soc/intel/apollolake: Use common gpio for apollolake
No regression observed on a APL platform Change-Id: I0fcc22df5eaec014f3b89755415f051b05aa554a Signed-off-by: Hannah Williams <hannah.williams@intel.com> Reviewed-on: https://review.coreboot.org/19949 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Hannah Williams
Martin Roth
parent
5b2954e62d
commit
12bed18951
|
|
@ -57,6 +57,9 @@ config CPU_SPECIFIC_OPTIONS
|
||||||
select SOC_INTEL_COMMON_BLOCK
|
select SOC_INTEL_COMMON_BLOCK
|
||||||
select SOC_INTEL_COMMON_BLOCK_CPU
|
select SOC_INTEL_COMMON_BLOCK_CPU
|
||||||
select SOC_INTEL_COMMON_BLOCK_FAST_SPI
|
select SOC_INTEL_COMMON_BLOCK_FAST_SPI
|
||||||
|
select SOC_INTEL_COMMON_BLOCK_GPIO
|
||||||
|
select SOC_INTEL_COMMON_BLOCK_GPIO_ITSS_POL_CFG
|
||||||
|
select SOC_INTEL_COMMON_BLOCK_GPIO_IOSTANDBY
|
||||||
select SOC_INTEL_COMMON_BLOCK_ITSS
|
select SOC_INTEL_COMMON_BLOCK_ITSS
|
||||||
select SOC_INTEL_COMMON_BLOCK_I2C
|
select SOC_INTEL_COMMON_BLOCK_I2C
|
||||||
select SOC_INTEL_COMMON_BLOCK_LPSS
|
select SOC_INTEL_COMMON_BLOCK_LPSS
|
||||||
|
|
|
||||||
|
|
@ -11,7 +11,7 @@ subdirs-y += ../../../cpu/x86/cache
|
||||||
bootblock-y += bootblock/bootblock.c
|
bootblock-y += bootblock/bootblock.c
|
||||||
bootblock-y += bootblock/bootblock.c
|
bootblock-y += bootblock/bootblock.c
|
||||||
bootblock-y += car.c
|
bootblock-y += car.c
|
||||||
bootblock-y += gpio.c
|
bootblock-y += gpio_apl.c
|
||||||
bootblock-y += heci.c
|
bootblock-y += heci.c
|
||||||
bootblock-y += i2c.c
|
bootblock-y += i2c.c
|
||||||
bootblock-y += lpc_lib.c
|
bootblock-y += lpc_lib.c
|
||||||
|
|
@ -23,7 +23,7 @@ bootblock-$(CONFIG_FSP_CAR) += bootblock/cache_as_ram_fsp.S
|
||||||
|
|
||||||
romstage-y += car.c
|
romstage-y += car.c
|
||||||
romstage-$(CONFIG_PLATFORM_USES_FSP2_0) += romstage.c
|
romstage-$(CONFIG_PLATFORM_USES_FSP2_0) += romstage.c
|
||||||
romstage-y += gpio.c
|
romstage-y += gpio_apl.c
|
||||||
romstage-y += heci.c
|
romstage-y += heci.c
|
||||||
romstage-y += i2c.c
|
romstage-y += i2c.c
|
||||||
romstage-$(CONFIG_SOC_UART_DEBUG) += uart_early.c
|
romstage-$(CONFIG_SOC_UART_DEBUG) += uart_early.c
|
||||||
|
|
@ -37,7 +37,7 @@ romstage-y += spi.c
|
||||||
|
|
||||||
smm-y += mmap_boot.c
|
smm-y += mmap_boot.c
|
||||||
smm-y += pmutil.c
|
smm-y += pmutil.c
|
||||||
smm-y += gpio.c
|
smm-y += gpio_apl.c
|
||||||
smm-y += smihandler.c
|
smm-y += smihandler.c
|
||||||
smm-y += spi.c
|
smm-y += spi.c
|
||||||
smm-y += uart_early.c
|
smm-y += uart_early.c
|
||||||
|
|
@ -48,7 +48,7 @@ ramstage-y += chip.c
|
||||||
ramstage-y += cse.c
|
ramstage-y += cse.c
|
||||||
ramstage-y += elog.c
|
ramstage-y += elog.c
|
||||||
ramstage-y += dsp.c
|
ramstage-y += dsp.c
|
||||||
ramstage-y += gpio.c
|
ramstage-y += gpio_apl.c
|
||||||
ramstage-y += graphics.c
|
ramstage-y += graphics.c
|
||||||
ramstage-y += heci.c
|
ramstage-y += heci.c
|
||||||
ramstage-y += i2c.c
|
ramstage-y += i2c.c
|
||||||
|
|
|
||||||
|
|
@ -14,7 +14,8 @@
|
||||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
* GNU General Public License for more details.
|
* GNU General Public License for more details.
|
||||||
*/
|
*/
|
||||||
#include <soc/gpio_defs.h>
|
#include <soc/gpio.h>
|
||||||
|
#include <intelblocks/pcr.h>
|
||||||
#include <soc/pcr_ids.h>
|
#include <soc/pcr_ids.h>
|
||||||
#include "gpiolib.asl"
|
#include "gpiolib.asl"
|
||||||
|
|
||||||
|
|
@ -23,9 +24,9 @@ scope (\_SB) {
|
||||||
Device (GPO0)
|
Device (GPO0)
|
||||||
{
|
{
|
||||||
Name (_ADR, 0)
|
Name (_ADR, 0)
|
||||||
Name (_HID, "INT3452")
|
Name (_HID, GPIO_COMM_NAME)
|
||||||
Name (_CID, "INT3452")
|
Name (_CID, GPIO_COMM_NAME)
|
||||||
Name (_DDN, "General Purpose Input/Output (GPIO) Controller - North" )
|
Name (_DDN, GPIO_COMM_0_DESC)
|
||||||
Name (_UID, 1)
|
Name (_UID, 1)
|
||||||
|
|
||||||
Name (RBUF, ResourceTemplate ()
|
Name (RBUF, ResourceTemplate ()
|
||||||
|
|
@ -40,7 +41,7 @@ scope (\_SB) {
|
||||||
Method (_CRS, 0x0, NotSerialized)
|
Method (_CRS, 0x0, NotSerialized)
|
||||||
{
|
{
|
||||||
CreateDwordField (^RBUF, ^RMEM._BAS, RBAS)
|
CreateDwordField (^RBUF, ^RMEM._BAS, RBAS)
|
||||||
ShiftLeft (PID_GPIO_N, PCR_PORTID_SHIFT, Local0)
|
ShiftLeft (GPIO_COMM0_PID, PCR_PORTID_SHIFT, Local0)
|
||||||
Or (CONFIG_PCR_BASE_ADDRESS, Local0, RBAS)
|
Or (CONFIG_PCR_BASE_ADDRESS, Local0, RBAS)
|
||||||
Return (^RBUF)
|
Return (^RBUF)
|
||||||
}
|
}
|
||||||
|
|
@ -54,9 +55,9 @@ scope (\_SB) {
|
||||||
Device (GPO1)
|
Device (GPO1)
|
||||||
{
|
{
|
||||||
Name (_ADR, 0)
|
Name (_ADR, 0)
|
||||||
Name (_HID, "INT3452")
|
Name (_HID, GPIO_COMM_NAME)
|
||||||
Name (_CID, "INT3452")
|
Name (_CID, GPIO_COMM_NAME)
|
||||||
Name (_DDN, "General Purpose Input/Output (GPIO) Controller - Northwest" )
|
Name (_DDN, GPIO_COMM_1_DESC)
|
||||||
Name (_UID, 2)
|
Name (_UID, 2)
|
||||||
|
|
||||||
Name (RBUF, ResourceTemplate ()
|
Name (RBUF, ResourceTemplate ()
|
||||||
|
|
@ -71,7 +72,7 @@ scope (\_SB) {
|
||||||
Method (_CRS, 0x0, NotSerialized)
|
Method (_CRS, 0x0, NotSerialized)
|
||||||
{
|
{
|
||||||
CreateDwordField (^RBUF, ^RMEM._BAS, RBAS)
|
CreateDwordField (^RBUF, ^RMEM._BAS, RBAS)
|
||||||
ShiftLeft (PID_GPIO_NW, PCR_PORTID_SHIFT, Local0)
|
ShiftLeft (GPIO_COMM1_PID, PCR_PORTID_SHIFT, Local0)
|
||||||
Or (CONFIG_PCR_BASE_ADDRESS, Local0, RBAS)
|
Or (CONFIG_PCR_BASE_ADDRESS, Local0, RBAS)
|
||||||
Return (^RBUF)
|
Return (^RBUF)
|
||||||
}
|
}
|
||||||
|
|
@ -85,9 +86,9 @@ scope (\_SB) {
|
||||||
Device (GPO2)
|
Device (GPO2)
|
||||||
{
|
{
|
||||||
Name (_ADR, 0)
