summaryrefslogtreecommitdiff
path: root/src/soc/intel
diff options
context:
space:
mode:
Diffstat (limited to 'src/soc/intel')
-rw-r--r--src/soc/intel/skylake/Kconfig1
-rw-r--r--src/soc/intel/skylake/gpio.c347
-rw-r--r--src/soc/intel/skylake/include/soc/gpio.h575
-rw-r--r--src/soc/intel/skylake/include/soc/gpio_defs.h479
-rw-r--r--src/soc/intel/skylake/include/soc/gpio_fsp.h512
5 files changed, 1285 insertions, 629 deletions
diff --git a/src/soc/intel/skylake/Kconfig b/src/soc/intel/skylake/Kconfig
index e2c43f042e..6c64cd9925 100644
--- a/src/soc/intel/skylake/Kconfig
+++ b/src/soc/intel/skylake/Kconfig
@@ -20,6 +20,7 @@ config CPU_SPECIFIC_OPTIONS
select COLLECT_TIMESTAMPS
select CPU_INTEL_FIRMWARE_INTERFACE_TABLE
select CPU_MICROCODE_IN_CBFS
+ select GENERIC_GPIO_LIB
select HAS_PRECBMEM_TIMESTAMP_REGION
select HAVE_HARD_RESET
select HAVE_MONOTONIC_TIMER
diff --git a/src/soc/intel/skylake/gpio.c b/src/soc/intel/skylake/gpio.c
index 79672315cd..28ed07ebd3 100644
--- a/src/soc/intel/skylake/gpio.c
+++ b/src/soc/intel/skylake/gpio.c
@@ -24,6 +24,201 @@
#include <soc/iomap.h>
#include <soc/pm.h>
+
+/* There are 4 communities with 8 GPIO groups (GPP_[A:G] and GPD) */
+struct gpio_community {
+ int port_id;
+ /* Inclusive pads within the community. */
+ gpio_t min;
+ gpio_t max;
+};
+
+/* This is ordered to match ACPI and OS driver. */
+static const struct gpio_community communities[] = {
+ {
+ .port_id = PID_GPIOCOM0,
+ .min = GPP_A0,
+ .max = GPP_B23,
+ },
+ {
+ .port_id = PID_GPIOCOM1,
+ .min = GPP_C0,
+ .max = GPP_E23,
+ },
+ {
+ .port_id = PID_GPIOCOM3,
+ .min = GPP_F0,
+ .max = GPP_G7,
+ },
+ {
+ .port_id = PID_GPIOCOM2,
+ .min = GPD0,
+ .max = GPD11,
+ },
+};
+
+static const struct gpio_community *gpio_get_community(gpio_t pad)
+{
+ size_t i;
+
+ for (i = 0; i < ARRAY_SIZE(communities); i++) {
+ const struct gpio_community *c = &communities[i];
+
+ if (pad >= c->min && pad <= c->max)
+ return c;
+ }
+
+ return NULL;
+}
+
+static void *gpio_dw_regs(gpio_t pad)
+{
+ const struct gpio_community *comm;
+ uint8_t *regs;
+ size_t pad_relative;
+
+ comm = gpio_get_community(pad);
+
+ if (comm == NULL)
+ return NULL;
+
+ regs = pcr_port_regs(comm->port_id);
+
+ pad_relative = pad - comm->min;
+
+ /* DW0 and DW1 regs are 4 bytes each. */
+ return &regs[PAD_CFG_DW_OFFSET + pad_relative * 8];
+}
+
+static void *gpio_hostsw_reg(gpio_t pad, size_t *bit)
+{
+ const struct gpio_community *comm;
+ uint8_t *regs;
+ size_t pad_relative;
+
+ comm = gpio_get_community(pad);
+
+ if (comm == NULL)
+ return NULL;
+
+ regs = pcr_port_regs(comm->port_id);
+
+ pad_relative = pad - comm->min;
+
+ /* Update the bit for this pad. */
+ *bit = (pad_relative % HOSTSW_OWN_PADS_PER);
+
+ /* HostSw regs are 4 bytes each. */
+ regs = &regs[HOSTSW_OWN_REG_OFFSET];
+ return &regs[(pad_relative / HOSTSW_OWN_PADS_PER) * 4];
+}
+
+static void gpio_handle_pad_mode(const struct pad_config *cfg)
+{
+ size_t bit;
+ uint32_t *hostsw_own_reg;
+ uint32_t reg;
+
+ bit = 0;
+ hostsw_own_reg = gpio_hostsw_reg(cfg->pad, &bit);
+
+ reg = read32(hostsw_own_reg);
+ reg &= ~(1U << bit);
+
+ if ((cfg->attrs & PAD_FIELD(HOSTSW, GPIO)) == PAD_FIELD(HOSTSW, GPIO))
+ reg |= (HOSTSW_GPIO << bit);
+ else
+ reg |= (HOSTSW_ACPI << bit);
+
+ write32(hostsw_own_reg, reg);
+}
+
+static void gpio_configure_pad(const struct pad_config *cfg)
+{
+ uint32_t *dw_regs;
+ uint32_t reg;
+ uint32_t termination;
+ const uint32_t termination_mask = PAD_TERM_MASK << PAD_TERM_SHIFT;
+
+ dw_regs = gpio_dw_regs(cfg->pad);
+
+ if (dw_regs == NULL)
+ return;
+
+ write32(&dw_regs[0], cfg->dw0);
+ reg = read32(&dw_regs[1]);
+ reg &= ~termination_mask;
+ termination = cfg->attrs;
+ termination &= termination_mask;
+ reg |= termination;
+ write32(&dw_regs[1], reg);
+
+ gpio_handle_pad_mode(cfg);
+}
+
+void gpio_configure_pads(const struct pad_config *cfgs, size_t num)
+{
+ size_t i;
+
+ for (i = 0; i < num; i++)
+ gpio_configure_pad(&cfgs[i]);
+}
+
+void gpio_input_pulldown(gpio_t gpio)
+{
+ struct pad_config cfg = PAD_CFG_GPI(gpio, 5K_PD, DEEP);
+ gpio_configure_pad(&cfg);
+}
+
+void gpio_input_pullup(gpio_t gpio)
+{
+ struct pad_config cfg = PAD_CFG_GPI(gpio, 5K_PU, DEEP);
+ gpio_configure_pad(&cfg);
+}
+
+void gpio_input(gpio_t gpio)
+{
+ struct pad_config cfg = PAD_CFG_GPI(gpio, NONE, DEEP);
+ gpio_configure_pad(&cfg);
+}
+
+void gpio_output(gpio_t gpio, int value)
+{
+ struct pad_config cfg = PAD_CFG_GPO(gpio, value, DEEP);
+ gpio_configure_pad(&cfg);
+}
+
+int gpio_get(gpio_t gpio_num)
+{
+ uint32_t *dw_regs;
+ uint32_t reg;
+
+ dw_regs = gpio_dw_regs(gpio_num);
+
+ if (dw_regs == NULL)
+ return -1;
+
+ reg = read32(&dw_regs[0]);
+
+ return (reg >> GPIORXSTATE_SHIFT) & GPIORXSTATE_MASK;
+}
+
+void gpio_set(gpio_t gpio_num, int value)
+{
+ uint32_t *dw_regs;
+ uint32_t reg;
+
+ dw_regs = gpio_dw_regs(gpio_num);
+
+ if (dw_regs == NULL)
+ return;
+
+ reg = read32(&dw_regs[0]);
+ reg |= PAD_FIELD_VAL(GPIOTXSTATE, value);
+ write32(&dw_regs[0], reg);
+ /* GPIO port ids support posted write semantics. */
+}
+
/* Keep the ordering intact GPP_A ~ G, GPD.
* As the gpio/smi functions gpio_get_smi_status() and
* gpio_enable_groupsmi() depends on this ordering.
@@ -85,7 +280,7 @@ static const GPIO_GROUP_INFO gpio_group_info[] = {
.smistsoffset = NO_REGISTER_PROPERTY,
.smienoffset = NO_REGISTER_PROPERTY,
},
- /* GPP_H */
+ /* GPD */
{
.community = PID_GPIOCOM2,
.padcfgoffset = R_PCH_PCR_GPIO_GPD_PADCFG_OFFSET,
@@ -95,156 +290,6 @@ static const GPIO_GROUP_INFO gpio_group_info[] = {
},
};
-/*
- * SPT has 7 GPIO communities named as GPP_A to GPP_G.
- * Each community has 24 GPIO PIN.
- * Below formula to calculate GPIO Pin from GPIO PAD.
