Add the start of the ARM platform code. This is based on the PowerPC
platform code, it is expected these will be merged in the future when the ARM code is more complete. Until more boards can be tested only use this with the Raspberry Pi and rrename the functions on the other SoCs. Reviewed by: ian@
This commit is contained in:
Andrew Turner
parent
0aec73f349
commit
27521ff8e4
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=266301
@ -45,30 +45,31 @@ __FBSDID("$FreeBSD$");
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#include <machine/bus.h>
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#include <machine/devmap.h>
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#include <machine/machdep.h>
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#include <machine/platform.h>
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#include <dev/fdt/fdt_common.h>
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#include <arm/allwinner/a10_wdog.h>
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vm_offset_t
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initarm_lastaddr(void)
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platform_lastaddr(void)
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{
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return (arm_devmap_lastaddr());
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}
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void
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initarm_early_init(void)
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platform_probe_and_attach(void)
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{
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}
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void
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initarm_gpio_init(void)
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platform_gpio_init(void)
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{
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}
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void
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initarm_late_init(void)
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platform_late_init(void)
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{
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}
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@ -83,7 +84,7 @@ initarm_late_init(void)
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* perhaps a 1MB block would be more appropriate.
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*/
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int
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initarm_devmap_init(void)
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platform_devmap_init(void)
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{
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arm_devmap_add_entry(0x01C00000, 0x00400000); /* 4MB */
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@ -98,6 +98,7 @@ __FBSDID("$FreeBSD$");
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#include <machine/metadata.h>
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#include <machine/pcb.h>
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#include <machine/physmem.h>
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#include <machine/platform.h>
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#include <machine/reg.h>
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#include <machine/trap.h>
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#include <machine/undefined.h>
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@ -1091,7 +1092,7 @@ initarm(struct arm_boot_params *abp)
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EXFLAG_NODUMP | EXFLAG_NOALLOC);
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/* Platform-specific initialisation */
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initarm_early_init();
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platform_probe_and_attach();
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pcpu0_init();
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@ -1207,9 +1208,9 @@ initarm(struct arm_boot_params *abp)
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VM_PROT_READ|VM_PROT_WRITE|VM_PROT_EXECUTE, PTE_CACHE);
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/* Establish static device mappings. */
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err_devmap = initarm_devmap_init();
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err_devmap = platform_devmap_init();
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arm_devmap_bootstrap(l1pagetable, NULL);
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vm_max_kernel_address = initarm_lastaddr();
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vm_max_kernel_address = platform_lastaddr();
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cpu_domains((DOMAIN_CLIENT << (PMAP_DOMAIN_KERNEL * 2)) | DOMAIN_CLIENT);
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pmap_pa = kernel_l1pt.pv_pa;
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@ -1229,7 +1230,7 @@ initarm(struct arm_boot_params *abp)
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*/
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OF_interpret("perform-fixup", 0);
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initarm_gpio_init();
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platform_gpio_init();
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cninit();
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@ -1247,7 +1248,7 @@ initarm(struct arm_boot_params *abp)
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printf("WARNING: could not fully configure devmap, error=%d\n",
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err_devmap);
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initarm_late_init();
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platform_late_init();
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/*
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* Pages were allocated during the secondary bootstrap for the
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179
sys/arm/arm/platform.c
Normal file
179
sys/arm/arm/platform.c
Normal file
@ -0,0 +1,179 @@
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/*-
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* Copyright (c) 2005 Peter Grehan
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* Copyright (c) 2009 Nathan Whitehorn
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* Dispatch platform calls to the appropriate platform implementation
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* through a previously registered kernel object.
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*/
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#define _ARM32_BUS_DMA_PRIVATE
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#include <sys/param.h>
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#include <sys/bus.h>
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#include <sys/kernel.h>
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#include <sys/lock.h>
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#include <sys/ktr.h>
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#include <sys/mutex.h>
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#include <sys/rman.h>
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#include <sys/systm.h>
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#include <sys/smp.h>
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#include <sys/sysctl.h>
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#include <sys/types.h>
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#include <vm/vm.h>
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#include <vm/vm_page.h>
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#include <machine/bus_dma.h>
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#include <machine/cpu.h>
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#include <machine/intr.h>
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#include <machine/md_var.h>
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#include <machine/platform.h>
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#include <machine/platformvar.h>
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#include <machine/smp.h>
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#include "platform_if.h"
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static platform_def_t *plat_def_impl;
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static platform_t plat_obj;
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static struct kobj_ops plat_kernel_kops;
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static struct platform_kobj plat_kernel_obj;
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static char plat_name[64] = "";
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SYSCTL_STRING(_hw, OID_AUTO, platform, CTLFLAG_RDTUN, plat_name, 0,
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"Platform currently in use");
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/*
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* Platform install routines. Highest priority wins, using the same
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* algorithm as bus attachment.
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*/
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SET_DECLARE(platform_set, platform_def_t);
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void
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platform_probe_and_attach(void)
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{
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platform_def_t **platpp, *platp;
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int prio, best_prio;
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plat_obj = &plat_kernel_obj;
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best_prio = 0;
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/*
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* We are unable to use TUNABLE_STR as the read will happen
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* well after this function has returned.
