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qemu-e2k/hw/gt64xxx.c
ths 35f1de3192 Fix GT-64xxx PCI mapping, by Aurelien Jarno. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2471 c046a42c-6fe2-441c-8c8c-71466251a162
2007-03-06 20:31:09 +00:00

655 lines
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/*
* QEMU GT64120 PCI host
*
* Copyright (c) 2006,2007 Aurelien Jarno
*
* 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"
#define GT_REGS (0x1000 >> 2)
/* CPU Configuration */
#define GT_CPU (0x000 >> 2)
#define GT_MULTI (0x120 >> 2)
/* CPU Address Decode */
#define GT_SCS10LD (0x008 >> 2)
#define GT_SCS10HD (0x010 >> 2)
#define GT_SCS32LD (0x018 >> 2)
#define GT_SCS32HD (0x020 >> 2)
#define GT_CS20LD (0x028 >> 2)
#define GT_CS20HD (0x030 >> 2)
#define GT_CS3BOOTLD (0x038 >> 2)
#define GT_CS3BOOTHD (0x040 >> 2)
#define GT_PCI0IOLD (0x048 >> 2)
#define GT_PCI0IOHD (0x050 >> 2)
#define GT_PCI0M0LD (0x058 >> 2)
#define GT_PCI0M0HD (0x060 >> 2)
#define GT_ISD (0x068 >> 2)
#define GT_PCI0M1LD (0x080 >> 2)
#define GT_PCI0M1HD (0x088 >> 2)
#define GT_PCI1IOLD (0x090 >> 2)
#define GT_PCI1IOHD (0x098 >> 2)
#define GT_PCI1M0LD (0x0a0 >> 2)
#define GT_PCI1M0HD (0x0a8 >> 2)
#define GT_PCI1M1LD (0x0b0 >> 2)
#define GT_PCI1M1HD (0x0b8 >> 2)
#define GT_PCI1M1LD (0x0b0 >> 2)
#define GT_PCI1M1HD (0x0b8 >> 2)
#define GT_SCS10AR (0x0d0 >> 2)
#define GT_SCS32AR (0x0d8 >> 2)
#define GT_CS20R (0x0e0 >> 2)
#define GT_CS3BOOTR (0x0e8 >> 2)
#define GT_PCI0IOREMAP (0x0f0 >> 2)
#define GT_PCI0M0REMAP (0x0f8 >> 2)
#define GT_PCI0M1REMAP (0x100 >> 2)
#define GT_PCI1IOREMAP (0x108 >> 2)
#define GT_PCI1M0REMAP (0x110 >> 2)
#define GT_PCI1M1REMAP (0x118 >> 2)
/* CPU Error Report */
#define GT_CPUERR_ADDRLO (0x070 >> 2)
#define GT_CPUERR_ADDRHI (0x078 >> 2)
#define GT_CPUERR_DATALO (0x128 >> 2) /* GT-64120A only */
#define GT_CPUERR_DATAHI (0x130 >> 2) /* GT-64120A only */
#define GT_CPUERR_PARITY (0x138 >> 2) /* GT-64120A only */
/* CPU Sync Barrier */
#define GT_PCI0SYNC (0x0c0 >> 2)
#define GT_PCI1SYNC (0x0c8 >> 2)
/* SDRAM and Device Address Decode */
#define GT_SCS0LD (0x400 >> 2)
#define GT_SCS0HD (0x404 >> 2)
#define GT_SCS1LD (0x408 >> 2)
#define GT_SCS1HD (0x40c >> 2)
#define GT_SCS2LD (0x410 >> 2)
#define GT_SCS2HD (0x414 >> 2)
#define GT_SCS3LD (0x418 >> 2)
#define GT_SCS3HD (0x41c >> 2)
#define GT_CS0LD (0x420 >> 2)
#define GT_CS0HD (0x424 >> 2)
#define GT_CS1LD (0x428 >> 2)
#define GT_CS1HD (0x42c >> 2)
#define GT_CS2LD (0x430 >> 2)
#define GT_CS2HD (0x434 >> 2)
#define GT_CS3LD (0x438 >> 2)
#define GT_CS3HD (0x43c >> 2)
#define GT_BOOTLD (0x440 >> 2)
#define GT_BOOTHD (0x444 >> 2)
#define GT_ADERR (0x470 >> 2)
/* SDRAM Configuration */
#define GT_SDRAM_CFG (0x448 >> 2)
#define GT_SDRAM_OPMODE (0x474 >> 2)
#define GT_SDRAM_BM (0x478 >> 2)
#define GT_SDRAM_ADDRDECODE (0x47c >> 2)
/* SDRAM Parameters */
#define GT_SDRAM_B0 (0x44c >> 2)
#define GT_SDRAM_B1 (0x450 >> 2)
#define GT_SDRAM_B2 (0x454 >> 2)
#define GT_SDRAM_B3 (0x458 >> 2)
/* Device Parameters */
#define GT_DEV_B0 (0x45c >> 2)
#define GT_DEV_B1 (0x460 >> 2)
#define GT_DEV_B2 (0x464 >> 2)
#define GT_DEV_B3 (0x468 >> 2)
#define GT_DEV_BOOT (0x46c >> 2)
/* ECC */
#define GT_ECC_ERRDATALO (0x480 >> 2) /* GT-64120A only */
#define GT_ECC_ERRDATAHI (0x484 >> 2) /* GT-64120A only */
#define GT_ECC_MEM (0x488 >> 2) /* GT-64120A only */
#define GT_ECC_CALC (0x48c >> 2) /* GT-64120A only */
#define GT_ECC_ERRADDR (0x490 >> 2) /* GT-64120A only */
/* DMA Record */
#define GT_DMA0_CNT (0x800 >> 2)
#define GT_DMA1_CNT (0x804 >> 2)
#define GT_DMA2_CNT (0x808 >> 2)
#define GT_DMA3_CNT (0x80c >> 2)
#define GT_DMA0_SA (0x810 >> 2)
#define GT_DMA1_SA (0x814 >> 2)
#define GT_DMA2_SA (0x818 >> 2)
#define GT_DMA3_SA (0x81c >> 2)
#define GT_DMA0_DA (0x820 >> 2)
#define GT_DMA1_DA (0x824 >> 2)
#define GT_DMA2_DA (0x828 >> 2)
#define GT_DMA3_DA (0x82c >> 2)
#define GT_DMA0_NEXT (0x830 >> 2)
#define GT_DMA1_NEXT (0x834 >> 2)
#define GT_DMA2_NEXT (0x838 >> 2)
#define GT_DMA3_NEXT (0x83c >> 2)
#define GT_DMA0_CUR (0x870 >> 2)
#define GT_DMA1_CUR (0x874 >> 2)
#define GT_DMA2_CUR (0x878 >> 2)
#define GT_DMA3_CUR (0x87c >> 2)
/* DMA Channel Control */
#define GT_DMA0_CTRL (0x840 >> 2)
#define GT_DMA1_CTRL (0x844 >> 2)
#define GT_DMA2_CTRL (0x848 >> 2)
#define GT_DMA3_CTRL (0x84c >> 2)
/* DMA Arbiter */
#define GT_DMA_ARB (0x860 >> 2)
/* Timer/Counter */
#define GT_TC0 (0x850 >> 2)
#define GT_TC1 (0x854 >> 2)
#define GT_TC2 (0x858 >> 2)
#define GT_TC3 (0x85c >> 2)
#define GT_TC_CONTROL (0x864 >> 2)
/* PCI Internal */
#define GT_PCI0_CMD (0xc00 >> 2)
#define GT_PCI0_TOR (0xc04 >> 2)
#define GT_PCI0_BS_SCS10 (0xc08 >> 2)
#define GT_PCI0_BS_SCS32 (0xc0c >> 2)
#define GT_PCI0_BS_CS20 (0xc10 >> 2)
#define GT_PCI0_BS_CS3BT (0xc14 >> 2)
#define GT_PCI1_IACK (0xc30 >> 2)
#define GT_PCI0_IACK (0xc34 >> 2)
#define GT_PCI0_BARE (0xc3c >> 2)
#define GT_PCI0_PREFMBR (0xc40 >> 2)
#define GT_PCI0_SCS10_BAR (0xc48 >> 2)
#define GT_PCI0_SCS32_BAR (0xc4c >> 2)
#define GT_PCI0_CS20_BAR (0xc50 >> 2)
#define GT_PCI0_CS3BT_BAR (0xc54 >> 2)
#define GT_PCI0_SSCS10_BAR (0xc58 >> 2)
#define GT_PCI0_SSCS32_BAR (0xc5c >> 2)
#define GT_PCI0_SCS3BT_BAR (0xc64 >> 2)
#define GT_PCI1_CMD (0xc80 >> 2)
#define GT_PCI1_TOR (0xc84 >> 2)
#define GT_PCI1_BS_SCS10 (0xc88 >> 2)
#define GT_PCI1_BS_SCS32 (0xc8c >> 2)
#define GT_PCI1_BS_CS20 (0xc90 >> 2)
#define GT_PCI1_BS_CS3BT (0xc94 >> 2)
#define GT_PCI1_BARE (0xcbc >> 2)
#define GT_PCI1_PREFMBR (0xcc0 >> 2)
#define GT_PCI1_SCS10_BAR (0xcc8 >> 2)
#define GT_PCI1_SCS32_BAR (0xccc >> 2)
#define GT_PCI1_CS20_BAR (0xcd0 >> 2)
#define GT_PCI1_CS3BT_BAR (0xcd4 >> 2)
#define GT_PCI1_SSCS10_BAR (0xcd8 >> 2)
#define GT_PCI1_SSCS32_BAR (0xcdc >> 2)
#define GT_PCI1_SCS3BT_BAR (0xce4 >> 2)
#define GT_PCI1_CFGADDR (0xcf0 >> 2)
#define GT_PCI1_CFGDATA (0xcf4 >> 2)
#define GT_PCI0_CFGADDR (0xcf8 >> 2)
#define GT_PCI0_CFGDATA (0xcfc >> 2)
/* Interrupts */
#define GT_INTRCAUSE (0xc18 >> 2)
#define GT_INTRMASK (0xc1c >> 2)
#define GT_PCI0_ICMASK (0xc24 >> 2)
#define GT_PCI0_SERR0MASK (0xc28 >> 2)
#define GT_CPU_INTSEL (0xc70 >> 2)
#define GT_PCI0_INTSEL (0xc74 >> 2)
#define GT_HINTRCAUSE (0xc98 >> 2)
#define GT_HINTRMASK (0xc9c >> 2)
#define GT_PCI0_HICMASK (0xca4 >> 2)
#define GT_PCI1_SERR1MASK (0xca8 >> 2)
typedef PCIHostState GT64120PCIState;
typedef struct GT64120State {
GT64120PCIState *pci;
uint32_t regs[GT_REGS];
target_phys_addr_t PCI0IO_start;
target_phys_addr_t PCI0IO_length;
} GT64120State;
static void gt64120_pci_mapping(GT64120State *s)
{
/* Update IO mapping */
if ((s->regs[GT_PCI0IOLD] & 0x7f) <= s->regs[GT_PCI0IOHD])
{
/* Unmap old IO address */
if (s->PCI0IO_length)
{
cpu_register_physical_memory(s->PCI0IO_start, s->PCI0IO_length, IO_MEM_UNASSIGNED);
}
/* Map new IO address */
s->PCI0IO_start = s->regs[GT_PCI0IOLD] << 21;
s->PCI0IO_length = ((s->regs[GT_PCI0IOHD] + 1) - (s->regs[GT_PCI0IOLD] & 0x7f)) << 21;
isa_mmio_init(s->PCI0IO_start, s->PCI0IO_length);
}
}
static void gt64120_writel (void *opaque, target_phys_addr_t addr,
uint32_t val)
{
GT64120State *s = opaque;
uint32_t saddr;
#ifdef TARGET_WORDS_BIGENDIAN
val = bswap32(val);
#endif
saddr = (addr & 0xfff) >> 2;
switch (saddr) {
/* CPU Configuration */
case GT_CPU:
s->regs[GT_CPU] = val;
break;
case GT_MULTI:
/* Read-only register as only one GT64xxx is present on the CPU bus */
break;
/* CPU Address Decode */
case GT_PCI0IOLD:
s->regs[GT_PCI0IOLD] = val & 0x00007fff;
s->regs[GT_PCI0IOREMAP] = val & 0x000007ff;
gt64120_pci_mapping(s);
break;
case GT_PCI0M0LD:
s->regs[GT_PCI0M0LD] = val & 0x00007fff;
s->regs[GT_PCI0M0REMAP] = val & 0x000007ff;
gt64120_pci_mapping(s);
break;
case GT_PCI0M1LD:
s->regs[GT_PCI0M1LD] = val & 0x00007fff;
s->regs[GT_PCI0M1REMAP] = val & 0x000007ff;
gt64120_pci_mapping(s);
break;
case GT_PCI1IOLD:
s->regs[GT_PCI1IOLD] = val & 0x00007fff;
s->regs[GT_PCI1IOREMAP] = val & 0x000007ff;
gt64120_pci_mapping(s);
break;
case GT_PCI1M0LD:
s->regs[GT_PCI1M0LD] = val & 0x00007fff;
s->regs[GT_PCI1M0REMAP] = val & 0x000007ff;
gt64120_pci_mapping(s);
break;
case GT_PCI1M1LD:
s->regs[GT_PCI1M1LD] = val & 0x00007fff;
s->regs[GT_PCI1M1REMAP] = val & 0x000007ff;
gt64120_pci_mapping(s);
break;
case GT_PCI0IOHD:
case GT_PCI0M0HD:
case GT_PCI0M1HD:
case GT_PCI1IOHD:
case GT_PCI1M0HD:
case GT_PCI1M1HD:
s->regs[saddr] = val & 0x0000007f;
gt64120_pci_mapping(s);
break;
case GT_PCI0IOREMAP:
case GT_PCI0M0REMAP:
case GT_PCI0M1REMAP:
case GT_PCI1IOREMAP:
case GT_PCI1M0REMAP:
case GT_PCI1M1REMAP:
s->regs[saddr] = val & 0x000007ff;
gt64120_pci_mapping(s);
break;
/* CPU Error Report */
case GT_CPUERR_ADDRLO:
case GT_CPUERR_ADDRHI:
case GT_CPUERR_DATALO:
case GT_CPUERR_DATAHI:
case GT_CPUERR_PARITY:
/* Read-only registers, do nothing */
break;
/* CPU Sync Barrier */
case GT_PCI0SYNC:
case GT_PCI1SYNC:
/* Read-only registers, do nothing */
break;
/* ECC */
case GT_ECC_ERRDATALO:
case GT_ECC_ERRDATAHI:
case GT_ECC_MEM:
case GT_ECC_CALC:
case GT_ECC_ERRADDR:
/* Read-only registers, do nothing */
break;
/* PCI Internal */
case GT_PCI0_CMD:
case GT_PCI1_CMD:
s->regs[saddr] = val & 0x0401fc0f;
break;
case GT_PCI0_CFGADDR:
s->pci->config_reg = val & 0x80fffffc;
break;
case GT_PCI0_CFGDATA:
pci_host_data_writel(s->pci, 0, val);
break;
/* SDRAM Parameters */
case GT_SDRAM_B0:
case GT_SDRAM_B1:
case GT_SDRAM_B2:
case GT_SDRAM_B3:
/* We don't simulate electrical parameters of the SDRAM.
Accept, but ignore the values. */
s->regs[saddr] = val;
break;
default:
#if 0
printf ("gt64120_writel: Bad register offset 0x%x\n", (int)addr);
#endif
break;
}
}
static uint32_t gt64120_readl (void *opaque,
target_phys_addr_t addr)
{
GT64120State *s = opaque;
uint32_t val;
uint32_t saddr;
val = 0;
saddr = (addr & 0xfff) >> 2;
switch (saddr) {
/* CPU Configuration */
case GT_MULTI:
/* Only one GT64xxx is present on the CPU bus, return
the initial value */
val = s->regs[saddr];
break;
/* CPU Error Report */
case GT_CPUERR_ADDRLO:
case GT_CPUERR_ADDRHI:
case GT_CPUERR_DATALO:
case GT_CPUERR_DATAHI:
case GT_CPUERR_PARITY:
/* Emulated memory has no error, always return the initial
values */
val = s->regs[saddr];
break;
/* CPU Sync Barrier */
case GT_PCI0SYNC:
case GT_PCI1SYNC:
/* Reading those register should empty all FIFO on the PCI
bus, which are not emulated. The return value should be
a random value that should be ignored. */
val = 0xc000ffee;
break;
/* ECC */
case GT_ECC_ERRDATALO:
case GT_ECC_ERRDATAHI:
case GT_ECC_MEM:
case GT_ECC_CALC:
case GT_ECC_ERRADDR:
/* Emulated memory has no error, always return the initial
values */
val = s->regs[saddr];
break;
case GT_CPU:
case GT_PCI0IOLD:
case GT_PCI0M0LD:
case GT_PCI0M1LD:
case GT_PCI1IOLD:
case GT_PCI1M0LD:
case GT_PCI1M1LD:
case GT_PCI0IOHD:
case GT_PCI0M0HD:
case GT_PCI0M1HD:
case GT_PCI1IOHD:
case GT_PCI1M0HD:
case GT_PCI1M1HD:
case GT_PCI0_CMD:
case GT_PCI1_CMD:
case GT_PCI0IOREMAP:
case GT_PCI0M0REMAP:
case GT_PCI0M1REMAP:
case GT_PCI1IOREMAP:
case GT_PCI1M0REMAP:
case GT_PCI1M1REMAP:
val = s->regs[saddr];
break;
case GT_PCI0_IACK:
/* Read the IRQ number */
val = pic_read_irq(isa_pic);
break;
/* SDRAM Parameters */
case GT_SDRAM_B0:
case GT_SDRAM_B1:
case GT_SDRAM_B2:
case GT_SDRAM_B3:
/* We don't simulate electrical parameters of the SDRAM.
Just return the last written value. */
val = s->regs[saddr];
break;
/* PCI Internal */
case GT_PCI0_CFGADDR:
val = s->pci->config_reg;
break;
case GT_PCI0_CFGDATA:
val = pci_host_data_readl(s->pci, 0);
break;
default:
val = s->regs[saddr];
#if 0
printf ("gt64120_readl: Bad register offset 0x%x\n", (int)addr);
#endif
break;
}
#ifdef TARGET_WORDS_BIGENDIAN
return bswap32(val);
#else
return val;
#endif
}
static CPUWriteMemoryFunc *gt64120_write[] = {
&gt64120_writel,
&gt64120_writel,
&gt64120_writel,
};
static CPUReadMemoryFunc *gt64120_read[] = {
&gt64120_readl,
&gt64120_readl,
&gt64120_readl,
};
static int pci_gt64120_map_irq(PCIDevice *pci_dev, int irq_num)
{
int slot;
slot = (pci_dev->devfn >> 3);
switch (slot) {
/* PIIX4 USB */
case 10:
return 3;
/* AMD 79C973 Ethernet */
case 11:
return 0;
/* Crystal 4281 Sound */
case 12:
return 0;
/* PCI slot 1 to 4 */
case 18 ... 21:
return ((slot - 18) + irq_num) & 0x03;
/* Unknown device, don't do any translation */
default:
return irq_num;
}
}
extern PCIDevice *piix4_dev;
static int pci_irq_levels[4];
static void pci_gt64120_set_irq(void *pic, int irq_num, int level)
{
int i, pic_irq, pic_level;
pci_irq_levels[irq_num] = level;
/* now we change the pic irq level according to the piix irq mappings */
/* XXX: optimize */
pic_irq = piix4_dev->config[0x60 + irq_num];
if (pic_irq < 16) {
/* The pic level is the logical OR of all the PCI irqs mapped
to it */
pic_level = 0;
for (i = 0; i < 4; i++) {
if (pic_irq == piix4_dev->config[0x60 + i])
pic_level |= pci_irq_levels[i];
}
pic_set_irq(pic_irq, pic_level);
}
}
void gt64120_reset(void *opaque)
{
GT64120State *s = opaque;
/* CPU Configuration */
#ifdef TARGET_WORDS_BIGENDIAN
s->regs[GT_CPU] = 0x00000000;
#else
s->regs[GT_CPU] = 0x00000800;
#endif
s->regs[GT_MULTI] = 0x00000000;
/* CPU Address decode FIXME: not complete*/
s->regs[GT_PCI0IOLD] = 0x00000080;
s->regs[GT_PCI0IOHD] = 0x0000000f;
s->regs[GT_PCI0M0LD] = 0x00000090;
s->regs[GT_PCI0M0HD] = 0x0000001f;
s->regs[GT_PCI0M1LD] = 0x00000790;
s->regs[GT_PCI0M1HD] = 0x0000001f;
s->regs[GT_PCI1IOLD] = 0x00000100;
s->regs[GT_PCI1IOHD] = 0x0000000f;
s->regs[GT_PCI1M0LD] = 0x00000110;
s->regs[GT_PCI1M0HD] = 0x0000001f;
s->regs[GT_PCI1M1LD] = 0x00000120;
s->regs[GT_PCI1M1HD] = 0x0000002f;
s->regs[GT_PCI0IOREMAP] = 0x00000080;
s->regs[GT_PCI0M0REMAP] = 0x00000090;
s->regs[GT_PCI0M1REMAP] = 0x00000790;
s->regs[GT_PCI1IOREMAP] = 0x00000100;
s->regs[GT_PCI1M0REMAP] = 0x00000110;
s->regs[GT_PCI1M1REMAP] = 0x00000120;
/* CPU Error Report */
s->regs[GT_CPUERR_ADDRLO] = 0x00000000;
s->regs[GT_CPUERR_ADDRHI] = 0x00000000;
s->regs[GT_CPUERR_DATALO] = 0xffffffff;
s->regs[GT_CPUERR_DATAHI] = 0xffffffff;
s->regs[GT_CPUERR_PARITY] = 0x000000ff;
/* ECC */
s->regs[GT_ECC_ERRDATALO] = 0x00000000;
s->regs[GT_ECC_ERRDATAHI] = 0x00000000;
s->regs[GT_ECC_MEM] = 0x00000000;
s->regs[GT_ECC_CALC] = 0x00000000;
s->regs[GT_ECC_ERRADDR] = 0x00000000;
/* SDRAM Parameters */
s->regs[GT_SDRAM_B0] = 0x00000005;
s->regs[GT_SDRAM_B1] = 0x00000005;
s->regs[GT_SDRAM_B2] = 0x00000005;
s->regs[GT_SDRAM_B3] = 0x00000005;
/* PCI Internal FIXME: not complete*/
#ifdef TARGET_WORDS_BIGENDIAN
s->regs[GT_PCI0_CMD] = 0x00000000;
s->regs[GT_PCI1_CMD] = 0x00000000;
#else
s->regs[GT_PCI0_CMD] = 0x00010001;
s->regs[GT_PCI1_CMD] = 0x00010001;
#endif
s->regs[GT_PCI0_IACK] = 0x00000000;
s->regs[GT_PCI1_IACK] = 0x00000000;
gt64120_pci_mapping(s);
}
PCIBus *pci_gt64120_init(void *pic)
{
GT64120State *s;
PCIDevice *d;
int gt64120;
s = qemu_mallocz(sizeof(GT64120State));
s->pci = qemu_mallocz(sizeof(GT64120PCIState));
gt64120_reset(s);
s->pci->bus = pci_register_bus(pci_gt64120_set_irq, pci_gt64120_map_irq,
pic, 144, 4);
gt64120 = cpu_register_io_memory(0, gt64120_read,
gt64120_write, s);
cpu_register_physical_memory(0x1be00000LL, 0x1000, gt64120);
d = pci_register_device(s->pci->bus, "GT64120 PCI Bus", sizeof(PCIDevice),
0, NULL, NULL);
d->config[0x00] = 0xab; // vendor_id
d->config[0x01] = 0x11;
d->config[0x02] = 0x46; // device_id
d->config[0x03] = 0x20;
d->config[0x04] = 0x06;
d->config[0x05] = 0x00;
d->config[0x06] = 0x80;
d->config[0x07] = 0xa2;
d->config[0x08] = 0x10;
d->config[0x09] = 0x00;
d->config[0x0A] = 0x80;
d->config[0x0B] = 0x05;
d->config[0x0C] = 0x08;
d->config[0x0D] = 0x40;
d->config[0x0E] = 0x00;
d->config[0x0F] = 0x00;
d->config[0x17] = 0x08;
d->config[0x1B] = 0x1c;
d->config[0x1F] = 0x1f;
d->config[0x23] = 0x14;
d->config[0x27] = 0x14;
d->config[0x3D] = 0x01;
return s->pci->bus;
}
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