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/*
* 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 aspeed_board_binfo = {
.board_id = -1, /* device-tree-only board */
.nb_cpus = 1,
};
typedef struct AspeedBoardState {
AspeedSoCState soc;
MemoryRegion ram;
} AspeedBoardState;
typedef struct AspeedBoardConfig {
const char *soc_name;
uint32_t hw_strap1;
} AspeedBoardConfig;
enum {
PALMETTO_BMC,
AST2500_EVB,
};
#define PALMETTO_BMC_HW_STRAP1 ( \
SCU_AST2400_HW_STRAP_DRAM_SIZE(DRAM_SIZE_256MB) | \
SCU_AST2400_HW_STRAP_DRAM_CONFIG(2 /* DDR3 with CL=6, CWL=5 */) | \
SCU_AST2400_HW_STRAP_ACPI_DIS | \
SCU_AST2400_HW_STRAP_SET_CLK_SOURCE(AST2400_CLK_48M_IN) | \
SCU_HW_STRAP_VGA_CLASS_CODE | \
SCU_HW_STRAP_LPC_RESET_PIN | \
SCU_HW_STRAP_SPI_MODE(SCU_HW_STRAP_SPI_M_S_EN) | \
SCU_AST2400_HW_STRAP_SET_CPU_AHB_RATIO(AST2400_CPU_AHB_RATIO_2_1) | \
SCU_HW_STRAP_SPI_WIDTH | \
SCU_HW_STRAP_VGA_SIZE_SET(VGA_16M_DRAM) | \
SCU_AST2400_HW_STRAP_BOOT_MODE(AST2400_SPI_BOOT))
#define AST2500_EVB_HW_STRAP1 (( \
AST2500_HW_STRAP1_DEFAULTS | \
SCU_AST2500_HW_STRAP_SPI_AUTOFETCH_ENABLE | \
SCU_AST2500_HW_STRAP_GPIO_STRAP_ENABLE | \
SCU_AST2500_HW_STRAP_UART_DEBUG | \
SCU_AST2500_HW_STRAP_DDR4_ENABLE | \
SCU_HW_STRAP_MAC1_RGMII | \
SCU_HW_STRAP_MAC0_RGMII) & \
~SCU_HW_STRAP_2ND_BOOT_WDT)
static const AspeedBoardConfig aspeed_boards[] = {
[PALMETTO_BMC] = { "ast2400-a0", PALMETTO_BMC_HW_STRAP1 },
[AST2500_EVB] = { "ast2500-a1", AST2500_EVB_HW_STRAP1 },
};
static void aspeed_board_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 aspeed_board_init(MachineState *machine,
const AspeedBoardConfig *cfg)
{
AspeedBoardState *bmc;
AspeedSoCClass *sc;
bmc = g_new0(AspeedBoardState, 1);
object_initialize(&bmc->soc, (sizeof(bmc->soc)), cfg->soc_name);
object_property_add_child(OBJECT(machine), "soc", OBJECT(&bmc->soc),
&error_abort);
sc = ASPEED_SOC_GET_CLASS(&bmc->soc);
object_property_set_int(OBJECT(&bmc->soc), ram_size, "ram-size",
&error_abort);
object_property_set_int(OBJECT(&bmc->soc), cfg->hw_strap1, "hw-strap1",
&error_abort);
object_property_set_bool(OBJECT(&bmc->soc), true, "realized",
&error_abort);
/*
* Allocate RAM after the memory controller has checked the size
* was valid. If not, a default value is used.
*/
ram_size = object_property_get_int(OBJECT(&bmc->soc), "ram-size",
&error_abort);
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);
aspeed_board_init_flashes(&bmc->soc.smc, "n25q256a", &error_abort);
aspeed_board_init_flashes(&bmc->soc.spi, "mx25l25635e", &error_abort);
aspeed_board_binfo.kernel_filename = machine->kernel_filename;
aspeed_board_binfo.initrd_filename = machine->initrd_filename;
aspeed_board_binfo.kernel_cmdline = machine->kernel_cmdline;
aspeed_board_binfo.ram_size = ram_size;
aspeed_board_binfo.loader_start = sc->info->sdram_base;
arm_load_kernel(ARM_CPU(first_cpu), &aspeed_board_binfo);
}
static void palmetto_bmc_init(MachineState *machine)
{
aspeed_board_init(machine, &aspeed_boards[PALMETTO_BMC]);
}
static void palmetto_bmc_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
mc->desc = "OpenPOWER Palmetto BMC (ARM926EJ-S)";
mc->init = palmetto_bmc_init;
mc->max_cpus = 1;
mc->no_sdcard = 1;
mc->no_floppy = 1;
mc->no_cdrom = 1;
mc->no_parallel = 1;
}
static const TypeInfo palmetto_bmc_type = {
.name = MACHINE_TYPE_NAME("palmetto-bmc"),
.parent = TYPE_MACHINE,
.class_init = palmetto_bmc_class_init,
};
static void ast2500_evb_init(MachineState *machine)
{
aspeed_board_init(machine, &aspeed_boards[AST2500_EVB]);
}
static void ast2500_evb_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
mc->desc = "Aspeed AST2500 EVB (ARM1176)";
mc->init = ast2500_evb_init;
mc->max_cpus = 1;
mc->no_sdcard = 1;
mc->no_floppy = 1;
mc->no_cdrom = 1;
mc->no_parallel = 1;
}
static const TypeInfo ast2500_evb_type = {
.name = MACHINE_TYPE_NAME("ast2500-evb"),
.parent = TYPE_MACHINE,
.class_init = ast2500_evb_class_init,
};
static void aspeed_machine_init(void)
{
type_register_static(&palmetto_bmc_type);
type_register_static(&ast2500_evb_type);
}
type_init(aspeed_machine_init)
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