symbian-qemu-0.9.1-12/qemu-symbian-svp/hw/versatilepb.c
changeset 1 2fb8b9db1c86
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/qemu-symbian-svp/hw/versatilepb.c	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,326 @@
+/*
+ * ARM Versatile Platform/Application Baseboard System emulation.
+ *
+ * Copyright (c) 2005-2007 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 "net.h"
+#include "sysemu.h"
+#include "pci.h"
+#include "boards.h"
+
+/* Primary interrupt controller.  */
+
+typedef struct vpb_sic_state
+{
+  uint32_t level;
+  uint32_t mask;
+  uint32_t pic_enable;
+  qemu_irq *parent;
+  int irq;
+} vpb_sic_state;
+
+static void vpb_sic_update(vpb_sic_state *s)
+{
+    uint32_t flags;
+
+    flags = s->level & s->mask;
+    qemu_set_irq(s->parent[s->irq], flags != 0);
+}
+
+static void vpb_sic_update_pic(vpb_sic_state *s)
+{
+    int i;
+    uint32_t mask;
+
+    for (i = 21; i <= 30; i++) {
+        mask = 1u << i;
+        if (!(s->pic_enable & mask))
+            continue;
+        qemu_set_irq(s->parent[i], (s->level & mask) != 0);
+    }
+}
+
+static void vpb_sic_set_irq(void *opaque, int irq, int level)
+{
+    vpb_sic_state *s = (vpb_sic_state *)opaque;
+    if (level)
+        s->level |= 1u << irq;
+    else
+        s->level &= ~(1u << irq);
+    if (s->pic_enable & (1u << irq))
+        qemu_set_irq(s->parent[irq], level);
+    vpb_sic_update(s);
+}
+
+static uint32_t vpb_sic_read(void *opaque, target_phys_addr_t offset)
+{
+    vpb_sic_state *s = (vpb_sic_state *)opaque;
+
+    switch (offset >> 2) {
+    case 0: /* STATUS */
+        return s->level & s->mask;
+    case 1: /* RAWSTAT */
+        return s->level;
+    case 2: /* ENABLE */
+        return s->mask;
+    case 4: /* SOFTINT */
+        return s->level & 1;
+    case 8: /* PICENABLE */
+        return s->pic_enable;
+    default:
+        printf ("vpb_sic_read: Bad register offset 0x%x\n", (int)offset);
+        return 0;
+    }
+}
+
+static void vpb_sic_write(void *opaque, target_phys_addr_t offset,
+                          uint32_t value)
+{
+    vpb_sic_state *s = (vpb_sic_state *)opaque;
+
+    switch (offset >> 2) {
+    case 2: /* ENSET */
+        s->mask |= value;
+        break;
+    case 3: /* ENCLR */
+        s->mask &= ~value;
+        break;
+    case 4: /* SOFTINTSET */
+        if (value)
+            s->mask |= 1;
+        break;
+    case 5: /* SOFTINTCLR */
+        if (value)
+            s->mask &= ~1u;
+        break;
+    case 8: /* PICENSET */
+        s->pic_enable |= (value & 0x7fe00000);
+        vpb_sic_update_pic(s);
+        break;
+    case 9: /* PICENCLR */
+        s->pic_enable &= ~value;
+        vpb_sic_update_pic(s);
+        break;
+    default:
+        printf ("vpb_sic_write: Bad register offset 0x%x\n", (int)offset);
+        return;
+    }
+    vpb_sic_update(s);
+}
+
+static CPUReadMemoryFunc *vpb_sic_readfn[] = {
+   vpb_sic_read,
+   vpb_sic_read,
+   vpb_sic_read
+};
+
+static CPUWriteMemoryFunc *vpb_sic_writefn[] = {
+   vpb_sic_write,
+   vpb_sic_write,
+   vpb_sic_write
+};
+
+static qemu_irq *vpb_sic_init(uint32_t base, qemu_irq *parent, int irq)
+{
+    vpb_sic_state *s;
+    qemu_irq *qi;
+    int iomemtype;
+
+    s = (vpb_sic_state *)qemu_mallocz(sizeof(vpb_sic_state));
+    if (!s)
+        return NULL;
+    qi = qemu_allocate_irqs(vpb_sic_set_irq, s, 32);
+    s->parent = parent;
+    s->irq = irq;
+    iomemtype = cpu_register_io_memory(0, vpb_sic_readfn,
+                                       vpb_sic_writefn, s);
+    cpu_register_physical_memory(base, 0x00001000, iomemtype);
+    /* ??? Save/restore.  */
+    return qi;
+}
+
+/* Board init.  */
+
+/* The AB and PB boards both use the same core, just with different
+   peripherans and expansion busses.  For now we emulate a subset of the
+   PB peripherals and just change the board ID.  */
+
+static struct arm_boot_info versatile_binfo;
+
+static void versatile_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,
+                     int board_id)
+{
+    CPUState *env;
+    qemu_irq *pic;
+    qemu_irq *sic;
+    void *scsi_hba;
+    PCIBus *pci_bus;
+    NICInfo *nd;
+    int n;
+    int done_smc = 0;
