main.c File Reference

#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <types.h>
#include <log.h>
#include <common.h>
#include <mmc/sys-sdhci.h>
#include <sys-dram.h>
#include <sys-sdcard.h>
#include <sys-i2c.h>
#include <cli.h>
#include <cli_shell.h>
#include <cli_termesc.h>

Include dependency graph for main.c:

Classes
struct	voltage_config_t
	Voltage configuration structure. More...

Macros
#define	RES_CTRL_BASE_VAL   0x19190000 /* Base value for resource control registers */
#define	RES_VAL_MASK   0xF /* Resource configuration value mask */
#define	DEFAULT_SYS_VOLTAGE   900 /* Default system voltage 0.9V */
#define	DEFAULT_GPU_VOLTAGE   940 /* Default GPU voltage 0.94V */
#define	VDD_DCDC1_VOLTAGE   1050 /* DCDC1 voltage 1.05V */
#define	VDD_3V3_VOLTAGE   3300 /* 3.3V voltage */
#define	VDD_1V8_VOLTAGE   1800 /* 1.8V voltage */
#define	EFUSE_ADDR_OFFSET   0x214 /* EFUSE register offset */
#define	EFUSE_MASK   0xFF0000 /* EFUSE mask */
#define	EFUSE_EXT_MASK   0xFF000000 /* Extended EFUSE mask */
#define	EFUSE_SHIFT   16 /* EFUSE shift */
#define	EFUSE_EXT_SHIFT   24 /* Extended EFUSE shift */

Functions
	msh_declare_command (bt)
	msh_define_help (bt, "backtrace test", "Usage: bt\n")
int	cmd_bt (int argc, const char **argv)
	msh_declare_command (ddr_test)
	msh_define_help (ddr_test, "ddr w/r test", "Usage: ddr_test\n")
int	cmd_ddr_test (int argc, const char **argv)
static void	sunxi_res_ctrl_init (void)
	Initialize resource controller.
static voltage_config_t	get_voltage_config (uint8_t efuse_value)
	Get voltage configuration based on EFUSE value.
static void	sunxi_board_power_init (void)
	Initialize board power system.
int	main (void)

Variables
sunxi_serial_t	uart_dbg
sunxi_i2c_t	i2c_pmu
sunxi_sdhci_t	sdhci0
uint32_t	dram_para [128]
const msh_command_entry	commands []

Macro Definition Documentation

DEFAULT_GPU_VOLTAGE

#define DEFAULT_GPU_VOLTAGE   940 /* Default GPU voltage 0.94V */

DEFAULT_SYS_VOLTAGE

#define DEFAULT_SYS_VOLTAGE   900 /* Default system voltage 0.9V */

EFUSE_ADDR_OFFSET

#define EFUSE_ADDR_OFFSET   0x214 /* EFUSE register offset */

EFUSE_EXT_MASK

#define EFUSE_EXT_MASK   0xFF000000 /* Extended EFUSE mask */

EFUSE_EXT_SHIFT

#define EFUSE_EXT_SHIFT   24 /* Extended EFUSE shift */

EFUSE_MASK

#define EFUSE_MASK   0xFF0000 /* EFUSE mask */

EFUSE_SHIFT

#define EFUSE_SHIFT   16 /* EFUSE shift */

RES_CTRL_BASE_VAL

#define RES_CTRL_BASE_VAL   0x19190000 /* Base value for resource control registers */

RES_VAL_MASK

#define RES_VAL_MASK   0xF /* Resource configuration value mask */

VDD_1V8_VOLTAGE

#define VDD_1V8_VOLTAGE   1800 /* 1.8V voltage */

VDD_3V3_VOLTAGE

#define VDD_3V3_VOLTAGE   3300 /* 3.3V voltage */

VDD_DCDC1_VOLTAGE

#define VDD_DCDC1_VOLTAGE   1050 /* DCDC1 voltage 1.05V */

Function Documentation

cmd_bt()

int cmd_bt	(	int	argc,
		const char **	argv
	)

cmd_ddr_test()

int cmd_ddr_test	(	int	argc,
		const char **	argv
	)

get_voltage_config()

static voltage_config_t get_voltage_config ( uint8_t  efuse_value )

static

Get voltage configuration based on EFUSE value.

Parameters

efuse_value

Value read from EFUSE register

Returns

voltage_config_t Voltage configuration structure

main()

int main

(

void

)

msh_declare_command() [1/2]

msh_declare_command

(

bt

)

msh_declare_command() [2/2]

msh_declare_command

(

ddr_test

)

msh_define_help() [1/2]

msh_define_help	(	bt	,
		"backtrace test"	,
		"Usage: bt\n"
	)

msh_define_help() [2/2]

msh_define_help	(	ddr_test	,
		"ddr w/r test"	,
		"Usage: ddr_test\n"
	)

sunxi_board_power_init()

static void sunxi_board_power_init ( void  )

static

Initialize board power system.

1. Read EFUSE value to determine voltage configuration
2. Initialize I2C and PMU chips
3. Configure each power rail voltage based on SOC version and EFUSE value

sunxi_res_ctrl_init()

static void sunxi_res_ctrl_init ( void  )

static

Initialize resource controller.

Read resource configuration values from SID registers and set corresponding resource control registers including DSI, CSI, USB, EDP, HS_COMBO, and DDR

Variable Documentation

commands

const msh_command_entry commands[]

Initial value:

= {
        msh_define_command(bt),
        msh_define_command(ddr_test),
        msh_command_end,
}

dram_para

uint32_t dram_para[128]

extern

i2c_pmu

sunxi_i2c_t i2c_pmu

extern

sdhci0

sunxi_sdhci_t sdhci0

extern

uart_dbg

sunxi_serial_t uart_dbg

extern