|
Name (_ADR, 0)
|
||||||
Name (_HID, "INT3452")
|
Name (_HID, GPIO_COMM_NAME)
|
||||||
Name (_CID, "INT3452")
|
Name (_CID, GPIO_COMM_NAME)
|
||||||
Name (_DDN, "General Purpose Input/Output (GPIO) Controller - West" )
|
Name (_DDN, GPIO_COMM_2_DESC)
|
||||||
Name (_UID, 3)
|
Name (_UID, 3)
|
||||||
|
|
||||||
Name (RBUF, ResourceTemplate ()
|
Name (RBUF, ResourceTemplate ()
|
||||||
|
|
@ -102,7 +103,7 @@ scope (\_SB) {
|
||||||
Method (_CRS, 0x0, NotSerialized)
|
Method (_CRS, 0x0, NotSerialized)
|
||||||
{
|
{
|
||||||
CreateDwordField (^RBUF, ^RMEM._BAS, RBAS)
|
CreateDwordField (^RBUF, ^RMEM._BAS, RBAS)
|
||||||
ShiftLeft (PID_GPIO_W, PCR_PORTID_SHIFT, Local0)
|
ShiftLeft (GPIO_COMM2_PID, PCR_PORTID_SHIFT, Local0)
|
||||||
Or (CONFIG_PCR_BASE_ADDRESS, Local0, RBAS)
|
Or (CONFIG_PCR_BASE_ADDRESS, Local0, RBAS)
|
||||||
Return (^RBUF)
|
Return (^RBUF)
|
||||||
}
|
}
|
||||||
|
|
@ -116,9 +117,9 @@ scope (\_SB) {
|
||||||
Device (GPO3)
|
Device (GPO3)
|
||||||
{
|
{
|
||||||
Name (_ADR, 0)
|
Name (_ADR, 0)
|
||||||
Name (_HID, "INT3452")
|
Name (_HID, GPIO_COMM_NAME)
|
||||||
Name (_CID, "INT3452")
|
Name (_CID, GPIO_COMM_NAME)
|
||||||
Name (_DDN, "General Purpose Input/Output (GPIO) Controller - Southwest" )
|
Name (_DDN, GPIO_COMM_3_DESC)
|
||||||
Name (_UID, 4)
|
Name (_UID, 4)
|
||||||
|
|
||||||
Name (RBUF, ResourceTemplate ()
|
Name (RBUF, ResourceTemplate ()
|
||||||
|
|
@ -133,7 +134,7 @@ scope (\_SB) {
|
||||||
Method (_CRS, 0x0, NotSerialized)
|
Method (_CRS, 0x0, NotSerialized)
|
||||||
{
|
{
|
||||||
CreateDwordField (^RBUF, ^RMEM._BAS, RBAS)
|
CreateDwordField (^RBUF, ^RMEM._BAS, RBAS)
|
||||||
ShiftLeft (PID_GPIO_SW, PCR_PORTID_SHIFT, Local0)
|
ShiftLeft (GPIO_COMM3_PID, PCR_PORTID_SHIFT, Local0)
|
||||||
Or (CONFIG_PCR_BASE_ADDRESS, Local0, RBAS)
|
Or (CONFIG_PCR_BASE_ADDRESS, Local0, RBAS)
|
||||||
Return (^RBUF)
|
Return (^RBUF)
|
||||||
}
|
}
|
||||||
|
|
|
||||||
|
|
@ -81,7 +81,7 @@ Scope (\_SB)
|
||||||
Method (CHSA, 0x1, Serialized)
|
Method (CHSA, 0x1, Serialized)
|
||||||
{
|
{
|
||||||
/* Arg0 - GPIO pad offset relative to the community */
|
/* Arg0 - GPIO pad offset relative to the community */
|
||||||
Add (HOSTSW_OWN_REG_BASE, Multiply (Divide (Arg0, 32), 4), Local1)
|
Add (HOSTSW_OWN_REG_0, Multiply (Divide (Arg0, 32), 4), Local1)
|
||||||
Return (Local1)
|
Return (Local1)
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
|
||||||
|
|
@ -19,7 +19,6 @@
|
||||||
#define _SOC_APOLLOLAKE_CHIP_H_
|
#define _SOC_APOLLOLAKE_CHIP_H_
|
||||||
|
|
||||||
#include <soc/gpe.h>
|
#include <soc/gpe.h>
|
||||||
#include <soc/gpio_defs.h>
|
|
||||||
#include <soc/gpio.h>
|
#include <soc/gpio.h>
|
||||||
#include <intelblocks/lpss_i2c.h>
|
#include <intelblocks/lpss_i2c.h>
|
||||||
#include <device/i2c.h>
|
#include <device/i2c.h>
|
||||||
|
|
|
||||||
|
|
@ -1,421 +0,0 @@
|
||||||
/*
|
|
||||||
* This file is part of the coreboot project.
|
|
||||||
*
|
|
||||||
* Copyright (C) 2015 Intel Corp.
|
|
||||||
* (Written by Alexandru Gagniuc <alexandrux.gagniuc@intel.com> for Intel Corp.)
|
|
||||||
*
|
|
||||||
* 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; either version 2 of the License, or
|
|
||||||
* (at your option) any later version.
|
|
||||||
*
|
|
||||||
* 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.
|
|
||||||
*/
|
|
||||||
|
|
||||||
#include <assert.h>
|
|
||||||
#include <gpio.h>
|
|
||||||
#include <intelblocks/itss.h>
|
|
||||||
#include <intelblocks/pcr.h>
|
|
||||||
#include <soc/gpio.h>
|
|
||||||
#include <soc/pcr_ids.h>
|
|
||||||
#include <soc/pm.h>
|
|
||||||
|
|
||||||
/* This list must be in order, from highest pad numbers, to lowest pad numbers*/
|
|
||||||
static const struct pad_community {
|
|
||||||
uint16_t first_pad;
|
|
||||||
uint8_t port;
|
|
||||||
uint8_t num_gpi_regs;
|
|
||||||
uint8_t gpi_offset;
|
|
||||||
const char *grp_name;
|
|
||||||
} gpio_communities[] = {
|
|
||||||
{
|
|
||||||
.port = PID_GPIO_SW,
|
|
||||||
.first_pad = SW_OFFSET,
|
|
||||||
.num_gpi_regs = NUM_SW_GPI_REGS,
|
|
||||||
.gpi_offset = 0,
|
|
||||||
.grp_name = "GPIO_GPE_SW",
|
|
||||||
}, {
|
|
||||||
.port = PID_GPIO_W,
|
|
||||||
.first_pad = W_OFFSET,
|
|
||||||
.num_gpi_regs = NUM_W_GPI_REGS,
|
|
||||||
.gpi_offset = NUM_SW_GPI_REGS,
|
|
||||||
.grp_name = "GPIO_GPE_W",
|
|
||||||
}, {
|
|
||||||
.port = PID_GPIO_NW,
|
|
||||||
.first_pad = NW_OFFSET,
|
|
||||||
.num_gpi_regs = NUM_NW_GPI_REGS,
|
|
||||||
.gpi_offset = NUM_W_GPI_REGS + NUM_SW_GPI_REGS,
|
|
||||||
.grp_name = "GPIO_GPE_NW",
|
|
||||||
}, {
|
|
||||||
.port = PID_GPIO_N,
|
|
||||||
.first_pad = N_OFFSET,
|
|
||||||
.num_gpi_regs = NUM_N_GPI_REGS,
|
|
||||||
.gpi_offset = NUM_NW_GPI_REGS + NUM_W_GPI_REGS
|
|
||||||
+ NUM_SW_GPI_REGS,
|
|
||||||
.grp_name = "GPIO_GPE_N",
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
static const struct pad_community *gpio_get_community(uint16_t pad)
|
|
||||||
{
|
|
||||||
const struct pad_community *map = gpio_communities;
|
|
||||||
|
|
||||||
assert(pad < TOTAL_PADS);
|
|
||||||
|
|
||||||
while (map->first_pad > pad)
|
|
||||||
map++;
|
|
||||||
|
|
||||||
return map;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void gpio_configure_itss(const struct pad_config *cfg,
|
|
||||||
uint16_t port, uint16_t pad_cfg_offset)
|
|
||||||
{
|
|
||||||
/* No ITSS configuration in SMM. */
|
|
||||||
if (ENV_SMM)
|
|
||||||
return;
|
|
||||||
|
|
||||||
int irq;
|
|
||||||
|
|
||||||
/* Set up ITSS polarity if pad is routed to APIC.
