Add a kirby board which is mostly a copy of pit
Change-Id: Ic78c65486816015f7574a13affc6e54acbbea73e Signed-off-by: Gabe Black <gabeblack@google.com> Reviewed-on: https://gerrit.chromium.org/gerrit/63875 Commit-Queue: Gabe Black <gabeblack@chromium.org> Reviewed-by: Gabe Black <gabeblack@chromium.org> Tested-by: Gabe Black <gabeblack@chromium.org> Reviewed-on: http://review.coreboot.org/4411 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
This commit is contained in:
Gabe Black
Patrick Georgi
parent
74dbfc252f
commit
9245440eaf
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@ -32,6 +32,8 @@ config BOARD_GOOGLE_BUTTERFLY
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bool "Butterfly"
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config BOARD_GOOGLE_FALCO
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bool "Falco"
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config BOARD_GOOGLE_KIRBY
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bool "Kirby"
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config BOARD_GOOGLE_LINK
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bool "Link"
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config BOARD_GOOGLE_PARROT
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@ -52,6 +54,7 @@ endchoice
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source "src/mainboard/google/bolt/Kconfig"
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source "src/mainboard/google/butterfly/Kconfig"
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source "src/mainboard/google/falco/Kconfig"
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source "src/mainboard/google/kirby/Kconfig"
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source "src/mainboard/google/link/Kconfig"
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source "src/mainboard/google/parrot/Kconfig"
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source "src/mainboard/google/peppy/Kconfig"
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@ -0,0 +1,52 @@
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##
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## This file is part of the coreboot project.
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##
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## Copyright 2013 Google Inc.
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##
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## This program is free software; you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published by
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## the Free Software Foundation; version 2 of the License.
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##
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## This program is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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##
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## You should have received a copy of the GNU General Public License
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## along with this program; if not, write to the Free Software
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## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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##
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if BOARD_GOOGLE_KIRBY
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config BOARD_SPECIFIC_OPTIONS # dummy
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def_bool y
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select ARCH_ARMV7
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select CPU_SAMSUNG_EXYNOS5420
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select HAVE_UART_MEMORY_MAPPED
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select EC_GOOGLE_CHROMEEC
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select EC_GOOGLE_CHROMEEC_SPI
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select BOARD_ROMSIZE_KB_4096
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select MAINBOARD_HAS_CHROMEOS
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select MAINBOARD_HAS_NATIVE_VGA_INIT
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select MAINBOARD_DO_NATIVE_VGA_INIT
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select HAVE_INIT_TIMER
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select DRIVER_PARADE_PS8625
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config MAINBOARD_DIR
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string
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default google/kirby
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config MAINBOARD_PART_NUMBER
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string
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default "Kirby"
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config DRAM_SIZE_MB
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int
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default 4096
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config EC_GOOGLE_CHROMEEC_SPI_BUS
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hex
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default 2
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endif # BOARD_GOOGLE_PIT
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@ -0,0 +1,27 @@
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##
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## This file is part of the coreboot project.
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##
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## Copyright 2013 Google Inc.
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##
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## This program is free software; you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published by
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## the Free Software Foundation; version 2 of the License.
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##
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## This program is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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##
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## You should have received a copy of the GNU General Public License
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## along with this program; if not, write to the Free Software
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## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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##
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bootblock-y += wakeup.c
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romstage-y += memory.c
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romstage-y += romstage.c
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romstage-y += wakeup.c
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ramstage-y += mainboard.c
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ramstage-y += chromeos.c
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@ -0,0 +1,105 @@
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/*
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* This file is part of the coreboot project.
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*
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* Copyright 2013 Google Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <boot/coreboot_tables.h>
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#include <console/console.h>
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#include <ec/google/chromeec/ec.h>
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#include <ec/google/chromeec/ec_commands.h>
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#include <string.h>
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#include <vendorcode/google/chromeos/chromeos.h>
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#include <cpu/samsung/exynos5420/cpu.h>
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#include <cpu/samsung/exynos5420/gpio.h>
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enum {
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ACTIVE_LOW = 0,
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ACTIVE_HIGH = 1
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};
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void fill_lb_gpios(struct lb_gpios *gpios)
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{
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int count = 0;
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/* Write Protect: active low */
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gpios->gpios[count].port = EXYNOS5_GPX3;
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gpios->gpios[count].polarity = ACTIVE_LOW;
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gpios->gpios[count].value = gpio_get_value(GPIO_X30); // WP_GPIO
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strncpy((char *)gpios->gpios[count].name, "write protect",
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GPIO_MAX_NAME_LENGTH);
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count++;
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/* Recovery: active low */
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gpios->gpios[count].port = -1;
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gpios->gpios[count].polarity = ACTIVE_HIGH;
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gpios->gpios[count].value = get_recovery_mode_switch();
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strncpy((char *)gpios->gpios[count].name, "recovery",
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GPIO_MAX_NAME_LENGTH);
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count++;
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/* Lid: active high */
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gpios->gpios[count].port = EXYNOS5_GPX3;
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gpios->gpios[count].polarity = ACTIVE_HIGH;
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gpios->gpios[count].value = gpio_get_value(GPIO_X34); // LID_GPIO
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strncpy((char *)gpios->gpios[count].name, "lid", GPIO_MAX_NAME_LENGTH);
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count++;
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/* Power: virtual GPIO active low */
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gpios->gpios[count].port = EXYNOS5_GPX1;
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gpios->gpios[count].polarity = ACTIVE_LOW;
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gpios->gpios[count].value =
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gpio_get_value(GPIO_X12); // POWER_GPIO
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strncpy((char *)gpios->gpios[count].name, "power",
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GPIO_MAX_NAME_LENGTH);
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count++;
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/* Developer: virtual GPIO active high */
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gpios->gpios[count].port = -1;
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gpios->gpios[count].polarity = ACTIVE_HIGH;
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gpios->gpios[count].value = get_developer_mode_switch();
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strncpy((char *)gpios->gpios[count].name, "developer",
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GPIO_MAX_NAME_LENGTH);
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count++;
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gpios->size = sizeof(*gpios) + (count * sizeof(struct lb_gpio));
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gpios->count = count;
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printk(BIOS_ERR, "Added %d GPIOS size %d\n", count, gpios->size);
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}
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int get_developer_mode_switch(void)
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{
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return 0;
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}
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int get_recovery_mode_switch(void)
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{
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uint32_t ec_events;
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/* The GPIO is active low. */
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if (!gpio_get_value(GPIO_X07)) // RECMODE_GPIO
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return 1;
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ec_events = google_chromeec_get_events_b();
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return !!(ec_events &
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EC_HOST_EVENT_MASK(EC_HOST_EVENT_KEYBOARD_RECOVERY));
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}
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int get_recovery_mode_from_vbnv(void)
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{
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return 0;
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}
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@ -0,0 +1,35 @@
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##
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## This file is part of the coreboot project.
