aboutsummaryrefslogtreecommitdiff
path: root/hw/mpcore.c
diff options
context:
space:
mode:
authorPaul Brook <paul@codesourcery.com>2009-11-19 16:45:21 +0000
committerPaul Brook <paul@codesourcery.com>2009-11-19 16:45:21 +0000
commitf7c703250cef231085f07352b719bb91d71ea8a1 (patch)
tree8a511980622c574aba59fd41d320a94bf025b010 /hw/mpcore.c
parent100555620f4c825c3d2d37ed4d8b921b4604c1f6 (diff)
ARM PBX-A9 board support
Implement ARM RealView PBX-A9 board support. Signed-off-by: Paul Brook <paul@codesourcery.com>
Diffstat (limited to 'hw/mpcore.c')
-rw-r--r--hw/mpcore.c99
1 files changed, 1 insertions, 98 deletions
diff --git a/hw/mpcore.c b/hw/mpcore.c
index eccb2e188d..b4db1914b7 100644
--- a/hw/mpcore.c
+++ b/hw/mpcore.c
@@ -1,5 +1,5 @@
/*
- * ARM MPCore internal peripheral emulation.
+ * ARM MPCore internal peripheral emulation (common code).
*
* Copyright (c) 2006-2007 CodeSourcery.
* Written by Paul Brook
@@ -10,12 +10,7 @@
#include "sysbus.h"
#include "qemu-timer.h"
-#define MPCORE_PRIV_BASE 0x10100000
#define NCPU 4
-/* ??? The MPCore TRM says the on-chip controller has 224 external IRQ lines
- (+ 32 internal). However my test chip only exposes/reports 32.
- More importantly Linux falls over if more than 32 are present! */
-#define GIC_NIRQ 64
static inline int
gic_get_current_cpu(void)
@@ -288,95 +283,3 @@ static int mpcore_priv_init(SysBusDevice *dev)
}
return 0;
}
-
-/* Dummy PIC to route IRQ lines. The baseboard has 4 independent IRQ
- controllers. The output of these, plus some of the raw input lines
- are fed into a single SMP-aware interrupt controller on the CPU. */
-typedef struct {
- SysBusDevice busdev;
- qemu_irq cpuic[32];
- qemu_irq rvic[4][64];
- uint32_t num_cpu;
-} mpcore_rirq_state;
-
-/* Map baseboard IRQs onto CPU IRQ lines. */
-static const int mpcore_irq_map[32] = {
- -1, -1, -1, -1, 1, 2, -1, -1,
- -1, -1, 6, -1, 4, 5, -1, -1,
- -1, 14, 15, 0, 7, 8, -1, -1,
- -1, -1, -1, -1, 9, 3, -1, -1,
-};
-
-static void mpcore_rirq_set_irq(void *opaque, int irq, int level)
-{
- mpcore_rirq_state *s = (mpcore_rirq_state *)opaque;
- int i;
-
- for (i = 0; i < 4; i++) {
- qemu_set_irq(s->rvic[i][irq], level);
- }
- if (irq < 32) {
- irq = mpcore_irq_map[irq];
- if (irq >= 0) {
- qemu_set_irq(s->cpuic[irq], level);
- }
- }
-}
-
-static int realview_mpcore_init(SysBusDevice *dev)
-{
- mpcore_rirq_state *s = FROM_SYSBUS(mpcore_rirq_state, dev);
- DeviceState *gic;
- DeviceState *priv;
- SysBusDevice *bus_priv;
- int n;
- int i;
-
- priv = qdev_create(NULL, "arm11mpcore_priv");
- qdev_prop_set_uint32(priv, "num-cpu", s->num_cpu);
- qdev_init_nofail(priv);
- bus_priv = sysbus_from_qdev(priv);
- sysbus_mmio_map(bus_priv, 0, MPCORE_PRIV_BASE);
- sysbus_pass_irq(dev, bus_priv);
- for (i = 0; i < 32; i++) {
- s->cpuic[i] = qdev_get_gpio_in(priv, i);
- }
- /* ??? IRQ routing is hardcoded to "normal" mode. */
- for (n = 0; n < 4; n++) {
- gic = sysbus_create_simple("realview_gic", 0x10040000 + n * 0x10000,
- s->cpuic[10 + n]);
- for (i = 0; i < 64; i++) {
- s->rvic[n][i] = qdev_get_gpio_in(gic, i);
- }
- }
- qdev_init_gpio_in(&dev->qdev, mpcore_rirq_set_irq, 64);
- return 0;
-}
-
-static SysBusDeviceInfo mpcore_rirq_info = {
- .init = realview_mpcore_init,
- .qdev.name = "realview_mpcore",
- .qdev.size = sizeof(mpcore_rirq_state),
- .qdev.props = (Property[]) {
- DEFINE_PROP_UINT32("num-cpu", mpcore_rirq_state, num_cpu, 1),
- DEFINE_PROP_END_OF_LIST(),
- }
-};
-
-static SysBusDeviceInfo mpcore_priv_info = {
- .init = mpcore_priv_init,
- .qdev.name = "arm11mpcore_priv",
- .qdev.size = sizeof(mpcore_priv_state),
- .qdev.props = (Property[]) {
- DEFINE_PROP_UINT32("num-cpu", mpcore_priv_state, num_cpu, 1),
- DEFINE_PROP_END_OF_LIST(),
- }
-};
-
-static void mpcore_register_devices(void)
-{
- sysbus_register_withprop(&mpcore_rirq_info);
- sysbus_register_withprop(&mpcore_priv_info);
-}
-
-device_init(mpcore_register_devices)