| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright 2014 Google Inc. |
| * |
| * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include <arch/exception.h> |
| #include <arch/hlt.h> |
| #include <bootblock_common.h> |
| #include <cbfs.h> |
| #include <console/console.h> |
| #include <soc/clock.h> |
| #include <soc/nvidia/tegra/apbmisc.h> |
| #include <arch/stages.h> |
| |
| #include "pinmux.h" |
| #include "power.h" |
| |
| void main(void) |
| { |
| void *entry; |
| |
| // enable pinmux clamp inputs |
| clamp_tristate_inputs(); |
| |
| // enable JTAG at the earliest stage |
| enable_jtag(); |
| |
| clock_early_uart(); |
| |
| // Serial out, tristate off. |
| pinmux_set_config(PINMUX_KB_ROW9_INDEX, PINMUX_KB_ROW9_FUNC_UA3); |
| // Serial in, tristate_on. |
| pinmux_set_config(PINMUX_KB_ROW10_INDEX, PINMUX_KB_ROW10_FUNC_UA3 | |
| PINMUX_PULL_UP | |
| PINMUX_INPUT_ENABLE); |
| // Mux some pins away from uart A. |
| pinmux_set_config(PINMUX_UART2_CTS_N_INDEX, |
| PINMUX_UART2_CTS_N_FUNC_UB3 | |
| PINMUX_INPUT_ENABLE); |
| pinmux_set_config(PINMUX_UART2_RTS_N_INDEX, |
| PINMUX_UART2_RTS_N_FUNC_UB3); |
| |
| if (CONFIG_BOOTBLOCK_CONSOLE) { |
| console_init(); |
| exception_init(); |
| printk(BIOS_INFO, "T132: Bootblock here\n"); |
| } |
| |
| clock_init(); |
| |
| printk(BIOS_INFO, "T132 bootblock: Clock init done\n"); |
| |
| bootblock_mainboard_init(); |
| |
| printk(BIOS_INFO, "T132 bootblock: Mainboard bootblock init done\n"); |
| |
| entry = cbfs_load_stage(CBFS_DEFAULT_MEDIA, |
| CONFIG_CBFS_PREFIX "/romstage"); |
| |
| if (entry) { |
| printk(BIOS_INFO, "T132 bootblock: jumping to romstage\n"); |
| stage_exit(entry); |
| } else { |
| printk(BIOS_INFO, "T132 bootblock: fallback/romstage not found\n"); |
| } |
| |
| hlt(); |
| } |