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-rw-r--r--hw/arm_gic.c544
-rw-r--r--hw/arm_sysctl.c208
-rw-r--r--hw/pl080.c32
-rw-r--r--hw/realview.c138
-rw-r--r--hw/versatile_pci.c32
-rw-r--r--hw/versatilepb.c194
6 files changed, 944 insertions, 204 deletions
diff --git a/hw/arm_gic.c b/hw/arm_gic.c
new file mode 100644
index 0000000000..c7cc380881
--- /dev/null
+++ b/hw/arm_gic.c
@@ -0,0 +1,544 @@
+/*
+ * ARM AMBA Generic/Distributed Interrupt Controller
+ *
+ * Copyright (c) 2006 CodeSourcery.
+ * Written by Paul Brook
+ *
+ * This code is licenced under the GPL.
+ */
+
+/* TODO: Some variants of this controller can handle multiple CPUs.
+ Currently only single CPU operation is implemented. */
+
+#include "vl.h"
+#include "arm_pic.h"
+
+//#define DEBUG_GIC
+
+#ifdef DEBUG_GIC
+#define DPRINTF(fmt, args...) \
+do { printf("arm_gic: " fmt , (int)s->base, ##args); } while (0)
+#else
+#define DPRINTF(fmt, args...) do {} while(0)
+#endif
+
+/* Distributed interrupt controller. */
+
+static const uint8_t gic_id[] =
+{ 0x90, 0x13, 0x04, 0x00, 0x0d, 0xf0, 0x05, 0xb1 };
+
+#define GIC_NIRQ 96
+
+typedef struct gic_irq_state
+{
+ unsigned enabled:1;
+ unsigned pending:1;
+ unsigned active:1;
+ unsigned level:1;
+ unsigned model:1; /* 0 = 1:N, 1 = N:N */
+ unsigned trigger:1; /* nonzero = edge triggered. */
+} gic_irq_state;
+
+#define GIC_SET_ENABLED(irq) s->irq_state[irq].enabled = 1
+#define GIC_CLEAR_ENABLED(irq) s->irq_state[irq].enabled = 0
+#define GIC_TEST_ENABLED(irq) s->irq_state[irq].enabled
+#define GIC_SET_PENDING(irq) s->irq_state[irq].pending = 1
+#define GIC_CLEAR_PENDING(irq) s->irq_state[irq].pending = 0
+#define GIC_TEST_PENDING(irq) s->irq_state[irq].pending
+#define GIC_SET_ACTIVE(irq) s->irq_state[irq].active = 1
+#define GIC_CLEAR_ACTIVE(irq) s->irq_state[irq].active = 0
+#define GIC_TEST_ACTIVE(irq) s->irq_state[irq].active
+#define GIC_SET_MODEL(irq) s->irq_state[irq].model = 1
+#define GIC_CLEAR_MODEL(irq) s->irq_state[irq].model = 0
+#define GIC_TEST_MODEL(irq) s->irq_state[irq].model
+#define GIC_SET_LEVEL(irq) s->irq_state[irq].level = 1
+#define GIC_CLEAR_LEVEL(irq) s->irq_state[irq].level = 0
+#define GIC_TEST_LEVEL(irq) s->irq_state[irq].level
+#define GIC_SET_TRIGGER(irq) s->irq_state[irq].trigger = 1
+#define GIC_CLEAR_TRIGGER(irq) s->irq_state[irq].trigger = 0
+#define GIC_TEST_TRIGGER(irq) s->irq_state[irq].trigger
+
+typedef struct gic_state
+{
+ arm_pic_handler handler;
+ uint32_t base;
+ void *parent;
+ int parent_irq;
+ int enabled;
+ int cpu_enabled;
+
+ gic_irq_state irq_state[GIC_NIRQ];
+ int irq_target[GIC_NIRQ];
+ int priority[GIC_NIRQ];
+ int last_active[GIC_NIRQ];
+
+ int priority_mask;
+ int running_irq;
+ int running_priority;
+ int current_pending;
+} gic_state;
+
+/* TODO: Many places that call this routine could be optimized. */
+/* Update interrupt status after enabled or pending bits have been changed. */
+static void gic_update(gic_state *s)
+{
+ int best_irq;
+ int best_prio;
+ int irq;
+
+ s->current_pending = 1023;
+ if (!s->enabled || !s->cpu_enabled) {
+ pic_set_irq_new(s->parent, s->parent_irq, 0);
+ return;
+ }
+ best_prio = 0x100;
+ best_irq = 1023;
+ for (irq = 0; irq < 96; irq++) {
+ if (GIC_TEST_ENABLED(irq) && GIC_TEST_PENDING(irq)) {
+ if (s->priority[irq] < best_prio) {
+ best_prio = s->priority[irq];
+ best_irq = irq;
+ }
+ }
+ }
+ if (best_prio > s->priority_mask) {
+ pic_set_irq_new(s->parent, s->parent_irq, 0);
+ } else {
+ s->current_pending = best_irq;
+ if (best_prio < s->running_priority) {
+ DPRINTF("Raised pending IRQ %d\n", best_irq);
+ pic_set_irq_new(s->parent, s->parent_irq, 1);
+ }
+ }
+}
+
+static void gic_set_irq(void *opaque, int irq, int level)