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*/
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TUNABLE_STR_FETCH("hw.platform", plat_name, sizeof(plat_name));
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/*
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* Try to locate the best platform kobj
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*/
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SET_FOREACH(platpp, platform_set) {
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platp = *platpp;
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/*
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* Take care of compiling the selected class, and
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* then statically initialise the MMU object
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*/
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kobj_class_compile_static(platp, &plat_kernel_kops);
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kobj_init_static((kobj_t)plat_obj, platp);
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plat_obj->cls = platp;
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prio = PLATFORM_PROBE(plat_obj);
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/* Check for errors */
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if (prio > 0)
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continue;
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/*
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* Check if this module was specifically requested through
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* the loader tunable we provide.
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*/
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if (strcmp(platp->name,plat_name) == 0) {
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plat_def_impl = platp;
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break;
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}
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/* Otherwise, see if it is better than our current best */
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if (plat_def_impl == NULL || prio > best_prio) {
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best_prio = prio;
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plat_def_impl = platp;
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}
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/*
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* We can't free the KOBJ, since it is static. Reset the ops
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* member of this class so that we can come back later.
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*/
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platp->ops = NULL;
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}
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if (plat_def_impl == NULL)
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panic("No platform module found!");
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/*
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* Recompile to make sure we ended with the
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* correct one, and then attach.
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*/
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kobj_class_compile_static(plat_def_impl, &plat_kernel_kops);
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kobj_init_static((kobj_t)plat_obj, plat_def_impl);
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strlcpy(plat_name,plat_def_impl->name,sizeof(plat_name));
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PLATFORM_ATTACH(plat_obj);
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}
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int
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platform_devmap_init(void)
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{
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return PLATFORM_DEVMAP_INIT(plat_obj);
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}
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vm_offset_t
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platform_lastaddr(void)
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{
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return PLATFORM_LASTADDR(plat_obj);
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}
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void
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platform_gpio_init(void)
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{
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PLATFORM_GPIO_INIT(plat_obj);
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}
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void
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platform_late_init(void)
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{
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PLATFORM_LATE_INIT(plat_obj);
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}
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116
sys/arm/arm/platform_if.m
Normal file
116
sys/arm/arm/platform_if.m
Normal file
@ -0,0 +1,116 @@
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#-
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# Copyright (c) 2009 Nathan Whitehorn
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $FreeBSD$
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#
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#include <sys/param.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/systm.h>
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#include <sys/smp.h>
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#include <machine/machdep.h>
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#include <machine/platform.h>
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#include <machine/platformvar.h>
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#include <machine/smp.h>
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#include <machine/vmparam.h>
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/**
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* @defgroup PLATFORM platform - KObj methods for ARM platform
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* implementations
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* @brief A set of methods required by all platform implementations.
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* These are used to bring up secondary CPUs, supply the physical memory
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* map, etc.
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*@{
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*/
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INTERFACE platform;
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#
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# Default implementations
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#
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CODE {
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static void platform_null_attach(platform_t plat)
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{
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return;
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}
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};
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/**
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* @brief Probe for whether we are on this platform, returning the standard
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* newbus probe codes. If we have Open Firmware or a flattened device tree,
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* it is guaranteed to be available at this point.
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*/
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METHOD int probe {
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platform_t _plat;
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};
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/**
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* @brief Attach this platform module. This happens before the MMU is online,
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* so the platform module can install its own high-priority MMU module at
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* this point.
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*/
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METHOD int attach {
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platform_t _plat;
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} DEFAULT platform_null_attach;
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/**
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* @brief Called as one of the last steps of early virtual memory
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* initialization, shortly before the new page tables are installed.
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*/
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METHOD int devmap_init {
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platform_t _plat;
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};
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/**
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* @brief Called after devmap_init(), and must return the address of the
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* first byte of unusable KVA space. This allows a platform to carve out
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* of the top of the KVA space whatever reserves it needs for things like
|
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* static device mapping, and this is called to get the value before
|
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* calling pmap_bootstrap() which uses the value to size the available KVA.
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*/
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METHOD vm_offset_t lastaddr {
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platform_t _plat;
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};
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/**
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* @brief Called after the static device mappings are established and just
|
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* before cninit(). The intention is that the routine can do any hardware
|
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* setup (such as gpio or pinmux) necessary to make the console functional.
|
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*/
|
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METHOD void gpio_init {
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platform_t _plat;
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};
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/**
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* @brief Called just after cninit(). This is the first of the init
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* routines that can use printf() and expect the output to appear on
|
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* a standard console.
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*/
|
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METHOD void late_init {
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platform_t _plat;
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};
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@ -54,31 +54,24 @@ __FBSDID("$FreeBSD$");
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#include <machine/bus.h>
|
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#include <machine/devmap.h>
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#include <machine/machdep.h>
|
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#include <machine/platform.h>
|
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#include <machine/platformvar.h>
|
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|
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#include <dev/fdt/fdt_common.h>
|
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|
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#include <arm/broadcom/bcm2835/bcm2835_wdog.h>
|
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|
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vm_offset_t
|
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initarm_lastaddr(void)
|
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#include "platform_if.h"
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|
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static vm_offset_t
|
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bcm2835_lastaddr(platform_t plat)
|
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{
|
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|
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return (arm_devmap_lastaddr());
|
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}
|
||||
|
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void
|
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initarm_early_init(void)
|
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{
|
||||
|
||||
}
|
||||
|
||||
void
|
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initarm_gpio_init(void)
|
||||
{
|
||||
}
|
||||
|
||||
void
|
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initarm_late_init(void)
|
||||
static void
|
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bcm2835_late_init(platform_t plat)
|
||||
{
|
||||
phandle_t system;
|
||||
pcell_t cells[2];
|
||||
@ -101,8 +94,8 @@ initarm_late_init(void)
|
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* All on-chip peripherals exist in a 16MB range starting at 0x20000000.