|
|
||||||
*
|
|
||||||
* The ITSS takes only active high interrupt signals. Therefore,
|
|
||||||
* if the pad configuration indicates an inversion assume the
|
|
||||||
* intent is for the ITSS polarity. Before forwarding on the
|
|
||||||
* request to the APIC there's an inversion setting for how the
|
|
||||||
* signal is forwarded to the APIC. Honor the inversion setting
|
|
||||||
* in the GPIO pad configuration so that a hardware active low
|
|
||||||
* signal looks that way to the APIC (double inversion).
|
|
||||||
*/
|
|
||||||
if (!(cfg->config0 & PAD_CFG0_ROUTE_IOAPIC))
|
|
||||||
return;
|
|
||||||
|
|
||||||
irq = pcr_read32(port, pad_cfg_offset + sizeof(uint32_t));
|
|
||||||
irq &= PAD_CFG1_IRQ_MASK;
|
|
||||||
if (!irq) {
|
|
||||||
printk(BIOS_ERR, "GPIO %u doesn't support APIC routing,\n",
|
|
||||||
cfg->pad);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
itss_set_irq_polarity(irq, !!(cfg->config0 & PAD_CFG0_RX_POL_INVERT));
|
|
||||||
}
|
|
||||||
|
|
||||||
static void gpio_configure_owner(const struct pad_config *cfg,
|
|
||||||
uint16_t port, int pin)
|
|
||||||
{
|
|
||||||
uint16_t hostsw_reg;
|
|
||||||
|
|
||||||
/* The 4th bit in pad_config 1 (RO) is used to indicate if the pad
|
|
||||||
* needs GPIO driver ownership.
|
|
||||||
*/
|
|
||||||
if (!(cfg->config1 & PAD_CFG1_GPIO_DRIVER))
|
|
||||||
return;
|
|
||||||
|
|
||||||
/* Based on the gpio pin number configure the corresponding bit in
|
|
||||||
* HOSTSW_OWN register. Value of 0x1 indicates GPIO Driver onwership.
|
|
||||||
*/
|
|
||||||
hostsw_reg = HOSTSW_OWN_REG_BASE + ((pin / 32) * sizeof(uint32_t));
|
|
||||||
pcr_or32(port, hostsw_reg, (1 << (pin % 32)));
|
|
||||||
}
|
|
||||||
|
|
||||||
static void gpi_enable_smi(const struct pad_config *cfg, uint16_t port, int pin)
|
|
||||||
{
|
|
||||||
uint32_t value;
|
|
||||||
uint16_t sts_reg;
|
|
||||||
uint16_t en_reg;
|
|
||||||
int group;
|
|
||||||
|
|
||||||
if (((cfg->config0) & PAD_CFG0_ROUTE_SMI) != PAD_CFG0_ROUTE_SMI)
|
|
||||||
return;
|
|
||||||
|
|
||||||
group = pin / GPIO_MAX_NUM_PER_GROUP;
|
|
||||||
|
|
||||||
sts_reg = GPI_SMI_STS_OFFSET(group);
|
|
||||||
value = pcr_read32(port, sts_reg);
|
|
||||||
/* Write back 1 to reset the sts bits */
|
|
||||||
pcr_write32(port, sts_reg, value);
|
|
||||||
|
|
||||||
/* Set enable bits */
|
|
||||||
en_reg = GPI_SMI_EN_OFFSET(group);
|
|
||||||
pcr_or32(port, en_reg, (1 << (pin % GPIO_MAX_NUM_PER_GROUP)));
|
|
||||||
}
|
|
||||||
|
|
||||||
void gpio_configure_pad(const struct pad_config *cfg)
|
|
||||||
{
|
|
||||||
uint32_t dw1;
|
|
||||||
const struct pad_community *comm = gpio_get_community(cfg->pad);
|
|
||||||
uint16_t config_offset = PAD_CFG_OFFSET(cfg->pad - comm->first_pad);
|
|
||||||
|
|
||||||
/* Iostandby bits are tentatively stored in [3:0] bits (RO) of config1.
|
|
||||||
* dw1 is used to extract the bits of Iostandby.
|
|
||||||
* This is done to preserve config1 size as unit16 in gpio.h.
|
|
||||||
*/
|
|
||||||
dw1 = cfg->config1 & ~PAD_CFG1_IOSSTATE_MASK;
|
|
||||||
dw1 |= (cfg->config1 & PAD_CFG1_IOSSTATE_MASK)
|
|
||||||
<< PAD_CFG1_IOSSTATE_SHIFT;
|
|
||||||
|
|
||||||
pcr_write32(comm->port, config_offset, cfg->config0);
|
|
||||||
pcr_write32(comm->port, config_offset + sizeof(uint32_t), dw1);
|
|
||||||
|
|
||||||
gpio_configure_itss(cfg, comm->port, config_offset);
|
|
||||||
gpio_configure_owner(cfg, comm->port, cfg->pad - comm->first_pad);
|
|
||||||
|
|
||||||
gpi_enable_smi(cfg, comm->port, cfg->pad - comm->first_pad);
|
|
||||||
}
|
|
||||||
|
|
||||||
void gpio_configure_pads(const struct pad_config *cfg, size_t num_pads)
|
|
||||||
{
|
|
||||||
uint32_t i;
|
|
||||||
|
|
||||||
for (i = 0; i < num_pads; i++)
|
|
||||||
gpio_configure_pad(cfg + i);
|
|
||||||
}
|
|
||||||
|
|
||||||
void *gpio_dwx_address(const uint16_t pad)
|
|
||||||
{
|
|
||||||
/* Calculate Address of DW0 register for given GPIO
|
|
||||||
* pad - GPIO number
|
|
||||||
* returns - address of GPIO
|
|
||||||
*/
|
|
||||||
const struct pad_community *comm = gpio_get_community(pad);
|
|
||||||
return pcr_reg_address(comm->port,
|
|
||||||
PAD_CFG_OFFSET(pad - comm->first_pad));
|
|
||||||
}
|
|
||||||
|
|
||||||
uint8_t gpio_get_pad_portid(const uint16_t pad)
|
|
||||||
{
|
|
||||||
/* Get the port id of given pad
|
|
||||||
* pad - GPIO number
|
|
||||||
* returns - given pad port id
|
|
||||||
*/
|
|
||||||
const struct pad_community *comm = gpio_get_community(pad);
|
|
||||||
return comm->port;
|
|
||||||
}
|
|
||||||
|
|
||||||
void gpio_input_pulldown(gpio_t gpio)
|
|
||||||
{
|
|
||||||
struct pad_config cfg = PAD_CFG_GPI(gpio, DN_20K, DEEP);
|
|
||||||
gpio_configure_pad(&cfg);
|
|
||||||
}
|
|
||||||
|
|
||||||
void gpio_input_pullup(gpio_t gpio)
|
|
||||||
{
|
|
||||||
struct pad_config cfg = PAD_CFG_GPI(gpio, UP_20K, 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 reg;
|
|
||||||
const struct pad_community *comm = gpio_get_community(gpio_num);
|
|
||||||
uint16_t config_offset = PAD_CFG_OFFSET(gpio_num - comm->first_pad);
|
|
||||||
|
|
||||||
reg = pcr_read32(comm->port, config_offset);
|
|
||||||
|
|
||||||
return !!(reg & PAD_CFG0_RX_STATE);
|
|
||||||
}
|
|
||||||
|
|
||||||
void gpio_set(gpio_t gpio_num, int value)
|
|
||||||
{
|
|
||||||
const struct pad_community *comm = gpio_get_community(gpio_num);
|
|
||||||
uint16_t config_offset = PAD_CFG_OFFSET(gpio_num - comm->first_pad);
|
|
||||||
|
|
||||||
pcr_rmw32(comm->port, config_offset,
|
|
||||||
~PAD_CFG0_TX_STATE, (!!value & PAD_CFG0_TX_STATE));
|
|
||||||
}
|
|
||||||
|
|
||||||
const char *gpio_acpi_path(gpio_t gpio_num)
|
|
||||||
{
|
|
||||||
const struct pad_community *comm = gpio_get_community(gpio_num);
|
|
||||||
|
|
||||||
switch (comm->port) {
|
|
||||||
case PID_GPIO_N:
|
|
||||||
return "\\_SB.GPO0";
