mainboard.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include "board.h"
#include <bootblock_common.h>
#include <device/device.h>
#include <device/mmio.h>
#include <soc/clock.h>
#include <soc/qupv3_config_common.h>
#include <soc/qup_se_handlers_common.h>
#include <soc/qcom_qup_se.h>
#include <soc/usb/usb_common.h>
#include <soc/usb/snps_usb_phy.h>
 
static struct usb_board_data usb0_board_data = {
        .parameter_override_x0 = 0xe6,
        .parameter_override_x1 = 0x8b,
        .parameter_override_x2 = 0x16,
        .parameter_override_x3 = 0x03,
};
 
static void setup_usb(void)
{
        /* Assert EN_PP3300_HUB for those board variants that use it. */
        gpio_output(USB_HUB_LDO_EN, 1);
 
        setup_usb_host0(&usb0_board_data);
}
 
static void configure_sdhci(void)
{
        /* Program eMMC drive strength to 16/10/10 mA */
        write32((void *)SDC1_TLMM_CFG_ADDR, 0x9FE4);
        /* Program SD card drive strength to 16/10/10 mA */
        write32((void *)SDC2_TLMM_CFG_ADDR, 0x1FE4);
}
 
static void qi2s_configure_gpios(void)
{
        gpio_configure(GPIO_MI2S1_SCK, GPIO106_FUNC_MI2S1_SCK,
                GPIO_NO_PULL, GPIO_16MA, GPIO_OUTPUT);
 
        gpio_configure(GPIO_MI2S1_WS, GPIO108_FUNC_MI2S1_WS,
                GPIO_NO_PULL, GPIO_16MA, GPIO_OUTPUT);
 
        gpio_configure(GPIO_MI2S1_DATA0, GPIO107_FUNC_MI2S1_DATA0,
                GPIO_NO_PULL, GPIO_16MA, GPIO_OUTPUT);
}
 
static void mainboard_init(struct device *dev)
{
        /* Configure clock for eMMC */
        clock_configure_sdcc1(384 * MHz);
        /* Configure clock for SD card */
        clock_configure_sdcc2(50 * MHz);
        configure_sdhci();
 
        gpi_firmware_load(QUP_0_GSI_BASE);
        gpi_firmware_load(QUP_1_GSI_BASE);
 
        /*
         * When coreboot firmware disables serial output,
         * we still need to load console UART QUP FW for OS.
         */
        if (!CONFIG(CONSOLE_SERIAL))
                qupv3_se_fw_load_and_init(QUPV3_0_SE5, SE_PROTOCOL_UART, FIFO);
 
        qupv3_se_fw_load_and_init(QUPV3_1_SE5, SE_PROTOCOL_I2C, MIXED);  /* Touch I2C */
        qupv3_se_fw_load_and_init(QUPV3_0_SE7, SE_PROTOCOL_UART, FIFO);  /* BT UART */
 
        if (CONFIG(BOARD_GOOGLE_HEROBRINE_REV0)) {
                /* Audio I2C */
                qupv3_se_fw_load_and_init(QUPV3_0_SE0, SE_PROTOCOL_I2C, MIXED);
                /* Trackpad I2C */
                qupv3_se_fw_load_and_init(QUPV3_0_SE1, SE_PROTOCOL_I2C, MIXED);
                /* SAR sensor I2C */
                qupv3_se_fw_load_and_init(QUPV3_0_SE2, SE_PROTOCOL_I2C, MIXED);
                /* Fingerprint SPI */
                qupv3_se_fw_load_and_init(QUPV3_1_SE3, SE_PROTOCOL_SPI, MIXED);
        } else if (CONFIG(BOARD_GOOGLE_SENOR) || CONFIG(BOARD_GOOGLE_PIGLIN)) {
                /* APPS I2C */
                qupv3_se_fw_load_and_init(QUPV3_0_SE1, SE_PROTOCOL_I2C, GSI);
                /* ESIM SPI */
                qupv3_se_fw_load_and_init(QUPV3_1_SE4, SE_PROTOCOL_SPI, MIXED);
                /* Trackpad I2C */
                qupv3_se_fw_load_and_init(QUPV3_0_SE0, SE_PROTOCOL_I2C, MIXED);
        } else {
                /* Trackpad I2C */
                qupv3_se_fw_load_and_init(QUPV3_0_SE0, SE_PROTOCOL_I2C, MIXED);
                /* SAR sensor I2C */
                qupv3_se_fw_load_and_init(QUPV3_0_SE1, SE_PROTOCOL_I2C, MIXED);
                /* Audio I2C */
                qupv3_se_fw_load_and_init(QUPV3_0_SE2, SE_PROTOCOL_I2C, MIXED);
                /* Fingerprint SPI */
                if (CONFIG(HEROBRINE_HAS_FINGERPRINT))
                        qupv3_se_fw_load_and_init(QUPV3_1_SE1, SE_PROTOCOL_SPI, MIXED);
        }
 
        /* Take FPMCU out of reset. Power was already applied
           in romstage and should have stabilized by now. */
        if (CONFIG(HEROBRINE_HAS_FINGERPRINT))
                gpio_output(GPIO_FP_RST_L, 1);
 
        setup_usb();
        qi2s_configure_gpios();
}
 
static void mainboard_enable(struct device *dev)
{
        dev->ops->init = &mainboard_init;
}
 
struct chip_operations mainboard_ops = {
        .name = CONFIG_MAINBOARD_PART_NUMBER,
        .enable_dev = mainboard_enable,
};