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[PULL 50/68] hw: wdt_aspeed: Add AST2600 support
From: |
Peter Maydell |
Subject: |
[PULL 50/68] hw: wdt_aspeed: Add AST2600 support |
Date: |
Mon, 14 Oct 2019 17:03:46 +0100 |
From: Joel Stanley <address@hidden>
The AST2600 has four watchdogs, and they each have a 0x40 of registers.
When running as part of an ast2600 system we must check a different
offset for the system reset control register in the SCU.
Signed-off-by: Joel Stanley <address@hidden>
Signed-off-by: Cédric Le Goater <address@hidden>
Message-id: address@hidden
[clg: - reworked model integration into new object class ]
Signed-off-by: Cédric Le Goater <address@hidden>
Signed-off-by: Peter Maydell <address@hidden>
---
include/hw/arm/aspeed_soc.h | 2 +-
include/hw/watchdog/wdt_aspeed.h | 1 +
hw/watchdog/wdt_aspeed.c | 29 +++++++++++++++++++++++++++++
3 files changed, 31 insertions(+), 1 deletion(-)
diff --git a/include/hw/arm/aspeed_soc.h b/include/hw/arm/aspeed_soc.h
index ba5bbb53e1a..b427f2668a8 100644
--- a/include/hw/arm/aspeed_soc.h
+++ b/include/hw/arm/aspeed_soc.h
@@ -27,7 +27,7 @@
#include "hw/sd/aspeed_sdhci.h"
#define ASPEED_SPIS_NUM 2
-#define ASPEED_WDTS_NUM 3
+#define ASPEED_WDTS_NUM 4
#define ASPEED_CPUS_NUM 2
#define ASPEED_MACS_NUM 2
diff --git a/include/hw/watchdog/wdt_aspeed.h b/include/hw/watchdog/wdt_aspeed.h
index 796342764e2..dfedd7662dd 100644
--- a/include/hw/watchdog/wdt_aspeed.h
+++ b/include/hw/watchdog/wdt_aspeed.h
@@ -18,6 +18,7 @@
OBJECT_CHECK(AspeedWDTState, (obj), TYPE_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 ASPEED_WDT_REGS_MAX (0x20 / 4)
diff --git a/hw/watchdog/wdt_aspeed.c b/hw/watchdog/wdt_aspeed.c
index fc0e6c486a7..145be6f99ce 100644
--- a/hw/watchdog/wdt_aspeed.c
+++ b/hw/watchdog/wdt_aspeed.c
@@ -40,12 +40,14 @@
#define WDT_DRIVE_TYPE_MASK (0xFF << 24)
#define WDT_PUSH_PULL_MAGIC (0xA8 << 24)
#define WDT_OPEN_DRAIN_MAGIC (0x8A << 24)
+#define WDT_RESET_MASK1 (0x1c / 4)
#define WDT_TIMEOUT_STATUS (0x10 / 4)
#define WDT_TIMEOUT_CLEAR (0x14 / 4)
#define WDT_RESTART_MAGIC 0x4755
+#define AST2600_SCU_RESET_CONTROL1 (0x40 / 4)
#define SCU_RESET_CONTROL1 (0x04 / 4)
#define SCU_RESET_SDRAM BIT(0)
@@ -74,6 +76,8 @@ static uint64_t aspeed_wdt_read(void *opaque, hwaddr offset,
unsigned size)
return s->regs[WDT_CTRL];
case WDT_RESET_WIDTH:
return s->regs[WDT_RESET_WIDTH];
+ case WDT_RESET_MASK1:
+ return s->regs[WDT_RESET_MASK1];
case WDT_TIMEOUT_STATUS:
case WDT_TIMEOUT_CLEAR:
qemu_log_mask(LOG_UNIMP,
@@ -146,6 +150,11 @@ static void aspeed_wdt_write(void *opaque, hwaddr offset,
uint64_t data,
s->regs[WDT_RESET_WIDTH] |= data & awc->ext_pulse_width_mask;
break;
+ case WDT_RESET_MASK1:
+ /* TODO: implement */
+ s->regs[WDT_RESET_MASK1] = data;