- * PIN# = GROUP_PAD# + GROUP# * 24
- * ====================================
- * Community || Group#
- * ====================================
- * GPP_A || 0
- * GPP_B || 1
- * GPP_C || 2
- * GPP_D || 3
- * GPP_E || 4
- * GPP_F || 5
- * GPP_G || 6
- */
-static u32 get_padnumber_from_gpiopad(GPIO_PAD gpiopad)
-{
- return (u32) GPIO_GET_PAD_NUMBER(gpiopad);
-}
-
-static u32 get_groupindex_from_gpiopad(GPIO_PAD gpiopad)
-{
- return (u32) GPIO_GET_GROUP_INDEX_FROM_PAD(gpiopad);
-}
-
-static int read_write_gpio_pad_reg(u32 gpiopad, u8 dwreg, u32 mask, int write,
- u32 *readwriteval)
-{
- u32 padcfgreg;
- u32 gpiogroupinfolength;
- u32 groupindex;
- u32 padnumber;
-
- groupindex = get_groupindex_from_gpiopad(gpiopad);
- padnumber = get_padnumber_from_gpiopad(gpiopad);
-
- gpiogroupinfolength = sizeof(gpio_group_info) / sizeof(GPIO_GROUP_INFO);
-
- /* Check if group argument exceeds GPIO GROUP INFO array */
- if ((u32) groupindex >= gpiogroupinfolength)
- return -1;
- /* Check if legal pin number */
- if (padnumber >= gpio_group_info[groupindex].padpergroup)
- return -1;
- /* Create Pad Configuration register offset */
- padcfgreg = 0x8 * padnumber + gpio_group_info[groupindex].padcfgoffset;
- if (dwreg == 1)
- padcfgreg += 0x4;
- if (write) {
- pcr_andthenor32(gpio_group_info[groupindex].community,
- padcfgreg, (u32) (~mask),
- (u32) (*readwriteval & mask));
- } else {
- pcr_read32(gpio_group_info[groupindex].community, padcfgreg,
- readwriteval);
- *readwriteval &= mask;
- }
-
- return 0;
-}
-
-static int convert_gpio_num_to_pad(gpio_t gpionum)
-{
- int group_pad_num = 0;
- int gpio_group = 0;
- u32 gpio_pad = 0;
-
- group_pad_num = (gpionum % MAX_GPIO_PIN_PER_GROUP);
- gpio_group = (gpionum / MAX_GPIO_PIN_PER_GROUP);
-
- switch (gpio_group) {
- case GPIO_LP_GROUP_A:
- gpio_pad = GPIO_LP_GROUP_GPP_A;
- break;
-
- case GPIO_LP_GROUP_B:
- gpio_pad = GPIO_LP_GROUP_GPP_B;
- break;
-
- case GPIO_LP_GROUP_C:
- gpio_pad = GPIO_LP_GROUP_GPP_C;
- break;
-
- case GPIO_LP_GROUP_D:
- gpio_pad = GPIO_LP_GROUP_GPP_D;
- break;
-
- case GPIO_LP_GROUP_E:
- gpio_pad = GPIO_LP_GROUP_GPP_E;
- break;
-
- case GPIO_LP_GROUP_F:
- gpio_pad = GPIO_LP_GROUP_GPP_F;
- break;
-
- case GPIO_LP_GROUP_G:
- gpio_pad = GPIO_LP_GROUP_GPP_G;
- break;
- default:
- return -1;
- break;
- }
- gpio_pad = (gpio_pad << GPIO_GROUP_SHIFT) + group_pad_num;
-
- return gpio_pad;
-}
-
-int gpio_get(gpio_t gpio_num)
-{
- u32 gpiopad = 0;
- u32 outputvalue = 0;
- int status = 0;
-
- if (gpio_num > MAX_GPIO_NUMBER)
- return 0;
-
- gpiopad = convert_gpio_num_to_pad(gpio_num);
- if (gpiopad < 0)
- return -1;
-
- status = read_write_gpio_pad_reg(gpiopad,
- 0,
- B_PCH_GPIO_TX_STATE,
- READ, &outputvalue);
- outputvalue >>= N_PCH_GPIO_TX_STATE;
- return outputvalue;
-}
-
-void gpio_set(gpio_t gpio_num, int value)
-{
- int status = 0;
- u32 gpiopad = 0;
- u32 outputvalue = 0;
-
- if (gpio_num > MAX_GPIO_NUMBER)
- return;
-
- gpiopad = convert_gpio_num_to_pad(gpio_num);
- if (gpiopad < 0)
- return;
-
- outputvalue = value;
-
- status = read_write_gpio_pad_reg(gpiopad,
- 0,
- B_PCH_GPIO_TX_STATE,
- WRITE, &outputvalue);
-}
-
void gpio_clear_all_smi(void)
{
u32 gpiogroupinfolength;
diff --git a/src/soc/intel/skylake/include/soc/gpio.h b/src/soc/intel/skylake/include/soc/gpio.h
index e8438ff99d..a7d9158ed5 100644
--- a/src/soc/intel/skylake/include/soc/gpio.h
+++ b/src/soc/intel/skylake/include/soc/gpio.h
@@ -22,11 +22,14 @@
#define _SOC_GPIO_H_
#include <stdint.h>
+#include <stddef.h>
+#include <soc/gpio_defs.h>
+#include <soc/gpio_fsp.h>
/* SOC has 8 GPIO communities GPP A~G, GPD */
#define GPIO_COMMUNITY_MAX 8
-typedef int gpio_t;
+typedef uint32_t gpio_t;
/* Clear GPIO SMI Status */
void gpio_clear_all_smi(void);
@@ -40,490 +43,106 @@ void gpio_enable_all_smi(void);
/* Enable GPIO individual Group SMI */
void gpio_enable_groupsmi(gpio_t gpio_num, u32 mask);
-/*
- * GPP_Ax to GPP_Gx;
- * where x=24 [between GPIO Community A to F]
- * = 7 [only for GPIO Community G]
- */
-#define MAX_GPIO_NUMBER 151 /* zero based */
-#define GPIO_LIST_END 0xffffffff
-
-/*
- * Skylake LP GPIO PIN to Pad Mapping
- */
-#define GPIO_LP_GROUP_A 0x0
-#define GPIO_LP_GROUP_B 0x1
-#define GPIO_LP_GROUP_C 0x2
-#define GPIO_LP_GROUP_D 0x3
-#define GPIO_LP_GROUP_E 0x4
-#define GPIO_LP_GROUP_F 0x5
-#define GPIO_LP_GROUP_G 0x6
-
-#define GPIO_LP_GROUP_GPP_A 0x0200
-#define GPIO_LP_GROUP_GPP_B 0x0201
-#define GPIO_LP_GROUP_GPP_C 0x0202
-#define GPIO_LP_GROUP_GPP_D 0x0203
-#define GPIO_LP_GROUP_GPP_E 0x0204
-#define GPIO_LP_GROUP_GPP_F 0x0205
-#define GPIO_LP_GROUP_GPP_G 0x0206
-
-#define GPIO_GROUP_SHIFT 16
-#define MAX_GPIO_PIN_PER_GROUP 24
-
-/* GPIO TX STATE */
-#define B_PCH_GPIO_TX_STATE 0x0001
-#define N_PCH_GPIO_TX_STATE 0
-
-/* Interrupt number */
-#define B_PCH_GPIO_INTSEL 0x7F
-#define N_PCH_GPIO_INTSEL 0
-
-/* Structure for storing information about registers offset, community,
- * maximal pad number, smi status and smi enable for available groups
- */
-typedef struct {
- u32 community;
- u32 padcfgoffset;
- u32 padpergroup;
- u32 smistsoffset;
- u32 smienoffset;
-} GPIO_GROUP_INFO;
-
-/*
- * GPIO Community 0 Registers are for GPP_A and GPP_B groups
- */
-#define R_PCH_PCR_GPIO_GPP_A_PADCFG_OFFSET 0x400
-#define R_PCH_PCR_GPIO_GPP_B_PADCFG_OFFSET 0x4C0
-#define R_PCH_PCR_GPIO_GPP_A_SMI_STS 0x0180
-#define R_PCH_PCR_GPIO_GPP_B_SMI_STS 0x0184
-#define R_PCH_PCR_GPIO_GPP_A_SMI_EN 0x01A0
-#define R_PCH_PCR_GPIO_GPP_B_SMI_EN 0x01A4
-
-/*
- * GPIO Community 1 Registers are for GPP_C, GPP_D, GPP_E groups
- */
-#define R_PCH_PCR_GPIO_GPP_C_PADCFG_OFFSET 0x400
-#define R_PCH_PCR_GPIO_GPP_D_PADCFG_OFFSET 0x4C0
-#define R_PCH_PCR_GPIO_GPP_E_PADCFG_OFFSET 0x580
-#define R_PCH_PCR_GPIO_GPP_C_SMI_STS 0x0180
-#define R_PCH_PCR_GPIO_GPP_D_SMI_STS 0x0184
-#define R_PCH_PCR_GPIO_GPP_E_SMI_STS 0x0188
-#define R_PCH_PCR_GPIO_GPP_C_SMI_EN 0x01A0
-#define R_PCH_PCR_GPIO_GPP_D_SMI_EN 0x01A4
-#define R_PCH_PCR_GPIO_GPP_E_SMI_EN 0x01A8
-
-/*
- * GPIO Community 3 Registers are for GPP_F and GPP_G groups
- */
-#define R_PCH_PCR_GPIO_GPP_F_PADCFG_OFFSET 0x400
-#define R_PCH_PCR_GPIO_GPP_G_PADCFG_OFFSET 0x4C0
-
-/*
- * GPIO Community 2 Registers are for GPP_DSW
- */
-#define R_PCH_PCR_GPIO_GPD_PADCFG_OFFSET 0x400
-
-#define READ 0
-#define WRITE 1
-
-/* If in GPIO_GROUP_INFO structure certain register doesn't exist
- * it will have value equal to NO_REGISTER_PROPERTY
- */
-#define NO_REGISTER_PROPERTY (~0u)
+/* Configure the pads according to the pad_config array. */
+struct pad_config;
+void gpio_configure_pads(const struct pad_config *cfgs, size_t num);
-#define V_PCH_GPIO_GPP_A_PAD_MAX 24
-#define V_PCH_GPIO_GPP_B_PAD_MAX 24
-#define V_PCH_GPIO_GPP_C_PAD_MAX 24
-#define V_PCH_GPIO_GPP_D_PAD_MAX 24
-#define V_PCH_GPIO_GPP_E_PAD_MAX 24
-#define V_PCH_GPIO_GPP_F_PAD_MAX 24
-#define V_PCH_GPIO_GPP_G_PAD_MAX 8
-#define V_PCH_GPIO_GPD_PAD_MAX 12
+#define PAD_FIELD_VAL(field_, val_) \
+ (((val_) & field_ ## _MASK) << field_ ## _SHIFT)
-#define GPIO_GET_GROUP_INDEX(group) (group & 0xFF)
-#define GPIO_GET_GROUP_INDEX_FROM_PAD(pad) (\
- GPIO_GET_GROUP_INDEX((pad >> 16)))
-#define GPIO_GET_PAD_NUMBER(pad) (pad & 0xFFFF)
-
-/* Number of pins used by SerialIo controllers */
-#define PCH_SERIAL_IO_PINS_PER_UART_CONTROLLER 4
-#define PCH_SERIAL_IO_PINS_PER_UART_CONTROLLER_NO_FLOW_CTRL 2
-
-/* Below defines are based on GPIO_CONFIG structure fields */
-#define GPIO_CONF_PAD_MODE_MASK 0xF
-#define GPIO_CONF_PAD_MODE_BIT_POS 0
-
-/* GPIO Pad Mode */
-#define B_PCH_GPIO_PAD_MODE (0x1000 | 0x800 | 0x400)
-#define N_PCH_GPIO_PAD_MODE 10
-
-/* For any GpioPad usage in code use GPIO_PAD type*/
-typedef u32 GPIO_PAD;
-
-/* For any GpioGroup usage in code use GPIO_GROUP type */
-typedef u32 GPIO_GROUP;
-
-/*
- * GPIO configuration structure used for pin programming.
- * Structure contains fields that can be used to configure pad.
- */
-typedef struct {
- /*
- Pad Mode
- Pad can be set as GPIO or one of its native functions.
- When in native mode setting Direction, OutputState, Interrupt is unnecessary.
- Refer to definition of GPIO_PAD_MODE.
- Refer to EDS for each native mode according to the pad.
- */
- u32 PadMode : 4;
- /*
- Host Software Pad Ownership
- Set pad to ACPI mode or GPIO Driver Mode.
- Refer to definition of GPIO_HOSTSW_OWN.
- */
- u32 HostSoftPadOwn : 2;
- /*
- GPIO Direction
- Can choose between In, In with inversion Out, both In and Out, both In with inversion and out or d
- isabling both.
- Refer to definition of GPIO_DIRECTION for supported settings.
- */
- u32 Direction : 5;
- /*
- Output State
- Set Pad output value.
- Refer to definition of GPIO_OUTPUT_STATE for supported settings.
- This setting takes place when output is enabled.
- */
- u32 OutputState : 2;
- /*
- GPIO Interrupt Configuration
- Set Pad to cause one of interrupts (IOxAPIC/SCI/SMI/NMI). This setting is applicable only if GPIO
- A is in input mode.
- If GPIO is set to cause an SCI then also Gpe is enabled for this pad.
- Refer to definition of GPIO_INT_CONFIG for supported settings.
- */
- u32 InterruptConfig : 8;
- /*
- GPIO Power Configuration.
- This setting controls Pad Reset Configuration and Power Rail Type.
