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-rw-r--r--qemu/hw/arm/imx25_pdk.c153
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diff --git a/qemu/hw/arm/imx25_pdk.c b/qemu/hw/arm/imx25_pdk.c
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+++ b/qemu/hw/arm/imx25_pdk.c
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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 "qemu/osdep.h"
+#include "qapi/error.h"
+#include "qemu-common.h"
+#include "cpu.h"
+#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);
+ 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", &error_fatal);
+
+ /* 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)