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am3359_cppi41.c
(5.26 KB)
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am335x_dmtimer.c
(11.24 KB)
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am335x_dmtpps.c
(16.64 KB)
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am335x_dmtreg.h
(4.19 KB)
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am335x_ecap.c
(5.09 KB)
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am335x_ehrpwm.c
(19.2 KB)
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am335x_gpio.c
(4.34 KB)
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am335x_lcd.c
(28.66 KB)
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am335x_lcd.h
(2.04 KB)
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am335x_lcd_syscons.c
(17.89 KB)
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am335x_musb.c
(12.23 KB)
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am335x_pmic.c
(10.12 KB)
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am335x_pwm.h
(1.55 KB)
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am335x_pwmss.c
(4.72 KB)
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am335x_reg.h
(1.72 KB)
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am335x_rtc.c
(6.47 KB)
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am335x_rtcreg.h
(2.76 KB)
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am335x_rtcvar.h
(1.48 KB)
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am335x_scm.c
(5.33 KB)
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am335x_scm.h
(2.02 KB)
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am335x_scm_padconf.c
(26.15 KB)
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am335x_scm_padconf.h
(2.1 KB)
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am335x_usb_phy.c
(3.3 KB)
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files.am335x
(852 B)
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std.am335x
(144 B)
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tda19988.c
(22.65 KB)
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tps65217x.h
(3.39 KB)
Editing: am3359_cppi41.c
/*- * Copyright (c) 2019 Emmanuel Vadot <manu@FreeBSD.org> * * Copyright (c) 2020 Oskar Holmlund <oskar.holmlund@ohdata.se> * * 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 ``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 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. * * $FreeBSD$ */ /* Based on sys/arm/ti/ti_sysc.c */ #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/resource.h> #include <sys/rman.h> #include <sys/lock.h> #include <sys/mutex.h> #include <machine/bus.h> #include <machine/resource.h> #include <dev/fdt/simplebus.h> #include <dev/ofw/openfirm.h> #include <dev/ofw/ofw_bus.h> #include <dev/ofw/ofw_bus_subr.h> #include <arm/ti/ti_sysc.h> #if 0 #define DPRINTF(dev, msg...) device_printf(dev, msg) #else #define DPRINTF(dev, msg...) #endif struct ti_am3359_cppi41_softc { device_t dev; struct syscon * syscon; struct resource * res[4]; bus_space_tag_t bst; bus_space_handle_t bsh; struct mtx mtx; }; static struct resource_spec ti_am3359_cppi41_res_spec[] = { { SYS_RES_MEMORY, 0, RF_ACTIVE | RF_SHAREABLE }, { SYS_RES_MEMORY, 1, RF_ACTIVE | RF_SHAREABLE }, { SYS_RES_MEMORY, 2, RF_ACTIVE | RF_SHAREABLE }, { SYS_RES_MEMORY, 3, RF_ACTIVE | RF_SHAREABLE }, { -1, 0 } }; /* Device */ static struct ofw_compat_data compat_data[] = { { "ti,am3359-cppi41", 1 }, { NULL, 0 } }; static int ti_am3359_cppi41_write_4(device_t dev, bus_addr_t addr, uint32_t val) { struct ti_am3359_cppi41_softc *sc; sc = device_get_softc(dev); DPRINTF(sc->dev, "offset=%lx write %x\n", addr, val); mtx_lock(&sc->mtx); bus_space_write_4(sc->bst, sc->bsh, addr, val); mtx_unlock(&sc->mtx); return (0); } static uint32_t ti_am3359_cppi41_read_4(device_t dev, bus_addr_t addr) { struct ti_am3359_cppi41_softc *sc; uint32_t val; sc = device_get_softc(dev); mtx_lock(&sc->mtx); val = bus_space_read_4(sc->bst, sc->bsh, addr); mtx_unlock(&sc->mtx); DPRINTF(sc->dev, "offset=%lx Read %x\n", addr, val); return (val); } /* device interface */ static int ti_am3359_cppi41_probe(device_t dev) { if (!ofw_bus_status_okay(dev)) return (ENXIO); if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0) return (ENXIO); device_set_desc(dev, "TI AM3359 CPPI 41"); return(BUS_PROBE_DEFAULT); } static int ti_am3359_cppi41_attach(device_t dev) { struct ti_am3359_cppi41_softc *sc; phandle_t node; uint32_t reg, reset_bit, timeout=10; uint64_t sysc_address; device_t parent; sc = device_get_softc(dev); sc->dev = dev; if (bus_alloc_resources(dev, ti_am3359_cppi41_res_spec, sc->res)) { device_printf(sc->dev, "Cant allocate resources\n"); return (ENXIO); } sc->dev = dev; sc->bst = rman_get_bustag(sc->res[0]); sc->bsh = rman_get_bushandle(sc->res[0]); mtx_init(&sc->mtx, device_get_nameunit(sc->dev), NULL, MTX_DEF); node = ofw_bus_get_node(sc->dev); /* variant of am335x_usbss.c */ DPRINTF(dev, "-- RESET USB --\n"); parent = device_get_parent(dev); reset_bit = ti_sysc_get_soft_reset_bit(parent); if (reset_bit == 0) { DPRINTF(dev, "Dont have reset bit\n"); return (0); } sysc_address = ti_sysc_get_sysc_address_offset_host(parent); DPRINTF(dev, "sysc_address %x\n", sysc_address); ti_am3359_cppi41_write_4(dev, sysc_address, reset_bit); DELAY(100); reg = ti_am3359_cppi41_read_4(dev, sysc_address); if ((reg & reset_bit) && timeout--) { DPRINTF(dev, "Reset still ongoing - wait a little bit longer\n"); DELAY(100); reg = ti_am3359_cppi41_read_4(dev, sysc_address); } if (timeout == 0) device_printf(dev, "USB Reset timeout\n"); return (0); } static device_method_t ti_am3359_cppi41_methods[] = { DEVMETHOD(device_probe, ti_am3359_cppi41_probe), DEVMETHOD(device_attach, ti_am3359_cppi41_attach), DEVMETHOD_END }; DEFINE_CLASS_1(ti_am3359_cppi41, ti_am3359_cppi41_driver, ti_am3359_cppi41_methods,sizeof(struct ti_am3359_cppi41_softc), simplebus_driver); static devclass_t ti_am3359_cppi41_devclass; EARLY_DRIVER_MODULE(ti_am3359_cppi41, simplebus, ti_am3359_cppi41_driver, ti_am3359_cppi41_devclass, 0, 0, BUS_PASS_BUS + BUS_PASS_ORDER_MIDDLE); MODULE_VERSION(ti_am3359_cppi41, 1); MODULE_DEPEND(ti_am3359_cppi41, ti_sysc, 1, 1, 1);
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