/* * (C) Copyright 2012-2013 Henrik Nordstrom * (C) Copyright 2013 Luke Kenneth Casson Leighton * * (C) Copyright 2007-2011 * Allwinner Technology Co., Ltd. * Tom Cubie * * Some board init for the Allwinner A10-evb board. * * SPDX-License-Identifier: GPL-2.0+ */ #include #include #include DECLARE_GLOBAL_DATA_PTR; /* add board specific code here */ int board_init(void) { int id_pfr1; gd->bd->bi_boot_params = (PHYS_SDRAM_0 + 0x100); asm volatile("mrc p15, 0, %0, c0, c1, 1" : "=r"(id_pfr1)); debug("id_pfr1: 0x%08x\n", id_pfr1); /* Generic Timer Extension available? */ if ((id_pfr1 >> 16) & 0xf) { debug("Setting CNTFRQ\n"); /* CNTFRQ == 24 MHz */ asm volatile("mcr p15, 0, %0, c14, c0, 0" : : "r"(24000000)); } return 0; } int dram_init(void) { gd->ram_size = get_ram_size((long *)PHYS_SDRAM_0, PHYS_SDRAM_0_SIZE); return 0; } #ifdef CONFIG_SPL_BUILD void sunxi_board_init(void) { unsigned long ramsize; printf("DRAM:"); ramsize = sunxi_dram_init(); printf(" %lu MiB\n", ramsize >> 20); if (!ramsize) hang(); } #endif