#include <soc/padconfig.h>
#include <soc/verstage.h>
#include <soc/nvidia/tegra/i2c.h>
static const struct pad_config i2cpad[] = {
/* TPM I2C */
PAD_CFG_SFIO(CAM_I2C_SCL, PINMUX_INPUT_ENABLE, I2C3),
PAD_CFG_SFIO(CAM_I2C_SDA, PINMUX_INPUT_ENABLE, I2C3),
};
static const struct pad_config spipad[] = {
/* EC on SPI1: mosi, miso, clk, cs */
PAD_CFG_SFIO(ULPI_CLK, PINMUX_INPUT_ENABLE, SPI1),
PAD_CFG_SFIO(ULPI_DIR, PINMUX_INPUT_ENABLE, SPI1),
PAD_CFG_SFIO(ULPI_NXT, PINMUX_INPUT_ENABLE, SPI1),
PAD_CFG_SFIO(ULPI_STP, PINMUX_INPUT_ENABLE, SPI1),
};
static const struct funit_cfg funitcfgs[] = {
FUNIT_CFG(SBC1, CLK_M, 3000, spipad, ARRAY_SIZE(spipad)),
FUNIT_CFG(I2C3, PLLP, 400, i2cpad, ARRAY_SIZE(i2cpad)),
};
void verstage_mainboard_init(void)
{
soc_configure_funits(funitcfgs, ARRAY_SIZE(funitcfgs));
/* TPM I2C bus */
i2c_init(2);
}
static const struct pad_config pmic_pads[] = {
PAD_CFG_SFIO(PWR_I2C_SCL, PINMUX_INPUT_ENABLE, I2CPMU),
PAD_CFG_SFIO(PWR_I2C_SDA, PINMUX_INPUT_ENABLE, I2CPMU),
};
static const struct pad_config spiflash_pads[] = {
/* mosi, miso, clk, cs0 */
PAD_CFG_SFIO(GPIO_PG6, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SPI4),
PAD_CFG_SFIO(GPIO_PG7, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SPI4),
PAD_CFG_SFIO(GPIO_PG5, PINMUX_INPUT_ENABLE, SPI4),
PAD_CFG_SFIO(GPIO_PI3, PINMUX_INPUT_ENABLE, SPI4),
};
static const struct funit_cfg funits[] = {
/* PMIC on I2C5 (PWR_I2C* pads) at 400kHz. */
FUNIT_CFG(I2C5, PLLP, 400, pmic_pads, ARRAY_SIZE(pmic_pads)),
/* SPI flash at 33MHz on SPI4 controller. */
FUNIT_CFG(SBC4, PLLP, 33333, spiflash_pads, ARRAY_SIZE(spiflash_pads)),
};
void bootblock_mainboard_early_init(void)
{
soc_configure_pads(uart_console_pads, ARRAY_SIZE(uart_console_pads));
}
static void set_clock_sources(void)
{
/* UARTA gets PLLP, deactivate CLK_UART_DIV_OVERRIDE */
write32(CLK_RST_REG(clk_src_uarta), PLLP << CLK_SOURCE_SHIFT);
}
#include <soc/nvidia/tegra/i2c.h>
#include "gpio.h"
#include "pmic.h"
static const struct pad_config tpm_pads[] = {
PAD_CFG_SFIO(CAM_I2C_SCL, PINMUX_INPUT_ENABLE, I2C3),
PAD_CFG_SFIO(CAM_I2C_SDA, PINMUX_INPUT_ENABLE, I2C3),
};
static const struct pad_config ec_i2c_pads[] = {
PAD_CFG_SFIO(GEN2_I2C_SCL, PINMUX_OPEN_DRAIN|PINMUX_INPUT_ENABLE, I2C2),
PAD_CFG_SFIO(GEN2_I2C_SDA, PINMUX_OPEN_DRAIN|PINMUX_INPUT_ENABLE, I2C2),
};
static const struct funit_cfg funits[] = {
/* TPM on I2C3 @ 400kHz */
FUNIT_CFG(I2C3, PLLP, 400, tpm_pads, ARRAY_SIZE(tpm_pads)),
/* EC on I2C2 - pulled to 3.3V @ 100kHz */
FUNIT_CFG(I2C2, PLLP, 100, ec_i2c_pads, ARRAY_SIZE(ec_i2c_pads)),
};
void verstage_mainboard_init(void)
