From d9e9cd59df4bc92e4cf7ad1bfa6e2a8429ff31b4 Mon Sep 17 00:00:00 2001 From: Troy Lee Date: Fri, 7 Jan 2022 17:07:57 +0000 Subject: [PATCH] Add dummy Aspeed AST2600 Display Port MCU (DPMCU) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit AST2600 Display Port MCU introduces 0x18000000~0x1803FFFF as it's memory and io address. If guest machine try to access DPMCU memory, it will cause a fatal error. Signed-off-by: Troy Lee Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Cédric Le Goater Message-id: 20211210083034.726610-1-troy_lee@aspeedtech.com Signed-off-by: Peter Maydell --- hw/arm/aspeed_ast2600.c | 8 ++++++++ include/hw/arm/aspeed_soc.h | 2 ++ 2 files changed, 10 insertions(+) diff --git a/hw/arm/aspeed_ast2600.c b/hw/arm/aspeed_ast2600.c index 0384357a95..e33483fb5d 100644 --- a/hw/arm/aspeed_ast2600.c +++ b/hw/arm/aspeed_ast2600.c @@ -19,9 +19,11 @@ #include "sysemu/sysemu.h" #define ASPEED_SOC_IOMEM_SIZE 0x00200000 +#define ASPEED_SOC_DPMCU_SIZE 0x00040000 static const hwaddr aspeed_soc_ast2600_memmap[] = { [ASPEED_DEV_SRAM] = 0x10000000, + [ASPEED_DEV_DPMCU] = 0x18000000, /* 0x16000000 0x17FFFFFF : AHB BUS do LPC Bus bridge */ [ASPEED_DEV_IOMEM] = 0x1E600000, [ASPEED_DEV_PWM] = 0x1E610000, @@ -44,6 +46,7 @@ static const hwaddr aspeed_soc_ast2600_memmap[] = { [ASPEED_DEV_SCU] = 0x1E6E2000, [ASPEED_DEV_XDMA] = 0x1E6E7000, [ASPEED_DEV_ADC] = 0x1E6E9000, + [ASPEED_DEV_DP] = 0x1E6EB000, [ASPEED_DEV_VIDEO] = 0x1E700000, [ASPEED_DEV_SDHCI] = 0x1E740000, [ASPEED_DEV_EMMC] = 0x1E750000, @@ -104,6 +107,7 @@ static const int aspeed_soc_ast2600_irqmap[] = { [ASPEED_DEV_ETH3] = 32, [ASPEED_DEV_ETH4] = 33, [ASPEED_DEV_KCS] = 138, /* 138 -> 142 */ + [ASPEED_DEV_DP] = 62, }; static qemu_irq aspeed_soc_get_irq(AspeedSoCState *s, int ctrl) @@ -298,6 +302,10 @@ static void aspeed_soc_ast2600_realize(DeviceState *dev, Error **errp) memory_region_add_subregion(get_system_memory(), sc->memmap[ASPEED_DEV_SRAM], &s->sram); + /* DPMCU */ + create_unimplemented_device("aspeed.dpmcu", sc->memmap[ASPEED_DEV_DPMCU], + ASPEED_SOC_DPMCU_SIZE); + /* SCU */ if (!sysbus_realize(SYS_BUS_DEVICE(&s->scu), errp)) { return; diff --git a/include/hw/arm/aspeed_soc.h b/include/hw/arm/aspeed_soc.h index 8139358549..18fb7eed46 100644 --- a/include/hw/arm/aspeed_soc.h +++ b/include/hw/arm/aspeed_soc.h @@ -139,6 +139,8 @@ enum { ASPEED_DEV_EMMC, ASPEED_DEV_KCS, ASPEED_DEV_HACE, + ASPEED_DEV_DPMCU, + ASPEED_DEV_DP, }; #endif /* ASPEED_SOC_H */