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Diffstat (limited to 'common/mentor-swupdate/recipes-bsp/grub/amd-wdt/amd_wdt.h')
-rw-r--r-- | common/mentor-swupdate/recipes-bsp/grub/amd-wdt/amd_wdt.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/common/mentor-swupdate/recipes-bsp/grub/amd-wdt/amd_wdt.h b/common/mentor-swupdate/recipes-bsp/grub/amd-wdt/amd_wdt.h new file mode 100644 index 00000000..db7c49a1 --- /dev/null +++ b/common/mentor-swupdate/recipes-bsp/grub/amd-wdt/amd_wdt.h @@ -0,0 +1,76 @@ +/***************************************************************************** +* +* Copyright (c) 2014, Advanced Micro Devices, Inc. +* All rights reserved. +* +* Redistribution and use in source and binary forms, with or without +* modification, are permitted provided that the following conditions are met: +* * Redistributions of source code must retain the above copyright +* notice, this list of conditions and the following disclaimer. +* * Redistributions in binary form must reproduce the above copyright +* notice, this list of conditions and the following disclaimer in the +* documentation and/or other materials provided with the distribution. +* * Neither the name of Advanced Micro Devices, Inc. nor the names of +* its contributors may be used to endorse or promote products derived +* from this software without specific prior written permission. +* +* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +* DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY +* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +* +* +***************************************************************************/ + +#ifndef _AMD_WDT_H_ +#define _AMD_WDT_H_ + +/* Module and version information */ +#define WDT_VERSION "1.0" +#define WDT_MODULE_NAME "AMD watchdog timer" +#define WDT_DRIVER_NAME WDT_MODULE_NAME ", v" WDT_VERSION + +#define AMD_WDT_DEFAULT_TIMEOUT 60 /* 60 units default heartbeat. */ +#define AMD_WDT_MIN_TIMEOUT 0x0001 /* minimum timeout value */ +#define AMD_WDT_MAX_TIMEOUT 0xFFFF /* maximum timeout value */ +#define MAX_LENGTH (8 + 1) /* shutdown has 8 characters + NULL character */ + +/* Watchdog register definitions */ +#define AMD_ACPI_MMIO_BASE 0xFED80000 +#define AMD_WDT_MEM_MAP_OFFSET 0xB00 +#define AMD_WDT_MEM_MAP_SIZE 0x100 + +#define AMD_WDT_CONTROL(base) ((base) + 0x00) /* Watchdog Control */ + #define AMD_WDT_START_STOP_BIT (1 << 0) + #define AMD_WDT_FIRED_BIT (1 << 1) + #define AMD_WDT_ACTION_RESET_BIT (1 << 2) + #define AMD_WDT_DISABLE_BIT (1 << 3) + /* 6:4 bits Reserved */ + #define AMD_WDT_TRIGGER_BIT (1 << 7) +#define AMD_WDT_COUNT(base) ((base) + 0x04) /* Watchdog Count */ + #define AMD_WDT_COUNT_MASK 0xFFFF + +#define AMD_PM_WATCHDOG_EN_REG 0x00 + #define AMD_PM_WATCHDOG_TIMER_EN (0x01 << 7) + +#define AMD_PM_WATCHDOG_CONFIG_REG 0x03 + #define AMD_PM_WATCHDOG_32USEC_RES 0x0 + #define AMD_PM_WATCHDOG_10MSEC_RES 0x1 + #define AMD_PM_WATCHDOG_100MSEC_RES 0x2 + #define AMD_PM_WATCHDOG_1SEC_RES 0x3 +#define AMD_PM_WATCHDOG_CONFIG_MASK 0x3 + +/* IO port address for indirect access using ACPI PM registers */ +#define AMD_IO_PM_INDEX_REG 0xCD6 +#define AMD_IO_PM_DATA_REG 0xCD7 + +#define AMD_ACPI_MMIO_ADDR_MASK ~0x1FFF +#define PCI_DEVICE_ID_AMD_CARRIZO_SMBUS 0x790B + +#endif /* _AMD_WDT_H_ */ |