diff options
Diffstat (limited to 'src/mainboard')
4 files changed, 211 insertions, 0 deletions
diff --git a/src/mainboard/google/octopus/variants/fleex/Makefile.inc b/src/mainboard/google/octopus/variants/fleex/Makefile.inc new file mode 100644 index 0000000000..d54ed40095 --- /dev/null +++ b/src/mainboard/google/octopus/variants/fleex/Makefile.inc @@ -0,0 +1,4 @@ +bootblock-y += gpio.c + +ramstage-y += variant.c +ramstage-y += gpio.c diff --git a/src/mainboard/google/octopus/variants/fleex/gpio.c b/src/mainboard/google/octopus/variants/fleex/gpio.c new file mode 100644 index 0000000000..ac68569347 --- /dev/null +++ b/src/mainboard/google/octopus/variants/fleex/gpio.c @@ -0,0 +1,133 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2018 Google LLC. + * + * 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 <baseboard/gpio.h> +#include <baseboard/variants.h> +#include <boardid.h> +#include <gpio.h> +#include <soc/gpio.h> + +static const struct pad_config default_override_table[] = { + + PAD_NC(GPIO_50, UP_20K), + PAD_NC(GPIO_51, UP_20K), + PAD_NC(GPIO_52, UP_20K), + PAD_NC(GPIO_53, UP_20K), + PAD_NC(GPIO_67, UP_20K), + PAD_NC(GPIO_117, UP_20K), + + /* CAM_SOC_EC_SYNC */ + PAD_CFG_GPI_APIC_IOS(GPIO_134, NONE, DEEP, EDGE_SINGLE, INVERT, TxDRxE, + DISPUPD), + + PAD_NC(GPIO_138, DN_20K), + PAD_NC(GPIO_139, DN_20K), + PAD_NC(GPIO_140, UP_20K), + PAD_NC(GPIO_143, UP_20K), + PAD_NC(GPIO_144, UP_20K), + PAD_NC(GPIO_145, UP_20K), + + /* EN_PP3300_TOUCHSCREEN */ + PAD_CFG_GPO_IOSSTATE_IOSTERM(GPIO_146, 0, DEEP, NONE, Tx0RxDCRx0, + DISPUPD), + + PAD_NC(GPIO_161, UP_20K), + + /* EN_PP3300_WLAN_L */ + PAD_CFG_GPO(GPIO_178, 0, DEEP), + + PAD_NC(GPIO_213, DN_20K), + PAD_NC(GPIO_214, DN_20K), +}; + +static const struct pad_config bid0_override_table[] = { + PAD_NC(GPIO_50, UP_20K), + PAD_NC(GPIO_51, UP_20K), + PAD_NC(GPIO_52, UP_20K), + PAD_NC(GPIO_53, UP_20K), + PAD_NC(GPIO_67, UP_20K), + PAD_NC(GPIO_117, UP_20K), + PAD_NC(GPIO_138, DN_20K), + PAD_NC(GPIO_139, DN_20K), + PAD_NC(GPIO_140, UP_20K), + PAD_NC(GPIO_143, UP_20K), + PAD_NC(GPIO_144, UP_20K), + PAD_NC(GPIO_145, UP_20K), + PAD_NC(GPIO_161, UP_20K), + PAD_NC(GPIO_214, DN_20K), +}; + +const struct pad_config *variant_override_gpio_table(size_t *num) +{ + const struct pad_config *c; + + switch (board_id()) { + case 0: + case UNDEFINED_STRAPPING_ID: + c = bid0_override_table; + *num = ARRAY_SIZE(bid0_override_table); + break; + default: + c = default_override_table; + *num = ARRAY_SIZE(default_override_table); + } + + return c; +} + +/* GPIOs needed prior to ramstage. */ +static const struct pad_config early_gpio_table[] = { + /* PCH_WP_OD */ + PAD_CFG_GPI(GPIO_190, NONE, DEEP), + /* H1_PCH_INT_ODL */ + PAD_CFG_GPI_APIC_IOS(GPIO_63, NONE, DEEP, EDGE_SINGLE, INVERT, TxDRxE, + DISPUPD), + /* H1_SLAVE_SPI_CLK_R */ + PAD_CFG_NF(GPIO_79, NONE, DEEP, NF1), + /* H1_SLAVE_SPI_CS_L_R */ + PAD_CFG_NF(GPIO_80, NONE, DEEP, NF1), + /* H1_SLAVE_SPI_MISO */ + PAD_CFG_NF(GPIO_82, NONE, DEEP, NF1), + /* H1_SLAVE_SPI_MOSI_R */ + PAD_CFG_NF(GPIO_83, NONE, DEEP, NF1), + + /* WLAN_PE_RST */ + PAD_CFG_GPO(GPIO_164, 0, DEEP), + + /* + * ESPI_IO1 