void early_mainboard_init(void)
{
clock_enable_clear_reset(0, CLK_H_SBC1, CLK_U_I2C3, 0, 0, 0);
setup_pinmux();
configure_ec_spi_bus();
configure_tpm_i2c_bus();
}
static int __init spi_init(void)
{
int ret ;
ret = spi_int();
if( ret )
{
printk(KERN_INFO "SPI was not able to set ");
return ret;
}
ret = setup_pinmux(); // way of setting up gpio in linux kernel
if(ret)
{
printk(KERN_INFO "CHIP SELECT OF GPIO WAS NOT ABLE TO SET");
}
static struct netlink_kernel_cfg cfg;
printk("Entering: %s\n",__FUNCTION__);
// nl_sk=netlink_kernel_create(&init_net, NETLINK_USER, NULL); //used if kernel version is less than 2.60
cfg.input = nl_recv_send_msg; //for kernel version < 2.60
nl_sk=netlink_kernel_create(&init_net, NETLINK_USER, &cfg );
if(!nl_sk)
{
printk(KERN_ALERT "Error creating socket.\n");
return -10;
}
return 0;
}
static void hardware_init(void) {
// Setup UART clocks
setup_pinmux();
spi_init();
spi_setup_device(SPI_DEVICE_1, SSP_BITS_8, SSP_FRAMEFORMAT_SPI, SSP_CLOCK_MODE0, true);
SDCardInit();
i2c_onboard_init();
}
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<XBAR>) will hang.
*
* Note that CLK_H_MEM (MC) and CLK_H_EMC should be already either
* initialized by BootROM, or in romstage SDRAM initialization.
*/
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_I2C2 | CLK_H_PMC | CLK_H_USB3,
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_utmip((void*)TEGRA_USBD_BASE);
/* USB2 is the camera, we don't need it in firmware */
usb_setup_utmip((void*)TEGRA_USB3_BASE);
setup_pinmux();
i2c_init(0);
i2c_init(1);
i2c_init(3);
setup_kernel_info();
clock_init_arm_generic_timer();
setup_ec_spi();
#if CONFIG_ELOG
elog_init();
elog_add_boot_reason();
#endif
}
static void hardware_initialize() {
// Setup pin multiplexing
setup_pinmux(UART2_TXD);
setup_pinmux(UART2_RXD);
setup_pinmux(UART2_CTS);
setup_pinmux(UART2_RTS);
//setup_pinmux(GP0_15);
gpio_direction_output(BT_SHUTDOWN_PIN, 0);
setup_pinmux(BT_SHUTDOWN_PIN);
// Setup Bluetooth slow clock
setup_pinmux(ECAP2_APWM2);
//setup_pinmux(GP0_12);
PSC1.MDCTL[20] |= 0x3; // Enable ECAP module
PSC1.PTCMD |= 0x3;
SYSCFG1.PUPD_ENA &= ~0x00000004;
ECAP2.TSCTR = 0;
ECAP2.CTRPHS = 0;
ECAP2.ECCTL2 = 0x690;
ECAP2.CAP2 = 2289; // ECAP2.CAP2 = 2014;
ECAP2.CAP1 = 4578; // ECAP2.CAP1 = 4028;
// Enable Bluetooth module
gpio_direction_output(BT_SHUTDOWN_PIN, 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<XBAR>) 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_PMC |
CLK_H_MEM | CLK_H_USB2 | CLK_H_USB3,
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_utmip((void*)TEGRA_USBD_BASE);
usb_setup_utmip((void*)TEGRA_USB2_BASE);
usb_setup_utmip((void*)TEGRA_USB3_BASE);
setup_pinmux();
i2c_init(0);
i2c_init(1);
i2c_init(3);
setup_kernel_info();
clock_init_arm_generic_timer();
setup_ec_spi();
}
