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authorMaciej W. Rozycki <macro@linux-mips.org>2005-07-01 16:10:40 +0000
committerRalf Baechle <ralf@linux-mips.org>2005-10-29 19:31:35 +0100
commita5fc9c0bbee8b91025993a49a9176a88380aef3c (patch)
treee68ee45e852028ddde712abb18531777dba6e468
parent7d7ee221213609319401d1b9d6dc4bf22ab928ea (diff)
downloadlinux-a5fc9c0bbee8b91025993a49a9176a88380aef3c.tar.bz2
Use physical addresses at the interface level, letting drivers remap
them as appropriate. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
-rw-r--r--arch/mips/dec/ecc-berr.c14
-rw-r--r--arch/mips/dec/int-handler.S18
-rw-r--r--arch/mips/dec/kn01-berr.c9
-rw-r--r--arch/mips/dec/kn02-irq.c9
-rw-r--r--arch/mips/dec/kn02xa-berr.c11
-rw-r--r--arch/mips/dec/prom/identify.c28
-rw-r--r--arch/mips/dec/setup.c16
-rw-r--r--drivers/tc/tc.c80
-rw-r--r--drivers/tc/zs.c20
-rw-r--r--include/asm-mips/dec/ioasic_addrs.h3
-rw-r--r--include/asm-mips/dec/kn01.h14
-rw-r--r--include/asm-mips/dec/kn02.h14
-rw-r--r--include/asm-mips/dec/kn02xa.h22
-rw-r--r--include/asm-mips/dec/kn03.h13
-rw-r--r--include/asm-mips/dec/kn05.h3
-rw-r--r--include/asm-mips/dec/system.h18
-rw-r--r--include/asm-mips/dec/tc.h10
-rw-r--r--include/asm-mips/mach-dec/mc146818rtc.h11
18 files changed, 149 insertions, 164 deletions
diff --git a/arch/mips/dec/ecc-berr.c b/arch/mips/dec/ecc-berr.c
index 8f3498aa43ab..cc24c5ed0c05 100644
--- a/arch/mips/dec/ecc-berr.c
+++ b/arch/mips/dec/ecc-berr.c
@@ -227,11 +227,11 @@ irqreturn_t dec_ecc_be_interrupt(int irq, void *dev_id, struct pt_regs *regs)
*/
static inline void dec_kn02_be_init(void)
{
- volatile u32 *csr = (void *)KN02_CSR_BASE;
+ volatile u32 *csr = (void *)CKSEG1ADDR(KN02_SLOT_BASE + KN02_CSR);
unsigned long flags;
- kn0x_erraddr = (void *)(KN02_SLOT_BASE + KN02_ERRADDR);
- kn0x_chksyn = (void *)(KN02_SLOT_BASE + KN02_CHKSYN);
+ kn0x_erraddr = (void *)CKSEG1ADDR(KN02_SLOT_BASE + KN02_ERRADDR);
+ kn0x_chksyn = (void *)CKSEG1ADDR(KN02_SLOT_BASE + KN02_CHKSYN);
spin_lock_irqsave(&kn02_lock, flags);
@@ -250,11 +250,11 @@ static inline void dec_kn02_be_init(void)
static inline void dec_kn03_be_init(void)
{
- volatile u32 *mcr = (void *)(KN03_SLOT_BASE + IOASIC_MCR);
- volatile u32 *mbcs = (void *)(KN4K_SLOT_BASE + KN4K_MB_CSR);
+ volatile u32 *mcr = (void *)CKSEG1ADDR(KN03_SLOT_BASE + IOASIC_MCR);
+ volatile u32 *mbcs = (void *)CKSEG1ADDR(KN4K_SLOT_BASE + KN4K_MB_CSR);
- kn0x_erraddr = (void *)(KN03_SLOT_BASE + IOASIC_ERRADDR);
- kn0x_chksyn = (void *)(KN03_SLOT_BASE + IOASIC_CHKSYN);
+ kn0x_erraddr = (void *)CKSEG1ADDR(KN03_SLOT_BASE + IOASIC_ERRADDR);
+ kn0x_chksyn = (void *)CKSEG1ADDR(KN03_SLOT_BASE + IOASIC_CHKSYN);
/*
* Set normal ECC detection and generation, enable ECC correction.
diff --git a/arch/mips/dec/int-handler.S b/arch/mips/dec/int-handler.S
index c89768d5c4e5..41fa372007bf 100644
--- a/arch/mips/dec/int-handler.S
+++ b/arch/mips/dec/int-handler.S
@@ -2,9 +2,9 @@
* arch/mips/dec/int-handler.S
*
* Copyright (C) 1995, 1996, 1997 Paul M. Antoine and Harald Koerfgen
- * Copyright (C) 2000, 2001, 2002, 2003 Maciej W. Rozycki
+ * Copyright (C) 2000, 2001, 2002, 2003, 2005 Maciej W. Rozycki
*
- * Written by Ralf Baechle and Andreas Busse, modified for DECStation
+ * Written by Ralf Baechle and Andreas Busse, modified for DECstation
* support by Paul Antoine and Harald Koerfgen.
