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fe08bf9f46
Fix the following compilation warning: arch/arm/mach-zynq/common.c:110:2: warning: initialization from incompatible pointer type [enabled by default] arch/arm/mach-zynq/common.c:110:2: warning: (near initialization for ‘__mach_desc_XILINX_EP107.restart’) [enabled by default] Signed-off-by: Vincent Stehlé <vincent.stehle@freescale.com> Cc: Robin Holt <holt@sgi.com> Cc: Michal Simek <michal.simek@xilinx.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: trivial@kernel.org Signed-off-by: Olof Johansson <olof@lixom.net>
112 lines
2.7 KiB
C
112 lines
2.7 KiB
C
/*
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* This file contains common code that is intended to be used across
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* boards so that it's not replicated.
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*
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* Copyright (C) 2011 Xilinx
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/cpumask.h>
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#include <linux/platform_device.h>
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#include <linux/clk.h>
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#include <linux/clk/zynq.h>
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#include <linux/clocksource.h>
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#include <linux/of_address.h>
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#include <linux/of_irq.h>
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#include <linux/of_platform.h>
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#include <linux/of.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/time.h>
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#include <asm/mach-types.h>
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#include <asm/page.h>
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#include <asm/pgtable.h>
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#include <asm/smp_scu.h>
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#include <asm/hardware/cache-l2x0.h>
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#include "common.h"
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void __iomem *zynq_scu_base;
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static struct of_device_id zynq_of_bus_ids[] __initdata = {
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{ .compatible = "simple-bus", },
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{}
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};
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/**
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* zynq_init_machine - System specific initialization, intended to be
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* called from board specific initialization.
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*/
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static void __init zynq_init_machine(void)
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{
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/*
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* 64KB way size, 8-way associativity, parity disabled
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*/
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l2x0_of_init(0x02060000, 0xF0F0FFFF);
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of_platform_bus_probe(NULL, zynq_of_bus_ids, NULL);
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}
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static void __init zynq_timer_init(void)
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{
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zynq_slcr_init();
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clocksource_of_init();
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}
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static struct map_desc zynq_cortex_a9_scu_map __initdata = {
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.length = SZ_256,
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.type = MT_DEVICE,
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};
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static void __init zynq_scu_map_io(void)
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{
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unsigned long base;
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base = scu_a9_get_base();
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zynq_cortex_a9_scu_map.pfn = __phys_to_pfn(base);
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/* Expected address is in vmalloc area that's why simple assign here */
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zynq_cortex_a9_scu_map.virtual = base;
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iotable_init(&zynq_cortex_a9_scu_map, 1);
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zynq_scu_base = (void __iomem *)base;
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BUG_ON(!zynq_scu_base);
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}
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/**
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* zynq_map_io - Create memory mappings needed for early I/O.
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*/
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static void __init zynq_map_io(void)
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{
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debug_ll_io_init();
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zynq_scu_map_io();
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}
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static void zynq_system_reset(enum reboot_mode mode, const char *cmd)
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{
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zynq_slcr_system_reset();
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}
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static const char * const zynq_dt_match[] = {
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"xlnx,zynq-7000",
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NULL
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};
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DT_MACHINE_START(XILINX_EP107, "Xilinx Zynq Platform")
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.smp = smp_ops(zynq_smp_ops),
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.map_io = zynq_map_io,
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.init_machine = zynq_init_machine,
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.init_time = zynq_timer_init,
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.dt_compat = zynq_dt_match,
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.restart = zynq_system_reset,
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MACHINE_END
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