7 files changed, 113 insertions, 23 deletions

diff --git a/arch/mips/dec/Makefile b/arch/mips/dec/Makefile
index ed181fdc3ac9..8b790c2900d5 100644
--- a/arch/mips/dec/Makefile
+++ b/arch/mips/dec/Makefile
@@ -6,6 +6,7 @@ obj-y		:= ecc-berr.o int-handler.o ioasic-irq.o kn01-berr.o \
                    kn02-irq.o kn02xa-berr.o reset.o setup.o time.o
 
 obj-$(CONFIG_PROM_CONSOLE)      += promcon.o
+obj-$(CONFIG_TC)                += tc.o
 obj-$(CONFIG_CPU_HAS_WB)        += wbflush.o
 
 EXTRA_AFLAGS := $(CFLAGS)
diff --git a/arch/mips/dec/ioasic-irq.c b/arch/mips/dec/ioasic-irq.c
index 4c7cb4048d35..3acb133668dc 100644
--- a/arch/mips/dec/ioasic-irq.c
+++ b/arch/mips/dec/ioasic-irq.c
@@ -62,7 +62,7 @@ static inline void end_ioasic_irq(unsigned int irq)
 }
 
 static struct irq_chip ioasic_irq_type = {
-        .typename = "IO-ASIC",
+        .name = "IO-ASIC",
         .ack = ack_ioasic_irq,
         .mask = mask_ioasic_irq,
         .mask_ack = ack_ioasic_irq,
@@ -84,7 +84,7 @@ static inline void end_ioasic_dma_irq(unsigned int irq)
 }
 
 static struct irq_chip ioasic_dma_irq_type = {
-        .typename = "IO-ASIC-DMA",
+        .name = "IO-ASIC-DMA",
         .ack = ack_ioasic_dma_irq,
         .mask = mask_ioasic_dma_irq,
         .mask_ack = ack_ioasic_dma_irq,
diff --git a/arch/mips/dec/kn02-irq.c b/arch/mips/dec/kn02-irq.c
index 916e46b8ccd8..02439dc0ba83 100644
--- a/arch/mips/dec/kn02-irq.c
+++ b/arch/mips/dec/kn02-irq.c
@@ -58,7 +58,7 @@ static void ack_kn02_irq(unsigned int irq)
 }
 
 static struct irq_chip kn02_irq_type = {
-        .typename = "KN02-CSR",
+        .name = "KN02-CSR",
         .ack = ack_kn02_irq,
         .mask = mask_kn02_irq,
         .mask_ack = ack_kn02_irq,
diff --git a/arch/mips/dec/prom/identify.c b/arch/mips/dec/prom/identify.c
index 81d5e878ddce..c4e3c1ea0d48 100644
--- a/arch/mips/dec/prom/identify.c
+++ b/arch/mips/dec/prom/identify.c
@@ -88,6 +88,7 @@ static inline void prom_init_kn02(void)
 {
         dec_kn_slot_base = KN02_SLOT_BASE;
         dec_kn_slot_size = KN02_SLOT_SIZE;
+        dec_tc_bus = 1;
 
         dec_rtc_base = (void *)CKSEG1ADDR(dec_kn_slot_base + KN02_RTC);
 }
@@ -96,6 +97,7 @@ static inline void prom_init_kn02xa(void)
 {
         dec_kn_slot_base = KN02XA_SLOT_BASE;
         dec_kn_slot_size = IOASIC_SLOT_SIZE;
+        dec_tc_bus = 1;
 
         ioasic_base = (void *)CKSEG1ADDR(dec_kn_slot_base + IOASIC_IOCTL);
         dec_rtc_base = (void *)CKSEG1ADDR(dec_kn_slot_base + IOASIC_TOY);
@@ -105,6 +107,7 @@ static inline void prom_init_kn03(void)
 {
         dec_kn_slot_base = KN03_SLOT_BASE;
         dec_kn_slot_size = IOASIC_SLOT_SIZE;
+        dec_tc_bus = 1;
 
