Rearrange PCI host emulation code.

Add ARM PCI emulation.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1916 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 261 insertions, 0 deletions

diff --git a/hw/unin_pci.c b/hw/unin_pci.c
new file mode 100644
index 0000000000..a7e3600047
--- /dev/null
+++ b/hw/unin_pci.c
@@ -0,0 +1,261 @@
+/*
+ * QEMU Uninorth PCI host (for all Mac99 and newer machines)
+ *
+ * Copyright (c) 2006 Fabrice Bellard
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#include "vl.h"
+typedef target_phys_addr_t pci_addr_t;
+#include "pci_host.h"
+
+typedef PCIHostState UNINState;
+
+static void pci_unin_main_config_writel (void *opaque, target_phys_addr_t addr,
+                                         uint32_t val)
+{
+    UNINState *s = opaque;
+    int i;
+
+#ifdef TARGET_WORDS_BIGENDIAN
+    val = bswap32(val);
+#endif
+
+    for (i = 11; i < 32; i++) {
+        if ((val & (1 << i)) != 0)
+            break;
+    }
+#if 0
+    s->config_reg = 0x80000000 | (1 << 16) | (val & 0x7FC) | (i << 11);
+#else
+    s->config_reg = 0x80000000 | (0 << 16) | (val & 0x7FC) | (i << 11);
+#endif
+}
+
+static uint32_t pci_unin_main_config_readl (void *opaque,
+                                            target_phys_addr_t addr)
+{
+    UNINState *s = opaque;
+    uint32_t val;
+    int devfn;
+
+    devfn = (s->config_reg >> 8) & 0xFF;
+    val = (1 << (devfn >> 3)) | ((devfn & 0x07) << 8) | (s->config_reg & 0xFC);
+#ifdef TARGET_WORDS_BIGENDIAN
+    val = bswap32(val);
+#endif
+
+    return val;
+}
+
+static CPUWriteMemoryFunc *pci_unin_main_config_write[] = {
+    &pci_unin_main_config_writel,
+    &pci_unin_main_config_writel,
+    &pci_unin_main_config_writel,
+};
+
+static CPUReadMemoryFunc *pci_unin_main_config_read[] = {
+    &pci_unin_main_config_readl,
+    &pci_unin_main_config_readl,
+    &pci_unin_main_config_readl,
+};
+
+static CPUWriteMemoryFunc *pci_unin_main_write[] = {
+    &pci_host_data_writeb,
+    &pci_host_data_writew,
+    &pci_host_data_writel,
+};
+
+static CPUReadMemoryFunc *pci_unin_main_read[] = {
+    &pci_host_data_readb,
+    &pci_host_data_readw,
+    &pci_host_data_readl,
+};
+
+#if 0
+
+static void pci_unin_config_writel (void *opaque, target_phys_addr_t addr,
+                                    uint32_t val)
+{
+    UNINState *s = opaque;
+
+#ifdef TARGET_WORDS_BIGENDIAN
+    val = bswap32(val);
+#endif
+    s->config_reg = 0x80000000 | (val & ~0x00000001);
+}
+
+static uint32_t pci_unin_config_readl (void *opaque,
+                                       target_phys_addr_t addr)
+{
+    UNINState *s = opaque;
+    uint32_t val;
+
+    val = (s->config_reg | 0x00000001) & ~0x80000000;
+#ifdef TARGET_WORDS_BIGENDIAN
+    val = bswap32(val);
+#endif
+
+    return val;
+}
+
+static CPUWriteMemoryFunc *pci_unin_config_write[] = {
+    &pci_unin_config_writel,
+    &pci_unin_config_writel,
+    &pci_unin_config_writel,
+};
+
+static CPUReadMemoryFunc *pci_unin_config_read[] = {
+    &pci_unin_config_readl,
+    &pci_unin_config_readl,
+    &pci_unin_config_readl,
+};
+
+static CPUWriteMemoryFunc *pci_unin_write[] = {
+    &pci_host_pci_writeb,
+    &pci_host_pci_writew,
+    &pci_host_pci_writel,
+};
+
+static CPUReadMemoryFunc *pci_unin_read[] = {
+    &pci_host_pci_readb,
+    &pci_host_pci_readw,
+    &pci_host_pci_readl,
+};
+#endif
+
+static void pci_unin_set_irq(PCIDevice *d, void *pic, int irq_num, int level)
+{
+    openpic_set_irq(pic, d->config[PCI_INTERRUPT_LINE], level);
+}
+
+PCIBus *pci_pmac_init(void *pic)
+{
+    UNINState *s;
+    PCIDevice *d;
+    int pci_mem_config, pci_mem_data;
+
+    /* Use values found on a real PowerMac */
+    /* Uninorth main bus */
+    s = qemu_mallocz(sizeof(UNINState));
+    s->bus = pci_register_bus(pci_unin_set_irq, NULL, 11 << 3);
+
+    pci_mem_config = cpu_register_io_memory(0, pci_unin_main_config_read, 
+                                            pci_unin_main_config_write, s);
+    pci_mem_data = cpu_register_io_memory(0, pci_unin_main_read,
+                                          pci_unin_main_write, s);
+    cpu_register_physical_memory(0xf2800000, 0x1000, pci_mem_config);
+    cpu_register_physical_memory(0xf2c00000, 0x1000, pci_mem_data);
