mirror of
https://github.com/xemu-project/xemu.git
synced 2024-11-24 20:19:44 +00:00
e1ad9bc405
A set of SPI flash slaves is attached under the flash controllers of the palmetto platform. "n25q256a" flash modules are used for the BMC and "mx25l25635e" for the host. These types are common in the OpenPower ecosystem. Signed-off-by: Cédric Le Goater <clg@kaod.org> Message-id: 1467138270-32481-9-git-send-email-clg@kaod.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
103 lines
3.1 KiB
C
103 lines
3.1 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/ast2400.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 = {
|
|
.loader_start = AST2400_SDRAM_BASE,
|
|
.board_id = 0,
|
|
.nb_cpus = 1,
|
|
};
|
|
|
|
typedef struct PalmettoBMCState {
|
|
AST2400State 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;
|
|
|
|
bmc = g_new0(PalmettoBMCState, 1);
|
|
object_initialize(&bmc->soc, (sizeof(bmc->soc)), TYPE_AST2400);
|
|
object_property_add_child(OBJECT(machine), "soc", OBJECT(&bmc->soc),
|
|
&error_abort);
|
|
|
|
memory_region_allocate_system_memory(&bmc->ram, NULL, "ram", ram_size);
|
|
memory_region_add_subregion(get_system_memory(), AST2400_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;
|
|
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);
|