*
* completly rewritten:
@@ -14,11 +14,12 @@
* by Maciej W. Rozycki.
*/
#include <linux/config.h>
+
+#include <asm/addrspace.h>
#include <asm/asm.h>
-#include <asm/regdef.h>
#include <asm/mipsregs.h>
+#include <asm/regdef.h>
#include <asm/stackframe.h>
-#include <asm/addrspace.h>
#include <asm/dec/interrupts.h>
#include <asm/dec/ioasic_addrs.h>
@@ -28,11 +29,14 @@
#include <asm/dec/kn02xa.h>
#include <asm/dec/kn03.h>
+#define KN02_CSR_BASE CKSEG1ADDR(KN02_SLOT_BASE + KN02_CSR)
+#define KN02XA_IOASIC_BASE CKSEG1ADDR(KN02XA_SLOT_BASE + IOASIC_IOCTL)
+#define KN03_IOASIC_BASE CKSEG1ADDR(KN03_SLOT_BASE + IOASIC_IOCTL)
.text
.set noreorder
/*
- * decstation_handle_int: Interrupt handler for DECStations
+ * decstation_handle_int: Interrupt handler for DECstations
*
* We follow the model in the Indy interrupt code by David Miller, where he
* says: a lot of complication here is taken away because:
@@ -48,7 +52,7 @@
* 3) Linux only thinks in terms of all IRQs on or all IRQs
* off, nothing in between like BSD spl() brain-damage.
*
- * Furthermore, the IRQs on the DECStations look basically (barring
+ * Furthermore, the IRQs on the DECstations look basically (barring
* software IRQs which we don't use at all) like...
*
* DS2100/3100's, aka kn01, aka Pmax:
@@ -61,7 +65,7 @@
* 3 Lance Ethernet
* 4 DZ11 serial
* 5 RTC
- * 6 Memory Controller
+ * 6 Memory Controller & Video
* 7 FPU
*
* DS5000/200, aka kn02, aka 3max:
diff --git a/arch/mips/dec/kn01-berr.c b/arch/mips/dec/kn01-berr.c
index 8ec7b30a90c1..b9271db9bc76 100644
--- a/arch/mips/dec/kn01-berr.c
+++ b/arch/mips/dec/kn01-berr.c
@@ -51,7 +51,7 @@ DEFINE_SPINLOCK(kn01_lock);
static inline void dec_kn01_be_ack(void)
{
- volatile u16 *csr = (void *)(KN01_SLOT_BASE + KN01_CSR);
+ volatile u16 *csr = (void *)CKSEG1ADDR(KN01_SLOT_BASE + KN01_CSR);
unsigned long flags;
spin_lock_irqsave(&kn01_lock, flags);
@@ -64,7 +64,8 @@ static inline void dec_kn01_be_ack(void)
static int dec_kn01_be_backend(struct pt_regs *regs, int is_fixup, int invoker)
{
- volatile u32 *kn01_erraddr = (void *)(KN01_SLOT_BASE + KN01_ERRADDR);
+ volatile u32 *kn01_erraddr = (void *)CKSEG1ADDR(KN01_SLOT_BASE +
+ KN01_ERRADDR);
static const char excstr[] = "exception";
static const char intstr[] = "interrupt";
@@ -152,7 +153,7 @@ int dec_kn01_be_handler(struct pt_regs *regs, int is_fixup)
irqreturn_t dec_kn01_be_interrupt(int irq, void *dev_id,
struct pt_regs *regs)
{
- volatile u16 *csr = (void *)(KN01_SLOT_BASE + KN01_CSR);
+ volatile u16 *csr = (void *)CKSEG1ADDR(KN01_SLOT_BASE + KN01_CSR);
int action;
if (!(*csr & KN01_CSR_MEMERR))
@@ -178,7 +179,7 @@ irqreturn_t dec_kn01_be_interrupt(int irq, void *dev_id,
void __init dec_kn01_be_init(void)
{
- volatile u16 *csr = (void *)(KN01_SLOT_BASE + KN01_CSR);
+ volatile u16 *csr = (void *)CKSEG1ADDR(KN01_SLOT_BASE + KN01_CSR);
unsigned long flags;
spin_lock_irqsave(&kn01_lock, flags);