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##
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## Copyright 2013 Google Inc.
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##
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## This program is free software; you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published by
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## the Free Software Foundation; version 2 of the License.
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##
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## This program is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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##
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## You should have received a copy of the GNU General Public License
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## along with this program; if not, write to the Free Software
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## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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##
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chip cpu/samsung/exynos5420
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device cpu_cluster 0 on end
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register "xres" = "1366"
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register "yres" = "768"
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register "bpp" = "16"
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# complex magic timing!
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register "clkval_f" = "2"
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register "upper_margin" = "14"
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register "lower_margin" = "3"
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register "vsync" = "5"
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register "left_margin" = "80"
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register "right_margin" = "48"
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register "hsync" = "32"
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register "usb_vbus_gpio" = "GPIO_X11"
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register "usb_hsic_gpio" = "GPIO_E10"
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end
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@ -0,0 +1,34 @@
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/*
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* This file is part of the coreboot project.
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*
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* Copyright 2013 Google Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/* I2C */
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#define I2C_0_SPEED 100000
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#define I2C_4_SPEED 1000000 /* 1MHz */
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#define I2C_SLAVE 0
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/* Voltages */
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#define VDD_ARM_MV 1300 // 1.3V
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#define VDD_INT_UV 1012500 // 1.0125V
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#define VDD_MIF_MV 1000 // 1.0V
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#define VDD_G3D_MV 1200 // 1.2V
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#define VDD_LDO2_MV 1500 // 1.5V
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#define VDD_LDO3_MV 1800 // 1.8V
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#define VDD_LDO5_MV 1800 // 1.8V
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#define VDD_LDO10_MV 1800 // 1.8V
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@ -0,0 +1,384 @@
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/*
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* This file is part of the coreboot project.
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*
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* Copyright 2013 Google Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <console/console.h>
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#include <device/device.h>
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#include <device/i2c.h>
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#include <cbmem.h>
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#include <delay.h>
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#include <edid.h>
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#include <vbe.h>
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#include <boot/coreboot_tables.h>
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#include <arch/cache.h>
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#include <arch/exception.h>
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#include <cpu/samsung/exynos5420/tmu.h>
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#include <cpu/samsung/exynos5420/clk.h>
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#include <cpu/samsung/exynos5420/cpu.h>
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#include <cpu/samsung/exynos5420/gpio.h>
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#include <cpu/samsung/exynos5420/power.h>
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#include <cpu/samsung/exynos5420/i2c.h>
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#include <cpu/samsung/exynos5420/dp-core.h>
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#include <drivers/parade/ps8625/ps8625.h>
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#include <ec/google/chromeec/ec.h>
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#include <stdlib.h>
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#include "exynos5420.h"
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/* convenient shorthand (in MB) */
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#define DRAM_START (CONFIG_SYS_SDRAM_BASE >> 20)
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#define DRAM_SIZE CONFIG_DRAM_SIZE_MB
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#define DRAM_END (DRAM_START + DRAM_SIZE) /* plus one... */
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static struct edid edid = {
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.ha = 1366,
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.va = 768,
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.bpp = 16,
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.x_resolution = 1366,
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.y_resolution = 768,
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.bytes_per_line = 2 * 1366
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};
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static const struct parade_write parade_writes[] = {
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{ 0x02, 0xa1, 0x01 }, /* HPD low */
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/*
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* SW setting
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* [1:0] SW output 1.2V voltage is lower to 96%
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*/
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{ 0x04, 0x14, 0x01 },
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/*
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* RCO SS setting
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* [5:4] = b01 0.5%, b10 1%, b11 1.5%
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*/
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{ 0x04, 0xe3, 0x20 },
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{ 0x04, 0xe2, 0x80 }, /* [7] RCO SS enable */
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/*
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* RPHY Setting
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* [3:2] CDR tune wait cycle before
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* measure for fine tune b00: 1us,
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* 01: 0.5us, 10:2us, 11:4us.
