root / hw / gt64xxx.c @ c227f099
History | View | Annotate | Download (33.2 kB)
| 1 |
/*
|
|---|---|
| 2 |
* QEMU GT64120 PCI host
|
| 3 |
*
|
| 4 |
* Copyright (c) 2006,2007 Aurelien Jarno
|
| 5 |
*
|
| 6 |
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
| 7 |
* of this software and associated documentation files (the "Software"), to deal
|
| 8 |
* in the Software without restriction, including without limitation the rights
|
| 9 |
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
| 10 |
* copies of the Software, and to permit persons to whom the Software is
|
| 11 |
* furnished to do so, subject to the following conditions:
|
| 12 |
*
|
| 13 |
* The above copyright notice and this permission notice shall be included in
|
| 14 |
* all copies or substantial portions of the Software.
|
| 15 |
*
|
| 16 |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
| 17 |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
| 18 |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
| 19 |
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
| 20 |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
| 21 |
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
| 22 |
* THE SOFTWARE.
|
| 23 |
*/
|
| 24 |
|
| 25 |
#include "hw.h" |
| 26 |
#include "mips.h" |
| 27 |
#include "pci.h" |
| 28 |
#include "pc.h" |
| 29 |
|
| 30 |
typedef target_phys_addr_t pci_addr_t;
|
| 31 |
#include "pci_host.h" |
| 32 |
|
| 33 |
//#define DEBUG
|
| 34 |
|
| 35 |
#ifdef DEBUG
|
| 36 |
#define dprintf(fmt, ...) fprintf(stderr, "%s: " fmt, __FUNCTION__, ##__VA_ARGS__) |
| 37 |
#else
|
| 38 |
#define dprintf(fmt, ...)
|
| 39 |
#endif
|
| 40 |
|
| 41 |
#define GT_REGS (0x1000 >> 2) |
| 42 |
|
| 43 |
/* CPU Configuration */
|
| 44 |
#define GT_CPU (0x000 >> 2) |
| 45 |
#define GT_MULTI (0x120 >> 2) |
| 46 |
|
| 47 |
/* CPU Address Decode */
|
| 48 |
#define GT_SCS10LD (0x008 >> 2) |
| 49 |
#define GT_SCS10HD (0x010 >> 2) |
| 50 |
#define GT_SCS32LD (0x018 >> 2) |
| 51 |
#define GT_SCS32HD (0x020 >> 2) |
| 52 |
#define GT_CS20LD (0x028 >> 2) |
| 53 |
#define GT_CS20HD (0x030 >> 2) |
| 54 |
#define GT_CS3BOOTLD (0x038 >> 2) |
| 55 |
#define GT_CS3BOOTHD (0x040 >> 2) |
| 56 |
#define GT_PCI0IOLD (0x048 >> 2) |
| 57 |
#define GT_PCI0IOHD (0x050 >> 2) |
| 58 |
#define GT_PCI0M0LD (0x058 >> 2) |
| 59 |
#define GT_PCI0M0HD (0x060 >> 2) |
| 60 |
#define GT_PCI0M1LD (0x080 >> 2) |
| 61 |
#define GT_PCI0M1HD (0x088 >> 2) |
| 62 |
#define GT_PCI1IOLD (0x090 >> 2) |
| 63 |
#define GT_PCI1IOHD (0x098 >> 2) |
| 64 |
#define GT_PCI1M0LD (0x0a0 >> 2) |
| 65 |
#define GT_PCI1M0HD (0x0a8 >> 2) |
| 66 |
#define GT_PCI1M1LD (0x0b0 >> 2) |
| 67 |
#define GT_PCI1M1HD (0x0b8 >> 2) |
| 68 |
#define GT_ISD (0x068 >> 2) |
| 69 |
|
| 70 |
#define GT_SCS10AR (0x0d0 >> 2) |
| 71 |
#define GT_SCS32AR (0x0d8 >> 2) |
| 72 |
#define GT_CS20R (0x0e0 >> 2) |
| 73 |
#define GT_CS3BOOTR (0x0e8 >> 2) |
| 74 |
|
| 75 |
#define GT_PCI0IOREMAP (0x0f0 >> 2) |
| 76 |
#define GT_PCI0M0REMAP (0x0f8 >> 2) |
| 77 |
#define GT_PCI0M1REMAP (0x100 >> 2) |
| 78 |
#define GT_PCI1IOREMAP (0x108 >> 2) |
| 79 |
#define GT_PCI1M0REMAP (0x110 >> 2) |
| 80 |
#define GT_PCI1M1REMAP (0x118 >> 2) |
| 81 |
|
| 82 |
/* CPU Error Report */
|
| 83 |
#define GT_CPUERR_ADDRLO (0x070 >> 2) |
| 84 |
#define GT_CPUERR_ADDRHI (0x078 >> 2) |
| 85 |
#define GT_CPUERR_DATALO (0x128 >> 2) /* GT-64120A only */ |
| 86 |
#define GT_CPUERR_DATAHI (0x130 >> 2) /* GT-64120A only */ |
| 87 |
#define GT_CPUERR_PARITY (0x138 >> 2) /* GT-64120A only */ |
| 88 |
|
| 89 |
/* CPU Sync Barrier */
|
| 90 |
#define GT_PCI0SYNC (0x0c0 >> 2) |
| 91 |
#define GT_PCI1SYNC (0x0c8 >> 2) |
| 92 |
|
| 93 |
/* SDRAM and Device Address Decode */
|
| 94 |
#define GT_SCS0LD (0x400 >> 2) |
| 95 |
#define GT_SCS0HD (0x404 >> 2) |
| 96 |
#define GT_SCS1LD (0x408 >> 2) |
| 97 |
#define GT_SCS1HD (0x40c >> 2) |
| 98 |
#define GT_SCS2LD (0x410 >> 2) |
| 99 |
#define GT_SCS2HD (0x414 >> 2) |
| 100 |
#define GT_SCS3LD (0x418 >> 2) |
| 101 |
#define GT_SCS3HD (0x41c >> 2) |
| 102 |
#define GT_CS0LD (0x420 >> 2) |
| 103 |
#define GT_CS0HD (0x424 >> 2) |
| 104 |
#define GT_CS1LD (0x428 >> 2) |
| 105 |
#define GT_CS1HD (0x42c >> 2) |
| 106 |
#define GT_CS2LD (0x430 >> 2) |
| 107 |
#define GT_CS2HD (0x434 >> 2) |
| 108 |
#define GT_CS3LD (0x438 >> 2) |
| 109 |
#define GT_CS3HD (0x43c >> 2) |
| 110 |
#define GT_BOOTLD (0x440 >> 2) |
| 111 |
#define GT_BOOTHD (0x444 >> 2) |
| 112 |
#define GT_ADERR (0x470 >> 2) |
| 113 |
|
| 114 |
/* SDRAM Configuration */
|
| 115 |
#define GT_SDRAM_CFG (0x448 >> 2) |
| 116 |
#define GT_SDRAM_OPMODE (0x474 >> 2) |
| 117 |
#define GT_SDRAM_BM (0x478 >> 2) |
| 118 |
#define GT_SDRAM_ADDRDECODE (0x47c >> 2) |
| 119 |
|
| 120 |
/* SDRAM Parameters */
|
| 121 |
#define GT_SDRAM_B0 (0x44c >> 2) |
| 122 |
#define GT_SDRAM_B1 (0x450 >> 2) |
| 123 |
#define GT_SDRAM_B2 (0x454 >> 2) |
| 124 |
#define GT_SDRAM_B3 (0x458 >> 2) |
| 125 |
|
| 126 |
/* Device Parameters */
|
| 127 |
#define GT_DEV_B0 (0x45c >> 2) |
| 128 |
#define GT_DEV_B1 (0x460 >> 2) |
| 129 |
#define GT_DEV_B2 (0x464 >> 2) |
| 130 |
#define GT_DEV_B3 (0x468 >> 2) |
| 131 |
#define GT_DEV_BOOT (0x46c >> 2) |
