95 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			95 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
| // SPDX-License-Identifier: GPL-2.0
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| /*
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|  * Copyright (C) 2021 - 2022, Xilinx, Inc.
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|  * Copyright (C) 2022, Advanced Micro Devices, Inc.
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|  *
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|  * Michal Simek <michal.simek@amd.com>
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|  */
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| 
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| #include <common.h>
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| #include <init.h>
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| #include <asm/armv8/mmu.h>
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| #include <asm/cache.h>
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| #include <asm/global_data.h>
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| #include <asm/io.h>
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| #include <asm/arch/hardware.h>
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| #include <asm/arch/sys_proto.h>
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| #include <asm/cache.h>
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| #include <dm/platdata.h>
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| 
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| DECLARE_GLOBAL_DATA_PTR;
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| 
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| #define VERSAL_NET_MEM_MAP_USED	5
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| 
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| #define DRAM_BANKS CONFIG_NR_DRAM_BANKS
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| 
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| /* +1 is end of list which needs to be empty */
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| #define VERSAL_NET_MEM_MAP_MAX (VERSAL_NET_MEM_MAP_USED + DRAM_BANKS + 1)
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| 
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| static struct mm_region versal_mem_map[VERSAL_NET_MEM_MAP_MAX] = {
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| 	{
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| 		.virt = 0x80000000UL,
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| 		.phys = 0x80000000UL,
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| 		.size = 0x70000000UL,
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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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| 		.virt = 0xf0000000UL,
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| 		.phys = 0xf0000000UL,
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| 		.size = 0x0fe00000UL,
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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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| 		.virt = 0x400000000UL,
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| 		.phys = 0x400000000UL,
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| 		.size = 0x200000000UL,
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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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| 		.virt = 0x600000000UL,
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| 		.phys = 0x600000000UL,
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| 		.size = 0x800000000UL,
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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 = 0xe00000000UL,
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| 		.phys = 0xe00000000UL,
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| 		.size = 0xf200000000UL,
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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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| 
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| void mem_map_fill(void)
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| {
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| 	int banks = VERSAL_NET_MEM_MAP_USED;
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| 
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| 	for (int i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
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| 		/* Zero size means no more DDR that's this is end */
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| 		if (!gd->bd->bi_dram[i].size)
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| 			break;
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| 
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| 		versal_mem_map[banks].virt = gd->bd->bi_dram[i].start;
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| 		versal_mem_map[banks].phys = gd->bd->bi_dram[i].start;
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| 		versal_mem_map[banks].size = gd->bd->bi_dram[i].size;
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| 		versal_mem_map[banks].attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
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| 					      PTE_BLOCK_INNER_SHARE;
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| 		banks = banks + 1;
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| 	}
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| }
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| 
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| struct mm_region *mem_map = versal_mem_map;
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| 
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| u64 get_page_table_size(void)
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| {
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| 	return 0x14000;
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| }
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| 
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| U_BOOT_DRVINFO(soc_xilinx_versal_net) = {
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| 	.name = "soc_xilinx_versal_net",
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| };
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