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494 lines
16 KiB
C
494 lines
16 KiB
C
/*
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* ARM RealView Baseboard System emulation.
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*
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* Copyright (c) 2006-2007 CodeSourcery.
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* Written by Paul Brook
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*
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* This code is licensed under the GPL.
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*/
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#include "qemu/osdep.h"
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#include "qapi/error.h"
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#include "cpu.h"
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#include "hw/sysbus.h"
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#include "hw/arm/boot.h"
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#include "hw/arm/primecell.h"
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#include "hw/core/split-irq.h"
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#include "hw/net/lan9118.h"
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#include "hw/net/smc91c111.h"
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#include "hw/pci/pci.h"
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#include "hw/qdev-core.h"
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#include "net/net.h"
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#include "sysemu/sysemu.h"
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#include "hw/boards.h"
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#include "hw/i2c/i2c.h"
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#include "qemu/error-report.h"
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#include "hw/char/pl011.h"
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#include "hw/cpu/a9mpcore.h"
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#include "hw/intc/realview_gic.h"
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#include "hw/irq.h"
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#include "hw/i2c/arm_sbcon_i2c.h"
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#include "hw/sd/sd.h"
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#include "audio/audio.h"
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#include "target/arm/cpu-qom.h"
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#define SMP_BOOT_ADDR 0xe0000000
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#define SMP_BOOTREG_ADDR 0x10000030
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/* Board init. */
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static struct arm_boot_info realview_binfo = {
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.smp_loader_start = SMP_BOOT_ADDR,
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.smp_bootreg_addr = SMP_BOOTREG_ADDR,
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};
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/* The following two lists must be consistent. */
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enum realview_board_type {
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BOARD_EB,
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BOARD_EB_MPCORE,
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BOARD_PB_A8,
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BOARD_PBX_A9,
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};
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static const int realview_board_id[] = {
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0x33b,
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0x33b,
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0x769,
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0x76d
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};
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static void split_irq_from_named(DeviceState *src, const char* outname,
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qemu_irq out1, qemu_irq out2) {
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DeviceState *splitter = qdev_new(TYPE_SPLIT_IRQ);
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qdev_prop_set_uint32(splitter, "num-lines", 2);
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qdev_realize_and_unref(splitter, NULL, &error_fatal);
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qdev_connect_gpio_out(splitter, 0, out1);
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qdev_connect_gpio_out(splitter, 1, out2);
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qdev_connect_gpio_out_named(src, outname, 0,
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qdev_get_gpio_in(splitter, 0));
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}
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static void realview_init(MachineState *machine,
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enum realview_board_type board_type)
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{
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ARMCPU *cpu = NULL;
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CPUARMState *env;
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MemoryRegion *sysmem = get_system_memory();
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MemoryRegion *ram_lo;
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MemoryRegion *ram_hi = g_new(MemoryRegion, 1);
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MemoryRegion *ram_alias = g_new(MemoryRegion, 1);
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MemoryRegion *ram_hack = g_new(MemoryRegion, 1);
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DeviceState *dev, *sysctl, *gpio2, *pl041;
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SysBusDevice *busdev;
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qemu_irq pic[64];
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PCIBus *pci_bus = NULL;
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DriveInfo *dinfo;
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I2CBus *i2c;
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int n;
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unsigned int smp_cpus = machine->smp.cpus;
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qemu_irq cpu_irq[4];
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int is_mpcore = 0;
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int is_pb = 0;
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uint32_t proc_id = 0;
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uint32_t sys_id;
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ram_addr_t low_ram_size;
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ram_addr_t ram_size = machine->ram_size;
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hwaddr periphbase = 0;
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switch (board_type) {
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case BOARD_EB:
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break;
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case BOARD_EB_MPCORE:
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is_mpcore = 1;
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periphbase = 0x10100000;
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break;
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case BOARD_PB_A8:
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is_pb = 1;
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break;
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case BOARD_PBX_A9:
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is_mpcore = 1;
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is_pb = 1;
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periphbase = 0x1f000000;
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break;
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}
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for (n = 0; n < smp_cpus; n++) {
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Object *cpuobj = object_new(machine->cpu_type);
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/* By default A9,A15 and ARM1176 CPUs have EL3 enabled. This board
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* does not currently support EL3 so the CPU EL3 property is disabled
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* before realization.
