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372 lines
9.3 KiB
372 lines
9.3 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* Copyright (C) 2005 Nokia Corporation |
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* Author: Paul Mundt <[email protected]> |
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* |
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* Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com/ |
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* |
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* Modified from the original mach-omap/omap2/board-generic.c did by Paul |
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* to support the OMAP2+ device tree boards with an unique board file. |
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*/ |
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#include <linux/io.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/irqdomain.h> |
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#include <linux/clocksource.h> |
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#include <asm/setup.h> |
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#include <asm/mach/arch.h> |
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#include <asm/system_info.h> |
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#include "common.h" |
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static const struct of_device_id omap_dt_match_table[] __initconst = { |
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{ .compatible = "simple-bus", }, |
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{ .compatible = "ti,omap-infra", }, |
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{ } |
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}; |
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static void __init __maybe_unused omap_generic_init(void) |
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{ |
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pdata_quirks_init(omap_dt_match_table); |
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omap_soc_device_init(); |
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} |
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/* Clocks are needed early, see drivers/clocksource for the rest */ |
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static void __init __maybe_unused omap_init_time_of(void) |
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{ |
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omap_clk_init(); |
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timer_probe(); |
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} |
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/* Used by am437x for ARM timer in non-SMP configurations */ |
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#if !defined(CONFIG_SMP) && defined(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST) |
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void tick_broadcast(const struct cpumask *mask) |
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{ |
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} |
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#endif |
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#ifdef CONFIG_SOC_OMAP2420 |
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static const char *const omap242x_boards_compat[] __initconst = { |
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"ti,omap2420", |
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NULL, |
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}; |
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DT_MACHINE_START(OMAP242X_DT, "Generic OMAP2420 (Flattened Device Tree)") |
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.reserve = omap_reserve, |
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.map_io = omap242x_map_io, |
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.init_early = omap2420_init_early, |
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.init_machine = omap_generic_init, |
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.init_time = omap_init_time_of, |
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.dt_compat = omap242x_boards_compat, |
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.restart = omap2xxx_restart, |
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MACHINE_END |
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#endif |
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#ifdef CONFIG_SOC_OMAP2430 |
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static const char *const omap243x_boards_compat[] __initconst = { |
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"ti,omap2430", |
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NULL, |
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}; |
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DT_MACHINE_START(OMAP243X_DT, "Generic OMAP2430 (Flattened Device Tree)") |
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.reserve = omap_reserve, |
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.map_io = omap243x_map_io, |
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.init_early = omap2430_init_early, |
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.init_machine = omap_generic_init, |
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.init_time = omap_init_time_of, |
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.dt_compat = omap243x_boards_compat, |
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.restart = omap2xxx_restart, |
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MACHINE_END |
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#endif |
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#ifdef CONFIG_ARCH_OMAP3 |
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/* Some boards need board name for legacy userspace in /proc/cpuinfo */ |
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static const char *const n900_boards_compat[] __initconst = { |
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"nokia,omap3-n900", |
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NULL, |
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}; |
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/* Set system_rev from atags */ |
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static void __init rx51_set_system_rev(const struct tag *tags) |
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{ |
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const struct tag *tag; |
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if (tags->hdr.tag != ATAG_CORE) |
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return; |
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for_each_tag(tag, tags) { |
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if (tag->hdr.tag == ATAG_REVISION) { |
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system_rev = tag->u.revision.rev; |
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break; |
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} |
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} |
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} |
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/* Legacy userspace on Nokia N900 needs ATAGS exported in /proc/atags, |
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* save them while the data is still not overwritten |
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*/ |
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static void __init rx51_reserve(void) |
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{ |
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const struct tag *tags = (const struct tag *)(PAGE_OFFSET + 0x100); |
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save_atags(tags); |
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rx51_set_system_rev(tags); |
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omap_reserve(); |
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} |
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DT_MACHINE_START(OMAP3_N900_DT, "Nokia RX-51 board") |
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.reserve = rx51_reserve, |
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.map_io = omap3_map_io, |
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.init_early = omap3430_init_early, |
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.init_machine = omap_generic_init, |
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.init_late = omap3_init_late, |
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.init_time = omap_init_time_of, |
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.dt_compat = n900_boards_compat, |
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.restart = omap3xxx_restart, |
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MACHINE_END |
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/* Generic omap3 boards, most boards can use these */ |