+{
+ gic_state *s = (gic_state *)opaque;
+ /* The first external input line is internal interrupt 32. */
+ irq += 32;
+ if (level == GIC_TEST_LEVEL(irq))
+ return;
+
+ if (level) {
+ GIC_SET_LEVEL(irq);
+ if (GIC_TEST_TRIGGER(irq) || GIC_TEST_ENABLED(irq)) {
+ DPRINTF("Set %d pending\n", irq);
+ GIC_SET_PENDING(irq);
+ }
+ } else {
+ GIC_CLEAR_LEVEL(irq);
+ }
+ gic_update(s);
+}
+
+static void gic_set_running_irq(gic_state *s, int irq)
+{
+ s->running_irq = irq;
+ s->running_priority = s->priority[irq];
+ gic_update(s);
+}
+
+static uint32_t gic_acknowledge_irq(gic_state *s)
+{
+ int new_irq;
+ new_irq = s->current_pending;
+ if (new_irq == 1023 || s->priority[new_irq] >= s->running_priority) {
+ DPRINTF("ACK no pending IRQ\n");
+ return 1023;
+ }
+ pic_set_irq_new(s->parent, s->parent_irq, 0);
+ s->last_active[new_irq] = s->running_irq;
+ /* For level triggered interrupts we clear the pending bit while
+ the interrupt is active. */
+ GIC_CLEAR_PENDING(new_irq);
+ gic_set_running_irq(s, new_irq);
+ DPRINTF("ACK %d\n", new_irq);
+ return new_irq;
+}
+
+static void gic_complete_irq(gic_state * s, int irq)
+{
+ int update = 0;
+ DPRINTF("EIO %d\n", irq);
+ if (s->running_irq == 1023)
+ return; /* No active IRQ. */
+ if (irq != 1023) {
+ /* Mark level triggered interrupts as pending if they are still
+ raised. */
+ if (!GIC_TEST_TRIGGER(irq) && GIC_TEST_ENABLED(irq)
+ && GIC_TEST_LEVEL(irq)) {
+ GIC_SET_PENDING(irq);
+ update = 1;
+ }
+ }
+ if (irq != s->running_irq) {
+ /* Complete an IRQ that is not currently running. */
+ int tmp = s->running_irq;
+ while (s->last_active[tmp] != 1023) {
+ if (s->last_active[tmp] == irq) {
+ s->last_active[tmp] = s->last_active[irq];
+ break;
+ }
+ tmp = s->last_active[tmp];
+ }
+ if (update) {
+ gic_update(s);
+ }
+ } else {
+ /* Complete the current running IRQ. */
+ gic_set_running_irq(s, s->last_active[s->running_irq]);
+ }
+}
+
+static uint32_t gic_dist_readb(void *opaque, target_phys_addr_t offset)
+{
+ gic_state *s = (gic_state *)opaque;
+ uint32_t res;
+ int irq;
+ int i;
+
+ offset -= s->base + 0x1000;
+ if (offset < 0x100) {
+ if (offset == 0)
+ return s->enabled;
+ if (offset == 4)
+ return (GIC_NIRQ / 32) - 1;
+ if (offset < 0x08)
+ return 0;
+ goto bad_reg;
+ } else if (offset < 0x200) {
+ /* Interrupt Set/Clear Enable. */
+ if (offset < 0x180)
+ irq = (offset - 0x100) * 8;
+ else
+ irq = (offset - 0x180) * 8;
+ if (irq >= GIC_NIRQ)
+ goto bad_reg;
+ res = 0;
+ for (i = 0; i < 8; i++) {
+ if (GIC_TEST_ENABLED(irq + i)) {
+ res |= (1 << i);
+ }
+ }
+ } else if (offset < 0x300) {
+ /* Interrupt Set/Clear Pending. */
+ if (offset < 0x280)
+ irq = (offset - 0x200) * 8;
+ else
+ irq = (offset - 0x280) * 8;
+ if (irq >= GIC_NIRQ)
+ goto bad_reg;
+ res = 0;
+ for (i = 0; i < 8; i++) {
+ if (GIC_TEST_PENDING(irq + i)) {
+ res |= (1 << i);
+ }
+ }
+ } else if (offset < 0x400) {
+ /* Interrupt Active. */
+ irq = (offset - 0x300) * 8;
+ if (irq >= GIC_NIRQ)
+ goto bad_reg;
+ res = 0;
+ for (i = 0; i < 8; i++) {
+ if (GIC_TEST_ACTIVE(irq + i)) {
+ res |= (1 << i);
+ }
+ }
+ } else if (offset < 0x800) {
+ /* Interrupt Priority. */
+ irq = offset - 0x400;
+ if (irq >= GIC_NIRQ)
+ goto bad_reg;
+ res = s->priority[irq];
+ } else if (offset < 0xc00) {
+ /* Interrupt CPU Target. */
+ irq = offset - 0x800;
+ if (irq >= GIC_NIRQ)
+ goto bad_reg;
+ res = s->irq_target[irq];
+ } else if (offset < 0xf00) {
+ /* Interrupt Configuration. */
+ irq = (offset - 0xc00) * 2;
+ if (irq >= GIC_NIRQ)
+ goto bad_reg;
+ res = 0;
+ for (i = 0; i < 4; i++) {
+ if (GIC_TEST_MODEL(irq + i))
+ res |= (1 << (i * 2));
+ if (GIC_TEST_TRIGGER(irq + i))
+ res |= (2 << (i * 2));
+ }
+ } else if (offset < 0xfe0) {