|
||||
* Map the entire range using 1MB section mappings.
|
||||
*/
|
||||
int
|
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initarm_devmap_init(void)
|
||||
static int
|
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bcm2835_devmap_init(platform_t plat)
|
||||
{
|
||||
|
||||
arm_devmap_add_entry(0x20000000, 0x01000000);
|
||||
@ -129,4 +122,13 @@ cpu_reset()
|
||||
bcmwd_watchdog_reset();
|
||||
while (1);
|
||||
}
|
||||
static platform_method_t bcm2835_methods[] = {
|
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PLATFORMMETHOD(platform_devmap_init, bcm2835_devmap_init),
|
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PLATFORMMETHOD(platform_lastaddr, bcm2835_lastaddr),
|
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PLATFORMMETHOD(platform_late_init, bcm2835_late_init),
|
||||
|
||||
PLATFORMMETHOD_END,
|
||||
};
|
||||
|
||||
FDT_PLATFORM_DEF(bcm2835, "bcm2835", 0, "raspberrypi,model-b");
|
||||
|
||||
|
||||
@ -59,6 +59,7 @@ options KBD_INSTALL_CDEV # install a CDEV entry in /dev
|
||||
#options ROOTDEVNAME=\"ufs:mmcsd0s2\"
|
||||
|
||||
options PREEMPTION
|
||||
options PLATFORM
|
||||
|
||||
device bpf
|
||||
device loop
|
||||
|
||||
@ -39,18 +39,19 @@ __FBSDID("$FreeBSD$");
|
||||
#include <machine/bus.h>
|
||||
#include <machine/devmap.h>
|
||||
#include <machine/machdep.h>
|
||||
#include <machine/platform.h>
|
||||
|
||||
#include <arm/freescale/imx/imx_machdep.h>
|
||||
|
||||
vm_offset_t
|
||||
initarm_lastaddr(void)
|
||||
platform_lastaddr(void)
|
||||
{
|
||||
|
||||
return (arm_devmap_lastaddr());
|
||||
}
|
||||
|
||||
void
|
||||
initarm_early_init(void)
|
||||
platform_probe_and_attach(void)
|
||||
{
|
||||
|
||||
/* XXX - Get rid of this stuff soon. */
|
||||
@ -59,13 +60,13 @@ initarm_early_init(void)
|
||||
}
|
||||
|
||||
void
|
||||
initarm_gpio_init(void)
|
||||
platform_gpio_init(void)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
void
|
||||
initarm_late_init(void)
|
||||
platform_late_init(void)
|
||||
{
|
||||
|
||||
}
|
||||
@ -78,7 +79,7 @@ initarm_late_init(void)
|
||||
* Notably missing are entries for GPU, IPU, in general anything video related.
|
||||
*/
|
||||
int
|
||||
initarm_devmap_init(void)
|
||||
platform_devmap_init(void)
|
||||
{
|
||||
|
||||
arm_devmap_add_entry(0x70000000, 0x00100000);
|
||||
|
||||
@ -39,17 +39,19 @@ __FBSDID("$FreeBSD$");
|
||||
#include <machine/bus.h>
|
||||
#include <machine/devmap.h>
|
||||
#include <machine/machdep.h>
|
||||
#include <machine/platform.h>
|
||||
|
||||
#include <arm/freescale/imx/imx_machdep.h>
|
||||
|
||||
vm_offset_t
|
||||
initarm_lastaddr(void)
|
||||
platform_lastaddr(void)
|
||||
{
|
||||
|
||||
return (arm_devmap_lastaddr());
|
||||
}
|
||||
|
||||
void
|
||||
initarm_early_init(void)
|
||||
platform_probe_and_attach(void)
|
||||
{
|
||||
|
||||
/* XXX - Get rid of this stuff soon. */
|
||||
@ -58,13 +60,13 @@ initarm_early_init(void)
|
||||
}
|
||||
|
||||
void
|
||||
initarm_gpio_init(void)
|
||||
platform_gpio_init(void)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
void
|
||||
initarm_late_init(void)
|
||||
platform_late_init(void)
|
||||
{
|
||||
|
||||
}
|
||||
@ -77,7 +79,7 @@ initarm_late_init(void)
|
||||
* Notably missing are entries for GPU, IPU, in general anything video related.
