]> git.proxmox.com Git - mirror_qemu.git/blobdiff - hw/integratorcp.c
qdev: register all types natively through QEMU Object Model
[mirror_qemu.git] / hw / integratorcp.c
index 2169f2cf3262d7b9e0dc17149d1a32d7ed056be8..6dbd64990868bbd2dc21686228c79f06bf2ae4de 100644 (file)
@@ -4,19 +4,23 @@
  * Copyright (c) 2005-2007 CodeSourcery.
  * Written by Paul Brook
  *
- * This code is licenced under the GPL
+ * This code is licensed under the GPL
  */
 
-#include "hw.h"
+#include "sysbus.h"
 #include "primecell.h"
 #include "devices.h"
-#include "sysemu.h"
 #include "boards.h"
 #include "arm-misc.h"
 #include "net.h"
+#include "exec-memory.h"
+#include "sysemu.h"
 
 typedef struct {
-    uint32_t flash_offset;
+    SysBusDevice busdev;
+    MemoryRegion iomem;
+    uint32_t memsz;
+    MemoryRegion flash;
     uint32_t cm_osc;
     uint32_t cm_ctrl;
     uint32_t cm_lock;
@@ -35,7 +39,8 @@ static uint8_t integrator_spd[128] = {
    0xe, 4, 0x1c, 1, 2, 0x20, 0xc0, 0, 0, 0, 0, 0x30, 0x28, 0x30, 0x28, 0x40
 };
 
-static uint32_t integratorcm_read(void *opaque, target_phys_addr_t offset)
+static uint64_t integratorcm_read(void *opaque, target_phys_addr_t offset,
+                                  unsigned size)
 {
     integratorcm_state *s = (integratorcm_state *)opaque;
     if (offset >= 0x100 && offset < 0x200) {
@@ -104,28 +109,29 @@ static uint32_t integratorcm_read(void *opaque, target_phys_addr_t offset)
     }
 }
 
-static void integratorcm_do_remap(integratorcm_state *s, int flash)
+static void integratorcm_do_remap(integratorcm_state *s)
 {
-    if (flash) {
-        cpu_register_physical_memory(0, 0x100000, IO_MEM_RAM);
-    } else {
-        cpu_register_physical_memory(0, 0x100000, s->flash_offset | IO_MEM_RAM);
-    }
-    //??? tlb_flush (cpu_single_env, 1);
+    /* Sync memory region state with CM_CTRL REMAP bit:
+     * bit 0 => flash at address 0; bit 1 => RAM
+     */
+    memory_region_set_enabled(&s->flash, !(s->cm_ctrl & 4));
 }
 
 static void integratorcm_set_ctrl(integratorcm_state *s, uint32_t value)
 {
     if (value & 8) {
-        hw_error("Board reset\n");
-    }
-    if ((s->cm_init ^ value) & 4) {
-        integratorcm_do_remap(s, (value & 4) == 0);
+        qemu_system_reset_request();
     }
-    if ((s->cm_init ^ value) & 1) {
-        printf("Green LED %s\n", (value & 1) ? "on" : "off");
+    if ((s->cm_ctrl ^ value) & 1) {
+        /* (value & 1) != 0 means the green "MISC LED" is lit.
+         * We don't have any nice place to display LEDs. printf is a bad
+         * idea because Linux uses the LED as a heartbeat and the output
+         * will swamp anything else on the terminal.
+         */
     }
-    s->cm_init = (s->cm_init & ~ 5) | (value ^ 5);
+    /* Note that the RESET bit [3] always reads as zero */
+    s->cm_ctrl = (s->cm_ctrl & ~5) | (value & 5);
+    integratorcm_do_remap(s);
 }
 
 static void integratorcm_update(integratorcm_state *s)
@@ -137,7 +143,7 @@ static void integratorcm_update(integratorcm_state *s)
 }
 
 static void integratorcm_write(void *opaque, target_phys_addr_t offset,
-                               uint32_t value)
+                               uint64_t value, unsigned size)
 {
     integratorcm_state *s = (integratorcm_state *)opaque;
     switch (offset >> 2) {
@@ -213,38 +219,30 @@ static void integratorcm_write(void *opaque, target_phys_addr_t offset,
 
 /* Integrator/CM control registers.  */
 
-static CPUReadMemoryFunc *integratorcm_readfn[] = {
-   integratorcm_read,
-   integratorcm_read,
-   integratorcm_read
+static const MemoryRegionOps integratorcm_ops = {
+    .read = integratorcm_read,
+    .write = integratorcm_write,
+    .endianness = DEVICE_NATIVE_ENDIAN,
 };
 
