diff options
Diffstat (limited to 'hw/realview.c')
| -rw-r--r-- | hw/realview.c | 101 |
1 files changed, 76 insertions, 25 deletions
diff --git a/hw/realview.c b/hw/realview.c index 375f78acd..29579d87b 100644 --- a/hw/realview.c +++ b/hw/realview.c @@ -7,13 +7,19 @@ * This code is licenced under the GPL. */ -#include "vl.h" -#include "arm_pic.h" +#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 void realview_init(int ram_size, int vga_ram_size, int boot_device, - DisplayState *ds, const char **fd_filename, int snapshot, +static void realview_init(int 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) { @@ -24,28 +30,57 @@ static void realview_init(int ram_size, int vga_ram_size, int boot_device, NICInfo *nd; int n; int done_smc = 0; + qemu_irq cpu_irq[4]; + int ncpu; + int index; - env = cpu_init(); if (!cpu_model) cpu_model = "arm926"; - cpu_arm_set_model(env, cpu_model); + /* 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); - pic = arm_pic_init_cpu(env); - /* ??? 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 = arm_gic_init(0x10040000, pic[ARM_PIC_CPU_IRQ]); + + 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_init(0x1000a000, pic[13], serial_hds[1]); - pl011_init(0x1000b000, pic[14], serial_hds[2]); - pl011_init(0x1000c000, pic[15], serial_hds[3]); + 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); @@ -55,7 +90,12 @@ static void realview_init(int ram_size, int vga_ram_size, int boot_device, pl110_init(ds, 0x10020000, pic[23], 1); - pl181_init(0x10005000, sd_bdrv, pic[17], pic[18]); + 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]); @@ -63,11 +103,16 @@ static void realview_init(int ram_size, int vga_ram_size, int boot_device, 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 < MAX_DISKS; n++) { - if (bs_table[n]) { - lsi_scsi_attach(scsi_hba, bs_table[n], n); - } + 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]; @@ -109,10 +154,10 @@ static void realview_init(int ram_size, int vga_ram_size, int boot_device, /* 0x10019000 PCI controller config. */ /* 0x10020000 CLCD. */ /* 0x10030000 DMA Controller. */ - /* 0x10040000 GIC1 (FIQ1). */ - /* 0x10050000 GIC2 (IRQ1). */ - /* 0x10060000 GIC3 (FIQ2). */ - /* 0x10070000 GIC4 (IRQ2). */ + /* 0x10040000 GIC1. */ + /* 0x10050000 GIC2. */ + /* 0x10060000 GIC3. */ + /* 0x10070000 GIC4. */ /* 0x10080000 SMC. */ /* 0x40000000 NOR flash. */ /* 0x44000000 DoC flash. */ @@ -132,8 +177,14 @@ static void realview_init(int ram_size, int vga_ram_size, int boot_device, /* 0x68000000 PCI mem 1. */ /* 0x6c000000 PCI mem 2. */ - arm_load_kernel(env, ram_size, kernel_filename, kernel_cmdline, + 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 = { |