diff --git a/arch/mips/dec/kn02-irq.c b/arch/mips/dec/kn02-irq.c
index 644085e10403..898bed502a34 100644
--- a/arch/mips/dec/kn02-irq.c
+++ b/arch/mips/dec/kn02-irq.c
@@ -37,7 +37,8 @@ static int kn02_irq_base;
static inline void unmask_kn02_irq(unsigned int irq)
{
- volatile u32 *csr = (volatile u32 *)KN02_CSR_BASE;
+ volatile u32 *csr = (volatile u32 *)CKSEG1ADDR(KN02_SLOT_BASE +
+ KN02_CSR);
cached_kn02_csr |= (1 << (irq - kn02_irq_base + 16));
*csr = cached_kn02_csr;
@@ -45,7 +46,8 @@ static inline void unmask_kn02_irq(unsigned int irq)
static inline void mask_kn02_irq(unsigned int irq)
{
- volatile u32 *csr = (volatile u32 *)KN02_CSR_BASE;
+ volatile u32 *csr = (volatile u32 *)CKSEG1ADDR(KN02_SLOT_BASE +
+ KN02_CSR);
cached_kn02_csr &= ~(1 << (irq - kn02_irq_base + 16));
*csr = cached_kn02_csr;
@@ -105,7 +107,8 @@ static struct hw_interrupt_type kn02_irq_type = {
void __init init_kn02_irqs(int base)
{
- volatile u32 *csr = (volatile u32 *)KN02_CSR_BASE;
+ volatile u32 *csr = (volatile u32 *)CKSEG1ADDR(KN02_SLOT_BASE +
+ KN02_CSR);
unsigned long flags;
int i;
diff --git a/arch/mips/dec/kn02xa-berr.c b/arch/mips/dec/kn02xa-berr.c
index c29909566628..6cd3f94f79fe 100644
--- a/arch/mips/dec/kn02xa-berr.c
+++ b/arch/mips/dec/kn02xa-berr.c
@@ -20,6 +20,7 @@
#include <linux/kernel.h>
#include <linux/types.h>
+#include <asm/addrspace.h>
#include <asm/system.h>
#include <asm/traps.h>
@@ -29,8 +30,8 @@
static inline void dec_kn02xa_be_ack(void)
{
- volatile u32 *mer = (void *)KN02XA_MER;
- volatile u32 *mem_intr = (void *)KN02XA_MEM_INTR;
+ volatile u32 *mer = (void *)CKSEG1ADDR(KN02XA_MER);
+ volatile u32 *mem_intr = (void *)CKSEG1ADDR(KN02XA_MEM_INTR);
*mer = KN02CA_MER_INTR; /* Clear errors; keep the ARC IRQ. */
*mem_intr = 0; /* Any write clears the bus IRQ. */
@@ -40,8 +41,8 @@ static inline void dec_kn02xa_be_ack(void)
static int dec_kn02xa_be_backend(struct pt_regs *regs, int is_fixup,
int invoker)
{
- volatile u32 *kn02xa_mer = (void *)KN02XA_MER;
- volatile u32 *kn02xa_ear = (void *)KN02XA_EAR;
+ volatile u32 *kn02xa_mer = (void *)CKSEG1ADDR(KN02XA_MER);
+ volatile u32 *kn02xa_ear = (void *)CKSEG1ADDR(KN02XA_EAR);
static const char excstr[] = "exception";
static const char intstr[] = "interrupt";
@@ -126,7 +127,7 @@ irqreturn_t dec_kn02xa_be_interrupt(int irq, void *dev_id,
void __init dec_kn02xa_be_init(void)
{
- volatile u32 *mbcs = (void *)(KN4K_SLOT_BASE + KN4K_MB_CSR);
+ volatile u32 *mbcs = (void *)CKSEG1ADDR(KN4K_SLOT_BASE + KN4K_MB_CSR);
/* For KN04 we need to make sure EE (?) is enabled in the MB. */
if (current_cpu_data.cputype == CPU_R4000SC)
diff --git a/arch/mips/dec/prom/identify.c b/arch/mips/dec/prom/identify.c
index 9380588cb15c..81d5e878ddce 100644
--- a/arch/mips/dec/prom/identify.c
+++ b/arch/mips/dec/prom/identify.c
@@ -2,7 +2,7 @@
* identify.c: machine identification code.