+ goto bad_reg;
+ } else /* offset >= 0xfe0 */ {
+ if (offset & 3) {
+ res = 0;
+ } else {
+ res = gic_id[(offset - 0xfe0) >> 2];
+ }
+ }
+ return res;
+bad_reg:
+ cpu_abort (cpu_single_env, "gic_dist_readb: Bad offset %x\n", offset);
+ return 0;
+}
+
+static uint32_t gic_dist_readw(void *opaque, target_phys_addr_t offset)
+{
+ uint32_t val;
+ val = gic_dist_readb(opaque, offset);
+ val |= gic_dist_readb(opaque, offset + 1) << 8;
+ return val;
+}
+
+static uint32_t gic_dist_readl(void *opaque, target_phys_addr_t offset)
+{
+ uint32_t val;
+ val = gic_dist_readw(opaque, offset);
+ val |= gic_dist_readw(opaque, offset + 2) << 16;
+ return val;
+}
+
+static void gic_dist_writeb(void *opaque, target_phys_addr_t offset,
+ uint32_t value)
+{
+ gic_state *s = (gic_state *)opaque;
+ int irq;
+ int i;
+
+ offset -= s->base + 0x1000;
+ if (offset < 0x100) {
+ if (offset == 0) {
+ s->enabled = (value & 1);
+ DPRINTF("Distribution %sabled\n", s->enabled ? "En" : "Dis");
+ } else if (offset < 4) {
+ /* ignored. */
+ } else {
+ goto bad_reg;
+ }
+ } else if (offset < 0x180) {
+ /* Interrupt Set Enable. */
+ irq = (offset - 0x100) * 8;
+ if (irq >= GIC_NIRQ)
+ goto bad_reg;
+ for (i = 0; i < 8; i++) {
+ if (value & (1 << i)) {
+ if (!GIC_TEST_ENABLED(irq + i))
+ DPRINTF("Enabled IRQ %d\n", irq + i);
+ GIC_SET_ENABLED(irq + i);
+ /* If a raised level triggered IRQ enabled then mark
+ is as pending. */
+ if (GIC_TEST_LEVEL(irq + i) && !GIC_TEST_TRIGGER(irq + i))
+ GIC_SET_PENDING(irq + i);
+ }
+ }
+ } else if (offset < 0x200) {
+ /* Interrupt Clear Enable. */
+ irq = (offset - 0x180) * 8;
+ if (irq >= GIC_NIRQ)
+ goto bad_reg;
+ for (i = 0; i < 8; i++) {
+ if (value & (1 << i)) {
+ if (GIC_TEST_ENABLED(irq + i))
+ DPRINTF("Disabled IRQ %d\n", irq + i);
+ GIC_CLEAR_ENABLED(irq + i);
+ }
+ }
+ } else if (offset < 0x280) {
+ /* Interrupt Set Pending. */
+ irq = (offset - 0x200) * 8;
+ if (irq >= GIC_NIRQ)
+ goto bad_reg;
+ for (i = 0; i < 8; i++) {
+ if (value & (1 << i)) {
+ GIC_SET_PENDING(irq + i);
+ }
+ }
+ } else if (offset < 0x300) {
+ /* Interrupt Clear Pending. */
+ irq = (offset - 0x280) * 8;
+ if (irq >= GIC_NIRQ)
+ goto bad_reg;
+ for (i = 0; i < 8; i++) {
+ if (value & (1 << i)) {
+ GIC_CLEAR_PENDING(irq + i);
+ }
+ }
+ } else if (offset < 0x400) {
+ /* Interrupt Active. */
+ goto bad_reg;
+ } else if (offset < 0x800) {
+ /* Interrupt Priority. */
+ irq = offset - 0x400;
+ if (irq >= GIC_NIRQ)
+ goto bad_reg;
+ s->priority[irq] = value;
+ } else if (offset < 0xc00) {
+ /* Interrupt CPU Target. */
+ irq = offset - 0x800;
+ if (irq >= GIC_NIRQ)
+ goto bad_reg;
+ s->irq_target[irq] = value;
+ } else if (offset < 0xf00) {
+ /* Interrupt Configuration. */
+ irq = (offset - 0xc00) * 2;
+ if (irq >= GIC_NIRQ)
+ goto bad_reg;
+ for (i = 0; i < 4; i++) {
+ if (value & (1 << (i * 2))) {
+ GIC_SET_MODEL(irq + i);
+ } else {
+ GIC_CLEAR_MODEL(irq + i);
+ }
+ if (value & (2 << (i * 2))) {
+ GIC_SET_TRIGGER(irq + i);
+ } else {
+ GIC_CLEAR_TRIGGER(irq + i);
+ }
+ }
+ } else {
+ /* 0xf00 is only handled for word writes. */
+ goto bad_reg;
+ }
+ gic_update(s);
+ return;
+bad_reg:
+ cpu_abort (cpu_single_env, "gic_dist_writeb: Bad offset %x\n", offset);
+}
+
+static void gic_dist_writew(void *opaque, target_phys_addr_t offset,
+ uint32_t value)
+{
+ gic_state *s = (gic_state *)opaque;
+ if (offset - s->base == 0xf00) {
+ GIC_SET_PENDING(value & 0x3ff);
+ gic_update(s);
+ return;
+ }
+ gic_dist_writeb(opaque, offset, value & 0xff);
+ gic_dist_writeb(opaque, offset + 1, value >> 8);
+}
+
+static void gic_dist_writel(void *opaque, target_phys_addr_t offset,
+ uint32_t value)
+{
+ gic_dist_writew(opaque, offset, value & 0xffff);