-static CPUWriteMemoryFunc *integratorcm_writefn[] = {
-   integratorcm_write,
-   integratorcm_write,
-   integratorcm_write
-};
-
-static void integratorcm_init(int memsz)
+static int integratorcm_init(SysBusDevice *dev)
 {
-    int iomemtype;
-    integratorcm_state *s;
+    integratorcm_state *s = FROM_SYSBUS(integratorcm_state, dev);
 
-    s = (integratorcm_state *)qemu_mallocz(sizeof(integratorcm_state));
     s->cm_osc = 0x01000048;
     /* ??? What should the high bits of this value be?  */
     s->cm_auxosc = 0x0007feff;
     s->cm_sdram = 0x00011122;
-    if (memsz >= 256) {
+    if (s->memsz >= 256) {
         integrator_spd[31] = 64;
         s->cm_sdram |= 0x10;
-    } else if (memsz >= 128) {
+    } else if (s->memsz >= 128) {
         integrator_spd[31] = 32;
         s->cm_sdram |= 0x0c;
-    } else if (memsz >= 64) {
+    } else if (s->memsz >= 64) {
         integrator_spd[31] = 16;
         s->cm_sdram |= 0x08;
-    } else if (memsz >= 32) {
+    } else if (s->memsz >= 32) {
         integrator_spd[31] = 4;
         s->cm_sdram |= 0x04;
     } else {
@@ -252,13 +250,16 @@ static void integratorcm_init(int memsz)
     }
     memcpy(integrator_spd + 73, "QEMU-MEMORY", 11);
     s->cm_init = 0x00000112;
-    s->flash_offset = qemu_ram_alloc(0x100000);
+    memory_region_init_ram(&s->flash, "integrator.flash", 0x100000);
+    vmstate_register_ram_global(&s->flash);
+
+    memory_region_init_io(&s->iomem, &integratorcm_ops, s,
+                          "integratorcm", 0x00800000);
+    sysbus_init_mmio(dev, &s->iomem);
 
-    iomemtype = cpu_register_io_memory(0, integratorcm_readfn,
-                                       integratorcm_writefn, s);
-    cpu_register_physical_memory(0x10000000, 0x00800000, iomemtype);
-    integratorcm_do_remap(s, 1);
+    integratorcm_do_remap(s);
     /* ??? Save/restore.  */
+    return 0;
 }
 
 /* Integrator/CP hardware emulation.  */
@@ -266,6 +267,8 @@ static void integratorcm_init(int memsz)
 
 typedef struct icp_pic_state
 {
+  SysBusDevice busdev;
+  MemoryRegion iomem;
   uint32_t level;
   uint32_t irq_enabled;
   uint32_t fiq_enabled;
@@ -293,7 +296,8 @@ static void icp_pic_set_irq(void *opaque, int irq, int level)
     icp_pic_update(s);
 }
 
-static uint32_t icp_pic_read(void *opaque, target_phys_addr_t offset)
+static uint64_t icp_pic_read(void *opaque, target_phys_addr_t offset,
+                             unsigned size)
 {
     icp_pic_state *s = (icp_pic_state *)opaque;
 
@@ -322,7 +326,7 @@ static uint32_t icp_pic_read(void *opaque, target_phys_addr_t offset)
 }
 
 static void icp_pic_write(void *opaque, target_phys_addr_t offset,
-                          uint32_t value)
+                          uint64_t value, unsigned size)
 {
     icp_pic_state *s = (icp_pic_state *)opaque;
 
@@ -358,38 +362,28 @@ static void icp_pic_write(void *opaque, target_phys_addr_t offset,
     icp_pic_update(s);
 }
 
-static CPUReadMemoryFunc *icp_pic_readfn[] = {
-   icp_pic_read,
-   icp_pic_read,
-   icp_pic_read
-};
-
-static CPUWriteMemoryFunc *icp_pic_writefn[] = {
-   icp_pic_write,
-   icp_pic_write,
-   icp_pic_write
+static const MemoryRegionOps icp_pic_ops = {
+    .read = icp_pic_read,
+    .write = icp_pic_write,
+    .endianness = DEVICE_NATIVE_ENDIAN,
 };
 
