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aspeed: ast27x0: Map unimplemented devices in SoC memory

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Maps following unimplemented devices in SoC memory
- dpmcu
- iomem
- iomem0
- iomem1
- ltpi

Iomem, Iomem0 and Iomem1 include unimplemented controllers in the memory ranges 0x0 - 0x1000000, 0x120000000 - 0x121000000 and
0x14000000 - 0x141000000.

For instance:
- USB hub at 0x12010000
- eSPI at 0x14C5000
- PWM at 0x140C0000

DPMCU stands for Display Port MCU controller. LTPI is used to connect to AST1700.
AST1700 is an I/O expander that supports the DC-SCM 2.1 LTPI protocol.
It provides AST2700 with additional GPIO, UART, I3C, and other interfaces.

Signed-off-by: Steven Lee <steven_lee@aspeedtech.com>
Change-Id: Iae4db49a4818af3e2c43c16a27fc76329d2405d6
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/qemu-devel/20250502103449.3091642-2-steven_lee@aspeedtech.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
This commit is contained in:
Steven Lee 2025-05-02 18:34:37 +08:00 • committed by Cédric Le Goater
parent d2b857ef9a
commit 91064bea6b
2 changed files with 51 additions and 7 deletions
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6
include/hw/arm/aspeed_soc.h
View file

@ -91,6 +91,8 @@ struct AspeedSoCState {
SerialMM uart[ASPEED_UARTS_NUM];
Clock *sysclk;
UnimplementedDeviceState iomem;
UnimplementedDeviceState iomem0;
UnimplementedDeviceState iomem1;
UnimplementedDeviceState video;
UnimplementedDeviceState emmc_boot_controller;
UnimplementedDeviceState dpmcu;
@ -98,6 +100,7 @@ struct AspeedSoCState {
UnimplementedDeviceState espi;
UnimplementedDeviceState udc;
UnimplementedDeviceState sgpiom;
UnimplementedDeviceState ltpi;
UnimplementedDeviceState jtag[ASPEED_JTAG_NUM];
AspeedAPB2OPBState fsi[2];
};
@ -173,6 +176,9 @@ enum {
ASPEED_DEV_VBOOTROM,
ASPEED_DEV_SPI_BOOT,
ASPEED_DEV_IOMEM,
ASPEED_DEV_IOMEM0,
ASPEED_DEV_IOMEM1,
ASPEED_DEV_LTPI,
ASPEED_DEV_UART0,
ASPEED_DEV_UART1,
ASPEED_DEV_UART2,