*
* Copyright (C) 1998 Harald Koerfgen and Paul M. Antoine
- * Copyright (C) 2002, 2003, 2004 Maciej W. Rozycki
+ * Copyright (C) 2002, 2003, 2004, 2005 Maciej W. Rozycki
*/
#include <linux/init.h>
#include <linux/kernel.h>
@@ -12,6 +12,7 @@
#include <linux/types.h>
#include <asm/bootinfo.h>
+
#include <asm/dec/ioasic.h>
#include <asm/dec/ioasic_addrs.h>
#include <asm/dec/kn01.h>
@@ -21,6 +22,7 @@
#include <asm/dec/kn03.h>
#include <asm/dec/kn230.h>
#include <asm/dec/prom.h>
+#include <asm/dec/system.h>
#include "dectypes.h"
@@ -68,34 +70,44 @@ EXPORT_SYMBOL(dec_rtc_base);
static inline void prom_init_kn01(void)
{
- dec_rtc_base = (void *)KN01_RTC_BASE;
+ dec_kn_slot_base = KN01_SLOT_BASE;
dec_kn_slot_size = KN01_SLOT_SIZE;
+
+ dec_rtc_base = (void *)CKSEG1ADDR(dec_kn_slot_base + KN01_RTC);
}
static inline void prom_init_kn230(void)
{
- dec_rtc_base = (void *)KN01_RTC_BASE;
+ dec_kn_slot_base = KN01_SLOT_BASE;
dec_kn_slot_size = KN01_SLOT_SIZE;
+
+ dec_rtc_base = (void *)CKSEG1ADDR(dec_kn_slot_base + KN01_RTC);
}
static inline void prom_init_kn02(void)
{
- dec_rtc_base = (void *)KN02_RTC_BASE;
+ dec_kn_slot_base = KN02_SLOT_BASE;
dec_kn_slot_size = KN02_SLOT_SIZE;
+
+ dec_rtc_base = (void *)CKSEG1ADDR(dec_kn_slot_base + KN02_RTC);
}
static inline void prom_init_kn02xa(void)
{
- ioasic_base = (void *)KN02XA_IOASIC_BASE;
- dec_rtc_base = (void *)KN02XA_RTC_BASE;
+ dec_kn_slot_base = KN02XA_SLOT_BASE;
dec_kn_slot_size = IOASIC_SLOT_SIZE;
+
+ ioasic_base = (void *)CKSEG1ADDR(dec_kn_slot_base + IOASIC_IOCTL);
+ dec_rtc_base = (void *)CKSEG1ADDR(dec_kn_slot_base + IOASIC_TOY);
}
static inline void prom_init_kn03(void)
{
- ioasic_base = (void *)KN03_IOASIC_BASE;
- dec_rtc_base = (void *)KN03_RTC_BASE;
+ dec_kn_slot_base = KN03_SLOT_BASE;
dec_kn_slot_size = IOASIC_SLOT_SIZE;
+
+ ioasic_base = (void *)CKSEG1ADDR(dec_kn_slot_base + IOASIC_IOCTL);
+ dec_rtc_base = (void *)CKSEG1ADDR(dec_kn_slot_base + IOASIC_TOY);
}
diff --git a/arch/mips/dec/setup.c b/arch/mips/dec/setup.c
index f63fb9cd43c6..8861c3b22e4b 100644
--- a/arch/mips/dec/setup.c
+++ b/arch/mips/dec/setup.c
@@ -39,6 +39,7 @@
#include <asm/dec/kn02ca.h>
#include <asm/dec/kn03.h>
#include <asm/dec/kn230.h>
+#include <asm/dec/system.h>
extern void dec_machine_restart(char *command);
@@ -48,10 +49,16 @@ extern irqreturn_t dec_intr_halt(int irq, void *dev_id, struct pt_regs *regs);
extern asmlinkage void decstation_handle_int(void);
+unsigned long dec_kn_slot_base, dec_kn_slot_size;
+
+EXPORT_SYMBOL(dec_kn_slot_base);
+EXPORT_SYMBOL(dec_kn_slot_size);
+
spinlock_t ioasic_ssr_lock;
volatile u32 *ioasic_base;
-unsigned long dec_kn_slot_size;
+
+EXPORT_SYMBOL(ioasic_base);
/*
* IRQ routing and priority tables. Priorites are set as follows:
@@ -78,6 +85,9 @@ unsigned long dec_kn_slot_size;
int dec_interrupt[DEC_NR_INTS] = {
[0 ... DEC_NR_INTS - 1] = -1
};
+
+EXPORT_SYMBOL(dec_interrupt);
+
int_ptr cpu_mask_nr_tbl[DEC_MAX_CPU_INTS][2] = {
{ { .i = ~0 }, { .p = dec_intr_unimplemented } },
};
@@ -755,7 +765,3 @@ void __init arch_init_irq(void)
if (dec_interrupt[DEC_IRQ_HALT] >= 0)
setup_irq(dec_interrupt[DEC_IRQ_HALT], &haltirq);
}
-
-EXPORT_SYMBOL(ioasic_base);
-EXPORT_SYMBOL(dec_kn_slot_size);
-EXPORT_SYMBOL(dec_interrupt);
diff --git a/drivers/tc/tc.c b/drivers/tc/tc.c
index d742c3a90b23..a0e5af638e0e 100644
--- a/drivers/tc/tc.c
+++ b/drivers/tc/tc.c
@@ -10,31 +10,29 @@
* Copyright (c) Harald Koerfgen, 1998
* Copyright (c) 2001, 2003, 2005 Maciej W. Rozycki
*/
