/* * Copyright (C) 2010 Albert ARIBAUD * * Based on original Kirkwood support which is * (C) Copyright 2009 * Marvell Semiconductor * Written-by: Prafulla Wadaskar * * SPDX-License-Identifier: GPL-2.0+ */ #include #include #include DECLARE_GLOBAL_DATA_PTR; /* * orion5x_sdram_bar - reads SDRAM Base Address Register */ u32 orion5x_sdram_bar(enum memory_bank bank) { struct orion5x_ddr_addr_decode_registers *winregs = (struct orion5x_ddr_addr_decode_registers *) ORION5X_DRAM_BASE; u32 result = 0; u32 enable = 0x01 & winregs[bank].size; if ((!enable) || (bank > BANK3)) return 0; result = winregs[bank].base; return result; } int dram_init (void) { /* dram_init must store complete ramsize in gd->ram_size */ gd->ram_size = get_ram_size( (long *) orion5x_sdram_bar(0), CONFIG_MAX_RAM_BANK_SIZE); return 0; } void dram_init_banksize (void) { int i; for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { gd->bd->bi_dram[i].start = orion5x_sdram_bar(i); gd->bd->bi_dram[i].size = get_ram_size( (long *) (gd->bd->bi_dram[i].start), CONFIG_MAX_RAM_BANK_SIZE); } }