diff options
| author | Cédric Le Goater <clg@kaod.org> | 2016-09-06 19:52:17 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2016-09-06 19:52:17 +0100 |
| commit | c2da8a8b90faf0b77417e08fa942af1ff0f7cdc3 (patch) | |
| tree | 2258604fba53b490d84133d84efec72e555be6da /hw/arm | |
| parent | 2926375cffce464fde6b4dabaed1e133d549af39 (diff) | |
ast2400: add a memory controller device model
The uboot in the previous release of the SDK was using a hardcoded
value for memory size. This is not true anymore, the value is now
retrieved from the memory controller.
Below is a model for this device, only supporting unlock and
configuration. Without it, we endup running a guest with 64MB, which
is a bit low nowdays. It uses a 'silicon-rev' property and ram_size to
build a default value. Some bits should be linked to SCU strapping
registers but it seems a bit complex to add for the current need.
The model is ready for the AST2500 SOC.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/arm')
| -rw-r--r-- | hw/arm/ast2400.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/hw/arm/ast2400.c b/hw/arm/ast2400.c index 326fdb36ee..136bf6464e 100644 --- a/hw/arm/ast2400.c +++ b/hw/arm/ast2400.c @@ -27,6 +27,7 @@ #define AST2400_FMC_BASE 0X1E620000 #define AST2400_SPI_BASE 0X1E630000 #define AST2400_VIC_BASE 0x1E6C0000 +#define AST2400_SDMC_BASE 0x1E6E0000 #define AST2400_SCU_BASE 0x1E6E2000 #define AST2400_TIMER_BASE 0x1E782000 #define AST2400_I2C_BASE 0x1E78A000 @@ -97,6 +98,12 @@ static void ast2400_init(Object *obj) object_initialize(&s->spi, sizeof(s->spi), "aspeed.smc.spi"); object_property_add_child(obj, "spi", OBJECT(&s->spi), NULL); qdev_set_parent_bus(DEVICE(&s->spi), sysbus_get_default()); + + object_initialize(&s->sdmc, sizeof(s->sdmc), TYPE_ASPEED_SDMC); + object_property_add_child(obj, "sdmc", OBJECT(&s->sdmc), NULL); + qdev_set_parent_bus(DEVICE(&s->sdmc), sysbus_get_default()); + qdev_prop_set_uint32(DEVICE(&s->sdmc), "silicon-rev", + AST2400_A0_SILICON_REV); } static void ast2400_realize(DeviceState *dev, Error **errp) @@ -183,6 +190,14 @@ static void ast2400_realize(DeviceState *dev, Error **errp) } sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi), 0, AST2400_SPI_BASE); sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi), 1, AST2400_SPI_FLASH_BASE); + + /* SDMC - SDRAM Memory Controller */ + object_property_set_bool(OBJECT(&s->sdmc), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } + sysbus_mmio_map(SYS_BUS_DEVICE(&s->sdmc), 0, AST2400_SDMC_BASE); } static void ast2400_class_init(ObjectClass *oc, void *data) |