Use physical addresses at the interface level, letting drivers remap
them as appropriate.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/drivers/tc/zs.c b/drivers/tc/zs.c
index 0e302ae..c52af73 100644
--- a/drivers/tc/zs.c
+++ b/drivers/tc/zs.c
@@ -65,14 +65,14 @@
#include <asm/system.h>
#include <asm/uaccess.h>
#include <asm/bootinfo.h>
-#include <asm/dec/serial.h>
-#ifdef CONFIG_MACH_DECSTATION
#include <asm/dec/interrupts.h>
-#include <asm/dec/machtype.h>
-#include <asm/dec/tc.h>
#include <asm/dec/ioasic_addrs.h>
-#endif
+#include <asm/dec/machtype.h>
+#include <asm/dec/serial.h>
+#include <asm/dec/system.h>
+#include <asm/dec/tc.h>
+
#ifdef CONFIG_KGDB
#include <asm/kgdb.h>
#endif
@@ -1616,30 +1616,22 @@
return;
}
- /*
- * When serial console is activated, tc_init has not been called yet
- * and system_base is undefined. Unfortunately we have to hardcode
- * system_base for this case :-(. HK
- */
switch(mips_machtype) {
#ifdef CONFIG_MACH_DECSTATION
case MACH_DS5000_2X0:
case MACH_DS5900:
- system_base = CKSEG1ADDR(0x1f800000);
n_chips = 2;
zs_parms = &ds_parms;
zs_parms->irq0 = dec_interrupt[DEC_IRQ_SCC0];
zs_parms->irq1 = dec_interrupt[DEC_IRQ_SCC1];
break;
case MACH_DS5000_1XX:
- system_base = CKSEG1ADDR(0x1c000000);
n_chips = 2;
zs_parms = &ds_parms;
zs_parms->irq0 = dec_interrupt[DEC_IRQ_SCC0];
zs_parms->irq1 = dec_interrupt[DEC_IRQ_SCC1];
break;
case MACH_DS5000_XX:
- system_base = CKSEG1ADDR(0x1c000000);
n_chips = 1;
zs_parms = &ds_parms;
zs_parms->irq0 = dec_interrupt[DEC_IRQ_SCC0];
@@ -1661,10 +1653,10 @@
* The sccs reside on the high byte of the 16 bit IOBUS
*/
zs_channels[n_channels].control =
- (volatile unsigned char *)system_base +
+ (volatile void *)CKSEG1ADDR(dec_kn_slot_base +
(0 == chip ? zs_parms->scc0 : zs_parms->scc1) +
(0 == channel ? zs_parms->channel_a_offset :
- zs_parms->channel_b_offset);
+ zs_parms->channel_b_offset));
zs_channels[n_channels].data =
zs_channels[n_channels].control + 4;