pcie.c File Reference

#include <commonlib/stdlib.h>
#include <console/console.h>
#include <device/mmio.h>
#include <device/resource.h>
#include <delay.h>
#include <soc/addressmap.h>
#include <soc/early_init.h>
#include <soc/gpio.h>
#include <soc/pcie.h>
#include <soc/pcie_common.h>
#include <stdlib.h>
#include <string.h>

Include dependency graph for pcie.c:

Go to the source code of this file.

Data Structures
struct	pad_func

Macros
#define	PCIE_REG_BASE_PORT0   0x112f0000
#define	PCIE_RST_CTRL_REG   (PCIE_REG_BASE_PORT0 + 0x148)
#define	PCIE_MAC_RSTB   BIT(0)
#define	PCIE_PHY_RSTB   BIT(1)
#define	PCIE_BRG_RSTB   BIT(2)
#define	PCIE_PE_RSTB   BIT(3)
#define	PAD_FUNC(name, func)   {GPIO(name), PAD_##name##_FUNC_##func}

Functions
static void	mtk_pcie_set_pinmux (uint8_t port)
void	mtk_pcie_reset (uintptr_t reg, bool enable)
void	mtk_pcie_pre_init (void)

Variables
static const struct pad_func	pcie_pins [2][3]

Macro Definition Documentation

PAD_FUNC

#define PAD_FUNC	(		name,
			func
	)		{GPIO(name), PAD_##name##_FUNC_##func}

Definition at line 28 of file pcie.c.

PCIE_BRG_RSTB

#define PCIE_BRG_RSTB   BIT(2)

Definition at line 20 of file pcie.c.

PCIE_MAC_RSTB

#define PCIE_MAC_RSTB   BIT(0)

Definition at line 18 of file pcie.c.

PCIE_PE_RSTB

#define PCIE_PE_RSTB   BIT(3)

Definition at line 21 of file pcie.c.

PCIE_PHY_RSTB

#define PCIE_PHY_RSTB   BIT(1)

Definition at line 19 of file pcie.c.

PCIE_REG_BASE_PORT0

#define PCIE_REG_BASE_PORT0   0x112f0000

Definition at line 16 of file pcie.c.

PCIE_RST_CTRL_REG

#define PCIE_RST_CTRL_REG   (PCIE_REG_BASE_PORT0 + 0x148)

Definition at line 17 of file pcie.c.

Function Documentation

mtk_pcie_pre_init()

void mtk_pcie_pre_init

(

void

)

Definition at line 70 of file pcie.c.

References EARLY_INIT_PCIE, early_init_save_time(), mtk_pcie_reset(), mtk_pcie_set_pinmux(), and PCIE_RST_CTRL_REG.

Referenced by bootblock_mainboard_init().

Here is the call graph for this function:

Here is the caller graph for this function:

mtk_pcie_reset()

void mtk_pcie_reset	(	uintptr_t	reg,
		bool	enable
	)

Definition at line 54 of file pcie.c.

References PCIE_BRG_RSTB, PCIE_MAC_RSTB, PCIE_PE_RSTB, PCIE_PHY_RSTB, read32p(), val, and write32p().

Referenced by mtk_pcie_domain_enable(), and mtk_pcie_pre_init().

Here is the call graph for this function:

Here is the caller graph for this function:

mtk_pcie_set_pinmux()

static void mtk_pcie_set_pinmux ( uint8_t  port )

static

Definition at line 43 of file pcie.c.

References ARRAY_SIZE, pad_func::func, GPIO_PULL_ENABLE, GPIO_PULL_UP, gpio_set_mode(), gpio_set_pull(), pcie_pins, and pins.

Referenced by mtk_pcie_pre_init().

Here is the call graph for this function:

Here is the caller graph for this function:

Variable Documentation

pcie_pins

const struct pad_func pcie_pins[2][3]

static

Initial value:

= {
        {
                PAD_FUNC(PCIE_WAKE_N, WAKEN),
                PAD_FUNC(PCIE_PERESET_N, PERSTN),
                PAD_FUNC(PCIE_CLKREQ_N, CLKREQN),
        },
        {
                PAD_FUNC(CMMCLK0, PERSTN_1),
                PAD_FUNC(CMMCLK1, CLKREQN_1),
                PAD_FUNC(CMMCLK2, WAKEN_1),
        },
}

Definition at line 1 of file pcie.c.

Referenced by mtk_pcie_set_pinmux().