Avoid confusing two different things:
- the WDT I/O region size ('iosize')
- at which offset the SoC map the WDT ('offset')
While it is often the same, we can map smaller region sizes at
larger offsets.Here we are interested in the I/O region size. Rename as 'iosize' and map the whole range, not only the first implemented registers. Unimplemented registers accesses are already logged as guest-errors. Otherwise when booting the demo in [*] we get: aspeed.io: unimplemented device write (size 4, offset 0x1851a8, value 0x030f1ff1) aspeed.io: unimplemented device write (size 4, offset 0x1851ac, value 0x03fffff1) aspeed.io: unimplemented device write (size 4, offset 0x185128, value 0x030f1ff1) aspeed.io: unimplemented device write (size 4, offset 0x18512c, value 0x03fffff1) [*] https://github.com/AspeedTech-BMC/zephyr/releases/tag/v00.01.07 Signed-off-by: Philippe Mathieu-Daudé <phi...@linaro.org> --- hw/arm/aspeed_ast10x0.c | 2 +- hw/arm/aspeed_ast2600.c | 2 +- hw/arm/aspeed_soc.c | 2 +- hw/watchdog/wdt_aspeed.c | 12 +++++++----- include/hw/watchdog/wdt_aspeed.h | 2 +- 5 files changed, 11 insertions(+), 9 deletions(-) diff --git a/hw/arm/aspeed_ast10x0.c b/hw/arm/aspeed_ast10x0.c index 4d0b9b115f..122b3fd3f3 100644 --- a/hw/arm/aspeed_ast10x0.c +++ b/hw/arm/aspeed_ast10x0.c @@ -325,7 +325,7 @@ static void aspeed_soc_ast1030_realize(DeviceState *dev_soc, Error **errp) return; } aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->wdt[i]), 0, - sc->memmap[ASPEED_DEV_WDT] + i * awc->offset); + sc->memmap[ASPEED_DEV_WDT] + i * awc->iosize); } /* GPIO */ diff --git a/hw/arm/aspeed_ast2600.c b/hw/arm/aspeed_ast2600.c index cd75465c2b..a79e05ddbd 100644 --- a/hw/arm/aspeed_ast2600.c +++ b/hw/arm/aspeed_ast2600.c @@ -472,7 +472,7 @@ static void aspeed_soc_ast2600_realize(DeviceState *dev, Error **errp) return; } aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->wdt[i]), 0, - sc->memmap[ASPEED_DEV_WDT] + i * awc->offset); + sc->memmap[ASPEED_DEV_WDT] + i * awc->iosize); } /* RAM */ diff --git a/hw/arm/aspeed_soc.c b/hw/arm/aspeed_soc.c index b05b9dd416..2c0924d311 100644 --- a/hw/arm/aspeed_soc.c +++ b/hw/arm/aspeed_soc.c @@ -393,7 +393,7 @@ static void aspeed_soc_realize(DeviceState *dev, Error **errp) return; } aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->wdt[i]), 0, - sc->memmap[ASPEED_DEV_WDT] + i * awc->offset); + sc->memmap[ASPEED_DEV_WDT] + i * awc->iosize); } /* RAM */ diff --git a/hw/watchdog/wdt_aspeed.c b/hw/watchdog/wdt_aspeed.c index d753693a2e..c1311ce74c 100644 --- a/hw/watchdog/wdt_aspeed.c +++ b/hw/watchdog/wdt_aspeed.c @@ -260,6 +260,7 @@ static void aspeed_wdt_realize(DeviceState *dev, Error **errp) { SysBusDevice *sbd = SYS_BUS_DEVICE(dev); AspeedWDTState *s = ASPEED_WDT(dev); + AspeedWDTClass *awc = ASPEED_WDT_GET_CLASS(dev); assert(s->scu); @@ -270,8 +271,9 @@ static void aspeed_wdt_realize(DeviceState *dev, Error **errp) */ s->pclk_freq = PCLK_HZ; + assert(awc->iosize >= ASPEED_WDT_REGS_MAX * 4); memory_region_init_io(&s->iomem, OBJECT(s), &aspeed_wdt_ops, s, - TYPE_ASPEED_WDT, ASPEED_WDT_REGS_MAX * 4); + TYPE_ASPEED_WDT, awc->iosize); sysbus_init_mmio(sbd, &s->iomem); } @@ -309,7 +311,7 @@ static void aspeed_2400_wdt_class_init(ObjectClass *klass, void *data) AspeedWDTClass *awc = ASPEED_WDT_CLASS(klass); dc->desc = "ASPEED 2400 Watchdog Controller"; - awc->offset = 0x20; + awc->iosize = 0x20; awc->ext_pulse_width_mask = 0xff; awc->reset_ctrl_reg = SCU_RESET_CONTROL1; awc->wdt_reload = aspeed_wdt_reload; @@ -346,7 +348,7 @@ static void aspeed_2500_wdt_class_init(ObjectClass *klass, void *data) AspeedWDTClass *awc = ASPEED_WDT_CLASS(klass); dc->desc = "ASPEED 2500 Watchdog Controller"; - awc->offset = 0x20; + awc->iosize = 0x20; awc->ext_pulse_width_mask = 0xfffff; awc->reset_ctrl_reg = SCU_RESET_CONTROL1; awc->reset_pulse = aspeed_2500_wdt_reset_pulse; @@ -369,7 +371,7 @@ static void aspeed_2600_wdt_class_init(ObjectClass *klass, void *data) AspeedWDTClass *awc = ASPEED_WDT_CLASS(klass); dc->desc = "ASPEED 2600 Watchdog Controller"; - awc->offset = 0x40; + awc->iosize = 0x40; awc->ext_pulse_width_mask = 0xfffff; /* TODO */ awc->reset_ctrl_reg = AST2600_SCU_RESET_CONTROL1; awc->reset_pulse = aspeed_2500_wdt_reset_pulse; @@ -392,7 +394,7 @@ static void aspeed_1030_wdt_class_init(ObjectClass *klass, void *data) AspeedWDTClass *awc = ASPEED_WDT_CLASS(klass); dc->desc = "ASPEED 1030 Watchdog Controller"; - awc->offset = 0x80; + awc->iosize = 0x80; awc->ext_pulse_width_mask = 0xfffff; /* TODO */ awc->reset_ctrl_reg = AST2600_SCU_RESET_CONTROL1; awc->reset_pulse = aspeed_2500_wdt_reset_pulse; diff --git a/include/hw/watchdog/wdt_aspeed.h b/include/hw/watchdog/wdt_aspeed.h index dfa5dfa424..db91ee6b51 100644 --- a/include/hw/watchdog/wdt_aspeed.h +++ b/include/hw/watchdog/wdt_aspeed.h @@ -40,7 +40,7 @@ struct AspeedWDTState { struct AspeedWDTClass { SysBusDeviceClass parent_class; - uint32_t offset; + uint32_t iosize; uint32_t ext_pulse_width_mask; uint32_t reset_ctrl_reg; void (*reset_pulse)(AspeedWDTState *s, uint32_t property); -- 2.38.1
