i.MX: Add SOC support for i.MX31
For now we support the following devices:
* CPU: ARM1136
* Interrupt Controller: AVIC
* CCM
* UART x 2
* EPIT x 2
* GPT
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: f146d819594e41568daec42a1d0f440cdfe3df76.1441057361.git.jcd@tribudubois.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
diff --git a/hw/arm/fsl-imx31.c b/hw/arm/fsl-imx31.c
new file mode 100644
index 0000000..1681ecf
--- /dev/null
+++ b/hw/arm/fsl-imx31.c
@@ -0,0 +1,216 @@
+/*
+ * Copyright (c) 2013 Jean-Christophe Dubois <jcd@tribudubois.net>
+ *
+ * i.MX31 SOC emulation.
+ *
+ * Based on hw/arm/fsl-imx31.c
+ *
+ * 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-imx31.h"
+#include "sysemu/sysemu.h"
+#include "exec/address-spaces.h"
+#include "hw/boards.h"
+#include "sysemu/char.h"
+
+static void fsl_imx31_init(Object *obj)
+{
+ FslIMX31State *s = FSL_IMX31(obj);
+ int i;
+
+ object_initialize(&s->cpu, sizeof(s->cpu), "arm1136-" TYPE_ARM_CPU);
+
+ object_initialize(&s->avic, sizeof(s->avic), TYPE_IMX_AVIC);
+ qdev_set_parent_bus(DEVICE(&s->avic), sysbus_get_default());
+
+ object_initialize(&s->ccm, sizeof(s->ccm), TYPE_IMX_CCM);
+ qdev_set_parent_bus(DEVICE(&s->ccm), sysbus_get_default());
+
+ for (i = 0; i < FSL_IMX31_NUM_UARTS; i++) {
+ object_initialize(&s->uart[i], sizeof(s->uart[i]), TYPE_IMX_SERIAL);
+ qdev_set_parent_bus(DEVICE(&s->uart[i]), sysbus_get_default());
+ }
+
+ object_initialize(&s->gpt, sizeof(s->gpt), TYPE_IMX_GPT);
+ qdev_set_parent_bus(DEVICE(&s->gpt), sysbus_get_default());
+
+ for (i = 0; i < FSL_IMX31_NUM_EPITS; i++) {
+ object_initialize(&s->epit[i], sizeof(s->epit[i]), TYPE_IMX_EPIT);
+ qdev_set_parent_bus(DEVICE(&s->epit[i]), sysbus_get_default());
+ }
+}
+
+static void fsl_imx31_realize(DeviceState *dev, Error **errp)
+{
+ FslIMX31State *s = FSL_IMX31(dev);
+ uint16_t i;
+ Error *err = NULL;
+
+ object_property_set_bool(OBJECT(&s->cpu), true, "realized", &err);
+ if (err) {
+ error_propagate(errp, err);
+ return;
+ }
+
+ object_property_set_bool(OBJECT(&s->avic), true, "realized", &err);
+ if (err) {
+ error_propagate(errp, err);
+ return;
+ }
+ sysbus_mmio_map(SYS_BUS_DEVICE(&s->avic), 0, FSL_IMX31_AVIC_ADDR);
+ sysbus_connect_irq(SYS_BUS_DEVICE(&s->avic), 0,
+ qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_IRQ));
+ sysbus_connect_irq(SYS_BUS_DEVICE(&s->avic), 1,
+ qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_FIQ));
+
+ object_property_set_bool(OBJECT(&s->ccm), true, "realized", &err);
+ if (err) {
+ error_propagate(errp, err);
+ return;
+ }
+ sysbus_mmio_map(SYS_BUS_DEVICE(&s->ccm), 0, FSL_IMX31_CCM_ADDR);
+
+ /* Initialize all UARTS */
+ for (i = 0; i < FSL_IMX31_NUM_UARTS; i++) {
+ static const struct {
+ hwaddr addr;
+ unsigned int irq;
+ } serial_table[FSL_IMX31_NUM_UARTS] = {
+ { FSL_IMX31_UART1_ADDR, FSL_IMX31_UART1_IRQ },
+ { FSL_IMX31_UART2_ADDR, FSL_IMX31_UART2_IRQ },
+ };
+
+ if (i < MAX_SERIAL_PORTS) {
+ CharDriverState *chr;
+
+ chr = serial_hds[i];
+
+ if (!chr) {
+ char label[20];
+ snprintf(label, sizeof(label), "imx31.uart%d", i);
+ chr = qemu_chr_new(label, "null", NULL);
+ }
