diff options
Diffstat (limited to 'src/mainboard/google/snow/romstage.c')
| -rw-r--r-- | src/mainboard/google/snow/romstage.c | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/src/mainboard/google/snow/romstage.c b/src/mainboard/google/snow/romstage.c deleted file mode 100644 index 9b35c4a6d4..0000000000 --- a/src/mainboard/google/snow/romstage.c +++ /dev/null @@ -1,178 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2012 The ChromiumOS Authors. All rights reserved. - * - * 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 <types.h> - -#include <armv7.h> -#include <cbfs.h> -#include <cbmem.h> - -#include <arch/cache.h> -#include <arch/exception.h> -#include <soc/samsung/exynos5250/i2c.h> -#include <soc/samsung/exynos5250/clk.h> -#include <soc/samsung/exynos5250/cpu.h> -#include <soc/samsung/exynos5250/dmc.h> -#include <soc/samsung/exynos5250/gpio.h> -#include <soc/samsung/exynos5250/setup.h> -#include <soc/samsung/exynos5250/periph.h> -#include <soc/samsung/exynos5250/power.h> -#include <soc/samsung/exynos5250/trustzone.h> -#include <soc/samsung/exynos5250/wakeup.h> -#include <console/console.h> -#include <arch/stages.h> - -#include <drivers/maxim/max77686/max77686.h> -#include <device/i2c.h> - -#include "exynos5250.h" - -#define PMIC_BUS 0 - -static void setup_power(int is_resume) -{ - int error = 0; - - power_init(); - - if (is_resume) { - return; - } - - /* Initialize I2C bus to configure PMIC. */ - exynos_pinmux_i2c0(); - i2c_init(0, I2C_0_SPEED, 0x00); - - printk(BIOS_DEBUG, "%s: Setting up PMIC...\n", __func__); - /* - * We're using CR1616 coin cell battery that is non-rechargeable - * battery. But, BBCHOSTEN bit of the BBAT Charger Register in - * MAX77686 is enabled by default for charging coin cell. - * - * Also, we cannot meet the coin cell reverse current spec. in UL - * standard if BBCHOSTEN bit is enabled. - * - * Disable Coin BATT Charging - */ - error = max77686_disable_backup_batt(PMIC_BUS); - - error |= max77686_volsetting(PMIC_BUS, PMIC_BUCK2, VDD_ARM_MV, - REG_ENABLE, MAX77686_MV); - error |= max77686_volsetting(PMIC_BUS, PMIC_BUCK3, VDD_INT_UV, - REG_ENABLE, MAX77686_UV); - error |= max77686_volsetting(PMIC_BUS, PMIC_BUCK1, VDD_MIF_MV, - REG_ENABLE, MAX77686_MV); - error |= max77686_volsetting(PMIC_BUS, PMIC_BUCK4, VDD_G3D_MV, - REG_ENABLE, MAX77686_MV); - error |= max77686_volsetting(PMIC_BUS, PMIC_LDO2, VDD_LDO2_MV, - REG_ENABLE, MAX77686_MV); - error |= max77686_volsetting(PMIC_BUS, PMIC_LDO3, VDD_LDO3_MV, - REG_ENABLE, MAX77686_MV); - error |= max77686_volsetting(PMIC_BUS, PMIC_LDO5, VDD_LDO5_MV, - REG_ENABLE, MAX77686_MV); - error |= max77686_volsetting(PMIC_BUS, PMIC_LDO10, VDD_LDO10_MV, - REG_ENABLE, MAX77686_MV); - - error |= max77686_enable_32khz_cp(PMIC_BUS); - - if (error) { - printk(BIOS_CRIT, "%s: PMIC error: %#x\n", __func__, error); - die("Failed to intialize PMIC.\n"); - } -} - -static void setup_graphics(void) -{ - exynos_pinmux_dphpd(); -} - -static void setup_gpio(void) -{ - gpio_direction_input(GPIO_D16); // WP_GPIO - gpio_set_pull(GPIO_D16, GPIO_PULL_NONE); - - gpio_direction_input(GPIO_Y10); // RECMODE_GPIO - gpio_set_pull(GPIO_Y10, GPIO_PULL_NONE); - - gpio_direction_input(GPIO_X35); // LID_GPIO - gpio_set_pull(GPIO_X35, GPIO_PULL_NONE); - - gpio_direction_input(GPIO_X13); // POWER_GPIO - gpio_set_pull(GPIO_X13, GPIO_PULL_NONE); -} - -static void setup_memory(struct mem_timings *mem, int is_resume) -{ - printk(BIOS_SPEW, "man: 0x%x type: 0x%x, div: 0x%x, mhz: %d\n", - mem->mem_manuf, - mem->mem_type, - mem->mpll_mdiv, - mem->frequency_mhz); - - if (ddr3_mem_ctrl_init(mem, DMC_INTERLEAVE_SIZE, !is_resume)) { - die("Failed to initialize memory controller.\n"); - } -} - -static struct mem_timings *setup_clock(void) -{ - struct mem_timings *mem = get_mem_timings(); - struct arm_clk_ratios *arm_ratios = get_arm_clk_ratios(); - if (!mem) { - die("Unable to auto-detect memory timings\n"); - } - system_clock_init(mem, arm_ratios); - return mem; -} - -void main(void) -{ - struct mem_timings *mem; - void *entry; - int is_resume = (get_wakeup_state() != IS_NOT_WAKEUP); - - /* Clock must be initialized before console_init, otherwise you may need - * to re-initialize serial console drivers again. */ - mem = setup_clock(); - - console_init(); - exception_init(); - - setup_power(is_resume); - setup_memory(mem, is_resume); - - /* This needs to happen on normal boots and on resume. */ - trustzone_init(); - - if (is_resume) { - wakeup(); - } - - setup_gpio(); - setup_graphics(); - - /* Set SPI (primary CBFS media) clock to 50MHz and configure pinmux. */ - exynos_pinmux_spi1(); - clock_set_rate(PERIPH_ID_SPI1, 50000000); - - cbmem_initialize_empty(); - - entry = cbfs_load_stage(CBFS_DEFAULT_MEDIA, "fallback/ramstage"); - stage_exit(entry); -} |