-#include <linux/string.h>
#include <linux/init.h>
-#include <linux/ioport.h>
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/string.h>
+#include <linux/types.h>
#include <asm/addrspace.h>
+#include <asm/bug.h>
#include <asm/errno.h>
+#include <asm/io.h>
+#include <asm/paccess.h>
+
#include <asm/dec/machtype.h>
#include <asm/dec/prom.h>
#include <asm/dec/tcinfo.h>
#include <asm/dec/tcmodule.h>
#include <asm/dec/interrupts.h>
-#include <asm/paccess.h>
-#include <asm/ptrace.h>
-
-#define TC_DEBUG
MODULE_LICENSE("GPL");
slot_info tc_bus[MAX_SLOT];
static int num_tcslots;
static tcinfo *info;
-unsigned long system_base;
-
/*
* Interface to the world. Read comment in include/asm-mips/tc.h.
*/
@@ -97,13 +95,16 @@ unsigned long get_tc_speed(void)
static void __init tc_probe(unsigned long startaddr, unsigned long size,
int slots)
{
+ unsigned long slotaddr;
int i, slot, err;
long offset;
- unsigned char pattern[4];
- unsigned char *module;
+ u8 pattern[4];
+ volatile u8 *module;
for (slot = 0; slot < slots; slot++) {
- module = (char *)(startaddr + slot * size);
+ slotaddr = startaddr + slot * size;
+ module = ioremap_nocache(slotaddr, size);
+ BUG_ON(!module);
offset = OLDCARD;
@@ -112,8 +113,10 @@ static void __init tc_probe(unsigned long startaddr, unsigned long size,
err |= get_dbe(pattern[1], module + OLDCARD + TC_PATTERN1);
err |= get_dbe(pattern[2], module + OLDCARD + TC_PATTERN2);
err |= get_dbe(pattern[3], module + OLDCARD + TC_PATTERN3);
- if (err)
+ if (err) {
+ iounmap(module);
continue;
+ }
if (pattern[0] != 0x55 || pattern[1] != 0x00 ||
pattern[2] != 0xaa || pattern[3] != 0xff) {
@@ -124,16 +127,20 @@ static void __init tc_probe(unsigned long startaddr, unsigned long size,
err |= get_dbe(pattern[1], module + TC_PATTERN1);
err |= get_dbe(pattern[2], module + TC_PATTERN2);
err |= get_dbe(pattern[3], module + TC_PATTERN3);
- if (err)
+ if (err) {
+ iounmap(module);
continue;
+ }
}
if (pattern[0] != 0x55 || pattern[1] != 0x00 ||
- pattern[2] != 0xaa || pattern[3] != 0xff)
+ pattern[2] != 0xaa || pattern[3] != 0xff) {
+ iounmap(module);
continue;
+ }
- tc_bus[slot].base_addr = (unsigned long)module;
- for(i = 0; i < 8; i++) {
+ tc_bus[slot].base_addr = slotaddr;
+ for (i = 0; i < 8; i++) {
tc_bus[slot].firmware[i] =
module[TC_FIRM_VER + offset + 4 * i];
tc_bus[slot].vendor[i] =
@@ -171,6 +178,8 @@ static void __init tc_probe(unsigned long startaddr, unsigned long size,
tc_bus[slot].interrupt = -1;
break;
}
+
+ iounmap(module);
}
}
@@ -196,8 +205,8 @@ static int __init tc_init(void)
tc_bus[i].flags = FREE;
}
- info = (tcinfo *) rex_gettcinfo();
- slot0addr = (unsigned long)CKSEG1ADDR(rex_slot_address(0));
+ info = rex_gettcinfo();
+ slot0addr = CPHYSADDR((long)rex_slot_address(0));
switch (mips_machtype) {
case MACH_DS5000_200:
@@ -216,35 +225,21 @@ static int __init tc_init(void)
tc_clock = 10000 / info->clk_period;
- if (TURBOCHANNEL && info->slot_size && slot0addr) {
- printk("TURBOchannel rev. %1d at %2d.%1d MHz ", info->revision,
- tc_clock / 10, tc_clock % 10);
- printk("(with%s parity)\n", info->parity ? "" : "out");
+ if (info->slot_size && slot0addr) {
+ pr_info("TURBOchannel rev. %d at %d.%d MHz (with%s parity)\n",
+ info->revision, tc_clock / 10, tc_clock % 10,
+ info->parity ? "" : "out");
slot_size = info->slot_size << 20;
tc_probe(slot0addr, slot_size, num_tcslots);
- /*
- * All TURBOchannel DECstations have the onboard devices
- * where the (num_tcslots + 0 or 1 on DS5k/xx) Option Module
- * would be.