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*/
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{ 0x04, 0x8a, 0x0c },
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{ 0x04, 0x89, 0x08 }, /* [3] RFD always on */
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/*
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* CTN lock in/out:
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* 20000ppm/80000ppm. Lock out 2
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* times.
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*/
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{ 0x04, 0x71, 0x2d },
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/*
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* 2.7G CDR settings
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* NOF=40LSB for HBR CDR setting
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*/
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{ 0x04, 0x7d, 0x07 },
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{ 0x04, 0x7b, 0x00 }, /* [1:0] Fmin=+4bands */
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{ 0x04, 0x7a, 0xfd }, /* [7:5] DCO_FTRNG=+-40% */
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/*
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* 1.62G CDR settings
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* [5:2]NOF=64LSB [1:0]DCO scale is 2/5
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*/
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{ 0x04, 0xc0, 0x12 },
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{ 0x04, 0xc1, 0x92 }, /* Gitune=-37% */
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{ 0x04, 0xc2, 0x1c }, /* Fbstep=100% */
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{ 0x04, 0x32, 0x80 }, /* [7] LOS signal disable */
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/*
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* RPIO Setting
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* [7:4] LVDS driver bias current :
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* 75% (250mV swing)
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*/
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{ 0x04, 0x00, 0xb0 },
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/*
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* [7:6] Right-bar GPIO output strength is 8mA
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*/
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{ 0x04, 0x15, 0x40 },
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/* EQ Training State Machine Setting */
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{ 0x04, 0x54, 0x10 }, /* RCO calibration start */
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/* [4:0] MAX_LANE_COUNT set to one lane */
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{ 0x01, 0x02, 0x81 },
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/* [4:0] LANE_COUNT_SET set to one lane */
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{ 0x01, 0x21, 0x81 },
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{ 0x00, 0x52, 0x20 },
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{ 0x00, 0xf1, 0x03 }, /* HPD CP toggle enable */
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{ 0x00, 0x62, 0x41 },
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/* Counter number, add 1ms counter delay */
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{ 0x00, 0xf6, 0x01 },
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/*
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* [6]PWM function control by
|
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* DPCD0040f[7], default is PWM
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* block always works.
|
||||
*/
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{ 0x00, 0x77, 0x06 },
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/*
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* 04h Adjust VTotal tolerance to
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||||
* fix the 30Hz no display issue
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||||
*/
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||||
{ 0x00, 0x4c, 0x04 },
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/* DPCD00400='h00, Parade OUI = 'h001cf8 */
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{ 0x01, 0xc0, 0x00 },
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{ 0x01, 0xc1, 0x1c }, /* DPCD00401='h1c */
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{ 0x01, 0xc2, 0xf8 }, /* DPCD00402='hf8 */
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/*
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* DPCD403~408 = ASCII code
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* D2SLV5='h4432534c5635
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||||
*/
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{ 0x01, 0xc3, 0x44 },
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{ 0x01, 0xc4, 0x32 }, /* DPCD404 */
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{ 0x01, 0xc5, 0x53 }, /* DPCD405 */
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{ 0x01, 0xc6, 0x4c }, /* DPCD406 */
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{ 0x01, 0xc7, 0x56 }, /* DPCD407 */
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{ 0x01, 0xc8, 0x35 }, /* DPCD408 */
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/*
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* DPCD40A, Initial Code major revision
|
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* '01'
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||||
*/
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||||
{ 0x01, 0xca, 0x01 },
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||||
/* DPCD40B, Initial Code minor revision '05' */
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{ 0x01, 0xcb, 0x05 },
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/* DPCD720, Select external PWM */
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{ 0x01, 0xa5, 0x80 },
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/*
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* Set LVDS output as 6bit-VESA mapping,
|
||||
* single LVDS channel
|
||||
*/
|
||||
{ 0x01, 0xcc, 0x13 },
|
||||
/* Enable SSC set by register */
|
||||
{ 0x02, 0xb1, 0x20 },
|
||||
/*
|
||||
* Set SSC enabled and +/-1% central
|
||||
* spreading
|
||||
*/
|
||||
{ 0x04, 0x10, 0x16 },
|
||||
/* MPU Clock source: LC => RCO */
|
||||
{ 0x04, 0x59, 0x60 },
|
||||
{ 0x04, 0x54, 0x14 }, /* LC -> RCO */
|
||||
{ 0x02, 0xa1, 0x91 } /* HPD high */
|
||||
};
|
||||
|
||||
/* TODO: transplanted DP stuff, clean up once we have something that works */
|
||||
static enum exynos5_gpio_pin dp_pd_l = GPIO_X35; /* active low */
|
||||
static enum exynos5_gpio_pin dp_rst_l = GPIO_Y77; /* active low */
|
||||
static enum exynos5_gpio_pin dp_hpd = GPIO_X26; /* active high */
|
||||
static enum exynos5_gpio_pin bl_pwm = GPIO_B20; /* active high */
|
||||
static enum exynos5_gpio_pin bl_en = GPIO_X22; /* active high */
|
||||
|
||||
static void parade_dp_bridge_setup(void)
|
||||
{
|
||||
gpio_set_value(dp_pd_l, 1);
|
||||
gpio_cfg_pin(dp_pd_l, GPIO_OUTPUT);
|
||||
gpio_set_pull(dp_pd_l, GPIO_PULL_NONE);
|
||||
|
||||
gpio_set_value(dp_rst_l, 0);
|
||||
gpio_cfg_pin(dp_rst_l, GPIO_OUTPUT);
|
||||
gpio_set_pull(dp_rst_l, GPIO_PULL_NONE);
|
||||
udelay(10);
|
||||
gpio_set_value(dp_rst_l, 1);
|
||||
|
||||
gpio_cfg_pin(dp_hpd, GPIO_INPUT);
|
||||
|
||||
/* De-assert PD (and possibly RST) to power up the bridge. */
|
||||
gpio_set_value(dp_pd_l, 1);
|
||||
gpio_set_value(dp_rst_l, 1);
|
||||
|
||||
/* Hang around for the bridge to come up. */
|
||||
mdelay(40);
|
||||
|
||||
/* Configure the bridge chip. */
|
||||
exynos_pinmux_i2c7();
|
||||
i2c_init(7, 100000, 0x00);
|
||||
|
||||
parade_ps8625_bridge_setup(7, 0x48,
|
||||
parade_writes,
|
||||
ARRAY_SIZE(parade_writes));
|
||||
}
|
||||
|
||||
/*
|
||||
* This delay is T3 in the LCD timing spec (defined as >200ms). We set
|
||||
* this down to 60ms since that's the approximate maximum amount of time
|
||||
* it'll take a bridge to start outputting LVDS data. The delay of
|
||||
* >200ms is just a conservative value to avoid turning on the backlight
|
||||
* when there's random LCD data on the screen. Shaving 140ms off the
|
||||
* boot is an acceptable trade-off.
