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CY1PR03MB1488; 3:0ZX+oi+FEWdVnavPB4STDPPsOip4qhPNvFcWrAchyvtpjbd45LZe/LMLhJtCsreZgK5PFF4cBDX7DH/0a4koN3MFQeAgvXizNjBTsUwdFOm+7OfI8nahYKwM91T2gk0liFVwk81SilxQlrtKFUDdcw==; 10:bz5AcEfR2cwn5lkJB3N/9R8rCRa4PWp2wjNXY9vgN6pa6qys63+GoCVfMvEHBzb4L3TBM44Hosax9ZS+5ytYLkZjzF3Iq2NPkT6DszlxUIs=; 6:7FzhGpAIDbtP8Ylr4OMxljMK4cjMpwVG5YEG2jtfrTB9fAyM1TTXL/8ScoWOBOsG X-OriginatorOrg: freescale.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Jun 2015 12:09:17.9312 (UTC) X-MS-Exchange-CrossTenant-Id: 710a03f5-10f6-4d38-9ff4-a80b81da590d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=710a03f5-10f6-4d38-9ff4-a80b81da590d; Ip=[192.88.158.2]; Helo=[az84smr01.freescale.net] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY1PR03MB1488 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: igal.liberman@freescale.com Cc: scottwood@freescale.com, Igal Liberman , linuxppc-dev@lists.ozlabs.org, madalin.bucur@freescale.com Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" From: Igal Liberman The FMan FLib provides the basic API used by the FMan drivers to configure and control the FMan hardware. Signed-off-by: Igal Liberman --- 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); +}