- Refer to definition of GPIO_RESET_CONFIG for supported settings.
- */
- u32 PowerConfig : 4;
- /*
- GPIO Electrical Configuration
- This setting controls pads termination and voltage tolerance.
- Refer to definition of GPIO_ELECTRICAL_CONFIG for supported settings.
- */
- u32 ElectricalConfig : 7;
- /*
- GPIO Lock Configuration
- This setting controls pads lock.
- Refer to definition of GPIO_LOCK_CONFIG for supported settings.
- */
- u32 LockConfig : 3;
- /*
- Additional GPIO configuration
- Refer to definition of GPIO_OTHER_CONFIG for supported settings.
- */
- u32 OtherSettings : 2;
- u32 RsvdBits : 27;
-} GPIO_CONFIG;
-
-typedef struct {
- GPIO_PAD GpioPad;
- GPIO_CONFIG GpioConfig;
-} GPIO_INIT_CONFIG;
-
-typedef enum {
- GpioHardwareDefault = 0x0
-} GPIO_HARDWARE_DEFAULT;
-
-/* GPIO Pad Mode */
-typedef enum {
- GpioPadModeGpio = 0x1,
- GpioPadModeNative1 = 0x3,
- GpioPadModeNative2 = 0x5,
- GpioPadModeNative3 = 0x7,
- GpioPadModeNative4 = 0x9,
-} GPIO_PAD_MODE;
-
-/* Host Software Pad Ownership modes */
-typedef enum {
- GpioHostOwnDefault = 0x0, /* Leave ownership value unmodified */
- GpioHostOwnAcpi = 0x1, /* Set HOST ownership to ACPI */
- GpioHostOwnGpio = 0x3 /* Set HOST ownership to GPIO */
-} GPIO_HOSTSW_OWN;
-
-/* GPIO Direction */
-typedef enum {
- GpioDirDefault = 0x0, /* Leave pad direction setting unmodified */
- GpioDirInOut = (0x1 | (0x1 << 3)), /* Set pad for both output and input */
- GpioDirInInvOut = (0x1 | (0x3 << 3)), /* Set pad for both output and input with inversion */
- GpioDirIn = (0x3 | (0x1 << 3)), /* Set pad for input only */
- GpioDirInInv = (0x3 | (0x3 << 3)), /* Set pad for input with inversion */
- GpioDirOut = 0x5, /* Set pad for output only */
- GpioDirNone = 0x7 /* Disable both output and input */
-} GPIO_DIRECTION;
-
-/* GPIO Output State */
-typedef enum {
- GpioOutDefault = 0x0,
- GpioOutLow = 0x1,
- GpioOutHigh = 0x3
-} GPIO_OUTPUT_STATE;
+#define PAD_FIELD(field_, setting_) \
+ PAD_FIELD_VAL(field_, field_ ## _ ## setting_)
/*
- * GPIO interrupt configuration
- * This setting is applicable only if GPIO is in input mode.
- * GPIO_INT_CONFIG allows to choose which interrupt is generted
- * (IOxAPIC/SCI/SMI/NMI) and how it is triggered (edge or level).
- * Field from GpioIntNmi to GpioIntApic can be OR'ed with GpioIntLevel to
- * GpioIntBothEdgecan to describe an interrupt e.g. GpioIntApic | GpioIntLevel
- * If GPIO is set to cause an SCI then also Gpe is enabled for this pad.
- * Not all GPIO are capable of generating an SMI or NMI interrupt
- */
-typedef enum {
- GpioIntDefault = 0x0, /* Leave value of interrupt routing unmodified */
- GpioIntDis = 0x1, /* Disable IOxAPIC/SCI/SMI/NMI interrupt generation */
- GpioIntNmi = 0x3, /* Enable NMI interrupt only */
- GpioIntSmi = 0x5, /* Enable SMI interrupt only */
- GpioIntSci = 0x9, /* Enable SCI interrupt only */
- GpioIntApic = 0x11, /* Enable IOxAPIC interrupt only */
- GpioIntLevel = (0x1 << 5), /* Set interrupt as level triggered */
- GpioIntEdge = (0x3 << 5), /* Set interrupt as edge triggered */
- GpioIntLvlEdgDis = (0x5 << 5), /* Disable interrupt trigger */
- GpioIntBothEdge = (0x7 << 5) /* Set interrupt as both edge triggered */
-} GPIO_INT_CONFIG;
+ * This encodes all the fields found within the dw0 register for each
+ * pad. It directly follows the register specification:
+ * rst - reset type when pad configuration is reset
+ * rxst - native function routing: raw buffer or internal buffer
+ * rxraw1 - drive fixed '1' for Rx buffer
+ * rxev - event filtering for pad value: level, edge, drive '0'
+ * rxgf - glitch filter enable
+ * rxinv - invert the internal pad state
+ * gpiioapic - route to IOxAPIC
+ * gpisci - route for SCI
+ * gpismi - route for SMI
+ * gpinmi - route for NMI
+ * mode - GPIO vs native function
+ * rxdis - disable Rx buffer
+ * txdis - disable Tx buffer
+ */
+#define _DW0_VALS(rst, rxst, rxraw1, rxev, rxgf, rxinv, gpiioapic, gpisci, \
+ gpismi, gpinmi, mode, rxdis, txdis) \
+ (PAD_FIELD(PADRSTCFG, rst) | \
+ PAD_FIELD(RXPADSTSEL, rxst) | \
+ PAD_FIELD(RXRAW1, rxraw1) | \
+ PAD_FIELD(RXEVCFG, rxev) | \
+ PAD_FIELD(PREGFRXSEL, rxgf) | \
+ PAD_FIELD(RXINV, rxinv) | \
+ PAD_FIELD(GPIROUTIOXAPIC, gpiioapic) | \
+ PAD_FIELD(GPIROUTSCI, gpisci) | \
+ PAD_FIELD(GPIROUTSMI, gpismi) | \
+ PAD_FIELD(GPIROUTNMI, gpinmi) | \
+ PAD_FIELD(PMODE, mode) | \
+ PAD_FIELD(GPIORXDIS, rxdis) | \
+ PAD_FIELD(GPIOTXDIS, txdis))
+
+#define _PAD_CFG_ATTRS(pad_, term_, dw0_, attrs_) \
+ { \
+ .pad = pad_, \
+ .attrs = PAD_FIELD(PAD_TERM, term_) | attrs_, \
+ .dw0 = dw0_, \
+ }
+
+#define _PAD_CFG(pad_, term_, dw0_) _PAD_CFG_ATTRS(pad_, term_, dw0_, 0)
+
+/* Native Function - No Rx buffer manipulation */
+#define PAD_CFG_NF(pad_, term_, rst_, func_) \
+ _PAD_CFG(pad_, term_, \
+ _DW0_VALS(rst_, RAW, NO, LEVEL, NO, NO, NO, NO, NO, NO, func_, NO, NO))
+
+/* General purpose output. By default no termination. */
+#define PAD_CFG_GPO(pad_, val_, rst_) \
+ _PAD_CFG(pad_, NONE, \
+ _DW0_VALS(rst_, RAW, NO, LEVEL, NO, NO, NO, NO, NO, NO, GPIO, YES, NO) \
+ | PAD_FIELD_VAL(GPIOTXSTATE, val_))
+
+/* General purpose input with no special IRQ routing. */
+#define PAD_CFG_GPI(pad_, term_, rst_) \
+ _PAD_CFG(pad_, term_, \
+ _DW0_VALS(rst_, RAW, NO, LEVEL, NO, NO, NO, NO, NO, NO, GPIO, NO, YES))
+
+/* General purpose input passed through to IOxAPIC. Assume APIC logic can
+ * handle polarity/edge/level constraints. */
+#define PAD_CFG_GPI_APIC(pad_, term_, rst_) \
+ _PAD_CFG(pad_, term_, \
+ _DW0_VALS(rst_, RAW, NO, LEVEL, NO, NO, YES, NO, NO, NO, GPIO, NO, YES))
+
+/* General purpose input routed to SCI. This assumes edge triggered events. */
+#define PAD_CFG_GPI_ACPI_SCI(pad_, term_, rst_, inv_) \
+ _PAD_CFG_ATTRS(pad_, term_, \
+ _DW0_VALS(rst_, RAW, NO, EDGE, NO, inv_, \
+ NO, YES, NO, NO, GPIO, NO, YES), PAD_FIELD(HOSTSW, ACPI))
+
+/* General purpose input routed to SMI. This assumes edge triggered events. */
+#define PAD_CFG_GPI_ACPI_SMI(pad_, term_, rst_, inv_) \
+ _PAD_CFG(pad_, term_, \
+ _DW0_VALS(rst_, RAW, NO, EDGE, NO, inv_, \
+ NO, NO, YES, NO, GPIO, NO, YES), PAD_FIELD(HOSTSW, ACPI))
/*
- * GPIO Power Configuration
- * GPIO_RESET_CONFIG allows to set GPIO Reset (used to reset the specified
- * Pad Register fields).
+ * The 'attrs' field carries the termination in bits 13:10 to match up with
+ * thd DW1 pad configuration register. Additionally, other attributes can
+ * be applied such as the ones below. Bit allocation matters.
*/
-typedef enum {
- GpioResetDefault = 0x0, /* Leave value of pad reset unmodified */
- GpioResetPwrGood = 0x1, /* Powergood reset */
- GpioResetDeep = 0x3, /* Deep GPIO Reset */
- GpioResetNormal = 0x5, /* GPIO Reset */
- GpioResetResume = 0x7 /* Resume Reset */
-} GPIO_RESET_CONFIG;
+#define HOSTSW_SHIFT 0
+#define HOSTSW_MASK 1
+#define HOSTSW_ACPI HOSTSW_OWN_ACPI
+#define HOSTSW_GPIO HOSTSW_OWN_GPIO
-/*
- * GPIO Electrical Configuration
- * Set GPIO termination and Pad Tolerance (applicable only for some pads)
- * Field from GpioTermDefault to GpioTermNative can be OR'ed with
- * GpioTolerance1v8.
- */
-typedef enum {
- GpioTermDefault = 0x0, /* Leave termination setting unmodified */
- GpioTermNone = 0x1, /* none */
- GpioTermWpd5K = 0x5, /* 5kOhm weak pull-down */
- GpioTermWpd20K = 0x9, /* 20kOhm weak pull-down */
- GpioTermWpu1K = 0x13, /* 1kOhm weak pull-up */
- GpioTermWpu2K = 0x17, /* 2kOhm weak pull-up */
- GpioTermWpu5K = 0x15, /* 5kOhm weak pull-up */
- GpioTermWpu20K = 0x19, /* 20kOhm weak pull-up */
- GpioTermWpu1K2K = 0x1B, /* 1kOhm & 2kOhm weak pull-up */
- GpioTermNative = 0x1F, /* Native function for pads termination */
- GpioNoTolerance1v8 = (0x1 << 5), /* Disable 1.8V pad tolerance */
- GpioTolerance1v8 = (0x3 << 5) /* Enable 1.8V pad tolerance */
-} GPIO_ELECTRICAL_CONFIG;
-
-/*
- * GPIO LockConfiguration
- * Set GPIO configuration lock and output state lock
- * GpioLockPadConfig and GpioLockOutputState can be OR'ed
- */
-typedef enum {
- GpioLockDefault = 0x0, /* Leave lock setting unmodified */
- GpioPadConfigLock = 0x3, /* Lock Pad Configuration */
- GpioOutputStateLock = 0x5 /* Lock GPIO pad output value */
-} GPIO_LOCK_CONFIG;
-
-/*
- * Other GPIO Configuration GPIO_OTHER_CONFIG is used for less often
- * settings and for future extensions Supported settings:
- * - RX raw override to '1' - allows to override input value to '1'
- * This is applicable only if in input mode (both in GPIO and native usage)
- * The override takes place at the internal pad state directly from buffer
- * and before the RXINV.