|
||||
*/
|
||||
#define LCD_T3_DELAY_MS 60
|
||||
|
||||
#define LCD_T5_DELAY_MS 10
|
||||
#define LCD_T6_DELAY_MS 10
|
||||
|
||||
static void backlight_pwm(void)
|
||||
{
|
||||
/*Configure backlight PWM as a simple output high (100% brightness) */
|
||||
gpio_direction_output(bl_pwm, 1);
|
||||
udelay(LCD_T6_DELAY_MS * 1000);
|
||||
}
|
||||
|
||||
static void backlight_en(void)
|
||||
{
|
||||
/* Configure GPIO for LCD_BL_EN */
|
||||
gpio_direction_output(bl_en, 1);
|
||||
}
|
||||
|
||||
//static struct video_info smdk5420_dp_config = {
|
||||
static struct video_info dp_video_info = {
|
||||
/* FIXME: fix video_info struct to use const for name */
|
||||
.name = (char *)"eDP-LVDS NXP PTN3460",
|
||||
|
||||
.h_sync_polarity = 0,
|
||||
.v_sync_polarity = 0,
|
||||
.interlaced = 0,
|
||||
|
||||
.color_space = COLOR_RGB,
|
||||
.dynamic_range = VESA,
|
||||
.ycbcr_coeff = COLOR_YCBCR601,
|
||||
.color_depth = COLOR_8,
|
||||
|
||||
.link_rate = LINK_RATE_2_70GBPS,
|
||||
.lane_count = LANE_COUNT2,
|
||||
};
|
||||
|
||||
/* FIXME: move some place more appropriate */
|
||||
#define EXYNOS5420_DP1_BASE 0x145b0000
|
||||
#define MAX_DP_TRIES 5
|
||||
|
||||
/*
|
||||
* This function disables the USB3.0 PLL to save power
|
||||
*/
|
||||
static void disable_usb30_pll(void)
|
||||
{
|
||||
enum exynos5_gpio_pin usb3_pll_l = GPIO_Y11;
|
||||
|
||||
gpio_direction_output(usb3_pll_l, 0);
|
||||
}
|
||||
|
||||
static void gpio_init(void)
|
||||
{
|
||||
/* Set up the I2C busses. */
|
||||
exynos_pinmux_i2c2();
|
||||
exynos_pinmux_i2c4();
|
||||
exynos_pinmux_i2c7();
|
||||
exynos_pinmux_i2c8();
|
||||
exynos_pinmux_i2c9();
|
||||
exynos_pinmux_i2c10();
|
||||
}
|
||||
|
||||
enum {
|
||||
FET_CTRL_WAIT = 3 << 2,
|
||||
FET_CTRL_ADENFET = 1 << 1,
|
||||
FET_CTRL_ENFET = 1 << 0
|
||||
};
|
||||
|
||||
static void tps65090_thru_ec_fet_set(int index)
|
||||
{
|
||||
uint8_t value = FET_CTRL_ADENFET | FET_CTRL_WAIT | FET_CTRL_ENFET;
|
||||
|
||||
if (google_chromeec_i2c_xfer(0x48, 0xe + index, 1, &value, 1, 0)) {
|
||||
printk(BIOS_ERR,
|
||||
"Error sending i2c pass through command to EC.\n");
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
static void lcd_vdd(void)
|
||||
{
|
||||
/* Enable FET6, lcd panel */
|
||||
tps65090_thru_ec_fet_set(6);
|
||||
}
|
||||
|
||||
static void backlight_vdd(void)
|
||||
{
|
||||
/* Enable FET1, backlight */
|
||||
tps65090_thru_ec_fet_set(1);
|
||||
}
|
||||
|
||||
/* this happens after cpu_init where exynos resources are set */
|
||||
static void mainboard_init(device_t dev)
|
||||
{
|
||||
struct s5p_dp_device dp_device = {
|
||||
.base = (struct exynos5_dp *)EXYNOS5420_DP1_BASE,
|
||||
.video_info = &dp_video_info,
|
||||
};
|
||||
void *fb_addr = (void *)(get_fb_base_kb() * KiB);
|
||||
|
||||
gpio_init();
|
||||
|
||||
tmu_init(&exynos5420_tmu_info);
|
||||
|
||||
/* Clock Gating all the unused IP's to save power */
|
||||
clock_gate();
|
||||
|
||||
/* Disable USB3.0 PLL to save 250mW of power */
|
||||
disable_usb30_pll();
|
||||
|
||||
set_vbe_mode_info_valid(&edid, (uintptr_t)fb_addr);