+    d = pci_register_device(s->bus, "Uni-north main", sizeof(PCIDevice), 
+                            11 << 3, NULL, NULL);
+    d->config[0x00] = 0x6b; // vendor_id : Apple
+    d->config[0x01] = 0x10;
+    d->config[0x02] = 0x1F; // device_id
+    d->config[0x03] = 0x00;
+    d->config[0x08] = 0x00; // revision
+    d->config[0x0A] = 0x00; // class_sub = pci host
+    d->config[0x0B] = 0x06; // class_base = PCI_bridge
+    d->config[0x0C] = 0x08; // cache_line_size
+    d->config[0x0D] = 0x10; // latency_timer
+    d->config[0x0E] = 0x00; // header_type
+    d->config[0x34] = 0x00; // capabilities_pointer
+
+#if 0 // XXX: not activated as PPC BIOS doesn't handle mutiple buses properly
+    /* pci-to-pci bridge */
+    d = pci_register_device("Uni-north bridge", sizeof(PCIDevice), 0, 13 << 3,
+                            NULL, NULL);
+    d->config[0x00] = 0x11; // vendor_id : TI
+    d->config[0x01] = 0x10;
+    d->config[0x02] = 0x26; // device_id
+    d->config[0x03] = 0x00;
+    d->config[0x08] = 0x05; // revision
+    d->config[0x0A] = 0x04; // class_sub = pci2pci
+    d->config[0x0B] = 0x06; // class_base = PCI_bridge
+    d->config[0x0C] = 0x08; // cache_line_size
+    d->config[0x0D] = 0x20; // latency_timer
+    d->config[0x0E] = 0x01; // header_type
+
+    d->config[0x18] = 0x01; // primary_bus
+    d->config[0x19] = 0x02; // secondary_bus
+    d->config[0x1A] = 0x02; // subordinate_bus
+    d->config[0x1B] = 0x20; // secondary_latency_timer
+    d->config[0x1C] = 0x11; // io_base
+    d->config[0x1D] = 0x01; // io_limit
+    d->config[0x20] = 0x00; // memory_base
+    d->config[0x21] = 0x80;
+    d->config[0x22] = 0x00; // memory_limit
+    d->config[0x23] = 0x80;
+    d->config[0x24] = 0x01; // prefetchable_memory_base
+    d->config[0x25] = 0x80;
+    d->config[0x26] = 0xF1; // prefectchable_memory_limit
+    d->config[0x27] = 0x7F;
+    // d->config[0x34] = 0xdc // capabilities_pointer
+#endif
+#if 0 // XXX: not needed for now
+    /* Uninorth AGP bus */
+    s = &pci_bridge[1];
+    pci_mem_config = cpu_register_io_memory(0, pci_unin_config_read, 
+                                            pci_unin_config_write, s);
+    pci_mem_data = cpu_register_io_memory(0, pci_unin_read,
+                                          pci_unin_write, s);
+    cpu_register_physical_memory(0xf0800000, 0x1000, pci_mem_config);
+    cpu_register_physical_memory(0xf0c00000, 0x1000, pci_mem_data);
+
+    d = pci_register_device("Uni-north AGP", sizeof(PCIDevice), 0, 11 << 3,
+                            NULL, NULL);
+    d->config[0x00] = 0x6b; // vendor_id : Apple
+    d->config[0x01] = 0x10;
+    d->config[0x02] = 0x20; // device_id
+    d->config[0x03] = 0x00;
+    d->config[0x08] = 0x00; // revision
+    d->config[0x0A] = 0x00; // class_sub = pci host
+    d->config[0x0B] = 0x06; // class_base = PCI_bridge
+    d->config[0x0C] = 0x08; // cache_line_size
+    d->config[0x0D] = 0x10; // latency_timer
+    d->config[0x0E] = 0x00; // header_type
+    //    d->config[0x34] = 0x80; // capabilities_pointer
+#endif
+
+#if 0 // XXX: not needed for now
+    /* Uninorth internal bus */
+    s = &pci_bridge[2];
+    pci_mem_config = cpu_register_io_memory(0, pci_unin_config_read, 
+                                            pci_unin_config_write, s);
+    pci_mem_data = cpu_register_io_memory(0, pci_unin_read,
+                                          pci_unin_write, s);
+    cpu_register_physical_memory(0xf4800000, 0x1000, pci_mem_config);
+    cpu_register_physical_memory(0xf4c00000, 0x1000, pci_mem_data);
+
+    d = pci_register_device("Uni-north internal", sizeof(PCIDevice),
+                            3, 11 << 3, NULL, NULL);
+    d->config[0x00] = 0x6b; // vendor_id : Apple
+    d->config[0x01] = 0x10;
+    d->config[0x02] = 0x1E; // device_id
+    d->config[0x03] = 0x00;
+    d->config[0x08] = 0x00; // revision
+    d->config[0x0A] = 0x00; // class_sub = pci host
+    d->config[0x0B] = 0x06; // class_base = PCI_bridge
+    d->config[0x0C] = 0x08; // cache_line_size
+    d->config[0x0D] = 0x10; // latency_timer
+    d->config[0x0E] = 0x00; // header_type
+    d->config[0x34] = 0x00; // capabilities_pointer
+#endif
+    return s->bus;
+}
+