- */
-typedef enum {
- GpioRxRaw1Default = 0x0, /* Use default input override value */
- GpioRxRaw1Dis = 0x1, /* Don't override input */
- GpioRxRaw1En = 0x3 /* Override input to '1' */
-} GPIO_OTHER_CONFIG;
-
-/*
- * LP GPIO pins: Use below for functions from PCH GPIO Lib which
- * require GpioPad as argument. Encoding used here
- * has all information required by library functions
- */
-#define GPIO_LP_GPP_A0 0x02000000
-#define GPIO_LP_GPP_A1 0x02000001
-#define GPIO_LP_GPP_A2 0x02000002
-#define GPIO_LP_GPP_A3 0x02000003
-#define GPIO_LP_GPP_A4 0x02000004
-#define GPIO_LP_GPP_A5 0x02000005
-#define GPIO_LP_GPP_A6 0x02000006
-#define GPIO_LP_GPP_A7 0x02000007
-#define GPIO_LP_GPP_A8 0x02000008
-#define GPIO_LP_GPP_A9 0x02000009
-#define GPIO_LP_GPP_A10 0x0200000A
-#define GPIO_LP_GPP_A11 0x0200000B
-#define GPIO_LP_GPP_A12 0x0200000C
-#define GPIO_LP_GPP_A13 0x0200000D
-#define GPIO_LP_GPP_A14 0x0200000E
-#define GPIO_LP_GPP_A15 0x0200000F
-#define GPIO_LP_GPP_A16 0x02000010
-#define GPIO_LP_GPP_A17 0x02000011
-#define GPIO_LP_GPP_A18 0x02000012
-#define GPIO_LP_GPP_A19 0x02000013
-#define GPIO_LP_GPP_A20 0x02000014
-#define GPIO_LP_GPP_A21 0x02000015
-#define GPIO_LP_GPP_A22 0x02000016
-#define GPIO_LP_GPP_A23 0x02000017
-#define GPIO_LP_GPP_B0 0x02010000
-#define GPIO_LP_GPP_B1 0x02010001
-#define GPIO_LP_GPP_B2 0x02010002
-#define GPIO_LP_GPP_B3 0x02010003
-#define GPIO_LP_GPP_B4 0x02010004
-#define GPIO_LP_GPP_B5 0x02010005
-#define GPIO_LP_GPP_B6 0x02010006
-#define GPIO_LP_GPP_B7 0x02010007
-#define GPIO_LP_GPP_B8 0x02010008
-#define GPIO_LP_GPP_B9 0x02010009
-#define GPIO_LP_GPP_B10 0x0201000A
-#define GPIO_LP_GPP_B11 0x0201000B
-#define GPIO_LP_GPP_B12 0x0201000C
-#define GPIO_LP_GPP_B13 0x0201000D
-#define GPIO_LP_GPP_B14 0x0201000E
-#define GPIO_LP_GPP_B15 0x0201000F
-#define GPIO_LP_GPP_B16 0x02010010
-#define GPIO_LP_GPP_B17 0x02010011
-#define GPIO_LP_GPP_B18 0x02010012
-#define GPIO_LP_GPP_B19 0x02010013
-#define GPIO_LP_GPP_B20 0x02010014
-#define GPIO_LP_GPP_B21 0x02010015
-#define GPIO_LP_GPP_B22 0x02010016
-#define GPIO_LP_GPP_B23 0x02010017
-#define GPIO_LP_GPP_C0 0x02020000
-#define GPIO_LP_GPP_C1 0x02020001
-#define GPIO_LP_GPP_C2 0x02020002
-#define GPIO_LP_GPP_C3 0x02020003
-#define GPIO_LP_GPP_C4 0x02020004
-#define GPIO_LP_GPP_C5 0x02020005
-#define GPIO_LP_GPP_C6 0x02020006
-#define GPIO_LP_GPP_C7 0x02020007
-#define GPIO_LP_GPP_C8 0x02020008
-#define GPIO_LP_GPP_C9 0x02020009
-#define GPIO_LP_GPP_C10 0x0202000A
-#define GPIO_LP_GPP_C11 0x0202000B
-#define GPIO_LP_GPP_C12 0x0202000C
-#define GPIO_LP_GPP_C13 0x0202000D
-#define GPIO_LP_GPP_C14 0x0202000E
-#define GPIO_LP_GPP_C15 0x0202000F
-#define GPIO_LP_GPP_C16 0x02020010
-#define GPIO_LP_GPP_C17 0x02020011
-#define GPIO_LP_GPP_C18 0x02020012
-#define GPIO_LP_GPP_C19 0x02020013
-#define GPIO_LP_GPP_C20 0x02020014
-#define GPIO_LP_GPP_C21 0x02020015
-#define GPIO_LP_GPP_C22 0x02020016
-#define GPIO_LP_GPP_C23 0x02020017
-#define GPIO_LP_GPP_D0 0x02030000
-#define GPIO_LP_GPP_D1 0x02030001
-#define GPIO_LP_GPP_D2 0x02030002
-#define GPIO_LP_GPP_D3 0x02030003
-#define GPIO_LP_GPP_D4 0x02030004
-#define GPIO_LP_GPP_D5 0x02030005
-#define GPIO_LP_GPP_D6 0x02030006
-#define GPIO_LP_GPP_D7 0x02030007
-#define GPIO_LP_GPP_D8 0x02030008
-#define GPIO_LP_GPP_D9 0x02030009
-#define GPIO_LP_GPP_D10 0x0203000A
-#define GPIO_LP_GPP_D11 0x0203000B
-#define GPIO_LP_GPP_D12 0x0203000C
-#define GPIO_LP_GPP_D13 0x0203000D
-#define GPIO_LP_GPP_D14 0x0203000E
-#define GPIO_LP_GPP_D15 0x0203000F
-#define GPIO_LP_GPP_D16 0x02030010
-#define GPIO_LP_GPP_D17 0x02030011
-#define GPIO_LP_GPP_D18 0x02030012
-#define GPIO_LP_GPP_D19 0x02030013
-#define GPIO_LP_GPP_D20 0x02030014
-#define GPIO_LP_GPP_D21 0x02030015
-#define GPIO_LP_GPP_D22 0x02030016
-#define GPIO_LP_GPP_D23 0x02030017
-#define GPIO_LP_GPP_E0 0x02040000
-#define GPIO_LP_GPP_E1 0x02040001
-#define GPIO_LP_GPP_E2 0x02040002
-#define GPIO_LP_GPP_E3 0x02040003
-#define GPIO_LP_GPP_E4 0x02040004
-#define GPIO_LP_GPP_E5 0x02040005
-#define GPIO_LP_GPP_E6 0x02040006
-#define GPIO_LP_GPP_E7 0x02040007
-#define GPIO_LP_GPP_E8 0x02040008
-#define GPIO_LP_GPP_E9 0x02040009
-#define GPIO_LP_GPP_E10 0x0204000A
-#define GPIO_LP_GPP_E11 0x0204000B
-#define GPIO_LP_GPP_E12 0x0204000C
-#define GPIO_LP_GPP_E13 0x0204000D
-#define GPIO_LP_GPP_E14 0x0204000E
-#define GPIO_LP_GPP_E15 0x0204000F
-#define GPIO_LP_GPP_E16 0x02040010
-#define GPIO_LP_GPP_E17 0x02040011
-#define GPIO_LP_GPP_E18 0x02040012
-#define GPIO_LP_GPP_E19 0x02040013
-#define GPIO_LP_GPP_E20 0x02040014
-#define GPIO_LP_GPP_E21 0x02040015
-#define GPIO_LP_GPP_E22 0x02040016
-#define GPIO_LP_GPP_E23 0x02040017
-#define GPIO_LP_GPP_F0 0x02050000
-#define GPIO_LP_GPP_F1 0x02050001
-#define GPIO_LP_GPP_F2 0x02050002
-#define GPIO_LP_GPP_F3 0x02050003
-#define GPIO_LP_GPP_F4 0x02050004
-#define GPIO_LP_GPP_F5 0x02050005
-#define GPIO_LP_GPP_F6 0x02050006
-#define GPIO_LP_GPP_F7 0x02050007
-#define GPIO_LP_GPP_F8 0x02050008
-#define GPIO_LP_GPP_F9 0x02050009
-#define GPIO_LP_GPP_F10 0x0205000A
-#define GPIO_LP_GPP_F11 0x0205000B
-#define GPIO_LP_GPP_F12 0x0205000C
-#define GPIO_LP_GPP_F13 0x0205000D
-#define GPIO_LP_GPP_F14 0x0205000E
-#define GPIO_LP_GPP_F15 0x0205000F
-#define GPIO_LP_GPP_F16 0x02050010
-#define GPIO_LP_GPP_F17 0x02050011
-#define GPIO_LP_GPP_F18 0x02050012
-#define GPIO_LP_GPP_F19 0x02050013
-#define GPIO_LP_GPP_F20 0x02050014
-#define GPIO_LP_GPP_F21 0x02050015
-#define GPIO_LP_GPP_F22 0x02050016
-#define GPIO_LP_GPP_F23 0x02050017
-#define GPIO_LP_GPP_G0 0x02060000
-#define GPIO_LP_GPP_G1 0x02060001
-#define GPIO_LP_GPP_G2 0x02060002
-#define GPIO_LP_GPP_G3 0x02060003
-#define GPIO_LP_GPP_G4 0x02060004
-#define GPIO_LP_GPP_G5 0x02060005
-#define GPIO_LP_GPP_G6 0x02060006
-#define GPIO_LP_GPP_G7 0x02060007
-#define GPIO_LP_GPD0 0x02070000
-#define GPIO_LP_GPD1 0x02070001
-#define GPIO_LP_GPD2 0x02070002
-#define GPIO_LP_GPD3 0x02070003
-#define GPIO_LP_GPD4 0x02070004
-#define GPIO_LP_GPD5 0x02070005
-#define GPIO_LP_GPD6 0x02070006
-#define GPIO_LP_GPD7 0x02070007
-#define GPIO_LP_GPD8 0x02070008
-#define GPIO_LP_GPD9 0x02070009
-#define GPIO_LP_GPD10 0x0207000A
-#define GPIO_LP_GPD11 0x0207000B
+struct pad_config {
+ uint16_t pad;
+ uint16_t attrs;
+ uint32_t dw0;
+};
-#define END_OF_GPIO_TABLE 0xFFFFFFFF
#endif
diff --git a/src/soc/intel/skylake/include/soc/gpio_defs.h b/src/soc/intel/skylake/include/soc/gpio_defs.h
new file mode 100644
index 0000000000..61d80bdffc
--- /dev/null
+++ b/src/soc/intel/skylake/include/soc/gpio_defs.h
@@ -0,0 +1,479 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2015 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc.