|
||||
|
||||
lcd_vdd();
|
||||
|
||||
parade_dp_bridge_setup();
|
||||
dp_controller_init(&dp_device);
|
||||
|
||||
udelay(LCD_T3_DELAY_MS * 1000);
|
||||
|
||||
backlight_vdd();
|
||||
backlight_pwm();
|
||||
backlight_en();
|
||||
|
||||
// Uncomment to get excessive GPIO output:
|
||||
// gpio_info();
|
||||
}
|
||||
|
||||
static void mainboard_enable(device_t dev)
|
||||
{
|
||||
dev->ops->init = &mainboard_init;
|
||||
|
||||
#if !CONFIG_DYNAMIC_CBMEM
|
||||
/* set up coreboot tables */
|
||||
/* FIXME: this should happen somewhere else */
|
||||
high_tables_size = CONFIG_COREBOOT_TABLES_SIZE;
|
||||
high_tables_base = CONFIG_SYS_SDRAM_BASE +
|
||||
((unsigned)CONFIG_DRAM_SIZE_MB << 20ULL) -
|
||||
CONFIG_COREBOOT_TABLES_SIZE;
|
||||
cbmem_init(high_tables_base, high_tables_size);
|
||||
#endif
|
||||
|
||||
/* set up dcache and MMU */
|
||||
/* FIXME: this should happen via resource allocator */
|
||||
exynos5420_config_l2_cache();
|
||||
mmu_init();
|
||||
mmu_config_range(0, DRAM_START, DCACHE_OFF);
|
||||
mmu_config_range(DRAM_START, DRAM_SIZE, DCACHE_WRITEBACK);
|
||||
mmu_config_range(DRAM_END, 4096 - DRAM_END, DCACHE_OFF);
|
||||
dcache_invalidate_all();
|
||||
dcache_mmu_enable();
|
||||
|
||||
/* this is going to move, but we must have it now and we're
|
||||
* not sure where */
|
||||
exception_init();
|
||||
|
||||
const unsigned epll_hz = 192000000;
|
||||
const unsigned sample_rate = 48000;
|
||||
const unsigned lr_frame_size = 256;
|
||||
clock_epll_set_rate(epll_hz);
|
||||
clock_select_i2s_clk_source();
|
||||
clock_set_i2s_clk_prescaler(epll_hz, sample_rate * lr_frame_size);
|
||||
|
||||
power_enable_xclkout();
|
||||
}
|
||||
|
||||
struct chip_operations mainboard_ops = {
|
||||
.name = "Samsung/Google ARM Chromebook",
|
||||
.enable_dev = mainboard_enable,
|
||||
};
|
||||
|
|
@ -0,0 +1,110 @@
|
|||
/*
|
||||
* This file is part of the coreboot project.
|
||||
*
|
||||
* Copyright (C) 2012 Samsung Electronics
|
||||
* Copyright 2013 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 <stddef.h>
|
||||
#include <stdlib.h>
|
||||
#include <console/console.h>
|
||||
|
||||
#include <cpu/samsung/exynos5420/gpio.h>
|
||||
#include <cpu/samsung/exynos5420/dmc.h>
|
||||
#include <cpu/samsung/exynos5420/setup.h>
|
||||
#include <cpu/samsung/exynos5420/clk.h>
|
||||
|
||||
const struct mem_timings mem_timings = {
|
||||
.mem_manuf = MEM_MANUF_SAMSUNG,
|
||||
.mem_type = DDR_MODE_DDR3,
|
||||
.frequency_mhz = 800,
|
||||
.direct_cmd_msr = {
|
||||
0x00020018, 0x00030000, 0x00010002, 0x00000d70
|
||||
},
|
||||
.timing_ref = 0x000000bb,
|
||||
.timing_row = 0x6836650f,
|
||||
.timing_data = 0x3630580b,
|
||||
.timing_power = 0x41000a26,
|
||||
.phy0_dqs = 0x08080808,
|
||||
.phy1_dqs = 0x08080808,
|
||||
.phy0_dq = 0x08080808,
|
||||
.phy1_dq = 0x08080808,
|
||||
.phy0_tFS = 0x8,
|
||||
.phy1_tFS = 0x8,
|
||||
.phy0_pulld_dqs = 0xf,
|
||||
.phy1_pulld_dqs = 0xf,
|
||||
|
||||
.lpddr3_ctrl_phy_reset = 0x1,
|
||||
.ctrl_start_point = 0x10,
|
||||
.ctrl_inc = 0x10,
|
||||
.ctrl_start = 0x1,
|
||||