|
|
||||||
case PID_GPIO_NW:
|
|
||||||
return "\\_SB.GPO1";
|
|
||||||
case PID_GPIO_W:
|
|
||||||
return "\\_SB.GPO2";
|
|
||||||
case PID_GPIO_SW:
|
|
||||||
return "\\_SB.GPO3";
|
|
||||||
}
|
|
||||||
|
|
||||||
return NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
uint16_t gpio_acpi_pin(gpio_t gpio_num)
|
|
||||||
{
|
|
||||||
const struct pad_community *comm = gpio_get_community(gpio_num);
|
|
||||||
|
|
||||||
switch (comm->port) {
|
|
||||||
case PID_GPIO_N:
|
|
||||||
return PAD_N(gpio_num);
|
|
||||||
case PID_GPIO_NW:
|
|
||||||
return PAD_NW(gpio_num);
|
|
||||||
case PID_GPIO_W:
|
|
||||||
return PAD_W(gpio_num);
|
|
||||||
case PID_GPIO_SW:
|
|
||||||
return PAD_SW(gpio_num);
|
|
||||||
}
|
|
||||||
|
|
||||||
return gpio_num;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void print_gpi_status(const struct gpi_status *sts)
|
|
||||||
{
|
|
||||||
int i;
|
|
||||||
int group;
|
|
||||||
int index = 0;
|
|
||||||
int bit_set;
|
|
||||||
int num_groups;
|
|
||||||
int abs_bit;
|
|
||||||
const struct pad_community *comm;
|
|
||||||
|
|
||||||
for (i = 0; i < ARRAY_SIZE(gpio_communities); i++) {
|
|
||||||
comm = &gpio_communities[i];
|
|
||||||
num_groups = comm->num_gpi_regs;
|
|
||||||
index = comm->gpi_offset;
|
|
||||||
for (group = 0; group < num_groups; group++, index++) {
|
|
||||||
for (bit_set = 31; bit_set >= 0; bit_set--) {
|
|
||||||
if (!(sts->grp[index] & (1 << bit_set)))
|
|
||||||
continue;
|
|
||||||
|
|
||||||
abs_bit = bit_set;
|
|
||||||
abs_bit += group * GPIO_MAX_NUM_PER_GROUP;
|
|
||||||
printk(BIOS_DEBUG, "%s %d\n", comm->grp_name,
|
|
||||||
abs_bit);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
void gpi_clear_get_smi_status(struct gpi_status *sts)
|
|
||||||
{
|
|
||||||
int i;
|
|
||||||
int group;
|
|
||||||
int index = 0;
|
|
||||||
uint32_t sts_value;
|
|
||||||
uint32_t en_value;
|
|
||||||
int num_groups;
|
|
||||||
const struct pad_community *comm;
|
|
||||||
|
|
||||||
for (i = 0; i < ARRAY_SIZE(gpio_communities); i++) {
|
|
||||||
comm = &gpio_communities[i];
|
|
||||||
num_groups = comm->num_gpi_regs;
|
|
||||||
index = comm->gpi_offset;
|
|
||||||
for (group = 0; group < num_groups; group++, index++) {
|
|
||||||
sts_value = pcr_read32(gpio_communities[i].port,
|
|
||||||
GPI_SMI_STS_OFFSET(group));
|
|
||||||
en_value = pcr_read32(gpio_communities[i].port,
|
|
||||||
GPI_SMI_EN_OFFSET(group));
|
|
||||||
sts->grp[index] = sts_value & en_value;
|
|
||||||
/* Clear the set status bits. */
|
|
||||||
pcr_write32(gpio_communities[i].port,
|
|
||||||
GPI_SMI_STS_OFFSET(group), sts->grp[index]);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if (IS_ENABLED(CONFIG_DEBUG_SMI))
|
|
||||||
print_gpi_status(sts);
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
int gpi_status_get(const struct gpi_status *sts, gpio_t gpi)
|
|
||||||
{
|
|
||||||
uint8_t sts_index;
|
|
||||||
const struct pad_community *comm = gpio_get_community(gpi);
|
|
||||||
|
|
||||||
/* Check if valid gpi */
|
|
||||||
if (comm == NULL)
|
|
||||||
return 0;
|
|
||||||
|
|
||||||
sts_index = comm->gpi_offset + ((gpi - comm->first_pad) /
|
|
||||||
GPIO_MAX_NUM_PER_GROUP);
|
|
||||||
|
|
||||||
return !!(sts->grp[sts_index] & (1 << (gpi % GPIO_MAX_NUM_PER_GROUP)));
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Helper function to map PMC register groups to tier1 sci groups */
|
|
||||||
static int pmc_gpe_route_to_gpio(int route)
|
|
||||||
{
|
|
||||||
switch (route) {
|
|
||||||
case PMC_GPE_SW_31_0:
|
|
||||||
return GPIO_GPE_SW_31_0;
|
|
||||||
case PMC_GPE_SW_63_32:
|
|
||||||
return GPIO_GPE_SW_63_32;
|
|
||||||
case PMC_GPE_NW_31_0:
|
|
||||||
return GPIO_GPE_NW_31_0;
|
|
||||||
case PMC_GPE_NW_63_32:
|
|
||||||
return GPIO_GPE_NW_63_32;
|
|
||||||
case PMC_GPE_NW_95_64:
|
|
||||||
return GPIO_GPE_NW_95_64;
|
|
||||||
case PMC_GPE_N_31_0:
|
|
||||||
return GPIO_GPE_N_31_0;
|
|
||||||
case PMC_GPE_N_63_32:
|
|
||||||
return GPIO_GPE_N_63_32;
|
|
||||||
case PMC_GPE_W_31_0:
|
|
||||||
return GPIO_GPE_W_31_0;
|
|
||||||
default:
|
|
||||||
return -1;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
void gpio_route_gpe(uint8_t gpe0b, uint8_t gpe0c, uint8_t gpe0d)
|
|
||||||
{
|
|
||||||
int i;
|
|
||||||
uint32_t misccfg_mask;
|
|
||||||
uint32_t misccfg_value;
|
|
||||||
int ret;
|
|
||||||
|
|
||||||
/* Get the group here for community specific MISCCFG register.
|
|
||||||
* If any of these returns -1 then there is some error in devicetree
|
|
||||||
* where the group is probably hardcoded and does not comply with the
|
|
||||||
* PMC group defines. So we return from here and MISCFG is set to
|
|
||||||
* default.
|
|
||||||
*/
|
|
||||||
ret = pmc_gpe_route_to_gpio(gpe0b);
|
|
||||||
if (ret == -1)
|
|
||||||
return;
|
|
||||||
gpe0b = ret;
|
|
||||||
|
|
||||||
ret = pmc_gpe_route_to_gpio(gpe0c);
|
|
||||||
if (ret == -1)
|
|
||||||
return;
|
|
||||||
gpe0c = ret;
|
|
||||||
|
|
||||||
ret = pmc_gpe_route_to_gpio(gpe0d);
|
|
||||||
if (ret == -1)
|
|
||||||
return;
|
|
||||||
gpe0d = ret;
|
|
||||||
|
|
||||||
misccfg_value = gpe0b << MISCCFG_GPE0_DW0_SHIFT;
|
|
||||||
misccfg_value |= gpe0c << MISCCFG_GPE0_DW1_SHIFT;
|
|
||||||
misccfg_value |= gpe0d << MISCCFG_GPE0_DW2_SHIFT;
|
|
||||||
|
|
||||||
/* Program GPIO_MISCCFG */
|
|
||||||
misccfg_mask = ~(MISCCFG_GPE0_DW2_MASK |
|
|
||||||
MISCCFG_GPE0_DW1_MASK |
|
|
||||||
MISCCFG_GPE0_DW0_MASK);
|
|
||||||
|
|
||||||
for (i = 0; i < ARRAY_SIZE(gpio_communities); i++) {
|
|
||||||
const struct pad_community *comm = &gpio_communities[i];
|
|
||||||
|
|
||||||
pcr_rmw32(comm->port, GPIO_MISCCFG,
|
|
||||||
misccfg_mask, misccfg_value);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
@ -0,0 +1,115 @@
|
||||||
|
/*
|
||||||
|
* This file is part of the coreboot project.
