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mainboard/intel/galileo: Add GPIO initialization 

Add Kconfig to configure coreboot for a specific Galileo board.
Configure the GPIOs for the specific Galileo board.

TEST=Build and run on Galileo Gen2

Change-Id: I992460d506b5543915c27f6a531da4b1a53d6505
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: https://review.coreboot.org/14826
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
This commit is contained in:
Lee Leahy 2016-05-15 13:52:36 -07:00 committed by Leroy P Leahy
parent 0ba307f0fe
commit 274d20a065
5 changed files with 147 additions and 0 deletions
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9
src/mainboard/intel/galileo/Kconfig
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@ -34,4 +34,13 @@ config MAINBOARD_VENDOR
string
default "Intel"
config GALILEO_GEN2
bool "Board generation: GEN1 (n) or GEN2 (y)"
default y
help
The coreboot binary will configure only one generation of the Galileo
board since coreboot can not determine the board generation at
runtime. Select which generation of the Galileo that coreboot
should initialize.
endif # BOARD_INTEL_QUARK

2
src/mainboard/intel/galileo/Makefile.inc
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@ -14,3 +14,5 @@
##
CPPFLAGS_common += -I$(src)/vendorcode/intel/fsp/fsp1_1/quark
romstage-y += gpio.c

53
src/mainboard/intel/galileo/gen1.h Normal file
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@ -0,0 +1,53 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2016 Intel Corp.
*
* 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.
*/
static const struct reg_script gen1_gpio_init[] = {
/* Initialize the legacy GPIO controller */
REG_LEG_GPIO_WRITE(R_QNC_GPIO_CGEN_CORE_WELL, 0x03),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_CGIO_CORE_WELL, 0x00),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_CGLVL_CORE_WELL, 0x00),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_CGTPE_CORE_WELL, 0x00),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_CGTNE_CORE_WELL, 0x00),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_CGGPE_CORE_WELL, 0x00),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_CGSMI_CORE_WELL, 0x00),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_CGTS_CORE_WELL, 0x03),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_CNMIEN_CORE_WELL, 0x00),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_RGEN_RESUME_WELL, 0x3f),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_RGIO_RESUME_WELL, 0x21),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_RGLVL_RESUME_WELL, 0x14),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_RGTPE_RESUME_WELL, 0x00),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_RGTNE_RESUME_WELL, 0x00),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_RGGPE_RESUME_WELL, 0x00),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_RGSMI_RESUME_WELL, 0x00),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_RGTS_RESUME_WELL, 0x3f),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_RNMIEN_RESUME_WELL, 0x00),
/* Initialize the GPIO controller */
REG_GPIO_WRITE(GPIO_INTEN, 0),
REG_GPIO_WRITE(GPIO_INTSTATUS, 0),
REG_GPIO_WRITE(GPIO_SWPORTA_DR, 5),
REG_GPIO_WRITE(GPIO_SWPORTA_DDR, 0x15),
REG_GPIO_WRITE(GPIO_INTMASK, 0),
REG_GPIO_WRITE(GPIO_INTTYPE_LEVEL, 0),
REG_GPIO_WRITE(GPIO_INT_POLARITY, 0),
REG_GPIO_WRITE(GPIO_DEBOUNCE, 0),
REG_GPIO_WRITE(GPIO_LS_SYNC, 0),
/* Toggle the Cypress reset line */
REG_GPIO_OR(GPIO_SWPORTA_DR, BIT4),
REG_GPIO_AND(GPIO_SWPORTA_DR, ~BIT4),
REG_SCRIPT_END
};

50
src/mainboard/intel/galileo/gen2.h Normal file
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@ -0,0 +1,50 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2016 Intel Corp.
*
* 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.
*/
static const struct reg_script gen2_gpio_init[] = {
/* Initialize the legacy GPIO controller */
REG_LEG_GPIO_WRITE(R_QNC_GPIO_CGEN_CORE_WELL, 0x03),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_CGIO_CORE_WELL, 0x03),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_CGLVL_CORE_WELL, 0x00),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_CGTPE_CORE_WELL, 0x00),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_CGTNE_CORE_WELL, 0x00),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_CGGPE_CORE_WELL, 0x00),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_CGSMI_CORE_WELL, 0x00),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_CGTS_CORE_WELL, 0x03),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_CNMIEN_CORE_WELL, 0x00),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_RGEN_RESUME_WELL, 0x3f),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_RGIO_RESUME_WELL, 0x1c),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_RGLVL_RESUME_WELL, 0x02),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_RGTPE_RESUME_WELL, 0x00),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_RGTNE_RESUME_WELL, 0x00),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_RGGPE_RESUME_WELL, 0x00),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_RGSMI_RESUME_WELL, 0x00),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_RGTS_RESUME_WELL, 0x3f),
REG_LEG_GPIO_WRITE(R_QNC_GPIO_RNMIEN_RESUME_WELL, 0x00),
/* Initialize the GPIO controller */
REG_GPIO_WRITE(GPIO_INTEN, 0),
REG_GPIO_WRITE(GPIO_INTSTATUS, 0),
REG_GPIO_WRITE(GPIO_SWPORTA_DR, 5),
REG_GPIO_WRITE(GPIO_SWPORTA_DDR, 5),
REG_GPIO_WRITE(GPIO_INTMASK, 0),
REG_GPIO_WRITE(GPIO_INTTYPE_LEVEL, 0),
REG_GPIO_WRITE(GPIO_INT_POLARITY, 0),
REG_GPIO_WRITE(GPIO_DEBOUNCE, 0),
REG_GPIO_WRITE(GPIO_LS_SYNC, 0),
REG_SCRIPT_END
};

33
src/mainboard/intel/galileo/gpio.c Normal file
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@ -0,0 +1,33 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2016 Intel Corp.
*
* 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.
*/
#include <arch/io.h>
#include <console/console.h>
#include <soc/ramstage.h>
#include <soc/reg_access.h>
#include "gen1.h"
#include "gen2.h"
void mainboard_gpio_init(void)
{
const struct reg_script *script;
/* Initialize the GPIO controllers */
if (IS_ENABLED(CONFIG_GALILEO_GEN2))
script = gen2_gpio_init;
else
script = gen1_gpio_init;
reg_script_run(script);
}