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-rw-r--r--hw/arm/realview.c404
1 files changed, 404 insertions, 0 deletions
diff --git a/hw/arm/realview.c b/hw/arm/realview.c
new file mode 100644
index 000000000..5fb490c83
--- /dev/null
+++ b/hw/arm/realview.c
@@ -0,0 +1,404 @@
+/*
+ * ARM RealView Baseboard System emulation.
+ *
+ * Copyright (c) 2006-2007 CodeSourcery.
+ * Written by Paul Brook
+ *
+ * This code is licensed under the GPL.
+ */
+
+#include "hw/sysbus.h"
+#include "hw/arm-misc.h"
+#include "hw/primecell.h"
+#include "hw/devices.h"
+#include "hw/pci/pci.h"
+#include "net/net.h"
+#include "sysemu/sysemu.h"
+#include "hw/boards.h"
+#include "hw/i2c.h"
+#include "sysemu/blockdev.h"
+#include "exec/address-spaces.h"
+
+#define SMP_BOOT_ADDR 0xe0000000
+#define SMP_BOOTREG_ADDR 0x10000030
+
+/* Board init. */
+
+static struct arm_boot_info realview_binfo = {
+ .smp_loader_start = SMP_BOOT_ADDR,
+ .smp_bootreg_addr = SMP_BOOTREG_ADDR,
+};
+
+/* The following two lists must be consistent. */
+enum realview_board_type {
+ BOARD_EB,
+ BOARD_EB_MPCORE,
+ BOARD_PB_A8,
+ BOARD_PBX_A9,
+};
+
+static const int realview_board_id[] = {
+ 0x33b,
+ 0x33b,
+ 0x769,
+ 0x76d
+};
+
+static void realview_init(QEMUMachineInitArgs *args,
+ enum realview_board_type board_type)
+{
+ ARMCPU *cpu = NULL;
+ CPUARMState *env;
+ MemoryRegion *sysmem = get_system_memory();
+ MemoryRegion *ram_lo = g_new(MemoryRegion, 1);
+ MemoryRegion *ram_hi = g_new(MemoryRegion, 1);
+ MemoryRegion *ram_alias = g_new(MemoryRegion, 1);
+ MemoryRegion *ram_hack = g_new(MemoryRegion, 1);
+ DeviceState *dev, *sysctl, *gpio2, *pl041;
+ SysBusDevice *busdev;
+ qemu_irq *irqp;
+ qemu_irq pic[64];
+ qemu_irq mmc_irq[2];
+ PCIBus *pci_bus;
+ NICInfo *nd;
+ i2c_bus *i2c;
+ int n;
+ int done_nic = 0;
+ qemu_irq cpu_irq[4];
+ int is_mpcore = 0;
+ int is_pb = 0;
+ uint32_t proc_id = 0;
+ uint32_t sys_id;
+ ram_addr_t low_ram_size;
+ ram_addr_t ram_size = args->ram_size;
+
+ switch (board_type) {
+ case BOARD_EB:
+ break;
+ case BOARD_EB_MPCORE:
+ is_mpcore = 1;
+ break;
+ case BOARD_PB_A8:
+ is_pb = 1;
+ break;
+ case BOARD_PBX_A9:
+ is_mpcore = 1;
+ is_pb = 1;
+ break;
+ }
+ for (n = 0; n < smp_cpus; n++) {
+ cpu = cpu_arm_init(args->cpu_model);
+ if (!cpu) {
+ fprintf(stderr, "Unable to find CPU definition\n");
+ exit(1);
+ }
+ irqp = arm_pic_init_cpu(cpu);
+ cpu_irq[n] = irqp[ARM_PIC_CPU_IRQ];
+ }
+ env = &cpu->env;
+ if (arm_feature(env, ARM_FEATURE_V7)) {
+ if (is_mpcore) {
+ proc_id = 0x0c000000;
+ } else {
+ proc_id = 0x0e000000;
+ }
+ } else if (arm_feature(env, ARM_FEATURE_V6K)) {
+ proc_id = 0x06000000;
+ } else if (arm_feature(env, ARM_FEATURE_V6)) {
+ proc_id = 0x04000000;
+ } else {
+ proc_id = 0x02000000;
+ }
+
+ if (is_pb && ram_size > 0x20000000) {
+ /* Core tile RAM. */
+ low_ram_size = ram_size - 0x20000000;
+ ram_size = 0x20000000;
+ memory_region_init_ram(ram_lo, "realview.lowmem", low_ram_size);
+ vmstate_register_ram_global(ram_lo);
