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/*
* Copyright (c) 2013 Jean-Christophe Dubois <jcd@tribudubois.net>
*
* PDK Board System emulation.
*
* Based on hw/arm/kzm.c
*
* Copyright (c) 2008 OKL and 2011 NICTA
* Written by Hans at OK-Labs
* Updated by Peter Chubb.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "hw/arm/fsl-imx25.h"
#include "hw/boards.h"
#include "qemu/error-report.h"
#include "exec/address-spaces.h"
#include "sysemu/qtest.h"
#include "hw/i2c/i2c.h"
/* Memory map for PDK Emulation Baseboard:
* 0x00000000-0x7fffffff See i.MX25 SOC fr support
* 0x80000000-0x87ffffff RAM + Alias EMULATED
* 0x90000000-0x9fffffff RAM + Alias EMULATED
* 0xa0000000-0xa7ffffff Flash IGNORED
* 0xa8000000-0xafffffff Flash IGNORED
* 0xb0000000-0xb1ffffff SRAM IGNORED
* 0xb2000000-0xb3ffffff SRAM IGNORED
* 0xb4000000-0xb5ffffff CS4 IGNORED
* 0xb6000000-0xb8000fff Reserved IGNORED
* 0xb8001000-0xb8001fff SDRAM CTRL reg IGNORED
* 0xb8002000-0xb8002fff WEIM CTRL reg IGNORED
* 0xb8003000-0xb8003fff M3IF CTRL reg IGNORED
* 0xb8004000-0xb8004fff EMI CTRL reg IGNORED
* 0xb8005000-0xbaffffff Reserved IGNORED
* 0xbb000000-0xbb000fff NAND flash area buf IGNORED
* 0xbb001000-0xbb0011ff NAND flash reserved IGNORED
* 0xbb001200-0xbb001dff Reserved IGNORED
* 0xbb001e00-0xbb001fff NAN flash CTRL reg IGNORED
* 0xbb012000-0xbfffffff Reserved IGNORED
* 0xc0000000-0xffffffff Reserved IGNORED
*/
typedef struct IMX25PDK {
FslIMX25State soc;
MemoryRegion ram;
MemoryRegion ram_alias;
} IMX25PDK;
static struct arm_boot_info imx25_pdk_binfo;
static void imx25_pdk_init(MachineState *machine)
{
IMX25PDK *s = g_new0(IMX25PDK, 1);
Error *err = NULL;
unsigned int ram_size;
unsigned int alias_offset;
int i;
object_initialize(&s->soc, sizeof(s->soc), TYPE_FSL_IMX25);
object_property_add_child(OBJECT(machine), "soc", OBJECT(&s->soc),
&error_abort);
object_property_set_bool(OBJECT(&s->soc), true, "realized", &err);
if (err != NULL) {
error_report_err(err);
exit(1);
}
/* We need to initialize our memory */
if (machine->ram_size > (FSL_IMX25_SDRAM0_SIZE + FSL_IMX25_SDRAM1_SIZE)) {
error_report("WARNING: RAM size " RAM_ADDR_FMT " above max supported, "
"reduced to %x", machine->ram_size,
FSL_IMX25_SDRAM0_SIZE + FSL_IMX25_SDRAM1_SIZE);
machine->ram_size = FSL_IMX25_SDRAM0_SIZE + FSL_IMX25_SDRAM1_SIZE;
}
memory_region_allocate_system_memory(&s->ram, NULL, "imx25.ram",
machine->ram_size);
memory_region_add_subregion(get_system_memory(), FSL_IMX25_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_IMX25_SDRAM0_ADDR, FSL_IMX25_SDRAM0_SIZE },
{ FSL_IMX25_SDRAM1_ADDR, FSL_IMX25_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;
}
imx25_pdk_binfo.ram_size = machine->ram_size;
imx25_pdk_binfo.kernel_filename = machine->kernel_filename;
imx25_pdk_binfo.kernel_cmdline = machine->kernel_cmdline;
imx25_pdk_binfo.initrd_filename = machine->initrd_filename;
imx25_pdk_binfo.loader_start = FSL_IMX25_SDRAM0_ADDR;
imx25_pdk_binfo.board_id = 1771,
imx25_pdk_binfo.nb_cpus = 1;
/*
* We test explicitly for qtest here as it is not done (yet?) in
* arm_load_kernel(). Without this the "make check" command would
* fail.
*/
if (!qtest_enabled()) {
arm_load_kernel(&s->soc.cpu, &imx25_pdk_binfo);
} else {
/*
* This I2C device doesn't exist on the real board.
* We add it here (only on qtest usage) to be able to do a bit
* of simple qtest. See "make check" for details.
*/
i2c_create_slave((I2CBus *)qdev_get_child_bus(DEVICE(&s->soc.i2c[0]),
"i2c"),
"ds1338", 0x68);
}
}
static void imx25_pdk_machine_init(MachineClass *mc)
{
mc->desc = "ARM i.MX25 PDK board (ARM926)";
mc->init = imx25_pdk_init;
}
DEFINE_MACHINE("imx25-pdk", imx25_pdk_machine_init)
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