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-rw-r--r--hw/arm/aspeed.c106
1 files changed, 106 insertions, 0 deletions
diff --git a/hw/arm/aspeed.c b/hw/arm/aspeed.c
new file mode 100644
index 0000000000..43191210f3
--- /dev/null
+++ b/hw/arm/aspeed.c
@@ -0,0 +1,106 @@
+/*
+ * OpenPOWER Palmetto BMC
+ *
+ * Andrew Jeffery <andrew@aj.id.au>
+ *
+ * Copyright 2016 IBM Corp.
+ *
+ * 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 "qemu-common.h"
+#include "cpu.h"
+#include "exec/address-spaces.h"
+#include "hw/arm/arm.h"
+#include "hw/arm/aspeed_soc.h"
+#include "hw/boards.h"
+#include "qemu/log.h"
+#include "sysemu/block-backend.h"
+#include "sysemu/blockdev.h"
+
+static struct arm_boot_info palmetto_bmc_binfo = {
+ .board_id = -1, /* device-tree-only board */
+ .nb_cpus = 1,
+};
+
+typedef struct PalmettoBMCState {
+ AspeedSoCState soc;
+ MemoryRegion ram;
+} PalmettoBMCState;
+
+static void palmetto_bmc_init_flashes(AspeedSMCState *s, const char *flashtype,
+ Error **errp)
+{
+ int i ;
+
+ for (i = 0; i < s->num_cs; ++i) {
+ AspeedSMCFlash *fl = &s->flashes[i];
+ DriveInfo *dinfo = drive_get_next(IF_MTD);
+ qemu_irq cs_line;
+
+ /*
+ * FIXME: check that we are not using a flash module exceeding
+ * the controller segment size
+ */
+ fl->flash = ssi_create_slave_no_init(s->spi, flashtype);
+ if (dinfo) {
+ qdev_prop_set_drive(fl->flash, "drive", blk_by_legacy_dinfo(dinfo),
+ errp);
+ }
+ qdev_init_nofail(fl->flash);
+
+ cs_line = qdev_get_gpio_in_named(fl->flash, SSI_GPIO_CS, 0);
+ sysbus_connect_irq(SYS_BUS_DEVICE(s), i + 1, cs_line);
+ }
+}
+
+static void palmetto_bmc_init(MachineState *machine)
+{
+ PalmettoBMCState *bmc;
+ AspeedSoCClass *sc;
+
+ bmc = g_new0(PalmettoBMCState, 1);
+ object_initialize(&bmc->soc, (sizeof(bmc->soc)), "ast2400-a0");
+ object_property_add_child(OBJECT(machine), "soc", OBJECT(&bmc->soc),
+ &error_abort);
+
+ sc = ASPEED_SOC_GET_CLASS(&bmc->soc);
+
+ memory_region_allocate_system_memory(&bmc->ram, NULL, "ram", ram_size);
+ memory_region_add_subregion(get_system_memory(), sc->info->sdram_base,
+ &bmc->ram);
+ object_property_add_const_link(OBJECT(&bmc->soc), "ram", OBJECT(&bmc->ram),
+ &error_abort);
+ object_property_set_int(OBJECT(&bmc->soc), 0x120CE416, "hw-strap1",
+ &error_abort);
+ object_property_set_bool(OBJECT(&bmc->soc), true, "realized",
+ &error_abort);
+
+ palmetto_bmc_init_flashes(&bmc->soc.smc, "n25q256a", &error_abort);
+ palmetto_bmc_init_flashes(&bmc->soc.spi, "mx25l25635e", &error_abort);
+
+ palmetto_bmc_binfo.kernel_filename = machine->kernel_filename;
+ palmetto_bmc_binfo.initrd_filename = machine->initrd_filename;
+ palmetto_bmc_binfo.kernel_cmdline = machine->kernel_cmdline;
+ palmetto_bmc_binfo.ram_size = ram_size;
+ palmetto_bmc_binfo.loader_start = sc->info->sdram_base;
+
+ arm_load_kernel(ARM_CPU(first_cpu), &palmetto_bmc_binfo);
+}
+
+static void palmetto_bmc_machine_init(MachineClass *mc)
+{
+ mc->desc = "OpenPOWER Palmetto BMC";
+ mc->init = palmetto_bmc_init;
+ mc->max_cpus = 1;
+ mc->no_sdcard = 1;
+ mc->no_floppy = 1;
+ mc->no_cdrom = 1;
+ mc->no_sdcard = 1;
+ mc->no_parallel = 1;
+}
+
+DEFINE_MACHINE("palmetto-bmc", palmetto_bmc_machine_init);