.ctrl_dll_on = 0x1,
|
||||
.ctrl_ref = 0x8,
|
||||
|
||||
.ctrl_force = 0x1a,
|
||||
.ctrl_rdlat = 0x0b,
|
||||
.ctrl_bstlen = 0x08,
|
||||
|
||||
.fp_resync = 0x8,
|
||||
.iv_size = 0x7,
|
||||
.dfi_init_start = 1,
|
||||
.aref_en = 1,
|
||||
|
||||
.rd_fetch = 0x3,
|
||||
|
||||
.zq_mode_dds = 0x6,
|
||||
.zq_mode_term = 0x1,
|
||||
.zq_mode_noterm = 1,
|
||||
|
||||
/*
|
||||
* Dynamic Clock: Always Running
|
||||
* Memory Burst length: 8
|
||||
* Number of chips: 1
|
||||
* Memory Bus width: 32 bit
|
||||
* Memory Type: DDR3
|
||||
* Additional Latancy for PLL: 0 Cycle
|
||||
*/
|
||||
.memcontrol = DMC_MEMCONTROL_CLK_STOP_DISABLE |
|
||||
DMC_MEMCONTROL_DPWRDN_DISABLE |
|
||||
DMC_MEMCONTROL_DPWRDN_ACTIVE_PRECHARGE |
|
||||
DMC_MEMCONTROL_TP_DISABLE |
|
||||
DMC_MEMCONTROL_DSREF_DISABLE |
|
||||
DMC_MEMCONTROL_ADD_LAT_PALL_CYCLE(0) |
|
||||
DMC_MEMCONTROL_MEM_TYPE_DDR3 |
|
||||
DMC_MEMCONTROL_MEM_WIDTH_32BIT |
|
||||
DMC_MEMCONTROL_NUM_CHIP_2 |
|
||||
DMC_MEMCONTROL_BL_8 |
|
||||
DMC_MEMCONTROL_PZQ_DISABLE |
|
||||
DMC_MEMCONTROL_MRR_BYTE_7_0,
|
||||
.memconfig = DMC_MEMCONFIG_CHIP_MAP_SPLIT |
|
||||
DMC_MEMCONFIGx_CHIP_COL_10 |
|
||||
DMC_MEMCONFIGx_CHIP_ROW_15 |
|
||||
DMC_MEMCONFIGx_CHIP_BANK_8,
|
||||
.prechconfig_tp_cnt = 0xff,
|
||||
.dpwrdn_cyc = 0xff,
|
||||
.dsref_cyc = 0xffff,
|
||||
.concontrol = DMC_CONCONTROL_DFI_INIT_START_DISABLE |
|
||||
DMC_CONCONTROL_TIMEOUT_LEVEL0 |
|
||||
DMC_CONCONTROL_RD_FETCH_DISABLE |
|
||||
DMC_CONCONTROL_EMPTY_DISABLE |
|
||||
DMC_CONCONTROL_AREF_EN_DISABLE |
|
||||
DMC_CONCONTROL_IO_PD_CON_DISABLE,
|
||||
.dmc_channels = 1,
|
||||
.chips_per_channel = 2,
|
||||
.chips_to_configure = 2,
|
||||
.send_zq_init = 1,
|
||||
.gate_leveling_enable = 1,
|
||||
};
|
||||
|
|
@ -0,0 +1,280 @@
|
|||
/*
|
||||
* This file is part of the coreboot project.
|
||||
*
|
||||
* Copyright 2013 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 <types.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
#include <armv7.h>
|
||||
#include <cbfs.h>
|
||||
#include <cbmem.h>
|
||||
|
||||
#include <arch/cache.h>
|
||||
#include <cpu/samsung/exynos5420/i2c.h>
|
||||
#include <cpu/samsung/exynos5420/clk.h>
|
||||
#include <cpu/samsung/exynos5420/cpu.h>
|
||||
#include <cpu/samsung/exynos5420/dmc.h>
|
||||
#include <cpu/samsung/exynos5420/gpio.h>
|
||||
#include <cpu/samsung/exynos5420/setup.h>
|
||||
#include <cpu/samsung/exynos5420/periph.h>
|
||||
#include <cpu/samsung/exynos5420/power.h>
|
||||
#include <cpu/samsung/exynos5420/wakeup.h>
|
||||
#include <console/console.h>
|
||||
#include <arch/stages.h>
|
||||
|
||||
#include <drivers/maxim/max77802/max77802.h>
|
||||
#include <device/i2c.h>
|
||||
|
||||
#include "exynos5420.h"
|
||||
|
||||
#define MMC0_GPIO_PIN (58)
|
||||
|
||||
struct pmic_write
|
||||
{
|
||||
int or_orig; // Whether to or in the original value.
|
||||
uint8_t reg; // Register to write.
|
||||
uint8_t val; // Value to write.
|
||||
};
|
||||
|
||||
/*
|
||||
* Use read-modify-write for MAX77802 control registers and clobber the
|
||||
* output voltage setting (BUCK?DVS?) registers.