+ gic_dist_writew(opaque, offset + 2, value >> 16);
+}
+
+static CPUReadMemoryFunc *gic_dist_readfn[] = {
+ gic_dist_readb,
+ gic_dist_readw,
+ gic_dist_readl
+};
+
+static CPUWriteMemoryFunc *gic_dist_writefn[] = {
+ gic_dist_writeb,
+ gic_dist_writew,
+ gic_dist_writel
+};
+
+static uint32_t gic_cpu_read(void *opaque, target_phys_addr_t offset)
+{
+ gic_state *s = (gic_state *)opaque;
+ offset -= s->base;
+ switch (offset) {
+ case 0x00: /* Control */
+ return s->cpu_enabled;
+ case 0x04: /* Priority mask */
+ return s->priority_mask;
+ case 0x08: /* Binary Point */
+ /* ??? Not implemented. */
+ return 0;
+ case 0x0c: /* Acknowledge */
+ return gic_acknowledge_irq(s);
+ case 0x14: /* Runing Priority */
+ return s->running_priority;
+ case 0x18: /* Highest Pending Interrupt */
+ return s->current_pending;
+ default:
+ cpu_abort (cpu_single_env, "gic_cpu_writeb: Bad offset %x\n", offset);
+ return 0;
+ }
+}
+
+static void gic_cpu_write(void *opaque, target_phys_addr_t offset,
+ uint32_t value)
+{
+ gic_state *s = (gic_state *)opaque;
+ offset -= s->base;
+ switch (offset) {
+ case 0x00: /* Control */
+ s->cpu_enabled = (value & 1);
+ DPRINTF("CPU %sabled\n", s->cpu_enabled ? "En" : "Dis");
+ break;
+ case 0x04: /* Priority mask */
+ s->priority_mask = (value & 0x3ff);
+ break;
+ case 0x08: /* Binary Point */
+ /* ??? Not implemented. */
+ break;
+ case 0x10: /* End Of Interrupt */
+ return gic_complete_irq(s, value & 0x3ff);
+ default:
+ cpu_abort (cpu_single_env, "gic_cpu_writeb: Bad offset %x\n", offset);
+ return;
+ }
+ gic_update(s);
+}
+
+static CPUReadMemoryFunc *gic_cpu_readfn[] = {
+ gic_cpu_read,
+ gic_cpu_read,
+ gic_cpu_read
+};
+
+static CPUWriteMemoryFunc *gic_cpu_writefn[] = {
+ gic_cpu_write,
+ gic_cpu_write,
+ gic_cpu_write
+};
+
+static void gic_reset(gic_state *s)
+{
+ int i;
+ memset(s->irq_state, 0, GIC_NIRQ * sizeof(gic_irq_state));
+ s->priority_mask = 0xf0;
+ s->current_pending = 1023;
+ s->running_irq = 1023;
+ s->running_priority = 0x100;
+ for (i = 0; i < 15; i++) {
+ GIC_SET_ENABLED(i);
+ GIC_SET_TRIGGER(i);
+ }
+ s->enabled = 0;
+ s->cpu_enabled = 0;
+}
+
+void *arm_gic_init(uint32_t base, void *parent, int parent_irq)
+{
+ gic_state *s;
+ int iomemtype;
+
+ s = (gic_state *)qemu_mallocz(sizeof(gic_state));
+ if (!s)
+ return NULL;
+ s->handler = gic_set_irq;
+ s->parent = parent;
+ s->parent_irq = parent_irq;
+ if (base != 0xffffffff) {
+ iomemtype = cpu_register_io_memory(0, gic_cpu_readfn,
+ gic_cpu_writefn, s);
+ cpu_register_physical_memory(base, 0x00000fff, iomemtype);
+ iomemtype = cpu_register_io_memory(0, gic_dist_readfn,
+ gic_dist_writefn, s);
+ cpu_register_physical_memory(base + 0x1000, 0x00000fff, iomemtype);
+ s->base = base;
+ } else {
+ s->base = 0;
+ }
+ gic_reset(s);
+ return s;
+}
diff --git a/hw/arm_sysctl.c b/hw/arm_sysctl.c
new file mode 100644
index 0000000000..e9de998a2a
--- /dev/null
+++ b/hw/arm_sysctl.c
@@ -0,0 +1,208 @@
+/*
+ * Status and system control registers for ARM RealView/Versatile boards.
+ *
+ * Copyright (c) 2006 CodeSourcery.
+ * Written by Paul Brook
+ *
+ * This code is licenced under the GPL.
+ */
+
+#include "vl.h"
+#include "arm_pic.h"
+
+#define LOCK_VALUE 0xa05f
+
+typedef struct {
+ uint32_t base;
+ uint32_t sys_id;
+ uint32_t leds;
+ uint16_t lockval;
+ uint32_t cfgdata1;
+ uint32_t cfgdata2;
+ uint32_t flags;
+ uint32_t nvflags;
+ uint32_t resetlevel;
+} arm_sysctl_state;
+
+static uint32_t arm_sysctl_read(void *opaque, target_phys_addr_t offset)
+{
+ arm_sysctl_state *s = (arm_sysctl_state *)opaque;
+
+ offset -= s->base;
+ switch (offset) {
+ case 0x00: /* ID */
+ return s->sys_id;
+ case 0x04: /* SW */
+ /* General purpose hardware switches.