-static qemu_irq *icp_pic_init(uint32_t base,
-                              qemu_irq parent_irq, qemu_irq parent_fiq)
+static int icp_pic_init(SysBusDevice *dev)
 {
-    icp_pic_state *s;
-    int iomemtype;
-    qemu_irq *qi;
-
-    s = (icp_pic_state *)qemu_mallocz(sizeof(icp_pic_state));
-    qi = qemu_allocate_irqs(icp_pic_set_irq, s, 32);
-    s->parent_irq = parent_irq;
-    s->parent_fiq = parent_fiq;
-    iomemtype = cpu_register_io_memory(0, icp_pic_readfn,
-                                       icp_pic_writefn, s);
-    cpu_register_physical_memory(base, 0x00800000, iomemtype);
-    /* ??? Save/restore.  */
-    return qi;
+    icp_pic_state *s = FROM_SYSBUS(icp_pic_state, dev);
+
+    qdev_init_gpio_in(&dev->qdev, icp_pic_set_irq, 32);
+    sysbus_init_irq(dev, &s->parent_irq);
+    sysbus_init_irq(dev, &s->parent_fiq);
+    memory_region_init_io(&s->iomem, &icp_pic_ops, s, "icp-pic", 0x00800000);
+    sysbus_init_mmio(dev, &s->iomem);
+    return 0;
 }
 
 /* CP control registers.  */
-static uint32_t icp_control_read(void *opaque, target_phys_addr_t offset)
+
+static uint64_t icp_control_read(void *opaque, target_phys_addr_t offset,
+                                 unsigned size)
 {
     switch (offset >> 2) {
     case 0: /* CP_IDFIELD */
@@ -407,7 +401,7 @@ static uint32_t icp_control_read(void *opaque, target_phys_addr_t offset)
 }
 
 static void icp_control_write(void *opaque, target_phys_addr_t offset,
-                          uint32_t value)
+                          uint64_t value, unsigned size)
 {
     switch (offset >> 2) {
     case 1: /* CP_FLASHPROG */
@@ -419,25 +413,21 @@ static void icp_control_write(void *opaque, target_phys_addr_t offset,
         hw_error("icp_control_write: Bad offset %x\n", (int)offset);
     }
 }
-static CPUReadMemoryFunc *icp_control_readfn[] = {
-   icp_control_read,
-   icp_control_read,
-   icp_control_read
-};
 
-static CPUWriteMemoryFunc *icp_control_writefn[] = {
-   icp_control_write,
-   icp_control_write,
-   icp_control_write
+static const MemoryRegionOps icp_control_ops = {
+    .read = icp_control_read,
+    .write = icp_control_write,
+    .endianness = DEVICE_NATIVE_ENDIAN,
 };
 
-static void icp_control_init(uint32_t base)
+static void icp_control_init(target_phys_addr_t base)
 {
-    int iomemtype;
+    MemoryRegion *io;
 
-    iomemtype = cpu_register_io_memory(0, icp_control_readfn,
-                                       icp_control_writefn, NULL);
-    cpu_register_physical_memory(base, 0x00800000, iomemtype);
+    io = (MemoryRegion *)g_malloc0(sizeof(MemoryRegion));
+    memory_region_init_io(io, &icp_control_ops, NULL,
+                          "control", 0x00800000);
+    memory_region_add_subregion(get_system_memory(), base, io);
     /* ??? Save/restore.  */
 }
 
@@ -449,16 +439,19 @@ static struct arm_boot_info integrator_binfo = {
     .board_id = 0x113,
 };
 
-static void integratorcp_init(ram_addr_t ram_size, int vga_ram_size,
+static void integratorcp_init(ram_addr_t ram_size,
                      const char *boot_device,
                      const char *kernel_filename, const char *kernel_cmdline,
                      const char *initrd_filename, const char *cpu_model)
 {
     CPUState *env;
-    ram_addr_t ram_offset;
-    qemu_irq *pic;
+    MemoryRegion *address_space_mem = get_system_memory();
+    MemoryRegion *ram = g_new(MemoryRegion, 1);
+    MemoryRegion *ram_alias = g_new(MemoryRegion, 1);
+    qemu_irq pic[32];
     qemu_irq *cpu_pic;
-    int sd;
+    DeviceState *dev;
+    int i;
 
     if (!cpu_model)
         cpu_model = "arm926";
@@ -467,35 +460,42 @@ static void integratorcp_init(ram_addr_t ram_size, int vga_ram_size,
         fprintf(stderr, "Unable to find CPU definition\n");
         exit(1);
     }
-    ram_offset = qemu_ram_alloc(ram_size);
+    memory_region_init_ram(ram, "integrator.ram", ram_size);
+    vmstate_register_ram_global(ram);
     /* ??? On a real system the first 1Mb is mapped as SSRAM or boot flash.  */
     /* ??? RAM should repeat to fill physical memory space.  */
     /* SDRAM at address zero*/
-    cpu_register_physical_memory(0, ram_size, ram_offset | IO_MEM_RAM);
+    memory_region_add_subregion(address_space_mem, 0, ram);
     /* And again at address 0x80000000 */
-    cpu_register_physical_memory(0x80000000, ram_size, ram_offset | IO_MEM_RAM);
+    memory_region_init_alias(ram_alias, "ram.alias", ram, 0, ram_size);
+    memory_region_add_subregion(address_space_mem, 0x80000000, ram_alias);
+
+    dev = qdev_create(NULL, "integrator_core");
+    qdev_prop_set_uint32(dev, "memsz", ram_size >> 20);
+    qdev_init_nofail(dev);
+    sysbus_mmio_map((SysBusDevice *)dev, 0, 0x10000000);
 