|
||||
*/
|
||||
struct pmic_write pmic_writes[] =
|
||||
{
|
||||
{ 1, MAX77802_REG_PMIC_32KHZ, MAX77802_32KHCP_EN },
|
||||
{ 0, MAX77802_REG_PMIC_BUCK1DVS1, MAX77802_BUCK1DVS1_1V },
|
||||
{ 1, MAX77802_REG_PMIC_BUCK1CTRL, MAX77802_BUCK_TYPE1_ON |
|
||||
MAX77802_BUCK_TYPE1_IGNORE_PWRREQ },
|
||||
{ 0, MAX77802_REG_PMIC_BUCK2DVS1, MAX77802_BUCK2DVS1_1V },
|
||||
{ 1, MAX77802_REG_PMIC_BUCK2CTRL1, MAX77802_BUCK_TYPE2_ON |
|
||||
MAX77802_BUCK_TYPE2_IGNORE_PWRREQ },
|
||||
{ 0, MAX77802_REG_PMIC_BUCK3DVS1, MAX77802_BUCK3DVS1_1V },
|
||||
{ 1, MAX77802_REG_PMIC_BUCK3CTRL1, MAX77802_BUCK_TYPE2_ON |
|
||||
MAX77802_BUCK_TYPE2_IGNORE_PWRREQ },
|
||||
{ 0, MAX77802_REG_PMIC_BUCK4DVS1, MAX77802_BUCK4DVS1_1V },
|
||||
{ 1, MAX77802_REG_PMIC_BUCK4CTRL1, MAX77802_BUCK_TYPE2_ON |
|
||||
MAX77802_BUCK_TYPE2_IGNORE_PWRREQ },
|
||||
{ 0, MAX77802_REG_PMIC_BUCK6DVS1, MAX77802_BUCK6DVS1_1V },
|
||||
{ 1, MAX77802_REG_PMIC_BUCK6CTRL, MAX77802_BUCK_TYPE1_ON |
|
||||
MAX77802_BUCK_TYPE1_IGNORE_PWRREQ },
|
||||
{ 1, MAX77802_REG_PMIC_LDO35CTRL1, MAX77802_LDO35CTRL1_1_2V },
|
||||
};
|
||||
|
||||
static void setup_power(int is_resume)
|
||||
{
|
||||
int error = 0;
|
||||
int i;
|
||||
|
||||
power_init();
|
||||
|
||||
if (is_resume) {
|
||||
return;
|
||||
}
|
||||
|
||||
/* Initialize I2C bus to configure PMIC. */
|
||||
exynos_pinmux_i2c4();
|
||||
i2c_init(4, I2C_4_SPEED, 0x00);
|
||||
|
||||
printk(BIOS_DEBUG, "%s: Setting up PMIC...\n", __func__);
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(pmic_writes); i++) {
|
||||
uint8_t data = 0;
|
||||
uint8_t reg = pmic_writes[i].reg;
|
||||
|
||||
if (pmic_writes[i].or_orig)
|
||||
error |= i2c_read(4, MAX77802_I2C_ADDR,
|
||||
reg, sizeof(reg),
|
||||
&data, sizeof(data));
|
||||
data |= pmic_writes[i].val;
|
||||
error |= i2c_write(4, MAX77802_I2C_ADDR,
|
||||
reg, sizeof(reg),
|
||||
&data, sizeof(data));
|
||||
}
|
||||
|
||||
if (error)
|
||||
die("Failed to intialize PMIC.\n");
|
||||
}
|
||||
|
||||
static void setup_storage(void)
|
||||
{
|
||||
/* MMC0: Fixed, 8 bit mode, connected with GPIO. */
|
||||
if (clock_set_dwmci(PERIPH_ID_SDMMC0))
|
||||
printk(BIOS_CRIT, "%s: Failed to set MMC0 clock.\n", __func__);
|
||||
exynos_pinmux_sdmmc0();
|
||||
|
||||
/* MMC2: Removable, 4 bit mode, no GPIO. */
|
||||
clock_set_dwmci(PERIPH_ID_SDMMC2);
|
||||
exynos_pinmux_sdmmc2();
|
||||
}
|
||||
|
||||
static void setup_ec(void)
|
||||
{
|
||||
/* SPI2 (EC) is slower and needs to work in half-duplex mode with
|
||||
* single byte bus width. */
|
||||
clock_set_rate(PERIPH_ID_SPI2, 5000000);
|
||||
exynos_pinmux_spi2();
|
||||
}
|
||||
|
||||
static void setup_gpio(void)
|
||||
{
|
||||
gpio_direction_input(GPIO_X30); // WP_GPIO
|
||||
gpio_set_pull(GPIO_X30, GPIO_PULL_NONE);
|
||||
|
||||
gpio_direction_input(GPIO_X07); // RECMODE_GPIO
|
||||
gpio_set_pull(GPIO_X07, GPIO_PULL_NONE);
|
||||
|
||||
gpio_direction_input(GPIO_X34); // LID_GPIO
|
||||
gpio_set_pull(GPIO_X34, GPIO_PULL_NONE);
|
||||
|
||||
gpio_direction_input(GPIO_X12); // POWER_GPIO
|
||||
gpio_set_pull(GPIO_X12, GPIO_PULL_NONE);
|
||||
}
|
||||
|
||||
static void setup_memory(struct mem_timings *mem, int is_resume)
|
||||
{
|
||||
printk(BIOS_SPEW, "manufacturer: 0x%x type: 0x%x, div: 0x%x, mhz: %d\n",
|
||||
mem->mem_manuf,
|
||||
mem->mem_type,
|
||||
mem->mpll_mdiv,
|
||||
mem->frequency_mhz);
|
||||
|
||||
if (ddr3_mem_ctrl_init(mem, DMC_INTERLEAVE_SIZE, !is_resume)) {
|
||||
die("Failed to initialize memory controller.\n");
|
||||
}
|
||||
}
|
||||
|
||||
#define PRIMITIVE_MEM_TEST 0
|
||||
#if PRIMITIVE_MEM_TEST
|
||||
static unsigned long primitive_mem_test(void)
|
||||
{
|
||||
unsigned long *l = (void *)0x40000000;
|
||||
int bad = 0;
|
||||
