-/*
+/*
* ARM RealView Baseboard System emulation.
*
- * Copyright (c) 2006 CodeSourcery.
+ * Copyright (c) 2006-2007 CodeSourcery.
* Written by Paul Brook
*
* 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 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 *initrd_filename, const char *cpu_model)
{
CPUState *env;
- void *pic;
+ 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;
- env = cpu_init();
- cpu_arm_set_model(env, ARM_CPUID_ARM926);
- //cpu_arm_set_model(env, ARM_CPUID_ARM11MPCORE);
- /* ??? RAM shoud repeat to fill physical memory space. */
+ 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);
- 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);
- 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]);
+
+ 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);
+ pl080_init(0x10030000, pic[24], 2);
- sp804_init(0x10011000, pic, 4);
- sp804_init(0x10012000, pic, 5);
+ sp804_init(0x10011000, pic[4]);
+ sp804_init(0x10012000, pic[5]);
- pl110_init(ds, 0x10020000, pic, 23, 1);
+ 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_bus, 3, -1);
+ 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];
if (!nd->model)
nd->model = done_smc ? "rtl8139" : "smc91c111";
if (strcmp(nd->model, "smc91c111") == 0) {
- smc91c111_init(nd, 0x4e000000, pic, 28);
+ smc91c111_init(nd, 0x4e000000, pic[28]);
} else {
- pci_nic_init(pci_bus, nd);
+ pci_nic_init(pci_bus, nd, -1);
}
}
/* 0x10014000 GPIO 1. */
/* 0x10015000 GPIO 2. */
/* 0x10016000 Reserved. */
- /* 0x10017000 RTC. */
+ /* 0x10017000 RTC. */
/* 0x10018000 DMC. */
/* 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. */
/* 0x68000000 PCI mem 1. */
/* 0x6c000000 PCI mem 2. */
- arm_load_kernel(ram_size, kernel_filename, kernel_cmdline,
- initrd_filename, 0x33b);
+ 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 = {
- "realview",
- "ARM RealView Emulation Baseboard (ARM926EJ-S)",
- realview_init
+ .name = "realview",
+ .desc = "ARM RealView Emulation Baseboard (ARM926EJ-S)",
+ .init = realview_init,
+ .ram_require = 0x1000,
+ .use_scsi = 1,
};
projects / qemu.git / blobdiff