+ */
+
+#ifndef _SOC_GPIO_DEFS_H_
+#define _SOC_GPIO_DEFS_H_
+
+/*
+ * GPIOs are ordered monotonically increasing to match ACPI/OS driver.
+ */
+
+/* Group A */
+#define GPP_A0 0
+#define GPP_A1 1
+#define GPP_A2 2
+#define GPP_A3 3
+#define GPP_A4 4
+#define GPP_A5 5
+#define GPP_A6 6
+#define GPP_A7 7
+#define GPP_A8 8
+#define GPP_A9 9
+#define GPP_A10 10
+#define GPP_A11 11
+#define GPP_A12 12
+#define GPP_A13 13
+#define GPP_A14 14
+#define GPP_A15 15
+#define GPP_A16 16
+#define GPP_A17 17
+#define GPP_A18 18
+#define GPP_A19 19
+#define GPP_A20 20
+#define GPP_A21 21
+#define GPP_A22 22
+#define GPP_A23 23
+/* Group B */
+#define GPP_B0 24
+#define GPP_B1 25
+#define GPP_B2 26
+#define GPP_B3 27
+#define GPP_B4 28
+#define GPP_B5 29
+#define GPP_B6 30
+#define GPP_B7 31
+#define GPP_B8 32
+#define GPP_B9 33
+#define GPP_B10 34
+#define GPP_B11 35
+#define GPP_B12 36
+#define GPP_B13 37
+#define GPP_B14 38
+#define GPP_B15 39
+#define GPP_B16 40
+#define GPP_B17 41
+#define GPP_B18 42
+#define GPP_B19 43
+#define GPP_B20 44
+#define GPP_B21 45
+#define GPP_B22 46
+#define GPP_B23 47
+/* Group C */
+#define GPP_C0 48
+#define GPP_C1 49
+#define GPP_C2 50
+#define GPP_C3 51
+#define GPP_C4 52
+#define GPP_C5 53
+#define GPP_C6 54
+#define GPP_C7 55
+#define GPP_C8 56
+#define GPP_C9 57
+#define GPP_C10 58
+#define GPP_C11 59
+#define GPP_C12 60
+#define GPP_C13 61
+#define GPP_C14 62
+#define GPP_C15 63
+#define GPP_C16 64
+#define GPP_C17 65
+#define GPP_C18 66
+#define GPP_C19 67
+#define GPP_C20 68
+#define GPP_C21 69
+#define GPP_C22 70
+#define GPP_C23 71
+/* Group D */
+#define GPP_D0 72
+#define GPP_D1 73
+#define GPP_D2 74
+#define GPP_D3 75
+#define GPP_D4 76
+#define GPP_D5 77
+#define GPP_D6 78
+#define GPP_D7 79
+#define GPP_D8 80
+#define GPP_D9 81
+#define GPP_D10 82
+#define GPP_D11 83
+#define GPP_D12 84
+#define GPP_D13 85
+#define GPP_D14 86
+#define GPP_D15 87
+#define GPP_D16 88
+#define GPP_D17 89
+#define GPP_D18 90
+#define GPP_D19 91
+#define GPP_D20 92
+#define GPP_D21 93
+#define GPP_D22 94
+#define GPP_D23 95
+/* Group E */
+#define GPP_E0 96
+#define GPP_E1 97
+#define GPP_E2 98
+#define GPP_E3 99
+#define GPP_E4 100
+#define GPP_E5 101
+#define GPP_E6 102
+#define GPP_E7 103
+#define GPP_E8 104
+#define GPP_E9 105
+#define GPP_E10 106
+#define GPP_E11 107
+#define GPP_E12 108
+#define GPP_E13 109
+#define GPP_E14 110
+#define GPP_E15 111
+#define GPP_E16 112
+#define GPP_E17 113
+#define GPP_E18 114
+#define GPP_E19 115
+#define GPP_E20 116
+#define GPP_E21 117
+#define GPP_E22 118
+#define GPP_E23 119
+/* Group F */
+#define GPP_F0 120
+#define GPP_F1 121
+#define GPP_F2 122
+#define GPP_F3 123
+#define GPP_F4 124
+#define GPP_F5 125
+#define GPP_F6 126
+#define GPP_F7 127
+#define GPP_F8 128
+#define GPP_F9 129
+#define GPP_F10 130
+#define GPP_F11 131
+#define GPP_F12 132
+#define GPP_F13 133
+#define GPP_F14 134
+#define GPP_F15 135
+#define GPP_F16 136
+#define GPP_F17 137
+#define GPP_F18 138
+#define GPP_F19 139
+#define GPP_F20 140
+#define GPP_F21 141
+#define GPP_F22 142
+#define GPP_F23 143
+/* Group G */
+#define GPP_G0 144
+#define GPP_G1 145
+#define GPP_G2 146
+#define GPP_G3 147
+#define GPP_G4 148
+#define GPP_G5 149
+#define GPP_G6 150
+#define GPP_G7 151
+/* Group GPD */
+#define GPD0 152
+#define GPD1 153
+#define GPD2 154
+#define GPD3 155
+#define GPD4 156
+#define GPD5 157
+#define GPD6 158
+#define GPD7 159
+#define GPD8 160
+#define GPD9 161
+#define GPD10 162
+#define GPD11 163
+
+/*
+ * IOxAPIC IRQs for the GPIOs
+ */
+
+/* Group A */
+#define GPP_A0_IRQ 0x18
+#define GPP_A1_IRQ 0x19
+#define GPP_A2_IRQ 0x1a
+#define GPP_A3_IRQ 0x1b
+#define GPP_A4_IRQ 0x1c
+#define GPP_A5_IRQ 0x1d
+#define GPP_A6_IRQ 0x1e
+#define GPP_A7_IRQ 0x1f
+#define GPP_A8_IRQ 0x20
+#define GPP_A9_IRQ 0x21
+#define GPP_A10_IRQ 0x22
+#define GPP_A11_IRQ 0x23
+#define GPP_A12_IRQ 0x24
+#define GPP_A13_IRQ 0x25
+#define GPP_A14_IRQ 0x26
+#define GPP_A15_IRQ 0x27
+#define GPP_A16_IRQ 0x28
+#define GPP_A17_IRQ 0x29
+#define GPP_A18_IRQ 0x2a
+#define GPP_A19_IRQ 0x2b
+#define GPP_A20_IRQ 0x2c
+#define GPP_A21_IRQ 0x2d
+#define GPP_A22_IRQ 0x2e
+#define GPP_A23_IRQ 0x2f
+/* Group B */
+#define GPP_B0_IRQ 0x30
+#define GPP_B1_IRQ 0x31
+#define GPP_B2_IRQ 0x32
+#define GPP_B3_IRQ 0x33
+#define GPP_B4_IRQ 0x34
+#define GPP_B5_IRQ 0x35
+#define GPP_B6_IRQ 0x36
+#define GPP_B7_IRQ 0x37
+#define GPP_B8_IRQ 0x38
+#define GPP_B9_IRQ 0x39
+#define GPP_B10_IRQ 0x3a
+#define GPP_B11_IRQ 0x3b
+#define GPP_B12_IRQ 0x3c
+#define GPP_B13_IRQ 0x3d
+#define GPP_B14_IRQ 0x3e
+#define GPP_B15_IRQ 0x3f
+#define GPP_B16_IRQ 0x40
+#define GPP_B17_IRQ 0x41
+#define GPP_B18_IRQ 0x42
+#define GPP_B19_IRQ 0x43
+#define GPP_B20_IRQ 0x44
+#define GPP_B21_IRQ 0x45
+#define GPP_B22_IRQ 0x46
+#define GPP_B23_IRQ 0x47
+/* Group C */
+#define GPP_C0_IRQ 0x48
+#define GPP_C1_IRQ 0x49
+#define GPP_C2_IRQ 0x4a
+#define GPP_C3_IRQ 0x4b
+#define GPP_C4_IRQ 0x4c
+#define GPP_C5_IRQ 0x4d
+#define GPP_C6_IRQ 0x4e
+#define GPP_C7_IRQ 0x4f
+#define GPP_C8_IRQ 0x50
+#define GPP_C9_IRQ 0x51
+#define GPP_C10_IRQ 0x52
+#define GPP_C11_IRQ 0x53
+#define GPP_C12_IRQ 0x54
+#define GPP_C13_IRQ 0x55
+#define GPP_C14_IRQ 0x56
+#define GPP_C15_IRQ 0x57
+#define GPP_C16_IRQ 0x58
+#define GPP_C17_IRQ 0x59
+#define GPP_C18_IRQ 0x5a
+#define GPP_C19_IRQ 0x5b
+#define GPP_C20_IRQ 0x5c
+#define GPP_C21_IRQ 0x5d
+#define GPP_C22_IRQ 0x5e
+#define GPP_C23_IRQ 0x5f
+/* Group D */
+#define GPP_D0_IRQ 0x60
+#define GPP_D1_IRQ 0x61
+#define GPP_D2_IRQ 0x62
+#define GPP_D3_IRQ 0x63
+#define GPP_D4_IRQ 0x64
+#define GPP_D5_IRQ 0x65
+#define GPP_D6_IRQ 0x66
+#define GPP_D7_IRQ 0x67
+#define GPP_D8_IRQ 0x68
+#define GPP_D9_IRQ 0x69
+#define GPP_D10_IRQ 0x6a
+#define GPP_D11_IRQ 0x6b
+#define GPP_D12_IRQ 0x6c
+#define GPP_D13_IRQ 0x6d
+#define GPP_D14_IRQ 0x6e
+#define GPP_D15_IRQ 0x6f
+#define GPP_D16_IRQ 0x70
+#define GPP_D17_IRQ 0x71
+#define GPP_D18_IRQ 0x72
+#define GPP_D19_IRQ 0x73
+#define GPP_D20_IRQ 0x74
+#define GPP_D21_IRQ 0x75
+#define GPP_D22_IRQ 0x76
+#define GPP_D23_IRQ 0x77
+/* Group E */
+#define GPP_E0_IRQ 0x18
+#define GPP_E1_IRQ 0x19
+#define GPP_E2_IRQ 0x1a
+#define GPP_E3_IRQ 0x1b
+#define GPP_E4_IRQ 0x1c
+#define GPP_E5_IRQ 0x1d
+#define GPP_E6_IRQ 0x1e
+#define GPP_E7_IRQ 0x1f
+#define GPP_E8_IRQ 0x20
+#define GPP_E9_IRQ 0x21
+#define GPP_E10_IRQ 0x22
+#define GPP_E11_IRQ 0x23
+#define GPP_E12_IRQ 0x24
+#define GPP_E13_IRQ 0x25
+#define GPP_E14_IRQ 0x26
+#define GPP_E15_IRQ 0x27
+#define GPP_E16_IRQ 0x28
+#define GPP_E17_IRQ 0x29
+#define GPP_E18_IRQ 0x2a
+#define GPP_E19_IRQ 0x2b
+#define GPP_E20_IRQ 0x2c
+#define GPP_E21_IRQ 0x2d
+#define GPP_E22_IRQ 0x2e
+#define GPP_E23_IRQ 0x2f
+/* Group F */
+#define GPP_F0_IRQ 0x30
+#define GPP_F1_IRQ 0x31
+#define GPP_F2_IRQ 0x32
+#define GPP_F3_IRQ 0x33
+#define GPP_F4_IRQ 0x34
+#define GPP_F5_IRQ 0x35
+#define GPP_F6_IRQ 0x36
+#define GPP_F7_IRQ 0x37
+#define GPP_F8_IRQ 0x38
+#define GPP_F9_IRQ 0x39
+#define GPP_F10_IRQ 0x3a
+#define GPP_F11_IRQ 0x3b
+#define GPP_F12_IRQ 0x3c
+#define GPP_F13_IRQ 0x3d
+#define GPP_F14_IRQ 0x3e
+#define GPP_F15_IRQ 0x3f
+#define GPP_F16_IRQ 0x40
+#define GPP_F17_IRQ 0x41
+#define GPP_F18_IRQ 0x42
+#define GPP_F19_IRQ 0x43
+#define GPP_F20_IRQ 0x44
+#define GPP_F21_IRQ 0x45
+#define GPP_F22_IRQ 0x46
+#define GPP_F23_IRQ 0x47
+/* Group G */
+#define GPP_G0_IRQ 0x48
+#define GPP_G1_IRQ 0x49
+#define GPP_G2_IRQ 0x4a
+#define GPP_G3_IRQ 0x4b
+#define GPP_G4_IRQ 0x4c
+#define GPP_G5_IRQ 0x4d
