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authorKatie Roberts-Hoffman <katierh@chromium.org>2014-11-19 18:17:52 -0800
committerPatrick Georgi <pgeorgi@google.com>2015-04-10 20:51:11 +0200
commitf757bf8e769333f850e03f150d1973862a978644 (patch)
tree62906a69481febb5027630f9494435b1503f72d6 /src/mainboard/google/veyron_mighty/bootblock.c
parent40f558e8f4f77ab70a8a2eb9bdfa850e362cb553 (diff)
downloadcoreboot-f757bf8e769333f850e03f150d1973862a978644.tar.xz
Add google/veyron_mighty board
Essentially a copy of veyron_jerry for now. BUG=chrome-os-partner:33269 TEST=build Change-Id: Ie2d115d57fe4b6359fa6bb16a2e85e88ec99e991 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: 9ec25b9cf2985786e55f0b85c3849ccbd42bddd4 Original-Change-Id: Icc45c8f8bf9f6916ba7187dde277d15cc60df8a2 Original-Signed-off-by: Katie Roberts-Hoffman <katierh@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/230961 Original-Commit-Id: 407b8b74a068220d8051dd0d85d9c4ec3ea14d51 Original-Change-Id: I546dbc41ccd191159e96b851424fcb37902a57ec Original-Signed-off-by: Julius Werner <jwerner@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/231691 Reviewed-on: http://review.coreboot.org/9554 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/mainboard/google/veyron_mighty/bootblock.c')
-rw-r--r--src/mainboard/google/veyron_mighty/bootblock.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/src/mainboard/google/veyron_mighty/bootblock.c b/src/mainboard/google/veyron_mighty/bootblock.c
new file mode 100644
index 0000000000..30b00e1145
--- /dev/null
+++ b/src/mainboard/google/veyron_mighty/bootblock.c
@@ -0,0 +1,61 @@
+/*
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <arch/io.h>
+#include <bootblock_common.h>
+#include <delay.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_init(void)
+{
+ /* 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);
+ i2c_init(PMIC_BUS, 400*KHz);
+
+ /* Slowly raise to max CPU voltage to prevent overshoot */
+ rk808_configure_buck(PMIC_BUS, 1, 1200);
+ udelay(175);/* Must wait for voltage to stabilize,2mV/us */
+ rk808_configure_buck(PMIC_BUS, 1, 1400);
+ udelay(100);/* Must wait for voltage to stabilize,2mV/us */
+ rkclk_configure_cpu();
+
+ /* i2c1 for tpm */
+ writel(IOMUX_I2C1, &rk3288_grf->iomux_i2c1);
+
+ /* spi2 for firmware ROM */
+ writel(IOMUX_SPI2_CSCLK, &rk3288_grf->iomux_spi2csclk);
+ writel(IOMUX_SPI2_TXRX, &rk3288_grf->iomux_spi2txrx);
+ rockchip_spi_init(CONFIG_BOOT_MEDIA_SPI_BUS, 11*MHz);
+
+ /* spi0 for chrome ec */
+ writel(IOMUX_SPI0, &rk3288_grf->iomux_spi0);
+ rockchip_spi_init(CONFIG_EC_GOOGLE_CHROMEEC_SPI_BUS, 9*MHz);
+
+ setup_chromeos_gpios();
+}