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alpine_ccu.c
(3.52 KB)
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alpine_machdep.c
(4.17 KB)
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alpine_machdep_mp.c
(6.97 KB)
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alpine_mp.h
(1.52 KB)
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alpine_nb_service.c
(3.55 KB)
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alpine_pci.c
(4.48 KB)
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alpine_pci_msix.c
(10.67 KB)
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alpine_serdes.c
(5.37 KB)
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alpine_serdes.h
(2.22 KB)
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files.alpine
(193 B)
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std.alpine
(280 B)
Editing: alpine_machdep.c
/*- * Copyright (c) 2013 Ruslan Bukin <br@bsdpad.com> * Copyright (c) 2015 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 "opt_ddb.h" #include "opt_platform.h" #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); #include <sys/param.h> #include <sys/systm.h> #include <sys/bus.h> #include <sys/devmap.h> #include <vm/vm.h> #include <vm/pmap.h> #include <machine/bus.h> #include <machine/fdt.h> #include <machine/platformvar.h> #include <dev/fdt/fdt_common.h> #include <dev/ofw/openfirm.h> #include <arm/annapurna/alpine/alpine_mp.h> #include "platform_if.h" #define WDTLOAD 0x000 #define LOAD_MIN 0x00000001 #define LOAD_MAX 0xFFFFFFFF #define WDTVALUE 0x004 #define WDTCONTROL 0x008 /* control register masks */ #define INT_ENABLE (1 << 0) #define RESET_ENABLE (1 << 1) #define WDTLOCK 0xC00 #define UNLOCK 0x1ACCE551 #define LOCK 0x00000001 bus_addr_t al_devmap_pa; bus_addr_t al_devmap_size; static int alpine_get_devmap_base(bus_addr_t *pa, bus_addr_t *size) { phandle_t node; if ((node = OF_finddevice("/")) == -1) return (ENXIO); if ((node = fdt_find_compatible(node, "simple-bus", 1)) == 0) return (ENXIO); return fdt_get_range(node, 0, pa, size); } static int alpine_get_wdt_base(uint32_t *pbase, uint32_t *psize) { phandle_t node; u_long base = 0; u_long size = 0; if (pbase == NULL || psize == NULL) return (EINVAL); if ((node = OF_finddevice("/")) == -1) return (EFAULT); if ((node = fdt_find_compatible(node, "simple-bus", 1)) == 0) return (EFAULT); if ((node = fdt_find_compatible(node, "arm,sp805", 1)) == 0) return (EFAULT); if (fdt_regsize(node, &base, &size)) return (EFAULT); *pbase = base; *psize = size; return (0); } /* * Construct devmap table with DT-derived config data. */ static int alpine_devmap_init(platform_t plat) { alpine_get_devmap_base(&al_devmap_pa, &al_devmap_size); devmap_add_entry(al_devmap_pa, al_devmap_size); return (0); } static void alpine_cpu_reset(platform_t plat) { uint32_t wdbase, wdsize; bus_addr_t wdbaddr; int ret; ret = alpine_get_wdt_base(&wdbase, &wdsize); if (ret) { printf("Unable to get WDT base, do power down manually..."); goto infinite; } ret = bus_space_map(fdtbus_bs_tag, al_devmap_pa + wdbase, wdsize, 0, &wdbaddr); if (ret) { printf("Unable to map WDT base, do power down manually..."); goto infinite; } bus_space_write_4(fdtbus_bs_tag, wdbaddr, WDTLOCK, UNLOCK); bus_space_write_4(fdtbus_bs_tag, wdbaddr, WDTLOAD, LOAD_MIN); bus_space_write_4(fdtbus_bs_tag, wdbaddr, WDTCONTROL, INT_ENABLE | RESET_ENABLE); infinite: while (1) {} } static platform_method_t alpine_methods[] = { PLATFORMMETHOD(platform_devmap_init, alpine_devmap_init), PLATFORMMETHOD(platform_cpu_reset, alpine_cpu_reset), #ifdef SMP PLATFORMMETHOD(platform_mp_start_ap, alpine_mp_start_ap), PLATFORMMETHOD(platform_mp_setmaxid, alpine_mp_setmaxid), #endif PLATFORMMETHOD_END, }; FDT_PLATFORM_DEF(alpine, "alpine", 0, "annapurna,alpine", 200);
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