8e6a67d5be
Upstream DTBs don't provide IRQ lines for the RNG. Moreover, harvesting bytes as often as the RNG interrupt is triggered (87 times per sec) is an overkill. For these reasons, get rid of the interrupt mode and make callout mode the default, with random bits harvested every 4 seconds. Submitted by: Sylvain Garrigues <sylgar@gmail.com> Reviewed by: ian, imp, manu, mmel Approved by: emaste MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D14541
93 lines
2.6 KiB
Plaintext
93 lines
2.6 KiB
Plaintext
/*
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* Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@bluezbox.com>
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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 "bcm2835-rpi-b.dts"
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/ {
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/* This is only necessary for FDT_DTB_STATIC */
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memory {
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device_type = "memory";
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reg = <0 0x8000000>; /* 128MB, Set by VideoCore */
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};
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rpi_ft5406 {
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compatible = "rpi,rpi-ft5406";
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status = "okay";
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};
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/* Temporary patches */
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soc {
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sdhost: mmc@7e202000 {
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status = "disabled";
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}
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sdhci@7e300000 {
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status = "okay";
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};
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spi@7e204000 {
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status = "okay";
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};
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gpio@7e200000 {
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/* Pins that can short 3.3V to GND in output mode: 46-47
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* Pins used by VideoCore: 48-53
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*/
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broadcom,read-only = <46>, <47>, <48>, <49>, <50>,
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<51>, <52>, <53>;
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/* Reserved */
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pins_reserved: reserved {
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broadcom,pins = <48>, <49>, <50>, <51>, <52>,
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<53>;
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};
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}
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vchiq {
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compatible = "brcm,bcm2835-vchiq";
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reg = <0x7e00b840 0xf>;
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interrupts = <0 2>;
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cache-line-size = <32>;
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};
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display {
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compatible = "broadcom,bcm2835-fb", "broadcom,bcm2708-fb";
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broadcom,vc-mailbox = <&mailbox>;
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broadcom,vc-channel = <1>;
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broadcom,width = <0>; /* Set by VideoCore */
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broadcom,height = <0>; /* Set by VideoCore */
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broadcom,depth = <0>; /* Set by VideoCore */
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};
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};
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};
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