+ We don't have a useful way of exposing these to the user. */
+ return 0;
+ case 0x08: /* LED */
+ return s->leds;
+ case 0x20: /* LOCK */
+ return s->lockval;
+ case 0x0c: /* OSC0 */
+ case 0x10: /* OSC1 */
+ case 0x14: /* OSC2 */
+ case 0x18: /* OSC3 */
+ case 0x1c: /* OSC4 */
+ case 0x24: /* 100HZ */
+ /* ??? Implement these. */
+ return 0;
+ case 0x28: /* CFGDATA1 */
+ return s->cfgdata1;
+ case 0x2c: /* CFGDATA2 */
+ return s->cfgdata2;
+ case 0x30: /* FLAGS */
+ return s->flags;
+ case 0x38: /* NVFLAGS */
+ return s->nvflags;
+ case 0x40: /* RESETCTL */
+ return s->resetlevel;
+ case 0x44: /* PCICTL */
+ return 1;
+ case 0x48: /* MCI */
+ return 0;
+ case 0x4c: /* FLASH */
+ return 0;
+ case 0x50: /* CLCD */
+ return 0x1000;
+ case 0x54: /* CLCDSER */
+ return 0;
+ case 0x58: /* BOOTCS */
+ return 0;
+ case 0x5c: /* 24MHz */
+ /* ??? not implemented. */
+ return 0;
+ case 0x60: /* MISC */
+ return 0;
+ case 0x84: /* PROCID0 */
+ /* ??? Don't know what the proper value for the core tile ID is. */
+ return 0x02000000;
+ case 0x88: /* PROCID1 */
+ return 0xff000000;
+ case 0x64: /* DMAPSR0 */
+ case 0x68: /* DMAPSR1 */
+ case 0x6c: /* DMAPSR2 */
+ case 0x70: /* IOSEL */
+ case 0x74: /* PLDCTL */
+ case 0x80: /* BUSID */
+ case 0x8c: /* OSCRESET0 */
+ case 0x90: /* OSCRESET1 */
+ case 0x94: /* OSCRESET2 */
+ case 0x98: /* OSCRESET3 */
+ case 0x9c: /* OSCRESET4 */
+ case 0xc0: /* SYS_TEST_OSC0 */
+ case 0xc4: /* SYS_TEST_OSC1 */
+ case 0xc8: /* SYS_TEST_OSC2 */
+ case 0xcc: /* SYS_TEST_OSC3 */
+ case 0xd0: /* SYS_TEST_OSC4 */
+ return 0;
+ default:
+ printf ("arm_sysctl_read: Bad register offset 0x%x\n", (int)offset);
+ return 0;
+ }
+}
+
+static void arm_sysctl_write(void *opaque, target_phys_addr_t offset,
+ uint32_t val)
+{
+ arm_sysctl_state *s = (arm_sysctl_state *)opaque;
+ offset -= s->base;
+
+ switch (offset) {
+ case 0x08: /* LED */
+ s->leds = val;
+ case 0x0c: /* OSC0 */
+ case 0x10: /* OSC1 */
+ case 0x14: /* OSC2 */
+ case 0x18: /* OSC3 */
+ case 0x1c: /* OSC4 */
+ /* ??? */
+ break;
+ case 0x20: /* LOCK */
+ if (val == LOCK_VALUE)
+ s->lockval = val;
+ else
+ s->lockval = val & 0x7fff;
+ break;
+ case 0x28: /* CFGDATA1 */
+ /* ??? Need to implement this. */
+ s->cfgdata1 = val;
+ break;
+ case 0x2c: /* CFGDATA2 */
+ /* ??? Need to implement this. */
+ s->cfgdata2 = val;
+ break;
+ case 0x30: /* FLAGSSET */
+ s->flags |= val;
+ break;
+ case 0x34: /* FLAGSCLR */
+ s->flags &= ~val;
+ break;
+ case 0x38: /* NVFLAGSSET */
+ s->nvflags |= val;
+ break;
+ case 0x3c: /* NVFLAGSCLR */
+ s->nvflags &= ~val;
+ break;
+ case 0x40: /* RESETCTL */
+ if (s->lockval == LOCK_VALUE) {
+ s->resetlevel = val;
+ if (val & 0x100)
+ cpu_abort(cpu_single_env, "Board reset\n");
+ }
+ break;
+ case 0x44: /* PCICTL */
+ /* nothing to do. */
+ break;
+ case 0x4c: /* FLASH */
+ case 0x50: /* CLCD */
+ case 0x54: /* CLCDSER */
+ case 0x64: /* DMAPSR0 */
+ case 0x68: /* DMAPSR1 */
+ case 0x6c: /* DMAPSR2 */
+ case 0x70: /* IOSEL */
+ case 0x74: /* PLDCTL */
+ case 0x80: /* BUSID */
+ case 0x84: /* PROCID0 */
+ case 0x88: /* PROCID1 */
+ case 0x8c: /* OSCRESET0 */
+ case 0x90: /* OSCRESET1 */
+ case 0x94: /* OSCRESET2 */
+ case 0x98: /* OSCRESET3 */
+ case 0x9c: /* OSCRESET4 */
+ break;
+ default:
+ printf ("arm_sysctl_write: Bad register offset 0x%x\n", (int)offset);
+ return;
+ }
+}
+
+static CPUReadMemoryFunc *arm_sysctl_readfn[] = {
+ arm_sysctl_read,
+ arm_sysctl_read,
+ arm_sysctl_read
+};
+
+static CPUWriteMemoryFunc *arm_sysctl_writefn[] = {
+ arm_sysctl_write,
+ arm_sysctl_write,
+ arm_sysctl_write
+};
+
+void arm_sysctl_init(uint32_t base, uint32_t sys_id)
+{
+ arm_sysctl_state *s;
+ int iomemtype;
+
+ s = (arm_sysctl_state *)qemu_mallocz(sizeof(arm_sysctl_state));
+ if (!s)
+ return;
+ s->base = base;
+ s->sys_id = sys_id;
+ iomemtype = cpu_register_io_memory(0, arm_sysctl_readfn,
+ arm_sysctl_writefn, s);
+ cpu_register_physical_memory(base, 0x00000fff, iomemtype);
+ /* ??? Save/restore. */
+}
+
diff --git a/hw/pl080.c b/hw/pl080.c
index 49996ca91d..549b3bfd10 100644
--- a/hw/pl080.c
+++ b/hw/pl080.c
@@ -1,5 +1,5 @@
/*
- * Arm PrimeCell PL080 DMA controller
+ * Arm PrimeCell PL080/PL081 DMA controller
*
* Copyright (c) 2006 CodeSourcery.