{
soc_configure_funits(funits, ARRAY_SIZE(funits));
/* TPM */
i2c_init(I2C3_BUS);
/* EC */
i2c_init(I2C2_BUS);
}
static const struct pad_config i2cpad[] = {
/* PMIC i2C bus */
PAD_CFG_SFIO(PWR_I2C_SCL, PINMUX_INPUT_ENABLE, I2CPMU),
PAD_CFG_SFIO(PWR_I2C_SDA, PINMUX_INPUT_ENABLE, I2CPMU),
};
static const struct pad_config spipad[] = {
/* SPI fLash: mosi, miso, clk, cs0 */
PAD_CFG_SFIO(GPIO_PG6, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SPI4),
PAD_CFG_SFIO(GPIO_PG7, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, SPI4),
PAD_CFG_SFIO(GPIO_PG5, PINMUX_INPUT_ENABLE, SPI4),
PAD_CFG_SFIO(GPIO_PI3, PINMUX_INPUT_ENABLE, SPI4),
};
static const struct funit_cfg funitcfgs[] = {
FUNIT_CFG(I2C5, PLLP, 400, i2cpad, ARRAY_SIZE(i2cpad)),
FUNIT_CFG(SBC4, PLLP, 33333, spipad, ARRAY_SIZE(spipad)),
};
void bootblock_mainboard_early_init(void)
{
soc_configure_pads(uart_console_pads, ARRAY_SIZE(uart_console_pads));
}
static void set_clock_sources(void)
{
/* UARTA gets PLLP, deactivate CLK_UART_DIV_OVERRIDE */
write32(CLK_RST_REG(clk_src_uarta), PLLP << CLK_SOURCE_SHIFT);
}
void bootblock_mainboard_init(void)
PAD_CFG_SFIO(GEN1_I2C_SDA, PINMUX_INPUT_ENABLE, I2C1),
};
static const struct pad_config i2s1_pad[] = {
/* I2S1 */
PAD_CFG_SFIO(DAP1_SCLK, PINMUX_INPUT_ENABLE, I2S1),
PAD_CFG_SFIO(DAP1_FS, PINMUX_INPUT_ENABLE, I2S1),
PAD_CFG_SFIO(DAP1_DOUT, PINMUX_INPUT_ENABLE, I2S1),
PAD_CFG_SFIO(DAP1_DIN, PINMUX_INPUT_ENABLE | PINMUX_TRISTATE, I2S1),
/* codec MCLK via AUD SFIO */
PAD_CFG_SFIO(AUD_MCLK, PINMUX_PULL_NONE, AUD),
};
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 const struct funit_cfg funitcfgs[] = {
FUNIT_CFG(SDMMC1, PLLP, 48000, sdmmc1_pad, ARRAY_SIZE(sdmmc1_pad)),
FUNIT_CFG(SDMMC4, PLLP, 48000, NULL, 0),
FUNIT_CFG(I2C1, PLLP, 100, i2c1_pad, ARRAY_SIZE(i2c1_pad)),
FUNIT_CFG_USB(USBD),
};
/* Audio init: clocks and enables/resets */
static void setup_audio(void)
{
/* Audio codec (ES755) uses OSC freq (via AUD_MCLK), s/b 38.4MHz */
soc_configure_funits(audio_funit, ARRAY_SIZE(audio_funit));
PAD_CFG_SFIO(QSPI_IO1, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, QSPI),
PAD_CFG_SFIO(QSPI_SCK, PINMUX_INPUT_ENABLE, QSPI),
PAD_CFG_SFIO(QSPI_CS_N, PINMUX_INPUT_ENABLE, QSPI),
PAD_CFG_SFIO(QSPI_IO2, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, QSPI),
PAD_CFG_SFIO(QSPI_IO3, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, QSPI),
};
/********************* TPM ************************************/
static const struct pad_config tpm_pads[] = {
PAD_CFG_SFIO(GEN3_I2C_SCL, PINMUX_INPUT_ENABLE, I2C3),