+ memory_region_add_subregion(sysmem, 0x20000000, ram_lo);
+ }
+
+ memory_region_init_ram(ram_hi, "realview.highmem", ram_size);
+ vmstate_register_ram_global(ram_hi);
+ low_ram_size = ram_size;
+ if (low_ram_size > 0x10000000)
+ low_ram_size = 0x10000000;
+ /* SDRAM at address zero. */
+ memory_region_init_alias(ram_alias, "realview.alias",
+ ram_hi, 0, low_ram_size);
+ memory_region_add_subregion(sysmem, 0, ram_alias);
+ if (is_pb) {
+ /* And again at a high address. */
+ memory_region_add_subregion(sysmem, 0x70000000, ram_hi);
+ } else {
+ ram_size = low_ram_size;
+ }
+
+ sys_id = is_pb ? 0x01780500 : 0xc1400400;
+ sysctl = qdev_create(NULL, "realview_sysctl");
+ qdev_prop_set_uint32(sysctl, "sys_id", sys_id);
+ qdev_prop_set_uint32(sysctl, "proc_id", proc_id);
+ qdev_init_nofail(sysctl);
+ sysbus_mmio_map(SYS_BUS_DEVICE(sysctl), 0, 0x10000000);
+
+ if (is_mpcore) {
+ hwaddr periphbase;
+ dev = qdev_create(NULL, is_pb ? "a9mpcore_priv": "realview_mpcore");
+ qdev_prop_set_uint32(dev, "num-cpu", smp_cpus);
+ qdev_init_nofail(dev);
+ busdev = SYS_BUS_DEVICE(dev);
+ if (is_pb) {
+ periphbase = 0x1f000000;
+ } else {
+ periphbase = 0x10100000;
+ }
+ sysbus_mmio_map(busdev, 0, periphbase);
+ for (n = 0; n < smp_cpus; n++) {
+ sysbus_connect_irq(busdev, n, cpu_irq[n]);
+ }
+ sysbus_create_varargs("l2x0", periphbase + 0x2000, NULL);
+ /* Both A9 and 11MPCore put the GIC CPU i/f at base + 0x100 */
+ realview_binfo.gic_cpu_if_addr = periphbase + 0x100;
+ } else {
+ uint32_t gic_addr = is_pb ? 0x1e000000 : 0x10040000;
+ /* For now just create the nIRQ GIC, and ignore the others. */
+ dev = sysbus_create_simple("realview_gic", gic_addr, cpu_irq[0]);
+ }
+ for (n = 0; n < 64; n++) {
+ pic[n] = qdev_get_gpio_in(dev, n);
+ }
+
+ 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, pic[19]);
+
+ sysbus_create_simple("pl050_keyboard", 0x10006000, pic[20]);
+ sysbus_create_simple("pl050_mouse", 0x10007000, pic[21]);
+
+ sysbus_create_simple("pl011", 0x10009000, pic[12]);
+ sysbus_create_simple("pl011", 0x1000a000, pic[13]);
+ sysbus_create_simple("pl011", 0x1000b000, pic[14]);
+ sysbus_create_simple("pl011", 0x1000c000, pic[15]);
+
+ /* DMA controller is optional, apparently. */
+ sysbus_create_simple("pl081", 0x10030000, pic[24]);
+
+ sysbus_create_simple("sp804", 0x10011000, pic[4]);
+ sysbus_create_simple("sp804", 0x10012000, pic[5]);
+
+ sysbus_create_simple("pl061", 0x10013000, pic[6]);
+ sysbus_create_simple("pl061", 0x10014000, pic[7]);
+ gpio2 = sysbus_create_simple("pl061", 0x10015000, pic[8]);
+
+ sysbus_create_simple("pl111", 0x10020000, pic[23]);
+
+ dev = sysbus_create_varargs("pl181", 0x10005000, pic[17], pic[18], NULL);
+ /* Wire up MMC card detect and read-only signals. These have
+ * to go to both the PL061 GPIO and the sysctl register.
+ * Note that the PL181 orders these lines (readonly,inserted)
+ * and the PL061 has them the other way about. Also the card
+ * detect line is inverted.
