pmif.c File Reference

#include <assert.h>
#include <console/console.h>
#include <device/mmio.h>
#include <soc/addressmap.h>
#include <soc/pmif.h>
#include <soc/pmif_spi.h>
#include <soc/pmif_spmi.h>
#include <soc/pmif_sw.h>
#include <soc/spmi.h>
#include <timer.h>

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Functions
static int	pmif_check_swinf (struct pmif *arb, long timeout_us, u32 expected_status)
static void	pmif_send_cmd (struct pmif *arb, int write, u32 opc, u32 slvid, u32 addr, u32 *rdata, u32 wdata, u32 len)
static void	pmif_spmi_read (struct pmif *arb, u32 slvid, u32 reg, u32 *data)
static void	pmif_spmi_write (struct pmif *arb, u32 slvid, u32 reg, u32 data)
static u32	pmif_spmi_read_field (struct pmif *arb, u32 slvid, u32 reg, u32 mask, u32 shift)
static void	pmif_spmi_write_field (struct pmif *arb, u32 slvid, u32 reg, u32 val, u32 mask, u32 shift)
static void	pmif_spi_read (struct pmif *arb, u32 slvid, u32 reg, u32 *data)
static void	pmif_spi_write (struct pmif *arb, u32 slvid, u32 reg, u32 data)
static u32	pmif_spi_read_field (struct pmif *arb, u32 slvid, u32 reg, u32 mask, u32 shift)
static void	pmif_spi_write_field (struct pmif *arb, u32 slvid, u32 reg, u32 val, u32 mask, u32 shift)
static int	is_pmif_init_done (struct pmif *arb)
struct pmif *	get_pmif_controller (int inf, int mstid)
static void	pmif_select (enum pmic_interface mode)
void	pmwrap_interface_init (void)
int	mtk_pmif_init (void)

Variables
static const struct pmif	pmif_spmi_arb []
static const struct pmif	pmif_spi_arb []

Function Documentation

get_pmif_controller()

struct pmif* get_pmif_controller	(	int	inf,
		int	mstid
	)

Definition at line 168 of file pmif.c.

References ARRAY_SIZE, die(), pmif::mstid, NULL, PMIF_SPI, pmif_spi_arb, PMIF_SPMI, and pmif_spmi_arb.

Referenced by buf_read(), buf_write(), init_pmif_arb(), mtk_pmif_init(), pmic_read(), pmif_spmi_enable(), pmif_spmi_enable_cmdIssue(), pmif_spmi_enable_swinf(), pmif_spmi_force_normal_mode(), rtc_read(), and rtc_write().

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is_pmif_init_done()

static int is_pmif_init_done ( struct pmif *  arb )

static

Definition at line 133 of file pmif.c.

References E_NODEV, mtk_pmif_regs::init_done, pmif::mtk_pmif, and read32().

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mtk_pmif_init()

int mtk_pmif_init

(

void

)

Definition at line 293 of file pmif.c.

References get_pmif_controller(), pmif_clk_init(), PMIF_SPI, pmif_spi_init(), PMIF_SPMI, pmif_spmi_init(), and SPMI_MASTER_0.

Referenced by platform_romstage_main().

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pmif_check_swinf()

static int pmif_check_swinf ( struct pmif *  arb, long  timeout_us, u32  expected_status  )

static

Definition at line 14 of file pmif.c.

References pmif::ch, chan_regs::ch_sta, E_TIMEOUT, GET_SWINF_0_FSM, read32(), stopwatch_expired(), and stopwatch_init_usecs_expire().

Referenced by pmif_send_cmd().

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pmif_select()

static void pmif_select ( enum pmic_interface  mode )

static

Definition at line 179 of file pmif.c.

References mtk_pmif_regs::arb_en, die(), mtk_pmif_regs::inf_en, pmif::mtk_pmif, mtk_pmif_regs::other_inf_en, PMIF_SLP_REQ, pmif_spi_arb, pmif_spmi_arb, PMIF_VLD_RDY, SET32_BITFIELDS, mtk_pmif_regs::sleep_protection_ctrl, and mtk_pmif_regs::spi_mode_ctrl.

Referenced by pmwrap_interface_init().

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pmif_send_cmd()

static void pmif_send_cmd ( struct pmif *  arb, int  write, u32  opc, u32  slvid, u32  addr, u32 *  rdata, u32  wdata, u32  len  )

static

Definition at line 29 of file pmif.c.