+#define GPP_G6_IRQ 0x4e
+#define GPP_G7_IRQ 0x4f
+/* Group GPD */
+#define GPD0_IRQ 0x50
+#define GPD1_IRQ 0x51
+#define GPD2_IRQ 0x52
+#define GPD3_IRQ 0x53
+#define GPD4_IRQ 0x54
+#define GPD5_IRQ 0x55
+#define GPD6_IRQ 0x56
+#define GPD7_IRQ 0x57
+#define GPD8_IRQ 0x58
+#define GPD9_IRQ 0x59
+#define GPD10_IRQ 0x5a
+#define GPD11_IRQ 0x5b
+
+/* Register defines. */
+#define PAD_OWN_REG_OFFSET 0x20
+#define PAD_OWN_PADS_PER 8
+#define PAD_OWN_WIDTH_PER 4
+#define PAD_OWN_MASK 0x03
+#define PAD_OWN_HOST 0x00
+#define PAD_OWN_ME 0x01
+#define PAD_OWN_ISH 0x02
+#define HOSTSW_OWN_REG_OFFSET 0xd0
+#define HOSTSW_OWN_PADS_PER 24
+#define HOSTSW_OWN_ACPI 0
+#define HOSTSW_OWN_GPIO 1
+#define PAD_CFG_DW_OFFSET 0x400
+ /* PADRSTCFG - when to reset the pad config */
+#define PADRSTCFG_SHIFT 30
+#define PADRSTCFG_MASK 0x3
+#define PADRSTCFG_DSW_PWROK 0
+#define PADRSTCFG_DEEP 1
+#define PADRSTCFG_PLTRST 2
+#define PADRSTCFG_RSMRST 3
+ /* RXPADSTSEL - raw signal or internal state */
+#define RXPADSTSEL_SHIFT 29
+#define RXPADSTSEL_MASK 0x1
+#define RXPADSTSEL_RAW 0
+#define RXPADSTSEL_INTERNAL 1
+ /* RXRAW1 - drive 1 instead instead of pad value */
+#define RXRAW1_SHIFT 28
+#define RXRAW1_MASK 0x1
+#define RXRAW1_NO 0
+#define RXRAW1_YES 1
+ /* RXEVCFG - Interrupt and wake types */
+#define RXEVCFG_SHIFT 25
+#define RXEVCFG_MASK 0x3
+#define RXEVCFG_LEVEL 0
+#define RXEVCFG_EDGE 1
+#define RXEVCFG_DRIVE0 2
+ /* PREGFRXSEL - use filtering on Rx pad */
+#define PREGFRXSEL_SHIFT 24
+#define PREGFRXSEL_MASK 0x1
+#define PREGFRXSEL_NO 0
+#define PREGFRXSEL_YES 1
+ /* RXINV - invert signal to SMI, SCI, NMI, or IRQ routing. */
+#define RXINV_SHIFT 23
+#define RXINV_MASK 0x1
+#define RXINV_NO 0
+#define RXINV_YES 1
+ /* GPIROUTIOXAPIC - route to io-xapic or not */
+#define GPIROUTIOXAPIC_SHIFT 20
+#define GPIROUTIOXAPIC_MASK 0x1
+#define GPIROUTIOXAPIC_NO 0
+#define GPIROUTIOXAPIC_YES 1
+ /* GPIROUTSCI - route to SCI */
+#define GPIROUTSCI_SHIFT 19
+#define GPIROUTSCI_MASK 0x1
+#define GPIROUTSCI_NO 0
+#define GPIROUTSCI_YES 1
+ /* GPIROUTSMI - route to SMI */
+#define GPIROUTSMI_SHIFT 18
+#define GPIROUTSMI_MASK 0x1
+#define GPIROUTSMI_NO 0
+#define GPIROUTSMI_YES 1
+ /* GPIROUTNMI - route to NMI */
+#define GPIROUTNMI_SHIFT 17
+#define GPIROUTNMI_MASK 0x1
+#define GPIROUTNMI_NO 0
+#define GPIROUTNMI_YES 1
+ /* PMODE - mode of pad */
+#define PMODE_SHIFT 10
+#define PMODE_MASK 0x3
+#define PMODE_GPIO 0
+#define PMODE_NF1 1
+#define PMODE_NF2 2
+#define PMODE_NF3 3
+ /* GPIORXDIS - Disable Rx */
+#define GPIORXDIS_SHIFT 9
+#define GPIORXDIS_MASK 0x1
+#define GPIORXDIS_NO 0
+#define GPIORXDIS_YES 1
+ /* GPIOTXDIS - Disable Tx */
+#define GPIOTXDIS_SHIFT 8
+#define GPIOTXDIS_MASK 0x1
+#define GPIOTXDIS_NO 0
+#define GPIOTXDIS_YES 1
+ /* GPIORXSTATE - Internal state after glitch filter */
+#define GPIORXSTATE_SHIFT 1
+#define GPIORXSTATE_MASK 0x1
+ /* GPIOTXSTATE - Drive value onto pad */
+#define GPIOTXSTATE_SHIFT 0
+#define GPIOTXSTATE_MASK 0x1
+#define PAD_CFG_DW_OFFSET 0x400
+ /* TERM - termination control */
+#define PAD_TERM_SHIFT 10
+#define PAD_TERM_MASK 0xf
+#define PAD_TERM_NONE 0
+#define PAD_TERM_5K_PD 2
+#define PAD_TERM_1K_PU 9
+#define PAD_TERM_2K_PU 11
+#define PAD_TERM_5K_PU 10
+#define PAD_TERM_20K_PU 12
+#define PAD_TERM_667_PU 13
+#define PAD_TERM_NATIVE 15
+
+#endif /* _SOC_GPIO_DEFS_H_ */
diff --git a/src/soc/intel/skylake/include/soc/gpio_fsp.h b/src/soc/intel/skylake/include/soc/gpio_fsp.h
new file mode 100644
index 0000000000..cedbf82cb1
--- /dev/null
+++ b/src/soc/intel/skylake/include/soc/gpio_fsp.h
@@ -0,0 +1,512 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ * Copyright (C) 2015 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc.
+ */
+
+#ifndef _SOC_GPIO_FSP_H_
+#define _SOC_GPIO_FSP_H_
+
+#include <stdint.h>
+
+/*
+ * GPP_Ax to GPP_Gx;
+ * where x=24 [between GPIO Community A to F]
+ * = 7 [only for GPIO Community G]
+ */
+#define MAX_GPIO_NUMBER 151 /* zero based */
+#define GPIO_LIST_END 0xffffffff
+
+/*
+ * Skylake LP GPIO PIN to Pad Mapping
+ */
+#define GPIO_LP_GROUP_A 0x0
+#define GPIO_LP_GROUP_B 0x1
+#define GPIO_LP_GROUP_C 0x2
+#define GPIO_LP_GROUP_D 0x3
+#define GPIO_LP_GROUP_E 0x4
+#define GPIO_LP_GROUP_F 0x5
+#define GPIO_LP_GROUP_G 0x6
+
+#define GPIO_LP_GROUP_GPP_A 0x0200
+#define GPIO_LP_GROUP_GPP_B 0x0201
+#define GPIO_LP_GROUP_GPP_C 0x0202
+#define GPIO_LP_GROUP_GPP_D 0x0203
+#define GPIO_LP_GROUP_GPP_E 0x0204
+#define GPIO_LP_GROUP_GPP_F 0x0205
+#define GPIO_LP_GROUP_GPP_G 0x0206
+
+#define GPIO_GROUP_SHIFT 16
+#define MAX_GPIO_PIN_PER_GROUP 24
+
+/* GPIO TX STATE */
+#define B_PCH_GPIO_TX_STATE 0x0001
+#define N_PCH_GPIO_TX_STATE 0
+
+/* Interrupt number */
+#define B_PCH_GPIO_INTSEL 0x7F
+#define N_PCH_GPIO_INTSEL 0
+
+/* Structure for storing information about registers offset, community,
+ * maximal pad number, smi status and smi enable for available groups
+ */
+typedef struct {
+ u32 community;
+ u32 padcfgoffset;
+ u32 padpergroup;
+ u32 smistsoffset;
+ u32 smienoffset;
+} GPIO_GROUP_INFO;
+
+/*
+ * GPIO Community 0 Registers are for GPP_A and GPP_B groups
+ */
+#define R_PCH_PCR_GPIO_GPP_A_PADCFG_OFFSET 0x400
+#define R_PCH_PCR_GPIO_GPP_B_PADCFG_OFFSET 0x4C0
+#define R_PCH_PCR_GPIO_GPP_A_SMI_STS 0x0180
+#define R_PCH_PCR_GPIO_GPP_B_SMI_STS 0x0184
+#define R_PCH_PCR_GPIO_GPP_A_SMI_EN 0x01A0
+#define R_PCH_PCR_GPIO_GPP_B_SMI_EN 0x01A4
+
+/*
+ * GPIO Community 1 Registers are for GPP_C, GPP_D, GPP_E groups
+ */
+#define R_PCH_PCR_GPIO_GPP_C_PADCFG_OFFSET 0x400
+#define R_PCH_PCR_GPIO_GPP_D_PADCFG_OFFSET 0x4C0
+#define R_PCH_PCR_GPIO_GPP_E_PADCFG_OFFSET 0x580
+#define R_PCH_PCR_GPIO_GPP_C_SMI_STS 0x0180
+#define R_PCH_PCR_GPIO_GPP_D_SMI_STS 0x0184
+#define R_PCH_PCR_GPIO_GPP_E_SMI_STS 0x0188
+#define R_PCH_PCR_GPIO_GPP_C_SMI_EN 0x01A0
+#define R_PCH_PCR_GPIO_GPP_D_SMI_EN 0x01A4
+#define R_PCH_PCR_GPIO_GPP_E_SMI_EN 0x01A8
+
+/*
+ * GPIO Community 3 Registers are for GPP_F and GPP_G groups
+ */
+#define R_PCH_PCR_GPIO_GPP_F_PADCFG_OFFSET 0x400
+#define R_PCH_PCR_GPIO_GPP_G_PADCFG_OFFSET 0x4C0
+
+/*
+ * GPIO Community 2 Registers are for GPP_DSW
+ */
+#define R_PCH_PCR_GPIO_GPD_PADCFG_OFFSET 0x400
+
+#define READ 0
+#define WRITE 1
+
+/* If in GPIO_GROUP_INFO structure certain register doesn't exist
+ * it will have value equal to NO_REGISTER_PROPERTY
+ */
+#define NO_REGISTER_PROPERTY (~0u)
+
+#define V_PCH_GPIO_GPP_A_PAD_MAX 24
+#define V_PCH_GPIO_GPP_B_PAD_MAX 24
+#define V_PCH_GPIO_GPP_C_PAD_MAX 24
+#define V_PCH_GPIO_GPP_D_PAD_MAX 24
+#define V_PCH_GPIO_GPP_E_PAD_MAX 24
+#define V_PCH_GPIO_GPP_F_PAD_MAX 24
+#define V_PCH_GPIO_GPP_G_PAD_MAX 8
+#define V_PCH_GPIO_GPD_PAD_MAX 12
+
+#define GPIO_GET_GROUP_INDEX(group) (group & 0xFF)
+#define GPIO_GET_GROUP_INDEX_FROM_PAD(pad) (\
+ GPIO_GET_GROUP_INDEX((pad >> 16)))
+#define GPIO_GET_PAD_NUMBER(pad) (pad & 0xFFFF)
+
+/* Number of pins used by SerialIo controllers */
+#define PCH_SERIAL_IO_PINS_PER_UART_CONTROLLER 4
+#define PCH_SERIAL_IO_PINS_PER_UART_CONTROLLER_NO_FLOW_CTRL 2
+
+/* Below defines are based on GPIO_CONFIG structure fields */
+#define GPIO_CONF_PAD_MODE_MASK 0xF
+#define GPIO_CONF_PAD_MODE_BIT_POS 0
+
+/* GPIO Pad Mode */
+#define B_PCH_GPIO_PAD_MODE (0x1000 | 0x800 | 0x400)
+#define N_PCH_GPIO_PAD_MODE 10
+
+/* For any GpioPad usage in code use GPIO_PAD type*/
+typedef u32 GPIO_PAD;
+
+/* For any GpioGroup usage in code use GPIO_GROUP type */
+typedef u32 GPIO_GROUP;
+
+/*
+ * GPIO configuration structure used for pin programming.
