b8eb35fd59
- Adds a module to provide calls into secure monitor mode - Uses this module to make secure monitor calls to enable L2 cache. Updates from V1: - Split DT portion into separate patch - replace #ifdef-ed L2 code with "if". - move init call to board init Signed-off-by: Christian Daudt <csd@broadcom.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
/*
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* Copyright (C) 2012 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/irqchip.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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static void timer_init(void)
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{
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}
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#include "bcm_kona_smc.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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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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l2x0_of_init(0, ~0);
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return 0;
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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_kona_smc_init();
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kona_l2_cache_init();
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}
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static const char * const bcm11351_dt_compat[] = { "bcm,bcm11351", NULL, };
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DT_MACHINE_START(BCM11351_DT, "Broadcom Application Processor")
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.init_irq = irqchip_init,
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.init_time = timer_init,
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.init_machine = board_init,
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.dt_compat = bcm11351_dt_compat,
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MACHINE_END
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