PAD_CFG_SFIO(GEN3_I2C_SDA, PINMUX_INPUT_ENABLE, I2C3),
};
static const struct funit_cfg funits[] = {
/* PMIC on I2C5 (PWR_I2C* pads) at 400kHz. */
FUNIT_CFG(I2C5, PLLP, 400, pmic_pads, ARRAY_SIZE(pmic_pads)),
/* SPI flash at 24MHz on QSPI controller. */
FUNIT_CFG(QSPI, PLLP, 24000, spiflash_pads, ARRAY_SIZE(spiflash_pads)),
/* Foster has no TPM yet. This is for futurn TPM on I2C3 @ 400kHz. */
FUNIT_CFG(I2C3, PLLP, 400, tpm_pads, ARRAY_SIZE(tpm_pads)),
};
static const struct pad_config uart_console_pads[] = {
/* UARTA: tx, rx, rts, cts */
PAD_CFG_SFIO(UART1_TX, PINMUX_PULL_NONE, UARTA),
PAD_CFG_SFIO(UART1_RX, PINMUX_INPUT_ENABLE | PINMUX_PULL_UP, UARTA),
PAD_CFG_SFIO(UART1_RTS, PINMUX_PULL_UP, UARTA),
PAD_CFG_SFIO(UART1_CTS, PINMUX_PULL_UP, UARTA),
};
void bootblock_mainboard_early_init(void)
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 audio_codec_pads[] = {
/* H1 is CODEC_RST_L and R2(ROW2) is AUDIO_ENABLE */
PAD_CFG_GPIO_OUT1(GPIO_PH1, PINMUX_PULL_DOWN),
PAD_CFG_GPIO_OUT1(KB_ROW2, PINMUX_PULL_DOWN),
};
static const struct funit_cfg funits[] = {
/* MMC on SDMMC4 controller at 48MHz. */
FUNIT_CFG(SDMMC4, PLLP, 48000, mmcpads, ARRAY_SIZE(mmcpads)),
/* I2C6 for audio, temp sensor, etc. Enable codec via GPIOs/muxes */
FUNIT_CFG(I2C6, PLLP, 400, audio_codec_pads, ARRAY_SIZE(audio_codec_pads)),
FUNIT_CFG_USB(USBD),
};
/* HACK: For proto boards before proto3, we want to disable ec sw sync */
static void fix_ec_sw_sync(void)
{
#if IS_ENABLED(CONFIG_CHROMEOS)
struct vboot_handoff *vh;
if (board_id() >= BOARD_ID_PROTO_3)
return;
vh = cbmem_find(CBMEM_ID_VBOOT_HANDOFF);
PAD_CFG_SFIO(GEN1_I2C_SDA, PINMUX_INPUT_ENABLE, I2C1),
};
static const struct pad_config i2s1_pad[] = {
/* I2S1 */
PAD_CFG_SFIO(DAP1_SCLK, PINMUX_INPUT_ENABLE, I2S1),
PAD_CFG_SFIO(DAP1_FS, PINMUX_INPUT_ENABLE, I2S1),
PAD_CFG_SFIO(DAP1_DOUT, PINMUX_INPUT_ENABLE, I2S1),
PAD_CFG_SFIO(DAP1_DIN, PINMUX_INPUT_ENABLE | PINMUX_TRISTATE, I2S1),
/* codec MCLK via AUD SFIO */
PAD_CFG_SFIO(AUD_MCLK, PINMUX_PULL_NONE, AUD),
};
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 const struct funit_cfg funitcfgs[] = {
FUNIT_CFG(SDMMC1, PLLP, 48000, sdmmc1_pad, ARRAY_SIZE(sdmmc1_pad)),
FUNIT_CFG(SDMMC4, PLLP, 48000, NULL, 0),
FUNIT_CFG(I2C1, PLLP, 100, i2c1_pad, ARRAY_SIZE(i2c1_pad)),
FUNIT_CFG(I2C6, PLLP, 400, audio_codec_pads, ARRAY_SIZE(audio_codec_pads)),
FUNIT_CFG_USB(USBD),
};
/* Audio init: clocks and enables/resets */
static void setup_audio(void)
{
/* Audio codec (ES755) uses OSC freq (via AUD_MCLK), s/b 38.4MHz */
soc_configure_funits(audio_funit, ARRAY_SIZE(audio_funit));
