Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2)  * BRIEF MODULE DESCRIPTION
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  *    PROM library initialisation code, assuming a version of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *    pmon is the boot code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * Copyright 2001 MontaVista Software Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  * Author: MontaVista Software, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  *              ahennessy@mvista.com
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  * Based on arch/mips/au1000/common/prom.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)  * This file was derived from Carsten Langgaard's
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)  * arch/mips/mips-boards/xx files.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)  * Carsten Langgaard, carstenl@mips.com
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)  * Copyright (C) 1999,2000 MIPS Technologies, Inc.  All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)  *  This program is free software; you can redistribute  it and/or modify it
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)  *  under  the terms of  the GNU General  Public License as published by the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)  *  Free Software Foundation;  either version 2 of the  License, or (at your
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)  *  option) any later version.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)  *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)  *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)  *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)  *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)  *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)  *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)  *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)  *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)  *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)  *  You should have received a copy of the  GNU General Public License along
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)  *  with this program; if not, write  to the Free Software Foundation, Inc.,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)  *  675 Mass Ave, Cambridge, MA 02139, USA.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #include <linux/memblock.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #include <asm/txx9/generic.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #include <asm/txx9/jmr3927.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) void __init jmr3927_prom_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	/* CCFG */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	if ((tx3927_ccfgptr->ccfg & TX3927_CCFG_TLBOFF) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 		pr_err("TX3927 TLB off\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	memblock_add(0, JMR3927_SDRAM_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	txx9_sio_putchar_init(TX3927_SIO_REG(1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) }