+ * Structure contains fields that can be used to configure pad.
+ */
+typedef struct {
+ /*
+ Pad Mode
+ Pad can be set as GPIO or one of its native functions.
+ When in native mode setting Direction, OutputState, Interrupt is unnecessary.
+ Refer to definition of GPIO_PAD_MODE.
+ Refer to EDS for each native mode according to the pad.
+ */
+ u32 PadMode : 4;
+ /*
+ Host Software Pad Ownership
+ Set pad to ACPI mode or GPIO Driver Mode.
+ Refer to definition of GPIO_HOSTSW_OWN.
+ */
+ u32 HostSoftPadOwn : 2;
+ /*
+ GPIO Direction
+ Can choose between In, In with inversion Out, both In and Out, both In with inversion and out or d
+ isabling both.
+ Refer to definition of GPIO_DIRECTION for supported settings.
+ */
+ u32 Direction : 5;
+ /*
+ Output State
+ Set Pad output value.
+ Refer to definition of GPIO_OUTPUT_STATE for supported settings.
+ This setting takes place when output is enabled.
+ */
+ u32 OutputState : 2;
+ /*
+ GPIO Interrupt Configuration
+ Set Pad to cause one of interrupts (IOxAPIC/SCI/SMI/NMI). This setting is applicable only if GPIO
+ A is in input mode.
+ If GPIO is set to cause an SCI then also Gpe is enabled for this pad.
+ Refer to definition of GPIO_INT_CONFIG for supported settings.
+ */
+ u32 InterruptConfig : 8;
+ /*
+ GPIO Power Configuration.
+ This setting controls Pad Reset Configuration and Power Rail Type.
+ Refer to definition of GPIO_RESET_CONFIG for supported settings.
+ */
+ u32 PowerConfig : 4;
+ /*
+ GPIO Electrical Configuration
+ This setting controls pads termination and voltage tolerance.
+ Refer to definition of GPIO_ELECTRICAL_CONFIG for supported settings.
+ */
+ u32 ElectricalConfig : 7;
+ /*
+ GPIO Lock Configuration
+ This setting controls pads lock.
+ Refer to definition of GPIO_LOCK_CONFIG for supported settings.
+ */
+ u32 LockConfig : 3;
+ /*
+ Additional GPIO configuration
+ Refer to definition of GPIO_OTHER_CONFIG for supported settings.
+ */
+ u32 OtherSettings : 2;
+ u32 RsvdBits : 27;
+} GPIO_CONFIG;
+
+typedef struct {
+ GPIO_PAD GpioPad;
+ GPIO_CONFIG GpioConfig;
+} GPIO_INIT_CONFIG;
+
+typedef enum {
+ GpioHardwareDefault = 0x0
+} GPIO_HARDWARE_DEFAULT;
+
+/* GPIO Pad Mode */
+typedef enum {
+ GpioPadModeGpio = 0x1,
+ GpioPadModeNative1 = 0x3,
+ GpioPadModeNative2 = 0x5,
+ GpioPadModeNative3 = 0x7,
+ GpioPadModeNative4 = 0x9,
+} GPIO_PAD_MODE;
+
+/* Host Software Pad Ownership modes */
+typedef enum {
+ GpioHostOwnDefault = 0x0, /* Leave ownership value unmodified */
+ GpioHostOwnAcpi = 0x1, /* Set HOST ownership to ACPI */
+ GpioHostOwnGpio = 0x3 /* Set HOST ownership to GPIO */
+} GPIO_HOSTSW_OWN;
+
+/* GPIO Direction */
+typedef enum {
+ GpioDirDefault = 0x0, /* Leave pad direction setting unmodified */
+ GpioDirInOut = (0x1 | (0x1 << 3)), /* Set pad for both output and input */
+ GpioDirInInvOut = (0x1 | (0x3 << 3)), /* Set pad for both output and input with inversion */
+ GpioDirIn = (0x3 | (0x1 << 3)), /* Set pad for input only */
+ GpioDirInInv = (0x3 | (0x3 << 3)), /* Set pad for input with inversion */
+ GpioDirOut = 0x5, /* Set pad for output only */
+ GpioDirNone = 0x7 /* Disable both output and input */
+} GPIO_DIRECTION;
+
+/* GPIO Output State */
+typedef enum {
+ GpioOutDefault = 0x0,
+ GpioOutLow = 0x1,
+ GpioOutHigh = 0x3
+} GPIO_OUTPUT_STATE;
+
+/*
+ * GPIO interrupt configuration
+ * This setting is applicable only if GPIO is in input mode.
+ * GPIO_INT_CONFIG allows to choose which interrupt is generted
+ * (IOxAPIC/SCI/SMI/NMI) and how it is triggered (edge or level).
+ * Field from GpioIntNmi to GpioIntApic can be OR'ed with GpioIntLevel to
+ * GpioIntBothEdgecan to describe an interrupt e.g. GpioIntApic | GpioIntLevel
+ * If GPIO is set to cause an SCI then also Gpe is enabled for this pad.
+ * Not all GPIO are capable of generating an SMI or NMI interrupt
+ */
+typedef enum {
+ GpioIntDefault = 0x0, /* Leave value of interrupt routing unmodified */
+ GpioIntDis = 0x1, /* Disable IOxAPIC/SCI/SMI/NMI interrupt generation */
+ GpioIntNmi = 0x3, /* Enable NMI interrupt only */
+ GpioIntSmi = 0x5, /* Enable SMI interrupt only */
+ GpioIntSci = 0x9, /* Enable SCI interrupt only */
+ GpioIntApic = 0x11, /* Enable IOxAPIC interrupt only */
+ GpioIntLevel = (0x1 << 5), /* Set interrupt as level triggered */
+ GpioIntEdge = (0x3 << 5), /* Set interrupt as edge triggered */
+ GpioIntLvlEdgDis = (0x5 << 5), /* Disable interrupt trigger */
+ GpioIntBothEdge = (0x7 << 5) /* Set interrupt as both edge triggered */
+} GPIO_INT_CONFIG;
+
+/*
+ * GPIO Power Configuration
+ * GPIO_RESET_CONFIG allows to set GPIO Reset (used to reset the specified
+ * Pad Register fields).
+ */
+typedef enum {
+ GpioResetDefault = 0x0, /* Leave value of pad reset unmodified */
+ GpioResetPwrGood = 0x1, /* Powergood reset */
+ GpioResetDeep = 0x3, /* Deep GPIO Reset */
+ GpioResetNormal = 0x5, /* GPIO Reset */
+ GpioResetResume = 0x7 /* Resume Reset */
+} GPIO_RESET_CONFIG;
+
+/*
+ * GPIO Electrical Configuration
+ * Set GPIO termination and Pad Tolerance (applicable only for some pads)
+ * Field from GpioTermDefault to GpioTermNative can be OR'ed with
+ * GpioTolerance1v8.
+ */
+typedef enum {
+ GpioTermDefault = 0x0, /* Leave termination setting unmodified */
+ GpioTermNone = 0x1, /* none */
+ GpioTermWpd5K = 0x5, /* 5kOhm weak pull-down */
+ GpioTermWpd20K = 0x9, /* 20kOhm weak pull-down */
+ GpioTermWpu1K = 0x13, /* 1kOhm weak pull-up */
+ GpioTermWpu2K = 0x17, /* 2kOhm weak pull-up */
+ GpioTermWpu5K = 0x15, /* 5kOhm weak pull-up */
+ GpioTermWpu20K = 0x19, /* 20kOhm weak pull-up */
+ GpioTermWpu1K2K = 0x1B, /* 1kOhm & 2kOhm weak pull-up */
+ GpioTermNative = 0x1F, /* Native function for pads termination */
+ GpioNoTolerance1v8 = (0x1 << 5), /* Disable 1.8V pad tolerance */
+ GpioTolerance1v8 = (0x3 << 5) /* Enable 1.8V pad tolerance */
+} GPIO_ELECTRICAL_CONFIG;
+
+/*
+ * GPIO LockConfiguration
+ * Set GPIO configuration lock and output state lock
+ * GpioLockPadConfig and GpioLockOutputState can be OR'ed
+ */
+typedef enum {
+ GpioLockDefault = 0x0, /* Leave lock setting unmodified */
+ GpioPadConfigLock = 0x3, /* Lock Pad Configuration */
+ GpioOutputStateLock = 0x5 /* Lock GPIO pad output value */
+} GPIO_LOCK_CONFIG;
+
+/*
+ * Other GPIO Configuration GPIO_OTHER_CONFIG is used for less often
+ * settings and for future extensions Supported settings:
+ * - RX raw override to '1' - allows to override input value to '1'
+ * This is applicable only if in input mode (both in GPIO and native usage)
+ * The override takes place at the internal pad state directly from buffer
+ * and before the RXINV.