+
+ qdev_prop_set_chr(DEVICE(&s->uart[i]), "chardev", chr);
+ }
+
+ object_property_set_bool(OBJECT(&s->uart[i]), true, "realized", &err);
+ if (err) {
+ error_propagate(errp, err);
+ return;
+ }
+
+ sysbus_mmio_map(SYS_BUS_DEVICE(&s->uart[i]), 0, serial_table[i].addr);
+ sysbus_connect_irq(SYS_BUS_DEVICE(&s->uart[i]), 0,
+ qdev_get_gpio_in(DEVICE(&s->avic),
+ serial_table[i].irq));
+ }
+
+ s->gpt.ccm = DEVICE(&s->ccm);
+
+ object_property_set_bool(OBJECT(&s->gpt), true, "realized", &err);
+ if (err) {
+ error_propagate(errp, err);
+ return;
+ }
+
+ sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpt), 0, FSL_IMX31_GPT_ADDR);
+ sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpt), 0,
+ qdev_get_gpio_in(DEVICE(&s->avic), FSL_IMX31_GPT_IRQ));
+
+ /* Initialize all EPIT timers */
+ for (i = 0; i < FSL_IMX31_NUM_EPITS; i++) {
+ static const struct {
+ hwaddr addr;
+ unsigned int irq;
+ } epit_table[FSL_IMX31_NUM_EPITS] = {
+ { FSL_IMX31_EPIT1_ADDR, FSL_IMX31_EPIT1_IRQ },
+ { FSL_IMX31_EPIT2_ADDR, FSL_IMX31_EPIT2_IRQ },
+ };
+
+ s->epit[i].ccm = DEVICE(&s->ccm);
+
+ object_property_set_bool(OBJECT(&s->epit[i]), true, "realized", &err);
+ if (err) {
+ error_propagate(errp, err);
+ return;
+ }
+
+ sysbus_mmio_map(SYS_BUS_DEVICE(&s->epit[i]), 0, epit_table[i].addr);
+ sysbus_connect_irq(SYS_BUS_DEVICE(&s->epit[i]), 0,
+ qdev_get_gpio_in(DEVICE(&s->avic),
+ epit_table[i].irq));
+ }
+
+ /* On a real system, the first 16k is a `secure boot rom' */
+ memory_region_init_rom_device(&s->secure_rom, NULL, NULL, NULL,
+ "imx31.secure_rom",
+ FSL_IMX31_SECURE_ROM_SIZE, &err);
+ if (err) {
+ error_propagate(errp, err);
+ return;
+ }
+ memory_region_add_subregion(get_system_memory(), FSL_IMX31_SECURE_ROM_ADDR,
+ &s->secure_rom);
+
+ /* There is also a 16k ROM */
+ memory_region_init_rom_device(&s->rom, NULL, NULL, NULL, "imx31.rom",
+ FSL_IMX31_ROM_SIZE, &err);
+ if (err) {
+ error_propagate(errp, err);
+ return;
+ }
+ memory_region_add_subregion(get_system_memory(), FSL_IMX31_ROM_ADDR,
+ &s->rom);
+
+ /* initialize internal RAM (16 KB) */
+ memory_region_init_ram(&s->iram, NULL, "imx31.iram", FSL_IMX31_IRAM_SIZE,
+ &err);
+ if (err) {
+ error_propagate(errp, err);
+ return;
+ }
+ memory_region_add_subregion(get_system_memory(), FSL_IMX31_IRAM_ADDR,
+ &s->iram);
+ vmstate_register_ram_global(&s->iram);
+
+ /* internal RAM (16 KB) is aliased over 256 MB - 16 KB */
+ memory_region_init_alias(&s->iram_alias, NULL, "imx31.iram_alias",
+ &s->iram, 0, FSL_IMX31_IRAM_ALIAS_SIZE);
+ memory_region_add_subregion(get_system_memory(), FSL_IMX31_IRAM_ALIAS_ADDR,
+ &s->iram_alias);
+}
+
+static void fsl_imx31_class_init(ObjectClass *oc, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(oc);
+
+ dc->realize = fsl_imx31_realize;
+}
+
+static const TypeInfo fsl_imx31_type_info = {
+ .name = TYPE_FSL_IMX31,
+ .parent = TYPE_DEVICE,
+ .instance_size = sizeof(FslIMX31State),
+ .instance_init = fsl_imx31_init,
+ .class_init = fsl_imx31_class_init,
+};
+
+static void fsl_imx31_register_types(void)
+{
+ type_register_static(&fsl_imx31_type_info);
+}
+
+type_init(fsl_imx31_register_types)