* Written by Paul Brook
@@ -9,7 +9,7 @@
#include "vl.h"
-#define PL080_NUM_CHANNELS 8
+#define PL080_MAX_CHANNELS 8
#define PL080_CONF_E 0x1
#define PL080_CONF_M1 0x2
#define PL080_CONF_M2 0x4
@@ -45,7 +45,8 @@ typedef struct {
uint32_t sync;
uint32_t req_single;
uint32_t req_burst;
- pl080_channel chan[PL080_NUM_CHANNELS];
+ pl080_channel chan[PL080_MAX_CHANNELS];
+ int nchannels;
/* Flag to avoid recursive DMA invocations. */
int running;
void *pic;
@@ -55,6 +56,9 @@ typedef struct {
static const unsigned char pl080_id[] =
{ 0x80, 0x10, 0x04, 0x0a, 0x0d, 0xf0, 0x05, 0xb1 };
+static const unsigned char pl081_id[] =
+{ 0x81, 0x10, 0x04, 0x0a, 0x0d, 0xf0, 0x05, 0xb1 };
+
static void pl080_update(pl080_state *s)
{
if ((s->tc_int & s->tc_mask)
@@ -80,7 +84,7 @@ static void pl080_run(pl080_state *s)
uint32_t req;
s->tc_mask = 0;
- for (c = 0; c < PL080_NUM_CHANNELS; c++) {
+ for (c = 0; c < s->nchannels; c++) {
if (s->chan[c].conf & PL080_CCONF_ITC)
s->tc_mask |= 1 << c;
if (s->chan[c].conf & PL080_CCONF_IE)
@@ -99,7 +103,7 @@ cpu_abort(cpu_single_env, "DMA active\n");
}
s->running = 1;
while (s->running) {
- for (c = 0; c < PL080_NUM_CHANNELS; c++) {
+ for (c = 0; c < s->nchannels; c++) {
ch = &s->chan[c];
again:
/* Test if thiws channel has any pending DMA requests. */
@@ -185,10 +189,16 @@ static uint32_t pl080_read(void *opaque, target_phys_addr_t offset)
offset -= s->base;
if (offset >= 0xfe0 && offset < 0x1000) {
- return pl080_id[(offset - 0xfe0) >> 2];
+ if (s->nchannels == 8) {
+ return pl080_id[(offset - 0xfe0) >> 2];
+ } else {
+ return pl081_id[(offset - 0xfe0) >> 2];
+ }
}
if (offset >= 0x100 && offset < 0x200) {
i = (offset & 0xe0) >> 5;
+ if (i >= s->nchannels)
+ goto bad_offset;
switch (offset >> 2) {
case 0: /* SrcAddr */
return s->chan[i].src;
@@ -217,7 +227,7 @@ static uint32_t pl080_read(void *opaque, target_phys_addr_t offset)
return s->err_int;
case 7: /* EnbldChns */
mask = 0;
- for (i = 0; i < PL080_NUM_CHANNELS; i++) {
+ for (i = 0; i < s->nchannels; i++) {
if (s->chan[i].conf & PL080_CCONF_E)
mask |= 1 << i;
}
@@ -248,6 +258,8 @@ static void pl080_write(void *opaque, target_phys_addr_t offset,
offset -= s->base;
if (offset >= 0x100 && offset < 0x200) {
i = (offset & 0xe0) >> 5;
+ if (i >= s->nchannels)
+ goto bad_offset;
switch (offset >> 2) {
case 0: /* SrcAddr */
s->chan[i].src = value;
@@ -293,6 +305,7 @@ static void pl080_write(void *opaque, target_phys_addr_t offset,
s->sync = value;
break;
default:
+ bad_offset:
cpu_abort(cpu_single_env, "pl080_write: Bad offset %x\n", offset);
}
pl080_update(s);
@@ -310,7 +323,9 @@ static CPUWriteMemoryFunc *pl080_writefn[] = {
pl080_write
};
-void *pl080_init(uint32_t base, void *pic, int irq)
+/* The PL080 and PL081 are the same except for the number of channels
+ they implement (8 and 2 respectively). */
+void *pl080_init(uint32_t base, void *pic, int irq, int nchannels)
{
int iomemtype;
pl080_state *s;
@@ -322,6 +337,7 @@ void *pl080_init(uint32_t base, void *pic, int irq)
s->base = base;
s->pic = pic;
s->irq = irq;
+ s->nchannels = nchannels;
/* ??? Save/restore. */
return s;
}
diff --git a/hw/realview.c b/hw/realview.c
new file mode 100644
index 0000000000..11b0916089
--- /dev/null
+++ b/hw/realview.c
@@ -0,0 +1,138 @@
+/*
+ * ARM RealView Baseboard System emulation.
