diff options
Diffstat (limited to 'sys/dev/dpaa/fman.c')
-rw-r--r-- | sys/dev/dpaa/fman.c | 357 |
1 files changed, 357 insertions, 0 deletions
diff --git a/sys/dev/dpaa/fman.c b/sys/dev/dpaa/fman.c new file mode 100644 index 0000000..3e44db8 --- /dev/null +++ b/sys/dev/dpaa/fman.c @@ -0,0 +1,357 @@ +/*- + * Copyright (c) 2011-2012 Semihalf. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 THE AUTHOR OR CONTRIBUTORS 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 <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/module.h> +#include <sys/bus.h> +#include <sys/rman.h> +#include <sys/malloc.h> + +#include <dev/fdt/fdt_common.h> +#include <dev/ofw/ofw_bus.h> +#include <dev/ofw/ofw_bus_subr.h> + +#include "opt_platform.h" + +#include <contrib/ncsw/inc/Peripherals/fm_ext.h> +#include <contrib/ncsw/inc/Peripherals/fm_muram_ext.h> +#include <contrib/ncsw/inc/ncsw_ext.h> +#include <contrib/ncsw/integrations/fman_ucode.h> + +#include "fman.h" + + +/** + * @group FMan private defines. + * @{ + */ +enum fman_irq_enum { + FMAN_IRQ_NUM = 0, + FMAN_ERR_IRQ_NUM = 1 +}; + +enum fman_mu_ram_map { + FMAN_MURAM_OFF = 0x0, + FMAN_MURAM_SIZE = 0x28000 +}; + +struct fman_config { + device_t fman_device; + uintptr_t mem_base_addr; + int irq_num; + int err_irq_num; + uint8_t fm_id; + t_FmExceptionsCallback *exception_callback; + t_FmBusErrorCallback *bus_error_callback; +}; + +/** + * @group FMan private methods/members. + * @{ + */ +/** + * Frame Manager firmware. + * We use the same firmware for both P3041 and P2041 devices. + */ +const uint32_t fman_firmware[] = FMAN_UC_IMG; +const uint32_t fman_firmware_size = sizeof(fman_firmware); +static struct fman_softc *fm_sc = NULL; + +static t_Handle +fman_init(struct fman_softc *sc, struct fman_config *cfg) +{ + t_FmParams fm_params; + t_Handle muram_handle, fm_handle; + t_Error error; + t_FmRevisionInfo revision_info; + uint16_t clock; + uint32_t tmp, mod; + + /* MURAM configuration */ + muram_handle = FM_MURAM_ConfigAndInit(cfg->mem_base_addr + + FMAN_MURAM_OFF, FMAN_MURAM_SIZE); + if (muram_handle == NULL) { + device_printf(cfg->fman_device, "couldn't init FM MURAM module" + "\n"); + return (NULL); + } + sc->muram_handle = muram_handle; + + /* Fill in FM configuration */ + fm_params.fmId = cfg->fm_id; + /* XXX we support only one partition thus each fman has master id */ + fm_params.guestId = NCSW_MASTER_ID; + + fm_params.baseAddr = cfg->mem_base_addr; + fm_params.h_FmMuram = muram_handle; + + /* Get FMan clock in Hz */ + if ((tmp = fman_get_clock(sc)) == 0) + return (NULL); + + /* Convert FMan clock to MHz */ + clock = (uint16_t)(tmp / 1000000); + mod = tmp % 1000000; + + if (mod >= 500000) + ++clock; + + fm_params.fmClkFreq = clock; + fm_params.f_Exception = cfg->exception_callback; + fm_params.f_BusError = cfg->bus_error_callback; + fm_params.h_App = cfg->fman_device; + fm_params.irq = cfg->irq_num; + fm_params.errIrq = cfg->err_irq_num; + + fm_params.firmware.size = fman_firmware_size; + fm_params.firmware.p_Code = (uint32_t*)fman_firmware; + + fm_handle = FM_Config(&fm_params); + if (fm_handle == NULL) { + device_printf(cfg->fman_device, "couldn't configure FM " + "module\n"); + goto err; + } + + FM_ConfigResetOnInit(fm_handle, TRUE); + + error = FM_Init(fm_handle); + if (error != E_OK) { + device_printf(cfg->fman_device, "couldn't init FM module\n"); + goto err2; + } + + error = FM_GetRevision(fm_handle, &revision_info); + if (error != E_OK) { + device_printf(cfg->fman_device, "couldn't get FM revision\n"); + goto err2; + } + + device_printf(cfg->fman_device, "Hardware version: %d.%d.