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ast2400: add a memory controller device model

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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>
This commit is contained in:
Cédric Le Goater 2016-09-06 19:52:17 +01:00 • committed by Peter Maydell
parent 2926375cff
commit c2da8a8b90
5 changed files with 312 additions and 1 deletions
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2
hw/misc/Makefile.objs
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@ -52,4 +52,4 @@ obj-$(CONFIG_PVPANIC) += pvpanic.o
obj-$(CONFIG_EDU) += edu.o
obj-$(CONFIG_HYPERV_TESTDEV) += hyperv_testdev.o
obj-$(CONFIG_AUX) += auxbus.o
obj-$(CONFIG_ASPEED_SOC) += aspeed_scu.o
obj-$(CONFIG_ASPEED_SOC) += aspeed_scu.o aspeed_sdmc.o