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	Provide a function to locate this information, rather than doing it automatically on startup, to save space in global_data. Signed-off-by: Simon Glass <sjg@chromium.org>
		
			
				
	
	
		
			53 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			53 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0+
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| /*
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|  * Passing basic information from SPL to U-Boot proper
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|  *
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|  * Copyright 2018 Google, Inc
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|  */
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| 
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| #include <bloblist.h>
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| #include <handoff.h>
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| #include <asm/global_data.h>
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| 
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| DECLARE_GLOBAL_DATA_PTR;
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| 
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| void handoff_save_dram(struct spl_handoff *ho)
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| {
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| 	struct bd_info *bd = gd->bd;
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| 	int i;
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| 
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| 	ho->ram_size = gd->ram_size;
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| 
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| 	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
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| 		ho->ram_bank[i].start = bd->bi_dram[i].start;
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| 		ho->ram_bank[i].size = bd->bi_dram[i].size;
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| 	}
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| }
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| 
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| void handoff_load_dram_size(struct spl_handoff *ho)
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| {
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| 	gd->ram_size = ho->ram_size;
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| }
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| 
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| void handoff_load_dram_banks(struct spl_handoff *ho)
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| {
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| 	struct bd_info *bd = gd->bd;
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| 	int i;
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| 
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| 	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
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| 		bd->bi_dram[i].start = ho->ram_bank[i].start;
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| 		bd->bi_dram[i].size = ho->ram_bank[i].size;
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| 	}
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| }
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| 
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| struct spl_handoff *handoff_get(void)
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| {
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| 	struct spl_handoff *handoff;
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| 
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| 	handoff = bloblist_find(BLOBLISTT_U_BOOT_SPL_HANDOFF,
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| 				sizeof(struct spl_handoff));
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| 	debug("Found SPL hand-off info %p\n", handoff);
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| 
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| 	return handoff;
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| }
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