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static const char *const omap3_boards_compat[] __initconst = { |
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"ti,omap3430", |
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"ti,omap3", |
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NULL, |
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}; |
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DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)") |
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.reserve = omap_reserve, |
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.map_io = omap3_map_io, |
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.init_early = omap3430_init_early, |
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.init_machine = omap_generic_init, |
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.init_late = omap3_init_late, |
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.init_time = omap_init_time_of, |
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.dt_compat = omap3_boards_compat, |
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.restart = omap3xxx_restart, |
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MACHINE_END |
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static const char *const omap36xx_boards_compat[] __initconst = { |
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"ti,omap3630", |
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"ti,omap36xx", |
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NULL, |
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}; |
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DT_MACHINE_START(OMAP36XX_DT, "Generic OMAP36xx (Flattened Device Tree)") |
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.reserve = omap_reserve, |
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.map_io = omap3_map_io, |
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.init_early = omap3630_init_early, |
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.init_machine = omap_generic_init, |
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.init_late = omap3_init_late, |
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.init_time = omap_init_time_of, |
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.dt_compat = omap36xx_boards_compat, |
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.restart = omap3xxx_restart, |
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MACHINE_END |
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static const char *const omap3_gp_boards_compat[] __initconst = { |
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"ti,omap3-beagle", |
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"timll,omap3-devkit8000", |
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NULL, |
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}; |
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DT_MACHINE_START(OMAP3_GP_DT, "Generic OMAP3-GP (Flattened Device Tree)") |
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.reserve = omap_reserve, |
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.map_io = omap3_map_io, |
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.init_early = omap3430_init_early, |
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.init_machine = omap_generic_init, |
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.init_late = omap3_init_late, |
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.init_time = omap_init_time_of, |
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.dt_compat = omap3_gp_boards_compat, |
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.restart = omap3xxx_restart, |
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MACHINE_END |
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static const char *const am3517_boards_compat[] __initconst = { |
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"ti,am3517", |
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NULL, |
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}; |
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DT_MACHINE_START(AM3517_DT, "Generic AM3517 (Flattened Device Tree)") |
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.reserve = omap_reserve, |
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.map_io = omap3_map_io, |
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.init_early = am35xx_init_early, |
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.init_machine = omap_generic_init, |
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.init_late = omap3_init_late, |
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.init_time = omap_init_time_of, |
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.dt_compat = am3517_boards_compat, |
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.restart = omap3xxx_restart, |
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MACHINE_END |
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#endif |
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#ifdef CONFIG_SOC_TI81XX |
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static const char *const ti814x_boards_compat[] __initconst = { |
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"ti,dm8148", |
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"ti,dm814", |
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NULL, |
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}; |
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DT_MACHINE_START(TI814X_DT, "Generic ti814x (Flattened Device Tree)") |
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.reserve = omap_reserve, |
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.map_io = ti81xx_map_io, |
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.init_early = ti814x_init_early, |
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.init_machine = omap_generic_init, |
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.init_late = ti81xx_init_late, |
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.init_time = omap_init_time_of, |
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.dt_compat = ti814x_boards_compat, |
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.restart = ti81xx_restart, |
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MACHINE_END |
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static const char *const ti816x_boards_compat[] __initconst = { |
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"ti,dm8168", |
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"ti,dm816", |
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NULL, |
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}; |
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DT_MACHINE_START(TI816X_DT, "Generic ti816x (Flattened Device Tree)") |
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.reserve = omap_reserve, |
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.map_io = ti81xx_map_io, |
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.init_early = ti816x_init_early, |
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.init_machine = omap_generic_init, |
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.init_late = ti81xx_init_late, |
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.init_time = omap_init_time_of, |
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.dt_compat = ti816x_boards_compat, |
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.restart = ti81xx_restart, |
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MACHINE_END |
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#endif |
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#ifdef CONFIG_SOC_AM33XX |
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static const char *const am33xx_boards_compat[] __initconst = { |
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"ti,am33xx", |
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NULL, |
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}; |
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DT_MACHINE_START(AM33XX_DT, "Generic AM33XX (Flattened Device Tree)") |
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.reserve = omap_reserve, |
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.map_io = am33xx_map_io, |
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.init_early = am33xx_init_early, |
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.init_machine = omap_generic_init, |
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.init_late = am33xx_init_late, |
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.init_time = omap_init_time_of, |
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.dt_compat = am33xx_boards_compat, |
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.restart = am33xx_restart, |
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MACHINE_END |
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#endif |
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#ifdef CONFIG_ARCH_OMAP4 |
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static const char *const omap4_boards_compat[] __initconst = { |
