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| author | Cédric Le Goater | 2021-03-09 12:01:28 +0100 |
|---|---|---|
| committer | Cédric Le Goater | 2021-03-09 12:01:28 +0100 |
| commit | 2ecf17264debe1bc3399fe587690c78d03e8401b (patch) | |
| tree | 792d6d3331647aff8e0d1e5a587b240bcb0d19dc /hw/arm | |
| parent | hw/arm: ast2600: Correct the iBT interrupt ID (diff) | |
| download | qemu-2ecf17264debe1bc3399fe587690c78d03e8401b.tar.gz qemu-2ecf17264debe1bc3399fe587690c78d03e8401b.tar.xz qemu-2ecf17264debe1bc3399fe587690c78d03e8401b.zip | |
hw/misc: Add a basic Aspeed LPC controller model
This is a very minimal framework to access registers which are used to
configure the AHB memory mapping of the flash chips on the LPC HC
Firmware address space.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Message-Id: <20210302014317.915120-5-andrew@aj.id.au>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Diffstat (limited to 'hw/arm')
| -rw-r--r-- | hw/arm/aspeed_ast2600.c | 10 | ||||
| -rw-r--r-- | hw/arm/aspeed_soc.c | 10 |
2 files changed, 20 insertions, 0 deletions
diff --git a/hw/arm/aspeed_ast2600.c b/hw/arm/aspeed_ast2600.c index 7635d4bae9..78a8d6e62f 100644 --- a/hw/arm/aspeed_ast2600.c +++ b/hw/arm/aspeed_ast2600.c @@ -211,6 +211,8 @@ static void aspeed_soc_ast2600_init(Object *obj) object_initialize_child(obj, "emmc-controller.sdhci", &s->emmc.slots[0], TYPE_SYSBUS_SDHCI); + + object_initialize_child(obj, "lpc", &s->lpc, TYPE_ASPEED_LPC); } /* @@ -462,6 +464,14 @@ static void aspeed_soc_ast2600_realize(DeviceState *dev, Error **errp) sysbus_mmio_map(SYS_BUS_DEVICE(&s->emmc), 0, sc->memmap[ASPEED_DEV_EMMC]); sysbus_connect_irq(SYS_BUS_DEVICE(&s->emmc), 0, aspeed_soc_get_irq(s, ASPEED_DEV_EMMC)); + + /* LPC */ + if (!sysbus_realize(SYS_BUS_DEVICE(&s->lpc), errp)) { + return; + } + sysbus_mmio_map(SYS_BUS_DEVICE(&s->lpc), 0, sc->memmap[ASPEED_DEV_LPC]); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->lpc), 0, + aspeed_soc_get_irq(s, ASPEED_DEV_LPC)); } static void aspeed_soc_ast2600_class_init(ObjectClass *oc, void *data) diff --git a/hw/arm/aspeed_soc.c b/hw/arm/aspeed_soc.c index 7eefd54ac0..4f098da437 100644 --- a/hw/arm/aspeed_soc.c +++ b/hw/arm/aspeed_soc.c @@ -211,6 +211,8 @@ static void aspeed_soc_init(Object *obj) object_initialize_child(obj, "sdhci[*]", &s->sdhci.slots[i], TYPE_SYSBUS_SDHCI); } + + object_initialize_child(obj, "lpc", &s->lpc, TYPE_ASPEED_LPC); } static void aspeed_soc_realize(DeviceState *dev, Error **errp) @@ -393,6 +395,14 @@ static void aspeed_soc_realize(DeviceState *dev, Error **errp) sc->memmap[ASPEED_DEV_SDHCI]); sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhci), 0, aspeed_soc_get_irq(s, ASPEED_DEV_SDHCI)); + + /* LPC */ + if (!sysbus_realize(SYS_BUS_DEVICE(&s->lpc), errp)) { + return; + } + sysbus_mmio_map(SYS_BUS_DEVICE(&s->lpc), 0, sc->memmap[ASPEED_DEV_LPC]); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->lpc), 0, + aspeed_soc_get_irq(s, ASPEED_DEV_LPC)); } static Property aspeed_soc_properties[] = { DEFINE_PROP_LINK("dram", AspeedSoCState, dram_mr, TYPE_MEMORY_REGION, |