From fd49d6faf98eb45006a20869da798558cea9606e Mon Sep 17 00:00:00 2001 From: Patrick Georgi Date: Mon, 22 Jun 2015 19:43:18 +0200 Subject: google/foster: add new mainboard This is an nvidia t210 based board. This includes Chrome OS downstream up to Change-Id: Ic89ed54c. Change-Id: I8630e86a4b0e8756693f8989ce147d6d762cefe1 Signed-off-by: Patrick Georgi Reviewed-on: http://review.coreboot.org/10634 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer --- src/mainboard/google/foster/bootblock.c | 95 +++++++++++++++++++++++++++++++++ 1 file changed, 95 insertions(+) create mode 100644 src/mainboard/google/foster/bootblock.c (limited to 'src/mainboard/google/foster/bootblock.c') diff --git a/src/mainboard/google/foster/bootblock.c b/src/mainboard/google/foster/bootblock.c new file mode 100644 index 0000000000..e2ad465e6e --- /dev/null +++ b/src/mainboard/google/foster/bootblock.c @@ -0,0 +1,95 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2014 Google Inc. + * Copyright (c) 2015, NVIDIA CORPORATION. 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. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include /* FIXME: move back to soc code? */ + +#include "pmic.h" + +static const struct pad_config pmic_pads[] = { + PAD_CFG_SFIO(PWR_I2C_SCL, PINMUX_INPUT_ENABLE, I2CPMU), + PAD_CFG_SFIO(PWR_I2C_SDA, PINMUX_INPUT_ENABLE, I2CPMU), +}; + +static const struct pad_config spiflash_pads[] = { + /* QSPI fLash: mosi, miso, clk, cs0, hold, wp */ + PAD_CFG_SFIO(QSPI_IO0, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, QSPI), + PAD_CFG_SFIO(QSPI_IO1, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, QSPI), + PAD_CFG_SFIO(QSPI_SCK, PINMUX_INPUT_ENABLE, QSPI), + PAD_CFG_SFIO(QSPI_CS_N, PINMUX_INPUT_ENABLE, QSPI), + PAD_CFG_SFIO(QSPI_IO2, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, QSPI), + PAD_CFG_SFIO(QSPI_IO3, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, QSPI), +}; + +/********************* TPM ************************************/ +static const struct pad_config tpm_pads[] = { + PAD_CFG_SFIO(GEN3_I2C_SCL, PINMUX_INPUT_ENABLE, I2C3), + PAD_CFG_SFIO(GEN3_I2C_SDA, PINMUX_INPUT_ENABLE, I2C3), +}; + +static const struct funit_cfg funits[] = { + /* PMIC on I2C5 (PWR_I2C* pads) at 400kHz. */ + FUNIT_CFG(I2C5, PLLP, 400, pmic_pads, ARRAY_SIZE(pmic_pads)), + /* SPI flash at 24MHz on QSPI controller. */ + FUNIT_CFG(QSPI, PLLP, 24000, spiflash_pads, ARRAY_SIZE(spiflash_pads)), + /* Foster has no TPM yet. This is for futurn TPM on I2C3 @ 400kHz. */ + FUNIT_CFG(I2C3, PLLP, 400, tpm_pads, ARRAY_SIZE(tpm_pads)), +}; + +static const struct pad_config uart_console_pads[] = { + /* UARTA: tx, rx, rts, cts */ + PAD_CFG_SFIO(UART1_TX, PINMUX_PULL_NONE, UARTA), + PAD_CFG_SFIO(UART1_RX, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, UARTA), + PAD_CFG_SFIO(UART1_RTS, PINMUX_PULL_UP, UARTA), + PAD_CFG_SFIO(UART1_CTS, PINMUX_PULL_UP, UARTA), +}; + +void bootblock_mainboard_early_init(void) +{ + soc_configure_pads(uart_console_pads, ARRAY_SIZE(uart_console_pads)); +} + +static void set_clock_sources(void) +{ + /* UARTA gets PLLP, deactivate CLK_UART_DIV_OVERRIDE */ + write32(CLK_RST_REG(clk_src_uarta), PLLP << CLK_SOURCE_SHIFT); +} + +void bootblock_mainboard_init(void) +{ + set_clock_sources(); + + soc_configure_funits(funits, ARRAY_SIZE(funits)); + + i2c_init(I2CPWR_BUS); + pmic_init(I2CPWR_BUS); + + /* Foster has no TPM yet. This is for future TPM. */ + i2c_init(I2C3_BUS); +} -- cgit v1.2.3