|
||||
*/
|
||||
int
|
||||
initarm_devmap_init(void)
|
||||
platform_devmap_init(void)
|
||||
{
|
||||
|
||||
arm_devmap_add_entry(0x50000000, 0x00100000);
|
||||
|
||||
@ -39,6 +39,7 @@ __FBSDID("$FreeBSD$");
|
||||
#include <machine/bus.h>
|
||||
#include <machine/devmap.h>
|
||||
#include <machine/machdep.h>
|
||||
#include <machine/platform.h>
|
||||
|
||||
#include <arm/arm/mpcore_timervar.h>
|
||||
#include <arm/freescale/imx/imx6_anatopreg.h>
|
||||
@ -46,14 +47,14 @@ __FBSDID("$FreeBSD$");
|
||||
#include <arm/freescale/imx/imx_machdep.h>
|
||||
|
||||
vm_offset_t
|
||||
initarm_lastaddr(void)
|
||||
platform_lastaddr(void)
|
||||
{
|
||||
|
||||
return (arm_devmap_lastaddr());
|
||||
}
|
||||
|
||||
void
|
||||
initarm_early_init(void)
|
||||
platform_probe_and_attach(void)
|
||||
{
|
||||
|
||||
/* Inform the MPCore timer driver that its clock is variable. */
|
||||
@ -61,13 +62,13 @@ initarm_early_init(void)
|
||||
}
|
||||
|
||||
void
|
||||
initarm_gpio_init(void)
|
||||
platform_gpio_init(void)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
void
|
||||
initarm_late_init(void)
|
||||
platform_late_init(void)
|
||||
{
|
||||
|
||||
}
|
||||
@ -89,7 +90,7 @@ initarm_late_init(void)
|
||||
* as OCRAM that probably shouldn't be mapped as PTE_DEVICE memory.
|
||||
*/
|
||||
int
|
||||
initarm_devmap_init(void)
|
||||
platform_devmap_init(void)
|
||||
{
|
||||
const uint32_t IMX6_ARMMP_PHYS = 0x00a00000;
|
||||
const uint32_t IMX6_ARMMP_SIZE = 0x00100000;
|
||||
|
||||
@ -41,36 +41,37 @@ __FBSDID("$FreeBSD$");
|
||||
#include <machine/bus.h>
|
||||
#include <machine/devmap.h>
|
||||
#include <machine/machdep.h>
|
||||
#include <machine/platform.h>
|
||||
|
||||
#include <dev/fdt/fdt_common.h>
|
||||
|
||||
vm_offset_t
|
||||
initarm_lastaddr(void)
|
||||
platform_lastaddr(void)
|
||||
{
|
||||
|
||||
return (arm_devmap_lastaddr());
|
||||
}
|
||||
|
||||
void
|
||||
initarm_early_init(void)
|
||||
platform_probe_and_attach(void)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
void
|
||||
initarm_gpio_init(void)
|
||||
platform_gpio_init(void)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
void
|
||||
initarm_late_init(void)
|
||||
platform_late_init(void)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
int
|
||||
initarm_devmap_init(void)
|
||||
platform_devmap_init(void)
|
||||
{
|
||||
|
||||
arm_devmap_add_entry(0x40000000, 0x100000);
|
||||
|
||||
@ -34,40 +34,6 @@ vm_offset_t fake_preload_metadata(struct arm_boot_params *abp);
|
||||
vm_offset_t parse_boot_param(struct arm_boot_params *abp);
|
||||
void arm_generic_initclocks(void);
|
||||
|
||||
/*
|
||||
* Initialization functions called by the common initarm() function in
|
||||
* arm/machdep.c (but not necessarily from the custom initarm() functions of
|
||||
* older code).
|
||||
*
|
||||
* - initarm_early_init() is called very early, after parsing the boot params
|
||||
* and after physical memory has been located and sized.
|
||||
*
|
||||
* - initarm_devmap_init() is called as one of the last steps of early virtual
|
||||
* memory initialization, shortly before the new page tables are installed.
|
||||
*
|
||||
* - initarm_lastaddr() is called after initarm_devmap_init(), and must return
|
||||
* the address of the first byte of unusable KVA space. This allows a
|
||||
* platform to carve out of the top of the KVA space whatever reserves it
|
||||
* needs for things like static device mapping, and this is called to get the
|
||||
* value before calling pmap_bootstrap() which uses the value to size the
|
||||
* available KVA.
|
||||
*
|
||||
* - initarm_gpio_init() is called after the static device mappings are
|
||||
* established and just before cninit(). The intention is that the routine
|
||||
* can do any hardware setup (such as gpio or pinmux) necessary to make the
|
||||
* console functional.
|
||||
*
|
||||
* - initarm_late_init() is called just after cninit(). This is the first of
|
||||
* the init routines that can use printf() and expect the output to appear on
|
||||
* a standard console.
|
||||
*
|
||||
*/
|
||||
void initarm_early_init(void);
|
||||
int initarm_devmap_init(void);
|
||||
vm_offset_t initarm_lastaddr(void);
|
||||
void initarm_gpio_init(void);
|
||||
void initarm_late_init(void);
|
||||
|
||||
/* Board-specific attributes */
|
||||
void board_set_serial(uint64_t);
|
||||
void board_set_revision(uint32_t);
|
||||
|
||||
38
sys/arm/include/platform.h
Normal file
38
sys/arm/include/platform.h
Normal file
@ -0,0 +1,38 @@
|
||||
/*-
|
||||
* Copyright (c) 2014 Andrew Turner
|
||||
* 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.