acts as ALERT# (which is open-drain) and requies a weak + * pull-up for proper operation. Since there is no external pull present + * on this platform, configure an internal weak pull-up. + */ + PAD_CFG_NF_IOSSTATE_IOSTERM(GPIO_151, UP_20K, DEEP, NF2, HIZCRx1, + ENPU), +}; + +const struct pad_config *variant_early_gpio_table(size_t *num) +{ + /* + * This is a hack to configure EN_PP3300_WLAN based on board id. Once + * board id 0 is deprecated, we can get rid of this. + */ + uint32_t bid = board_id(); + + if (bid == UNDEFINED_STRAPPING_ID || bid < 1) + gpio_output(GPIO_178, 1); + else + gpio_output(GPIO_178, 0); + + *num = ARRAY_SIZE(early_gpio_table); + return early_gpio_table; +} diff --git a/src/mainboard/google/octopus/variants/fleex/overridetree.cb b/src/mainboard/google/octopus/variants/fleex/overridetree.cb index b96f309106..fdd8404ae3 100644 --- a/src/mainboard/google/octopus/variants/fleex/overridetree.cb +++ b/src/mainboard/google/octopus/variants/fleex/overridetree.cb @@ -1,6 +1,7 @@ chip soc/intel/apollolake device domain 0 on + device pci 16.1 off end # - I2C 1 device pci 17.1 on chip drivers/i2c/da7219 register "irq" = "ACPI_IRQ_LEVEL_LOW(GPIO_137_IRQ)" diff --git a/src/mainboard/google/octopus/variants/fleex/variant.c b/src/mainboard/google/octopus/variants/fleex/variant.c new file mode 100644 index 0000000000..1ead5e230c --- /dev/null +++ b/src/mainboard/google/octopus/variants/fleex/variant.c @@ -0,0 +1,73 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2018 Google LLC. + * + * 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/acpi_device.h> +#include <baseboard/variants.h> +#include <boardid.h> +#include <device/device.h> +#include <drivers/i2c/generic/chip.h> +#include <drivers/i2c/hid/chip.h> +#include <soc/gpio.h> +#include <soc/pci_devs.h> +#include <string.h> + +extern struct chip_operations drivers_i2c_generic_ops; +extern struct chip_operations drivers_i2c_hid_ops; + +void variant_update_devtree(struct device *dev) +{ + uint32_t bid; + struct device *touchscreen_i2c_host; + struct device *child; + const struct bus *children_bus; + static const struct acpi_gpio new_enable_gpio = + ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_146); + + bid = board_id(); + + /* Nothing to update. */ + if (bid == UNDEFINED_STRAPPING_ID || bid < 1) + return; + + touchscreen_i2c_host = dev_find_slot(0, PCH_DEVFN_I2C7); + + if (touchscreen_i2c_host == NULL) + return; + + children_bus = touchscreen_i2c_host->link_list; + child = NULL; + + /* Find all children on bus to update touchscreen enable gpio. */ + while ((child = dev_bus_each_child(children_bus, child)) != NULL) { + struct drivers_i2c_generic_config *cfg; + + /* No configration to change. */ + if (child->chip_info == NULL) + continue; + + if (child->chip_ops == &drivers_i2c_generic_ops) + cfg = child->chip_info; + else if (child->chip_ops == &drivers_i2c_hid_ops) { + struct drivers_i2c_hid_config *hid_cfg; + hid_cfg = child->chip_info; + cfg = &hid_cfg->generic; + } else + continue; + + /* Update the enable gpio. */ + memcpy(&cfg->enable_gpio, &new_enable_gpio, + sizeof(new_enable_gpio)); + } +} |