forked from mirrors/linux
		
	 4cb5d9eca1
			
		
	
	
		4cb5d9eca1
		
	
	
	
	
		
			
			Move the Trusted Foundations support out of arch/arm/firmware and into drivers/firmware where most other firmware support implementations are located. Signed-off-by: Thierry Reding <treding@nvidia.com>
		
			
				
	
	
		
			127 lines
		
	
	
	
		
			3.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			127 lines
		
	
	
	
		
			3.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * NVIDIA Tegra SoC device tree board support
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|  *
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|  * Copyright (C) 2011, 2013, NVIDIA Corporation
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|  * Copyright (C) 2010 Secret Lab Technologies, Ltd.
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|  * Copyright (C) 2010 Google, Inc.
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|  *
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|  * This software is licensed under the terms of the GNU General Public
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|  * License version 2, as published by the Free Software Foundation, and
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|  * may be copied, distributed, and modified under those terms.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * 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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|  */
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| 
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| #include <linux/clk.h>
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| #include <linux/clk/tegra.h>
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| #include <linux/dma-mapping.h>
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| #include <linux/init.h>
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| #include <linux/io.h>
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| #include <linux/irqchip.h>
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| #include <linux/irqdomain.h>
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| #include <linux/kernel.h>
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| #include <linux/of_address.h>
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| #include <linux/of_fdt.h>
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| #include <linux/of.h>
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| #include <linux/of_platform.h>
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| #include <linux/pda_power.h>
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| #include <linux/platform_device.h>
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| #include <linux/serial_8250.h>
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| #include <linux/slab.h>
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| #include <linux/sys_soc.h>
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| #include <linux/usb/tegra_usb_phy.h>
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| 
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| #include <linux/firmware/trusted_foundations.h>
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| 
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| #include <soc/tegra/fuse.h>
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| #include <soc/tegra/pmc.h>
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| 
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| #include <asm/firmware.h>
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| #include <asm/hardware/cache-l2x0.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/mach-types.h>
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| #include <asm/setup.h>
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| 
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| #include "board.h"
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| #include "common.h"
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| #include "cpuidle.h"
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| #include "iomap.h"
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| #include "irq.h"
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| #include "pm.h"
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| #include "reset.h"
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| #include "sleep.h"
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| 
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| /*
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|  * Storage for debug-macro.S's state.
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|  *
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|  * This must be in .data not .bss so that it gets initialized each time the
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|  * kernel is loaded. The data is declared here rather than debug-macro.S so
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|  * that multiple inclusions of debug-macro.S point at the same data.
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|  */
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| u32 tegra_uart_config[3] = {
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| 	/* Debug UART initialization required */
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| 	1,
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| 	/* Debug UART physical address */
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| 	0,
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| 	/* Debug UART virtual address */
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| 	0,
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| };
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| 
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| static void __init tegra_init_early(void)
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| {
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| 	of_register_trusted_foundations();
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| 	tegra_cpu_reset_handler_init();
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| 	call_firmware_op(l2x0_init);
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| }
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| 
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| static void __init tegra_dt_init_irq(void)
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| {
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| 	tegra_init_irq();
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| 	irqchip_init();
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| }
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| 
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| static void __init tegra_dt_init(void)
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| {
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| 	struct device *parent = tegra_soc_device_register();
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| 
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| 	of_platform_default_populate(NULL, NULL, parent);
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| }
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| 
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| static void __init tegra_dt_init_late(void)
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| {
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| 	tegra_init_suspend();
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| 	tegra_cpuidle_init();
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| 
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| 	if (IS_ENABLED(CONFIG_ARCH_TEGRA_2x_SOC) &&
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| 	    of_machine_is_compatible("compal,paz00"))
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| 		tegra_paz00_wifikill_init();
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| 
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| 	if (IS_ENABLED(CONFIG_ARCH_TEGRA_2x_SOC) &&
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| 	    of_machine_is_compatible("nvidia,tegra20"))
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| 		platform_device_register_simple("tegra20-cpufreq", -1, NULL, 0);
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| }
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| 
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| static const char * const tegra_dt_board_compat[] = {
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| 	"nvidia,tegra124",
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| 	"nvidia,tegra114",
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| 	"nvidia,tegra30",
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| 	"nvidia,tegra20",
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| 	NULL
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| };
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| 
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| DT_MACHINE_START(TEGRA_DT, "NVIDIA Tegra SoC (Flattened Device Tree)")
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| 	.l2c_aux_val	= 0x3c400001,
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| 	.l2c_aux_mask	= 0xc20fc3fe,
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| 	.smp		= smp_ops(tegra_smp_ops),
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| 	.map_io		= tegra_map_common_io,
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| 	.init_early	= tegra_init_early,
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| 	.init_irq	= tegra_dt_init_irq,
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| 	.init_machine	= tegra_dt_init,
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| 	.init_late	= tegra_dt_init_late,
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| 	.dt_compat	= tegra_dt_board_compat,
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| MACHINE_END
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