- */
- if(mips_machtype == MACH_DS5000_XX)
- i = 1;
- else
- i = 0;
-
- system_base = slot0addr + slot_size * (num_tcslots + i);
-
-#ifdef TC_DEBUG
- for (i = 0; i < num_tcslots; i++)
- if (tc_bus[i].base_addr) {
- printk(" slot %d: ", i);
- printk("%s %s %s\n", tc_bus[i].vendor,
- tc_bus[i].name, tc_bus[i].firmware);
- }
-#endif
+ for (i = 0; i < num_tcslots; i++) {
+ if (!tc_bus[i].base_addr)
+ continue;
+ pr_info(" slot %d: %s %s %s\n", i, tc_bus[i].vendor,
+ tc_bus[i].name, tc_bus[i].firmware);
+ }
}
return 0;
@@ -258,4 +253,3 @@ EXPORT_SYMBOL(release_tc_card);
EXPORT_SYMBOL(get_tc_base_addr);
EXPORT_SYMBOL(get_tc_irq_nr);
EXPORT_SYMBOL(get_tc_speed);
-EXPORT_SYMBOL(system_base);
diff --git a/drivers/tc/zs.c b/drivers/tc/zs.c
index 0e302ae5924c..c52af73a251b 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/ioasic_addrs.h>
#include <asm/dec/machtype.h>
+#include <asm/dec/serial.h>
+#include <asm/dec/system.h>
#include <asm/dec/tc.h>
-#include <asm/dec/ioasic_addrs.h>
-#endif
+
#ifdef CONFIG_KGDB
#include <asm/kgdb.h>
#endif
@@ -1616,30 +1616,22 @@ static void __init probe_sccs(void)
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 @@ static void __init probe_sccs(void)
* 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;
diff --git a/include/asm-mips/dec/ioasic_addrs.h b/include/asm-mips/dec/ioasic_addrs.h
index 5e18a7510592..4cbc1f8a1129 100644
--- a/include/asm-mips/dec/ioasic_addrs.h
+++ b/include/asm-mips/dec/ioasic_addrs.h
@@ -45,7 +45,8 @@
/*
- * Offsets for I/O ASIC registers (relative to (system_base + IOASIC_IOCTL)).
+ * Offsets for I/O ASIC registers
+ * (relative to (dec_kn_slot_base + IOASIC_IOCTL)).
*/
/* all systems */
#define IO_REG_SCSI_DMA_P 0x00 /* SCSI DMA Pointer */
diff --git a/include/asm-mips/dec/kn01.h b/include/asm-mips/dec/kn01.h
index 607a385ffd8a..eb522aa1e226 100644
--- a/include/asm-mips/dec/kn01.h
+++ b/include/asm-mips/dec/kn01.h
@@ -13,9 +13,7 @@
#ifndef __ASM_MIPS_DEC_KN01_H
#define __ASM_MIPS_DEC_KN01_H
-#include <asm/addrspace.h>
-
-#define KN01_SLOT_BASE CKSEG1ADDR(0x10000000)
+#define KN01_SLOT_BASE 0x10000000
#define KN01_SLOT_SIZE 0x01000000
/*
@@ -41,17 +39,9 @@
/*
- * Some port addresses...
- */
-#define KN01_LANCE_BASE (KN01_SLOT_BASE + KN01_LANCE) /* 0xB8000000 */
-#define KN01_DZ11_BASE (KN01_SLOT_BASE + KN01_DZ11) /* 0xBC000000 */
-#define KN01_RTC_BASE (KN01_SLOT_BASE + KN01_RTC) /* 0xBD000000 */
-
-
-/*
* Frame buffer memory address.
