gpio.c File Reference

#include <arch/io.h>
#include <device/mmio.h>
#include <device/pci.h>
#include <console/console.h>
#include <soc/gpio.h>
#include <soc/pm.h>
#include <soc/smm.h>

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Functions
static void	setup_gpios (const struct soc_gpio_map *gpios, const struct gpio_bank *bank)
static void	setup_gpio_route (const struct soc_gpio_map *sus, const struct soc_gpio_map *core)
static void	setup_dirqs (const u8 dirq[GPIO_MAX_DIRQS], const struct gpio_bank *bank)
void	setup_soc_gpios (struct soc_gpio_config *config, u8 enable_xdp_tap)
struct soc_gpio_config *__weak	mainboard_get_gpios (void)

Variables
static const u8	gpncore_gpio_to_pad [GPNCORE_COUNT]
static const u8	gpscore_gpio_to_pad [GPSCORE_COUNT]
static const u8	gpssus_gpio_to_pad [GPSSUS_COUNT]
static const struct gpio_bank	gpncore_bank
static const struct gpio_bank	gpscore_bank
static const struct gpio_bank	gpssus_bank

Function Documentation

mainboard_get_gpios()

struct soc_gpio_config* __weak mainboard_get_gpios

(

void

)

Definition at line 226 of file gpio.c.

References BIOS_DEBUG, NULL, and printk.

setup_dirqs()

static void setup_dirqs ( const u8  dirq[GPIO_MAX_DIRQS], const struct gpio_bank *  bank  )

static

Definition at line 183 of file gpio.c.

References BIOS_DEBUG, gpio_bank::pad_base, PAD_BASE_DIRQ_OFFSET, printk, val, and write32().

Referenced by setup_soc_gpios().

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setup_gpio_route()

static void setup_gpio_route ( const struct soc_gpio_map *  sus, const struct soc_gpio_map *  core  )

static

Definition at line 160 of file gpio.c.

References ROUTE_SCI, ROUTE_SMI, soc_gpio_map::sci, soc_gpio_map::smi, SMM_SAVE_PARAM_GPIO_ROUTE, and smm_southcluster_save_param().

Referenced by setup_soc_gpios().

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setup_gpios()

static void setup_gpios ( const struct soc_gpio_map *  gpios, const struct gpio_bank *  bank  )

static

Definition at line 72 of file gpio.c.

References BIOS_DEBUG, config, GP_LEGACY_BASE_NONE, soc_gpio_map::gp_lvl, gpio_bank::gpio_count, gpio_bank::gpio_f1_range_start, GPIO_LIST_END, gpio_bank::gpio_to_pad, gpio_bank::has_wake_en, soc_gpio_map::io_sel, gpio_bank::legacy_base, LEGACY_GP_LVL_REG, LEGACY_IO_SEL_REG, LEGACY_TNE_REG, LEGACY_TPE_REG, LEGACY_TS_REG, LEGACY_USE_SEL_REG, LEGACY_WAKE_EN_REG, outl(), gpio_bank::pad_base, soc_gpio_map::pad_conf0, PAD_CONF0_REG, PAD_CONF1_REG, PAD_FUNC0, PAD_FUNC1, PAD_VAL_REG, printk, soc_gpio_map::tne, soc_gpio_map::tpe, soc_gpio_map::use_sel, soc_gpio_map::wake_en, and write32().

Referenced by setup_soc_gpios().

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setup_soc_gpios()

void setup_soc_gpios	(	struct soc_gpio_config *	config,
		u8	enable_xdp_tap
	)

Definition at line 202 of file gpio.c.

References BIOS_DEBUG, config, gpncore_bank, gpscore_bank, gpssus_bank, GPSSUS_PAD_BASE, printk, setup_dirqs(), setup_gpio_route(), setup_gpios(), and write32().

Referenced by baytrail_init_pre_device(), and soc_init_pre_device().