         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/prom/memory.c b/arch/mips/dec/prom/memory.c
index 3aa01d268f2d..5a557e268f78 100644
--- a/arch/mips/dec/prom/memory.c
+++ b/arch/mips/dec/prom/memory.c
@@ -92,9 +92,9 @@ void __init prom_meminit(u32 magic)
                 rex_setup_memory_region();
 }
 
-unsigned long __init prom_free_prom_memory(void)
+void __init prom_free_prom_memory(void)
 {
-        unsigned long addr, end;
+        unsigned long end;
 
         /*
          * Free everything below the kernel itself but leave
@@ -114,16 +114,5 @@ unsigned long __init prom_free_prom_memory(void)
 #endif
                 end = __pa(&_text);
 
-        addr = PAGE_SIZE;
-        while (addr < end) {
-                ClearPageReserved(virt_to_page(__va(addr)));
-                init_page_count(virt_to_page(__va(addr)));
-                free_page((unsigned long)__va(addr));
-                addr += PAGE_SIZE;
-        }
-
-        printk("Freeing unused PROM memory: %ldkb freed\n",
-               (end - PAGE_SIZE) >> 10);
-
-        return end - PAGE_SIZE;
+        free_init_pages("unused PROM memory", PAGE_SIZE, end);
 }
diff --git a/arch/mips/dec/setup.c b/arch/mips/dec/setup.c
index d34032ac492a..b8a5e75ba0ab 100644
--- a/arch/mips/dec/setup.c
+++ b/arch/mips/dec/setup.c
@@ -53,6 +53,8 @@ unsigned long dec_kn_slot_base, dec_kn_slot_size;
 EXPORT_SYMBOL(dec_kn_slot_base);
 EXPORT_SYMBOL(dec_kn_slot_size);
 
+int dec_tc_bus;
+
 spinlock_t ioasic_ssr_lock;
 
 volatile u32 *ioasic_base;
@@ -234,7 +236,7 @@ static void __init dec_init_kn01(void)
         memcpy(&cpu_mask_nr_tbl, &kn01_cpu_mask_nr_tbl,
                 sizeof(kn01_cpu_mask_nr_tbl));
 
-        mips_cpu_irq_init(DEC_CPU_IRQ_BASE);
+        mips_cpu_irq_init();
 
 }                               /* dec_init_kn01 */
 
@@ -309,7 +311,7 @@ static void __init dec_init_kn230(void)
         memcpy(&cpu_mask_nr_tbl, &kn230_cpu_mask_nr_tbl,
                 sizeof(kn230_cpu_mask_nr_tbl));
 
-        mips_cpu_irq_init(DEC_CPU_IRQ_BASE);
+        mips_cpu_irq_init();
 
 }                               /* dec_init_kn230 */
 
@@ -403,7 +405,7 @@ static void __init dec_init_kn02(void)
         memcpy(&asic_mask_nr_tbl, &kn02_asic_mask_nr_tbl,
                 sizeof(kn02_asic_mask_nr_tbl));
 
-        mips_cpu_irq_init(DEC_CPU_IRQ_BASE);
+        mips_cpu_irq_init();
         init_kn02_irqs(KN02_IRQ_BASE);
 
 }                               /* dec_init_kn02 */
@@ -504,7 +506,7 @@ static void __init dec_init_kn02ba(void)
         memcpy(&asic_mask_nr_tbl, &kn02ba_asic_mask_nr_tbl,
                 sizeof(kn02ba_asic_mask_nr_tbl));
 
-        mips_cpu_irq_init(DEC_CPU_IRQ_BASE);
+        mips_cpu_irq_init();
         init_ioasic_irqs(IO_IRQ_BASE);
 
 }                               /* dec_init_kn02ba */
@@ -601,7 +603,7 @@ static void __init dec_init_kn02ca(void)
         memcpy(&asic_mask_nr_tbl, &kn02ca_asic_mask_nr_tbl,
                 sizeof(kn02ca_asic_mask_nr_tbl));
 
