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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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6e8887f60f
This replaces an earlier patch from Viresh Kumar to move the spear platform over to the generic DMA binding. This version is now based on the merged multiplatform capable spear platform, rather than the separate spear13xx/3xx/6xx directories. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: Viresh Kumar <viresh.kumar@linaro.org> Cc: Vinod Koul <vinod.koul@linux.intel.com> Cc: devicetree-discuss@lists.ozlabs.org Cc: Shiraz Hashim <shiraz.hashim@st.com> Cc: spear-devel@list.st.com
69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
/*
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* arch/arm/mach-spear13xx/spear1310.c
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*
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* SPEAr1310 machine source file
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*
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* Copyright (C) 2012 ST Microelectronics
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* Viresh Kumar <viresh.linux@gmail.com>
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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#define pr_fmt(fmt) "SPEAr1310: " fmt
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#include <linux/amba/pl022.h>
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#include <linux/irqchip.h>
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#include <linux/of_platform.h>
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#include <linux/pata_arasan_cf_data.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include "generic.h"
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#include <mach/spear.h>
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/* Base addresses */
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#define SPEAR1310_RAS_GRP1_BASE UL(0xD8000000)
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#define VA_SPEAR1310_RAS_GRP1_BASE UL(0xFA000000)
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static void __init spear1310_dt_init(void)
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{
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of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
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}
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static const char * const spear1310_dt_board_compat[] = {
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"st,spear1310",
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"st,spear1310-evb",
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NULL,
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};
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/*
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* Following will create 16MB static virtual/physical mappings
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* PHYSICAL VIRTUAL
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* 0xD8000000 0xFA000000
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*/
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struct map_desc spear1310_io_desc[] __initdata = {
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{
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.virtual = VA_SPEAR1310_RAS_GRP1_BASE,
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.pfn = __phys_to_pfn(SPEAR1310_RAS_GRP1_BASE),
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.length = SZ_16M,
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.type = MT_DEVICE
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},
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};
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static void __init spear1310_map_io(void)
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{
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iotable_init(spear1310_io_desc, ARRAY_SIZE(spear1310_io_desc));
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spear13xx_map_io();
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}
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DT_MACHINE_START(SPEAR1310_DT, "ST SPEAr1310 SoC with Flattened Device Tree")
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.smp = smp_ops(spear13xx_smp_ops),
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.map_io = spear1310_map_io,
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.init_irq = irqchip_init,
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.init_time = spear13xx_timer_init,
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.init_machine = spear1310_dt_init,
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.restart = spear_restart,
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.dt_compat = spear1310_dt_board_compat,
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MACHINE_END
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