+ */
+ mmc_irq[0] = qemu_irq_split(
+ qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_WPROT),
+ qdev_get_gpio_in(gpio2, 1));
+ mmc_irq[1] = qemu_irq_split(
+ qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_CARDIN),
+ qemu_irq_invert(qdev_get_gpio_in(gpio2, 0)));
+ qdev_connect_gpio_out(dev, 0, mmc_irq[0]);
+ qdev_connect_gpio_out(dev, 1, mmc_irq[1]);
+
+ sysbus_create_simple("pl031", 0x10017000, pic[10]);
+
+ if (!is_pb) {
+ dev = qdev_create(NULL, "realview_pci");
+ busdev = SYS_BUS_DEVICE(dev);
+ qdev_init_nofail(dev);
+ sysbus_mmio_map(busdev, 0, 0x61000000); /* PCI self-config */
+ sysbus_mmio_map(busdev, 1, 0x62000000); /* PCI config */
+ sysbus_mmio_map(busdev, 2, 0x63000000); /* PCI I/O */
+ sysbus_connect_irq(busdev, 0, pic[48]);
+ sysbus_connect_irq(busdev, 1, pic[49]);
+ sysbus_connect_irq(busdev, 2, pic[50]);
+ sysbus_connect_irq(busdev, 3, pic[51]);
+ pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci");
+ 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--;
+ }
+ }
+ for(n = 0; n < nb_nics; n++) {
+ nd = &nd_table[n];
+
+ if (!done_nic && (!nd->model ||
+ strcmp(nd->model, is_pb ? "lan9118" : "smc91c111") == 0)) {
+ if (is_pb) {
+ lan9118_init(nd, 0x4e000000, pic[28]);
+ } else {
+ smc91c111_init(nd, 0x4e000000, pic[28]);
+ }
+ done_nic = 1;
+ } else {
+ pci_nic_init_nofail(nd, "rtl8139", NULL);
+ }
+ }
+
+ dev = sysbus_create_simple("versatile_i2c", 0x10002000, NULL);
+ i2c = (i2c_bus *)qdev_get_child_bus(dev, "i2c");
+ i2c_create_slave(i2c, "ds1338", 0x68);
+
+ /* Memory map for RealView Emulation Baseboard: */
+ /* 0x10000000 System registers. */
+ /* 0x10001000 System controller. */
+ /* 0x10002000 Two-Wire Serial Bus. */
+ /* 0x10003000 Reserved. */
+ /* 0x10004000 AACI. */
+ /* 0x10005000 MCI. */
+ /* 0x10006000 KMI0. */
+ /* 0x10007000 KMI1. */
+ /* 0x10008000 Character LCD. (EB) */
+ /* 0x10009000 UART0. */
+ /* 0x1000a000 UART1. */
+ /* 0x1000b000 UART2. */
+ /* 0x1000c000 UART3. */
+ /* 0x1000d000 SSPI. */
+ /* 0x1000e000 SCI. */
+ /* 0x1000f000 Reserved. */
+ /* 0x10010000 Watchdog. */
+ /* 0x10011000 Timer 0+1. */
+ /* 0x10012000 Timer 2+3. */
+ /* 0x10013000 GPIO 0. */
+ /* 0x10014000 GPIO 1. */
+ /* 0x10015000 GPIO 2. */
+ /* 0x10002000 Two-Wire Serial Bus - DVI. (PB) */
+ /* 0x10017000 RTC. */
+ /* 0x10018000 DMC. */
+ /* 0x10019000 PCI controller config. */
+ /* 0x10020000 CLCD. */
+ /* 0x10030000 DMA Controller. */
+ /* 0x10040000 GIC1. (EB) */
+ /* 0x10050000 GIC2. (EB) */
+ /* 0x10060000 GIC3. (EB) */
+ /* 0x10070000 GIC4. (EB) */
+ /* 0x10080000 SMC. */
+ /* 0x1e000000 GIC1. (PB) */
+ /* 0x1e001000 GIC2. (PB) */
+ /* 0x1e002000 GIC3. (PB) */
+ /* 0x1e003000 GIC4. (PB) */
+ /* 0x40000000 NOR flash. */
+ /* 0x44000000 DoC flash. */
+ /* 0x48000000 SRAM. */
+ /* 0x4c000000 Configuration flash. */
+ /* 0x4e000000 Ethernet. */
+ /* 0x4f000000 USB. */
+ /* 0x50000000 PISMO. */
+ /* 0x54000000 PISMO. */
+ /* 0x58000000 PISMO. */
+ /* 0x5c000000 PISMO. */
+ /* 0x60000000 PCI. */
