From de45264c74e95e4659e0bc4bfa2a8418b12517a0 Mon Sep 17 00:00:00 2001
From: David van Moolenbroek <david@minix3.org>
Date: Wed, 7 Mar 2012 23:57:34 +0100
Subject: [PATCH] dp8390,ti1225: reenable register memory mapping

---
 drivers/dp8390/dp8390.c | 27 +++++----------------------
 drivers/ti1225/ti1225.c | 41 +++++++----------------------------------
 2 files changed, 12 insertions(+), 56 deletions(-)

diff --git a/drivers/dp8390/dp8390.c b/drivers/dp8390/dp8390.c
index e268b855f..4af3d7311 100644
--- a/drivers/dp8390/dp8390.c
+++ b/drivers/dp8390/dp8390.c
@@ -24,6 +24,7 @@
 #include <net/gen/ether.h>
 #include <net/gen/eth_io.h>
 #include <machine/vm.h>
+#include <sys/mman.h>
 #include "assert.h"
 
 #include "local.h"
@@ -1690,9 +1691,6 @@ dp_conf_t *dcp;
 static void map_hw_buffer(dep)
 dpeth_t *dep;
 {
-	int r;
-	size_t o, size;
-	char *buf, *abuf;
 
 	if (dep->de_prog_IO)
 	{
@@ -1704,25 +1702,10 @@ dpeth_t *dep;
 		return;
 	}
 
-	size = dep->de_ramsize + I386_PAGE_SIZE;	/* Add I386_PAGE_SIZE for
-						 * alignment
-						 */
-	buf= malloc(size);
-	if (buf == NULL)
-		panic("map_hw_buffer: cannot malloc size: %d", size);
-	o= I386_PAGE_SIZE - ((vir_bytes)buf % I386_PAGE_SIZE);
-	abuf= buf + o;
-	printf("buf at %p, abuf at %p\n", buf, abuf);
-
-#if 0
-	r= sys_vm_map(SELF, 1 /* map */, (vir_bytes)abuf,
-			dep->de_ramsize, (phys_bytes)dep->de_linmem);
-#else
-	r = ENOSYS;
-#endif
-	if (r != OK)
-		panic("map_hw_buffer: sys_vm_map failed: %d", r);
-	dep->de_locmem = abuf;
+	dep->de_locmem=
+		vm_map_phys(SELF, (void *) dep->de_linmem, dep->de_ramsize);
+	if (dep->de_locmem == MAP_FAILED)
+		panic("map_hw_buffer: vm_map_phys failed");
 }
 
 /*===========================================================================*
diff --git a/drivers/ti1225/ti1225.c b/drivers/ti1225/ti1225.c
index 5bcb7a126..a5529faa5 100644
--- a/drivers/ti1225/ti1225.c
+++ b/drivers/ti1225/ti1225.c
@@ -8,6 +8,7 @@ Created:	Dec 2005 by Philip Homburg
 #include <minix/driver.h>
 #include <machine/pci.h>
 #include <machine/vm.h>
+#include <sys/mman.h>
 
 #include "ti1225.h"
 #include "i82365.h"
@@ -27,10 +28,7 @@ PRIVATE struct port
 	int p_irq;
 	int p_hook;
 #endif
-	char *base_ptr;
 	volatile struct csr *csr_ptr;
-
-	char buffer[2*I386_PAGE_SIZE];
 } ports[NR_PORTS];
 
 #define PF_PRESENT	1
@@ -51,7 +49,6 @@ PRIVATE struct pcitab pcitab_ti[]=
 PRIVATE int debug;
 
 FORWARD _PROTOTYPE( void hw_init, (struct port *pp)			);
-FORWARD _PROTOTYPE( void map_regs, (struct port *pp, u32_t base)	);
 FORWARD _PROTOTYPE( void do_int, (struct port *pp)			);
 
 /* SEF functions and variables. */
@@ -197,8 +194,12 @@ PRIVATE void hw_init(struct port *pp)
 	v32= pci_attr_r32(devind, TI_CB_BASEADDR);
 	if (debug)
 		printf("ti1225: Cardbus/ExCA base address 0x%x\n", v32);
-	map_regs(pp, v32);
-	pp->csr_ptr= (struct csr *)pp->base_ptr;
+	v32 &= ~(u32_t)0xF;	/* Clear low order bits in base */
+
+	pp->csr_ptr=
+		(struct csr *) vm_map_phys(SELF, (void *) v32, I386_PAGE_SIZE);
+	if (pp->csr_ptr == MAP_FAILED)
+		panic("hw_init: vm_map_phys failed");
 
 	if (debug)
 	{
@@ -276,34 +277,6 @@ PRIVATE void hw_init(struct port *pp)
 #endif
 }
 
-PRIVATE void map_regs(struct port *pp, u32_t base)
-{
-	int r;
-	vir_bytes buf_base;
-
-	buf_base= (vir_bytes)pp->buffer;
-	if (buf_base % I386_PAGE_SIZE)
-		buf_base += I386_PAGE_SIZE-(buf_base % I386_PAGE_SIZE);
-	pp->base_ptr= (char *)buf_base;
-	if (debug)
-	{
-		printf("ti1225: map_regs: using %p for %p\n",
-			pp->base_ptr, pp->buffer);
-	}
-
-	/* Clear low order bits in base */
-	base &= ~(u32_t)0xF;
-
-#if 0
-	r= sys_vm_map(SELF, 1 /* map */, (vir_bytes)pp->base_ptr,
-		I386_PAGE_SIZE, (phys_bytes)base);
-#else
-	r = ENOSYS;
-#endif
-	if (r != OK)
-		panic("map_regs: sys_vm_map failed: %d", r);
-}
-
 PRIVATE void do_int(struct port *pp)
 {
 	int devind, vcc_5v, vcc_3v, vcc_Xv, vcc_Yv,