diff -r ffa851df0825 -r 2fb8b9db1c86 symbian-qemu-0.9.1-12/qemu-symbian-svp/hw/realview.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/symbian-qemu-0.9.1-12/qemu-symbian-svp/hw/realview.c Fri Jul 31 15:01:17 2009 +0100 @@ -0,0 +1,205 @@ +/* + * ARM RealView Baseboard System emulation. + * + * Copyright (c) 2006-2007 CodeSourcery. + * Written by Paul Brook + * + * This code is licenced under the GPL. + */ + +#include "hw.h" +#include "arm-misc.h" +#include "primecell.h" +#include "devices.h" +#include "pci.h" +#include "net.h" +#include "sysemu.h" +#include "boards.h" + +/* Board init. */ + +static struct arm_boot_info realview_binfo = { + .loader_start = 0x0, + .board_id = 0x33b, +}; + +static void realview_init(ram_addr_t ram_size, int vga_ram_size, + const char *boot_device, DisplayState *ds, + 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; + int index; + + 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 should 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); + + index = drive_get_index(IF_SD, 0, 0); + if (index == -1) { + fprintf(stderr, "qemu: missing SecureDigital card\n"); + exit(1); + } + pl181_init(0x10005000, drives_table[index].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); + } + if (drive_get_max_bus(IF_SCSI) > 0) { + fprintf(stderr, "qemu: too many SCSI bus\n"); + exit(1); + } + scsi_hba = lsi_scsi_init(pci_bus, -1); + for (n = 0; n < LSI_MAX_DEVS; n++) { + index = drive_get_index(IF_SCSI, 0, n); + if (index == -1) + continue; + lsi_scsi_attach(scsi_hba, drives_table[index].bdrv, 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. */ + + realview_binfo.ram_size = ram_size; + realview_binfo.kernel_filename = kernel_filename; + realview_binfo.kernel_cmdline = kernel_cmdline; + realview_binfo.initrd_filename = initrd_filename; + realview_binfo.nb_cpus = ncpu; + arm_load_kernel(first_cpu, &realview_binfo); + + /* ??? 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 = { + .name = "realview", + .desc = "ARM RealView Emulation Baseboard (ARM926EJ-S)", + .init = realview_init, + .ram_require = 0x1000, + .use_scsi = 1, +};