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*/
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if (object_property_find(cpuobj, "has_el3")) {
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object_property_set_bool(cpuobj, "has_el3", false, &error_fatal);
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}
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if (is_pb && is_mpcore) {
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object_property_set_int(cpuobj, "reset-cbar", periphbase,
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&error_fatal);
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}
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qdev_realize(DEVICE(cpuobj), NULL, &error_fatal);
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cpu_irq[n] = qdev_get_gpio_in(DEVICE(cpuobj), ARM_CPU_IRQ);
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}
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cpu = ARM_CPU(first_cpu);
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env = &cpu->env;
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if (arm_feature(env, ARM_FEATURE_V7)) {
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if (is_mpcore) {
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proc_id = 0x0c000000;
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} else {
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proc_id = 0x0e000000;
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}
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} else if (arm_feature(env, ARM_FEATURE_V6K)) {
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proc_id = 0x06000000;
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} else if (arm_feature(env, ARM_FEATURE_V6)) {
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proc_id = 0x04000000;
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} else {
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proc_id = 0x02000000;
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}
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if (is_pb && ram_size > 0x20000000) {
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/* Core tile RAM. */
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ram_lo = g_new(MemoryRegion, 1);
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low_ram_size = ram_size - 0x20000000;
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ram_size = 0x20000000;
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memory_region_init_ram(ram_lo, NULL, "realview.lowmem", low_ram_size,
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&error_fatal);
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memory_region_add_subregion(sysmem, 0x20000000, ram_lo);
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}
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memory_region_init_ram(ram_hi, NULL, "realview.highmem", ram_size,
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&error_fatal);
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low_ram_size = ram_size;
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if (low_ram_size > 0x10000000)
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low_ram_size = 0x10000000;
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/* SDRAM at address zero. */
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memory_region_init_alias(ram_alias, NULL, "realview.alias",
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ram_hi, 0, low_ram_size);
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memory_region_add_subregion(sysmem, 0, ram_alias);
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if (is_pb) {
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/* And again at a high address. */
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memory_region_add_subregion(sysmem, 0x70000000, ram_hi);
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} else {
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ram_size = low_ram_size;
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}
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sys_id = is_pb ? 0x01780500 : 0xc1400400;
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sysctl = qdev_new("realview_sysctl");
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qdev_prop_set_uint32(sysctl, "sys_id", sys_id);
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qdev_prop_set_uint32(sysctl, "proc_id", proc_id);
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sysbus_realize_and_unref(SYS_BUS_DEVICE(sysctl), &error_fatal);
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sysbus_mmio_map(SYS_BUS_DEVICE(sysctl), 0, 0x10000000);
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if (is_mpcore) {
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dev = qdev_new(is_pb ? TYPE_A9MPCORE_PRIV : "realview_mpcore");
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qdev_prop_set_uint32(dev, "num-cpu", smp_cpus);
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busdev = SYS_BUS_DEVICE(dev);
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sysbus_realize_and_unref(busdev, &error_fatal);
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sysbus_mmio_map(busdev, 0, periphbase);
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for (n = 0; n < smp_cpus; n++) {
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sysbus_connect_irq(busdev, n, cpu_irq[n]);
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}
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sysbus_create_varargs("l2x0", periphbase + 0x2000, NULL);
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/* Both A9 and 11MPCore put the GIC CPU i/f at base + 0x100 */
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realview_binfo.gic_cpu_if_addr = periphbase + 0x100;
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} else {
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uint32_t gic_addr = is_pb ? 0x1e000000 : 0x10040000;
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/* For now just create the nIRQ GIC, and ignore the others. */
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dev = sysbus_create_simple(TYPE_REALVIEW_GIC, gic_addr, cpu_irq[0]);
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}
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for (n = 0; n < 64; n++) {
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pic[n] = qdev_get_gpio_in(dev, n);
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}
