aspeed: Add an AST1030 eval board

The image should be supplied with ELF binary.
$ qemu-system-arm -M ast1030-evb -kernel zephyr.elf -nographic

Signed-off-by: Troy Lee <troy_lee@aspeedtech.com>
Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Signed-off-by: Steven Lee <steven_lee@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20220401083850.15266-9-jamin_lin@aspeedtech.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>

hw/arm/aspeed.c

@@ -24,6 +24,7 @@
 #include "hw/loader.h"
 #include "qemu/error-report.h"
 #include "qemu/units.h"
+#include "hw/qdev-clock.h"
 
 static struct arm_boot_info aspeed_board_binfo = {
     .board_id = -1, /* device-tree-only board */
@@ -1292,6 +1293,67 @@ static void aspeed_machine_bletchley_class_init(ObjectClass *oc, void *data)
         aspeed_soc_num_cpus(amc->soc_name);
 }
 
+#define AST1030_INTERNAL_FLASH_SIZE (1024 * 1024)
+/* Main SYSCLK frequency in Hz (200MHz) */
+#define SYSCLK_FRQ 200000000ULL
+
+static void aspeed_minibmc_machine_init(MachineState *machine)
+{
+    AspeedMachineState *bmc = ASPEED_MACHINE(machine);
+    AspeedMachineClass *amc = ASPEED_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_ast1030_evb_class_init(ObjectClass *oc,
+                                                          void *data)
+{
+    MachineClass *mc = MACHINE_CLASS(oc);
+    AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);
+
+    mc->desc = "Aspeed AST1030 MiniBMC (Cortex-M4)";
+    amc->soc_name = "ast1030-a1";
+    amc->hw_strap1 = 0;
+    amc->hw_strap2 = 0;
+    mc->init = aspeed_minibmc_machine_init;
+    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;
+    amc->macs_mask = 0;
+}
+
 static const TypeInfo aspeed_machine_types[] = {
     {
         .name          = MACHINE_TYPE_NAME("palmetto-bmc"),
@@ -1349,6 +1411,10 @@ static const TypeInfo aspeed_machine_types[] = {
         .name          = MACHINE_TYPE_NAME("bletchley-bmc"),
         .parent        = TYPE_ASPEED_MACHINE,
         .class_init    = aspeed_machine_bletchley_class_init,
+    }, {
+        .name           = MACHINE_TYPE_NAME("ast1030-evb"),
+        .parent         = TYPE_ASPEED_MACHINE,
+        .class_init     = aspeed_minibmc_machine_ast1030_evb_class_init,
     }, {
         .name          = TYPE_ASPEED_MACHINE,
         .parent        = TYPE_MACHINE,