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pmac macio based ide support 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@952 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-06-21 16:48:36 +00:00
parent b0bda528c3
commit 1ade1de223
1 changed files with 139 additions and 0 deletions
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139
hw/ide.c
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@ -297,6 +297,7 @@ typedef struct IDEState {
int64_t nb_sectors;
int mult_sectors;
int irq;
openpic_t *openpic;
PCIDevice *pci_dev;
int drive_serial;
/* ide regs */
@ -464,6 +465,11 @@ static inline void ide_abort_command(IDEState *s)
static inline void ide_set_irq(IDEState *s)
{
if (!(s->cmd & IDE_CMD_DISABLE_IRQ)) {
#ifdef TARGET_PPC
if (s->openpic)
openpic_set_irq(s->openpic, s->irq, 1);
else
#endif
if (s->irq == 16)
pci_set_irq(s->pci_dev, 0, 1);
else
@ -1281,6 +1287,11 @@ static uint32_t ide_ioport_read(void *opaque, uint32_t addr1)
ret = 0;
else
ret = s->status;
#ifdef TARGET_PPC
if (s->openpic)
openpic_set_irq(s->openpic, s->irq, 0);
else
#endif
if (s->irq == 16)
pci_set_irq(s->pci_dev, 0, 0);
else
@ -1635,3 +1646,131 @@ void pci_piix3_ide_init(BlockDriverState **hd_table)
ide_init_ioport(&d->ide_if[0], 0x1f0, 0x3f6);
ide_init_ioport(&d->ide_if[2], 0x170, 0x376);
}
/***********************************************************/
/* MacIO based PowerPC IDE */
/* PowerMac IDE memory IO */
static void pmac_ide_writeb (void *opaque,
target_phys_addr_t addr, uint32_t val)
{
addr = (addr & 0xFFF) >> 4;
switch (addr) {
case 1 ... 7:
ide_ioport_write(opaque, addr, val);
break;
case 8:
case 22:
ide_cmd_write(opaque, 0, val);
break;
default:
break;
}
}
static uint32_t pmac_ide_readb (void *opaque,target_phys_addr_t addr)
{
uint8_t retval;
addr = (addr & 0xFFF) >> 4;
switch (addr) {
case 1 ... 7:
retval = ide_ioport_read(opaque, addr);
break;
case 8:
case 22:
retval = ide_status_read(opaque, 0);
break;
default:
retval = 0xFF;
break;
}
return retval;
}
static void pmac_ide_writew (void *opaque,
target_phys_addr_t addr, uint32_t val)
{
addr = (addr & 0xFFF) >> 4;
#ifdef TARGET_WORDS_BIGENDIAN
val = bswap16(val);
#endif
if (addr == 0) {
ide_data_writew(opaque, 0, val);
}
}
static uint32_t pmac_ide_readw (void *opaque,target_phys_addr_t addr)
{
uint16_t retval;
addr = (addr & 0xFFF) >> 4;
if (addr == 0) {
retval = ide_data_readw(opaque, 0);
} else {
retval = 0xFFFF;
}
#ifdef TARGET_WORDS_BIGENDIAN
retval = bswap16(retval);
#endif
return retval;
}
static void pmac_ide_writel (void *opaque,
target_phys_addr_t addr, uint32_t val)
{
addr = (addr & 0xFFF) >> 4;
#ifdef TARGET_WORDS_BIGENDIAN
val = bswap32(val);
#endif
if (addr == 0) {
ide_data_writel(opaque, 0, val);
}
}
static uint32_t pmac_ide_readl (void *opaque,target_phys_addr_t addr)
{
uint32_t retval;
addr = (addr & 0xFFF) >> 4;
if (addr == 0) {
retval = ide_data_readl(opaque, 0);
} else {
retval = 0xFFFFFFFF;
}
#ifdef TARGET_WORDS_BIGENDIAN
retval = bswap32(retval);
#endif
return retval;
}
static CPUWriteMemoryFunc *pmac_ide_write[] = {
pmac_ide_writeb,
pmac_ide_writew,
pmac_ide_writel,
};
static CPUReadMemoryFunc *pmac_ide_read[] = {
pmac_ide_readb,
pmac_ide_readw,
pmac_ide_readl,
};
/* hd_table must contain 4 block drivers */
/* PowerMac uses memory mapped registers, not I/O. Return the memory
I/O index to access the ide. */
int pmac_ide_init (BlockDriverState **hd_table,
openpic_t *openpic, int irq)
{
IDEState *ide_if;
int pmac_ide_memory;
ide_if = qemu_mallocz(sizeof(IDEState) * 2);
ide_init2(&ide_if[0], irq, hd_table[0], hd_table[1]);
ide_if[0].openpic = openpic;
ide_if[1].openpic = openpic;
pmac_ide_memory = cpu_register_io_memory(0, pmac_ide_read,
pmac_ide_write, &ide_if[0]);
return pmac_ide_memory;
}