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pl041 = qdev_new("pl041");
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qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512);
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if (machine->audiodev) {
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qdev_prop_set_string(pl041, "audiodev", machine->audiodev);
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}
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sysbus_realize_and_unref(SYS_BUS_DEVICE(pl041), &error_fatal);
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sysbus_mmio_map(SYS_BUS_DEVICE(pl041), 0, 0x10004000);
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sysbus_connect_irq(SYS_BUS_DEVICE(pl041), 0, pic[19]);
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sysbus_create_simple("pl050_keyboard", 0x10006000, pic[20]);
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sysbus_create_simple("pl050_mouse", 0x10007000, pic[21]);
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pl011_create(0x10009000, pic[12], serial_hd(0));
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pl011_create(0x1000a000, pic[13], serial_hd(1));
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pl011_create(0x1000b000, pic[14], serial_hd(2));
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pl011_create(0x1000c000, pic[15], serial_hd(3));
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/* DMA controller is optional, apparently. */
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dev = qdev_new("pl081");
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object_property_set_link(OBJECT(dev), "downstream", OBJECT(sysmem),
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&error_fatal);
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busdev = SYS_BUS_DEVICE(dev);
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sysbus_realize_and_unref(busdev, &error_fatal);
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sysbus_mmio_map(busdev, 0, 0x10030000);
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sysbus_connect_irq(busdev, 0, pic[24]);
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sysbus_create_simple("sp804", 0x10011000, pic[4]);
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sysbus_create_simple("sp804", 0x10012000, pic[5]);
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sysbus_create_simple("pl061", 0x10013000, pic[6]);
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sysbus_create_simple("pl061", 0x10014000, pic[7]);
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gpio2 = sysbus_create_simple("pl061", 0x10015000, pic[8]);
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dev = qdev_new("pl111");
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object_property_set_link(OBJECT(dev), "framebuffer-memory",
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OBJECT(sysmem), &error_fatal);
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sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
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sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0x10020000);
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sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[23]);
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dev = sysbus_create_varargs("pl181", 0x10005000, pic[17], pic[18], NULL);
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/* Wire up MMC card detect and read-only signals. These have
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* to go to both the PL061 GPIO and the sysctl register.
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* Note that the PL181 orders these lines (readonly,inserted)
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* and the PL061 has them the other way about. Also the card
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* detect line is inverted.
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*/
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split_irq_from_named(dev, "card-read-only",
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qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_WPROT),
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qdev_get_gpio_in(gpio2, 1));
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split_irq_from_named(dev, "card-inserted",
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qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_CARDIN),
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qemu_irq_invert(qdev_get_gpio_in(gpio2, 0)));
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dinfo = drive_get(IF_SD, 0, 0);
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if (dinfo) {
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DeviceState *card;
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card = qdev_new(TYPE_SD_CARD);
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qdev_prop_set_drive_err(card, "drive", blk_by_legacy_dinfo(dinfo),
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&error_fatal);
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qdev_realize_and_unref(card, qdev_get_child_bus(dev, "sd-bus"),
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&error_fatal);
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}
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sysbus_create_simple("pl031", 0x10017000, pic[10]);
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if (!is_pb) {
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dev = qdev_new("realview_pci");
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busdev = SYS_BUS_DEVICE(dev);
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sysbus_realize_and_unref(busdev, &error_fatal);
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sysbus_mmio_map(busdev, 0, 0x10019000); /* PCI controller registers */
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sysbus_mmio_map(busdev, 1, 0x60000000); /* PCI self-config */
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sysbus_mmio_map(busdev, 2, 0x61000000); /* PCI config */
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sysbus_mmio_map(busdev, 3, 0x62000000); /* PCI I/O */
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sysbus_mmio_map(busdev, 4, 0x63000000); /* PCI memory window 1 */
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sysbus_mmio_map(busdev, 5, 0x64000000); /* PCI memory window 2 */
