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Current Path: /usr/src/sys/arm/broadcom/bcm2835

usr / src / sys / arm / broadcom / bcm2835 /

📁 ..
📄 bcm2835_audio.c(22.97 KB)
📄 bcm2835_bsc.c(21.03 KB)
📄 bcm2835_bscreg.h(2.64 KB)
📄 bcm2835_bscvar.h(2.39 KB)
📄 bcm2835_clkman.c(5.33 KB)
📄 bcm2835_clkman.h(1.7 KB)
📄 bcm2835_cpufreq.c(39.72 KB)
📄 bcm2835_dma.c(18.84 KB)
📄 bcm2835_dma.h(2.42 KB)
📄 bcm2835_fb.c(18.73 KB)
📄 bcm2835_fbd.c(7.13 KB)
📄 bcm2835_firmware.c(5.24 KB)
📄 bcm2835_firmware.h(4.98 KB)
📄 bcm2835_ft5406.c(8.79 KB)
📄 bcm2835_gpio.c(32.85 KB)
📄 bcm2835_intr.c(12.24 KB)
📄 bcm2835_machdep.c(4.74 KB)
📄 bcm2835_mbox.c(14.75 KB)
📄 bcm2835_mbox.h(1.79 KB)
📄 bcm2835_mbox_prop.h(10.12 KB)
📄 bcm2835_pwm.c(13.74 KB)
📄 bcm2835_rng.c(12.86 KB)
📄 bcm2835_sdhci.c(23.72 KB)
📄 bcm2835_sdhost.c(32.03 KB)
📄 bcm2835_spi.c(14.68 KB)
📄 bcm2835_spireg.h(2.82 KB)
📄 bcm2835_spivar.h(2.21 KB)
📄 bcm2835_systimer.c(8.19 KB)
📄 bcm2835_vcbus.c(7.54 KB)
📄 bcm2835_vcbus.h(3.26 KB)
📄 bcm2835_vcio.c(3.01 KB)
📄 bcm2835_wdog.c(6.71 KB)
📄 bcm2835_wdog.h(1.5 KB)
📄 bcm2836.c(19.65 KB)
📄 bcm2836_mp.c(4.04 KB)
📄 bcm2836_mp.h(1.64 KB)
📄 bcm2838_pci.c(19.43 KB)
📄 bcm2838_xhci.c(5.74 KB)
📄 bcm283x_dwc_fdt.c(3.13 KB)
📄 files.bcm2835(63 B)
📄 files.bcm2836(103 B)
📄 files.bcm283x(2.65 KB)
📄 raspberrypi_gpio.c(11.42 KB)
📄 std.bcm2835(199 B)
📄 std.bcm2836(196 B)
📄 std.rpi(37 B)
📄 vc_vchi_audioserv_defs.h(4.06 KB)

Editing: bcm2835_machdep.c

/*-
 * SPDX-License-Identifier: BSD-4-Clause
 *
 * Copyright (c) 2012 Oleksandr Tymoshenko.
 * Copyright (c) 1994-1998 Mark Brinicombe.
 * Copyright (c) 1994 Brini.
 * All rights reserved.
 *
 * This code is derived from software written for Brini by Mark Brinicombe
 *
 * 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.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by Brini.
 * 4. The name of the company nor the name of the author may be used to
 *    endorse or promote products derived from this software without specific
 *    prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY BRINI ``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 BRINI 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.
 *
 * from: FreeBSD: //depot/projects/arm/src/sys/arm/at91/kb920x_machdep.c, rev 45
 */

#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/machdep.h>
#include <machine/platform.h>
#include <machine/platformvar.h>

#include <dev/ofw/openfirm.h>

#include <arm/broadcom/bcm2835/bcm2835_wdog.h>
#include <arm/broadcom/bcm2835/bcm2836_mp.h>

#include "platform_if.h"

#ifdef SOC_BCM2835
static platform_devmap_init_t bcm2835_devmap_init;
#endif
#ifdef SOC_BCM2836
static platform_devmap_init_t bcm2836_devmap_init;
#endif
static platform_late_init_t bcm2835_late_init;
static platform_cpu_reset_t bcm2835_cpu_reset;

static void
bcm2835_late_init(platform_t plat)
{
	phandle_t system;
	pcell_t cells[2];
	int len;

system = OF_finddevice("/system");
	if (system != -1) {
		len = OF_getencprop(system, "linux,serial", cells,
		    sizeof(cells));
		if (len > 0)
			board_set_serial(((uint64_t)cells[0]) << 32 | cells[1]);

len = OF_getencprop(system, "linux,revision", cells,
		    sizeof(cells));
		if (len > 0)
			board_set_revision(cells[0]);
	}
}

#ifdef SOC_BCM2835
/*
 * Set up static device mappings.
 * All on-chip peripherals exist in a 16MB range starting at 0x20000000.
 * Map the entire range using 1MB section mappings.
 */
static int
bcm2835_devmap_init(platform_t plat)
{

devmap_add_entry(0x20000000, 0x01000000);
	return (0);
}
#endif

#ifdef SOC_BCM2836
static int
bcm2836_devmap_init(platform_t plat)
{

devmap_add_entry(0x3f000000, 0x01000000);
	return (0);
}
#endif

static void
bcm2835_cpu_reset(platform_t plat)
{
	bcmwd_watchdog_reset();
}

#ifdef SOC_BCM2835
static platform_method_t bcm2835_methods[] = {
	PLATFORMMETHOD(platform_devmap_init,	bcm2835_devmap_init),
	PLATFORMMETHOD(platform_late_init,	bcm2835_late_init),
	PLATFORMMETHOD(platform_cpu_reset,	bcm2835_cpu_reset),

PLATFORMMETHOD_END,
};
FDT_PLATFORM_DEF2(bcm2835, bcm2835_legacy, "bcm2835 (legacy)", 0, "raspberrypi,model-b", 100);
FDT_PLATFORM_DEF2(bcm2835, bcm2835, "bcm2835", 0, "brcm,bcm2835", 100);
#endif

#if defined(SOC_BCM2836) || defined(SOC_BRCM_BCM2837)
static platform_method_t bcm2836_methods[] = {
	PLATFORMMETHOD(platform_devmap_init,	bcm2836_devmap_init),
	PLATFORMMETHOD(platform_late_init,	bcm2835_late_init),
	PLATFORMMETHOD(platform_cpu_reset,	bcm2835_cpu_reset),

#ifdef SMP
	PLATFORMMETHOD(platform_mp_start_ap,	bcm2836_mp_start_ap),
	PLATFORMMETHOD(platform_mp_setmaxid,	bcm2836_mp_setmaxid),
#endif

PLATFORMMETHOD_END,
};
FDT_PLATFORM_DEF2(bcm2836, bcm2836_legacy, "bcm2836 (legacy)", 0, "brcm,bcm2709", 100);
FDT_PLATFORM_DEF2(bcm2836, bcm2836, "bcm2836", 0, "brcm,bcm2836", 100);
FDT_PLATFORM_DEF2(bcm2836, bcm2837, "bcm2837", 0, "brcm,bcm2837", 100);
#endif	/* defined(SOC_BCM2836) || defined(SOC_BRCM_BCM2837) */

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Editing: bcm2835_machdep.c

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