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fix a trivial warning when yabel with direct hw access is enabled. 

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5421 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Stefan Reinauer 2010-04-13 21:29:43 +00:00 committed by Stefan Reinauer
parent 1f10de6cab
commit 5ae1db0a9b
1 changed files with 46 additions and 46 deletions
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92
src/devices/oprom/yabel/io.c
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@ -24,52 +24,6 @@
#include <device/pci_ops.h> #include <device/pci_ops.h>
#endif #endif
static unsigned int
read_io(void *addr, size_t sz)
{
unsigned int ret;
/* since we are using inb instructions, we need the port number as 16bit value */
u16 port = (u16)(u32) addr;
switch (sz) {
case 1:
asm volatile ("inb %1, %b0" : "=a"(ret) : "d" (port));
break;
case 2:
asm volatile ("inw %1, %w0" : "=a"(ret) : "d" (port));
break;
case 4:
asm volatile ("inl %1, %0" : "=a"(ret) : "d" (port));
break;
default:
ret = 0;
}
return ret;
}
static int
write_io(void *addr, unsigned int value, size_t sz)
{
u16 port = (u16)(u32) addr;
switch (sz) {
/* since we are using inb instructions, we need the port number as 16bit value */
case 1:
asm volatile ("outb %b0, %1" : : "a"(value), "d" (port));
break;
case 2:
asm volatile ("outw %w0, %1" : : "a"(value), "d" (port));
break;
case 4:
asm volatile ("outl %0, %1" : : "a"(value), "d" (port));
break;
default:
return -1;
}
return 0;
}
#ifdef CONFIG_ARCH_X86 #ifdef CONFIG_ARCH_X86
#include <arch/io.h> #include <arch/io.h>
#else #else
@ -172,6 +126,52 @@ void my_outl(X86EMU_pioAddr addr, u32 val)
#else #else
static unsigned int
read_io(void *addr, size_t sz)
{
unsigned int ret;
/* since we are using inb instructions, we need the port number as 16bit value */
u16 port = (u16)(u32) addr;
switch (sz) {
case 1:
asm volatile ("inb %1, %b0" : "=a"(ret) : "d" (port));
break;
case 2:
asm volatile ("inw %1, %w0" : "=a"(ret) : "d" (port));
break;
case 4:
asm volatile ("inl %1, %0" : "=a"(ret) : "d" (port));
break;
default:
ret = 0;
}
return ret;
}
static int
write_io(void *addr, unsigned int value, size_t sz)
{
u16 port = (u16)(u32) addr;
switch (sz) {
/* since we are using inb instructions, we need the port number as 16bit value */
case 1:
asm volatile ("outb %b0, %1" : : "a"(value), "d" (port));
break;
case 2:
asm volatile ("outw %w0, %1" : : "a"(value), "d" (port));
break;
case 4:
asm volatile ("outl %0, %1" : : "a"(value), "d" (port));
break;
default:
return -1;
}
return 0;
}
u32 pci_cfg_read(X86EMU_pioAddr addr, u8 size); u32 pci_cfg_read(X86EMU_pioAddr addr, u8 size);
void pci_cfg_write(X86EMU_pioAddr addr, u32 val, u8 size); void pci_cfg_write(X86EMU_pioAddr addr, u32 val, u8 size);
u8 handle_port_61h(void); u8 handle_port_61h(void);