/* * Copyright (C) 2013 The ChromeOS Authors * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; version 2 of * the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #include #include #include #include void hardwaremain(int boot_complete); void main(void) { console_init(); printk(BIOS_INFO, "hello from ramstage\n"); /* place at top of physical memory */ high_tables_size = CONFIG_COREBOOT_TABLES_SIZE; high_tables_base = CONFIG_SYS_SDRAM_BASE + ((CONFIG_DRAM_SIZE_MB << 20UL) * CONFIG_NR_DRAM_BANKS) - CONFIG_COREBOOT_TABLES_SIZE; const unsigned epll_hz = 192000000; const unsigned sample_rate = 48000; const unsigned lr_frame_size = 256; clock_epll_set_rate(epll_hz); clock_select_i2s_clk_source(); clock_set_i2s_clk_prescaler(epll_hz, sample_rate * lr_frame_size); power_enable_xclkout(); hardwaremain(0); }