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	We can remove common.h from most cases of the code here, and only a few places need an additional header instead. Signed-off-by: Tom Rini <trini@konsulko.com> Reviewed-by: Rick Chen <rick@andestech.com>
		
			
				
	
	
		
			38 lines
		
	
	
		
			731 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			38 lines
		
	
	
		
			731 B
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0+
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| /*
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|  * Copyright (C) 2018, Bin Meng <bmeng.cn@gmail.com>
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|  */
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| 
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| #include <fdtdec.h>
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| #include <init.h>
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| #include <linux/sizes.h>
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| 
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| DECLARE_GLOBAL_DATA_PTR;
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| 
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| int dram_init(void)
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| {
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| 	return fdtdec_setup_mem_size_base();
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| }
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| 
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| int dram_init_banksize(void)
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| {
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| 	return fdtdec_setup_memory_banksize();
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| }
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| 
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| phys_addr_t board_get_usable_ram_top(phys_size_t total_size)
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| {
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| #ifdef CONFIG_64BIT
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| 	/*
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| 	 * Ensure that we run from first 4GB so that all
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| 	 * addresses used by U-Boot are 32bit addresses.
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| 	 *
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| 	 * This in-turn ensures that 32bit DMA capable
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| 	 * devices work fine because DMA mapping APIs will
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| 	 * provide 32bit DMA addresses only.
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| 	 */
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| 	if (gd->ram_top > SZ_4G)
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| 		return SZ_4G;
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| #endif
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| 	return gd->ram_top;
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| }
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