On 4/24/25 09:51, Jamin Lin wrote:
> Introduce a new vbootrom memory region. The region is mapped at address
> "0x00000000" and has a size of 128KB, identical to the SRAM region size.
> This memory region is intended for loading a vbootrom image file as part of the
> boot process.
>
> The vbootrom registered in the SoC's address space using the ASPEED_DEV_VBOOTROM
> index.
>
> Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
> Reviewed-by: Nabih Estefan <nabihestefan@google.com>
> Tested-by: Nabih Estefan <nabihestefan@google.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Thanks,
C.
> ---
> include/hw/arm/aspeed_soc.h | 2 ++
> hw/arm/aspeed_ast27x0.c | 9 +++++++++
> 2 files changed, 11 insertions(+)
>
> diff --git a/include/hw/arm/aspeed_soc.h b/include/hw/arm/aspeed_soc.h
> index f069d17d16..b4b23d693d 100644
> --- a/include/hw/arm/aspeed_soc.h
> +++ b/include/hw/arm/aspeed_soc.h
> @@ -59,6 +59,7 @@ struct AspeedSoCState {
> MemoryRegion sram;
> MemoryRegion spi_boot_container;
> MemoryRegion spi_boot;
> + MemoryRegion vbootrom;
> AddressSpace dram_as;
> AspeedRtcState rtc;
> AspeedTimerCtrlState timerctrl;
> @@ -169,6 +170,7 @@ struct AspeedSoCClass {
> const char *aspeed_soc_cpu_type(AspeedSoCClass *sc);
>
> enum {
> + ASPEED_DEV_VBOOTROM,
> ASPEED_DEV_SPI_BOOT,
> ASPEED_DEV_IOMEM,
> ASPEED_DEV_UART0,
> diff --git a/hw/arm/aspeed_ast27x0.c b/hw/arm/aspeed_ast27x0.c
> index b05ed75ff4..968dfa5526 100644
> --- a/hw/arm/aspeed_ast27x0.c
> +++ b/hw/arm/aspeed_ast27x0.c
> @@ -24,6 +24,7 @@
> #include "qemu/log.h"
>
> static const hwaddr aspeed_soc_ast2700_memmap[] = {
> + [ASPEED_DEV_VBOOTROM] = 0x00000000,
> [ASPEED_DEV_SRAM] = 0x10000000,
> [ASPEED_DEV_HACE] = 0x12070000,
> [ASPEED_DEV_EMMC] = 0x12090000,
> @@ -657,6 +658,14 @@ static void aspeed_soc_ast2700_realize(DeviceState *dev, Error **errp)
> memory_region_add_subregion(s->memory,
> sc->memmap[ASPEED_DEV_SRAM], &s->sram);
>
> + /* VBOOTROM */
> + if (!memory_region_init_ram(&s->vbootrom, OBJECT(s), "aspeed.vbootrom",
> + 0x20000, errp)) {
> + return;
> + }
> + memory_region_add_subregion(s->memory,
> + sc->memmap[ASPEED_DEV_VBOOTROM], &s->vbootrom);
> +
> /* SCU */
> if (!sysbus_realize(SYS_BUS_DEVICE(&s->scu), errp)) {
> return;