On Mon, Mar 21, 2022 at 7:59 PM Jamin Lin <jamin_...@aspeedtech.com> wrote:
> From: Steven Lee <steven_...@aspeedtech.com>
>
> The image should be supplied with ELF binary.
> $ qemu-system-arm -M ast1030-evb -kernel zephyr.elf -nographic
>
> Signed-off-by: Troy Lee <troy_...@aspeedtech.com>
> Signed-off-by: Jamin Lin <jamin_...@aspeedtech.com>
> Signed-off-by: Steven Lee <steven_...@aspeedtech.com>
>
Reviewed-by: Patrick Venture <vent...@google.com>
> ---
> hw/arm/aspeed.c | 2 +-
> hw/arm/aspeed_minibmc.c | 129 ++++++++++++++++++++++++++++++++++++++++
> hw/arm/meson.build | 3 +-
> include/hw/arm/aspeed.h | 25 ++++++++
> 4 files changed, 157 insertions(+), 2 deletions(-)
> create mode 100644 hw/arm/aspeed_minibmc.c
>
> diff --git a/hw/arm/aspeed.c b/hw/arm/aspeed.c
> index d205384d98..e5a2e59aef 100644
> --- a/hw/arm/aspeed.c
> +++ b/hw/arm/aspeed.c
> @@ -276,7 +276,7 @@ static void write_boot_rom(DriveInfo *dinfo, hwaddr
> addr, size_t rom_size,
> rom_add_blob_fixed("aspeed.boot_rom", storage, rom_size, addr);
> }
>
> -static void aspeed_board_init_flashes(AspeedSMCState *s, const char
> *flashtype,
> +void aspeed_board_init_flashes(AspeedSMCState *s, const char *flashtype,
> unsigned int count, int unit0)
> {
> int i;
> diff --git a/hw/arm/aspeed_minibmc.c b/hw/arm/aspeed_minibmc.c
> new file mode 100644
> index 0000000000..6a29475919
> --- /dev/null
> +++ b/hw/arm/aspeed_minibmc.c
> @@ -0,0 +1,129 @@
> +/*
> + * ASPEED AST1030 SoC
> + *
> + * Copyright (C) 2022 ASPEED Technology Inc.
> + *
> + * This code is licensed under the GPL version 2 or later. See
> + * the COPYING file in the top-level directory.
> + */
> +
> +#include "qemu/osdep.h"
> +#include "qapi/error.h"
> +#include "hw/boards.h"
> +#include "hw/qdev-properties.h"
> +#include "hw/qdev-clock.h"
> +#include "qemu/error-report.h"
> +#include "hw/arm/aspeed.h"
> +#include "hw/arm/aspeed_soc.h"
> +#include "hw/arm/boot.h"
> +#include "hw/i2c/smbus_eeprom.h"
> +#include "hw/sensor/tmp105.h"
> +
> +#define AST1030_INTERNAL_FLASH_SIZE (1024 * 1024)
> +
> +struct AspeedMiniBmcMachineState {
> + /* Private */
> + MachineState parent_obj;
> + /* Public */
> +
> + AspeedSoCState soc;
> + MemoryRegion ram_container;
> + MemoryRegion max_ram;
> + bool mmio_exec;
> + char *fmc_model;
> + char *spi_model;
> +};
> +
> +/* Main SYSCLK frequency in Hz (200MHz) */
> +#define SYSCLK_FRQ 200000000ULL
> +
> +static void aspeed_minibmc_machine_ast1030_evb_class_init(ObjectClass *oc,
> + void *data)
> +{
> + MachineClass *mc = MACHINE_CLASS(oc);
> + AspeedMiniBmcMachineClass *amc = ASPEED_MINIBMC_MACHINE_CLASS(oc);
> +
> + mc->desc = "Aspeed AST1030 MiniBMC (Cortex-M4)";
> + amc->soc_name = "ast1030-a1";
> + amc->hw_strap1 = 0;
> + amc->hw_strap2 = 0;
> + mc->default_ram_size = 0;
> + mc->default_cpus = mc->min_cpus = mc->max_cpus = 1;
> + amc->fmc_model = "sst25vf032b";
> + amc->spi_model = "sst25vf032b";
> + amc->num_cs = 2;
> +}
> +
> +static void ast1030_machine_instance_init(Object *obj)
> +{
> + ASPEED_MINIBMC_MACHINE(obj)->mmio_exec = false;
> +}
> +
> +static void aspeed_minibmc_machine_init(MachineState *machine)
> +{
> + AspeedMiniBmcMachineState *bmc = ASPEED_MINIBMC_MACHINE(machine);
> + AspeedMiniBmcMachineClass *amc =
> ASPEED_MINIBMC_MACHINE_GET_CLASS(machine);
> + Clock *sysclk;
> +
> + sysclk = clock_new(OBJECT(machine), "SYSCLK");
> + clock_set_hz(sysclk, SYSCLK_FRQ);
> +
> + object_initialize_child(OBJECT(machine), "soc", &bmc->soc,
> amc->soc_name);
> + qdev_connect_clock_in(DEVICE(&bmc->soc), "sysclk", sysclk);
> +
> + qdev_prop_set_uint32(DEVICE(&bmc->soc), "uart-default",
> + amc->uart_default);
> + qdev_realize(DEVICE(&bmc->soc), NULL, &error_abort);