-    integratorcm_init(ram_size >> 20);
     cpu_pic = arm_pic_init_cpu(env);
-    pic = icp_pic_init(0x14000000, cpu_pic[ARM_PIC_CPU_IRQ],
-                       cpu_pic[ARM_PIC_CPU_FIQ]);
-    icp_pic_init(0xca000000, pic[26], NULL);
-    icp_pit_init(0x13000000, pic, 5);
-    pl031_init(0x15000000, pic[8]);
-    pl011_init(0x16000000, pic[1], serial_hds[0], PL011_ARM);
-    pl011_init(0x17000000, pic[2], serial_hds[1], PL011_ARM);
-    icp_control_init(0xcb000000);
-    pl050_init(0x18000000, pic[3], 0);
-    pl050_init(0x19000000, pic[4], 1);
-    sd = drive_get_index(IF_SD, 0, 0);
-    if (sd == -1) {
-        fprintf(stderr, "qemu: missing SecureDigital card\n");
-        exit(1);
+    dev = sysbus_create_varargs("integrator_pic", 0x14000000,
+                                cpu_pic[ARM_PIC_CPU_IRQ],
+                                cpu_pic[ARM_PIC_CPU_FIQ], NULL);
+    for (i = 0; i < 32; i++) {
+        pic[i] = qdev_get_gpio_in(dev, i);
     }
-    pl181_init(0x1c000000, drives_table[sd].bdrv, pic[23], pic[24]);
+    sysbus_create_simple("integrator_pic", 0xca000000, pic[26]);
+    sysbus_create_varargs("integrator_pit", 0x13000000,
+                          pic[5], pic[6], pic[7], NULL);
+    sysbus_create_simple("pl031", 0x15000000, pic[8]);
+    sysbus_create_simple("pl011", 0x16000000, pic[1]);
+    sysbus_create_simple("pl011", 0x17000000, pic[2]);
+    icp_control_init(0xcb000000);
+    sysbus_create_simple("pl050_keyboard", 0x18000000, pic[3]);
+    sysbus_create_simple("pl050_mouse", 0x19000000, pic[4]);
+    sysbus_create_varargs("pl181", 0x1c000000, pic[23], pic[24], NULL);
     if (nd_table[0].vlan)
         smc91c111_init(&nd_table[0], 0xc8000000, pic[27]);
-    pl110_init(0xc0000000, pic[22], 0);
+
+    sysbus_create_simple("pl110", 0xc0000000, pic[22]);
 
     integrator_binfo.ram_size = ram_size;
     integrator_binfo.kernel_filename = kernel_filename;
@@ -504,8 +504,59 @@ static void integratorcp_init(ram_addr_t ram_size, int vga_ram_size,
     arm_load_kernel(env, &integrator_binfo);
 }
 
-QEMUMachine integratorcp_machine = {
+static QEMUMachine integratorcp_machine = {
     .name = "integratorcp",
     .desc = "ARM Integrator/CP (ARM926EJ-S)",
     .init = integratorcp_init,
+    .is_default = 1,
+};
+
+static void integratorcp_machine_init(void)
+{
+    qemu_register_machine(&integratorcp_machine);
+}
+
+machine_init(integratorcp_machine_init);
+
+static Property core_properties[] = {
+    DEFINE_PROP_UINT32("memsz", integratorcm_state, memsz, 0),
+    DEFINE_PROP_END_OF_LIST(),
+};
+
+static void core_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
+
+    k->init = integratorcm_init;
+    dc->props = core_properties;
+}
+
+static TypeInfo core_info = {
+    .name          = "integrator_core",
+    .parent        = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(integratorcm_state),
+    .class_init    = core_class_init,
 };
+
+static void icp_pic_class_init(ObjectClass *klass, void *data)
+{
+    SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass);
+
+    sdc->init = icp_pic_init;
+}
+
+static TypeInfo icp_pic_info = {
+    .name          = "integrator_pic",
+    .parent        = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(icp_pic_state),
+    .class_init    = icp_pic_class_init,
+};
+
+static void integratorcp_register_devices(void)
+{
+    type_register_static(&icp_pic_info);
+    type_register_static(&core_info);
+}
+
+device_init(integratorcp_register_devices)