f8ad895824
Add more Aspeed watchdog registers from [*]. Since guests can righteously access them, log the access at 'unimplemented' level instead of 'guest-errors'. [*] https://github.com/AspeedTech-BMC/zephyr/blob/v00.01.08/drivers/watchdog/wdt_aspeed.c#L31 Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Peter Delevoryas <peter@pjd.dev> Signed-off-by: Cédric Le Goater <clg@kaod.org>
54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
/*
|
|
* ASPEED Watchdog Controller
|
|
*
|
|
* Copyright (C) 2016-2017 IBM Corp.
|
|
*
|
|
* This code is licensed under the GPL version 2 or later. See the
|
|
* COPYING file in the top-level directory.
|
|
*/
|
|
|
|
#ifndef WDT_ASPEED_H
|
|
#define WDT_ASPEED_H
|
|
|
|
#include "hw/misc/aspeed_scu.h"
|
|
#include "hw/sysbus.h"
|
|
#include "qom/object.h"
|
|
|
|
#define TYPE_ASPEED_WDT "aspeed.wdt"
|
|
OBJECT_DECLARE_TYPE(AspeedWDTState, AspeedWDTClass, ASPEED_WDT)
|
|
#define TYPE_ASPEED_2400_WDT TYPE_ASPEED_WDT "-ast2400"
|
|
#define TYPE_ASPEED_2500_WDT TYPE_ASPEED_WDT "-ast2500"
|
|
#define TYPE_ASPEED_2600_WDT TYPE_ASPEED_WDT "-ast2600"
|
|
#define TYPE_ASPEED_1030_WDT TYPE_ASPEED_WDT "-ast1030"
|
|
|
|
#define ASPEED_WDT_REGS_MAX (0x30 / 4)
|
|
|
|
struct AspeedWDTState {
|
|
/*< private >*/
|
|
SysBusDevice parent_obj;
|
|
QEMUTimer *timer;
|
|
|
|
/*< public >*/
|
|
MemoryRegion iomem;
|
|
uint32_t regs[ASPEED_WDT_REGS_MAX];
|
|
|
|
AspeedSCUState *scu;
|
|
uint32_t pclk_freq;
|
|
};
|
|
|
|
|
|
struct AspeedWDTClass {
|
|
SysBusDeviceClass parent_class;
|
|
|
|
uint32_t iosize;
|
|
uint32_t ext_pulse_width_mask;
|
|
uint32_t reset_ctrl_reg;
|
|
void (*reset_pulse)(AspeedWDTState *s, uint32_t property);
|
|
void (*wdt_reload)(AspeedWDTState *s);
|
|
uint64_t (*sanitize_ctrl)(uint64_t data);
|
|
uint32_t default_status;
|
|
uint32_t default_reload_value;
|
|
};
|
|
|
|
#endif /* WDT_ASPEED_H */
|