2 * Copyright (C) 2016 Imagination Technologies
4 * SPDX-License-Identifier: GPL-2.0
11 #include "boston-regs.h"
13 DECLARE_GLOBAL_DATA_PTR;
17 u32 ddrconf0 = __raw_readl((uint32_t *)BOSTON_PLAT_DDRCONF0);
19 gd->ram_size = (phys_size_t)(ddrconf0 & BOSTON_PLAT_DDRCONF0_SIZE) <<
25 ulong board_get_usable_ram_top(ulong total_size)
27 DECLARE_GLOBAL_DATA_PTR;
29 if (gd->ram_top < CONFIG_SYS_SDRAM_BASE) {
30 /* 2GB wrapped around to 0 */
31 return CKSEG0ADDR(256 << 20);
34 return min_t(unsigned long, gd->ram_top, CKSEG0ADDR(256 << 20));