root / hw / realview.c @ a245f2e7
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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 licenced under the GPL.
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*/
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#include "hw.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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/* Board init. */
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static struct arm_boot_info realview_binfo = { |
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.loader_start = 0x0,
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.board_id = 0x33b,
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}; |
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static void realview_init(ram_addr_t ram_size, int vga_ram_size, |
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const char *boot_device, DisplayState *ds, |
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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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CPUState *env; |
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qemu_irq *pic; |
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void *scsi_hba;
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PCIBus *pci_bus; |
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NICInfo *nd; |
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int n;
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int done_smc = 0; |
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qemu_irq cpu_irq[4];
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int ncpu;
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int index;
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if (!cpu_model)
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cpu_model = "arm926";
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/* FIXME: obey smp_cpus. */
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if (strcmp(cpu_model, "arm11mpcore") == 0) { |
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ncpu = 4;
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} else {
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ncpu = 1;
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} |
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for (n = 0; n < ncpu; n++) { |
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env = cpu_init(cpu_model); |
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if (!env) {
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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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pic = arm_pic_init_cpu(env); |
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cpu_irq[n] = pic[ARM_PIC_CPU_IRQ]; |
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if (n > 0) { |
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/* Set entry point for secondary CPUs. This assumes we're using
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the init code from arm_boot.c. Real hardware resets all CPUs
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the same. */
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env->regs[15] = 0x80000000; |
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} |
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} |
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/* ??? RAM should repeat to fill physical memory space. */
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/* SDRAM at address zero. */
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cpu_register_physical_memory(0, ram_size, IO_MEM_RAM);
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arm_sysctl_init(0x10000000, 0xc1400400); |
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if (ncpu == 1) { |
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/* ??? The documentation says GIC1 is nFIQ and either GIC2 or GIC3
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is nIRQ (there are inconsistencies). However Linux 2.6.17 expects
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GIC1 to be nIRQ and ignores all the others, so do that for now. */
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pic = realview_gic_init(0x10040000, cpu_irq[0]); |
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} else {
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pic = mpcore_irq_init(cpu_irq); |
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} |
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pl050_init(0x10006000, pic[20], 0); |
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pl050_init(0x10007000, pic[21], 1); |
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pl011_init(0x10009000, pic[12], serial_hds[0], PL011_ARM); |
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pl011_init(0x1000a000, pic[13], serial_hds[1], PL011_ARM); |
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pl011_init(0x1000b000, pic[14], serial_hds[2], PL011_ARM); |
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pl011_init(0x1000c000, pic[15], serial_hds[3], PL011_ARM); |
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/* DMA controller is optional, apparently. */
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pl080_init(0x10030000, pic[24], 2); |
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sp804_init(0x10011000, pic[4]); |
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sp804_init(0x10012000, pic[5]); |
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pl110_init(ds, 0x10020000, pic[23], 1); |
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index = drive_get_index(IF_SD, 0, 0); |
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if (index == -1) { |
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fprintf(stderr, "qemu: missing SecureDigital card\n");
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exit(1);
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} |
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pl181_init(0x10005000, drives_table[index].bdrv, pic[17], pic[18]); |
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pl031_init(0x10017000, pic[10]); |
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pci_bus = pci_vpb_init(pic, 48, 1); |
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if (usb_enabled) {
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usb_ohci_init_pci(pci_bus, 3, -1); |
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} |
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if (drive_get_max_bus(IF_SCSI) > 0) { |
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fprintf(stderr, "qemu: too many SCSI bus\n");
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exit(1);
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} |
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scsi_hba = lsi_scsi_init(pci_bus, -1);
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for (n = 0; n < LSI_MAX_DEVS; n++) { |
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index = drive_get_index(IF_SCSI, 0, n);
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if (index == -1) |
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continue;
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lsi_scsi_attach(scsi_hba, drives_table[index].bdrv, n); |
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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 (!nd->model)
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nd->model = done_smc ? "rtl8139" : "smc91c111"; |
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if (strcmp(nd->model, "smc91c111") == 0) { |
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smc91c111_init(nd, 0x4e000000, pic[28]); |
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} else {
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pci_nic_init(pci_bus, nd, -1);
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} |
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} |
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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. */
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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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/* 0x10016000 Reserved. */
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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. */
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/* 0x10050000 GIC2. */
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/* 0x10060000 GIC3. */
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/* 0x10070000 GIC4. */
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/* 0x10080000 SMC. */
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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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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 = ncpu; |
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arm_load_kernel(first_cpu, &realview_binfo); |
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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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cpu_register_physical_memory(0x80000000, 0x1000, IO_MEM_RAM + ram_size); |
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} |
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QEMUMachine realview_machine = { |
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"realview",
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"ARM RealView Emulation Baseboard (ARM926EJ-S)",
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realview_init, |
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0x1000
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}; |