, &fman_rg->fpm_rg->fm_rcr);
+}
+
+/* API Run-time Control uint functions */
+
+uint32_t fman_get_normal_pending(struct fman_fpm_regs __iomem *fpm_rg)
+{
+ return ioread32be(&fpm_rg->fm_npi);
+}
+
+uint32_t fman_get_error_pending(struct fman_fpm_regs __iomem *fpm_rg)
+{
+ return ioread32be(&fpm_rg->fm_epi);
+}
+
+void fman_enable_rams_ecc(struct fman_fpm_regs __iomem *fpm_rg)
+{
+ uint32_t 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)
+{
+ uint32_t 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)
+{
+ uint32_t 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,
+ uint8_t *major, uint8_t *minor)
+{
+ uint32_t tmp;
+
+ tmp = ioread32be(&fpm_rg->fm_ip_rev_1);
+ *major =
+ (uint8_t)((tmp & FPM_REV1_MAJOR_MASK) >> FPM_REV1_MAJOR_SHIFT);
+ *minor =
+ (uint8_t)((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)
+{
+ uint32_t 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);
+}
--
1.7.11.7
--
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