|
||||||
|
*
|
||||||
|
* Copyright (C) 2015 - 2017 Intel Corp.
|
||||||
|
* (Written by Alexandru Gagniuc <alexandrux.gagniuc@intel.com> for Intel Corp.)
|
||||||
|
*
|
||||||
|
* 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; either version 2 of the License, or
|
||||||
|
* (at your option) any later version.
|
||||||
|
*
|
||||||
|
* 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.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <assert.h>
|
||||||
|
#include <intelblocks/gpio.h>
|
||||||
|
#include <intelblocks/pcr.h>
|
||||||
|
#include <soc/pcr_ids.h>
|
||||||
|
#include <soc/pm.h>
|
||||||
|
|
||||||
|
static const struct reset_mapping rst_map[] = {
|
||||||
|
{ PAD_CFG0_RESET_PWROK, PAD_CFG0_RESET_PWROK },
|
||||||
|
{ PAD_CFG0_RESET_DEEP, PAD_CFG0_RESET_DEEP },
|
||||||
|
{ PAD_CFG0_RESET_PLTRST, PAD_CFG0_RESET_PLTRST },
|
||||||
|
};
|
||||||
|
|
||||||
|
static const struct pad_community apl_gpio_communities[] = {
|
||||||
|
{
|
||||||
|
.port = PID_GPIO_SW,
|
||||||
|
.first_pad = SW_OFFSET,
|
||||||
|
.last_pad = LPC_FRAMEB,
|
||||||
|
.num_gpi_regs = NUM_SW_GPI_REGS,
|
||||||
|
.gpi_status_offset = 0,
|
||||||
|
.pad_cfg_base = PAD_CFG_BASE,
|
||||||
|
.host_own_reg_0 = HOSTSW_OWN_REG_0,
|
||||||
|
.gpi_smi_sts_reg_0 = GPI_SMI_STS_0,
|
||||||
|
.gpi_smi_en_reg_0 = GPI_SMI_EN_0,
|
||||||
|
.max_pads_per_group = GPIO_MAX_NUM_PER_GROUP,
|
||||||
|
.name = "GPIO_GPE_SW",
|
||||||
|
.acpi_path = "\\_SB.GPO3",
|
||||||
|
.reset_map = rst_map,
|
||||||
|
.num_reset_vals = ARRAY_SIZE(rst_map),
|
||||||
|
}, {
|
||||||
|
.port = PID_GPIO_W,
|
||||||
|
.first_pad = W_OFFSET,
|
||||||
|
.last_pad = SUSPWRDNACK,
|
||||||
|
.num_gpi_regs = NUM_W_GPI_REGS,
|
||||||
|
.gpi_status_offset = NUM_SW_GPI_REGS,
|
||||||
|
.pad_cfg_base = PAD_CFG_BASE,
|
||||||
|
.host_own_reg_0 = HOSTSW_OWN_REG_0,
|
||||||
|
.gpi_smi_sts_reg_0 = GPI_SMI_STS_0,
|
||||||
|
.gpi_smi_en_reg_0 = GPI_SMI_EN_0,
|
||||||
|
.max_pads_per_group = GPIO_MAX_NUM_PER_GROUP,
|
||||||
|
.name = "GPIO_GPE_W",
|
||||||
|
.acpi_path = "\\_SB.GPO2",
|
||||||
|
.reset_map = rst_map,
|
||||||
|
.num_reset_vals = ARRAY_SIZE(rst_map),
|
||||||
|
}, {
|
||||||
|
.port = PID_GPIO_NW,
|
||||||
|
.first_pad = NW_OFFSET,
|
||||||
|
.last_pad = GPIO_123,
|
||||||
|
.num_gpi_regs = NUM_NW_GPI_REGS,
|
||||||
|
.gpi_status_offset = NUM_W_GPI_REGS + NUM_SW_GPI_REGS,
|
||||||
|
.pad_cfg_base = PAD_CFG_BASE,
|
||||||
|
.host_own_reg_0 = HOSTSW_OWN_REG_0,
|
||||||
|
.gpi_smi_sts_reg_0 = GPI_SMI_STS_0,
|
||||||
|
.gpi_smi_en_reg_0 = GPI_SMI_EN_0,
|
||||||
|
.max_pads_per_group = GPIO_MAX_NUM_PER_GROUP,
|
||||||
|
.name = "GPIO_GPE_NW",
|
||||||
|
.acpi_path = "\\_SB.GPO1",
|
||||||
|
.reset_map = rst_map,
|
||||||
|
.num_reset_vals = ARRAY_SIZE(rst_map),
|
||||||
|
}, {
|
||||||
|
.port = PID_GPIO_N,
|
||||||
|
.first_pad = N_OFFSET,
|
||||||
|
.last_pad = SVID0_CLK,
|
||||||
|
.num_gpi_regs = NUM_N_GPI_REGS,
|
||||||
|
.gpi_status_offset = NUM_NW_GPI_REGS + NUM_W_GPI_REGS
|
||||||
|
+ NUM_SW_GPI_REGS,
|
||||||
|
.pad_cfg_base = PAD_CFG_BASE,
|
||||||
|
.host_own_reg_0 = HOSTSW_OWN_REG_0,
|
||||||
|
.gpi_smi_sts_reg_0 = GPI_SMI_STS_0,
|
||||||
|
.gpi_smi_en_reg_0 = GPI_SMI_EN_0,
|
||||||
|
.max_pads_per_group = GPIO_MAX_NUM_PER_GROUP,
|
||||||
|
.name = "GPIO_GPE_N",
|
||||||
|
.acpi_path = "\\_SB.GPO0",
|
||||||
|
.reset_map = rst_map,
|
||||||
|
.num_reset_vals = ARRAY_SIZE(rst_map),
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
const struct pad_community *soc_gpio_get_community(size_t *num_communities)
|
||||||
|
{
|
||||||
|
*num_communities = ARRAY_SIZE(apl_gpio_communities);
|
||||||
|
return apl_gpio_communities;
|
||||||
|
}
|
||||||
|
|
||||||
|
const struct pmc_to_gpio_route *soc_pmc_gpio_routes(size_t *num)
|
||||||
|
{
|
||||||
|
static const struct pmc_to_gpio_route routes[] = {
|
||||||
|
{ PMC_GPE_SW_31_0, GPIO_GPE_SW_31_0 },
|
||||||
|
{ PMC_GPE_SW_63_32, GPIO_GPE_SW_63_32 },
|
||||||
|
{ PMC_GPE_NW_31_0, GPIO_GPE_NW_31_0 },
|
||||||
|
{ PMC_GPE_NW_63_32, GPIO_GPE_NW_63_32 },
|
||||||
|
{ PMC_GPE_NW_95_64, GPIO_GPE_NW_95_64 },
|
||||||
|
{ PMC_GPE_N_31_0, GPIO_GPE_N_31_0 },
|
||||||
|
{ PMC_GPE_N_63_32, GPIO_GPE_N_63_32 },
|
||||||
|
{ PMC_GPE_W_31_0, GPIO_GPE_W_31_0 },
|
||||||
|
};
|
||||||
|
*num = ARRAY_SIZE(routes);
|
||||||
|
return routes;
|
||||||
|
}
|
||||||
|
|
@ -1,8 +1,7 @@
|
||||||
/*
|
/*
|
||||||
* This file is part of the coreboot project.
|
* This file is part of the coreboot project.
|
||||||
*
|
*
|
||||||
* Copyright (C) 2015 Intel Corp.
|
* Copyright (C) 2017 Intel Corp.
|
||||||
* (Written by Alexandru Gagniuc <alexandrux.gagniuc@intel.com> for Intel Corp.)
|
|
||||||
*
|
*
|
||||||
* This program is free software; you can redistribute it and/or modify
|
* 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
|
* it under the terms of the GNU General Public License as published by
|
||||||
|
|
@ -15,170 +14,10 @@
|
||||||
* GNU General Public License for more details.
|
* GNU General Public License for more details.