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sysbus_mmio_map(busdev, 6, 0x68000000); /* PCI memory window 3 */
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sysbus_connect_irq(busdev, 0, pic[48]);
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sysbus_connect_irq(busdev, 1, pic[49]);
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sysbus_connect_irq(busdev, 2, pic[50]);
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sysbus_connect_irq(busdev, 3, pic[51]);
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pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci");
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if (machine_usb(machine)) {
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pci_create_simple(pci_bus, -1, "pci-ohci");
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}
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n = drive_get_max_bus(IF_SCSI);
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while (n >= 0) {
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dev = DEVICE(pci_create_simple(pci_bus, -1, "lsi53c895a"));
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lsi53c8xx_handle_legacy_cmdline(dev);
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n--;
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}
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}
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if (qemu_find_nic_info(is_pb ? "lan9118" : "smc91c111", true, NULL)) {
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if (is_pb) {
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lan9118_init(0x4e000000, pic[28]);
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} else {
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smc91c111_init(0x4e000000, pic[28]);
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}
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}
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if (pci_bus) {
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pci_init_nic_devices(pci_bus, "rtl8139");
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}
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dev = sysbus_create_simple(TYPE_ARM_SBCON_I2C, 0x10002000, NULL);
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i2c = (I2CBus *)qdev_get_child_bus(dev, "i2c");
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i2c_slave_create_simple(i2c, "ds1338", 0x68);
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/* Memory map for RealView Emulation Baseboard: */
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/* 0x10000000 System registers. */
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/* 0x10001000 System controller. */
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/* 0x10002000 Two-Wire Serial Bus. */
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/* 0x10003000 Reserved. */
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/* 0x10004000 AACI. */
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/* 0x10005000 MCI. */
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/* 0x10006000 KMI0. */
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/* 0x10007000 KMI1. */
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/* 0x10008000 Character LCD. (EB) */
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/* 0x10009000 UART0. */
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/* 0x1000a000 UART1. */
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/* 0x1000b000 UART2. */
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/* 0x1000c000 UART3. */
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/* 0x1000d000 SSPI. */
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/* 0x1000e000 SCI. */
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/* 0x1000f000 Reserved. */
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/* 0x10010000 Watchdog. */
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/* 0x10011000 Timer 0+1. */
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/* 0x10012000 Timer 2+3. */
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/* 0x10013000 GPIO 0. */
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/* 0x10014000 GPIO 1. */
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/* 0x10015000 GPIO 2. */
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/* 0x10002000 Two-Wire Serial Bus - DVI. (PB) */
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/* 0x10017000 RTC. */
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/* 0x10018000 DMC. */
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/* 0x10019000 PCI controller config. */
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/* 0x10020000 CLCD. */
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/* 0x10030000 DMA Controller. */
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/* 0x10040000 GIC1. (EB) */
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/* 0x10050000 GIC2. (EB) */
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/* 0x10060000 GIC3. (EB) */
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/* 0x10070000 GIC4. (EB) */
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/* 0x10080000 SMC. */
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/* 0x1e000000 GIC1. (PB) */
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/* 0x1e001000 GIC2. (PB) */
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/* 0x1e002000 GIC3. (PB) */
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/* 0x1e003000 GIC4. (PB) */
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/* 0x40000000 NOR flash. */
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/* 0x44000000 DoC flash. */
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/* 0x48000000 SRAM. */
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/* 0x4c000000 Configuration flash. */
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/* 0x4e000000 Ethernet. */
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/* 0x4f000000 USB. */
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/* 0x50000000 PISMO. */
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/* 0x54000000 PISMO. */
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/* 0x58000000 PISMO. */
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/* 0x5c000000 PISMO. */
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/* 0x60000000 PCI. */
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/* 0x60000000 PCI Self Config. */
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/* 0x61000000 PCI Config. */
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/* 0x62000000 PCI IO. */
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/* 0x63000000 PCI mem 0. */
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/* 0x64000000 PCI mem 1. */
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/* 0x68000000 PCI mem 2. */
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/* ??? Hack to map an additional page of ram for the secondary CPU
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startup code. I guess this works on real hardware because the
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BootROM happens to be in ROM/flash or in memory that isn't clobbered
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until after Linux boots the secondary CPUs. */
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memory_region_init_ram(ram_hack, NULL, "realview.hack", 0x1000,
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&error_fatal);
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memory_region_add_subregion(sysmem, SMP_BOOT_ADDR, ram_hack);
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realview_binfo.ram_size = ram_size;
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realview_binfo.board_id = realview_board_id[board_type];
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realview_binfo.loader_start = (board_type == BOARD_PB_A8 ? 0x70000000 : 0);
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arm_load_kernel(cpu, machine, &realview_binfo);
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}
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static void realview_eb_init(MachineState *machine)
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{
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realview_init(machine, BOARD_EB);
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}
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static void realview_eb_mpcore_init(MachineState *machine)
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{
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realview_init(machine, BOARD_EB_MPCORE);
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}
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static void realview_pb_a8_init(MachineState *machine)
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{
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realview_init(machine, BOARD_PB_A8);
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}
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static void realview_pbx_a9_init(MachineState *machine)
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{
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realview_init(machine, BOARD_PBX_A9);
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}
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static void realview_eb_class_init(ObjectClass *oc, void *data)
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{
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MachineClass *mc = MACHINE_CLASS(oc);
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mc->desc = "ARM RealView Emulation Baseboard (ARM926EJ-S)";
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mc->init = realview_eb_init;
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mc->block_default_type = IF_SCSI;
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mc->ignore_memory_transaction_failures = true;
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mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm926");
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machine_add_audiodev_property(mc);
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}
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static const TypeInfo realview_eb_type = {
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.name = MACHINE_TYPE_NAME("realview-eb"),
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.parent = TYPE_MACHINE,
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.class_init = realview_eb_class_init,
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};
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static void realview_eb_mpcore_class_init(ObjectClass *oc, void *data)
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{
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MachineClass *mc = MACHINE_CLASS(oc);
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mc->desc = "ARM RealView Emulation Baseboard (ARM11MPCore)";
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mc->init = realview_eb_mpcore_init;
|
|
mc->block_default_type = IF_SCSI;
|
|
mc->max_cpus = 4;
|
|
mc->ignore_memory_transaction_failures = true;
|
|
mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm11mpcore");
|
|
|
|
machine_add_audiodev_property(mc);
|
|
}
|
|
|
|
static const TypeInfo realview_eb_mpcore_type = {
|
|
.name = MACHINE_TYPE_NAME("realview-eb-mpcore"),
|
|
.parent = TYPE_MACHINE,
|
|
.class_init = realview_eb_mpcore_class_init,
|
|
};
|
|
|
|
static void realview_pb_a8_class_init(ObjectClass *oc, void *data)
|
|
{
|
|
MachineClass *mc = MACHINE_CLASS(oc);
|
|
|
|
mc->desc = "ARM RealView Platform Baseboard for Cortex-A8";
|
|
mc->init = realview_pb_a8_init;
|
|
mc->ignore_memory_transaction_failures = true;
|
|
mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a8");
|
|
|
|
machine_add_audiodev_property(mc);
|
|
}
|
|
|
|
static const TypeInfo realview_pb_a8_type = {
|
|
.name = MACHINE_TYPE_NAME("realview-pb-a8"),
|
|
.parent = TYPE_MACHINE,
|
|
.class_init = realview_pb_a8_class_init,
|
|
};
|
|
|
|
static void realview_pbx_a9_class_init(ObjectClass *oc, void *data)
|
|
{
|
|
MachineClass *mc = MACHINE_CLASS(oc);
|
|
|
|
mc->desc = "ARM RealView Platform Baseboard Explore for Cortex-A9";
|
|
mc->init = realview_pbx_a9_init;
|
|
mc->max_cpus = 4;
|
|
mc->ignore_memory_transaction_failures = true;
|
|
mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a9");
|
|
|
|
machine_add_audiodev_property(mc);
|
|
}
|
|
|
|
static const TypeInfo realview_pbx_a9_type = {
|
|
.name = MACHINE_TYPE_NAME("realview-pbx-a9"),
|
|
.parent = TYPE_MACHINE,
|
|
.class_init = realview_pbx_a9_class_init,
|
|
};
|
|
|
|
static void realview_machine_init(void)
|
|
{
|
|
type_register_static(&realview_eb_type);
|
|
type_register_static(&realview_eb_mpcore_type);
|
|
type_register_static(&realview_pb_a8_type);
|
|
type_register_static(&realview_pbx_a9_type);
|
|
}
|
|
|
|
type_init(realview_machine_init)
|