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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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f4117ac9e2
This uncouple PHYS_OFFSET from the platform definitions, thereby facilitating run-time computation of the physical memory offset. Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org> Acked-by: Viresh Kumar <viresh.kumar@st.com> Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com> Acked-by: Magnus Damm <damm@opensource.se> Acked-by: Tony Lindgren <tony@atomide.com> Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Wan ZongShun <mcuos.com@gmail.com> Acked-by: Kukjin Kim <kgene.kim@samsung.com> Acked-by: Eric Miao <eric.y.miao@gmail.com> Acked-by: Jiandong Zheng <jdzheng@broadcom.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
/*
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*
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* arch/arm/mach-u300/u300.c
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*
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*
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* Copyright (C) 2006-2009 ST-Ericsson AB
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* License terms: GNU General Public License (GPL) version 2
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* Platform machine definition.
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* Author: Linus Walleij <linus.walleij@stericsson.com>
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/mm.h>
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#include <linux/sched.h>
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#include <linux/interrupt.h>
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#include <linux/ioport.h>
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#include <linux/memblock.h>
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#include <linux/platform_device.h>
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#include <linux/io.h>
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#include <mach/hardware.h>
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#include <mach/platform.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/memory.h>
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static void __init u300_reserve(void)
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{
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/*
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* U300 - This platform family can share physical memory
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* between two ARM cpus, one running Linux and the other
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* running another OS.
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*/
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#ifdef CONFIG_MACH_U300_SINGLE_RAM
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#if ((CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1) == 1) && \
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CONFIG_MACH_U300_2MB_ALIGNMENT_FIX
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memblock_reserve(PHYS_OFFSET, 0x00100000);
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#endif
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#endif
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}
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static void __init u300_init_machine(void)
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{
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u300_init_devices();
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}
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#ifdef CONFIG_MACH_U300_BS2X
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#define MACH_U300_STRING "Ericsson AB U300 S25/S26/B25/B26 Prototype Board"
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#endif
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#ifdef CONFIG_MACH_U300_BS330
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#define MACH_U300_STRING "Ericsson AB U330 S330/B330 Prototype Board"
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#endif
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#ifdef CONFIG_MACH_U300_BS335
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#define MACH_U300_STRING "Ericsson AB U335 S335/B335 Prototype Board"
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#endif
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#ifdef CONFIG_MACH_U300_BS365
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#define MACH_U300_STRING "Ericsson AB U365 S365/B365 Prototype Board"
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#endif
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MACHINE_START(U300, MACH_U300_STRING)
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/* Maintainer: Linus Walleij <linus.walleij@stericsson.com> */
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.boot_params = BOOT_PARAMS_OFFSET,
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.map_io = u300_map_io,
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.reserve = u300_reserve,
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.init_irq = u300_init_irq,
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.timer = &u300_timer,
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.init_machine = u300_init_machine,
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MACHINE_END
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