unsigned long i;
|
||||
for(i = 0; i < 256*1048576; i++){
|
||||
if (! (i%1048576))
|
||||
printk(BIOS_SPEW, "%lu ...", i);
|
||||
l[i] = 0xffffffff - i;
|
||||
}
|
||||
|
||||
for(i = 0; i < 256*1048576; i++){
|
||||
if (! (i%1048576))
|
||||
printk(BIOS_SPEW, "%lu ...", i);
|
||||
if (l[i] != (0xffffffff - i)){
|
||||
printk(BIOS_SPEW, "%p: want %08lx got %08lx\n", l, l[i], 0xffffffff - i);
|
||||
bad++;
|
||||
}
|
||||
}
|
||||
|
||||
printk(BIOS_SPEW, "%d errors\n", bad);
|
||||
|
||||
return bad;
|
||||
}
|
||||
#else
|
||||
#define primitive_mem_test()
|
||||
#endif
|
||||
|
||||
#define SIMPLE_SPI_TEST 0
|
||||
#if SIMPLE_SPI_TEST
|
||||
/* here is a simple SPI debug test, known to fid trouble */
|
||||
static void simple_spi_test(void)
|
||||
{
|
||||
struct cbfs_media default_media, *media;
|
||||
int i, amt = 4 * MiB, errors = 0;
|
||||
//u32 *data = (void *)0x40000000;
|
||||
u32 data[1024];
|
||||
u32 in;
|
||||
|
||||
amt = sizeof(data);
|
||||
media = &default_media;
|
||||
if (init_default_cbfs_media(media) != 0) {
|
||||
printk(BIOS_SPEW, "Failed to initialize default media.\n");
|
||||
return;
|
||||
}
|
||||
|
||||
|
||||
media->open(media);
|
||||
if (media->read(media, data, (size_t) 0, amt) < amt){
|
||||
printk(BIOS_SPEW, "simple_spi_test fails\n");
|
||||
return;
|
||||
}
|
||||
|
||||
|
||||
for(i = 0; i < amt; i += 4){
|
||||
if (media->read(media, &in, (size_t) i, 4) < 1){
|
||||
printk(BIOS_SPEW, "simple_spi_test fails at %d\n", i);
|
||||
return;
|
||||
}
|
||||
if (data[i/4] != in){
|
||||
errors++;
|
||||
printk(BIOS_SPEW, "BAD at %d(%p):\nRAM %08lx\nSPI %08lx\n",
|
||||
i, &data[i/4], (unsigned long)data[i/4], (unsigned long)in);
|
||||
/* reread it to see which is wrong. */
|
||||
if (media->read(media, &in, (size_t) i, 4) < 1){
|
||||
printk(BIOS_SPEW, "simple_spi_test fails at %d\n", i);
|
||||
return;
|
||||
}
|
||||
printk(BIOS_SPEW, "RTRY at %d(%p):\nRAM %08lx\nSPI %08lx\n",
|
||||
i, &data[i/4], (unsigned long)data[i/4], (unsigned long)in);
|
||||
}
|
||||
|
||||
}
|
||||
printk(BIOS_SPEW, "%d errors\n", errors);
|
||||
}
|
||||
#else
|
||||
#define simple_spi_test()
|
||||
#endif
|
||||
|
||||
void main(void)
|
||||
{
|
||||
|
||||
extern struct mem_timings mem_timings;
|
||||
void *entry;
|
||||
int is_resume = (get_wakeup_state() != IS_NOT_WAKEUP);
|
||||
|
||||
/* Clock must be initialized before console_init, otherwise you may need
|
||||
* to re-initialize serial console drivers again. */
|
||||
system_clock_init();
|
||||
|
||||
console_init();
|
||||
|
||||
setup_power(is_resume);
|
||||
setup_memory(&mem_timings, is_resume);
|
||||
|
||||
primitive_mem_test();
|
||||
|
||||
if (is_resume) {
|
||||
wakeup();
|
||||
}
|
||||
|
||||
setup_storage();
|
||||
setup_gpio();
|
||||
setup_ec();
|
||||
|
||||
simple_spi_test();
|
||||
/* Set SPI (primary CBFS media) clock to 50MHz. */
|
||||
/* if this is uncommented SPI will not work correctly. */
|
||||
clock_set_rate(PERIPH_ID_SPI1, 50000000);
|
||||
simple_spi_test();
|
||||
|
||||
cbmem_initialize_empty();
|
||||
|
||||
entry = cbfs_load_stage(CBFS_DEFAULT_MEDIA, "fallback/coreboot_ram");
|
||||
simple_spi_test();
|
||||
stage_exit(entry);
|
||||
}
|
||||
|
|
@ -0,0 +1,29 @@
|
|||
/*
|
||||
* This file is part of the coreboot project.
|
||||
*
|
||||
* Copyright 2013 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 <cpu/samsung/exynos5420/gpio.h>
|
||||
#include <cpu/samsung/exynos5420/wakeup.h>
|
||||
|
||||
int wakeup_need_reset(void)
|
||||
{
|
||||
/* The "wake up" event is not reliable (known as "bad wakeup") and needs
|
||||
* reset if GPIO value is high. */
|
||||
return gpio_get_value(GPIO_Y10);
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue