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/*
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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 "sysbus.h" |
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#include "arm-misc.h" |
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#include "primecell.h" |
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#include "devices.h" |
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#include "pci.h" |
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#include "net.h" |
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#include "sysemu.h" |
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#include "boards.h" |
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#include "i2c.h" |
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#include "blockdev.h" |
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#include "exec-memory.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 realview_init(ram_addr_t ram_size, |
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const char *boot_device, |
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const char *kernel_filename, const char *kernel_cmdline, |
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const char *initrd_filename, const char *cpu_model, |
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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 = g_new(MemoryRegion, 1);
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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 *irqp; |
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qemu_irq pic[64];
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qemu_irq mmc_irq[2];
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PCIBus *pci_bus; |
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NICInfo *nd; |
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i2c_bus *i2c; |
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int n;
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int done_nic = 0; |
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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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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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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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break;
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} |
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for (n = 0; n < smp_cpus; n++) { |
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cpu = cpu_arm_init(cpu_model); |
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if (!cpu) {
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fprintf(stderr, "Unable to find CPU definition\n");
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exit(1);
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} |
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irqp = arm_pic_init_cpu(&cpu->env); |
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cpu_irq[n] = irqp[ARM_PIC_CPU_IRQ]; |
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} |
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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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low_ram_size = ram_size - 0x20000000;
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ram_size = 0x20000000;
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memory_region_init_ram(ram_lo, "realview.lowmem", low_ram_size);
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vmstate_register_ram_global(ram_lo); |
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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, "realview.highmem", ram_size);
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vmstate_register_ram_global(ram_hi); |
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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, "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_create(NULL, "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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qdev_init_nofail(sysctl); |
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sysbus_mmio_map(sysbus_from_qdev(sysctl), 0, 0x10000000); |
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if (is_mpcore) {
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target_phys_addr_t periphbase; |
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dev = qdev_create(NULL, is_pb ? "a9mpcore_priv": "realview_mpcore"); |
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qdev_prop_set_uint32(dev, "num-cpu", smp_cpus);
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qdev_init_nofail(dev); |
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busdev = sysbus_from_qdev(dev); |
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if (is_pb) {
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periphbase = 0x1f000000;
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} else {
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periphbase = 0x10100000;
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} |
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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("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_create(NULL, "pl041"); |
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qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512); |
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qdev_init_nofail(pl041); |
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sysbus_mmio_map(sysbus_from_qdev(pl041), 0, 0x10004000); |
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sysbus_connect_irq(sysbus_from_qdev(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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sysbus_create_simple("pl011", 0x10009000, pic[12]); |
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sysbus_create_simple("pl011", 0x1000a000, pic[13]); |
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sysbus_create_simple("pl011", 0x1000b000, pic[14]); |
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sysbus_create_simple("pl011", 0x1000c000, pic[15]); |
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/* DMA controller is optional, apparently. */
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sysbus_create_simple("pl081", 0x10030000, 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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sysbus_create_simple("pl111", 0x10020000, 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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mmc_irq[0] = qemu_irq_split(
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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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mmc_irq[1] = qemu_irq_split(
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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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qdev_connect_gpio_out(dev, 0, mmc_irq[0]); |
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qdev_connect_gpio_out(dev, 1, mmc_irq[1]); |
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sysbus_create_simple("pl031", 0x10017000, pic[10]); |
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if (!is_pb) {
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dev = qdev_create(NULL, "realview_pci"); |
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busdev = sysbus_from_qdev(dev); |
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qdev_init_nofail(dev); |
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sysbus_mmio_map(busdev, 0, 0x61000000); /* PCI self-config */ |
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sysbus_mmio_map(busdev, 1, 0x62000000); /* PCI config */ |
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sysbus_mmio_map(busdev, 2, 0x63000000); /* PCI I/O */ |
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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 (usb_enabled) {
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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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pci_create_simple(pci_bus, -1, "lsi53c895a"); |
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n--; |
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} |
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} |
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for(n = 0; n < nb_nics; n++) { |
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nd = &nd_table[n]; |
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if (!done_nic && (!nd->model ||
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strcmp(nd->model, is_pb ? "lan9118" : "smc91c111") == 0)) { |
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if (is_pb) {
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lan9118_init(nd, 0x4e000000, pic[28]); |
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} else {
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smc91c111_init(nd, 0x4e000000, pic[28]); |
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} |
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done_nic = 1;
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} else {
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pci_nic_init_nofail(nd, "rtl8139", NULL); |
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} |
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} |
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dev = sysbus_create_simple("versatile_i2c", 0x10002000, NULL); |
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i2c = (i2c_bus *)qdev_get_child_bus(dev, "i2c");
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i2c_create_slave(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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/* 0x61000000 PCI Self Config. */
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/* 0x62000000 PCI Config. */
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/* 0x63000000 PCI IO. */
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/* 0x64000000 PCI mem 0. */
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/* 0x68000000 PCI mem 1. */
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/* 0x6c000000 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, "realview.hack", 0x1000); |
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vmstate_register_ram_global(ram_hack); |
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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.kernel_filename = kernel_filename; |
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realview_binfo.kernel_cmdline = kernel_cmdline; |
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realview_binfo.initrd_filename = initrd_filename; |
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realview_binfo.nb_cpus = smp_cpus; |
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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(first_cpu, &realview_binfo); |
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} |
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|
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static void realview_eb_init(ram_addr_t ram_size, |
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const char *boot_device, |
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const char *kernel_filename, const char *kernel_cmdline, |
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const char *initrd_filename, const char *cpu_model) |
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{ |
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if (!cpu_model) {
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cpu_model = "arm926";
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} |
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realview_init(ram_size, boot_device, kernel_filename, kernel_cmdline, |
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initrd_filename, cpu_model, BOARD_EB); |
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} |
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|
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static void realview_eb_mpcore_init(ram_addr_t ram_size, |
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const char *boot_device, |
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const char *kernel_filename, const char *kernel_cmdline, |
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const char *initrd_filename, const char *cpu_model) |
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{ |
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if (!cpu_model) {
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cpu_model = "arm11mpcore";
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} |
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realview_init(ram_size, boot_device, kernel_filename, kernel_cmdline, |
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initrd_filename, cpu_model, BOARD_EB_MPCORE); |
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} |
356 |
|
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static void realview_pb_a8_init(ram_addr_t ram_size, |
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const char *boot_device, |
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const char *kernel_filename, const char *kernel_cmdline, |
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const char *initrd_filename, const char *cpu_model) |
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{ |
362 |
if (!cpu_model) {
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cpu_model = "cortex-a8";
|
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} |
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realview_init(ram_size, boot_device, kernel_filename, kernel_cmdline, |
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initrd_filename, cpu_model, BOARD_PB_A8); |
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} |
368 |
|
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static void realview_pbx_a9_init(ram_addr_t ram_size, |
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const char *boot_device, |
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const char *kernel_filename, const char *kernel_cmdline, |
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const char *initrd_filename, const char *cpu_model) |
373 |
{ |
374 |
if (!cpu_model) {
|
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cpu_model = "cortex-a9";
|
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} |
377 |
realview_init(ram_size, boot_device, kernel_filename, kernel_cmdline, |
378 |
initrd_filename, cpu_model, BOARD_PBX_A9); |
379 |
} |
380 |
|
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static QEMUMachine realview_eb_machine = {
|
382 |
.name = "realview-eb",
|
383 |
.desc = "ARM RealView Emulation Baseboard (ARM926EJ-S)",
|
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.init = realview_eb_init, |
385 |
.use_scsi = 1,
|
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}; |
387 |
|
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static QEMUMachine realview_eb_mpcore_machine = {
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.name = "realview-eb-mpcore",
|
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.desc = "ARM RealView Emulation Baseboard (ARM11MPCore)",
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.init = realview_eb_mpcore_init, |
392 |
.use_scsi = 1,
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.max_cpus = 4,
|
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}; |
395 |
|
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static QEMUMachine realview_pb_a8_machine = {
|
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.name = "realview-pb-a8",
|
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.desc = "ARM RealView Platform Baseboard for Cortex-A8",
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.init = realview_pb_a8_init, |
400 |
}; |
401 |
|
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static QEMUMachine realview_pbx_a9_machine = {
|
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.name = "realview-pbx-a9",
|
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.desc = "ARM RealView Platform Baseboard Explore for Cortex-A9",
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.init = realview_pbx_a9_init, |
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.use_scsi = 1,
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.max_cpus = 4,
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}; |
409 |
|
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static void realview_machine_init(void) |
411 |
{ |
412 |
qemu_register_machine(&realview_eb_machine); |
413 |
qemu_register_machine(&realview_eb_mpcore_machine); |
414 |
qemu_register_machine(&realview_pb_a8_machine); |
415 |
qemu_register_machine(&realview_pbx_a9_machine); |
416 |
} |
417 |
|
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machine_init(realview_machine_init); |