power.c File Reference

#include <device/mmio.h>
#include <assert.h>
#include <console/console.h>
#include <soc/addressmap.h>
#include <soc/pmc.h>
#include <soc/power.h>

Include dependency graph for power.c:

Go to the source code of this file.

Enumerations
enum	{ POWER_GATE = 0 , POWER_UNGATE = 1 }

Functions
static int	partition_powered (int id)
static void	power_gate_toggle_request (uint32_t id, int request)
void	power_gate_partition (uint32_t id)
void	power_ungate_partition (uint32_t id)
uint8_t	pmc_rst_status (void)
void	pmc_print_rst_status (void)
static int	partition_clamp_on (int id)
void	remove_clamps (int id)
void	pmc_override_pwr_det (uint32_t bits, uint32_t override)

Variables
static struct tegra_pmc_regs *const	pmc = (void *)TEGRA_PMC_BASE
static const char *const	power_gate_string []
static const char *	pmc_rst_status_str [PMC_RST_STATUS_NUM_SOURCES]

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
POWER_GATE
POWER_UNGATE

Definition at line 12 of file power.c.

Function Documentation

partition_clamp_on()

static int partition_clamp_on ( int  id )

static

Definition at line 95 of file power.c.

References tegra_pmc_regs::clamp_status, pmc, and read32().

Referenced by remove_clamps().

Here is the call graph for this function:

Here is the caller graph for this function:

partition_powered()

static int partition_powered ( int  id )

static

Definition at line 17 of file power.c.

References pmc, POWER_GATE, POWER_UNGATE, tegra_pmc_regs::pwrgate_status, and read32().

Referenced by power_gate_toggle_request().

Here is the call graph for this function:

Here is the caller graph for this function:

pmc_override_pwr_det()

void pmc_override_pwr_det	(	uint32_t	bits,
		uint32_t	override
	)

Definition at line 113 of file power.c.

References pmc, tegra_pmc_regs::pwr_det_val, read32(), val, and write32().

Referenced by bootblock_mainboard_init().

Here is the call graph for this function:

Here is the caller graph for this function:

pmc_print_rst_status()

void pmc_print_rst_status

(

void

)

Definition at line 87 of file power.c.

References assert, BIOS_INFO, pmc_rst_status(), PMC_RST_STATUS_NUM_SOURCES, pmc_rst_status_str, printk, and tegra_pmc_regs::rst_status.

Referenced by tegra210_main().

Here is the call graph for this function:

Here is the caller graph for this function:

pmc_rst_status()

uint8_t pmc_rst_status

(

void

)

Definition at line 74 of file power.c.

References pmc, PMC_RST_STATUS_SOURCE_MASK, read32(), and tegra_pmc_regs::rst_status.

Referenced by pmc_print_rst_status().

Here is the call graph for this function:

Here is the caller graph for this function:

power_gate_partition()

void power_gate_partition

(

uint32_t

id

)

Definition at line 64 of file power.c.

References POWER_GATE, and power_gate_toggle_request().

Referenced by powergate_unused_partitions().

Here is the call graph for this function:

Here is the caller graph for this function:

power_gate_toggle_request()

static void power_gate_toggle_request ( uint32_t  id, int  request  )

static

Definition at line 30 of file power.c.

References BIOS_INFO, partition_powered(), pmc, PMC_PWRGATE_TOGGLE_PARTID_MASK, PMC_PWRGATE_TOGGLE_PARTID_SHIFT, PMC_PWRGATE_TOGGLE_START, power_gate_string, printk, tegra_pmc_regs::pwrgate_toggle, read32(), and write32().

Referenced by power_gate_partition(), and power_ungate_partition().

Here is the call graph for this function:

Here is the caller graph for this function:

power_ungate_partition()

void power_ungate_partition

(

uint32_t

id

)

Definition at line 69 of file power.c.

References power_gate_toggle_request(), and POWER_UNGATE.

Here is the call graph for this function:

remove_clamps()

void remove_clamps

(

int

id

)

Definition at line 100 of file power.c.

References partition_clamp_on(), pmc, tegra_pmc_regs::remove_clamping_cmd, and write32().

Referenced by soc_configure_ape(), and soc_configure_host1x().

Here is the call graph for this function:

Here is the caller graph for this function:

Variable Documentation

pmc

struct tegra_pmc_regs* const pmc = (void *)TEGRA_PMC_BASE

static

Definition at line 10 of file power.c.

Referenced by partition_clamp_on(), partition_powered(), pmc_override_pwr_det(), pmc_rst_status(), power_gate_toggle_request(), and remove_clamps().

pmc_rst_status_str

const char* pmc_rst_status_str[PMC_RST_STATUS_NUM_SOURCES]

static

Initial value:

= {
        [PMC_RST_STATUS_SOURCE_POR] = "POR",
        [PMC_RST_STATUS_SOURCE_WATCHDOG] = "Watchdog",
        [PMC_RST_STATUS_SOURCE_SENSOR] = "Sensor",
        [PMC_RST_STATUS_SOURCE_SW_MAIN] = "SW Main",
        [PMC_RST_STATUS_SOURCE_LP0] = "LP0",
}

Definition at line 79 of file power.c.

Referenced by pmc_print_rst_status().

power_gate_string

const char* const power_gate_string[]

static

Initial value:

= {
        [POWER_GATE] = "Gat",
        [POWER_UNGATE] = "Ungat",
}

Definition at line 25 of file power.c.

Referenced by power_gate_toggle_request().