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-rw-r--r--hw/arm/versatilepb.c403
1 files changed, 403 insertions, 0 deletions
diff --git a/hw/arm/versatilepb.c b/hw/arm/versatilepb.c
new file mode 100644
index 0000000000..baaa265888
--- /dev/null
+++ b/hw/arm/versatilepb.c
@@ -0,0 +1,403 @@
+/*
+ * ARM Versatile Platform/Application Baseboard System emulation.
+ *
+ * Copyright (c) 2005-2007 CodeSourcery.
+ * Written by Paul Brook
+ *
+ * This code is licensed under the GPL.
+ */
+
+#include "hw/sysbus.h"
+#include "hw/arm-misc.h"
+#include "hw/devices.h"
+#include "net/net.h"
+#include "sysemu/sysemu.h"
+#include "hw/pci/pci.h"
+#include "hw/i2c.h"
+#include "hw/boards.h"
+#include "sysemu/blockdev.h"
+#include "exec/address-spaces.h"
+#include "hw/flash.h"
+
+#define VERSATILE_FLASH_ADDR 0x34000000
+#define VERSATILE_FLASH_SIZE (64 * 1024 * 1024)
+#define VERSATILE_FLASH_SECT_SIZE (256 * 1024)
+
+/* Primary interrupt controller. */
+
+typedef struct vpb_sic_state
+{
+ SysBusDevice busdev;
+ MemoryRegion iomem;
+ uint32_t level;
+ uint32_t mask;
+ uint32_t pic_enable;
+ qemu_irq parent[32];
+ int irq;
+} vpb_sic_state;
+
+static const VMStateDescription vmstate_vpb_sic = {
+ .name = "versatilepb_sic",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT32(level, vpb_sic_state),
+ VMSTATE_UINT32(mask, vpb_sic_state),
+ VMSTATE_UINT32(pic_enable, vpb_sic_state),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static void vpb_sic_update(vpb_sic_state *s)
+{
+ uint32_t flags;
+
+ flags = s->level & s->mask;
+ qemu_set_irq(s->parent[s->irq], flags != 0);
+}
+
+static void vpb_sic_update_pic(vpb_sic_state *s)
+{
+ int i;
+ uint32_t mask;
+
+ for (i = 21; i <= 30; i++) {
+ mask = 1u << i;
+ if (!(s->pic_enable & mask))
+ continue;
+ qemu_set_irq(s->parent[i], (s->level & mask) != 0);
+ }
+}
+
+static void vpb_sic_set_irq(void *opaque, int irq, int level)
+{
+ vpb_sic_state *s = (vpb_sic_state *)opaque;
+ if (level)
+ s->level |= 1u << irq;
+ else
+ s->level &= ~(1u << irq);
+ if (s->pic_enable & (1u << irq))
+ qemu_set_irq(s->parent[irq], level);
+ vpb_sic_update(s);
+}
+
+static uint64_t vpb_sic_read(void *opaque, hwaddr offset,
+ unsigned size)
+{
+ vpb_sic_state *s = (vpb_sic_state *)opaque;
+
+ switch (offset >> 2) {
+ case 0: /* STATUS */
+ return s->level & s->mask;
+ case 1: /* RAWSTAT */
+ return s->level;
+ case 2: /* ENABLE */
+ return s->mask;
+ case 4: /* SOFTINT */
+ return s->level & 1;
+ case 8: /* PICENABLE */
+ return s->pic_enable;
+ default:
+ printf ("vpb_sic_read: Bad register offset 0x%x\n", (int)offset);
+ return 0;
+ }
+}
+
+static void vpb_sic_write(void *opaque, hwaddr offset,
+ uint64_t value, unsigned size)
+{
+ vpb_sic_state *s = (vpb_sic_state *)opaque;
+
+ switch (offset >> 2) {
+ case 2: /* ENSET */
+ s->mask |= value;
+ break;
+ case 3: /* ENCLR */
+ s->mask &= ~value;
+ break;