+ *
+ * Copyright (c) 2006 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, int boot_device,
+ DisplayState *ds, const char **fd_filename, int snapshot,
+ const char *kernel_filename, const char *kernel_cmdline,
+ const char *initrd_filename)
+{
+ CPUState *env;
+ void *pic;
+ void *scsi_hba;
+ PCIBus *pci_bus;
+ NICInfo *nd;
+ int n;
+ int done_smc = 0;
+
+ 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. */
+ /* 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]);
+
+ /* 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);
+
+ pci_bus = pci_vpb_init(pic, 48, 1);
+ if (usb_enabled) {
+ usb_ohci_init(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);
+ }
+ }
+
+ /* 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 (FIQ1). */
+ /* 0x10050000 GIC2 (IRQ1). */
+ /* 0x10060000 GIC3 (FIQ2). */
+ /* 0x10070000 GIC4 (IRQ2). */
+ /* 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(ram_size, kernel_filename, kernel_cmdline,
+ initrd_filename, 0x33b);
+}
+
+QEMUMachine realview_machine = {
+ "realview",
+ "ARM RealView Emulation Baseboard (ARM926EJ-S)",
+ realview_init
+};
diff --git a/hw/versatile_pci.c b/hw/versatile_pci.c
index 34a4bc6c5a..aac61c7b55 100644
--- a/hw/versatile_pci.c
+++ b/hw/versatile_pci.c
@@ -77,31 +77,49 @@ static CPUReadMemoryFunc *pci_vpb_config_read[] = {
&pci_vpb_config_readl,
};
+static int pci_vpb_irq;
+
static void pci_vpb_set_irq(PCIDevice *d, void *pic, int irq_num, int level)
{
- pic_set_irq_new(pic, 27 + irq_num, level);
+ pic_set_irq_new(pic, pci_vpb_irq + irq_num, level);
}
-PCIBus *pci_vpb_init(void *pic)
+PCIBus *pci_vpb_init(void *pic, int irq, int realview)
{
PCIBus *s;
PCIDevice *d;
int mem_config;
-
+ uint32_t base;
+ const char * name;
+
+ pci_vpb_irq = irq;
+ if (realview) {
+ base = 0x60000000;
+ name = "RealView EB PCI Controller";
+ } else {
+ base = 0x40000000;
+ name = "Versatile/PB PCI Controller";
+ }
s = pci_register_bus(pci_vpb_set_irq, pic, 11 << 3);
/* ??? Register memory space. */
mem_config = cpu_register_io_memory(0, pci_vpb_config_read,
pci_vpb_config_write, s);
/* Selfconfig area. */
- cpu_register_physical_memory(0x41000000, 0x10000, mem_config);
+ cpu_register_physical_memory(base + 0x01000000, 0x10000, mem_config);
/* Normal config area. */
- cpu_register_physical_memory(0x42000000, 0x10000, mem_config);
+ cpu_register_physical_memory(base + 0x02000000, 0x10000, mem_config);
+
+ d = pci_register_device(s, name, sizeof(PCIDevice), -1, NULL, NULL);
+
+ if (realview) {
+ /* IO memory area. */
+ isa_mmio_init(base + 0x03000000, 0x00100000);
+ }
- d = pci_register_device(s, "Versatile/PB PCI Controller",
- sizeof(PCIDevice), -1, NULL, NULL);
d->config[0x00] = 0xee; // vendor_id
d->config[0x01] = 0x10;
+ /* Both boards have the same device ID. Oh well. */
d->config[0x02] = 0x00; // device_id
d->config[0x03] = 0x03;
d->config[0x04] = 0x00;
diff --git a/hw/versatilepb.c b/hw/versatilepb.c
index 28ec1374ba..475cb4892c 100644
--- a/hw/versatilepb.c
+++ b/hw/versatilepb.c
@@ -10,8 +10,6 @@
#include "vl.h"
#include "arm_pic.h"
-#define LOCK_VALUE 0xa05f
-
/* Primary interrupt controller. */
typedef struct vpb_sic_state
@@ -75,7 +73,7 @@ static uint32_t vpb_sic_read(void *opaque, target_phys_addr_t offset)
case 8: /* PICENABLE */
return s->pic_enable;
default:
- printf ("vpb_sic_read: Bad register offset 0x%x\n", offset);
+ printf ("vpb_sic_read: Bad register offset 0x%x\n", (int)offset);
return 0;
}
}
@@ -110,7 +108,7 @@ static void vpb_sic_write(void *opaque, target_phys_addr_t offset,
vpb_sic_update_pic(s);
break;
default:
- printf ("vpb_sic_write: Bad register offset 0x%x\n", offset);
+ printf ("vpb_sic_write: Bad register offset 0x%x\n", (int)offset);
return;
}
vpb_sic_update(s);
@@ -147,188 +145,6 @@ static vpb_sic_state *vpb_sic_init(uint32_t base, void *parent, int irq)
return s;
}
-/* System controller. */
-
-typedef struct {
- uint32_t base;
- uint32_t leds;
- uint16_t lockval;
- uint32_t cfgdata1;
- uint32_t cfgdata2;
- uint32_t flags;
- uint32_t nvflags;
- uint32_t resetlevel;
-} vpb_sys_state;
-
-static uint32_t vpb_sys_read(void *opaque, target_phys_addr_t offset)
-{
- vpb_sys_state *s = (vpb_sys_state *)opaque;
-
- offset -= s->base;
- switch (offset) {
- case 0x00: /* ID */
- return 0x41007004;
- case 0x04: /* SW */
- /* General purpose hardware switches.
