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baytrail: Add ACPI code to describe GPIO controller 

There are 3 banks of GPIOs that need to be described
with specific _UID and memory/interrupt values.

BUG=chrome-os-partner:24314
BRANCH=none
TEST=build and boot on rambi, check for probed driver:

gpiochip_find_base: found new base at 154
gpiochip_add: registered GPIOs 154 to 255 on device: INT33FC:00
gpiochip_find_base: found new base at 126
gpiochip_add: registered GPIOs 126 to 153 on device: INT33FC:01
gpiochip_find_base: found new base at 82
gpiochip_add: registered GPIOs 82 to 125 on device: INT33FC:02

  fed0c000-fed0cfff : INT33FC:00
    fed0c000-fed0cfff : INT33FC:00
  fed0d000-fed0dfff : INT33FC:01
    fed0d000-fed0dfff : INT33FC:01
  fed0e000-fed0efff : INT33FC:02
    fed0e000-fed0efff : INT33FC:02

Change-Id: I9619e2af4e1ccdf3d7b2e4ae280aadf22e278aeb
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/178601
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/4985
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Tested-by: build bot (Jenkins)
This commit is contained in:
Duncan Laurie 2013-12-03 10:00:20 -08:00 committed by Kyösti Mälkki
parent 22f1dcdfc4
commit bb0d1ea247
5 changed files with 122 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

110
src/soc/intel/baytrail/acpi/gpio.asl Normal file
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@ -0,0 +1,110 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2013 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., 51 Franklin St, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#include <soc/intel/baytrail/baytrail/iomap.h>
#include <soc/intel/baytrail/baytrail/irq.h>
/* SouthCluster GPIO */
Device (GPSC)
{
Name (_HID, "INT33FC")
Name (_CID, "INT33FC")
Name (_UID, 1)
Name (RBUF, ResourceTemplate()
{
Memory32Fixed (ReadWrite, 0, 0x1000, RMEM)
Interrupt (ResourceConsumer, Level, ActiveLow, Shared,,,)
{
GPIO_SC_IRQ
}
})
Method (_CRS)
{
CreateDwordField (^RBUF, ^RMEM._BAS, RBAS)
Add (IO_BASE_ADDRESS, IO_BASE_OFFSET_GPSCORE, RBAS)
Return (^RBUF)
}
Method (_STA)
{
Return (0xF)
}
}
/* NorthCluster GPIO */
Device (GPNC)
{
Name (_HID, "INT33FC")
Name (_CID, "INT33FC")
Name (_UID, 2)
Name (RBUF, ResourceTemplate()
{
Memory32Fixed (ReadWrite, 0, 0x1000, RMEM)
Interrupt (ResourceConsumer, Level, ActiveLow, Shared,,,)
{
GPIO_NC_IRQ
}
})
Method (_CRS)
{
CreateDwordField (^RBUF, ^RMEM._BAS, RBAS)
Add (IO_BASE_ADDRESS, IO_BASE_OFFSET_GPNCORE, RBAS)
Return (^RBUF)
}
Method (_STA)
{
Return (0xF)
}
}
/* SUS GPIO */
Device (GPSS)
{
Name (_HID, "INT33FC")
Name (_CID, "INT33FC")
Name (_UID, 3)
Name (RBUF, ResourceTemplate()
{
Memory32Fixed (ReadWrite, 0, 0x1000, RMEM)
Interrupt (ResourceConsumer, Level, ActiveLow, Shared,,,)
{
GPIO_SUS_IRQ
}
})
Method (_CRS)
{
CreateDwordField (^RBUF, ^RMEM._BAS, RBAS)
Add (IO_BASE_ADDRESS, IO_BASE_OFFSET_GPSSUS, RBAS)
Return (^RBUF)
}
Method (_STA)
{
Return (0xF)
}
}

4
src/soc/intel/baytrail/acpi/southcluster.asl
View File

@ -192,7 +192,6 @@ Device (PDRC)
Memory32Fixed(ReadWrite, ABORT_BASE_ADDRESS, ABORT_BASE_SIZE)
Memory32Fixed(ReadWrite, MCFG_BASE_ADDRESS, MCFG_BASE_SIZE)
Memory32Fixed(ReadWrite, PMC_BASE_ADDRESS, PMC_BASE_SIZE)
Memory32Fixed(ReadWrite, IO_BASE_ADDRESS, IO_BASE_SIZE)
Memory32Fixed(ReadWrite, ILB_BASE_ADDRESS, ILB_BASE_SIZE)
Memory32Fixed(ReadWrite, SPI_BASE_ADDRESS, SPI_BASE_SIZE)
Memory32Fixed(ReadWrite, MPHY_BASE_ADDRESS, MPHY_BASE_SIZE)
@ -233,3 +232,6 @@ Method (_OSC, 4)
// IRQ routing for each PCI device
#include "irqroute.asl"
// GPIO Devices
#include "gpio.asl"

6
src/soc/intel/baytrail/baytrail/gpio.h
View File

@ -27,9 +27,9 @@
/* #define GPIO_DEBUG */
/* Pad base, ex. PAD_CONF0[n]= PAD_BASE+16*n */
#define GPSCORE_PAD_BASE (IO_BASE_ADDRESS + 0x0000)
#define GPNCORE_PAD_BASE (IO_BASE_ADDRESS + 0x1000)
#define GPSSUS_PAD_BASE (IO_BASE_ADDRESS + 0x2000)
#define GPSCORE_PAD_BASE (IO_BASE_ADDRESS + IO_BASE_OFFSET_GPSCORE)
#define GPNCORE_PAD_BASE (IO_BASE_ADDRESS + IO_BASE_OFFSET_GPNCORE)
#define GPSSUS_PAD_BASE (IO_BASE_ADDRESS + IO_BASE_OFFSET_GPSSUS)
/* DIRQ registers start at pad base + 0x980 */
#define PAD_BASE_DIRQ_OFFSET 0x980

3
src/soc/intel/baytrail/baytrail/iomap.h
View File

@ -39,6 +39,9 @@
/* IO Memory */
#define IO_BASE_ADDRESS 0xfed0c000
#define IO_BASE_OFFSET_GPSCORE 0x0000
#define IO_BASE_OFFSET_GPNCORE 0x1000
#define IO_BASE_OFFSET_GPSSUS 0x2000
#define IO_BASE_SIZE 0x4000
/* Intel Legacy Block */

3
src/soc/intel/baytrail/baytrail/irq.h
View File

@ -50,6 +50,9 @@
#define SCC_EMMC_IRQ 45
#define SCC_SDIO_IRQ 46
#define SCC_SD_IRQ 47
#define GPIO_NC_IRQ 48
#define GPIO_SC_IRQ 49
#define GPIO_SUS_IRQ 50
/* GPIO direct / dedicated IRQs. */
#define GPIO_S0_DED_IRQ_0 51
#define GPIO_S0_DED_IRQ_1 52