+ case 4: /* SOFTINTSET */
+ if (value)
+ s->mask |= 1;
+ break;
+ case 5: /* SOFTINTCLR */
+ if (value)
+ s->mask &= ~1u;
+ break;
+ case 8: /* PICENSET */
+ s->pic_enable |= (value & 0x7fe00000);
+ vpb_sic_update_pic(s);
+ break;
+ case 9: /* PICENCLR */
+ s->pic_enable &= ~value;
+ vpb_sic_update_pic(s);
+ break;
+ default:
+ printf ("vpb_sic_write: Bad register offset 0x%x\n", (int)offset);
+ return;
+ }
+ vpb_sic_update(s);
+}
+
+static const MemoryRegionOps vpb_sic_ops = {
+ .read = vpb_sic_read,
+ .write = vpb_sic_write,
+ .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+static int vpb_sic_init(SysBusDevice *dev)
+{
+ vpb_sic_state *s = FROM_SYSBUS(vpb_sic_state, dev);
+ int i;
+
+ qdev_init_gpio_in(&dev->qdev, vpb_sic_set_irq, 32);
+ for (i = 0; i < 32; i++) {
+ sysbus_init_irq(dev, &s->parent[i]);
+ }
+ s->irq = 31;
+ memory_region_init_io(&s->iomem, &vpb_sic_ops, s, "vpb-sic", 0x1000);
+ sysbus_init_mmio(dev, &s->iomem);
+ return 0;
+}
+
+/* Board init. */
+
+/* The AB and PB boards both use the same core, just with different
+ peripherals and expansion busses. For now we emulate a subset of the
+ PB peripherals and just change the board ID. */
+
+static struct arm_boot_info versatile_binfo;
+
+static void versatile_init(QEMUMachineInitArgs *args, int board_id)
+{
+ ARMCPU *cpu;
+ MemoryRegion *sysmem = get_system_memory();
+ MemoryRegion *ram = g_new(MemoryRegion, 1);
+ qemu_irq *cpu_pic;
+ qemu_irq pic[32];
+ qemu_irq sic[32];
+ DeviceState *dev, *sysctl;
+ SysBusDevice *busdev;
+ DeviceState *pl041;
+ PCIBus *pci_bus;
+ NICInfo *nd;
+ i2c_bus *i2c;
+ int n;
+ int done_smc = 0;
+ DriveInfo *dinfo;
+
+ if (!args->cpu_model) {
+ args->cpu_model = "arm926";
+ }
+ cpu = cpu_arm_init(args->cpu_model);
+ if (!cpu) {
+ fprintf(stderr, "Unable to find CPU definition\n");
+ exit(1);
+ }
+ memory_region_init_ram(ram, "versatile.ram", args->ram_size);
+ vmstate_register_ram_global(ram);
+ /* ??? RAM should repeat to fill physical memory space. */
+ /* SDRAM at address zero. */
+ memory_region_add_subregion(sysmem, 0, ram);
+
+ sysctl = qdev_create(NULL, "realview_sysctl");
+ qdev_prop_set_uint32(sysctl, "sys_id", 0x41007004);
+ qdev_prop_set_uint32(sysctl, "proc_id", 0x02000000);
+ qdev_init_nofail(sysctl);
+ sysbus_mmio_map(SYS_BUS_DEVICE(sysctl), 0, 0x10000000);
+
+ cpu_pic = arm_pic_init_cpu(cpu);
+ dev = sysbus_create_varargs("pl190", 0x10140000,
+ cpu_pic[ARM_PIC_CPU_IRQ],
+ cpu_pic[ARM_PIC_CPU_FIQ], NULL);
+ for (n = 0; n < 32; n++) {
+ pic[n] = qdev_get_gpio_in(dev, n);
+ }
+ dev = sysbus_create_simple("versatilepb_sic", 0x10003000, NULL);
+ for (n = 0; n < 32; n++) {
+ sysbus_connect_irq(SYS_BUS_DEVICE(dev), n, pic[n]);
+ sic[n] = qdev_get_gpio_in(dev, n);
+ }
+
+ sysbus_create_simple("pl050_keyboard", 0x10006000, sic[3]);
+ sysbus_create_simple("pl050_mouse", 0x10007000, sic[4]);
+
+ dev = qdev_create(NULL, "versatile_pci");
+ busdev = SYS_BUS_DEVICE(dev);
+ qdev_init_nofail(dev);
+ sysbus_mmio_map(busdev, 0, 0x41000000); /* PCI self-config */
+ sysbus_mmio_map(busdev, 1, 0x42000000); /* PCI config */
+ sysbus_connect_irq(busdev, 0, sic[27]);
+ sysbus_connect_irq(busdev, 1, sic[28]);
+ sysbus_connect_irq(busdev, 2, sic[29]);
+ sysbus_connect_irq(busdev, 3, sic[30]);
+ pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci");
+
+ /* The Versatile PCI bridge does not provide access to PCI IO space,
+ so many of the qemu PCI devices are not useable. */
+ for(n = 0; n < nb_nics; n++) {
+ nd = &nd_table[n];
+
+ if (!done_smc && (!nd->model || strcmp(nd->model, "smc91c111") == 0)) {
+ smc91c111_init(nd, 0x10010000, sic[25]);
+ done_smc = 1;
+ } else {
+ pci_nic_init_nofail(nd, "rtl8139", NULL);
+ }
+ }
+ if (usb_enabled(false)) {
+ pci_create_simple(pci_bus, -1, "pci-ohci");
+ }
+ n = drive_get_max_bus(IF_SCSI);
+ while (n >= 0) {
+ pci_create_simple(pci_bus, -1, "lsi53c895a");
+ n--;
+ }
+
+ sysbus_create_simple("pl011", 0x101f1000, pic[12]);
+ sysbus_create_simple("pl011", 0x101f2000, pic[13]);
+ sysbus_create_simple("pl011", 0x101f3000, pic[14]);
+ sysbus_create_simple("pl011", 0x10009000, sic[6]);
+
+ sysbus_create_simple("pl080", 0x10130000, pic[17]);
+ sysbus_create_simple("sp804", 0x101e2000, pic[4]);
+ sysbus_create_simple("sp804", 0x101e3000, pic[5]);
+
+ sysbus_create_simple("pl061", 0x101e4000, pic[6]);
+ sysbus_create_simple("pl061", 0x101e5000, pic[7]);
+ sysbus_create_simple("pl061", 0x101e6000, pic[8]);
+ sysbus_create_simple("pl061", 0x101e7000, pic[9]);
+
+ /* The versatile/PB actually has a modified Color LCD controller
+ that includes hardware cursor support from the PL111. */
+ dev = sysbus_create_simple("pl110_versatile", 0x10120000, pic[16]);
+ /* Wire up the mux control signals from the SYS_CLCD register */
+ qdev_connect_gpio_out(sysctl, 0, qdev_get_gpio_in(dev, 0));
+
+ sysbus_create_varargs("pl181", 0x10005000, sic[22], sic[1], NULL);
+ sysbus_create_varargs("pl181", 0x1000b000, sic[23], sic[2], NULL);
+
+ /* Add PL031 Real Time Clock. */
+ sysbus_create_simple("pl031", 0x101e8000, pic[10]);
+
+ dev = sysbus_create_simple("versatile_i2c", 0x10002000, NULL);
+ i2c = (i2c_bus *)qdev_get_child_bus(dev, "i2c");
+ i2c_create_slave(i2c, "ds1338", 0x68);
+
+ /* Add PL041 AACI Interface to the LM4549 codec */
+ pl041 = qdev_create(NULL, "pl041");
+ qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512);
+ qdev_init_nofail(pl041);
+ sysbus_mmio_map(SYS_BUS_DEVICE(pl041), 0, 0x10004000);
+ sysbus_connect_irq(SYS_BUS_DEVICE(pl041), 0, sic[24]);
+
+ /* Memory map for Versatile/PB: */
+ /* 0x10000000 System registers. */
+ /* 0x10001000 PCI controller config registers. */
+ /* 0x10002000 Serial bus interface. */
+ /* 0x10003000 Secondary interrupt controller. */
+ /* 0x10004000 AACI (audio). */
+ /* 0x10005000 MMCI0. */
