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authorDavid Hendricks <dhendrix@chromium.org>2015-05-13 13:58:24 -0700
committerPatrick Georgi <pgeorgi@google.com>2015-06-05 18:57:01 +0200
commit113ef81bf47872350195c8bad21dbf54c4ba1019 (patch)
treebf3378fc6cbfe352c0c8356bd6254a1c61a53002 /src/mainboard/google/veyron_mickey/bootblock.c
parent5b6645b78dedcc279acf524dfc671a82d88cb00c (diff)
google/veyron_mickey: Add new mainboard
This simply copies veyron_brain to veyron_mickey and makes the minimal set of changes (s/brain/mickey) to make it compile. The follow-up patch will take into account board differences. BUG=none BRANCH=none TEST="emerge-veyron_mickey coreboot" doesn't fail Change-Id: I7d029b36d2fb865446490b896117ade632325a52 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: 34f6b391290f99caf517d7e98c31c89dc57309be Original-Change-Id: I03a2b80eb441384f363910467180479521765431 Original-Signed-off-by: David Hendricks <dhendrix@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/271360 Original-Reviewed-by: Julius Werner <jwerner@chromium.org> Reviewed-on: http://review.coreboot.org/10408 Tested-by: build bot (Jenkins) Reviewed-by: David Hendricks <dhendrix@chromium.org>
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
--- /dev/null
+++ b/src/mainboard/google/veyron_mickey/bootblock.c
@@ -0,0 +1,76 @@
+/*
+ * 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();
+}