*/
-#define KN01_VFB_MEM CKSEG1ADDR(0x0fc00000)
+#define KN01_VFB_MEM 0x0fc00000
/*
* CPU interrupt bits.
diff --git a/include/asm-mips/dec/kn02.h b/include/asm-mips/dec/kn02.h
index 83a042e90687..8319ad77b250 100644
--- a/include/asm-mips/dec/kn02.h
+++ b/include/asm-mips/dec/kn02.h
@@ -13,11 +13,7 @@
#ifndef __ASM_MIPS_DEC_KN02_H
#define __ASM_MIPS_DEC_KN02_H
-#include <asm/addrspace.h>
-#include <asm/dec/ecc.h>
-
-
-#define KN02_SLOT_BASE CKSEG1ADDR(0x1fc00000)
+#define KN02_SLOT_BASE 0x1fc00000
#define KN02_SLOT_SIZE 0x00080000
/*
@@ -34,14 +30,6 @@
/*
- * Some port addresses...
- */
-#define KN02_DZ11_BASE (KN02_SLOT_BASE + KN02_DZ11) /* DZ11 */
-#define KN02_RTC_BASE (KN02_SLOT_BASE + KN02_RTC) /* RTC */
-#define KN02_CSR_BASE (KN02_SLOT_BASE + KN02_CSR) /* CSR */
-
-
-/*
* System Control & Status Register bits.
*/
#define KN02_CSR_RES_28 (0xf<<28) /* unused */
diff --git a/include/asm-mips/dec/kn02xa.h b/include/asm-mips/dec/kn02xa.h
index 3c25a3346f3f..a25f3d7da7f7 100644
--- a/include/asm-mips/dec/kn02xa.h
+++ b/include/asm-mips/dec/kn02xa.h
@@ -17,31 +17,23 @@
#ifndef __ASM_MIPS_DEC_KN02XA_H
#define __ASM_MIPS_DEC_KN02XA_H
-#include <asm/addrspace.h>
#include <asm/dec/ioasic_addrs.h>
-#define KN02XA_SLOT_BASE CKSEG1ADDR(0x1c000000)
-
-/*
- * Some port addresses...
- */
-#define KN02XA_IOASIC_BASE (KN02XA_SLOT_BASE + IOASIC_IOCTL) /* I/O ASIC */
-#define KN02XA_RTC_BASE (KN02XA_SLOT_BASE + IOASIC_TOY) /* RTC */
-
+#define KN02XA_SLOT_BASE 0x1c000000
/*
* Memory control ASIC registers.
*/
-#define KN02XA_MER CKSEG1ADDR(0x0c400000) /* memory error register */
-#define KN02XA_MSR CKSEG1ADDR(0x0c800000) /* memory size register */
+#define KN02XA_MER 0x0c400000 /* memory error register */
+#define KN02XA_MSR 0x0c800000 /* memory size register */
/*
* CPU control ASIC registers.
*/
-#define KN02XA_MEM_CONF CKSEG1ADDR(0x0e000000) /* write timeout config */
-#define KN02XA_EAR CKSEG1ADDR(0x0e000004) /* error address register */
-#define KN02XA_BOOT0 CKSEG1ADDR(0x0e000008) /* boot 0 register */
-#define KN02XA_MEM_INTR CKSEG1ADDR(0x0e00000c) /* write err IRQ stat & ack */
+#define KN02XA_MEM_CONF 0x0e000000 /* write timeout config */
+#define KN02XA_EAR 0x0e000004 /* error address register */
+#define KN02XA_BOOT0 0x0e000008 /* boot 0 register */
+#define KN02XA_MEM_INTR 0x0e00000c /* write err IRQ stat & ack */
/*
* Memory Error Register bits, common definitions.
diff --git a/include/asm-mips/dec/kn03.h b/include/asm-mips/dec/kn03.h
index 9d787cc26353..edede923ffb8 100644
--- a/include/asm-mips/dec/kn03.h
+++ b/include/asm-mips/dec/kn03.h
@@ -10,24 +10,15 @@
*
* Copyright (C) 1995,1996 by Paul M. Antoine, some code and definitions
* are by courtesy of Chris Fraser.
- * Copyright (C) 2000, 2002, 2003 Maciej W. Rozycki
+ * Copyright (C) 2000, 2002, 2003, 2005 Maciej W. Rozycki
*/
#ifndef __ASM_MIPS_DEC_KN03_H
#define __ASM_MIPS_DEC_KN03_H
-#include <asm/addrspace.h>
#include <asm/dec/ecc.h>
#include <asm/dec/ioasic_addrs.h>
-#define KN03_SLOT_BASE CKSEG1ADDR(0x1f800000)
-
-/*
- * Some port addresses...
