diff options
author | huang lin <hl@rock-chips.com> | 2014-12-08 10:34:27 +0800 |
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committer | Stefan Reinauer <stefan.reinauer@coreboot.org> | 2015-04-15 07:30:52 +0200 |
commit | 346ea77c9da3701adbb7857de6f188d3b1d398fb (patch) | |
tree | b4d2cf7a00fe023c7d0bf34ae8daee3af5080eb5 /src/mainboard/google/veyron_speedy/bootblock.c | |
parent | dbfa9d5e8db75490669330301bd1661571f24cfc (diff) |
veyron: Add veyron_speedy board
Essentially a copy of veyron_jerry for now
BUG=chrome-os-partner:33269
TEST=emerge-veyron_speedy coreboot
BRANCH=None
Change-Id: If8f32122e301df1766bca68b11efd8afe8be5e87
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Original-Commit-Id: f49a151e1dd956ed2cf3ba0b1f9307442b61e639
Original-Change-Id: Ife457db4fd67fe69bcd4082694b3372eccfb304b
Original-Signed-off-by: huang lin <hl@rock-chips.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/233822
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: http://review.coreboot.org/9627
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marc.jones@se-eng.com>
Diffstat (limited to 'src/mainboard/google/veyron_speedy/bootblock.c')
-rw-r--r-- | src/mainboard/google/veyron_speedy/bootblock.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/mainboard/google/veyron_speedy/bootblock.c b/src/mainboard/google/veyron_speedy/bootblock.c new file mode 100644 index 0000000000..1e46ed025c --- /dev/null +++ b/src/mainboard/google/veyron_speedy/bootblock.c @@ -0,0 +1,71 @@ +/* + * 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 <assert.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_early_init() +{ + if (IS_ENABLED(CONFIG_CONSOLE_SERIAL_UART)) { + assert(CONFIG_CONSOLE_SERIAL_UART_ADDRESS == UART2_BASE); + writel(IOMUX_UART2, &rk3288_grf->iomux_uart2); + } + +} + +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(); +} |