|
||||||
*/
|
*/
|
||||||
|
|
||||||
#ifndef _SOC_APOLLOLAKE_GPIO_H_
|
#ifndef _SOC_APL_GPIO_H_
|
||||||
#define _SOC_APOLLOLAKE_GPIO_H_
|
#define _SOC_APL_GPIO_H_
|
||||||
|
|
||||||
#include <soc/gpio_defs.h>
|
#include <soc/gpio_apl.h>
|
||||||
/* __ACPI__ guard is needed to ignore below code in ACPI/ASL compilation */
|
#include <intelblocks/gpio.h> /* intelblocks/gpio.h depends on definitions in
|
||||||
#ifndef __ACPI__
|
soc/gpio_apl.h */
|
||||||
#include <types.h>
|
#endif
|
||||||
|
|
||||||
typedef uint32_t gpio_t;
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Structure to represent GPI status for GPE and SMI. Use helper
|
|
||||||
* functions for interrogating particular GPIs. Here the number of
|
|
||||||
* array elements is total number of groups that can be present in all
|
|
||||||
* the communities.
|
|
||||||
*/
|
|
||||||
struct gpi_status {
|
|
||||||
uint32_t grp[NUM_GPI_STATUS_REGS];
|
|
||||||
};
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Clear GPI SMI status and fill in the structure representing enabled
|
|
||||||
* and set status.
|
|
||||||
*/
|
|
||||||
void gpi_clear_get_smi_status(struct gpi_status *sts);
|
|
||||||
|
|
||||||
/* Return 1 if gpio is set in the gpi_status struct. Otherwise 0. */
|
|
||||||
int gpi_status_get(const struct gpi_status *sts, gpio_t gpi);
|
|
||||||
|
|
||||||
#define PAD_FUNC(value) PAD_CFG0_MODE_##value
|
|
||||||
#define PAD_RESET(value) PAD_CFG0_RESET_##value
|
|
||||||
#define PAD_PULL(value) PAD_CFG1_PULL_##value
|
|
||||||
#define PAD_IOSSTATE(value) PAD_CFG1_IOSSTATE_##value
|
|
||||||
#define PAD_IOSTERM(value) PAD_CFG1_IOSTERM_##value
|
|
||||||
#define PAD_IRQ_CFG(route, trig, inv) \
|
|
||||||
(PAD_CFG0_ROUTE_##route | \
|
|
||||||
PAD_CFG0_TRIG_##trig | \
|
|
||||||
(PAD_CFG0_RX_POL_##inv))
|
|
||||||
|
|
||||||
#define _PAD_CFG_STRUCT(__pad, __config0, __config1) \
|
|
||||||
{ \
|
|
||||||
.pad = __pad, \
|
|
||||||
.config0 = __config0, \
|
|
||||||
.config1 = __config1, \
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Native function configuration */
|
|
||||||
#define PAD_CFG_NF(pad, pull, rst, func) \
|
|
||||||
PAD_CFG_NF_IOSSTATE(pad, pull, rst, func, TxLASTRxE)
|
|
||||||
|
|
||||||
/* Native function configuration for standby state */
|
|
||||||
#define PAD_CFG_NF_IOSSTATE(pad, pull, rst, func, iosstate) \
|
|
||||||
PAD_CFG_NF_IOSSTATE_IOSTERM(pad,pull, rst, func, iosstate, SAME)
|
|
||||||
|
|
||||||
#define PAD_CFG_NF_IOSSTATE_IOSTERM(pad, pull, rst, func, iosstate, iosterm) \
|
|
||||||
_PAD_CFG_STRUCT(pad, PAD_RESET(rst) | PAD_FUNC(func), PAD_PULL(pull) | \
|
|
||||||
PAD_IOSSTATE(iosstate) | PAD_IOSTERM(iosterm))
|
|
||||||
|
|
||||||
/* General purpose output, no pullup/down. */
|
|
||||||
#define PAD_CFG_GPO(pad, val, rst) \
|
|
||||||
_PAD_CFG_STRUCT(pad, \
|
|
||||||
PAD_FUNC(GPIO) | PAD_RESET(rst) | PAD_CFG0_RX_DISABLE | !!val, \
|
|
||||||
PAD_PULL(NONE) | PAD_IOSSTATE(TxLASTRxE))
|
|
||||||
|
|
||||||
/* General purpose input */
|
|
||||||
#define PAD_CFG_GPI(pad, pull, rst) \
|
|
||||||
_PAD_CFG_STRUCT(pad, \
|
|
||||||
PAD_FUNC(GPIO) | PAD_RESET(rst) | PAD_CFG0_TX_DISABLE, \
|
|
||||||
PAD_PULL(pull) | PAD_IOSSTATE(TxLASTRxE))
|
|
||||||
|
|
||||||
/* General purpose input. The following macro sets the
|
|
||||||
* Host Software Pad Ownership to GPIO Driver mode.
|
|
||||||
*/
|
|
||||||
#define PAD_CFG_GPI_GPIO_DRIVER(pad, pull, rst) \
|
|
||||||
_PAD_CFG_STRUCT(pad, \
|
|
||||||
PAD_FUNC(GPIO) | PAD_RESET(rst) | PAD_CFG0_TX_DISABLE, \
|
|
||||||
PAD_PULL(pull) | PAD_CFG1_GPIO_DRIVER | PAD_IOSSTATE(TxLASTRxE))
|
|
||||||
|
|
||||||
/* No Connect configuration for unused pad.
|
|
||||||
* NC should be GPI with Term as PU20K, PD20K, NONE depending upon default Term
|
|
||||||
*/
|
|
||||||
#define PAD_NC(pad, pull) PAD_CFG_GPI(pad, pull, DEEP)
|
|
||||||
|
|
||||||
/* General purpose input, routed to APIC */
|
|
||||||
#define PAD_CFG_GPI_APIC(pad, pull, rst, trig, inv) \
|
|
||||||
_PAD_CFG_STRUCT(pad, \
|
|
||||||
PAD_FUNC(GPIO) | PAD_RESET(rst) | PAD_CFG0_TX_DISABLE | \
|
|
||||||
PAD_IRQ_CFG(IOAPIC, trig, inv), PAD_PULL(pull) | \
|
|
||||||
PAD_IOSSTATE(TxLASTRxE))
|
|
||||||
|
|
||||||
/*
|
|
||||||
* The following APIC macros assume the APIC will handle the filtering
|
|
||||||
* on its own end. One just needs to pass an active high message into the
|
|
||||||
* ITSS.
|
|
||||||
*/
|
|
||||||
#define PAD_CFG_GPI_APIC_LOW(pad, pull, rst) \
|
|
||||||
PAD_CFG_GPI_APIC(pad, pull, rst, LEVEL, INVERT)
|
|
||||||
|
|
||||||
#define PAD_CFG_GPI_APIC_HIGH(pad, pull, rst) \
|
|
||||||
PAD_CFG_GPI_APIC(pad, pull, rst, LEVEL, NONE)
|
|
||||||
|
|
||||||
/* General purpose input, routed to SMI */
|
|
||||||
#define PAD_CFG_GPI_SMI(pad, pull, rst, trig, inv) \
|
|
||||||
_PAD_CFG_STRUCT(pad, \
|
|
||||||
PAD_FUNC(GPIO) | PAD_RESET(rst) | PAD_CFG0_TX_DISABLE | \
|
|
||||||
PAD_IRQ_CFG(SMI, trig, inv), PAD_PULL(pull) | \
|
|
||||||
PAD_IOSSTATE(TxLASTRxE))
|
|
||||||
|
|
||||||
#define PAD_CFG_GPI_SMI_LOW(pad, pull, rst, trig) \
|
|
||||||
PAD_CFG_GPI_SMI(pad, pull, rst, trig, INVERT)
|
|
||||||
|
|
||||||
#define PAD_CFG_GPI_SMI_HIGH(pad, pull, rst, trig) \
|
|
||||||
PAD_CFG_GPI_SMI(pad, pull, rst, trig, NONE)
|
|
||||||
|
|
||||||
/* General purpose input, routed to SCI */
|
|
||||||
#define PAD_CFG_GPI_SCI(pad, pull, rst, trig, inv) \
|
|
||||||
_PAD_CFG_STRUCT(pad, \
|
|
||||||
PAD_FUNC(GPIO) | PAD_RESET(rst) | PAD_CFG0_TX_DISABLE | \
|
|
||||||
PAD_IRQ_CFG(SCI, trig, inv), PAD_PULL(pull) | \
|
|
||||||
PAD_IOSSTATE(TxLASTRxE))
|
|
||||||
|
|
||||||
#define PAD_CFG_GPI_SCI_LOW(pad, pull, rst, trig) \
|
|
||||||
PAD_CFG_GPI_SCI(pad, pull, rst, trig, INVERT)
|
|
||||||
|
|
||||||
#define PAD_CFG_GPI_SCI_HIGH(pad, pull, rst, trig) \
|
|
||||||
PAD_CFG_GPI_SCI(pad, pull, rst, trig, NONE)
|
|
||||||
|
|
||||||
/* General purpose input, routed to NMI */
|
|
||||||
#define PAD_CFG_GPI_NMI(pad, pull, rst, trig, inv) \
|
|
||||||
_PAD_CFG_STRUCT(pad, \
|
|
||||||
PAD_FUNC(GPIO) | PAD_RESET(rst) | PAD_CFG0_TX_DISABLE | \
|
|
||||||
PAD_IRQ_CFG(NMI, trig, inv), PAD_PULL(pull) | \
|
|
||||||
PAD_IOSSTATE(TxLASTRxE))
|
|
||||||
|
|
||||||
struct pad_config {
|
|
||||||
uint32_t config0;
|
|
||||||
uint16_t config1;
|
|
||||||
uint16_t pad;
|
|
||||||
};
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Configuration for raw pads. Some pads are designated as only special function
|
|
||||||
* pins, and don't have an associated GPIO number, so we need to expose the raw
|
|
||||||
* pad configuration functionality.
