Virtualization/openbios
1
0
Fork 0
mirror of https://gitlab.com/qemu-project/openbios.git synced 2024-02-13 08:34:06 +08:00
Code Issues Projects Releases Wiki Activity

ide: improve support of MMIO ide controller

Browse Source 
git-svn-id: svn://coreboot.org/openbios/openbios-devel@409 f158a5a8-5612-0410-a976-696ce0be7e32
This commit is contained in:
Laurent Vivier
2009-01-15 02:17:00 +00:00
parent 60c755b54f
commit 00ed6db419
2 changed files with 25 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
drivers/ide.c
View File

@@ -89,27 +89,29 @@ static void dump_drive(struct ide_drive *drive)
* old style io port operations
*/
static unsigned char
ob_ide_inb(unsigned long port)
ob_ide_inb(struct ide_channel *chan, unsigned int port)
{
return inb(port);
return inb(chan->io_regs[port]);
}
static void
ob_ide_outb(unsigned char data, unsigned long port)
ob_ide_outb(struct ide_channel *chan, unsigned char data, unsigned int port)
{
outb(data, port);
outb(data, chan->io_regs[port]);
}
static void
ob_ide_insw(unsigned long port, unsigned char *addr, unsigned int count)
ob_ide_insw(struct ide_channel *chan,
unsigned int port, unsigned char *addr, unsigned int count)
{
insw(port, addr, count);
insw(chan->io_regs[port], addr, count);
}
static void
ob_ide_outsw(unsigned long port, unsigned char *addr, unsigned int count)
ob_ide_outsw(struct ide_channel *chan,
unsigned int port, unsigned char *addr, unsigned int count)
{
outsw(port, addr, count);
outsw(chan->io_regs[port], addr, count);
}
static inline unsigned char
@@ -117,7 +119,7 @@ ob_ide_pio_readb(struct ide_drive *drive, unsigned int offset)
{
struct ide_channel *chan = drive->channel;
return chan->obide_inb(chan->io_regs[offset]);
return chan->obide_inb(chan, offset);
}
static inline void
@@ -126,7 +128,7 @@ ob_ide_pio_writeb(struct ide_drive *drive, unsigned int offset,
{
struct ide_channel *chan = drive->channel;
chan->obide_outb(data, chan->io_regs[offset]);
chan->obide_outb(chan, data, offset);
}
static inline void
@@ -140,7 +142,7 @@ ob_ide_pio_insw(struct ide_drive *drive, unsigned int offset,
return;
}
chan->obide_insw(chan->io_regs[offset], addr, len / 2);
chan->obide_insw(chan, offset, addr, len / 2);
}
static inline void
@@ -154,7 +156,7 @@ ob_ide_pio_outsw(struct ide_drive *drive, unsigned int offset,
return;
}
chan->obide_outsw(chan->io_regs[offset], addr, len / 2);
chan->obide_outsw(chan, offset, addr, len / 2);
}
static void

16
drivers/ide.h
View File

@@ -169,16 +169,22 @@ struct ide_channel {
/*
* either mmio or io_regs is set to indicate mmio or not
*/
int mmio;
unsigned long mmio;
int io_regs[10];
/*
* can be set to a mmio hook, default it legacy outb/inb
*/
void (*obide_outb)(unsigned char addr, unsigned long port);
unsigned char (*obide_inb)(unsigned long port);
void (*obide_insw)(unsigned long port, unsigned char *addr, unsigned int count);
void (*obide_outsw)(unsigned long port, unsigned char *addr, unsigned int count);
void (*obide_outb)(struct ide_channel *chan,
unsigned char addr, unsigned int port);
unsigned char (*obide_inb)(struct ide_channel *chan,
unsigned int port);
void (*obide_insw)(struct ide_channel *chan,
unsigned int port, unsigned char *addr,
unsigned int count);
void (*obide_outsw)(struct ide_channel *chan,
unsigned int port, unsigned char *addr,
unsigned int count);
struct ide_drive drives[2];
char selected;