xref: /rk3399_rockchip-uboot/arch/x86/cpu/efi/sdram.c (revision 76b00aca4f1c13bc8f91a539e612abc70d0c692f)
13dcdd17bSBen Stoltz /*
23dcdd17bSBen Stoltz  * Copyright (c) 2015 Google, Inc
33dcdd17bSBen Stoltz  *
43dcdd17bSBen Stoltz  * SPDX-License-Identifier:	GPL-2.0+
53dcdd17bSBen Stoltz  */
63dcdd17bSBen Stoltz 
73dcdd17bSBen Stoltz #include <common.h>
83dcdd17bSBen Stoltz #include <efi.h>
93dcdd17bSBen Stoltz #include <asm/u-boot-x86.h>
103dcdd17bSBen Stoltz 
113dcdd17bSBen Stoltz DECLARE_GLOBAL_DATA_PTR;
123dcdd17bSBen Stoltz 
board_get_usable_ram_top(ulong total_size)133dcdd17bSBen Stoltz ulong board_get_usable_ram_top(ulong total_size)
143dcdd17bSBen Stoltz {
153dcdd17bSBen Stoltz 	return (ulong)efi_get_ram_base() + gd->ram_size;
163dcdd17bSBen Stoltz }
173dcdd17bSBen Stoltz 
dram_init(void)183dcdd17bSBen Stoltz int dram_init(void)
193dcdd17bSBen Stoltz {
203dcdd17bSBen Stoltz 	/* gd->ram_size is set as part of EFI init */
213dcdd17bSBen Stoltz 
223dcdd17bSBen Stoltz 	return 0;
233dcdd17bSBen Stoltz }
243dcdd17bSBen Stoltz 
dram_init_banksize(void)25*76b00acaSSimon Glass int dram_init_banksize(void)
263dcdd17bSBen Stoltz {
273dcdd17bSBen Stoltz 	gd->bd->bi_dram[0].start = efi_get_ram_base();
283dcdd17bSBen Stoltz 	gd->bd->bi_dram[0].size = CONFIG_EFI_RAM_SIZE;
29*76b00acaSSimon Glass 
30*76b00acaSSimon Glass 	return 0;
313dcdd17bSBen Stoltz }
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