+ /* 0x61000000 PCI Self Config. */
+ /* 0x62000000 PCI Config. */
+ /* 0x63000000 PCI IO. */
+ /* 0x64000000 PCI mem 0. */
+ /* 0x68000000 PCI mem 1. */
+ /* 0x6c000000 PCI mem 2. */
+
+ /* ??? Hack to map an additional page of ram for the secondary CPU
+ startup code. I guess this works on real hardware because the
+ BootROM happens to be in ROM/flash or in memory that isn't clobbered
+ until after Linux boots the secondary CPUs. */
+ memory_region_init_ram(ram_hack, "realview.hack", 0x1000);
+ vmstate_register_ram_global(ram_hack);
+ memory_region_add_subregion(sysmem, SMP_BOOT_ADDR, ram_hack);
+
+ realview_binfo.ram_size = ram_size;
+ realview_binfo.kernel_filename = args->kernel_filename;
+ realview_binfo.kernel_cmdline = args->kernel_cmdline;
+ realview_binfo.initrd_filename = args->initrd_filename;
+ realview_binfo.nb_cpus = smp_cpus;
+ realview_binfo.board_id = realview_board_id[board_type];
+ realview_binfo.loader_start = (board_type == BOARD_PB_A8 ? 0x70000000 : 0);
+ arm_load_kernel(arm_env_get_cpu(first_cpu), &realview_binfo);
+}
+
+static void realview_eb_init(QEMUMachineInitArgs *args)
+{
+ if (!args->cpu_model) {
+ args->cpu_model = "arm926";
+ }
+ realview_init(args, BOARD_EB);
+}
+
+static void realview_eb_mpcore_init(QEMUMachineInitArgs *args)
+{
+ if (!args->cpu_model) {
+ args->cpu_model = "arm11mpcore";
+ }
+ realview_init(args, BOARD_EB_MPCORE);
+}
+
+static void realview_pb_a8_init(QEMUMachineInitArgs *args)
+{
+ if (!args->cpu_model) {
+ args->cpu_model = "cortex-a8";
+ }
+ realview_init(args, BOARD_PB_A8);
+}
+
+static void realview_pbx_a9_init(QEMUMachineInitArgs *args)
+{
+ if (!args->cpu_model) {
+ args->cpu_model = "cortex-a9";
+ }
+ realview_init(args, BOARD_PBX_A9);
+}
+
+static QEMUMachine realview_eb_machine = {
+ .name = "realview-eb",
+ .desc = "ARM RealView Emulation Baseboard (ARM926EJ-S)",
+ .init = realview_eb_init,
+ .block_default_type = IF_SCSI,
+ DEFAULT_MACHINE_OPTIONS,
+};
+
+static QEMUMachine realview_eb_mpcore_machine = {
+ .name = "realview-eb-mpcore",
+ .desc = "ARM RealView Emulation Baseboard (ARM11MPCore)",
+ .init = realview_eb_mpcore_init,
+ .block_default_type = IF_SCSI,
+ .max_cpus = 4,
+ DEFAULT_MACHINE_OPTIONS,
+};
+
+static QEMUMachine realview_pb_a8_machine = {
+ .name = "realview-pb-a8",
+ .desc = "ARM RealView Platform Baseboard for Cortex-A8",
+ .init = realview_pb_a8_init,
+ DEFAULT_MACHINE_OPTIONS,
+};
+
+static QEMUMachine realview_pbx_a9_machine = {
+ .name = "realview-pbx-a9",
+ .desc = "ARM RealView Platform Baseboard Explore for Cortex-A9",
+ .init = realview_pbx_a9_init,
+ .block_default_type = IF_SCSI,
+ .max_cpus = 4,
+ DEFAULT_MACHINE_OPTIONS,
+};
+
+static void realview_machine_init(void)
+{
+ qemu_register_machine(&realview_eb_machine);
+ qemu_register_machine(&realview_eb_mpcore_machine);
+ qemu_register_machine(&realview_pb_a8_machine);
+ qemu_register_machine(&realview_pbx_a9_machine);
+}
+
+machine_init(realview_machine_init);
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