uart.c File Reference

#include <device/mmio.h>
#include <device/pci_ops.h>
#include <device/pci_def.h>
#include <fsp/soc_binding.h>
#include <commonlib/helpers.h>
#include <soc/bootblock.h>
#include <soc/gpio_defs.h>
#include <soc/uart.h>

Include dependency graph for uart.c:

Go to the source code of this file.

Macros
#define	ELEM_OF_UART_TAB   ARRAY_SIZE(legacy_uart_ioadr_tab)

Functions
static void	pci_early_hsuart_device_probe (u8 bus, u8 dev, u8 func, u32 mmio_base)
static void	early_config_gpio (void)
void	early_uart_init (void)

Variables
static uint16_t	legacy_uart_ioadr_tab [] = {0x3F8, 0x2F8, 0x3E8, 0x2E8}

Macro Definition Documentation

ELEM_OF_UART_TAB

#define ELEM_OF_UART_TAB   ARRAY_SIZE(legacy_uart_ioadr_tab)

Definition at line 15 of file uart.c.

Function Documentation

early_config_gpio()

static void early_config_gpio ( void  )

static

Definition at line 56 of file uart.c.

References B_PCH_GPIO_PAD_MODE, N_PCH_GPIO_PAD_MODE, PCH_PCR_ADDRESS, PID_GPIOCOM1, R_PAD_CFG_DW0_PCIE_CLKREQ5_N, R_PAD_CFG_DW0_SATA0_SDOUT, R_PAD_CFG_DW0_SATA1_SDOUT, R_PAD_CFG_DW0_SMB3_CLTT_CLK, R_PAD_CFG_DW0_UART0_RXD, R_PAD_CFG_DW0_UART0_TXD, R_PAD_CFG_DW0_UART1_RXD, R_PAD_CFG_DW0_UART1_TXD, read32(), V_PCH_GPIO_PAD_MODE_NAT_1, V_PCH_GPIO_PAD_MODE_NAT_2, V_PCH_GPIO_PAD_MODE_NAT_3, and write32().

Referenced by early_uart_init().

Here is the call graph for this function:

Here is the caller graph for this function:

early_uart_init()

void early_uart_init

(

void

)

Definition at line 161 of file uart.c.

References BUILD_BUG_ON, DENVERTON_UARTS_TO_INI, early_config_gpio(), ELEM_OF_UART_TAB, legacy_uart_ioadr_tab, and pci_early_hsuart_device_probe().

Referenced by bootblock_soc_early_init().

Here is the call graph for this function:

Here is the caller graph for this function:

pci_early_hsuart_device_probe()

static void pci_early_hsuart_device_probe ( u8  bus, u8  dev, u8  func, u32  mmio_base  )

static

Definition at line 17 of file uart.c.

References CONFIG, PCI_BASE_ADDRESS_0, PCI_BASE_ADDRESS_1, PCI_COMMAND, PCI_COMMAND_IO, PCI_COMMAND_MASTER, PCI_COMMAND_MEMORY, PCI_DEV, pci_read_config16(), pci_write_config16(), pci_write_config32(), PSR_OFFSET, and SIZE_OF_HSUART_RES.

Referenced by early_uart_init().

Here is the call graph for this function:

Here is the caller graph for this function:

Variable Documentation

legacy_uart_ioadr_tab

uint16_t legacy_uart_ioadr_tab[] = {0x3F8, 0x2F8, 0x3E8, 0x2E8}

static

Definition at line 13 of file uart.c.

Referenced by early_uart_init().