+ /* 0x10006000 KMI0 (keyboard). */
+ /* 0x10007000 KMI1 (mouse). */
+ /* 0x10008000 Character LCD Interface. */
+ /* 0x10009000 UART3. */
+ /* 0x1000a000 Smart card 1. */
+ /* 0x1000b000 MMCI1. */
+ /* 0x10010000 Ethernet. */
+ /* 0x10020000 USB. */
+ /* 0x10100000 SSMC. */
+ /* 0x10110000 MPMC. */
+ /* 0x10120000 CLCD Controller. */
+ /* 0x10130000 DMA Controller. */
+ /* 0x10140000 Vectored interrupt controller. */
+ /* 0x101d0000 AHB Monitor Interface. */
+ /* 0x101e0000 System Controller. */
+ /* 0x101e1000 Watchdog Interface. */
+ /* 0x101e2000 Timer 0/1. */
+ /* 0x101e3000 Timer 2/3. */
+ /* 0x101e4000 GPIO port 0. */
+ /* 0x101e5000 GPIO port 1. */
+ /* 0x101e6000 GPIO port 2. */
+ /* 0x101e7000 GPIO port 3. */
+ /* 0x101e8000 RTC. */
+ /* 0x101f0000 Smart card 0. */
+ /* 0x101f1000 UART0. */
+ /* 0x101f2000 UART1. */
+ /* 0x101f3000 UART2. */
+ /* 0x101f4000 SSPI. */
+ /* 0x34000000 NOR Flash */
+
+ dinfo = drive_get(IF_PFLASH, 0, 0);
+ if (!pflash_cfi01_register(VERSATILE_FLASH_ADDR, NULL, "versatile.flash",
+ VERSATILE_FLASH_SIZE, dinfo ? dinfo->bdrv : NULL,
+ VERSATILE_FLASH_SECT_SIZE,
+ VERSATILE_FLASH_SIZE / VERSATILE_FLASH_SECT_SIZE,
+ 4, 0x0089, 0x0018, 0x0000, 0x0, 0)) {
+ fprintf(stderr, "qemu: Error registering flash memory.\n");
+ }
+
+ versatile_binfo.ram_size = args->ram_size;
+ versatile_binfo.kernel_filename = args->kernel_filename;
+ versatile_binfo.kernel_cmdline = args->kernel_cmdline;
+ versatile_binfo.initrd_filename = args->initrd_filename;
+ versatile_binfo.board_id = board_id;
+ arm_load_kernel(cpu, &versatile_binfo);
+}
+
+static void vpb_init(QEMUMachineInitArgs *args)
+{
+ versatile_init(args, 0x183);
+}
+
+static void vab_init(QEMUMachineInitArgs *args)
+{
+ versatile_init(args, 0x25e);
+}
+
+static QEMUMachine versatilepb_machine = {
+ .name = "versatilepb",
+ .desc = "ARM Versatile/PB (ARM926EJ-S)",
+ .init = vpb_init,
+ .block_default_type = IF_SCSI,
+ DEFAULT_MACHINE_OPTIONS,
+};
+
+static QEMUMachine versatileab_machine = {
+ .name = "versatileab",
+ .desc = "ARM Versatile/AB (ARM926EJ-S)",
+ .init = vab_init,
+ .block_default_type = IF_SCSI,
+ DEFAULT_MACHINE_OPTIONS,
+};
+
+static void versatile_machine_init(void)
+{
+ qemu_register_machine(&versatilepb_machine);
+ qemu_register_machine(&versatileab_machine);
+}
+
+machine_init(versatile_machine_init);
+
+static void vpb_sic_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
+
+ k->init = vpb_sic_init;
+ dc->no_user = 1;
+ dc->vmsd = &vmstate_vpb_sic;
+}
+
+static const TypeInfo vpb_sic_info = {
+ .name = "versatilepb_sic",
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(vpb_sic_state),
+ .class_init = vpb_sic_class_init,
+};
+
+static void versatilepb_register_types(void)
+{
+ type_register_static(&vpb_sic_info);
+}
+
+type_init(versatilepb_register_types)
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-16 04:56:30 +0000