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Variable Documentation

gpncore_bank

const struct gpio_bank gpncore_bank

static

Initial value:

= {
        .gpio_count = GPNCORE_COUNT,
        .gpio_to_pad = gpncore_gpio_to_pad,
        .legacy_base = GP_LEGACY_BASE_NONE,
        .pad_base = GPNCORE_PAD_BASE,
        .has_wake_en = 0,
        .gpio_f1_range_start = GPNCORE_GPIO_F1_RANGE_START,
        .gpio_f1_range_end = GPNCORE_GPIO_F1_RANGE_END,
}

Definition at line 33 of file gpio.c.

Referenced by setup_soc_gpios().

gpncore_gpio_to_pad

const u8 gpncore_gpio_to_pad[GPNCORE_COUNT]

static

Initial value:

=
        { 19, 18, 17, 20, 21, 22, 24, 25,       
          23, 16, 14, 15, 12, 26, 27,  1,       
           4,  8, 11,  0,  3,  6, 10, 13,       
           2,  5,  9 }

Definition at line 12 of file gpio.c.

gpscore_bank

const struct gpio_bank gpscore_bank

static

Initial value:

= {
        .gpio_count = GPSCORE_COUNT,
        .gpio_to_pad = gpscore_gpio_to_pad,
        .legacy_base = GPSCORE_LEGACY_BASE,
        .pad_base = GPSCORE_PAD_BASE,
        .has_wake_en = 0,
        .gpio_f1_range_start = GPSCORE_GPIO_F1_RANGE_START,
        .gpio_f1_range_end = GPSCORE_GPIO_F1_RANGE_END,
}

Definition at line 33 of file gpio.c.

Referenced by setup_soc_gpios().

gpscore_gpio_to_pad

const u8 gpscore_gpio_to_pad[GPSCORE_COUNT]

static

Initial value:

=
        {  85,  89, 93,  96, 99, 102,  98, 101, 
           34,  37, 36,  38, 39,  35,  40,  84, 
           62,  61, 64,  59, 54,  56,  60,  55, 
           63,  57, 51,  50, 53,  47,  52,  49, 
           48,  43, 46,  41, 45,  42,  58,  44, 
           95, 105, 70,  68, 67,  66,  69,  71, 
           65,  72, 86,  90, 88,  92, 103,  77, 
           79,  83, 78,  81, 80,  82,  13,  12, 
           15,  14, 17,  18, 19,  16,   2,   1, 
            0,   4,  6,   7,  9,   8,  33,  32, 
           31,  30, 29,  27, 25,  28,  26,  23, 
           21,  20, 24,  22,  5,   3,  10,  11, 
          106,  87, 91, 104, 97, 100 }

Definition at line 18 of file gpio.c.

gpssus_bank

const struct gpio_bank gpssus_bank

static

Initial value:

= {
        .gpio_count = GPSSUS_COUNT,
        .gpio_to_pad = gpssus_gpio_to_pad,
        .legacy_base = GPSSUS_LEGACY_BASE,
        .pad_base = GPSSUS_PAD_BASE,
        .has_wake_en = 1,
        .gpio_f1_range_start = GPSSUS_GPIO_F1_RANGE_START,
        .gpio_f1_range_end = GPSSUS_GPIO_F1_RANGE_END,
}

Definition at line 33 of file gpio.c.

Referenced by setup_soc_gpios().

gpssus_gpio_to_pad

const u8 gpssus_gpio_to_pad[GPSSUS_COUNT]

static

Initial value:

=
        { 29, 33, 30, 31, 32, 34, 36, 35,       
          38, 37, 18,  7, 11, 20, 17,  1,       
           8, 10, 19, 12,  0,  2, 23, 39,       
          28, 27, 22, 21, 24, 25, 26, 51,       
          56, 54, 49, 55, 48, 57, 50, 58,       
          52, 53, 59, 40 }

Definition at line 33 of file gpio.c.