From 4e16a2ea17a1b104507aeed8fca9c35750728248 Mon Sep 17 00:00:00 2001 From: Tom Warren Date: Wed, 19 Mar 2014 14:19:09 -0700 Subject: blaze: Create a nyan_blaze mainboard, copied from nyan_big The nyan_blaze board will have different BCT .inc files, to be added/updated later. GPIOs and some devicetree stuff may also differ. BUG=None TEST=Built nyan, nyan_big and nyan_blaze. BRANCH=None Original-Change-Id: I8b16fc71346cf973983aa046096b79cb83ad4bb6 Original-Signed-off-by: Tom Warren Original-Reviewed-on: https://chromium-review.googlesource.com/190721 Original-Reviewed-by: Gabe Black Original-Tested-by: Julius Werner (cherry picked from commit bea753131e2247a90cc5359fa5f603026d66c7ce) Signed-off-by: Marc Jones Change-Id: I435ae78da2f6c4f1a78fea8300b6285e52272535 Reviewed-on: http://review.coreboot.org/7453 Tested-by: build bot (Jenkins) Reviewed-by: David Hendricks --- src/mainboard/google/nyan_blaze/mainboard.c | 322 ++++++++++++++++++++++++++++ 1 file changed, 322 insertions(+) create mode 100644 src/mainboard/google/nyan_blaze/mainboard.c (limited to 'src/mainboard/google/nyan_blaze/mainboard.c') diff --git a/src/mainboard/google/nyan_blaze/mainboard.c b/src/mainboard/google/nyan_blaze/mainboard.c new file mode 100644 index 0000000000..11c60ef9bc --- /dev/null +++ b/src/mainboard/google/nyan_blaze/mainboard.c @@ -0,0 +1,322 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2014 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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +static struct clk_rst_ctlr *clk_rst = (void *)TEGRA_CLK_RST_BASE; + +static void set_clock_sources(void) +{ + /* + * The max98090 codec and the temperature sensor are on I2C1. These + * can both run at 400 KHz, but the kernel sets the bus to 100 KHz. + */ + clock_configure_i2c_scl_freq(i2c1, PLLP, 100); + /* + * The TPM is on I2C3 and can theoretically run at 400 KHz but doesn't + * seem to work above around 40 KHz. It's set to run at 100 KHz in the + * kernel. + */ + clock_configure_i2c_scl_freq(i2c3, PLLP, 40); + + clock_configure_source(sbc1, PLLP, 5000); + + /* + * MMC3 and MMC4: Set base clock frequency for SD Clock to Tegra MMC's + * maximum speed (48MHz) so we can change SDCLK by second stage divisor + * in payloads, without touching base clock. + */ + clock_configure_source(sdmmc3, PLLP, 48000); + clock_configure_source(sdmmc4, PLLP, 48000); + + /* External peripheral 1: audio codec (max98090) using 12MHz CLK1. + * Note the source id of CLK_M for EXTPERIPH1 is 3. */ + clock_configure_irregular_source(extperiph1, CLK_M, 12000, 3); + + /* + * I2S1 can use either PLLP or PLLA. Using PLLP is sufficient now since + * we only need 4.8MHz. Note the source id of PLLP for I2S is 4. + */ + clock_configure_irregular_source(i2s1, PLLP, 4800, 4); + + /* Note source id of PLLP for HOST1x is 4. */ + clock_configure_irregular_source(host1x, PLLP, 408000, 4); + + /* Use PLLD_OUT0 as clock source for disp1 */ + clrsetbits_le32(&clk_rst->clk_src_disp1, + CLK_SOURCE_MASK | CLK_DIVISOR_MASK, + 2 /*PLLD_OUT0 */ << CLK_SOURCE_SHIFT); + +} + +static void setup_pinmux(void) +{ + // Write protect. + gpio_input_pullup(GPIO(R1)); + // Recovery mode. + gpio_input_pullup(GPIO(Q7)); + // Lid switch. + gpio_input_pullup(GPIO(R4)); + // Power switch. + gpio_input_pullup(GPIO(Q0)); + // Developer mode. + gpio_input_pullup(GPIO(Q6)); + // EC in RW. + gpio_input_pullup(GPIO(U4)); + + // SOC and TPM reset GPIO, active low. + gpio_output(GPIO(I5), 1); + + // SPI1 MOSI + pinmux_set_config(PINMUX_ULPI_CLK_INDEX, PINMUX_ULPI_CLK_FUNC_SPI1 | + PINMUX_PULL_NONE | + PINMUX_INPUT_ENABLE); + // SPI1 MISO + pinmux_set_config(PINMUX_ULPI_DIR_INDEX, PINMUX_ULPI_DIR_FUNC_SPI1 | + PINMUX_PULL_NONE | + PINMUX_INPUT_ENABLE); + // SPI1 SCLK + pinmux_set_config(PINMUX_ULPI_NXT_INDEX, PINMUX_ULPI_NXT_FUNC_SPI1 | + PINMUX_PULL_NONE | + PINMUX_INPUT_ENABLE); + // SPI1 CS0 + pinmux_set_config(PINMUX_ULPI_STP_INDEX, PINMUX_ULPI_STP_FUNC_SPI1 | + PINMUX_PULL_NONE | + PINMUX_INPUT_ENABLE); + + // switch unused pin to GPIO + gpio_set_mode(GPIO(X3), GPIO_MODE_GPIO); + gpio_set_mode(GPIO(X4), GPIO_MODE_GPIO); + gpio_set_mode(GPIO(X5), GPIO_MODE_GPIO); + gpio_set_mode(GPIO(X6), GPIO_MODE_GPIO); + gpio_set_mode(GPIO(X7), GPIO_MODE_GPIO); + gpio_set_mode(GPIO(W3), GPIO_MODE_GPIO); + + // I2C1 clock. + pinmux_set_config(PINMUX_GEN1_I2C_SCL_INDEX, + PINMUX_GEN1_I2C_SCL_FUNC_I2C1 | PINMUX_INPUT_ENABLE); + // I2C1 data. + pinmux_set_config(PINMUX_GEN1_I2C_SDA_INDEX, + PINMUX_GEN1_I2C_SDA_FUNC_I2C1 | PINMUX_INPUT_ENABLE); + // I2C2 clock. + pinmux_set_config(PINMUX_GEN2_I2C_SCL_INDEX, + PINMUX_GEN2_I2C_SCL_FUNC_I2C2 | PINMUX_INPUT_ENABLE); + // I2C2 data. + pinmux_set_config(PINMUX_GEN2_I2C_SDA_INDEX, + PINMUX_GEN2_I2C_SDA_FUNC_I2C2 | PINMUX_INPUT_ENABLE); + // I2C3 (cam) clock. + pinmux_set_config(PINMUX_CAM_I2C_SCL_INDEX, + PINMUX_CAM_I2C_SCL_FUNC_I2C3 | PINMUX_INPUT_ENABLE); + // I2C3 (cam) data. + pinmux_set_config(PINMUX_CAM_I2C_SDA_INDEX, + PINMUX_CAM_I2C_SDA_FUNC_I2C3 | PINMUX_INPUT_ENABLE); + // I2C4 (DDC) clock. + pinmux_set_config(PINMUX_DDC_SCL_INDEX, + PINMUX_DDC_SCL_FUNC_I2C4 | PINMUX_INPUT_ENABLE); + // I2C4 (DDC) data. + pinmux_set_config(PINMUX_DDC_SDA_INDEX, + PINMUX_DDC_SDA_FUNC_I2C4 | PINMUX_INPUT_ENABLE); + + // TODO(hungte) Revice pinmux setup, make nice little SoC functions for + // every single logical thing instead of dumping a wall of code below. + uint32_t pin_up = PINMUX_PULL_UP | PINMUX_INPUT_ENABLE, + pin_up3 = (PINMUX_PULL_UP | PINMUX_INPUT_ENABLE | + PINMUX_TRISTATE), + pin_down = PINMUX_PULL_DOWN | PINMUX_INPUT_ENABLE, + pin_none = PINMUX_PULL_NONE | PINMUX_INPUT_ENABLE; + + // MMC3 + pinmux_set_config(PINMUX_SDMMC3_CLK_INDEX, + PINMUX_SDMMC3_CLK_FUNC_SDMMC3 | pin_none); + pinmux_set_config(PINMUX_SDMMC3_CMD_INDEX, + PINMUX_SDMMC3_CMD_FUNC_SDMMC3 | pin_up); + pinmux_set_config(PINMUX_SDMMC3_DAT0_INDEX, + PINMUX_SDMMC3_DAT0_FUNC_SDMMC3 | pin_up); + pinmux_set_config(PINMUX_SDMMC3_DAT1_INDEX, + PINMUX_SDMMC3_DAT1_FUNC_SDMMC3 | pin_up); + pinmux_set_config(PINMUX_SDMMC3_DAT2_INDEX, + PINMUX_SDMMC3_DAT2_FUNC_SDMMC3 | pin_up); + pinmux_set_config(PINMUX_SDMMC3_DAT3_INDEX, + PINMUX_SDMMC3_DAT3_FUNC_SDMMC3 | pin_up); + pinmux_set_config(PINMUX_SDMMC3_CLK_LB_IN_INDEX, + PINMUX_SDMMC3_CLK_LB_IN_FUNC_SDMMC3 | pin_up3); + pinmux_set_config(PINMUX_SDMMC3_CLK_LB_OUT_INDEX, + PINMUX_SDMMC3_CLK_LB_OUT_FUNC_SDMMC3 | pin_down); + + // MMC3 Card Detect pin. + gpio_input_pullup(GPIO(V2)); + // Enable MMC power. + gpio_output(GPIO(R0), 1); + + // MMC4 + pinmux_set_config(PINMUX_SDMMC4_CLK_INDEX, + PINMUX_SDMMC4_CLK_FUNC_SDMMC4 | pin_none); + pinmux_set_config(PINMUX_SDMMC4_CMD_INDEX, + PINMUX_SDMMC4_CMD_FUNC_SDMMC4 | pin_up); + pinmux_set_config(PINMUX_SDMMC4_DAT0_INDEX, + PINMUX_SDMMC4_DAT0_FUNC_SDMMC4 | pin_up); + pinmux_set_config(PINMUX_SDMMC4_DAT1_INDEX, + PINMUX_SDMMC4_DAT1_FUNC_SDMMC4 | pin_up); + pinmux_set_config(PINMUX_SDMMC4_DAT2_INDEX, + PINMUX_SDMMC4_DAT2_FUNC_SDMMC4 | pin_up); + pinmux_set_config(PINMUX_SDMMC4_DAT3_INDEX, + PINMUX_SDMMC4_DAT3_FUNC_SDMMC4 | pin_up); + pinmux_set_config(PINMUX_SDMMC4_DAT4_INDEX, + PINMUX_SDMMC4_DAT4_FUNC_SDMMC4 | pin_up); + pinmux_set_config(PINMUX_SDMMC4_DAT5_INDEX, + PINMUX_SDMMC4_DAT5_FUNC_SDMMC4 | pin_up); + pinmux_set_config(PINMUX_SDMMC4_DAT6_INDEX, + PINMUX_SDMMC4_DAT6_FUNC_SDMMC4 | pin_up); + pinmux_set_config(PINMUX_SDMMC4_DAT7_INDEX, + PINMUX_SDMMC4_DAT7_FUNC_SDMMC4 | pin_up); + + /* We pull the USB VBUS signals up but keep them as inputs since the + * voltage source likes to drive them low on overcurrent conditions */ + gpio_input_pullup(GPIO(N4)); /* USB VBUS EN0 */ + gpio_input_pullup(GPIO(N5)); /* USB VBUS EN1 */ + + /* Clock output 1 (for external peripheral) */ + pinmux_set_config(PINMUX_DAP_MCLK1_INDEX, + PINMUX_DAP_MCLK1_FUNC_EXTPERIPH1 | PINMUX_PULL_NONE); + + /* I2S1 */ + pinmux_set_config(PINMUX_DAP2_DIN_INDEX, + PINMUX_DAP2_DIN_FUNC_I2S1 | PINMUX_TRISTATE | + PINMUX_INPUT_ENABLE); + pinmux_set_config(PINMUX_DAP2_DOUT_INDEX, + PINMUX_DAP2_DOUT_FUNC_I2S1 | PINMUX_INPUT_ENABLE); + pinmux_set_config(PINMUX_DAP2_FS_INDEX, + PINMUX_DAP2_FS_FUNC_I2S1 | PINMUX_INPUT_ENABLE); + pinmux_set_config(PINMUX_DAP2_SCLK_INDEX, + PINMUX_DAP2_SCLK_FUNC_I2S1 | PINMUX_INPUT_ENABLE); + + /* PWM1 */ + pinmux_set_config(PINMUX_GPIO_PH1_INDEX, + PINMUX_GPIO_PH1_FUNC_PWM1 | PINMUX_PULL_NONE); +} + +static void setup_kernel_info(void) +{ + // Setup required information for Linux kernel. + + // pmc.odmdata: [18:19]: console type, [15:17]: UART id. + // TODO(hungte) This should be done by filling BCT values, or derived + // from CONFIG_CONSOLE_SERIAL_UART[A-E]. Right now we simply copy the + // value defined in BCT. + struct tegra_pmc_regs *pmc = (void*)TEGRA_PMC_BASE; + writel(0x80080000, &pmc->odmdata); + + // Not strictly info, but kernel graphics driver needs this region locked down + struct tegra_mc_regs *mc = (void *)TEGRA_MC_BASE; + writel(0, &mc->video_protect_bom); + writel(0, &mc->video_protect_size_mb); + writel(1, &mc->video_protect_reg_ctrl); +} + +static void setup_ec_spi(void) +{ + struct tegra_spi_channel *spi; + + spi = tegra_spi_init(CONFIG_EC_GOOGLE_CHROMEEC_SPI_BUS); + + /* Set frame header for use by CrOS EC */ + spi->frame_header = 0xec; + spi->rx_frame_header_enable = 1; +} + +static void mainboard_init(device_t dev) +{ + set_clock_sources(); + + clock_external_output(1); /* For external MAX98090 audio codec. */ + + /* + * Confirmed by NVIDIA hardware team, we need to take ALL audio devices + * conntected 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) will hang. + */ + clock_enable_clear_reset(CLK_L_GPIO | CLK_L_I2C1 | CLK_L_SDMMC4 | + CLK_L_I2S0 | CLK_L_I2S1 | CLK_L_I2S2 | + CLK_L_SPDIF | CLK_L_USBD | CLK_L_DISP1 | + CLK_L_HOST1X | CLK_L_PWM, + + CLK_H_EMC | CLK_H_I2C2 | CLK_H_SBC1 | + CLK_H_PMC | CLK_H_MEM | CLK_H_USB3, + + CLK_U_I2C3 | CLK_U_CSITE | CLK_U_SDMMC3, + + CLK_V_I2C4 | CLK_V_EXTPERIPH1 | CLK_V_APBIF | + CLK_V_AUDIO | CLK_V_I2S3 | CLK_V_I2S4 | + CLK_V_DAM0 | CLK_V_DAM1 | CLK_V_DAM2, + + CLK_W_DVFS | CLK_W_AMX0 | CLK_W_ADX0, + + CLK_X_DPAUX | CLK_X_SOR0 | CLK_X_AMX1 | + CLK_X_ADX1 | CLK_X_AFC0 | CLK_X_AFC1 | + CLK_X_AFC2 | CLK_X_AFC3 | CLK_X_AFC4 | + CLK_X_AFC5); + + usb_setup_utmip1(); + /* USB2 is the camera, we don't need it in firmware */ + usb_setup_utmip3(); + + setup_pinmux(); + + i2c_init(0); + i2c_init(1); + i2c_init(2); + i2c_init(3); + + setup_kernel_info(); + clock_init_arm_generic_timer(); + setup_ec_spi(); +} + +static void mainboard_enable(device_t dev) +{ + dev->ops->init = &mainboard_init; +} + +struct chip_operations mainboard_ops = { + .name = "nyan_blaze", + .enable_dev = mainboard_enable, +}; + +void lb_board(struct lb_header *header) +{ + struct lb_range *dma; + + dma = (struct lb_range *)lb_new_record(header); + dma->tag = LB_TAB_DMA; + dma->size = sizeof(*dma); + dma->range_start = CONFIG_DRAM_DMA_START; + dma->range_size = CONFIG_DRAM_DMA_SIZE; +} -- cgit v1.2.3