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j_mayer3cbee152007-10-28 23:42:18 +00001/*
2 * PowerMac MacIO device emulation
3 *
4 * Copyright (c) 2005-2007 Fabrice Bellard
5 * Copyright (c) 2007 Jocelyn Mayer
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23 * THE SOFTWARE.
24 */
pbrook87ecb682007-11-17 17:14:51 +000025#include "hw.h"
j_mayer3cbee152007-10-28 23:42:18 +000026#include "ppc_mac.h"
pbrook87ecb682007-11-17 17:14:51 +000027#include "pci.h"
blueswir17fa9ae12009-01-12 17:40:23 +000028#include "escc.h"
j_mayer3cbee152007-10-28 23:42:18 +000029
Anthony Liguoric227f092009-10-01 16:12:16 -050030typedef struct macio_state_t macio_state_t;
31struct macio_state_t {
j_mayer3cbee152007-10-28 23:42:18 +000032 int is_oldworld;
33 int pic_mem_index;
34 int dbdma_mem_index;
35 int cuda_mem_index;
blueswir17fa9ae12009-01-12 17:40:23 +000036 int escc_mem_index;
j_mayer74e91152007-11-04 01:16:04 +000037 void *nvram;
j_mayer3cbee152007-10-28 23:42:18 +000038 int nb_ide;
39 int ide_mem_index[4];
40};
41
42static void macio_map (PCIDevice *pci_dev, int region_num,
Isaku Yamahata6e355d92009-10-30 21:21:08 +090043 pcibus_t addr, pcibus_t size, int type)
j_mayer3cbee152007-10-28 23:42:18 +000044{
Anthony Liguoric227f092009-10-01 16:12:16 -050045 macio_state_t *macio_state;
j_mayer3cbee152007-10-28 23:42:18 +000046 int i;
47
Anthony Liguoric227f092009-10-01 16:12:16 -050048 macio_state = (macio_state_t *)(pci_dev + 1);
j_mayer3cbee152007-10-28 23:42:18 +000049 if (macio_state->pic_mem_index >= 0) {
50 if (macio_state->is_oldworld) {
51 /* Heathrow PIC */
52 cpu_register_physical_memory(addr + 0x00000, 0x1000,
53 macio_state->pic_mem_index);
54 } else {
55 /* OpenPIC */
56 cpu_register_physical_memory(addr + 0x40000, 0x40000,
57 macio_state->pic_mem_index);
58 }
59 }
60 if (macio_state->dbdma_mem_index >= 0) {
61 cpu_register_physical_memory(addr + 0x08000, 0x1000,
62 macio_state->dbdma_mem_index);
63 }
blueswir17fa9ae12009-01-12 17:40:23 +000064 if (macio_state->escc_mem_index >= 0) {
65 cpu_register_physical_memory(addr + 0x13000, ESCC_SIZE << 4,
66 macio_state->escc_mem_index);
67 }
j_mayer3cbee152007-10-28 23:42:18 +000068 if (macio_state->cuda_mem_index >= 0) {
69 cpu_register_physical_memory(addr + 0x16000, 0x2000,
70 macio_state->cuda_mem_index);
71 }
72 for (i = 0; i < macio_state->nb_ide; i++) {
73 if (macio_state->ide_mem_index[i] >= 0) {
74 cpu_register_physical_memory(addr + 0x1f000 + (i * 0x1000), 0x1000,
75 macio_state->ide_mem_index[i]);
76 }
77 }
j_mayer74e91152007-11-04 01:16:04 +000078 if (macio_state->nvram != NULL)
79 macio_nvram_map(macio_state->nvram, addr + 0x60000);
j_mayer3cbee152007-10-28 23:42:18 +000080}
81
82void macio_init (PCIBus *bus, int device_id, int is_oldworld, int pic_mem_index,
j_mayer74e91152007-11-04 01:16:04 +000083 int dbdma_mem_index, int cuda_mem_index, void *nvram,
blueswir17fa9ae12009-01-12 17:40:23 +000084 int nb_ide, int *ide_mem_index, int escc_mem_index)
j_mayer3cbee152007-10-28 23:42:18 +000085{
86 PCIDevice *d;
Anthony Liguoric227f092009-10-01 16:12:16 -050087 macio_state_t *macio_state;
j_mayer3cbee152007-10-28 23:42:18 +000088 int i;
89
90 d = pci_register_device(bus, "macio",
Anthony Liguoric227f092009-10-01 16:12:16 -050091 sizeof(PCIDevice) + sizeof(macio_state_t),
j_mayer3cbee152007-10-28 23:42:18 +000092 -1, NULL, NULL);
Anthony Liguoric227f092009-10-01 16:12:16 -050093 macio_state = (macio_state_t *)(d + 1);
j_mayer3cbee152007-10-28 23:42:18 +000094 macio_state->is_oldworld = is_oldworld;
95 macio_state->pic_mem_index = pic_mem_index;
96 macio_state->dbdma_mem_index = dbdma_mem_index;
97 macio_state->cuda_mem_index = cuda_mem_index;
blueswir17fa9ae12009-01-12 17:40:23 +000098 macio_state->escc_mem_index = escc_mem_index;
j_mayer74e91152007-11-04 01:16:04 +000099 macio_state->nvram = nvram;
j_mayer3cbee152007-10-28 23:42:18 +0000100 if (nb_ide > 4)
101 nb_ide = 4;
102 macio_state->nb_ide = nb_ide;
103 for (i = 0; i < nb_ide; i++)
104 macio_state->ide_mem_index[i] = ide_mem_index[i];
105 for (; i < 4; i++)
106 macio_state->ide_mem_index[i] = -1;
107 /* Note: this code is strongly inspirated from the corresponding code
108 in PearPC */
aliguorideb54392009-01-26 15:37:35 +0000109
110 pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_APPLE);
111 pci_config_set_device_id(d->config, device_id);
blueswir1173a5432009-02-01 19:26:20 +0000112 pci_config_set_class(d->config, PCI_CLASS_OTHERS << 8);
Isaku Yamahata6407f372009-05-03 19:03:00 +0000113 d->config[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type
j_mayer3cbee152007-10-28 23:42:18 +0000114
115 d->config[0x3d] = 0x01; // interrupt on pin 1
116
Avi Kivity28c2c262009-06-14 11:38:53 +0300117 pci_register_bar(d, 0, 0x80000,
Isaku Yamahata0392a012009-10-30 21:21:03 +0900118 PCI_BASE_ADDRESS_SPACE_MEMORY, macio_map);
j_mayer3cbee152007-10-28 23:42:18 +0000119}