|
||||
*
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
#ifndef _MACHINE_PLATFORM_H_
|
||||
#define _MACHINE_PLATFORM_H_
|
||||
|
||||
void platform_probe_and_attach(void);
|
||||
int platform_devmap_init(void);
|
||||
vm_offset_t platform_lastaddr(void);
|
||||
void platform_gpio_init(void);
|
||||
void platform_late_init(void);
|
||||
|
||||
#endif /* _MACHINE_PLATFORM_H_ */
|
||||
104
sys/arm/include/platformvar.h
Normal file
104
sys/arm/include/platformvar.h
Normal file
@ -0,0 +1,104 @@
|
||||
/*-
|
||||
* Copyright (c) 2005 Peter Grehan
|
||||
* 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.
|
||||
*
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
#ifndef _MACHINE_PLATFORMVAR_H_
|
||||
#define _MACHINE_PLATFORMVAR_H_
|
||||
|
||||
/*
|
||||
* An ARM platform implementation is declared with a kernel object and
|
||||
* an associated method table, similar to a device driver.
|
||||
*
|
||||
* e.g.
|
||||
*
|
||||
* static platform_method_t bcm2835_methods[] = {
|
||||
* PLATFORMMETHOD(platform_probe, bcm2835_probe),
|
||||
* ...
|
||||
* PLATFORMMETHOD_END
|
||||
* };
|
||||
*
|
||||
* static platform_def_t bcm3835_platform = {
|
||||
* "bcm2835",
|
||||
* bcm2835_methods,
|
||||
* sizeof(bcm2835_platform_softc), // or 0 if no softc
|
||||
* };
|
||||
*
|
||||
* PLATFORM_DEF(bcm2835_platform);
|
||||
*/
|
||||
|
||||
#include <sys/kobj.h>
|
||||
#include <sys/linker_set.h>
|
||||
|
||||
struct platform_kobj {
|
||||
/*
|
||||
* A platform instance is a kernel object
|
||||
*/
|
||||
KOBJ_FIELDS;
|
||||
|
||||
/* Platform class, for access to class specific data */
|
||||
struct kobj_class *cls;
|
||||
};
|
||||
|
||||
typedef struct platform_kobj *platform_t;
|
||||
typedef struct kobj_class platform_def_t;
|
||||
#define platform_method_t kobj_method_t
|
||||
|
||||
#define PLATFORMMETHOD KOBJMETHOD
|
||||
#define PLATFORMMETHOD_END KOBJMETHOD_END
|
||||
|
||||
#define PLATFORM_DEF(name) DATA_SET(platform_set, name)
|
||||
|
||||
#ifdef FDT
|
||||
struct fdt_platform_class {
|
||||
KOBJ_CLASS_FIELDS;
|
||||
|
||||
const char *fdt_compatible;
|
||||
};
|
||||
|
||||
typedef struct fdt_platform_class fdt_platform_def_t;
|
||||
|
||||
extern platform_method_t fdt_platform_methods[];
|
||||
|
||||
#define FDT_PLATFORM_DEF(NAME, NAME_STR, size, compatible) \
|
||||
static fdt_platform_def_t NAME ## _fdt_platform = { \
|
||||
.name = NAME_STR, \
|
||||
.methods = fdt_platform_methods, \
|
||||
.fdt_compatible = compatible, \
|
||||
}; \
|
||||
static kobj_class_t NAME ## _baseclasses[] = \
|
||||
{ (kobj_class_t)&NAME ## _fdt_platform, NULL }; \
|
||||
static platform_def_t NAME ## _platform = { \
|
||||
NAME_STR, \
|
||||
NAME ## _methods, \
|
||||
size, \
|
||||
NAME ## _baseclasses, \
|
||||
}; \
|
||||
DATA_SET(platform_set, NAME ## _platform)
|
||||
|
||||
#endif
|
||||
|
||||
#endif /* _MACHINE_PLATFORMVAR_H_ */
|
||||
@ -53,6 +53,7 @@ __FBSDID("$FreeBSD$");
|
||||
#include <machine/fdt.h>
|
||||
#include <machine/devmap.h>
|
||||
#include <machine/machdep.h>
|
||||
#include <machine/platform.h>
|
||||
|
||||
#include <arm/lpc/lpcreg.h>
|
||||
#include <arm/lpc/lpcvar.h>
|
||||
@ -60,19 +61,19 @@ __FBSDID("$FreeBSD$");
|
||||
#include <dev/fdt/fdt_common.h>
|
||||
|
||||
vm_offset_t
|
||||
initarm_lastaddr(void)
|
||||
platform_lastaddr(void)
|
||||
{
|
||||
|
||||
return (arm_devmap_lastaddr());
|
||||
}
|
||||
|
||||
void
|
||||
initarm_early_init(void)
|
||||
platform_probe_and_attach(void)
|
||||
{
|
||||
}
|
||||
|
||||
void
|
||||
initarm_gpio_init(void)
|
||||
platform_gpio_init(void)
|
||||
{
|
||||
|
||||
/*
|
||||
@ -82,7 +83,7 @@ initarm_gpio_init(void)
|
||||
}
|
||||
|
||||
void
|
||||
initarm_late_init(void)
|
||||
platform_late_init(void)
|
||||
{
|
||||
}
|
||||
|
||||
@ -92,7 +93,7 @@ initarm_late_init(void)
|
||||
* dts file when this code was converted to arm_devmap_add_entry().