- We don't have a useful way of exposing these to the user. */
- return 0;
- case 0x08: /* LED */
- return s->leds;
- case 0x20: /* LOCK */
- return s->lockval;
- case 0x0c: /* OSC0 */
- case 0x10: /* OSC1 */
- case 0x14: /* OSC2 */
- case 0x18: /* OSC3 */
- case 0x1c: /* OSC4 */
- case 0x24: /* 100HZ */
- /* ??? Implement these. */
- return 0;
- case 0x28: /* CFGDATA1 */
- return s->cfgdata1;
- case 0x2c: /* CFGDATA2 */
- return s->cfgdata2;
- case 0x30: /* FLAGS */
- return s->flags;
- case 0x38: /* NVFLAGS */
- return s->nvflags;
- case 0x40: /* RESETCTL */
- return s->resetlevel;
- case 0x44: /* PCICTL */
- return 1;
- case 0x48: /* MCI */
- return 0;
- case 0x4c: /* FLASH */
- return 0;
- case 0x50: /* CLCD */
- return 0x1000;
- case 0x54: /* CLCDSER */
- return 0;
- case 0x58: /* BOOTCS */
- return 0;
- case 0x5c: /* 24MHz */
- /* ??? not implemented. */
- return 0;
- case 0x60: /* MISC */
- return 0;
- case 0x64: /* DMAPSR0 */
- case 0x68: /* DMAPSR1 */
- case 0x6c: /* DMAPSR2 */
- case 0x8c: /* OSCRESET0 */
- case 0x90: /* OSCRESET1 */
- case 0x94: /* OSCRESET2 */
- case 0x98: /* OSCRESET3 */
- case 0x9c: /* OSCRESET4 */
- case 0xc0: /* SYS_TEST_OSC0 */
- case 0xc4: /* SYS_TEST_OSC1 */
- case 0xc8: /* SYS_TEST_OSC2 */
- case 0xcc: /* SYS_TEST_OSC3 */
- case 0xd0: /* SYS_TEST_OSC4 */
- return 0;
- default:
- printf ("vpb_sys_read: Bad register offset 0x%x\n", offset);
- return 0;
- }
-}
-
-static void vpb_sys_write(void *opaque, target_phys_addr_t offset,
- uint32_t val)
-{
- vpb_sys_state *s = (vpb_sys_state *)opaque;
- offset -= s->base;
-
- switch (offset) {
- case 0x08: /* LED */
- s->leds = val;
- case 0x0c: /* OSC0 */
- case 0x10: /* OSC1 */
- case 0x14: /* OSC2 */
- case 0x18: /* OSC3 */
- case 0x1c: /* OSC4 */
- /* ??? */
- break;
- case 0x20: /* LOCK */
- if (val == LOCK_VALUE)
- s->lockval = val;
- else
- s->lockval = val & 0x7fff;
- break;
- case 0x28: /* CFGDATA1 */
- /* ??? Need to implement this. */
- s->cfgdata1 = val;
- break;
- case 0x2c: /* CFGDATA2 */
- /* ??? Need to implement this. */
- s->cfgdata2 = val;
- break;
- case 0x30: /* FLAGSSET */
- s->flags |= val;
- break;
- case 0x34: /* FLAGSCLR */
- s->flags &= ~val;
- break;
- case 0x38: /* NVFLAGSSET */
- s->nvflags |= val;
- break;
- case 0x3c: /* NVFLAGSCLR */
- s->nvflags &= ~val;
- break;
- case 0x40: /* RESETCTL */
- if (s->lockval == LOCK_VALUE) {
- s->resetlevel = val;
- if (val & 0x100)
- cpu_abort(cpu_single_env, "Board reset\n");
- }
- break;
- case 0x44: /* PCICTL */
- /* nothing to do. */
- break;
- case 0x4c: /* FLASH */
- case 0x50: /* CLCD */
- case 0x54: /* CLCDSER */
- case 0x64: /* DMAPSR0 */
- case 0x68: /* DMAPSR1 */
- case 0x6c: /* DMAPSR2 */
- case 0x8c: /* OSCRESET0 */
- case 0x90: /* OSCRESET1 */
- case 0x94: /* OSCRESET2 */
- case 0x98: /* OSCRESET3 */
- case 0x9c: /* OSCRESET4 */
- break;
- default:
- printf ("vpb_sys_write: Bad register offset 0x%x\n", offset);
- return;
- }
-}
-
-static CPUReadMemoryFunc *vpb_sys_readfn[] = {
- vpb_sys_read,
- vpb_sys_read,
- vpb_sys_read
-};
-
-static CPUWriteMemoryFunc *vpb_sys_writefn[] = {
- vpb_sys_write,
- vpb_sys_write,
- vpb_sys_write
-};
-
-static vpb_sys_state *vpb_sys_init(uint32_t base)
-{
- vpb_sys_state *s;
- int iomemtype;
-
- s = (vpb_sys_state *)qemu_mallocz(sizeof(vpb_sys_state));
- if (!s)
- return NULL;
- s->base = base;
- iomemtype = cpu_register_io_memory(0, vpb_sys_readfn,
- vpb_sys_writefn, s);
- cpu_register_physical_memory(base, 0x00000fff, iomemtype);
- /* ??? Save/restore. */
- return s;
-}
-
/* Board init. */
/* The AB and PB boards both use the same core, just with different
@@ -355,14 +171,14 @@ static void versatile_init(int ram_size, int vga_ram_size, int boot_device,
/* SDRAM at address zero. */
cpu_register_physical_memory(0, ram_size, IO_MEM_RAM);
- vpb_sys_init(0x10000000);
+ arm_sysctl_init(0x10000000, 0x41007004);
pic = arm_pic_init_cpu(env);
pic = pl190_init(0x10140000, pic, ARM_PIC_CPU_IRQ, ARM_PIC_CPU_FIQ);
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);
+ 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++) {
@@ -390,7 +206,7 @@ static void versatile_init(int ram_size, int vga_ram_size, int boot_device,
pl011_init(0x101f3000, pic, 14, serial_hds[2]);
pl011_init(0x10009000, sic, 6, serial_hds[3]);
- pl080_init(0x10130000, pic, 17);
+ pl080_init(0x10130000, pic, 17, 8);
sp804_init(0x101e2000, pic, 4);
sp804_init(0x101e3000, pic, 5);
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-12 18:36:30 +0000