References addr, BIOS_ERR, pmif::ch, chan_regs::ch_rdy, chan_regs::ch_send, pmif_check_swinf(), PMIF_READ_US, PMIF_WAIT_IDLE_US, printk, chan_regs::rdata, read32(), SWINF_FSM_IDLE, SWINF_FSM_WFVLDCLR, chan_regs::wdata, and write32().

Referenced by pmif_spi_read(), pmif_spi_write(), pmif_spmi_read(), and pmif_spmi_write().

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pmif_spi_read()

static void pmif_spi_read ( struct pmif *  arb, u32  slvid, u32  reg, u32 *  data  )

static

Definition at line 100 of file pmif.c.

References PMIF_CMD_REG_0, and pmif_send_cmd().

Referenced by pmif_spi_read_field(), and pmif_spi_write_field().

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pmif_spi_read_field()

static u32 pmif_spi_read_field ( struct pmif *  arb, u32  slvid, u32  reg, u32  mask, u32  shift  )

static

Definition at line 111 of file pmif.c.

References mask, and pmif_spi_read().

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pmif_spi_write()

static void pmif_spi_write ( struct pmif *  arb, u32  slvid, u32  reg, u32  data  )

static

Definition at line 106 of file pmif.c.

References NULL, PMIF_CMD_REG_0, and pmif_send_cmd().

Referenced by pmif_spi_write_field().

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pmif_spi_write_field()

static void pmif_spi_write_field ( struct pmif *  arb, u32  slvid, u32  reg, u32  val, u32  mask, u32  shift  )

static

Definition at line 122 of file pmif.c.

References mask, pmif_spi_read(), pmif_spi_write(), and val.

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pmif_spmi_read()

static void pmif_spmi_read ( struct pmif *  arb, u32  slvid, u32  reg, u32 *  data  )

static

Definition at line 67 of file pmif.c.

References PMIF_CMD_EXT_REG_LONG, and pmif_send_cmd().

Referenced by pmif_spmi_read_field(), and pmif_spmi_write_field().

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pmif_spmi_read_field()

static u32 pmif_spmi_read_field ( struct pmif *  arb, u32  slvid, u32  reg, u32  mask, u32  shift  )

static

Definition at line 78 of file pmif.c.

References mask, and pmif_spmi_read().

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pmif_spmi_write()

static void pmif_spmi_write ( struct pmif *  arb, u32  slvid, u32  reg, u32  data  )

static

Definition at line 73 of file pmif.c.

References NULL, PMIF_CMD_EXT_REG_LONG, and pmif_send_cmd().

Referenced by pmif_spmi_write_field().

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pmif_spmi_write_field()

static void pmif_spmi_write_field ( struct pmif *  arb, u32  slvid, u32  reg, u32  val, u32  mask, u32  shift  )

static

Definition at line 89 of file pmif.c.

References mask, pmif_spmi_read(), pmif_spmi_write(), and val.

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pmwrap_interface_init()

void pmwrap_interface_init

(

void

)

Definition at line 282 of file pmif.c.

References BIOS_INFO, CONFIG, pmif_select(), PMIF_SLP_REQ, PMIF_VLD_RDY, and printk.

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Variable Documentation

pmif_spi_arb

const struct pmif pmif_spi_arb[]

static

Initial value:

= {
        {
                .mtk_pmif = (struct mtk_pmif_regs *)PMIF_SPI_BASE,
                .ch = (struct chan_regs *)PMIF_SPI_AP_CHAN,
                .pmifid = PMIF_SPI,
                .write = pmif_spi_write,
                .read = pmif_spi_read,
                .write_field = pmif_spi_write_field,
                .read_field = pmif_spi_read_field,
                .is_pmif_init_done = is_pmif_init_done,
        },
}

Definition at line 133 of file pmif.c.

Referenced by get_pmif_controller(), and pmif_select().

pmif_spmi_arb

const struct pmif pmif_spmi_arb[]

static

Initial value:

= {
        {
                .mtk_pmif = (struct mtk_pmif_regs *)PMIF_SPMI_BASE,
                .ch = (struct chan_regs *)PMIF_SPMI_AP_CHAN,
                .mstid = SPMI_MASTER_0,
                .pmifid = PMIF_SPMI,
                .write = pmif_spmi_write,
                .read = pmif_spmi_read,
                .write_field = pmif_spmi_write_field,
                .read_field = pmif_spmi_read_field,
                .is_pmif_init_done = is_pmif_init_done,
        },
}

Definition at line 133 of file pmif.c.

Referenced by get_pmif_controller(), and pmif_select().