+    int index;
+
+    if (!cpu_model)
+        cpu_model = "arm926";
+    env = cpu_init(cpu_model);
+    if (!env) {
+        fprintf(stderr, "Unable to find CPU definition\n");
+        exit(1);
+    }
+    /* ??? 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, 0x41007004);
+    pic = arm_pic_init_cpu(env);
+    pic = pl190_init(0x10140000, pic[0], pic[1]);
+    sic = vpb_sic_init(0x10003000, pic, 31);
+    pl050_init(0x10006000, sic[3], 0);
+    pl050_init(0x10007000, sic[4], 1);
+
+    pci_bus = pci_vpb_init(sic, 27, 0);
+    /* The Versatile PCI bridge does not provide access to PCI IO space,
+       so many of the qemu PCI devices are not useable.  */
+    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, 0x10010000, sic[25]);
+        } else {
+            pci_nic_init(pci_bus, nd, -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);
+    }
+
+    pl011_init(0x101f1000, pic[12], serial_hds[0], PL011_ARM);
+    pl011_init(0x101f2000, pic[13], serial_hds[1], PL011_ARM);
+    pl011_init(0x101f3000, pic[14], serial_hds[2], PL011_ARM);
+    pl011_init(0x10009000, sic[6], serial_hds[3], PL011_ARM);
+
+    pl080_init(0x10130000, pic[17], 8);
+    sp804_init(0x101e2000, pic[4]);
+    sp804_init(0x101e3000, pic[5]);
+
+    /* The versatile/PB actually has a modified Color LCD controller
+       that includes hardware cursor support from the PL111.  */
+    pl110_init(ds, 0x10120000, pic[16], 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, sic[22], sic[1]);
+#if 0
+    /* Disabled because there's no way of specifying a block device.  */
+    pl181_init(0x1000b000, NULL, sic, 23, 2);
+#endif
+
+    /* Add PL031 Real Time Clock. */
+    pl031_init(0x101e8000,pic[10]);
+
+    /* Memory map for Versatile/PB:  */
+    /* 0x10000000 System registers.  */
+    /* 0x10001000 PCI controller config registers.  */
+    /* 0x10002000 Serial bus interface.  */
+    /*  0x10003000 Secondary interrupt controller.  */
+    /* 0x10004000 AACI (audio).  */
+    /*  0x10005000 MMCI0.  */
+    /*  0x10006000 KMI0 (keyboard).  */
+    /*  0x10007000 KMI1 (mouse).  */
+    /* 0x10008000 Character LCD Interface.  */
+    /*  0x10009000 UART3.  */
+    /* 0x1000a000 Smart card 1.  */
+    /*  0x1000b000 MMCI1.  */
+    /*  0x10010000 Ethernet.  */
+    /* 0x10020000 USB.  */
+    /* 0x10100000 SSMC.  */
+    /* 0x10110000 MPMC.  */
+    /*  0x10120000 CLCD Controller.  */
+    /*  0x10130000 DMA Controller.  */
+    /*  0x10140000 Vectored interrupt controller.  */
+    /* 0x101d0000 AHB Monitor Interface.  */
+    /* 0x101e0000 System Controller.  */
+    /* 0x101e1000 Watchdog Interface.  */
+    /* 0x101e2000 Timer 0/1.  */
+    /* 0x101e3000 Timer 2/3.  */
+    /* 0x101e4000 GPIO port 0.  */
+    /* 0x101e5000 GPIO port 1.  */
+    /* 0x101e6000 GPIO port 2.  */
+    /* 0x101e7000 GPIO port 3.  */
+    /* 0x101e8000 RTC.  */
+    /* 0x101f0000 Smart card 0.  */
+    /*  0x101f1000 UART0.  */
+    /*  0x101f2000 UART1.  */
+    /*  0x101f3000 UART2.  */
+    /* 0x101f4000 SSPI.  */
+
+    versatile_binfo.ram_size = ram_size;
+    versatile_binfo.kernel_filename = kernel_filename;
+    versatile_binfo.kernel_cmdline = kernel_cmdline;
+    versatile_binfo.initrd_filename = initrd_filename;
+    versatile_binfo.board_id = board_id;
+    arm_load_kernel(env, &versatile_binfo);
+}
+
+static void vpb_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)
+{
+    versatile_init(ram_size, vga_ram_size,
+                   boot_device, ds,
+                   kernel_filename, kernel_cmdline,
+                   initrd_filename, cpu_model, 0x183);
+}
+
+static void vab_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)
+{
+    versatile_init(ram_size, vga_ram_size,
+                   boot_device, ds,
+                   kernel_filename, kernel_cmdline,
+                   initrd_filename, cpu_model, 0x25e);
+}
+
+QEMUMachine versatilepb_machine = {
+    .name = "versatilepb",
+    .desc = "ARM Versatile/PB (ARM926EJ-S)",
+    .init = vpb_init,
+    .use_scsi = 1,
+};
+
+QEMUMachine versatileab_machine = {
+    .name = "versatileab",
+    .desc = "ARM Versatile/AB (ARM926EJ-S)",
+    .init = vab_init,
+    .use_scsi = 1,
+};