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	Add support for Amlogic A1 SoC family. Signed-off-by: Igor Prusov <ivprusov@sberdevices.ru> Signed-off-by: Evgeny Bachinin <eabachinin@sberdevices.ru> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://lore.kernel.org/r/20230505125639.3605-4-ivprusov@sberdevices.ru Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
		
			
				
	
	
		
			60 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			60 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0+
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| /*
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|  * (C) Copyright 2023 SberDevices, Inc.
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|  */
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| 
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| #include <common.h>
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| #include <asm/arch/a1.h>
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| #include <asm/arch/boot.h>
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| #include <asm/armv8/mmu.h>
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| #include <asm/io.h>
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| #include <linux/compiler.h>
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| #include <linux/sizes.h>
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| 
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| phys_size_t get_effective_memsize(void)
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| {
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| 	return ((readl(A1_SYSCTRL_SEC_STATUS_REG4) & A1_SYSCTRL_MEM_SIZE_MASK)
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| 		>> A1_SYSCTRL_MEM_SIZE_SHIFT) * SZ_1M;
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| }
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| 
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| void meson_init_reserved_memory(__maybe_unused void *fdt)
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| {
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| }
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| 
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| int meson_get_boot_device(void)
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| {
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| 	return -ENOSYS;
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| }
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| 
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| static struct mm_region a1_mem_map[] = {
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| 	{
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| 		.virt = 0x00000000UL,
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| 		.phys = 0x00000000UL,
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| 		.size = 0x80000000UL,
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| 		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
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| 			PTE_BLOCK_INNER_SHARE
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| 	}, {
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| 		.virt = 0x80000000UL,
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| 		.phys = 0x80000000UL,
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| 		.size = 0x7FE00000UL,
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| 		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
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| 			PTE_BLOCK_NON_SHARE |
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| 			PTE_BLOCK_PXN | PTE_BLOCK_UXN
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| 	}, {
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| 		/*
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| 		 * This mem region contains in/out shared memory with bl31,
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| 		 * hence it's marked as NORMAL memory type
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| 		 */
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| 		.virt = 0xFFE00000UL,
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| 		.phys = 0xFFE00000UL,
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| 		.size = 0x00200000UL,
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| 		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
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| 			PTE_BLOCK_INNER_SHARE
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| 	}, {
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| 		/* List terminator */
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| 		0,
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| 	}
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| };
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| 
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| struct mm_region *mem_map = a1_mem_map;
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