|
|
||||||
*/
|
|
||||||
void gpio_configure_pad(const struct pad_config *cfg);
|
|
||||||
void gpio_configure_pads(const struct pad_config *cfg, size_t num_pads);
|
|
||||||
|
|
||||||
/* Calculate GPIO DW0 address */
|
|
||||||
void *gpio_dwx_address(const uint16_t pad);
|
|
||||||
|
|
||||||
/* Get the port id of given pad */
|
|
||||||
uint8_t gpio_get_pad_portid(const uint16_t pad);
|
|
||||||
|
|
||||||
/*
|
|
||||||
* Set the GPIO groups for the GPE blocks. The values from PMC register GPE_CFG
|
|
||||||
* are passed which is then mapped to proper groups for MISCCFG. This basically
|
|
||||||
* sets the MISCCFG register bits:
|
|
||||||
* dw0 = gpe0_route[11:8]. This is ACPI GPE0b.
|
|
||||||
* dw1 = gpe0_route[15:12]. This is ACPI GPE0c.
|
|
||||||
* dw2 = gpe0_route[19:16]. This is ACPI GPE0d.
|
|
||||||
*/
|
|
||||||
void gpio_route_gpe(uint8_t gpe0b, uint8_t gpe0c, uint8_t gpe0d);
|
|
||||||
|
|
||||||
#endif /* __ACPI__ */
|
|
||||||
|
|
||||||
#endif /* _SOC_APOLLOLAKE_GPIO_H_ */
|
|
||||||
|
|
|
||||||
|
|
@ -6,7 +6,7 @@
|
||||||
*
|
*
|
||||||
* This file is part of the coreboot project.
|
* This file is part of the coreboot project.
|
||||||
*
|
*
|
||||||
* Copyright (C) 2015 Intel Corp.
|
* Copyright (C) 2015 - 2017 Intel Corp.
|
||||||
* (Written by Alexandru Gagniuc <alexandrux.gagniuc@intel.com> for Intel Corp.)
|
* (Written by Alexandru Gagniuc <alexandrux.gagniuc@intel.com> for Intel Corp.)
|
||||||
*
|
*
|
||||||
* This program is free software; you can redistribute it and/or modify
|
* This program is free software; you can redistribute it and/or modify
|
||||||
|
|
@ -20,8 +20,8 @@
|
||||||
* GNU General Public License for more details.
|
* GNU General Public License for more details.
|
||||||
*/
|
*/
|
||||||
|
|
||||||
#ifndef _SOC_APOLLOLAKE_GPIO_DEFS_H_
|
#ifndef _SOC_APOLLOLAKE_GPIO_H_
|
||||||
#define _SOC_APOLLOLAKE_GPIO_DEFS_H_
|
#define _SOC_APOLLOLAKE_GPIO_H_
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* Miscellaneous Configuration register(MISCCFG).These are community specific
|
* Miscellaneous Configuration register(MISCCFG).These are community specific
|
||||||
|
|
@ -40,103 +40,19 @@
|
||||||
|
|
||||||
#define GPIO_MAX_NUM_PER_GROUP 32
|
#define GPIO_MAX_NUM_PER_GROUP 32
|
||||||
|
|
||||||
#define MISCCFG_GPE0_DW0_SHIFT 8
|
|
||||||
#define MISCCFG_GPE0_DW0_MASK (0xf << MISCCFG_GPE0_DW0_SHIFT)
|
|
||||||
#define MISCCFG_GPE0_DW1_SHIFT 12
|
|
||||||
#define MISCCFG_GPE0_DW1_MASK (0xf << MISCCFG_GPE0_DW1_SHIFT)
|
|
||||||
#define MISCCFG_GPE0_DW2_SHIFT 16
|
|
||||||
#define MISCCFG_GPE0_DW2_MASK (0xf << MISCCFG_GPE0_DW2_SHIFT)
|
|
||||||
|
|
||||||
/* Host Software Pad Ownership Register.
|
/* Host Software Pad Ownership Register.
|
||||||
* The pins in the community are divided into 3 groups :
|
* The pins in the community are divided into 3 groups :
|
||||||
* GPIO 0 ~ 31, GPIO 32 ~ 63, GPIO 64 ~ 95
|
* GPIO 0 ~ 31, GPIO 32 ~ 63, GPIO 64 ~ 95
|
||||||
*/
|
*/
|
||||||
#define HOSTSW_OWN_REG_BASE 0x80
|
#define HOSTSW_OWN_REG_0 0x80
|
||||||
|
|
||||||
#define PAD_CFG0_TX_STATE (1 << 0)
|
|
||||||
#define PAD_CFG0_RX_STATE (1 << 1)
|
|
||||||
#define PAD_CFG0_TX_DISABLE (1 << 8)
|
|
||||||
#define PAD_CFG0_RX_DISABLE (1 << 9)
|
|
||||||
#define PAD_CFG0_MODE_MASK (7 << 10)
|
|
||||||
#define PAD_CFG0_MODE_GPIO (0 << 10)
|
|
||||||
#define PAD_CFG0_MODE_FUNC(x) ((x) << 10)
|
|
||||||
#define PAD_CFG0_MODE_NF1 (1 << 10)
|
|
||||||
#define PAD_CFG0_MODE_NF2 (2 << 10)
|
|
||||||
#define PAD_CFG0_MODE_NF3 (3 << 10)
|
|
||||||
#define PAD_CFG0_MODE_NF4 (4 << 10)
|
|
||||||
#define PAD_CFG0_MODE_NF5 (5 << 10)
|
|
||||||
#define PAD_CFG0_ROUTE_NMI (1 << 17)
|
|
||||||
#define PAD_CFG0_ROUTE_SMI (1 << 18)
|
|
||||||
#define PAD_CFG0_ROUTE_SCI (1 << 19)
|
|
||||||
#define PAD_CFG0_ROUTE_IOAPIC (1 << 20)
|
|
||||||
#define PAD_CFG0_RX_POL_INVERT (1 << 23)
|
|
||||||
#define PAD_CFG0_RX_POL_NONE (0 << 23)
|
|
||||||
|
|
||||||
#define PAD_CFG0_TRIG_MASK (3 << 25)
|
|
||||||
#define PAD_CFG0_TRIG_LEVEL (0 << 25)
|
|
||||||
#define PAD_CFG0_TRIG_EDGE_SINGLE (1 << 25) /* controlled by RX_INVERT*/
|
|
||||||
#define PAD_CFG0_TRIG_OFF (2 << 25)
|
|
||||||
#define PAD_CFG0_TRIG_EDGE_BOTH (3 << 25)
|
|
||||||
#define PAD_CFG0_RESET_MASK (3 << 30)
|
|
||||||
#define PAD_CFG0_RESET_PWROK (0 << 30)
|
|
||||||
#define PAD_CFG0_RESET_DEEP (1 << 30)
|
|
||||||
#define PAD_CFG0_RESET_PLTRST (2 << 30)
|
|
||||||
#define PAD_CFG0_RESET_RSMRST (3 << 30)
|
|
||||||
|
|
||||||
/* Use the fourth bit in IntSel field to indicate gpio
|
|
||||||
* ownership. This field is RO and hence not used during
|
|
||||||
* gpio configuration.
