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Diffstat (limited to 'src/mainboard/google/rush/mainboard.c')
| -rw-r--r-- | src/mainboard/google/rush/mainboard.c | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/src/mainboard/google/rush/mainboard.c b/src/mainboard/google/rush/mainboard.c deleted file mode 100644 index 4a8f936e8f..0000000000 --- a/src/mainboard/google/rush/mainboard.c +++ /dev/null @@ -1,199 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright 2015 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. - */ - -#include <arch/mmu.h> -#include <bootmode.h> -#include <boot/coreboot_tables.h> -#include <delay.h> -#include <device/device.h> -#include <memrange.h> -#include <soc/addressmap.h> -#include <soc/clk_rst.h> -#include <soc/clock.h> -#include <soc/funitcfg.h> -#include <soc/nvidia/tegra/i2c.h> -#include <soc/nvidia/tegra/usb.h> -#include <soc/padconfig.h> -#include <soc/spi.h> -#include <soc/nvidia/tegra/dc.h> -#include <soc/display.h> - -static const struct pad_config sdmmc3_pad[] = { - /* MMC3(SDCARD) */ - PAD_CFG_SFIO(SDMMC3_CLK, PINMUX_INPUT_ENABLE, SDMMC3), - PAD_CFG_SFIO(SDMMC3_CMD, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SDMMC3), - PAD_CFG_SFIO(SDMMC3_DAT0, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SDMMC3), - PAD_CFG_SFIO(SDMMC3_DAT1, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SDMMC3), - PAD_CFG_SFIO(SDMMC3_DAT2, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SDMMC3), - PAD_CFG_SFIO(SDMMC3_DAT3, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SDMMC3), - PAD_CFG_SFIO(SDMMC3_CLK_LB_IN, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SDMMC3), - PAD_CFG_SFIO(SDMMC3_CLK_LB_OUT, PINMUX_INPUT_ENABLE | PINMUX_PULL_DOWN, SDMMC3), - /* MMC3 Card Detect pin */ - PAD_CFG_GPIO_INPUT(SDMMC3_CD_N, PINMUX_PULL_UP), - /* Disable SD card reader power so it can be reset even on warm boot. - Payloads must enable power before accessing SD card slots. */ - PAD_CFG_GPIO_OUT0(KB_ROW0, PINMUX_PULL_NONE), -}; - -static const struct pad_config sdmmc4_pad[] = { - /* MMC4 (eMMC) */ - PAD_CFG_SFIO(SDMMC4_CLK, PINMUX_INPUT_ENABLE, SDMMC4), - PAD_CFG_SFIO(SDMMC4_CMD, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SDMMC4), - PAD_CFG_SFIO(SDMMC4_DAT0, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SDMMC4), - PAD_CFG_SFIO(SDMMC4_DAT1, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SDMMC4), - PAD_CFG_SFIO(SDMMC4_DAT2, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SDMMC4), - PAD_CFG_SFIO(SDMMC4_DAT3, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SDMMC4), - PAD_CFG_SFIO(SDMMC4_DAT4, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SDMMC4), - PAD_CFG_SFIO(SDMMC4_DAT5, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SDMMC4), - PAD_CFG_SFIO(SDMMC4_DAT6, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SDMMC4), - PAD_CFG_SFIO(SDMMC4_DAT7, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SDMMC4), -}; - -static const struct pad_config padcfgs[] = { - /* We pull the USB VBUS signals up but keep them as inputs since the - * voltage source likes to drive them low on overcurrent conditions */ - PAD_CFG_GPIO_INPUT(USB_VBUS_EN0, PINMUX_PULL_UP), - PAD_CFG_GPIO_INPUT(USB_VBUS_EN1, PINMUX_PULL_UP), - - /* backlight_vdd_gpio: P2 */ - PAD_CFG_GPIO_OUT0(DAP3_DOUT, PINMUX_PULL_NONE), - - /* backlight_en_gpio: H2 */ - PAD_CFG_GPIO_OUT0(GPIO_PH2, PINMUX_PULL_NONE), - - /* backlight_pwm: H1 */ - PAD_CFG_SFIO(GPIO_PH1, PINMUX_PULL_NONE, PWM1), - - /* DP HPD */ - PAD_CFG_SFIO(DP_HPD, PINMUX_INPUT_ENABLE, DP), -}; - -static const struct pad_config i2c1_pad[] = { - /* GEN1 I2C */ - PAD_CFG_SFIO(GEN1_I2C_SCL, PINMUX_INPUT_ENABLE, I2C1), - PAD_CFG_SFIO(GEN1_I2C_SDA, PINMUX_INPUT_ENABLE, I2C1), -}; - -static const struct funit_cfg funitcfgs[] = { - FUNIT_CFG(SDMMC3, PLLP, 48000, sdmmc3_pad, ARRAY_SIZE(sdmmc3_pad)), - FUNIT_CFG(SDMMC4, PLLP, 48000, sdmmc4_pad, ARRAY_SIZE(sdmmc4_pad)), - FUNIT_CFG(I2C1, PLLP, 100, i2c1_pad, ARRAY_SIZE(i2c1_pad)), -}; - -static void setup_ec_spi(void) -{ - struct tegra_spi_channel *spi; - - spi = tegra_spi_init(CONFIG_EC_GOOGLE_CHROMEEC_SPI_BUS); -} - -static void setup_usb(void) -{ - clock_enable_clear_reset(CLK_L_USBD, CLK_H_USB3, 0, 0, 0, 0); - - usb_setup_utmip((void *)TEGRA_USBD_BASE); - usb_setup_utmip((void *)TEGRA_USB3_BASE); -} - -static const struct pad_config i2s1_pad[] = { - /* I2S1 */ - PAD_CFG_SFIO(DAP2_SCLK, PINMUX_INPUT_ENABLE, I2S1), - PAD_CFG_SFIO(DAP2_FS, PINMUX_INPUT_ENABLE, I2S1), - PAD_CFG_SFIO(DAP2_DOUT, PINMUX_INPUT_ENABLE, I2S1), - PAD_CFG_SFIO(DAP2_DIN, PINMUX_INPUT_ENABLE | PINMUX_TRISTATE, I2S1), - /* codec MCLK via EXTPERIPH1 */ - PAD_CFG_SFIO(DAP_MCLK1, PINMUX_PULL_NONE, EXTPERIPH1), -}; - -static const struct funit_cfg audio_funit[] = { - /* We need 1.5MHz for I2S1. So we use CLK_M */ - FUNIT_CFG(I2S1, CLK_M, 1500, i2s1_pad, ARRAY_SIZE(i2s1_pad)), -}; - -static void configure_display_clocks(void) -{ - u32 lclks = CLK_L_DISP1 | CLK_L_HOST1X | CLK_L_PWM; - u32 xclks = CLK_X_DPAUX | CLK_X_SOR0; - - clock_enable_clear_reset(lclks, 0, 0, 0, 0, xclks); - - /* Give clocks time to stabilize. */ - udelay(IO_STABILIZATION_DELAY); -} - -static int configure_display_blocks(void) -{ - soc_configure_host1x(); - - /* enable display related clocks */ - configure_display_clocks(); - - return 0; -} - -/* Audio init: clocks and enables/resets */ -static void setup_audio(void) -{ - /* - * External peripheral 1: audio codec (max98090) uses 12MHz CLK1 - * NOTE: We can't use a funits struct/call here because EXTPERIPH1/2/3 - * don't have BASE regs or CAR RST/ENA bits. Also, the mux setting for - * EXTPERIPH1/DAP_MCLK1 is rolled into the I2S1 padcfg. - */ - clock_configure_source(extperiph1, CLK_M, 12000); - - soc_configure_funits(audio_funit, ARRAY_SIZE(audio_funit)); - - clock_external_output(1); /* For external MAX98090 audio codec. */ - - /* - * Confirmed by NVIDIA hardware team, we need to take ALL audio devices - * connected to AHUB (AUDIO, APBIF, I2S, DAM, AMX, ADX, SPDIF, AFC) out - * of reset and clock-enabled, otherwise reading AHUB devices (in our - * case, I2S/APBIF/AUDIO<XBAR>) will hang. - */ - clock_enable_audio(); -} - -static void mainboard_init(device_t dev) -{ - soc_configure_pads(padcfgs, ARRAY_SIZE(padcfgs)); - soc_configure_funits(funitcfgs, ARRAY_SIZE(funitcfgs)); - - setup_ec_spi(); - setup_usb(); - - setup_audio(); - i2c_init(I2C1_BUS); /* for max98090 codec */ - - /* if panel needs to bringup */ - if (display_init_required()) - configure_display_blocks(); -} - -void display_startup(device_t dev) -{ - dp_display_startup(dev); -} - -static void mainboard_enable(device_t dev) -{ - dev->ops->init = &mainboard_init; -} - -struct chip_operations mainboard_ops = { - .name = "rush", - .enable_dev = mainboard_enable, -}; |