|
||||
*/
|
||||
int
|
||||
initarm_devmap_init(void)
|
||||
platform_devmap_init(void)
|
||||
{
|
||||
|
||||
arm_devmap_add_entry(LPC_DEV_PHYS_BASE, LPC_DEV_SIZE);
|
||||
|
||||
@ -53,6 +53,7 @@ __FBSDID("$FreeBSD$");
|
||||
#include <machine/devmap.h>
|
||||
#include <machine/fdt.h>
|
||||
#include <machine/machdep.h>
|
||||
#include <machine/platform.h>
|
||||
|
||||
#include <arm/mv/mvreg.h> /* XXX */
|
||||
#include <arm/mv/mvvar.h> /* XXX eventually this should be eliminated */
|
||||
@ -201,14 +202,14 @@ platform_mpp_init(void)
|
||||
}
|
||||
|
||||
vm_offset_t
|
||||
initarm_lastaddr(void)
|
||||
platform_lastaddr(void)
|
||||
{
|
||||
|
||||
return (fdt_immr_va);
|
||||
}
|
||||
|
||||
void
|
||||
initarm_early_init(void)
|
||||
platform_probe_and_attach(void)
|
||||
{
|
||||
|
||||
if (fdt_immr_addr(MV_BASE) != 0)
|
||||
@ -216,7 +217,7 @@ initarm_early_init(void)
|
||||
}
|
||||
|
||||
void
|
||||
initarm_gpio_init(void)
|
||||
platform_gpio_init(void)
|
||||
{
|
||||
|
||||
/*
|
||||
@ -228,7 +229,7 @@ initarm_gpio_init(void)
|
||||
}
|
||||
|
||||
void
|
||||
initarm_late_init(void)
|
||||
platform_late_init(void)
|
||||
{
|
||||
/*
|
||||
* Re-initialise decode windows
|
||||
@ -297,7 +298,7 @@ platform_sram_devmap(struct arm_devmap_entry *map)
|
||||
* Supply a default do-nothing implementation of mv_pci_devmap() via a weak
|
||||
* alias. Many Marvell platforms don't support a PCI interface, but to support
|
||||
* those that do, we end up with a reference to this function below, in
|
||||
* initarm_devmap_init(). If "device pci" appears in the kernel config, the
|
||||
* platform_devmap_init(). If "device pci" appears in the kernel config, the
|
||||
* real implementation of this function in arm/mv/mv_pci.c overrides the weak
|
||||
* alias defined here.
|
||||
*/
|
||||
@ -321,7 +322,7 @@ __weak_reference(mv_default_fdt_pci_devmap, mv_pci_devmap);
|
||||
* Construct pmap_devmap[] with DT-derived config data.
|
||||
*/
|
||||
int
|
||||
initarm_devmap_init(void)
|
||||
platform_devmap_init(void)
|
||||
{
|
||||
phandle_t root, child;
|
||||
pcell_t bank_count;
|
||||
|
||||
@ -46,31 +46,32 @@ __FBSDID("$FreeBSD$");
|
||||
#include <machine/bus.h>
|
||||
#include <machine/devmap.h>
|
||||
#include <machine/machdep.h>
|
||||
#include <machine/platform.h>
|
||||
|
||||
#include <dev/fdt/fdt_common.h>
|
||||
|
||||
#include <arm/rockchip/rk30xx_wdog.h>
|
||||
|
||||
vm_offset_t
|
||||
initarm_lastaddr(void)
|
||||
platform_lastaddr(void)
|
||||
{
|
||||
|
||||
return (arm_devmap_lastaddr());
|
||||
}
|
||||
|
||||
void
|
||||
initarm_early_init(void)
|
||||
platform_probe_and_attach(void)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
void
|
||||
initarm_gpio_init(void)
|
||||
platform_gpio_init(void)
|
||||
{
|
||||
}
|
||||
|
||||
void
|
||||
initarm_late_init(void)
|
||||
platform_late_init(void)
|
||||
{
|
||||
|
||||
/* Enable cache */
|
||||
@ -82,7 +83,7 @@ initarm_late_init(void)
|
||||
* Set up static device mappings.
