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Add macros and chipset support for accessing device i/o memory on the alpha.

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This commit is contained in:
Doug Rabson 1998-07-22 08:25:39 +00:00
parent 515cfabc48
commit bb4752537d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=37831
2 changed files with 34 additions and 2 deletions
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19
sys/alpha/include/chipset.h
View File

@ -23,7 +23,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: chipset.h,v 1.1 1998/06/10 10:54:32 dfr Exp $
* $Id: chipset.h,v 1.2 1998/07/12 16:16:22 dfr Exp $
*/
#ifndef _MACHINE_CHIPSET_H_
@ -36,6 +36,13 @@ typedef void alpha_chipset_outb_t(u_int32_t port, u_int8_t data);
typedef void alpha_chipset_outw_t(u_int32_t port, u_int16_t data);
typedef void alpha_chipset_outl_t(u_int32_t port, u_int32_t data);
typedef u_int8_t alpha_chipset_readb_t(u_int32_t pa);
typedef u_int16_t alpha_chipset_readw_t(u_int32_t pa);
typedef u_int32_t alpha_chipset_readl_t(u_int32_t pa);
typedef void alpha_chipset_writeb_t(u_int32_t pa, u_int8_t data);
typedef void alpha_chipset_writew_t(u_int32_t pa, u_int16_t data);
typedef void alpha_chipset_writel_t(u_int32_t pa, u_int32_t data);
typedef int alpha_chipset_maxdevs_t(u_int bus);
typedef u_int8_t alpha_chipset_cfgreadb_t(u_int, u_int, u_int, u_int);
typedef u_int16_t alpha_chipset_cfgreadw_t(u_int, u_int, u_int, u_int);
@ -59,6 +66,16 @@ typedef struct alpha_chipset {
alpha_chipset_outw_t* outw;
alpha_chipset_outl_t* outl;
/*
* Memory access
*/
alpha_chipset_readb_t* readb;
alpha_chipset_readw_t* readw;
alpha_chipset_readl_t* readl;
alpha_chipset_writeb_t* writeb;
alpha_chipset_writew_t* writew;
alpha_chipset_writel_t* writel;
/*
* PCI configuration access
*/

17
sys/alpha/include/cpufunc.h
View File

@ -23,7 +23,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id$
* $Id: cpufunc.h,v 1.1 1998/06/10 10:54:51 dfr Exp $
*/
#ifndef _MACHINE_CPUFUNC_H_
@ -41,6 +41,21 @@
#define outw(port, data) chipset.outw(port, data)
#define outl(port, data) chipset.outl(port, data)
#define readb(pa) chipset.readb(pa)
#define readw(pa) chipset.readw(pa)
#define readl(pa) chipset.readl(pa)
#define writeb(pa,v) chipset.writeb(pa,v)
#define writew(pa,v) chipset.writew(pa,v)
#define writel(pa,v) chipset.writel(pa,v)
/*
* String version of IO memory access ops:
*/
extern void memcpy_fromio(void *, u_int32_t, size_t);
extern void memcpy_toio(u_int32_t, void *, size_t);
extern void memset_io(u_int32_t, int, size_t);
#endif /* KERNEL */
#endif /* !_MACHINE_CPUFUNC_H_ */