\n", + revision_info.majorRev, revision_info.minorRev); + + return (fm_handle); + +err2: + FM_Free(fm_handle); +err: + FM_MURAM_Free(muram_handle); + return (NULL); +} + +static void +fman_exception_callback(t_Handle app_handle, e_FmExceptions exception) +{ + struct fman_softc *sc; + + sc = app_handle; + device_printf(sc->dev, "FMan exception occurred.\n"); +} + +static void +fman_error_callback(t_Handle app_handle, e_FmPortType port_type, + uint8_t port_id, uint64_t addr, uint8_t tnum, uint16_t liodn) +{ + struct fman_softc *sc; + + sc = app_handle; + device_printf(sc->dev, "FMan error occurred.\n"); +} +/** @} */ + + +/** + * @group FMan driver interface. + * @{ + */ + +int +fman_get_handle(t_Handle *fmh) +{ + + if (fm_sc == NULL) + return (ENOMEM); + + *fmh = fm_sc->fm_handle; + + return (0); +} + +int +fman_get_muram_handle(t_Handle *muramh) +{ + + if (fm_sc == NULL) + return (ENOMEM); + + *muramh = fm_sc->muram_handle; + + return (0); +} + +int +fman_get_bushandle(vm_offset_t *fm_base) +{ + + if (fm_sc == NULL) + return (ENOMEM); + + *fm_base = rman_get_bushandle(fm_sc->mem_res); + + return (0); +} + +int +fman_attach(device_t dev) +{ + struct fman_softc *sc; + struct fman_config cfg; + + sc = device_get_softc(dev); + sc->dev = dev; + fm_sc = sc; + + /* Check if MallocSmart allocator is ready */ + if (XX_MallocSmartInit() != E_OK) { + device_printf(dev, "could not initialize smart allocator.\n"); + return (ENXIO); + } + + XX_TrackInit(); + + sc->mem_rid = 0; + sc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->mem_rid, + RF_ACTIVE); + if (!sc->mem_res) { + device_printf(dev, "could not allocate memory.\n"); + return (ENXIO); + } + + sc->irq_rid = 0; + sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid, + RF_ACTIVE); + if (!sc->irq_res) { + device_printf(dev, "could not allocate interrupt.\n"); + goto err; + } + + /* + * XXX: Fix FMan interrupt. This is workaround for the issue with + * interrupts directed to multiple CPUs by the interrupts subsystem. + * Workaround is to bind the interrupt to only one CPU0. + */ + XX_FmanFixIntr(rman_get_start(sc->irq_res)); + + sc->err_irq_rid = 1; + sc->err_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, + &sc->err_irq_rid, RF_ACTIVE | RF_SHAREABLE); + if (!sc->err_irq_res) { + device_printf(dev, "could not allocate error interrupt.\n"); + goto err; + } + + /* Set FMan configuration */ + cfg.fman_device = dev; + cfg.fm_id = device_get_unit(dev); + cfg.mem_base_addr = rman_get_bushandle(sc->mem_res); + cfg.irq_num = (int)sc->irq_res; + cfg.err_irq_num = (int)sc->err_irq_res; + cfg.exception_callback = fman_exception_callback; + cfg.bus_error_callback = fman_error_callback; + + sc->fm_handle = fman_init(sc, &cfg); + if (sc->fm_handle == NULL) { + device_printf(dev, "could not be configured\n"); + return (ENXIO); + } + + return (bus_generic_attach(dev)); + +err: + fman_detach(dev); + return (ENXIO); +} + +int +fman_detach(device_t dev) +{ + struct fman_softc *sc; + + sc = device_get_softc(dev); + + if (sc->muram_handle) { + FM_MURAM_Free(sc->muram_handle); + } + + if (sc->fm_handle) { + FM_Free(sc->fm_handle); + } + + if (sc->mem_res) { + bus_release_resource(dev, SYS_RES_MEMORY, sc->mem_rid, + sc->mem_res); + } + + if (sc->irq_res) { + bus_release_resource(dev, SYS_RES_IRQ, sc->irq_rid, + sc->irq_res); + } + + if (sc->irq_res) { + bus_release_resource(dev, SYS_RES_IRQ, sc->err_irq_rid, + sc->err_irq_res); + } + + return (0); +} + +int +fman_suspend(device_t dev) +{ + + return (0); +} + +int +fman_resume(device_t dev) +{ + + return (0); +} + +int +fman_shutdown(device_t dev) +{ + + return (0); +} + +/** @} */ |