mirror of https://gitee.com/openkylin/linux.git
76 lines
1.9 KiB
C
76 lines
1.9 KiB
C
/*
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* Copyright (C) 2012-2013 Broadcom Corporation
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation version 2.
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*
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* This program is distributed "as is" WITHOUT ANY WARRANTY of any
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* kind, whether express or implied; without even the implied warranty
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* of 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/of_platform.h>
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#include <linux/init.h>
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#include <linux/device.h>
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#include <linux/platform_device.h>
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#include <linux/clocksource.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/time.h>
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#include <asm/hardware/cache-l2x0.h>
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#include "bcm_kona_smc.h"
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#include "kona.h"
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static int __init kona_l2_cache_init(void)
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{
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if (!IS_ENABLED(CONFIG_CACHE_L2X0))
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return 0;
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if (bcm_kona_smc_init() < 0) {
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pr_info("Kona secure API not available. Skipping L2 init\n");
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return 0;
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}
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bcm_kona_smc(SSAPI_ENABLE_L2_CACHE, 0, 0, 0, 0);
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/*
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* The aux_val and aux_mask have no effect since L2 cache is already
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* enabled. Pass 0s for aux_val and 1s for aux_mask for default value.
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*/
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return l2x0_of_init(0, ~0);
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}
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static void bcm_board_setup_restart(void)
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{
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struct device_node *np;
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np = of_find_compatible_node(NULL, NULL, "brcm,bcm11351");
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if (np) {
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if (of_device_is_available(np))
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bcm_kona_setup_restart();
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of_node_put(np);
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}
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/* Restart setup for other boards goes here */
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}
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static void __init board_init(void)
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{
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of_platform_populate(NULL, of_default_bus_match_table, NULL,
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&platform_bus);
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bcm_board_setup_restart();
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kona_l2_cache_init();
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}
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static const char * const bcm11351_dt_compat[] = { "brcm,bcm11351", NULL, };
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DT_MACHINE_START(BCM11351_DT, "Broadcom Application Processor")
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.init_time = clocksource_of_init,
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.init_machine = board_init,
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.restart = bcm_kona_restart,
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.dt_compat = bcm11351_dt_compat,
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MACHINE_END
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