|
||||
*/
|
||||
int
|
||||
initarm_devmap_init(void)
|
||||
platform_devmap_init(void)
|
||||
{
|
||||
|
||||
arm_devmap_add_entry(0x10000000, 0x00200000);
|
||||
|
||||
@ -41,36 +41,37 @@ __FBSDID("$FreeBSD$");
|
||||
#include <machine/bus.h>
|
||||
#include <machine/devmap.h>
|
||||
#include <machine/machdep.h>
|
||||
#include <machine/platform.h>
|
||||
|
||||
#include <dev/fdt/fdt_common.h>
|
||||
|
||||
vm_offset_t
|
||||
initarm_lastaddr(void)
|
||||
platform_lastaddr(void)
|
||||
{
|
||||
|
||||
return (arm_devmap_lastaddr());
|
||||
}
|
||||
|
||||
void
|
||||
initarm_early_init(void)
|
||||
platform_probe_and_attach(void)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
void
|
||||
initarm_gpio_init(void)
|
||||
platform_gpio_init(void)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
void
|
||||
initarm_late_init(void)
|
||||
platform_late_init(void)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
int
|
||||
initarm_devmap_init(void)
|
||||
platform_devmap_init(void)
|
||||
{
|
||||
|
||||
/* UART */
|
||||
|
||||
@ -47,6 +47,7 @@ __FBSDID("$FreeBSD$");
|
||||
#include <machine/bus.h>
|
||||
#include <machine/devmap.h>
|
||||
#include <machine/machdep.h>
|
||||
#include <machine/platform.h>
|
||||
|
||||
#include <dev/fdt/fdt_common.h>
|
||||
|
||||
@ -99,24 +100,24 @@ tegra2_osc_freq_detect(void)
|
||||
#endif
|
||||
|
||||
vm_offset_t
|
||||
initarm_lastaddr(void)
|
||||
platform_lastaddr(void)
|
||||
{
|
||||
|
||||
return (arm_devmap_lastaddr());
|
||||
}
|
||||
|
||||
void
|
||||
initarm_early_init(void)
|
||||
platform_probe_and_attach(void)
|
||||
{
|
||||
}
|
||||
|
||||
void
|
||||
initarm_gpio_init(void)
|
||||
platform_gpio_init(void)
|
||||
{
|
||||
}
|
||||
|
||||
void
|
||||
initarm_late_init(void)
|
||||
platform_late_init(void)
|
||||
{
|
||||
}
|
||||
|
||||
@ -126,7 +127,7 @@ initarm_late_init(void)
|
||||
* before conversion to the newer arm_devmap_add_entry() routine.
|
||||
*/
|
||||
int
|
||||
initarm_devmap_init(void)
|
||||
platform_devmap_init(void)
|
||||
{
|
||||
|
||||
arm_devmap_add_entry(0x70000000, 0x00100000);
|
||||
|
||||
@ -51,30 +51,31 @@ __FBSDID("$FreeBSD$");
|
||||
#include <machine/bus.h>
|
||||
#include <machine/devmap.h>
|
||||
#include <machine/machdep.h>
|
||||
#include <machine/platform.h>
|
||||
|
||||
#include <arm/ti/omap4/omap4_reg.h>
|
||||
|
||||
void (*ti_cpu_reset)(void) = NULL;
|
||||
|
||||
vm_offset_t
|
||||
initarm_lastaddr(void)
|
||||
platform_lastaddr(void)
|
||||
{
|
||||
|
||||
return (arm_devmap_lastaddr());
|
||||
}
|
||||
|
||||
void
|
||||
initarm_early_init(void)
|
||||
platform_probe_and_attach(void)
|
||||
{
|
||||
}
|
||||
|
||||
void
|
||||
initarm_gpio_init(void)
|
||||
platform_gpio_init(void)
|
||||
{
|
||||
}
|
||||
|
||||
void
|
||||
initarm_late_init(void)
|
||||
platform_late_init(void)
|
||||
{
|
||||
}
|
||||
|
||||
@ -83,7 +84,7 @@ initarm_late_init(void)
|
||||
* peripherals using 1mb section mappings.
|
||||
*/
|
||||
int
|
||||
initarm_devmap_init(void)
|
||||
platform_devmap_init(void)
|
||||
{
|
||||
#if defined(SOC_OMAP4)
|
||||
arm_devmap_add_entry(0x48000000, 0x01000000); /*16mb L4_PER devices */
|
||||
|
||||
@ -51,6 +51,7 @@ __FBSDID("$FreeBSD$");
|
||||
#include <machine/bus.h>
|
||||
#include <machine/devmap.h>
|
||||
#include <machine/machdep.h>
|
||||
#include <machine/platform.h>
|
||||
|
||||
#include <dev/fdt/fdt_common.h>
|
||||
|
||||
@ -58,25 +59,25 @@ __FBSDID("$FreeBSD$");
|
||||
#define DEVMAP_BOOTSTRAP_MAP_START 0xE0000000
|
||||
|
||||
vm_offset_t
|
||||
initarm_lastaddr(void)
|
||||
platform_lastaddr(void)
|
||||
{
|
||||
|
||||
return (DEVMAP_BOOTSTRAP_MAP_START);
|
||||
}
|
||||
|
||||
void
|
||||
initarm_early_init(void)
|
||||
platform_probe_and_attach(void)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
void
|
||||
initarm_gpio_init(void)
|
||||
platform_gpio_init(void)
|
||||
{
|
||||
}
|
||||
|
||||
void
|
||||
initarm_late_init(void)
|
||||
platform_late_init(void)
|
||||
{
|
||||
}
|
||||
|
||||
@ -91,7 +92,7 @@ static struct arm_devmap_entry fdt_devmap[FDT_DEVMAP_MAX] = {
|
||||
* Construct pmap_devmap[] with DT-derived config data.