- */
-#define KN03_IOASIC_BASE (KN03_SLOT_BASE + IOASIC_IOCTL) /* I/O ASIC */
-#define KN03_RTC_BASE (KN03_SLOT_BASE + IOASIC_TOY) /* RTC */
-#define KN03_MCR_BASE (KN03_SLOT_BASE + IOASIC_MCR) /* MCR */
-
+#define KN03_SLOT_BASE 0x1f800000
/*
* CPU interrupt bits.
diff --git a/include/asm-mips/dec/kn05.h b/include/asm-mips/dec/kn05.h
index 61feac382efb..15fe8f881e60 100644
--- a/include/asm-mips/dec/kn05.h
+++ b/include/asm-mips/dec/kn05.h
@@ -21,7 +21,6 @@
#ifndef __ASM_MIPS_DEC_KN05_H
#define __ASM_MIPS_DEC_KN05_H
-#include <asm/addrspace.h>
#include <asm/dec/ioasic_addrs.h>
/*
@@ -30,7 +29,7 @@
* passed to the I/O ASIC's decoder like with the KN03 or KN02-BA/CA.
* Others are handled locally. "Low" slots are always passed.
*/
-#define KN4K_SLOT_BASE KSEG1ADDR(0x1fc00000)
+#define KN4K_SLOT_BASE 0x1fc00000
#define KN4K_MB_ROM (0*IOASIC_SLOT_SIZE) /* KN05/KN04 card ROM */
#define KN4K_IOCTL (1*IOASIC_SLOT_SIZE) /* I/O ASIC */
diff --git a/include/asm-mips/dec/system.h b/include/asm-mips/dec/system.h
new file mode 100644
index 000000000000..78af51fbc797
--- /dev/null
+++ b/include/asm-mips/dec/system.h
@@ -0,0 +1,18 @@
+/*
+ * include/asm-mips/dec/system.h
+ *
+ * Generic DECstation/DECsystem bits.
+ *
+ * Copyright (C) 2005 Maciej W. Rozycki
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#ifndef __ASM_DEC_SYSTEM_H
+#define __ASM_DEC_SYSTEM_H
+
+extern unsigned long dec_kn_slot_base, dec_kn_slot_size;
+
+#endif /* __ASM_DEC_SYSTEM_H */
diff --git a/include/asm-mips/dec/tc.h b/include/asm-mips/dec/tc.h
index d7bba43f863a..9cb51f24d42c 100644
--- a/include/asm-mips/dec/tc.h
+++ b/include/asm-mips/dec/tc.h
@@ -7,10 +7,8 @@
*
* Copyright (c) 1998 Harald Koerfgen
*/
-#ifndef ASM_TC_H
-#define ASM_TC_H
-
-extern unsigned long system_base;
+#ifndef __ASM_DEC_TC_H
+#define __ASM_DEC_TC_H
/*
* Search for a TURBOchannel Option Module
@@ -36,8 +34,8 @@ extern unsigned long get_tc_base_addr(int);
*/
extern unsigned long get_tc_irq_nr(int);
/*
- * Return TURBOchannel clock frequency in hz
+ * Return TURBOchannel clock frequency in Hz
*/
extern unsigned long get_tc_speed(void);
-#endif
+#endif /* __ASM_DEC_TC_H */
diff --git a/include/asm-mips/mach-dec/mc146818rtc.h b/include/asm-mips/mach-dec/mc146818rtc.h
index a326f451253b..6d37a5675803 100644
--- a/include/asm-mips/mach-dec/mc146818rtc.h
+++ b/include/asm-mips/mach-dec/mc146818rtc.h
@@ -3,7 +3,7 @@
*
* Copyright (C) 1998, 2001 by Ralf Baechle
* Copyright (C) 1998 by Harald Koerfgen
- * Copyright (C) 2002 Maciej W. Rozycki
+ * Copyright (C) 2002, 2005 Maciej W. Rozycki
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
@@ -14,23 +14,18 @@
#define __ASM_MIPS_DEC_RTC_DEC_H
#include <linux/types.h>
-
#include <asm/addrspace.h>
+#include <asm/dec/system.h>
extern volatile u8 *dec_rtc_base;
-extern unsigned long dec_kn_slot_size;
-#define RTC_PORT(x) CPHYSADDR(dec_rtc_base)
+#define RTC_PORT(x) CPHYSADDR((long)dec_rtc_base)
#define RTC_IO_EXTENT dec_kn_slot_size
#define RTC_IOMAPPED 0
#undef RTC_IRQ
#define RTC_DEC_YEAR 0x3f /* Where we store the real year on DECs. */
-#include <linux/mc146818rtc.h>
-#include <linux/module.h>
-#include <linux/types.h>
-
static inline unsigned char CMOS_READ(unsigned long addr)
{
return dec_rtc_base[addr * 4];