-        mips_cpu_irq_init(DEC_CPU_IRQ_BASE);
+        mips_cpu_irq_init();
         init_ioasic_irqs(IO_IRQ_BASE);
 
 }                               /* dec_init_kn02ca */
@@ -702,7 +704,7 @@ static void __init dec_init_kn03(void)
         memcpy(&asic_mask_nr_tbl, &kn03_asic_mask_nr_tbl,
                 sizeof(kn03_asic_mask_nr_tbl));
 
-        mips_cpu_irq_init(DEC_CPU_IRQ_BASE);
+        mips_cpu_irq_init();
         init_ioasic_irqs(IO_IRQ_BASE);
 
 }                               /* dec_init_kn03 */
diff --git a/arch/mips/dec/tc.c b/arch/mips/dec/tc.c
new file mode 100644
index 000000000000..732027c79834
--- /dev/null
+++ b/arch/mips/dec/tc.c
@@ -0,0 +1,95 @@
+/*
+ *      TURBOchannel architecture calls.
+ *
+ *      Copyright (c) Harald Koerfgen, 1998
+ *      Copyright (c) 2001, 2003, 2005, 2006  Maciej W. Rozycki
+ *      Copyright (c) 2005  James Simmons
+ *
+ *      This file is subject to the terms and conditions of the GNU
+ *      General Public License.  See the file "COPYING" in the main
+ *      directory of this archive for more details.
+ */
+#include <linux/compiler.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/string.h>
+#include <linux/tc.h>
+#include <linux/types.h>
+
+#include <asm/addrspace.h>
+#include <asm/bootinfo.h>
+#include <asm/paccess.h>
+
+#include <asm/dec/interrupts.h>
+#include <asm/dec/prom.h>
+#include <asm/dec/system.h>
+
+/*
+ * Protected read byte from TURBOchannel slot space.
+ */
+int tc_preadb(u8 *valp, void __iomem *addr)
+{
+        return get_dbe(*valp, (u8 *)addr);
+}
+
+/*
+ * Get TURBOchannel bus information as specified by the spec, plus
+ * the slot space base address and the number of slots.
+ */
+int __init tc_bus_get_info(struct tc_bus *tbus)
+{
+        if (!dec_tc_bus)
+                return -ENXIO;
+
+        memcpy(&tbus->info, rex_gettcinfo(), sizeof(tbus->info));
+        tbus->slot_base = CPHYSADDR((long)rex_slot_address(0));
+
+        switch (mips_machtype) {
+        case MACH_DS5000_200:
+                tbus->num_tcslots = 7;
+                break;
+        case MACH_DS5000_2X0:
+        case MACH_DS5900:
+                tbus->ext_slot_base = 0x20000000;
+                tbus->ext_slot_size = 0x20000000;
+                /* fall through */
+        case MACH_DS5000_1XX:
+                tbus->num_tcslots = 3;
+                break;
+        case MACH_DS5000_XX:
+                tbus->num_tcslots = 2;
+        default:
+                break;
+        }
+        return 0;
+}
+
+/*
+ * Get the IRQ for the specified slot.
+ */
+void __init tc_device_get_irq(struct tc_dev *tdev)
+{
+        switch (tdev->slot) {
+        case 0:
+                tdev->interrupt = dec_interrupt[DEC_IRQ_TC0];
+                break;
+        case 1:
+                tdev->interrupt = dec_interrupt[DEC_IRQ_TC1];
+                break;
+        case 2:
+                tdev->interrupt = dec_interrupt[DEC_IRQ_TC2];
+                break;
+        /*
+         * Yuck! DS5000/200 onboard devices
+         */
+        case 5:
+                tdev->interrupt = dec_interrupt[DEC_IRQ_TC5];
+                break;
+        case 6:
+                tdev->interrupt = dec_interrupt[DEC_IRQ_TC6];
+                break;
+        default:
+                tdev->interrupt = -1;
+                break;
+        }
+}