|
||||
*/
|
||||
int
|
||||
initarm_devmap_init(void)
|
||||
platform_devmap_init(void)
|
||||
{
|
||||
int i = 0;
|
||||
fdt_devmap[i].pd_va = 0xf0100000;
|
||||
|
||||
@ -51,31 +51,32 @@ __FBSDID("$FreeBSD$");
|
||||
#include <machine/bus.h>
|
||||
#include <machine/devmap.h>
|
||||
#include <machine/machdep.h>
|
||||
#include <machine/platform.h>
|
||||
|
||||
#include <arm/xilinx/zy7_reg.h>
|
||||
|
||||
void (*zynq7_cpu_reset)(void);
|
||||
|
||||
vm_offset_t
|
||||
initarm_lastaddr(void)
|
||||
platform_lastaddr(void)
|
||||
{
|
||||
|
||||
return (arm_devmap_lastaddr());
|
||||
}
|
||||
|
||||
void
|
||||
initarm_early_init(void)
|
||||
platform_probe_and_attach(void)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
void
|
||||
initarm_gpio_init(void)
|
||||
platform_gpio_init(void)
|
||||
{
|
||||
}
|
||||
|
||||
void
|
||||
initarm_late_init(void)
|
||||
platform_late_init(void)
|
||||
{
|
||||
}
|
||||
|
||||
@ -85,7 +86,7 @@ initarm_late_init(void)
|
||||
* nice efficient 1MB section mappings.
|
||||
*/
|
||||
int
|
||||
initarm_devmap_init(void)
|
||||
platform_devmap_init(void)
|
||||
{
|
||||
|
||||
arm_devmap_add_entry(ZYNQ7_PSIO_HWBASE, ZYNQ7_PSIO_SIZE);
|
||||
|
||||
@ -36,6 +36,8 @@ arm/arm/nexus.c standard
|
||||
arm/arm/physmem.c standard
|
||||
arm/arm/pl190.c optional pl190
|
||||
arm/arm/pl310.c optional pl310
|
||||
arm/arm/platform.c optional platform
|
||||
arm/arm/platform_if.m optional platform
|
||||
arm/arm/pmap.c optional cpu_arm9 | cpu_arm9e | cpu_fa526 | cpu_xscale_80219 | cpu_xscale_80321 | cpu_xscale_81342 | cpu_xscale_ixp425 | cpu_xscale_ixp435 | cpu_xscale_pxa2x0
|
||||
arm/arm/pmap-v6.c optional cpu_arm1136 | cpu_arm1176 | cpu_cortexa | cpu_mv_pj4b | cpu_krait
|
||||
arm/arm/sc_machdep.c optional sc
|
||||
@ -61,6 +63,7 @@ cddl/compat/opensolaris/kern/opensolaris_atomic.c optional zfs compile-with "${Z
|
||||
crypto/blowfish/bf_enc.c optional crypto | ipsec
|
||||
crypto/des/des_enc.c optional crypto | ipsec | netsmb
|
||||
dev/fb/fb.c optional sc
|
||||
dev/fdt/fdt_arm_platform.c optional platform fdt
|
||||
dev/hwpmc/hwpmc_arm.c optional hwpmc
|
||||
dev/kbd/kbd.c optional sc | vt
|
||||
dev/syscons/scgfbrndr.c optional sc
|
||||
|
||||
@ -31,6 +31,7 @@ KERNVIRTADDR opt_global.h
|
||||
LINUX_BOOT_ABI opt_global.h
|
||||
LOADERRAMADDR opt_global.h
|
||||
PHYSADDR opt_global.h
|
||||
PLATFORM opt_global.h
|
||||
SOCDEV_PA opt_global.h
|
||||
SOCDEV_VA opt_global.h
|
||||
PV_STATS opt_pmap.h
|
||||
|
||||
72
sys/dev/fdt/fdt_arm_platform.c
Normal file
72
sys/dev/fdt/fdt_arm_platform.c
Normal file
@ -0,0 +1,72 @@
|
||||
/*-
|
||||
* Copyright (c) 2013 Andrew Turner
|
||||
* 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_platform.h"
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
__FBSDID("$FreeBSD$");
|
||||
|
||||
#include <sys/param.h>
|
||||
|
||||
#include <arm/include/platform.h>
|
||||
#include <arm/include/platformvar.h>
|
||||
|
||||
#include <dev/ofw/openfirm.h>
|
||||
#include <dev/fdt/fdt_common.h>
|
||||
|
||||
#include "platform_if.h"
|
||||
|
||||
#define FDT_PLATFORM(plat) \
|
||||
((fdt_platform_def_t *)(plat)->cls->baseclasses[0])
|
||||
|
||||
static int
|
||||
fdt_platform_probe(platform_t plat)
|
||||
{
|
||||
const char *compat;
|
||||
phandle_t root;
|
||||
|
||||
/*
|
||||
* TODO: Make these KASSERTs, we should only be here if we
|
||||
* are using the FDT platform magic.
|
||||
*/
|
||||
if (plat->cls == NULL || FDT_PLATFORM(plat) == NULL)
|
||||
return 1;
|
||||
|
||||
/* Is the device is compatible? */
|
||||
root = OF_finddevice("/");
|
||||
compat = FDT_PLATFORM(plat)->fdt_compatible;
|
||||
if (fdt_is_compatible(root, compat) != 0)
|
||||
return 0;
|
||||
|
||||
/* Not compatible, return an error */
|
||||
return 1;
|
||||
}
|
||||
|
||||
platform_method_t fdt_platform_methods[] = {
|
||||
PLATFORMMETHOD(platform_probe, fdt_platform_probe),
|
||||
PLATFORMMETHOD_END
|
||||
};
|
||||
|
||||
Loading…
Reference in New Issue
Block a user