| 132 |
|
| 133 |
/* ECC */
|
| 134 |
#define GT_ECC_ERRDATALO (0x480 >> 2) /* GT-64120A only */ |
| 135 |
#define GT_ECC_ERRDATAHI (0x484 >> 2) /* GT-64120A only */ |
| 136 |
#define GT_ECC_MEM (0x488 >> 2) /* GT-64120A only */ |
| 137 |
#define GT_ECC_CALC (0x48c >> 2) /* GT-64120A only */ |
| 138 |
#define GT_ECC_ERRADDR (0x490 >> 2) /* GT-64120A only */ |
| 139 |
|
| 140 |
/* DMA Record */
|
| 141 |
#define GT_DMA0_CNT (0x800 >> 2) |
| 142 |
#define GT_DMA1_CNT (0x804 >> 2) |
| 143 |
#define GT_DMA2_CNT (0x808 >> 2) |
| 144 |
#define GT_DMA3_CNT (0x80c >> 2) |
| 145 |
#define GT_DMA0_SA (0x810 >> 2) |
| 146 |
#define GT_DMA1_SA (0x814 >> 2) |
| 147 |
#define GT_DMA2_SA (0x818 >> 2) |
| 148 |
#define GT_DMA3_SA (0x81c >> 2) |
| 149 |
#define GT_DMA0_DA (0x820 >> 2) |
| 150 |
#define GT_DMA1_DA (0x824 >> 2) |
| 151 |
#define GT_DMA2_DA (0x828 >> 2) |
| 152 |
#define GT_DMA3_DA (0x82c >> 2) |
| 153 |
#define GT_DMA0_NEXT (0x830 >> 2) |
| 154 |
#define GT_DMA1_NEXT (0x834 >> 2) |
| 155 |
#define GT_DMA2_NEXT (0x838 >> 2) |
| 156 |
#define GT_DMA3_NEXT (0x83c >> 2) |
| 157 |
#define GT_DMA0_CUR (0x870 >> 2) |
| 158 |
#define GT_DMA1_CUR (0x874 >> 2) |
| 159 |
#define GT_DMA2_CUR (0x878 >> 2) |
| 160 |
#define GT_DMA3_CUR (0x87c >> 2) |
| 161 |
|
| 162 |
/* DMA Channel Control */
|
| 163 |
#define GT_DMA0_CTRL (0x840 >> 2) |
| 164 |
#define GT_DMA1_CTRL (0x844 >> 2) |
| 165 |
#define GT_DMA2_CTRL (0x848 >> 2) |
| 166 |
#define GT_DMA3_CTRL (0x84c >> 2) |
| 167 |
|
| 168 |
/* DMA Arbiter */
|
| 169 |
#define GT_DMA_ARB (0x860 >> 2) |
| 170 |
|
| 171 |
/* Timer/Counter */
|
| 172 |
#define GT_TC0 (0x850 >> 2) |
| 173 |
#define GT_TC1 (0x854 >> 2) |
| 174 |
#define GT_TC2 (0x858 >> 2) |
| 175 |
#define GT_TC3 (0x85c >> 2) |
| 176 |
#define GT_TC_CONTROL (0x864 >> 2) |
| 177 |
|
| 178 |
/* PCI Internal */
|
| 179 |
#define GT_PCI0_CMD (0xc00 >> 2) |
| 180 |
#define GT_PCI0_TOR (0xc04 >> 2) |
| 181 |
#define GT_PCI0_BS_SCS10 (0xc08 >> 2) |
| 182 |
#define GT_PCI0_BS_SCS32 (0xc0c >> 2) |
| 183 |
#define GT_PCI0_BS_CS20 (0xc10 >> 2) |
| 184 |
#define GT_PCI0_BS_CS3BT (0xc14 >> 2) |
| 185 |
#define GT_PCI1_IACK (0xc30 >> 2) |
| 186 |
#define GT_PCI0_IACK (0xc34 >> 2) |
| 187 |
#define GT_PCI0_BARE (0xc3c >> 2) |
| 188 |
#define GT_PCI0_PREFMBR (0xc40 >> 2) |
| 189 |
#define GT_PCI0_SCS10_BAR (0xc48 >> 2) |
| 190 |
#define GT_PCI0_SCS32_BAR (0xc4c >> 2) |
| 191 |
#define GT_PCI0_CS20_BAR (0xc50 >> 2) |
| 192 |
#define GT_PCI0_CS3BT_BAR (0xc54 >> 2) |
| 193 |
#define GT_PCI0_SSCS10_BAR (0xc58 >> 2) |
| 194 |
#define GT_PCI0_SSCS32_BAR (0xc5c >> 2) |
| 195 |
#define GT_PCI0_SCS3BT_BAR (0xc64 >> 2) |
| 196 |
#define GT_PCI1_CMD (0xc80 >> 2) |
| 197 |
#define GT_PCI1_TOR (0xc84 >> 2) |
| 198 |
#define GT_PCI1_BS_SCS10 (0xc88 >> 2) |
| 199 |
#define GT_PCI1_BS_SCS32 (0xc8c >> 2) |
| 200 |
#define GT_PCI1_BS_CS20 (0xc90 >> 2) |
| 201 |
#define GT_PCI1_BS_CS3BT (0xc94 >> 2) |
| 202 |
#define GT_PCI1_BARE (0xcbc >> 2) |
| 203 |
#define GT_PCI1_PREFMBR (0xcc0 >> 2) |
| 204 |
#define GT_PCI1_SCS10_BAR (0xcc8 >> 2) |
| 205 |
#define GT_PCI1_SCS32_BAR (0xccc >> 2) |
| 206 |
#define GT_PCI1_CS20_BAR (0xcd0 >> 2) |
| 207 |
#define GT_PCI1_CS3BT_BAR (0xcd4 >> 2) |
| 208 |
#define GT_PCI1_SSCS10_BAR (0xcd8 >> 2) |
| 209 |
#define GT_PCI1_SSCS32_BAR (0xcdc >> 2) |
| 210 |
#define GT_PCI1_SCS3BT_BAR (0xce4 >> 2) |
| 211 |
#define GT_PCI1_CFGADDR (0xcf0 >> 2) |
| 212 |
#define GT_PCI1_CFGDATA (0xcf4 >> 2) |
| 213 |
#define GT_PCI0_CFGADDR (0xcf8 >> 2) |
| 214 |
#define GT_PCI0_CFGDATA (0xcfc >> 2) |
| 215 |
|
| 216 |
/* Interrupts */
|
| 217 |
#define GT_INTRCAUSE (0xc18 >> 2) |
| 218 |
#define GT_INTRMASK (0xc1c >> 2) |
| 219 |
#define GT_PCI0_ICMASK (0xc24 >> 2) |
| 220 |
#define GT_PCI0_SERR0MASK (0xc28 >> 2) |
| 221 |
#define GT_CPU_INTSEL (0xc70 >> 2) |
| 222 |
#define GT_PCI0_INTSEL (0xc74 >> 2) |
| 223 |
#define GT_HINTRCAUSE (0xc98 >> 2) |
| 224 |
#define GT_HINTRMASK (0xc9c >> 2) |
| 225 |
#define GT_PCI0_HICMASK (0xca4 >> 2) |
| 226 |
#define GT_PCI1_SERR1MASK (0xca8 >> 2) |
| 227 |
|
| 228 |
|
| 229 |
typedef PCIHostState GT64120PCIState;
|
| 230 |
|
| 231 |
#define PCI_MAPPING_ENTRY(regname) \
|
| 232 |
target_phys_addr_t regname ##_start; \ |
| 233 |
target_phys_addr_t regname ##_length; \ |
| 234 |
int regname ##_handle |
| 235 |
|
| 236 |
typedef struct GT64120State { |
| 237 |
GT64120PCIState *pci; |
| 238 |
uint32_t regs[GT_REGS]; |
| 239 |
PCI_MAPPING_ENTRY(PCI0IO); |
| 240 |
PCI_MAPPING_ENTRY(ISD); |
| 241 |
} GT64120State; |
| 242 |
|
| 243 |
/* Adjust range to avoid touching space which isn't mappable via PCI */
|
| 244 |
/* XXX: Hardcoded values for Malta: 0x1e000000 - 0x1f100000
|
| 245 |
0x1fc00000 - 0x1fd00000 */
|
| 246 |
static void check_reserved_space (target_phys_addr_t *start, |
| 247 |
target_phys_addr_t *length) |
| 248 |
{
|
| 249 |
target_phys_addr_t begin = *start; |
| 250 |
target_phys_addr_t end = *start + *length; |
| 251 |
|
| 252 |
if (end >= 0x1e000000LL && end < 0x1f100000LL) |
| 253 |
end = 0x1e000000LL;
|
| 254 |
if (begin >= 0x1e000000LL && begin < 0x1f100000LL) |
| 255 |
begin = 0x1f100000LL;
|
| 256 |
if (end >= 0x1fc00000LL && end < 0x1fd00000LL) |
| 257 |
end = 0x1fc00000LL;
|
| 258 |
if (begin >= 0x1fc00000LL && begin < 0x1fd00000LL) |
| 259 |
begin = 0x1fd00000LL;
|
| 260 |
/* XXX: This is broken when a reserved range splits the requested range */
|
| 261 |
if (end >= 0x1f100000LL && begin < 0x1e000000LL) |
| 262 |
end = 0x1e000000LL;
|
| 263 |
if (end >= 0x1fd00000LL && begin < 0x1fc00000LL) |
| 264 |
end = 0x1fc00000LL;
|
| 265 |
|
| 266 |
*start = begin; |
| 267 |
*length = end - begin; |
| 268 |
} |
| 269 |
|
| 270 |
static void gt64120_isd_mapping(GT64120State *s) |
| 271 |
{
|
| 272 |
target_phys_addr_t start = s->regs[GT_ISD] << 21;
|
| 273 |
target_phys_addr_t length = 0x1000;
|
| 274 |
|
| 275 |
if (s->ISD_length)
|
| 276 |
cpu_register_physical_memory(s->ISD_start, s->ISD_length, |
| 277 |
IO_MEM_UNASSIGNED); |
| 278 |
check_reserved_space(&start, &length); |
| 279 |
length = 0x1000;
|
| 280 |
/* Map new address */
|
| 281 |
dprintf("ISD: %x@%x -> %x@%x, %x\n", s->ISD_length, s->ISD_start,
|
| 282 |
length, start, s->ISD_handle); |
| 283 |
s->ISD_start = start; |
| 284 |
s->ISD_length = length; |
| 285 |
cpu_register_physical_memory(s->ISD_start, s->ISD_length, s->ISD_handle); |
| 286 |
} |
| 287 |
|
| 288 |
static void gt64120_pci_mapping(GT64120State *s) |
| 289 |
{
|
| 290 |
/* Update IO mapping */
|
| 291 |
if ((s->regs[GT_PCI0IOLD] & 0x7f) <= s->regs[GT_PCI0IOHD]) |
| 292 |
{
|
| 293 |
/* Unmap old IO address */
|
| 294 |
if (s->PCI0IO_length)
|
| 295 |
{
|
| 296 |
cpu_register_physical_memory(s->PCI0IO_start, s->PCI0IO_length, IO_MEM_UNASSIGNED); |
| 297 |
} |
| 298 |
/* Map new IO address */
|
| 299 |
s->PCI0IO_start = s->regs[GT_PCI0IOLD] << 21;
|
| 300 |
s->PCI0IO_length = ((s->regs[GT_PCI0IOHD] + 1) - (s->regs[GT_PCI0IOLD] & 0x7f)) << 21; |
| 301 |
isa_mem_base = s->PCI0IO_start; |
| 302 |
isa_mmio_init(s->PCI0IO_start, s->PCI0IO_length); |
| 303 |
} |
| 304 |
} |
| 305 |
|
| 306 |
static void gt64120_writel (void *opaque, target_phys_addr_t addr, |
| 307 |
uint32_t val) |
| 308 |
{
|
| 309 |
GT64120State *s = opaque; |
| 310 |
uint32_t saddr; |
| 311 |
|
| 312 |
if (!(s->regs[GT_CPU] & 0x00001000)) |
| 313 |
val = bswap32(val); |
| 314 |
|
| 315 |
saddr = (addr & 0xfff) >> 2; |
| 316 |
switch (saddr) {
|
| 317 |
|
| 318 |
/* CPU Configuration */
|
| 319 |
case GT_CPU:
|
| 320 |
s->regs[GT_CPU] = val; |
| 321 |
break;
|
| 322 |
case GT_MULTI:
|
| 323 |
/* Read-only register as only one GT64xxx is present on the CPU bus */
|
| 324 |
break;
|
| 325 |
|
| 326 |
/* CPU Address Decode */
|
| 327 |
case GT_PCI0IOLD:
|
| 328 |
s->regs[GT_PCI0IOLD] = val & 0x00007fff;
|
| 329 |
s->regs[GT_PCI0IOREMAP] = val & 0x000007ff;
|
| 330 |
gt64120_pci_mapping(s); |
| 331 |
break;
|
| 332 |
case GT_PCI0M0LD:
|
| 333 |
s->regs[GT_PCI0M0LD] = val & 0x00007fff;
|
| 334 |
s->regs[GT_PCI0M0REMAP] = val & 0x000007ff;
|
| 335 |
break;
|
| 336 |
case GT_PCI0M1LD:
|
| 337 |
s->regs[GT_PCI0M1LD] = val & 0x00007fff;
|
| 338 |
s->regs[GT_PCI0M1REMAP] = val & 0x000007ff;
|
| 339 |
break;
|
| 340 |
case GT_PCI1IOLD:
|
| 341 |
s->regs[GT_PCI1IOLD] = val & 0x00007fff;
|
| 342 |
s->regs[GT_PCI1IOREMAP] = val & 0x000007ff;
|
| 343 |
break;
|
| 344 |
case GT_PCI1M0LD:
|
| 345 |
s->regs[GT_PCI1M0LD] = val & 0x00007fff;
|
| 346 |
s->regs[GT_PCI1M0REMAP] = val & 0x000007ff;
|
| 347 |
break;
|
| 348 |
case GT_PCI1M1LD:
|
| 349 |
s->regs[GT_PCI1M1LD] = val & 0x00007fff;
|
| 350 |
s->regs[GT_PCI1M1REMAP] = val & 0x000007ff;
|
| 351 |
break;
|
| 352 |
case GT_PCI0IOHD:
|
| 353 |
s->regs[saddr] = val & 0x0000007f;
|
| 354 |
gt64120_pci_mapping(s); |
| 355 |
break;
|
| 356 |
case GT_PCI0M0HD:
|
| 357 |
case GT_PCI0M1HD:
|
| 358 |
case GT_PCI1IOHD:
|
| 359 |
case GT_PCI1M0HD:
|
| 360 |
case GT_PCI1M1HD:
|
| 361 |
s->regs[saddr] = val & 0x0000007f;
|
| 362 |
break;
|
| 363 |
case GT_ISD:
|
| 364 |
s->regs[saddr] = val & 0x00007fff;
|
| 365 |
gt64120_isd_mapping(s); |
| 366 |
break;
|
| 367 |
|
| 368 |
case GT_PCI0IOREMAP:
|
| 369 |
case GT_PCI0M0REMAP:
|
| 370 |
case GT_PCI0M1REMAP:
|
| 371 |
case GT_PCI1IOREMAP:
|
| 372 |
case GT_PCI1M0REMAP:
|
| 373 |
case GT_PCI1M1REMAP:
|
| 374 |
s->regs[saddr] = val & 0x000007ff;
|
| 375 |
break;
|
| 376 |
|
| 377 |
/* CPU Error Report */
|
| 378 |
case GT_CPUERR_ADDRLO:
|
| 379 |
case GT_CPUERR_ADDRHI:
|
| 380 |
case GT_CPUERR_DATALO:
|
| 381 |
case GT_CPUERR_DATAHI:
|
| 382 |
case GT_CPUERR_PARITY:
|
| 383 |
/* Read-only registers, do nothing */
|
| 384 |
break;
|
| 385 |
|
| 386 |
/* CPU Sync Barrier */
|
| 387 |
case GT_PCI0SYNC:
|
| 388 |
case GT_PCI1SYNC:
|
| 389 |
/* Read-only registers, do nothing */
|
| 390 |
break;
|
| 391 |
|
| 392 |
/* SDRAM and Device Address Decode */
|
| 393 |
case GT_SCS0LD:
|
| 394 |
case GT_SCS0HD:
|
| 395 |
case GT_SCS1LD:
|
| 396 |
case GT_SCS1HD:
|
| 397 |
case GT_SCS2LD:
|
| 398 |
case GT_SCS2HD:
|
| 399 |
case GT_SCS3LD:
|
| 400 |
case GT_SCS3HD:
|
| 401 |
case GT_CS0LD:
|
| 402 |
case GT_CS0HD:
|
| 403 |
case GT_CS1LD:
|
| 404 |
case GT_CS1HD:
|
| 405 |
case GT_CS2LD:
|
| 406 |
case GT_CS2HD:
|
| 407 |
case GT_CS3LD:
|
| 408 |
case GT_CS3HD:
|
| 409 |
case GT_BOOTLD:
|
| 410 |
case GT_BOOTHD:
|
| 411 |
case GT_ADERR:
|
| 412 |
/* SDRAM Configuration */
|
| 413 |
case GT_SDRAM_CFG:
|
| 414 |
case GT_SDRAM_OPMODE:
|
| 415 |
case GT_SDRAM_BM:
|
| 416 |
case GT_SDRAM_ADDRDECODE:
|
| 417 |
/* Accept and ignore SDRAM interleave configuration */
|
| 418 |
s->regs[saddr] = val; |
| 419 |
break;
|
| 420 |
|
| 421 |
/* Device Parameters */
|
| 422 |
case GT_DEV_B0:
|
| 423 |
case GT_DEV_B1:
|
| 424 |
case GT_DEV_B2:
|
| 425 |
case GT_DEV_B3:
|
| 426 |
case GT_DEV_BOOT:
|
| 427 |
/* Not implemented */
|
| 428 |
dprintf ("Unimplemented device register offset 0x%x\n", saddr << 2); |
| 429 |
break;
|
| 430 |
|
| 431 |
/* ECC */
|
| 432 |
case GT_ECC_ERRDATALO:
|
| 433 |
case GT_ECC_ERRDATAHI:
|
| 434 |
case GT_ECC_MEM:
|
| 435 |
case GT_ECC_CALC:
|
| 436 |
case GT_ECC_ERRADDR:
|
| 437 |
/* Read-only registers, do nothing */
|
| 438 |
break;
|
| 439 |
|
| 440 |
/* DMA Record */
|
| 441 |
case GT_DMA0_CNT:
|
| 442 |
case GT_DMA1_CNT:
|
| 443 |
case GT_DMA2_CNT:
|
| 444 |
case GT_DMA3_CNT:
|
| 445 |
case GT_DMA0_SA:
|
| 446 |
case GT_DMA1_SA:
|
| 447 |
case GT_DMA2_SA:
|
| 448 |
case GT_DMA3_SA:
|
| 449 |
case GT_DMA0_DA:
|
| 450 |
case GT_DMA1_DA:
|
| 451 |
case GT_DMA2_DA:
|
| 452 |
case GT_DMA3_DA:
|
| 453 |
case GT_DMA0_NEXT:
|
| 454 |
case GT_DMA1_NEXT:
|
| 455 |
case GT_DMA2_NEXT:
|
| 456 |
case GT_DMA3_NEXT:
|
| 457 |
case GT_DMA0_CUR:
|
| 458 |
case GT_DMA1_CUR:
|
| 459 |
case GT_DMA2_CUR:
|
| 460 |
case GT_DMA3_CUR:
|
| 461 |
/* Not implemented */
|
| 462 |
dprintf ("Unimplemented DMA register offset 0x%x\n", saddr << 2); |
| 463 |
break;
|
| 464 |
|
| 465 |
/* DMA Channel Control */
|
| 466 |
case GT_DMA0_CTRL:
|
| 467 |
case GT_DMA1_CTRL:
|
| 468 |
case GT_DMA2_CTRL:
|
| 469 |
case GT_DMA3_CTRL:
|
| 470 |
/* Not implemented */
|
| 471 |
dprintf ("Unimplemented DMA register offset 0x%x\n", saddr << 2); |
| 472 |
break;
|
| 473 |
|
| 474 |
/* DMA Arbiter */
|
| 475 |
case GT_DMA_ARB:
|
| 476 |
/* Not implemented */
|
| 477 |
dprintf ("Unimplemented DMA register offset 0x%x\n", saddr << 2); |
| 478 |
break;
|
| 479 |
|
| 480 |
/* Timer/Counter */
|
| 481 |
case GT_TC0:
|
| 482 |
case GT_TC1:
|
| 483 |
case GT_TC2:
|
| 484 |
case GT_TC3:
|
| 485 |
case GT_TC_CONTROL:
|
| 486 |
/* Not implemented */
|
| 487 |
dprintf ("Unimplemented timer register offset 0x%x\n", saddr << 2); |
| 488 |
break;
|
| 489 |
|
| 490 |
/* PCI Internal */
|
| 491 |
case GT_PCI0_CMD:
|
| 492 |
case GT_PCI1_CMD:
|
| 493 |
s->regs[saddr] = val & 0x0401fc0f;
|
| 494 |
break;
|
| 495 |
case GT_PCI0_TOR:
|
| 496 |
case GT_PCI0_BS_SCS10:
|
| 497 |
case GT_PCI0_BS_SCS32:
|
| 498 |
case GT_PCI0_BS_CS20:
|
| 499 |
case GT_PCI0_BS_CS3BT:
|
| 500 |
case GT_PCI1_IACK:
|
| 501 |
case GT_PCI0_IACK:
|
| 502 |
case GT_PCI0_BARE:
|
| 503 |
case GT_PCI0_PREFMBR:
|
| 504 |
case GT_PCI0_SCS10_BAR:
|
| 505 |
case GT_PCI0_SCS32_BAR:
|
| 506 |
case GT_PCI0_CS20_BAR:
|
| 507 |
case GT_PCI0_CS3BT_BAR:
|
| 508 |
case GT_PCI0_SSCS10_BAR:
|
| 509 |
case GT_PCI0_SSCS32_BAR:
|
| 510 |
case GT_PCI0_SCS3BT_BAR:
|
| 511 |
case GT_PCI1_TOR:
|
| 512 |
case GT_PCI1_BS_SCS10:
|
| 513 |
case GT_PCI1_BS_SCS32:
|
| 514 |
case GT_PCI1_BS_CS20:
|
| 515 |
case GT_PCI1_BS_CS3BT:
|
| 516 |
case GT_PCI1_BARE:
|
| 517 |
case GT_PCI1_PREFMBR:
|
| 518 |
case GT_PCI1_SCS10_BAR:
|
| 519 |
case GT_PCI1_SCS32_BAR:
|
| 520 |
case GT_PCI1_CS20_BAR:
|
| 521 |
case GT_PCI1_CS3BT_BAR:
|
| 522 |
case GT_PCI1_SSCS10_BAR:
|
| 523 |
case GT_PCI1_SSCS32_BAR:
|
| 524 |
case GT_PCI1_SCS3BT_BAR:
|
| 525 |
case GT_PCI1_CFGADDR:
|
| 526 |
case GT_PCI1_CFGDATA:
|
| 527 |
/* not implemented */
|
| 528 |
break;
|
| 529 |
case GT_PCI0_CFGADDR:
|
| 530 |
s->pci->config_reg = val & 0x80fffffc;
|
| 531 |
break;
|
| 532 |
case GT_PCI0_CFGDATA:
|
| 533 |
if (!(s->regs[GT_PCI0_CMD] & 1) && (s->pci->config_reg & 0x00fff800)) |
| 534 |
val = bswap32(val); |
| 535 |
if (s->pci->config_reg & (1u << 31)) |
| 536 |
pci_data_write(s->pci->bus, s->pci->config_reg, val, 4);
|
| 537 |
break;
|
| 538 |
|
| 539 |
/* Interrupts */
|
| 540 |
case GT_INTRCAUSE:
|
| 541 |
/* not really implemented */
|
| 542 |
s->regs[saddr] = ~(~(s->regs[saddr]) | ~(val & 0xfffffffe));
|
| 543 |
s->regs[saddr] |= !!(s->regs[saddr] & 0xfffffffe);
|
| 544 |
dprintf("INTRCAUSE %x\n", val);
|
| 545 |
break;
|
| 546 |
case GT_INTRMASK:
|
| 547 |
s->regs[saddr] = val & 0x3c3ffffe;
|
| 548 |
dprintf("INTRMASK %x\n", val);
|
| 549 |
break;
|
| 550 |
case GT_PCI0_ICMASK:
|
| 551 |
s->regs[saddr] = val & 0x03fffffe;
|
| 552 |
dprintf("ICMASK %x\n", val);
|
| 553 |
break;
|
| 554 |
case GT_PCI0_SERR0MASK:
|
| 555 |
s->regs[saddr] = val & 0x0000003f;
|
| 556 |
dprintf("SERR0MASK %x\n", val);
|
| 557 |
break;
|
| 558 |
|
| 559 |
/* Reserved when only PCI_0 is configured. */
|
| 560 |
case GT_HINTRCAUSE:
|
| 561 |
case GT_CPU_INTSEL:
|
| 562 |
case GT_PCI0_INTSEL:
|
| 563 |
case GT_HINTRMASK:
|
| 564 |
case GT_PCI0_HICMASK:
|
| 565 |
case GT_PCI1_SERR1MASK:
|
| 566 |
/* not implemented */
|
| 567 |
break;
|
| 568 |
|
| 569 |
/* SDRAM Parameters */
|
| 570 |
case GT_SDRAM_B0:
|
| 571 |
case GT_SDRAM_B1:
|
| 572 |
case GT_SDRAM_B2:
|
| 573 |
case GT_SDRAM_B3:
|
| 574 |
/* We don't simulate electrical parameters of the SDRAM.
|
| 575 |
Accept, but ignore the values. */
|
| 576 |
s->regs[saddr] = val; |
| 577 |
break;
|
| 578 |
|
| 579 |
default:
|
| 580 |
dprintf ("Bad register offset 0x%x\n", (int)addr); |
| 581 |
break;
|
| 582 |
} |
| 583 |
} |
| 584 |
|
| 585 |
static uint32_t gt64120_readl (void *opaque, |
| 586 |
target_phys_addr_t addr) |
| 587 |
{
|
| 588 |
GT64120State *s = opaque; |
| 589 |
uint32_t val; |
| 590 |
uint32_t saddr; |
| 591 |
|
| 592 |
saddr = (addr & 0xfff) >> 2; |
| 593 |
switch (saddr) {
|
| 594 |
|
| 595 |
/* CPU Configuration */
|
| 596 |
case GT_MULTI:
|
| 597 |
/* Only one GT64xxx is present on the CPU bus, return
|
| 598 |
the initial value */
|
| 599 |
val = s->regs[saddr]; |
| 600 |
break;
|
| 601 |
|
| 602 |
/* CPU Error Report */
|
| 603 |
case GT_CPUERR_ADDRLO:
|
| 604 |
case GT_CPUERR_ADDRHI:
|
| 605 |
case GT_CPUERR_DATALO:
|
| 606 |
case GT_CPUERR_DATAHI:
|
| 607 |
case GT_CPUERR_PARITY:
|
| 608 |
/* Emulated memory has no error, always return the initial
|
| 609 |
values */
|
| 610 |
val = s->regs[saddr]; |
| 611 |
break;
|
| 612 |
|
| 613 |
/* CPU Sync Barrier */
|
| 614 |
case GT_PCI0SYNC:
|
| 615 |
case GT_PCI1SYNC:
|
| 616 |
/* Reading those register should empty all FIFO on the PCI
|
| 617 |
bus, which are not emulated. The return value should be
|
| 618 |
a random value that should be ignored. */
|
| 619 |
val = 0xc000ffee;
|
| 620 |
break;
|
| 621 |
|
| 622 |
/* ECC */
|
| 623 |
case GT_ECC_ERRDATALO:
|
| 624 |
case GT_ECC_ERRDATAHI:
|
| 625 |
case GT_ECC_MEM:
|
| 626 |
case GT_ECC_CALC:
|
| 627 |
case GT_ECC_ERRADDR:
|
| 628 |
/* Emulated memory has no error, always return the initial
|
| 629 |
values */
|
| 630 |
val = s->regs[saddr]; |
| 631 |
break;
|
| 632 |
|
| 633 |
case GT_CPU:
|
| 634 |
case GT_SCS10LD:
|
| 635 |
case GT_SCS10HD:
|
| 636 |
case GT_SCS32LD:
|
| 637 |
case GT_SCS32HD:
|
| 638 |
case GT_CS20LD:
|
| 639 |
case GT_CS20HD:
|
| 640 |
case GT_CS3BOOTLD:
|
| 641 |
case GT_CS3BOOTHD:
|
| 642 |
case GT_SCS10AR:
|
| 643 |
case GT_SCS32AR:
|
| 644 |
case GT_CS20R:
|
| 645 |
case GT_CS3BOOTR:
|
| 646 |
case GT_PCI0IOLD:
|
| 647 |
case GT_PCI0M0LD:
|
| 648 |
case GT_PCI0M1LD:
|
| 649 |
case GT_PCI1IOLD:
|
| 650 |
case GT_PCI1M0LD:
|
| 651 |
case GT_PCI1M1LD:
|
| 652 |
case GT_PCI0IOHD:
|
| 653 |
case GT_PCI0M0HD:
|
| 654 |
case GT_PCI0M1HD:
|
| 655 |
case GT_PCI1IOHD:
|
| 656 |
case GT_PCI1M0HD:
|
| 657 |
case GT_PCI1M1HD:
|
| 658 |
case GT_PCI0IOREMAP:
|
| 659 |
case GT_PCI0M0REMAP:
|
| 660 |
case GT_PCI0M1REMAP:
|
| 661 |
case GT_PCI1IOREMAP:
|
| 662 |
case GT_PCI1M0REMAP:
|
| 663 |
case GT_PCI1M1REMAP:
|
| 664 |
case GT_ISD:
|
| 665 |
val = s->regs[saddr]; |
| 666 |
break;
|
| 667 |
case GT_PCI0_IACK:
|
| 668 |
/* Read the IRQ number */
|
| 669 |
val = pic_read_irq(isa_pic); |
| 670 |
break;
|
| 671 |
|
| 672 |
/* SDRAM and Device Address Decode */
|
| 673 |
case GT_SCS0LD:
|
| 674 |
case GT_SCS0HD:
|
| 675 |
case GT_SCS1LD:
|
| 676 |
case GT_SCS1HD:
|
| 677 |
case GT_SCS2LD:
|
| 678 |
case GT_SCS2HD:
|
| 679 |
case GT_SCS3LD:
|
| 680 |
case GT_SCS3HD:
|
| 681 |
case GT_CS0LD:
|
| 682 |
case GT_CS0HD:
|
| 683 |
case GT_CS1LD:
|
| 684 |
case GT_CS1HD:
|
| 685 |
case GT_CS2LD:
|
| 686 |
case GT_CS2HD:
|
| 687 |
case GT_CS3LD:
|
| 688 |
case GT_CS3HD:
|
| 689 |
case GT_BOOTLD:
|
| 690 |
case GT_BOOTHD:
|
| 691 |
case GT_ADERR:
|
| 692 |
val = s->regs[saddr]; |
| 693 |
break;
|
| 694 |
|
| 695 |
/* SDRAM Configuration */
|
| 696 |
case GT_SDRAM_CFG:
|
| 697 |
case GT_SDRAM_OPMODE:
|
| 698 |
case GT_SDRAM_BM:
|
| 699 |
case GT_SDRAM_ADDRDECODE:
|
| 700 |
val = s->regs[saddr]; |
| 701 |
break;
|
| 702 |
|
| 703 |
/* SDRAM Parameters */
|
| 704 |
case GT_SDRAM_B0:
|
| 705 |
case GT_SDRAM_B1:
|
| 706 |
case GT_SDRAM_B2:
|
| 707 |
case GT_SDRAM_B3:
|
| 708 |
/* We don't simulate electrical parameters of the SDRAM.
|
| 709 |
Just return the last written value. */
|
| 710 |
val = s->regs[saddr]; |
| 711 |
break;
|
| 712 |
|
| 713 |
/* Device Parameters */
|
| 714 |
case GT_DEV_B0:
|
| 715 |
case GT_DEV_B1:
|
| 716 |
case GT_DEV_B2:
|
| 717 |
case GT_DEV_B3:
|
| 718 |
case GT_DEV_BOOT:
|
| 719 |
val = s->regs[saddr]; |
| 720 |
break;
|
| 721 |
|
| 722 |
/* DMA Record */
|
| 723 |
case GT_DMA0_CNT:
|
| 724 |
case GT_DMA1_CNT:
|
| 725 |
case GT_DMA2_CNT:
|
| 726 |
case GT_DMA3_CNT:
|
| 727 |
case GT_DMA0_SA:
|
| 728 |
case GT_DMA1_SA:
|
| 729 |
case GT_DMA2_SA:
|
| 730 |
case GT_DMA3_SA:
|
| 731 |
case GT_DMA0_DA:
|
| 732 |
case GT_DMA1_DA:
|
| 733 |
case GT_DMA2_DA:
|
| 734 |
case GT_DMA3_DA:
|
| 735 |
case GT_DMA0_NEXT:
|
| 736 |
case GT_DMA1_NEXT:
|
| 737 |
case GT_DMA2_NEXT:
|
| 738 |
case GT_DMA3_NEXT:
|
| 739 |
case GT_DMA0_CUR:
|
| 740 |
case GT_DMA1_CUR:
|
| 741 |
case GT_DMA2_CUR:
|
| 742 |
case GT_DMA3_CUR:
|
| 743 |
val = s->regs[saddr]; |
| 744 |
break;
|
| 745 |
|
| 746 |
/* DMA Channel Control */
|
| 747 |
case GT_DMA0_CTRL:
|
| 748 |
case GT_DMA1_CTRL:
|
| 749 |
case GT_DMA2_CTRL:
|
| 750 |
case GT_DMA3_CTRL:
|
| 751 |
val = s->regs[saddr]; |
| 752 |
break;
|
| 753 |
|
| 754 |
/* DMA Arbiter */
|
| 755 |
case GT_DMA_ARB:
|
| 756 |
val = s->regs[saddr]; |
| 757 |
break;
|
| 758 |
|
| 759 |
/* Timer/Counter */
|
| 760 |
case GT_TC0:
|
| 761 |
case GT_TC1:
|
| 762 |
case GT_TC2:
|
| 763 |
case GT_TC3:
|
| 764 |
case GT_TC_CONTROL:
|
| 765 |
val = s->regs[saddr]; |
| 766 |
break;
|
| 767 |
|
| 768 |
/* PCI Internal */
|
| 769 |
case GT_PCI0_CFGADDR:
|
| 770 |
val = s->pci->config_reg; |
| 771 |
break;
|
| 772 |
case GT_PCI0_CFGDATA:
|
| 773 |
if (!(s->pci->config_reg & (1 << 31))) |
| 774 |
val = 0xffffffff;
|
| 775 |
else
|
| 776 |
val = pci_data_read(s->pci->bus, s->pci->config_reg, 4);
|
| 777 |
if (!(s->regs[GT_PCI0_CMD] & 1) && (s->pci->config_reg & 0x00fff800)) |
| 778 |
val = bswap32(val); |
| 779 |
break;
|
| 780 |
|
| 781 |
case GT_PCI0_CMD:
|
| 782 |
case GT_PCI0_TOR:
|
| 783 |
case GT_PCI0_BS_SCS10:
|
| 784 |
case GT_PCI0_BS_SCS32:
|
| 785 |
case GT_PCI0_BS_CS20:
|
| 786 |
case GT_PCI0_BS_CS3BT:
|
| 787 |
case GT_PCI1_IACK:
|
| 788 |
case GT_PCI0_BARE:
|
| 789 |
case GT_PCI0_PREFMBR:
|
| 790 |
case GT_PCI0_SCS10_BAR:
|
| 791 |
case GT_PCI0_SCS32_BAR:
|
| 792 |
case GT_PCI0_CS20_BAR:
|
| 793 |
case GT_PCI0_CS3BT_BAR:
|
| 794 |
case GT_PCI0_SSCS10_BAR:
|
| 795 |
case GT_PCI0_SSCS32_BAR:
|
| 796 |
case GT_PCI0_SCS3BT_BAR:
|
| 797 |
case GT_PCI1_CMD:
|
| 798 |
case GT_PCI1_TOR:
|
| 799 |
case GT_PCI1_BS_SCS10:
|
| 800 |
case GT_PCI1_BS_SCS32:
|
| 801 |
case GT_PCI1_BS_CS20:
|
| 802 |
case GT_PCI1_BS_CS3BT:
|
| 803 |
case GT_PCI1_BARE:
|
| 804 |
case GT_PCI1_PREFMBR:
|
| 805 |
case GT_PCI1_SCS10_BAR:
|
| 806 |
case GT_PCI1_SCS32_BAR:
|
| 807 |
case GT_PCI1_CS20_BAR:
|
| 808 |
case GT_PCI1_CS3BT_BAR:
|
| 809 |
case GT_PCI1_SSCS10_BAR:
|
| 810 |
case GT_PCI1_SSCS32_BAR:
|
| 811 |
case GT_PCI1_SCS3BT_BAR:
|
| 812 |
case GT_PCI1_CFGADDR:
|
| 813 |
case GT_PCI1_CFGDATA:
|
| 814 |
val = s->regs[saddr]; |
| 815 |
break;
|
| 816 |
|
| 817 |
/* Interrupts */
|
| 818 |
case GT_INTRCAUSE:
|
| 819 |
val = s->regs[saddr]; |
| 820 |
dprintf("INTRCAUSE %x\n", val);
|
| 821 |
break;
|
| 822 |
case GT_INTRMASK:
|
| 823 |
val = s->regs[saddr]; |
| 824 |
dprintf("INTRMASK %x\n", val);
|
| 825 |
break;
|
| 826 |
case GT_PCI0_ICMASK:
|
| 827 |
val = s->regs[saddr]; |
| 828 |
dprintf("ICMASK %x\n", val);
|
| 829 |
break;
|
| 830 |
case GT_PCI0_SERR0MASK:
|
| 831 |
val = s->regs[saddr]; |
| 832 |
dprintf("SERR0MASK %x\n", val);
|
| 833 |
break;
|
| 834 |
|
| 835 |
/* Reserved when only PCI_0 is configured. */
|
| 836 |
case GT_HINTRCAUSE:
|
| 837 |
case GT_CPU_INTSEL:
|
| 838 |
case GT_PCI0_INTSEL:
|
| 839 |
case GT_HINTRMASK:
|
| 840 |
case GT_PCI0_HICMASK:
|
| 841 |
case GT_PCI1_SERR1MASK:
|
| 842 |
val = s->regs[saddr]; |
| 843 |
break;
|
| 844 |
|
| 845 |
default:
|
| 846 |
val = s->regs[saddr]; |
| 847 |
dprintf ("Bad register offset 0x%x\n", (int)addr); |
| 848 |
break;
|
| 849 |
} |
| 850 |
|
| 851 |
if (!(s->regs[GT_CPU] & 0x00001000)) |
| 852 |
val = bswap32(val); |
| 853 |
|
| 854 |
return val;
|
| 855 |
} |
| 856 |
|
| 857 |
static CPUWriteMemoryFunc * const gt64120_write[] = { |
| 858 |
>64120_writel, |
| 859 |
>64120_writel, |
| 860 |
>64120_writel, |
| 861 |
}; |
| 862 |
|
| 863 |
static CPUReadMemoryFunc * const gt64120_read[] = { |
| 864 |
>64120_readl, |
| 865 |
>64120_readl, |
| 866 |
>64120_readl, |
| 867 |
}; |
| 868 |
|
| 869 |
static int pci_gt64120_map_irq(PCIDevice *pci_dev, int irq_num) |
| 870 |
{
|
| 871 |
int slot;
|
| 872 |
|
| 873 |
slot = (pci_dev->devfn >> 3);
|
| 874 |
|
| 875 |
switch (slot) {
|
| 876 |
/* PIIX4 USB */
|
| 877 |
case 10: |
| 878 |
return 3; |
| 879 |
/* AMD 79C973 Ethernet */
|
| 880 |
case 11: |
| 881 |
return 1; |
| 882 |
/* Crystal 4281 Sound */
|
| 883 |
case 12: |
| 884 |
return 2; |
| 885 |
/* PCI slot 1 to 4 */
|
| 886 |
case 18 ... 21: |
| 887 |
return ((slot - 18) + irq_num) & 0x03; |
| 888 |
/* Unknown device, don't do any translation */
|
| 889 |
default:
|
| 890 |
return irq_num;
|
| 891 |
} |
| 892 |
} |
| 893 |
|
| 894 |
static int pci_irq_levels[4]; |
| 895 |
|
| 896 |
static void pci_gt64120_set_irq(void *opaque, int irq_num, int level) |
| 897 |
{
|
| 898 |
int i, pic_irq, pic_level;
|
| 899 |
qemu_irq *pic = opaque; |
| 900 |
|
| 901 |
pci_irq_levels[irq_num] = level; |
| 902 |
|
| 903 |
/* now we change the pic irq level according to the piix irq mappings */
|
| 904 |
/* XXX: optimize */
|
| 905 |
pic_irq = piix4_dev->config[0x60 + irq_num];
|
| 906 |
if (pic_irq < 16) { |
| 907 |
/* The pic level is the logical OR of all the PCI irqs mapped
|
| 908 |
to it */
|
| 909 |
pic_level = 0;
|
| 910 |
for (i = 0; i < 4; i++) { |
| 911 |
if (pic_irq == piix4_dev->config[0x60 + i]) |
| 912 |
pic_level |= pci_irq_levels[i]; |
| 913 |
} |
| 914 |
qemu_set_irq(pic[pic_irq], pic_level); |
| 915 |
} |
| 916 |
} |
| 917 |
|
| 918 |
|
| 919 |
static void gt64120_reset(void *opaque) |
| 920 |
{
|
| 921 |
GT64120State *s = opaque; |
| 922 |
|
| 923 |
/* FIXME: Malta specific hw assumptions ahead */
|
| 924 |
|
| 925 |
/* CPU Configuration */
|
| 926 |
#ifdef TARGET_WORDS_BIGENDIAN
|
| 927 |
s->regs[GT_CPU] = 0x00000000;
|
| 928 |
#else
|
| 929 |
s->regs[GT_CPU] = 0x00001000;
|
| 930 |
#endif
|
| 931 |
s->regs[GT_MULTI] = 0x00000003;
|
| 932 |
|
| 933 |
/* CPU Address decode */
|
| 934 |
s->regs[GT_SCS10LD] = 0x00000000;
|
| 935 |
s->regs[GT_SCS10HD] = 0x00000007;
|
| 936 |
s->regs[GT_SCS32LD] = 0x00000008;
|
| 937 |
s->regs[GT_SCS32HD] = 0x0000000f;
|
| 938 |
s->regs[GT_CS20LD] = 0x000000e0;
|
| 939 |
s->regs[GT_CS20HD] = 0x00000070;
|
| 940 |
s->regs[GT_CS3BOOTLD] = 0x000000f8;
|
| 941 |
s->regs[GT_CS3BOOTHD] = 0x0000007f;
|
| 942 |
|
| 943 |
s->regs[GT_PCI0IOLD] = 0x00000080;
|
| 944 |
s->regs[GT_PCI0IOHD] = 0x0000000f;
|
| 945 |
s->regs[GT_PCI0M0LD] = 0x00000090;
|
| 946 |
s->regs[GT_PCI0M0HD] = 0x0000001f;
|
| 947 |
s->regs[GT_ISD] = 0x000000a0;
|
| 948 |
s->regs[GT_PCI0M1LD] = 0x00000790;
|
| 949 |
s->regs[GT_PCI0M1HD] = 0x0000001f;
|
| 950 |
s->regs[GT_PCI1IOLD] = 0x00000100;
|
| 951 |
s->regs[GT_PCI1IOHD] = 0x0000000f;
|
| 952 |
s->regs[GT_PCI1M0LD] = 0x00000110;
|
| 953 |
s->regs[GT_PCI1M0HD] = 0x0000001f;
|
| 954 |
s->regs[GT_PCI1M1LD] = 0x00000120;
|
| 955 |
s->regs[GT_PCI1M1HD] = 0x0000002f;
|
| 956 |
|
| 957 |
s->regs[GT_SCS10AR] = 0x00000000;
|
| 958 |
s->regs[GT_SCS32AR] = 0x00000008;
|
| 959 |
s->regs[GT_CS20R] = 0x000000e0;
|
| 960 |
s->regs[GT_CS3BOOTR] = 0x000000f8;
|
| 961 |
|
| 962 |
s->regs[GT_PCI0IOREMAP] = 0x00000080;
|
| 963 |
s->regs[GT_PCI0M0REMAP] = 0x00000090;
|
| 964 |
s->regs[GT_PCI0M1REMAP] = 0x00000790;
|
| 965 |
s->regs[GT_PCI1IOREMAP] = 0x00000100;
|
| 966 |
s->regs[GT_PCI1M0REMAP] = 0x00000110;
|
| 967 |
s->regs[GT_PCI1M1REMAP] = 0x00000120;
|
| 968 |
|
| 969 |
/* CPU Error Report */
|
| 970 |
s->regs[GT_CPUERR_ADDRLO] = 0x00000000;
|
| 971 |
s->regs[GT_CPUERR_ADDRHI] = 0x00000000;
|
| 972 |
s->regs[GT_CPUERR_DATALO] = 0xffffffff;
|
| 973 |
s->regs[GT_CPUERR_DATAHI] = 0xffffffff;
|
| 974 |
s->regs[GT_CPUERR_PARITY] = 0x000000ff;
|
| 975 |
|
| 976 |
/* CPU Sync Barrier */
|
| 977 |
s->regs[GT_PCI0SYNC] = 0x00000000;
|
| 978 |
s->regs[GT_PCI1SYNC] = 0x00000000;
|
| 979 |
|
| 980 |
/* SDRAM and Device Address Decode */
|
| 981 |
s->regs[GT_SCS0LD] = 0x00000000;
|
| 982 |
s->regs[GT_SCS0HD] = 0x00000007;
|
| 983 |
s->regs[GT_SCS1LD] = 0x00000008;
|
| 984 |
s->regs[GT_SCS1HD] = 0x0000000f;
|
| 985 |
s->regs[GT_SCS2LD] = 0x00000010;
|
| 986 |
s->regs[GT_SCS2HD] = 0x00000017;
|
| 987 |
s->regs[GT_SCS3LD] = 0x00000018;
|
| 988 |
s->regs[GT_SCS3HD] = 0x0000001f;
|
| 989 |
s->regs[GT_CS0LD] = 0x000000c0;
|
| 990 |
s->regs[GT_CS0HD] = 0x000000c7;
|
| 991 |
s->regs[GT_CS1LD] = 0x000000c8;
|
| 992 |
s->regs[GT_CS1HD] = 0x000000cf;
|
| 993 |
s->regs[GT_CS2LD] = 0x000000d0;
|
| 994 |
s->regs[GT_CS2HD] = 0x000000df;
|
| 995 |
s->regs[GT_CS3LD] = 0x000000f0;
|
| 996 |
s->regs[GT_CS3HD] = 0x000000fb;
|
| 997 |
s->regs[GT_BOOTLD] = 0x000000fc;
|
| 998 |
s->regs[GT_BOOTHD] = 0x000000ff;
|
| 999 |
s->regs[GT_ADERR] = 0xffffffff;
|
| 1000 |
|
| 1001 |
/* SDRAM Configuration */
|
| 1002 |
s->regs[GT_SDRAM_CFG] = 0x00000200;
|
| 1003 |
s->regs[GT_SDRAM_OPMODE] = 0x00000000;
|
| 1004 |
s->regs[GT_SDRAM_BM] = 0x00000007;
|
| 1005 |
s->regs[GT_SDRAM_ADDRDECODE] = 0x00000002;
|
| 1006 |
|
| 1007 |
/* SDRAM Parameters */
|
| 1008 |
s->regs[GT_SDRAM_B0] = 0x00000005;
|
| 1009 |
s->regs[GT_SDRAM_B1] = 0x00000005;
|
| 1010 |
s->regs[GT_SDRAM_B2] = 0x00000005;
|
| 1011 |
s->regs[GT_SDRAM_B3] = 0x00000005;
|
| 1012 |
|
| 1013 |
/* ECC */
|
| 1014 |
s->regs[GT_ECC_ERRDATALO] = 0x00000000;
|
| 1015 |
s->regs[GT_ECC_ERRDATAHI] = 0x00000000;
|
| 1016 |
s->regs[GT_ECC_MEM] = 0x00000000;
|
| 1017 |
s->regs[GT_ECC_CALC] = 0x00000000;
|
| 1018 |
s->regs[GT_ECC_ERRADDR] = 0x00000000;
|
| 1019 |
|
| 1020 |
/* Device Parameters */
|
| 1021 |
s->regs[GT_DEV_B0] = 0x386fffff;
|
| 1022 |
s->regs[GT_DEV_B1] = 0x386fffff;
|
| 1023 |
s->regs[GT_DEV_B2] = 0x386fffff;
|
| 1024 |
s->regs[GT_DEV_B3] = 0x386fffff;
|
| 1025 |
s->regs[GT_DEV_BOOT] = 0x146fffff;
|
| 1026 |
|
| 1027 |
/* DMA registers are all zeroed at reset */
|
| 1028 |
|
| 1029 |
/* Timer/Counter */
|
| 1030 |
s->regs[GT_TC0] = 0xffffffff;
|
| 1031 |
s->regs[GT_TC1] = 0x00ffffff;
|
| 1032 |
s->regs[GT_TC2] = 0x00ffffff;
|
| 1033 |
s->regs[GT_TC3] = 0x00ffffff;