+ break;
+
case WDT_TIMEOUT_STATUS:
case WDT_TIMEOUT_CLEAR:
qemu_log_mask(LOG_UNIMP,
@@ -316,12 +325,32 @@ static const TypeInfo aspeed_2500_wdt_info = {
.class_init = aspeed_2500_wdt_class_init,
};
+static void aspeed_2600_wdt_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ AspeedWDTClass *awc = ASPEED_WDT_CLASS(klass);
+
+ dc->desc = "ASPEED 2600 Watchdog Controller";
+ awc->offset = 0x40;
+ awc->ext_pulse_width_mask = 0xfffff; /* TODO */
+ awc->reset_ctrl_reg = AST2600_SCU_RESET_CONTROL1;
+ awc->reset_pulse = aspeed_2500_wdt_reset_pulse;
+}
+
+static const TypeInfo aspeed_2600_wdt_info = {
+ .name = TYPE_ASPEED_2600_WDT,
+ .parent = TYPE_ASPEED_WDT,
+ .instance_size = sizeof(AspeedWDTState),
+ .class_init = aspeed_2600_wdt_class_init,
+};
+
static void wdt_aspeed_register_types(void)
{
watchdog_add_model(&model);
type_register_static(&aspeed_wdt_info);
type_register_static(&aspeed_2400_wdt_info);
type_register_static(&aspeed_2500_wdt_info);
+ type_register_static(&aspeed_2600_wdt_info);
}
type_init(wdt_aspeed_register_types)
--
2.20.1
- [PULL 39/68] target/arm/arm-semi: Implement SH_EXT_STDOUT_STDERR extension, (continued)
- [PULL 39/68] target/arm/arm-semi: Implement SH_EXT_STDOUT_STDERR extension, Peter Maydell, 2019/10/14
- [PULL 40/68] aspeed/wdt: Check correct register for clock source, Peter Maydell, 2019/10/14
- [PULL 41/68] hw/sd/aspeed_sdhci: New device, Peter Maydell, 2019/10/14
- [PULL 44/68] aspeed/timer: Add support for control register 3, Peter Maydell, 2019/10/14
- [PULL 42/68] hw: aspeed_scu: Add AST2600 support, Peter Maydell, 2019/10/14
- [PULL 43/68] aspeed/timer: Introduce an object class per SoC, Peter Maydell, 2019/10/14
- [PULL 45/68] aspeed/timer: Add AST2600 support, Peter Maydell, 2019/10/14
- [PULL 46/68] aspeed/timer: Add support for IRQ status register on the AST2600, Peter Maydell, 2019/10/14
- [PULL 47/68] aspeed/sdmc: Introduce an object class per SoC, Peter Maydell, 2019/10/14
- [PULL 48/68] aspeed/sdmc: Add AST2600 support, Peter Maydell, 2019/10/14
- [PULL 50/68] hw: wdt_aspeed: Add AST2600 support,
Peter Maydell <=
- [PULL 49/68] watchdog/aspeed: Introduce an object class per SoC, Peter Maydell, 2019/10/14
- [PULL 52/68] aspeed/smc: Add AST2600 support, Peter Maydell, 2019/10/14
- [PULL 51/68] aspeed/smc: Introduce segment operations, Peter Maydell, 2019/10/14
- [PULL 53/68] hw/gpio: Add in AST2600 specific implementation, Peter Maydell, 2019/10/14
- [PULL 55/68] aspeed/i2c: Add AST2600 support, Peter Maydell, 2019/10/14
- [PULL 54/68] aspeed/i2c: Introduce an object class per SoC, Peter Maydell, 2019/10/14
- [PULL 58/68] m25p80: Add support for w25q512jv, Peter Maydell, 2019/10/14
- [PULL 59/68] aspeed: Add an AST2600 eval board, Peter Maydell, 2019/10/14