mirror of https://gitee.com/openkylin/qemu.git
107 lines
3.3 KiB
C
107 lines
3.3 KiB
C
|
/*
|
||
|
|
* 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);
|