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"ti,omap4460", |
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"ti,omap4430", |
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"ti,omap4", |
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NULL, |
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}; |
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DT_MACHINE_START(OMAP4_DT, "Generic OMAP4 (Flattened Device Tree)") |
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.l2c_aux_val = OMAP_L2C_AUX_CTRL, |
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.l2c_aux_mask = 0xcf9fffff, |
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.l2c_write_sec = omap4_l2c310_write_sec, |
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.reserve = omap_reserve, |
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.smp = smp_ops(omap4_smp_ops), |
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.map_io = omap4_map_io, |
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.init_early = omap4430_init_early, |
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.init_irq = omap_gic_of_init, |
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.init_machine = omap_generic_init, |
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.init_late = omap4430_init_late, |
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.init_time = omap_init_time_of, |
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.dt_compat = omap4_boards_compat, |
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.restart = omap44xx_restart, |
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MACHINE_END |
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#endif |
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#ifdef CONFIG_SOC_OMAP5 |
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static const char *const omap5_boards_compat[] __initconst = { |
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"ti,omap5432", |
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"ti,omap5430", |
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"ti,omap5", |
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NULL, |
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}; |
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DT_MACHINE_START(OMAP5_DT, "Generic OMAP5 (Flattened Device Tree)") |
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#if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE) |
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.dma_zone_size = SZ_2G, |
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#endif |
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.reserve = omap_reserve, |
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.smp = smp_ops(omap4_smp_ops), |
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.map_io = omap5_map_io, |
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.init_early = omap5_init_early, |
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.init_irq = omap_gic_of_init, |
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.init_machine = omap_generic_init, |
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.init_late = omap5_init_late, |
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.init_time = omap5_realtime_timer_init, |
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.dt_compat = omap5_boards_compat, |
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.restart = omap44xx_restart, |
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MACHINE_END |
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#endif |
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#ifdef CONFIG_SOC_AM43XX |
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static const char *const am43_boards_compat[] __initconst = { |
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"ti,am4372", |
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"ti,am43", |
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NULL, |
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}; |
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DT_MACHINE_START(AM43_DT, "Generic AM43 (Flattened Device Tree)") |
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.l2c_aux_val = OMAP_L2C_AUX_CTRL, |
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.l2c_aux_mask = 0xcf9fffff, |
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.l2c_write_sec = omap4_l2c310_write_sec, |
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.map_io = am33xx_map_io, |
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.init_early = am43xx_init_early, |
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.init_late = am43xx_init_late, |
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.init_irq = omap_gic_of_init, |
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.init_machine = omap_generic_init, |
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.init_time = omap_init_time_of, |
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.dt_compat = am43_boards_compat, |
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.restart = omap44xx_restart, |
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MACHINE_END |
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#endif |
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#ifdef CONFIG_SOC_DRA7XX |
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static const char *const dra74x_boards_compat[] __initconst = { |
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"ti,dra762", |
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"ti,am5728", |
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"ti,am5726", |
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"ti,dra742", |
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"ti,dra7", |
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NULL, |
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}; |
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DT_MACHINE_START(DRA74X_DT, "Generic DRA74X (Flattened Device Tree)") |
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#if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE) |
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.dma_zone_size = SZ_2G, |
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#endif |
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.reserve = omap_reserve, |
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.smp = smp_ops(omap4_smp_ops), |
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.map_io = dra7xx_map_io, |
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.init_early = dra7xx_init_early, |
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.init_late = dra7xx_init_late, |
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.init_irq = omap_gic_of_init, |
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.init_machine = omap_generic_init, |
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.init_time = omap5_realtime_timer_init, |
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.dt_compat = dra74x_boards_compat, |
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.restart = omap44xx_restart, |
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MACHINE_END |
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static const char *const dra72x_boards_compat[] __initconst = { |
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"ti,am5718", |
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"ti,am5716", |
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"ti,dra722", |
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"ti,dra718", |
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NULL, |
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}; |
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DT_MACHINE_START(DRA72X_DT, "Generic DRA72X (Flattened Device Tree)") |
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#if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE) |
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.dma_zone_size = SZ_2G, |
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#endif |
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.reserve = omap_reserve, |
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.map_io = dra7xx_map_io, |
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.init_early = dra7xx_init_early, |
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.init_late = dra7xx_init_late, |
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.init_irq = omap_gic_of_init, |
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.init_machine = omap_generic_init, |
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.init_time = omap5_realtime_timer_init, |
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.dt_compat = dra72x_boards_compat, |
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.restart = omap44xx_restart, |
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MACHINE_END |
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#endif
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