| /* |
| * ARM RealView Baseboard System emulation. |
| * |
| * Copyright (c) 2006-2007 CodeSourcery. |
| * Written by Paul Brook |
| * |
| * This code is licenced under the GPL. |
| */ |
| |
| #include "vl.h" |
| #include "arm_pic.h" |
| |
| /* Board init. */ |
| |
| static void realview_init(int ram_size, int vga_ram_size, |
| const char *boot_device, DisplayState *ds, |
| const char **fd_filename, int snapshot, |
| const char *kernel_filename, const char *kernel_cmdline, |
| const char *initrd_filename, const char *cpu_model) |
| { |
| CPUState *env; |
| qemu_irq *pic; |
| void *scsi_hba; |
| PCIBus *pci_bus; |
| NICInfo *nd; |
| int n; |
| int done_smc = 0; |
| qemu_irq cpu_irq[4]; |
| int ncpu; |
| |
| if (!cpu_model) |
| cpu_model = "arm926"; |
| /* FIXME: obey smp_cpus. */ |
| if (strcmp(cpu_model, "arm11mpcore") == 0) { |
| ncpu = 4; |
| } else { |
| ncpu = 1; |
| } |
| |
| for (n = 0; n < ncpu; n++) { |
| env = cpu_init(cpu_model); |
| if (!env) { |
| fprintf(stderr, "Unable to find CPU definition\n"); |
| exit(1); |
| } |
| pic = arm_pic_init_cpu(env); |
| cpu_irq[n] = pic[ARM_PIC_CPU_IRQ]; |
| if (n > 0) { |
| /* Set entry point for secondary CPUs. This assumes we're using |
| the init code from arm_boot.c. Real hardware resets all CPUs |
| the same. */ |
| env->regs[15] = 0x80000000; |
| } |
| } |
| |
| /* ??? RAM shoud repeat to fill physical memory space. */ |
| /* SDRAM at address zero. */ |
| cpu_register_physical_memory(0, ram_size, IO_MEM_RAM); |
| |
| arm_sysctl_init(0x10000000, 0xc1400400); |
| |
| if (ncpu == 1) { |
| /* ??? The documentation says GIC1 is nFIQ and either GIC2 or GIC3 |
| is nIRQ (there are inconsistencies). However Linux 2.6.17 expects |
| GIC1 to be nIRQ and ignores all the others, so do that for now. */ |
| pic = realview_gic_init(0x10040000, cpu_irq[0]); |
| } else { |
| pic = mpcore_irq_init(cpu_irq); |
| } |
| |
| pl050_init(0x10006000, pic[20], 0); |
| pl050_init(0x10007000, pic[21], 1); |
| |
| pl011_init(0x10009000, pic[12], serial_hds[0], PL011_ARM); |
| pl011_init(0x1000a000, pic[13], serial_hds[1], PL011_ARM); |
| pl011_init(0x1000b000, pic[14], serial_hds[2], PL011_ARM); |
| pl011_init(0x1000c000, pic[15], serial_hds[3], PL011_ARM); |
| |
| /* DMA controller is optional, apparently. */ |
| pl080_init(0x10030000, pic[24], 2); |
| |
| sp804_init(0x10011000, pic[4]); |
| sp804_init(0x10012000, pic[5]); |
| |
| pl110_init(ds, 0x10020000, pic[23], 1); |
| |
| pl181_init(0x10005000, sd_bdrv, pic[17], pic[18]); |
| |
| pl031_init(0x10017000, pic[10]); |
| |
| pci_bus = pci_vpb_init(pic, 48, 1); |
| if (usb_enabled) { |
| usb_ohci_init_pci(pci_bus, 3, -1); |
| } |
| scsi_hba = lsi_scsi_init(pci_bus, -1); |
| for (n = 0; n < MAX_DISKS; n++) { |
| if (bs_table[n]) { |
| lsi_scsi_attach(scsi_hba, bs_table[n], n); |
| } |
| } |
| for(n = 0; n < nb_nics; n++) { |
| nd = &nd_table[n]; |
| if (!nd->model) |
| nd->model = done_smc ? "rtl8139" : "smc91c111"; |
| if (strcmp(nd->model, "smc91c111") == 0) { |
| smc91c111_init(nd, 0x4e000000, pic[28]); |
| } else { |
| pci_nic_init(pci_bus, nd, -1); |
| } |
| } |
| |
| /* 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. */ |
| /* 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. */ |
| /* 0x10016000 Reserved. */ |
| /* 0x10017000 RTC. */ |
| /* 0x10018000 DMC. */ |
| /* 0x10019000 PCI controller config. */ |
| /* 0x10020000 CLCD. */ |
| /* 0x10030000 DMA Controller. */ |
| /* 0x10040000 GIC1. */ |
| /* 0x10050000 GIC2. */ |
| /* 0x10060000 GIC3. */ |
| /* 0x10070000 GIC4. */ |
| /* 0x10080000 SMC. */ |
| /* 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. */ |
| |
| arm_load_kernel(first_cpu, ram_size, kernel_filename, kernel_cmdline, |
| initrd_filename, 0x33b, 0x0); |
| |
| /* ??? 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. */ |
| cpu_register_physical_memory(0x80000000, 0x1000, IO_MEM_RAM + ram_size); |
| } |
| |
| QEMUMachine realview_machine = { |
| "realview", |
| "ARM RealView Emulation Baseboard (ARM926EJ-S)", |
| realview_init |
| }; |