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/*
* KZM Board System emulation.
*
* Copyright (c) 2008 OKL and 2011 NICTA
* Written by Hans at OK-Labs
* Updated by Peter Chubb.
*
* This code is licensed under the GPL, version 2 or later.
* See the file `COPYING' in the top level directory.
*
* It (partially) emulates a Kyoto Microcomputer
* KZM-ARM11-01 evaluation board, with a Freescale
* i.MX31 SoC
*/
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "cpu.h"
#include "hw/arm/fsl-imx31.h"
#include "hw/boards.h"
#include "qemu/error-report.h"
#include "exec/address-spaces.h"
#include "net/net.h"
#include "hw/net/lan9118.h"
#include "hw/char/serial.h"
#include "sysemu/qtest.h"
/* Memory map for Kzm Emulation Baseboard:
* 0x00000000-0x7fffffff See i.MX31 SOC for support
* 0x80000000-0x8fffffff RAM EMULATED
* 0x90000000-0x9fffffff RAM EMULATED
* 0xa0000000-0xafffffff Flash IGNORED
* 0xb0000000-0xb3ffffff Unavailable IGNORED
* 0xb4000000-0xb4000fff 8-bit free space IGNORED
* 0xb4001000-0xb400100f Board control IGNORED
* 0xb4001003 DIP switch
* 0xb4001010-0xb400101f 7-segment LED IGNORED
* 0xb4001020-0xb400102f LED IGNORED
* 0xb4001030-0xb400103f LED IGNORED
* 0xb4001040-0xb400104f FPGA, UART EMULATED
* 0xb4001050-0xb400105f FPGA, UART EMULATED
* 0xb4001060-0xb40fffff FPGA IGNORED
* 0xb6000000-0xb61fffff LAN controller EMULATED
* 0xb6200000-0xb62fffff FPGA NAND Controller IGNORED
* 0xb6300000-0xb7ffffff Free IGNORED
* 0xb8000000-0xb8004fff Memory control registers IGNORED
* 0xc0000000-0xc3ffffff PCMCIA/CF IGNORED
* 0xc4000000-0xffffffff Reserved IGNORED
*/
typedef struct IMX31KZM {
FslIMX31State soc;
MemoryRegion ram;
MemoryRegion ram_alias;
} IMX31KZM;
#define KZM_RAM_ADDR (FSL_IMX31_SDRAM0_ADDR)
#define KZM_FPGA_ADDR (FSL_IMX31_CS4_ADDR + 0x1040)
#define KZM_LAN9118_ADDR (FSL_IMX31_CS5_ADDR)
static struct arm_boot_info kzm_binfo = {
.loader_start = KZM_RAM_ADDR,
.board_id = 1722,
};
static void kzm_init(MachineState *machine)
{
IMX31KZM *s = g_new0(IMX31KZM, 1);
unsigned int ram_size;
unsigned int alias_offset;
unsigned int i;
object_initialize_child(OBJECT(machine), "soc", &s->soc, sizeof(s->soc),
TYPE_FSL_IMX31, &error_abort, NULL);
object_property_set_bool(OBJECT(&s->soc), true, "realized", &error_fatal);
/* Check the amount of memory is compatible with the SOC */
if (machine->ram_size > (FSL_IMX31_SDRAM0_SIZE + FSL_IMX31_SDRAM1_SIZE)) {
warn_report("RAM size " RAM_ADDR_FMT " above max supported, "
"reduced to %x", machine->ram_size,
FSL_IMX31_SDRAM0_SIZE + FSL_IMX31_SDRAM1_SIZE);
machine->ram_size = FSL_IMX31_SDRAM0_SIZE + FSL_IMX31_SDRAM1_SIZE;
}
memory_region_allocate_system_memory(&s->ram, NULL, "kzm.ram",
machine->ram_size);
memory_region_add_subregion(get_system_memory(), FSL_IMX31_SDRAM0_ADDR,
&s->ram);
/* initialize the alias memory if any */
for (i = 0, ram_size = machine->ram_size, alias_offset = 0;
(i < 2) && ram_size; i++) {
unsigned int size;
static const struct {
hwaddr addr;
unsigned int size;
} ram[2] = {
{ FSL_IMX31_SDRAM0_ADDR, FSL_IMX31_SDRAM0_SIZE },
{ FSL_IMX31_SDRAM1_ADDR, FSL_IMX31_SDRAM1_SIZE },
};
size = MIN(ram_size, ram[i].size);
ram_size -= size;
if (size < ram[i].size) {
memory_region_init_alias(&s->ram_alias, NULL, "ram.alias",
&s->ram, alias_offset, ram[i].size - size);
memory_region_add_subregion(get_system_memory(),
ram[i].addr + size, &s->ram_alias);
}
alias_offset += ram[i].size;
}
if (nd_table[0].used) {
lan9118_init(&nd_table[0], KZM_LAN9118_ADDR,
qdev_get_gpio_in(DEVICE(&s->soc.avic), 52));
}
if (serial_hd(2)) { /* touchscreen */
serial_mm_init(get_system_memory(), KZM_FPGA_ADDR+0x10, 0,
qdev_get_gpio_in(DEVICE(&s->soc.avic), 52),
14745600, serial_hd(2), DEVICE_NATIVE_ENDIAN);
}
kzm_binfo.ram_size = machine->ram_size;
kzm_binfo.kernel_filename = machine->kernel_filename;
kzm_binfo.kernel_cmdline = machine->kernel_cmdline;
kzm_binfo.initrd_filename = machine->initrd_filename;
kzm_binfo.nb_cpus = 1;
if (!qtest_enabled()) {
arm_load_kernel(&s->soc.cpu, &kzm_binfo);
}
}
static void kzm_machine_init(MachineClass *mc)
{
mc->desc = "ARM KZM Emulation Baseboard (ARM1136)";
mc->init = kzm_init;
mc->ignore_memory_transaction_failures = true;
}
DEFINE_MACHINE("kzm", kzm_machine_init)
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