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Diffstat (limited to 'src/mainboard/google/veyron_mickey/bootblock.c')
-rw-r--r--src/mainboard/google/veyron_mickey/bootblock.c76
1 files changed, 76 insertions, 0 deletions
diff --git a/src/mainboard/google/veyron_mickey/bootblock.c b/src/mainboard/google/veyron_mickey/bootblock.c
new file mode 100644
index 0000000000..a4a756d283
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+++ b/src/mainboard/google/veyron_mickey/bootblock.c
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+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2014 Rockchip Inc.
+ * 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.
+ */
+
+#include <arch/io.h>
+#include <assert.h>
+#include <bootblock_common.h>
+#include <console/console.h>
+#include <delay.h>
+#include <reset.h>
+#include <soc/clock.h>
+#include <soc/i2c.h>
+#include <soc/grf.h>
+#include <soc/pmu.h>
+#include <soc/rk808.h>
+#include <soc/spi.h>
+#include <vendorcode/google/chromeos/chromeos.h>
+
+#include "board.h"
+
+void bootblock_mainboard_early_init()
+{
+ if (IS_ENABLED(CONFIG_DRIVERS_UART)) {
+ assert(CONFIG_CONSOLE_SERIAL_UART_ADDRESS == UART2_BASE);
+ write32(&rk3288_grf->iomux_uart2, IOMUX_UART2);
+ }
+
+}
+
+void bootblock_mainboard_init(void)
+{
+ if (rkclk_was_watchdog_reset())
+ reboot_from_watchdog();
+
+ gpio_output(GPIO(7, A, 0), 1); /* Power LED */
+
+ /* Up VDD_CPU (BUCK1) to 1.4V to support max CPU frequency (1.8GHz). */
+ setbits_le32(&rk3288_pmu->iomux_i2c0scl, IOMUX_I2C0SCL);
+ setbits_le32(&rk3288_pmu->iomux_i2c0sda, IOMUX_I2C0SDA);
+ assert(CONFIG_PMIC_BUS == 0); /* must correspond with IOMUX */
+ i2c_init(CONFIG_PMIC_BUS, 400*KHz);
+
+ /* Slowly raise to max CPU voltage to prevent overshoot */
+ rk808_configure_buck(1, 1200);
+ udelay(175);/* Must wait for voltage to stabilize,2mV/us */
+ rk808_configure_buck(1, 1400);
+ udelay(100);/* Must wait for voltage to stabilize,2mV/us */
+ rkclk_configure_cpu();
+
+ /* i2c1 for tpm */
+ write32(&rk3288_grf->iomux_i2c1, IOMUX_I2C1);
+ i2c_init(1, 400*KHz);
+
+ /* spi2 for firmware ROM */
+ write32(&rk3288_grf->iomux_spi2csclk, IOMUX_SPI2_CSCLK);
+ write32(&rk3288_grf->iomux_spi2txrx, IOMUX_SPI2_TXRX);
+ rockchip_spi_init(CONFIG_BOOT_MEDIA_SPI_BUS, 24750*KHz);
+
+ setup_chromeos_gpios();
+}