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-rw-r--r--arch/mips/dec/Makefile1
-rw-r--r--arch/mips/dec/prom/identify.c3
-rw-r--r--arch/mips/dec/setup.c2
-rw-r--r--arch/mips/dec/tc.c95
4 files changed, 101 insertions, 0 deletions
diff --git a/arch/mips/dec/Makefile b/arch/mips/dec/Makefile
index ed181fdc3ac..8b790c2900d 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/prom/identify.c b/arch/mips/dec/prom/identify.c
index 81d5e878ddc..c4e3c1ea0d4 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/setup.c b/arch/mips/dec/setup.c
index 1058e2f409b..b8a5e75ba0a 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;
diff --git a/arch/mips/dec/tc.c b/arch/mips/dec/tc.c
new file mode 100644
index 00000000000..732027c7983
--- /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;
+ }
+}