|
|
||||||
*/
|
|
||||||
#define PAD_CFG1_GPIO_DRIVER (0x1 << 4)
|
|
||||||
#define PAD_CFG1_IRQ_MASK (0xff << 0)
|
|
||||||
#define PAD_CFG1_PULL_MASK (0xf << 10)
|
|
||||||
#define PAD_CFG1_PULL_NONE (0x0 << 10)
|
|
||||||
#define PAD_CFG1_PULL_DN_5K (0x2 << 10)
|
|
||||||
#define PAD_CFG1_PULL_DN_20K (0x4 << 10)
|
|
||||||
#define PAD_CFG1_PULL_UP_1K (0x9 << 10)
|
|
||||||
#define PAD_CFG1_PULL_UP_5K (0xa << 10)
|
|
||||||
#define PAD_CFG1_PULL_UP_2K (0xb << 10)
|
|
||||||
#define PAD_CFG1_PULL_UP_20K (0xc << 10)
|
|
||||||
#define PAD_CFG1_PULL_UP_667 (0xd << 10)
|
|
||||||
#define PAD_CFG1_PULL_NATIVE (0xf << 10)
|
|
||||||
/* Tx enabled driving last value driven, Rx enabled */
|
|
||||||
#define PAD_CFG1_IOSSTATE_TxLASTRxE (0x0 << 0)
|
|
||||||
/* Tx enabled driving 0, Rx disabled and Rx driving 0 back to its controller
|
|
||||||
* internally */
|
|
||||||
#define PAD_CFG1_IOSSTATE_Tx0RxDCRx0 (0x1 << 0)
|
|
||||||
/* Tx enabled driving 0, Rx disabled and Rx driving 1 back to its controller
|
|
||||||
* internally */
|
|
||||||
#define PAD_CFG1_IOSSTATE_Tx0RXDCRx1 (0x2 << 0)
|
|
||||||
/* Tx enabled driving 1, Rx disabled and Rx driving 0 back to its controller
|
|
||||||
* internally */
|
|
||||||
#define PAD_CFG1_IOSSTATE_Tx1RXDCRx0 (0x3 << 0)
|
|
||||||
/* Tx enabled driving 1, Rx disabled and Rx driving 1 back to its controller
|
|
||||||
* internally */
|
|
||||||
#define PAD_CFG1_IOSSTATE_Tx1RxDCRx1 (0x4 << 0)
|
|
||||||
/* Tx enabled driving 0, Rx enabled */
|
|
||||||
#define PAD_CFG1_IOSSTATE_Tx0RxE (0x5 << 0)
|
|
||||||
/* Tx enabled driving 1, Rx enabled */
|
|
||||||
#define PAD_CFG1_IOSSTATE_Tx1RxE (0x6 << 0)
|
|
||||||
/* Hi-Z, Rx driving 0 back to its controller internally */
|
|
||||||
#define PAD_CFG1_IOSSTATE_HIZCRx0 (0x7 << 0)
|
|
||||||
/* Hi-Z, Rx driving 1 back to its controller internally */
|
|
||||||
#define PAD_CFG1_IOSSTATE_HIZCRx1 (0x8 << 0)
|
|
||||||
#define PAD_CFG1_IOSSTATE_TxDRxE (0x9 << 0) /* Tx disabled, Rx enabled */
|
|
||||||
#define PAD_CFG1_IOSSTATE_IGNORE (0xf << 0) /* Ignore Iostandby */
|
|
||||||
#define PAD_CFG1_IOSSTATE_MASK 0xf /* mask to extract Iostandby bits */
|
|
||||||
#define PAD_CFG1_IOSSTATE_SHIFT 14 /* set Iostandby bits [17:14] */
|
|
||||||
#define PAD_CFG1_IOSTERM_SAME (0x0 << 8) /* Same as functional mode */
|
|
||||||
#define PAD_CFG1_IOSTERM_DISPUPD (0x1 << 8) /* Disable Pull-up/Pull-down */
|
|
||||||
#define PAD_CFG1_IOSTERM_ENPD (0x2 << 8) /* Enable Pull-down */
|
|
||||||
#define PAD_CFG1_IOSTERM_ENPU (0x3 << 8) /* Enable Pull-up */
|
|
||||||
|
|
||||||
#define PAD_CFG_BASE 0x500
|
#define PAD_CFG_BASE 0x500
|
||||||
#define PAD_CFG_OFFSET(pad) (PAD_CFG_BASE + ((pad) * 8))
|
|
||||||
|
#define GPI_INT_EN_0 0x110
|
||||||
|
|
||||||
#define GPI_SMI_STS_0 0x140
|
#define GPI_SMI_STS_0 0x140
|
||||||
#define GPI_SMI_EN_0 0x150
|
#define GPI_SMI_EN_0 0x150
|
||||||
#define GPI_SMI_STS_OFFSET(group) (GPI_SMI_STS_0 + ((group) * 4))
|
|
||||||
#define GPI_SMI_EN_OFFSET(group) (GPI_SMI_EN_0 + ((group) * 4))
|
|
||||||
|
|
||||||
#define NUM_N_PADS (PAD_N(SVID0_CLK) + 1)
|
#define NUM_N_PADS (PAD_N(SVID0_CLK) + 1)
|
||||||
#define NUM_NW_PADS (PAD_NW(GPIO_123) + 1)
|
#define NUM_NW_PADS (PAD_NW(GPIO_123) + 1)
|
||||||
|
|
@ -432,13 +348,21 @@
|
||||||
#define GPIO_COMM_W_NAME "INT3452:02"
|
#define GPIO_COMM_W_NAME "INT3452:02"
|
||||||
#define GPIO_COMM_SW_NAME "INT3452:03"
|
#define GPIO_COMM_SW_NAME "INT3452:03"
|
||||||
|
|
||||||
/* Default configurations */
|
/* Following is used in gpio asl */
|
||||||
#define PAD_CFG0_DEFAULT_FUNC(x) (PAD_CFG0_RESET_DEEP \
|
#define GPIO_COMM_NAME "INT3452"
|
||||||
| PAD_CFG0_MODE_FUNC(x))
|
#define GPIO_COMM_0_DESC \
|
||||||
#define PAD_CFG0_DEFAULT_NATIVE PAD_CFG0_DEFAULT_FUNC(1)
|
"General Purpose Input/Output (GPIO) Controller - North"
|
||||||
|
#define GPIO_COMM_1_DESC \
|
||||||
|
"General Purpose Input/Output (GPIO) Controller - Northwest"
|
||||||
|
#define GPIO_COMM_2_DESC \
|
||||||
|
"General Purpose Input/Output (GPIO) Controller - West"
|
||||||
|
#define GPIO_COMM_3_DESC \
|
||||||
|
"General Purpose Input/Output (GPIO) Controller - Southwest"
|
||||||
|
|
||||||
#define PAD_CFG1_DEFAULT_PULLUP PAD_CFG1_PULL_UP_20K
|
#define GPIO_COMM0_PID PID_GPIO_N
|
||||||
#define PAD_CFG1_DEFAULT_NATIVE PAD_CFG1_PULL_NATIVE
|
#define GPIO_COMM1_PID PID_GPIO_NW
|
||||||
|
#define GPIO_COMM2_PID PID_GPIO_W
|
||||||
|
#define GPIO_COMM3_PID PID_GPIO_SW
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* IOxAPIC IRQs for the GPIOs, overlap is expected as we encourage to use
|
* IOxAPIC IRQs for the GPIOs, overlap is expected as we encourage to use
|
||||||
|
|
@ -554,4 +478,5 @@
|
||||||
#define GPIO_72_IRQ 0x65
|
#define GPIO_72_IRQ 0x65
|
||||||
#define GPIO_73_IRQ 0x66
|
#define GPIO_73_IRQ 0x66
|
||||||
|
|
||||||
#endif /* _SOC_APOLLOLAKE_GPIO_DEFS_H_ */
|
#define GPIO_NUM_PAD_CFG_REGS 2 /* DW0, DW1 */
|
||||||
|
#endif /* _SOC_APOLLOLAKE_GPIO_H_ */
|
||||||
Loading…
Reference in New Issue