+ */
+typedef enum {
+ GpioRxRaw1Default = 0x0, /* Use default input override value */
+ GpioRxRaw1Dis = 0x1, /* Don't override input */
+ GpioRxRaw1En = 0x3 /* Override input to '1' */
+} GPIO_OTHER_CONFIG;
+
+/*
+ * LP GPIO pins: Use below for functions from PCH GPIO Lib which
+ * require GpioPad as argument. Encoding used here
+ * has all information required by library functions
+ */
+#define GPIO_LP_GPP_A0 0x02000000
+#define GPIO_LP_GPP_A1 0x02000001
+#define GPIO_LP_GPP_A2 0x02000002
+#define GPIO_LP_GPP_A3 0x02000003
+#define GPIO_LP_GPP_A4 0x02000004
+#define GPIO_LP_GPP_A5 0x02000005
+#define GPIO_LP_GPP_A6 0x02000006
+#define GPIO_LP_GPP_A7 0x02000007
+#define GPIO_LP_GPP_A8 0x02000008
+#define GPIO_LP_GPP_A9 0x02000009
+#define GPIO_LP_GPP_A10 0x0200000A
+#define GPIO_LP_GPP_A11 0x0200000B
+#define GPIO_LP_GPP_A12 0x0200000C
+#define GPIO_LP_GPP_A13 0x0200000D
+#define GPIO_LP_GPP_A14 0x0200000E
+#define GPIO_LP_GPP_A15 0x0200000F
+#define GPIO_LP_GPP_A16 0x02000010
+#define GPIO_LP_GPP_A17 0x02000011
+#define GPIO_LP_GPP_A18 0x02000012
+#define GPIO_LP_GPP_A19 0x02000013
+#define GPIO_LP_GPP_A20 0x02000014
+#define GPIO_LP_GPP_A21 0x02000015
+#define GPIO_LP_GPP_A22 0x02000016
+#define GPIO_LP_GPP_A23 0x02000017
+#define GPIO_LP_GPP_B0 0x02010000
+#define GPIO_LP_GPP_B1 0x02010001
+#define GPIO_LP_GPP_B2 0x02010002
+#define GPIO_LP_GPP_B3 0x02010003
+#define GPIO_LP_GPP_B4 0x02010004
+#define GPIO_LP_GPP_B5 0x02010005
+#define GPIO_LP_GPP_B6 0x02010006
+#define GPIO_LP_GPP_B7 0x02010007
+#define GPIO_LP_GPP_B8 0x02010008
+#define GPIO_LP_GPP_B9 0x02010009
+#define GPIO_LP_GPP_B10 0x0201000A
+#define GPIO_LP_GPP_B11 0x0201000B
+#define GPIO_LP_GPP_B12 0x0201000C
+#define GPIO_LP_GPP_B13 0x0201000D
+#define GPIO_LP_GPP_B14 0x0201000E
+#define GPIO_LP_GPP_B15 0x0201000F
+#define GPIO_LP_GPP_B16 0x02010010
+#define GPIO_LP_GPP_B17 0x02010011
+#define GPIO_LP_GPP_B18 0x02010012
+#define GPIO_LP_GPP_B19 0x02010013
+#define GPIO_LP_GPP_B20 0x02010014
+#define GPIO_LP_GPP_B21 0x02010015
+#define GPIO_LP_GPP_B22 0x02010016
+#define GPIO_LP_GPP_B23 0x02010017
+#define GPIO_LP_GPP_C0 0x02020000
+#define GPIO_LP_GPP_C1 0x02020001
+#define GPIO_LP_GPP_C2 0x02020002
+#define GPIO_LP_GPP_C3 0x02020003
+#define GPIO_LP_GPP_C4 0x02020004
+#define GPIO_LP_GPP_C5 0x02020005
+#define GPIO_LP_GPP_C6 0x02020006
+#define GPIO_LP_GPP_C7 0x02020007
+#define GPIO_LP_GPP_C8 0x02020008
+#define GPIO_LP_GPP_C9 0x02020009
+#define GPIO_LP_GPP_C10 0x0202000A
+#define GPIO_LP_GPP_C11 0x0202000B
+#define GPIO_LP_GPP_C12 0x0202000C
+#define GPIO_LP_GPP_C13 0x0202000D
+#define GPIO_LP_GPP_C14 0x0202000E
+#define GPIO_LP_GPP_C15 0x0202000F
+#define GPIO_LP_GPP_C16 0x02020010
+#define GPIO_LP_GPP_C17 0x02020011
+#define GPIO_LP_GPP_C18 0x02020012
+#define GPIO_LP_GPP_C19 0x02020013
+#define GPIO_LP_GPP_C20 0x02020014
+#define GPIO_LP_GPP_C21 0x02020015
+#define GPIO_LP_GPP_C22 0x02020016
+#define GPIO_LP_GPP_C23 0x02020017
+#define GPIO_LP_GPP_D0 0x02030000
+#define GPIO_LP_GPP_D1 0x02030001
+#define GPIO_LP_GPP_D2 0x02030002
+#define GPIO_LP_GPP_D3 0x02030003
+#define GPIO_LP_GPP_D4 0x02030004
+#define GPIO_LP_GPP_D5 0x02030005
+#define GPIO_LP_GPP_D6 0x02030006
+#define GPIO_LP_GPP_D7 0x02030007
+#define GPIO_LP_GPP_D8 0x02030008
+#define GPIO_LP_GPP_D9 0x02030009
+#define GPIO_LP_GPP_D10 0x0203000A
+#define GPIO_LP_GPP_D11 0x0203000B
+#define GPIO_LP_GPP_D12 0x0203000C
+#define GPIO_LP_GPP_D13 0x0203000D
+#define GPIO_LP_GPP_D14 0x0203000E
+#define GPIO_LP_GPP_D15 0x0203000F
+#define GPIO_LP_GPP_D16 0x02030010
+#define GPIO_LP_GPP_D17 0x02030011
+#define GPIO_LP_GPP_D18 0x02030012
+#define GPIO_LP_GPP_D19 0x02030013
+#define GPIO_LP_GPP_D20 0x02030014
+#define GPIO_LP_GPP_D21 0x02030015
+#define GPIO_LP_GPP_D22 0x02030016
+#define GPIO_LP_GPP_D23 0x02030017
+#define GPIO_LP_GPP_E0 0x02040000
+#define GPIO_LP_GPP_E1 0x02040001
+#define GPIO_LP_GPP_E2 0x02040002
+#define GPIO_LP_GPP_E3 0x02040003
+#define GPIO_LP_GPP_E4 0x02040004
+#define GPIO_LP_GPP_E5 0x02040005
+#define GPIO_LP_GPP_E6 0x02040006
+#define GPIO_LP_GPP_E7 0x02040007
+#define GPIO_LP_GPP_E8 0x02040008
+#define GPIO_LP_GPP_E9 0x02040009
+#define GPIO_LP_GPP_E10 0x0204000A
+#define GPIO_LP_GPP_E11 0x0204000B
+#define GPIO_LP_GPP_E12 0x0204000C
+#define GPIO_LP_GPP_E13 0x0204000D
+#define GPIO_LP_GPP_E14 0x0204000E
+#define GPIO_LP_GPP_E15 0x0204000F
+#define GPIO_LP_GPP_E16 0x02040010
+#define GPIO_LP_GPP_E17 0x02040011
+#define GPIO_LP_GPP_E18 0x02040012
+#define GPIO_LP_GPP_E19 0x02040013
+#define GPIO_LP_GPP_E20 0x02040014
+#define GPIO_LP_GPP_E21 0x02040015
+#define GPIO_LP_GPP_E22 0x02040016
+#define GPIO_LP_GPP_E23 0x02040017
+#define GPIO_LP_GPP_F0 0x02050000
+#define GPIO_LP_GPP_F1 0x02050001
+#define GPIO_LP_GPP_F2 0x02050002
+#define GPIO_LP_GPP_F3 0x02050003
+#define GPIO_LP_GPP_F4 0x02050004
+#define GPIO_LP_GPP_F5 0x02050005
+#define GPIO_LP_GPP_F6 0x02050006
+#define GPIO_LP_GPP_F7 0x02050007
+#define GPIO_LP_GPP_F8 0x02050008
+#define GPIO_LP_GPP_F9 0x02050009
+#define GPIO_LP_GPP_F10 0x0205000A
+#define GPIO_LP_GPP_F11 0x0205000B
+#define GPIO_LP_GPP_F12 0x0205000C
+#define GPIO_LP_GPP_F13 0x0205000D
+#define GPIO_LP_GPP_F14 0x0205000E
+#define GPIO_LP_GPP_F15 0x0205000F
+#define GPIO_LP_GPP_F16 0x02050010
+#define GPIO_LP_GPP_F17 0x02050011
+#define GPIO_LP_GPP_F18 0x02050012
+#define GPIO_LP_GPP_F19 0x02050013
+#define GPIO_LP_GPP_F20 0x02050014
+#define GPIO_LP_GPP_F21 0x02050015
+#define GPIO_LP_GPP_F22 0x02050016
+#define GPIO_LP_GPP_F23 0x02050017
+#define GPIO_LP_GPP_G0 0x02060000
+#define GPIO_LP_GPP_G1 0x02060001
+#define GPIO_LP_GPP_G2 0x02060002
+#define GPIO_LP_GPP_G3 0x02060003
+#define GPIO_LP_GPP_G4 0x02060004
+#define GPIO_LP_GPP_G5 0x02060005
+#define GPIO_LP_GPP_G6 0x02060006
+#define GPIO_LP_GPP_G7 0x02060007
+#define GPIO_LP_GPD0 0x02070000
+#define GPIO_LP_GPD1 0x02070001
+#define GPIO_LP_GPD2 0x02070002
+#define GPIO_LP_GPD3 0x02070003
+#define GPIO_LP_GPD4 0x02070004
+#define GPIO_LP_GPD5 0x02070005
+#define GPIO_LP_GPD6 0x02070006
+#define GPIO_LP_GPD7 0x02070007
+#define GPIO_LP_GPD8 0x02070008
+#define GPIO_LP_GPD9 0x02070009
+#define GPIO_LP_GPD10 0x0207000A
+#define GPIO_LP_GPD11 0x0207000B
+
+#define END_OF_GPIO_TABLE 0xFFFFFFFF
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-03 23:20:16 +0000