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/*
* PowerMac MacIO device emulation
*
* Copyright (c) 2005-2007 Fabrice Bellard
* Copyright (c) 2007 Jocelyn Mayer
*
* 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 "hw.h"
#include "ppc_mac.h"
#include "pci.h"
#include "escc.h"
typedef struct macio_state_t macio_state_t;
struct macio_state_t {
int is_oldworld;
MemoryRegion bar;
MemoryRegion *pic_mem;
MemoryRegion *dbdma_mem;
MemoryRegion *cuda_mem;
MemoryRegion *escc_mem;
void *nvram;
int nb_ide;
MemoryRegion *ide_mem[4];
};
static void macio_bar_setup(macio_state_t *macio_state)
{
int i;
MemoryRegion *bar = &macio_state->bar;
memory_region_init(bar, "macio", 0x80000);
if (macio_state->pic_mem) {
if (macio_state->is_oldworld) {
/* Heathrow PIC */
memory_region_add_subregion(bar, 0x00000, macio_state->pic_mem);
} else {
/* OpenPIC */
memory_region_add_subregion(bar, 0x40000, macio_state->pic_mem);
}
}
if (macio_state->dbdma_mem) {
memory_region_add_subregion(bar, 0x08000, macio_state->dbdma_mem);
}
if (macio_state->escc_mem) {
memory_region_add_subregion(bar, 0x13000, macio_state->escc_mem);
}
if (macio_state->cuda_mem) {
memory_region_add_subregion(bar, 0x16000, macio_state->cuda_mem);
}
for (i = 0; i < macio_state->nb_ide; i++) {
if (macio_state->ide_mem[i]) {
memory_region_add_subregion(bar, 0x1f000 + (i * 0x1000),
macio_state->ide_mem[i]);
}
}
if (macio_state->nvram != NULL)
macio_nvram_setup_bar(macio_state->nvram, bar, 0x60000);
}
void macio_init (PCIBus *bus, int device_id, int is_oldworld,
MemoryRegion *pic_mem, MemoryRegion *dbdma_mem,
MemoryRegion *cuda_mem, void *nvram,
int nb_ide, MemoryRegion **ide_mem,
MemoryRegion *escc_mem)
{
PCIDevice *d;
macio_state_t *macio_state;
int i;
d = pci_register_device(bus, "macio",
sizeof(PCIDevice) + sizeof(macio_state_t),
-1, NULL, NULL);
macio_state = (macio_state_t *)(d + 1);
macio_state->is_oldworld = is_oldworld;
macio_state->pic_mem = pic_mem;
macio_state->dbdma_mem = dbdma_mem;
macio_state->cuda_mem = cuda_mem;
macio_state->escc_mem = escc_mem;
macio_state->nvram = nvram;
if (nb_ide > 4)
nb_ide = 4;
macio_state->nb_ide = nb_ide;
for (i = 0; i < nb_ide; i++)
macio_state->ide_mem[i] = ide_mem[i];
for (; i < 4; i++)
macio_state->ide_mem[i] = NULL;
/* Note: this code is strongly inspirated from the corresponding code
in PearPC */
pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_APPLE);
pci_config_set_device_id(d->config, device_id);
pci_config_set_class(d->config, PCI_CLASS_OTHERS << 8);
d->config[0x3d] = 0x01; // interrupt on pin 1
macio_bar_setup(macio_state);
pci_register_bar_region(d, 0, PCI_BASE_ADDRESS_SPACE_MEMORY,
&macio_state->bar);
}
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