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hw/riscv/opentitan: add aon_timer base unimpl

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Adds the updated `aon_timer` base as an unimplemented device. This is
used by TockOS, patch ensures the guest doesn't hit load faults.

Signed-off-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20221025043335.339815-3-wilfred.mallawa@opensource.wdc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Wilfred Mallawa 2022-10-25 14:33:37 +10:00 committed by Alistair Francis
parent 5379c1d0a4
commit aefd1108ee
2 changed files with 4 additions and 0 deletions
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3
hw/riscv/opentitan.c
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@ -56,6 +56,7 @@ static const MemMapEntry ibex_memmap[] = {
[IBEX_DEV_RSTMGR] = { 0x40410000, 0x1000 },
[IBEX_DEV_CLKMGR] = { 0x40420000, 0x1000 },
[IBEX_DEV_PINMUX] = { 0x40460000, 0x1000 },
[IBEX_DEV_AON_TIMER] = { 0x40470000, 0x1000 },
[IBEX_DEV_SENSOR_CTRL] = { 0x40490000, 0x1000 },
[IBEX_DEV_FLASH_CTRL] = { 0x41000000, 0x1000 },
[IBEX_DEV_AES] = { 0x41100000, 0x1000 },
@ -272,6 +273,8 @@ static void lowrisc_ibex_soc_realize(DeviceState *dev_soc, Error **errp)
memmap[IBEX_DEV_CLKMGR].base, memmap[IBEX_DEV_CLKMGR].size);
create_unimplemented_device("riscv.lowrisc.ibex.pinmux",
memmap[IBEX_DEV_PINMUX].base, memmap[IBEX_DEV_PINMUX].size);
create_unimplemented_device("riscv.lowrisc.ibex.aon_timer",
memmap[IBEX_DEV_AON_TIMER].base, memmap[IBEX_DEV_AON_TIMER].size);
create_unimplemented_device("riscv.lowrisc.ibex.usbdev",
memmap[IBEX_DEV_USBDEV].base, memmap[IBEX_DEV_USBDEV].size);
create_unimplemented_device("riscv.lowrisc.ibex.flash_ctrl",

1
include/hw/riscv/opentitan.h
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@ -81,6 +81,7 @@ enum {
IBEX_DEV_RSTMGR,
IBEX_DEV_CLKMGR,
IBEX_DEV_PINMUX,
IBEX_DEV_AON_TIMER,
IBEX_DEV_USBDEV,
IBEX_DEV_FLASH_CTRL,
IBEX_DEV_PLIC,