|
| 1034 |
s->regs[GT_TC_CONTROL] = 0x00000000;
|
| 1035 |
|
| 1036 |
/* PCI Internal */
|
| 1037 |
#ifdef TARGET_WORDS_BIGENDIAN
|
| 1038 |
s->regs[GT_PCI0_CMD] = 0x00000000;
|
| 1039 |
#else
|
| 1040 |
s->regs[GT_PCI0_CMD] = 0x00010001;
|
| 1041 |
#endif
|
| 1042 |
s->regs[GT_PCI0_TOR] = 0x0000070f;
|
| 1043 |
s->regs[GT_PCI0_BS_SCS10] = 0x00fff000;
|
| 1044 |
s->regs[GT_PCI0_BS_SCS32] = 0x00fff000;
|
| 1045 |
s->regs[GT_PCI0_BS_CS20] = 0x01fff000;
|
| 1046 |
s->regs[GT_PCI0_BS_CS3BT] = 0x00fff000;
|
| 1047 |
s->regs[GT_PCI1_IACK] = 0x00000000;
|
| 1048 |
s->regs[GT_PCI0_IACK] = 0x00000000;
|
| 1049 |
s->regs[GT_PCI0_BARE] = 0x0000000f;
|
| 1050 |
s->regs[GT_PCI0_PREFMBR] = 0x00000040;
|
| 1051 |
s->regs[GT_PCI0_SCS10_BAR] = 0x00000000;
|
| 1052 |
s->regs[GT_PCI0_SCS32_BAR] = 0x01000000;
|
| 1053 |
s->regs[GT_PCI0_CS20_BAR] = 0x1c000000;
|
| 1054 |
s->regs[GT_PCI0_CS3BT_BAR] = 0x1f000000;
|
| 1055 |
s->regs[GT_PCI0_SSCS10_BAR] = 0x00000000;
|
| 1056 |
s->regs[GT_PCI0_SSCS32_BAR] = 0x01000000;
|
| 1057 |
s->regs[GT_PCI0_SCS3BT_BAR] = 0x1f000000;
|
| 1058 |
#ifdef TARGET_WORDS_BIGENDIAN
|
| 1059 |
s->regs[GT_PCI1_CMD] = 0x00000000;
|
| 1060 |
#else
|
| 1061 |
s->regs[GT_PCI1_CMD] = 0x00010001;
|
| 1062 |
#endif
|
| 1063 |
s->regs[GT_PCI1_TOR] = 0x0000070f;
|
| 1064 |
s->regs[GT_PCI1_BS_SCS10] = 0x00fff000;
|
| 1065 |
s->regs[GT_PCI1_BS_SCS32] = 0x00fff000;
|
| 1066 |
s->regs[GT_PCI1_BS_CS20] = 0x01fff000;
|
| 1067 |
s->regs[GT_PCI1_BS_CS3BT] = 0x00fff000;
|
| 1068 |
s->regs[GT_PCI1_BARE] = 0x0000000f;
|
| 1069 |
s->regs[GT_PCI1_PREFMBR] = 0x00000040;
|
| 1070 |
s->regs[GT_PCI1_SCS10_BAR] = 0x00000000;
|
| 1071 |
s->regs[GT_PCI1_SCS32_BAR] = 0x01000000;
|
| 1072 |
s->regs[GT_PCI1_CS20_BAR] = 0x1c000000;
|
| 1073 |
s->regs[GT_PCI1_CS3BT_BAR] = 0x1f000000;
|
| 1074 |
s->regs[GT_PCI1_SSCS10_BAR] = 0x00000000;
|
| 1075 |
s->regs[GT_PCI1_SSCS32_BAR] = 0x01000000;
|
| 1076 |
s->regs[GT_PCI1_SCS3BT_BAR] = 0x1f000000;
|
| 1077 |
s->regs[GT_PCI1_CFGADDR] = 0x00000000;
|
| 1078 |
s->regs[GT_PCI1_CFGDATA] = 0x00000000;
|
| 1079 |
s->regs[GT_PCI0_CFGADDR] = 0x00000000;
|
| 1080 |
|
| 1081 |
/* Interrupt registers are all zeroed at reset */
|
| 1082 |
|
| 1083 |
gt64120_isd_mapping(s); |
| 1084 |
gt64120_pci_mapping(s); |
| 1085 |
} |
| 1086 |
|
| 1087 |
static uint32_t gt64120_read_config(PCIDevice *d, uint32_t address, int len) |
| 1088 |
{
|
| 1089 |
return pci_default_read_config(d, address, len);
|
| 1090 |
} |
| 1091 |
|
| 1092 |
static void gt64120_write_config(PCIDevice *d, uint32_t address, uint32_t val, |
| 1093 |
int len)
|
| 1094 |
{
|
| 1095 |
pci_default_write_config(d, address, val, len); |
| 1096 |
} |
| 1097 |
|
| 1098 |
static void gt64120_save(QEMUFile* f, void *opaque) |
| 1099 |
{
|
| 1100 |
PCIDevice *d = opaque; |
| 1101 |
pci_device_save(d, f); |
| 1102 |
} |
| 1103 |
|
| 1104 |
static int gt64120_load(QEMUFile* f, void *opaque, int version_id) |
| 1105 |
{
|
| 1106 |
PCIDevice *d = opaque; |
| 1107 |
int ret;
|
| 1108 |
|
| 1109 |
if (version_id != 1) |
| 1110 |
return -EINVAL;
|
| 1111 |
ret = pci_device_load(d, f); |
| 1112 |
if (ret < 0) |
| 1113 |
return ret;
|
| 1114 |
return 0; |
| 1115 |
} |
| 1116 |
|
| 1117 |
PCIBus *pci_gt64120_init(qemu_irq *pic) |
| 1118 |
{
|
| 1119 |
GT64120State *s; |
| 1120 |
PCIDevice *d; |
| 1121 |
|
| 1122 |
(void)&pci_host_data_writeb; /* avoid warning */ |
| 1123 |
(void)&pci_host_data_writew; /* avoid warning */ |
| 1124 |
(void)&pci_host_data_writel; /* avoid warning */ |
| 1125 |
(void)&pci_host_data_readb; /* avoid warning */ |
| 1126 |
(void)&pci_host_data_readw; /* avoid warning */ |
| 1127 |
(void)&pci_host_data_readl; /* avoid warning */ |
| 1128 |
|
| 1129 |
s = qemu_mallocz(sizeof(GT64120State));
|
| 1130 |
s->pci = qemu_mallocz(sizeof(GT64120PCIState));
|
| 1131 |
|
| 1132 |
s->pci->bus = pci_register_bus(NULL, "pci", |
| 1133 |
pci_gt64120_set_irq, pci_gt64120_map_irq, |
| 1134 |
pic, 144, 4); |
| 1135 |
s->ISD_handle = cpu_register_io_memory(gt64120_read, gt64120_write, s); |
| 1136 |
d = pci_register_device(s->pci->bus, "GT64120 PCI Bus", sizeof(PCIDevice), |
| 1137 |
0, gt64120_read_config, gt64120_write_config);
|
| 1138 |
|
| 1139 |
/* FIXME: Malta specific hw assumptions ahead */
|
| 1140 |
|
| 1141 |
pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_MARVELL); |
| 1142 |
pci_config_set_device_id(d->config, PCI_DEVICE_ID_MARVELL_GT6412X); |
| 1143 |
|
| 1144 |
d->config[0x04] = 0x00; |
| 1145 |
d->config[0x05] = 0x00; |
| 1146 |
d->config[0x06] = 0x80; |
| 1147 |
d->config[0x07] = 0x02; |
| 1148 |
|
| 1149 |
d->config[0x08] = 0x10; |
| 1150 |
d->config[0x09] = 0x00; |
| 1151 |
pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST); |
| 1152 |
|
| 1153 |
d->config[0x10] = 0x08; |
| 1154 |
d->config[0x14] = 0x08; |
| 1155 |
d->config[0x17] = 0x01; |
| 1156 |
d->config[0x1B] = 0x1c; |
| 1157 |
d->config[0x1F] = 0x1f; |
| 1158 |
d->config[0x23] = 0x14; |
| 1159 |
d->config[0x24] = 0x01; |
| 1160 |
d->config[0x27] = 0x14; |
| 1161 |
d->config[0x3D] = 0x01; |
| 1162 |
|
| 1163 |
gt64120_reset(s); |
| 1164 |
|
| 1165 |
register_savevm("GT64120 PCI Bus", 0, 1, gt64120_save, gt64120_load, d); |
| 1166 |
|
| 1167 |
return s->pci->bus;
|
| 1168 |
} |