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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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f465d145d7
This is a patch series from Shawn Guo that moves from individual
late_initcalls() to using a member in the machine structure to invoke
a platform's late initcalls.
This cleanup is a step in the move towards multiplatform kernels since
it would reduce the need to check for compatible platforms in each and
every initcall.
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Merge tag 'cleanup-initcall' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull sweeping late_initcall cleanup for arm-soc from Olof Johansson:
"This is a patch series from Shawn Guo that moves from individual
late_initcalls() to using a member in the machine structure to invoke
a platform's late initcalls.
This cleanup is a step in the move towards multiplatform kernels since
it would reduce the need to check for compatible platforms in each and
every initcall."
Fix up trivial conflicts in arch/arm/mach-{exynos/mach-universal_c210.c,
imx/mach-cpuimx51.c, omap2/board-generic.c} due to changes nearby (and,
in the case of cpuimx51.c the board support being deleted)
* tag 'cleanup-initcall' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: ux500: use machine specific hook for late init
ARM: tegra: use machine specific hook for late init
ARM: shmobile: use machine specific hook for late init
ARM: sa1100: use machine specific hook for late init
ARM: s3c64xx: use machine specific hook for late init
ARM: prima2: use machine specific hook for late init
ARM: pnx4008: use machine specific hook for late init
ARM: omap2: use machine specific hook for late init
ARM: omap1: use machine specific hook for late init
ARM: msm: use machine specific hook for late init
ARM: imx: use machine specific hook for late init
ARM: exynos: use machine specific hook for late init
ARM: ep93xx: use machine specific hook for late init
ARM: davinci: use machine specific hook for late init
ARM: provide a late_initcall hook for platform initialization
84 lines
2.8 KiB
C
84 lines
2.8 KiB
C
/*
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* SAMSUNG EXYNOS5250 Flattened Device Tree enabled machine
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*
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* Copyright (c) 2012 Samsung Electronics Co., Ltd.
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* http://www.samsung.com
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/of_platform.h>
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#include <linux/serial_core.h>
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#include <asm/mach/arch.h>
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#include <asm/hardware/gic.h>
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#include <mach/map.h>
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#include <plat/cpu.h>
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#include <plat/regs-serial.h>
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#include "common.h"
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/*
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* The following lookup table is used to override device names when devices
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* are registered from device tree. This is temporarily added to enable
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* device tree support addition for the EXYNOS5 architecture.
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*
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* For drivers that require platform data to be provided from the machine
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* file, a platform data pointer can also be supplied along with the
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* devices names. Usually, the platform data elements that cannot be parsed
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* from the device tree by the drivers (example: function pointers) are
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* supplied. But it should be noted that this is a temporary mechanism and
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* at some point, the drivers should be capable of parsing all the platform
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* data from the device tree.
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*/
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static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = {
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OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS5_PA_UART0,
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"exynos4210-uart.0", NULL),
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OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS5_PA_UART1,
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"exynos4210-uart.1", NULL),
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OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS5_PA_UART2,
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"exynos4210-uart.2", NULL),
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OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS5_PA_UART3,
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"exynos4210-uart.3", NULL),
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OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(0),
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"s3c2440-i2c.0", NULL),
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OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(1),
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"s3c2440-i2c.1", NULL),
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OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_PDMA0, "dma-pl330.0", NULL),
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OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_PDMA1, "dma-pl330.1", NULL),
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OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_MDMA1, "dma-pl330.2", NULL),
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{},
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};
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static void __init exynos5250_dt_map_io(void)
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{
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exynos_init_io(NULL, 0);
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s3c24xx_init_clocks(24000000);
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}
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static void __init exynos5250_dt_machine_init(void)
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{
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of_platform_populate(NULL, of_default_bus_match_table,
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exynos5250_auxdata_lookup, NULL);
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}
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static char const *exynos5250_dt_compat[] __initdata = {
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"samsung,exynos5250",
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NULL
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};
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DT_MACHINE_START(EXYNOS5_DT, "SAMSUNG EXYNOS5 (Flattened Device Tree)")
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/* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
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.init_irq = exynos5_init_irq,
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.map_io = exynos5250_dt_map_io,
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.handle_irq = gic_handle_irq,
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.init_machine = exynos5250_dt_machine_init,
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.init_late = exynos_init_late,
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.timer = &exynos4_timer,
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.dt_compat = exynos5250_dt_compat,
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.restart = exynos5_restart,
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MACHINE_END
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