> +
> + aspeed_board_init_flashes(&bmc->soc.fmc,
> + bmc->fmc_model ? bmc->fmc_model :
> amc->fmc_model,
> + amc->num_cs,
> + 0);
> +
> + aspeed_board_init_flashes(&bmc->soc.spi[0],
> + bmc->spi_model ? bmc->spi_model :
> amc->spi_model,
> + amc->num_cs, amc->num_cs);
> +
> + aspeed_board_init_flashes(&bmc->soc.spi[1],
> + bmc->spi_model ? bmc->spi_model :
> amc->spi_model,
> + amc->num_cs, (amc->num_cs * 2));
> +
> + if (amc->i2c_init) {
> + amc->i2c_init(bmc);
> + }
> +
> + armv7m_load_kernel(ARM_CPU(first_cpu),
> + machine->kernel_filename,
> + AST1030_INTERNAL_FLASH_SIZE);
> +}
> +
> +static void aspeed_minibmc_machine_class_init(ObjectClass *oc, void *data)
> +{
> + MachineClass *mc = MACHINE_CLASS(oc);
> + AspeedMiniBmcMachineClass *amc = ASPEED_MINIBMC_MACHINE_CLASS(oc);
> +
> + mc->init = aspeed_minibmc_machine_init;
> + mc->no_floppy = 1;
> + mc->no_cdrom = 1;
> + mc->no_parallel = 1;
> + mc->default_ram_id = "ram";
> + amc->uart_default = ASPEED_DEV_UART5;
> +}
> +
> +static const TypeInfo aspeed_minibmc_machine_types[] = {
> + {
> + .name = MACHINE_TYPE_NAME("ast1030-evb"),
> + .parent = TYPE_ASPEED_MINIBMC_MACHINE,
> + .class_init = aspeed_minibmc_machine_ast1030_evb_class_init,
> + }, {
> + .name = TYPE_ASPEED_MINIBMC_MACHINE,
> + .parent = TYPE_MACHINE,
> + .instance_size = sizeof(AspeedMiniBmcMachineState),
> + .instance_init = ast1030_machine_instance_init,
> + .class_size = sizeof(AspeedMiniBmcMachineClass),
> + .class_init = aspeed_minibmc_machine_class_init,
> + .abstract = true,
> + }
> +};
> +
> +DEFINE_TYPES(aspeed_minibmc_machine_types)
> diff --git a/hw/arm/meson.build b/hw/arm/meson.build
> index 362868c1a0..0431ca2948 100644
> --- a/hw/arm/meson.build
> +++ b/hw/arm/meson.build
> @@ -52,7 +52,8 @@ arm_ss.add(when: 'CONFIG_ASPEED_SOC', if_true: files(
> 'aspeed_soc.c',
> 'aspeed.c',
> 'aspeed_ast2600.c',
> - 'aspeed_ast1030.c'
> + 'aspeed_ast1030.c',
> + 'aspeed_minibmc.c'
> ))
> arm_ss.add(when: 'CONFIG_MPS2', if_true: files('mps2.c'))
> arm_ss.add(when: 'CONFIG_MPS2', if_true: files('mps2-tz.c'))
> diff --git a/include/hw/arm/aspeed.h b/include/hw/arm/aspeed.h
> index cbeacb214c..7050366e64 100644
> --- a/include/hw/arm/aspeed.h
> +++ b/include/hw/arm/aspeed.h
> @@ -11,14 +11,21 @@
>
> #include "hw/boards.h"
> #include "qom/object.h"
> +#include "hw/ssi/aspeed_smc.h"
>
> typedef struct AspeedMachineState AspeedMachineState;
> +typedef struct AspeedMiniBmcMachineState AspeedMiniBmcMachineState;
>
> #define TYPE_ASPEED_MACHINE MACHINE_TYPE_NAME("aspeed")
> +#define TYPE_ASPEED_MINIBMC_MACHINE MACHINE_TYPE_NAME("aspeed-minibmc")
> typedef struct AspeedMachineClass AspeedMachineClass;
> DECLARE_OBJ_CHECKERS(AspeedMachineState, AspeedMachineClass,
> ASPEED_MACHINE, TYPE_ASPEED_MACHINE)
>
> +typedef struct AspeedMiniBmcMachineClass AspeedMiniBmcMachineClass;
> +DECLARE_OBJ_CHECKERS(AspeedMiniBmcMachineState, AspeedMiniBmcMachineClass,
> + ASPEED_MINIBMC_MACHINE, TYPE_ASPEED_MINIBMC_MACHINE)
> +
> #define ASPEED_MAC0_ON (1 << 0)
> #define ASPEED_MAC1_ON (1 << 1)
> #define ASPEED_MAC2_ON (1 << 2)
> @@ -41,5 +48,23 @@ struct AspeedMachineClass {
> uint32_t uart_default;
> };
>
> +struct AspeedMiniBmcMachineClass {
> + MachineClass parent_obj;
> +
> + const char *name;
> + const char *desc;
> + const char *soc_name;
> + uint32_t hw_strap1;
> + uint32_t hw_strap2;
> + const char *fmc_model;
> + const char *spi_model;
> + uint32_t num_cs;
> + uint32_t macs_mask;
> + void (*i2c_init)(AspeedMiniBmcMachineState *bmc);
> + uint32_t uart_default;
> +};
> +
> +void aspeed_board_init_flashes(AspeedSMCState *s, const char *flashtype,
> + unsigned int count, int unit0);
>
> #endif
> --
> 2.17.1
>
>
>
