6 files changed, 80 insertions, 83 deletions

diff --git a/arch/mn10300/unit-asb2305/include/unit/clock.h b/arch/mn10300/unit-asb2305/include/unit/clock.h
index 67be3f2eb18e..29e3425431cf 100644
--- a/arch/mn10300/unit-asb2305/include/unit/clock.h
+++ b/arch/mn10300/unit-asb2305/include/unit/clock.h
@@ -14,32 +14,11 @@
 
 #ifndef __ASSEMBLY__
 
-#ifdef CONFIG_MN10300_RTC
-
-extern unsigned long mn10300_ioclk;     /* IOCLK (crystal speed) in HZ */
-extern unsigned long mn10300_iobclk;
-extern unsigned long mn10300_tsc_per_HZ;
-
-#define MN10300_IOCLK           mn10300_ioclk
-/* If this processors has a another clock, uncomment the below. */
-/* #define MN10300_IOBCLK       mn10300_iobclk */
-
-#else /* !CONFIG_MN10300_RTC */
-
 #define MN10300_IOCLK           33333333UL
 /* #define MN10300_IOBCLK       66666666UL */
 
-#endif /* !CONFIG_MN10300_RTC */
-
-#define MN10300_JCCLK           MN10300_IOCLK
-#define MN10300_TSCCLK          MN10300_IOCLK
-
-#ifdef CONFIG_MN10300_RTC
-#define MN10300_TSC_PER_HZ      mn10300_tsc_per_HZ
-#else /* !CONFIG_MN10300_RTC */
-#define MN10300_TSC_PER_HZ      (MN10300_TSCCLK/HZ)
-#endif /* !CONFIG_MN10300_RTC */
-
 #endif /* !__ASSEMBLY__ */
 
+#define MN10300_WDCLK           MN10300_IOCLK
+
 #endif /* _ASM_UNIT_CLOCK_H */
diff --git a/arch/mn10300/unit-asb2305/include/unit/serial.h b/arch/mn10300/unit-asb2305/include/unit/serial.h
index 8086cc092cec..88c08219315f 100644
--- a/arch/mn10300/unit-asb2305/include/unit/serial.h
+++ b/arch/mn10300/unit-asb2305/include/unit/serial.h
@@ -21,6 +21,11 @@
 #define SERIAL_IRQ      XIRQ0   /* Dual serial (PC16552)        (Hi) */
 
 /*
+ * The ASB2305 has an 18.432 MHz clock the UART
+ */
+#define BASE_BAUD       (18432000 / 16)
+
+/*
  * dispose of the /dev/ttyS0 serial port
  */
 #ifndef CONFIG_GDBSTUB_ON_TTYSx
diff --git a/arch/mn10300/unit-asb2305/include/unit/timex.h b/arch/mn10300/unit-asb2305/include/unit/timex.h
index d1c72d59fa9f..758af30d1a16 100644
--- a/arch/mn10300/unit-asb2305/include/unit/timex.h
+++ b/arch/mn10300/unit-asb2305/include/unit/timex.h
@@ -1,6 +1,6 @@
-/* ASB2305 timer specifcations
+/* ASB2305-specific timer specifications
  *
- * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
+ * Copyright (C) 2007, 2010 Red Hat, Inc. All Rights Reserved.
  * Written by David Howells (dhowells@redhat.com)
  *
  * This program is free software; you can redistribute it and/or
@@ -17,67 +17,72 @@
 
 #include <asm/timer-regs.h>
 #include <unit/clock.h>
+#include <asm/param.h>
 
 /*
  * jiffies counter specifications
  */
 
 #define TMJCBR_MAX              0xffff
-#define TMJCBC                  TM01BC
-
-#define TMJCMD                  TM01MD
-#define TMJCBR                  TM01BR
 #define TMJCIRQ                 TM1IRQ
 #define TMJCICR                 TM1ICR
-#define TMJCICR_LEVEL           GxICR_LEVEL_5
 
 #ifndef __ASSEMBLY__
 
-static inline void startup_jiffies_counter(void)
+#define MN10300_SRC_IOCLK       MN10300_IOCLK
+
+#ifndef HZ
+# error HZ undeclared.
+#endif /* !HZ */
+/* use as little prescaling as possible to avoid losing accuracy */
+#if (MN10300_SRC_IOCLK + HZ / 2) / HZ - 1 <= TMJCBR_MAX
+# define IOCLK_PRESCALE         1
+# define JC_TIMER_CLKSRC        TM0MD_SRC_IOCLK
+# define TSC_TIMER_CLKSRC       TM4MD_SRC_IOCLK
+#elif (MN10300_SRC_IOCLK / 8 + HZ / 2) / HZ - 1 <= TMJCBR_MAX
+# define IOCLK_PRESCALE         8
+# define JC_TIMER_CLKSRC        TM0MD_SRC_IOCLK_8
+# define TSC_TIMER_CLKSRC       TM4MD_SRC_IOCLK_8
+#elif (MN10300_SRC_IOCLK / 32 + HZ / 2) / HZ - 1 <= TMJCBR_MAX
+# define IOCLK_PRESCALE         32
+# define JC_TIMER_CLKSRC        TM0MD_SRC_IOCLK_32
+# define TSC_TIMER_CLKSRC       TM4MD_SRC_IOCLK_32
+#else
+# error You lose.
+#endif
+
+#define MN10300_JCCLK           (MN10300_SRC_IOCLK / IOCLK_PRESCALE)
+#define MN10300_TSCCLK          (MN10300_SRC_IOCLK / IOCLK_PRESCALE)
+
+#define MN10300_JC_PER_HZ       ((MN10300_JCCLK + HZ / 2) / HZ)
+#define MN10300_TSC_PER_HZ      ((MN10300_TSCCLK + HZ / 2) / HZ)
+
+static inline void stop_jiffies_counter(void)
 {
-        unsigned rate;
-        u16 md, t16;
-
-        /* use as little prescaling as possible to avoid losing accuracy */
-        md = TM0MD_SRC_IOCLK;
-        rate = MN10300_JCCLK / HZ;
-
-        if (rate > TMJCBR_MAX) {
-                md = TM0MD_SRC_IOCLK_8;
-                rate = MN10300_JCCLK / 8 / HZ;
-
-                if (rate > TMJCBR_MAX) {
-                        md = TM0MD_SRC_IOCLK_32;
-                        rate = MN10300_JCCLK / 32 / HZ;
-
-                        if (rate > TMJCBR_MAX)
-                                BUG();
-                }
-        }
+        u16 tmp;
+        TM01MD = JC_TIMER_CLKSRC | TM1MD_SRC_TM0CASCADE << 8;
+        tmp = TM01MD;
+}
 
-        TMJCBR = rate - 1;
-        t16 = TMJCBR;
+static inline void reload_jiffies_counter(u32 cnt)
+{
+        u32 tmp;
 
-        TMJCMD =
-                md |
-                TM1MD_SRC_TM0CASCADE << 8 |
-                TM0MD_INIT_COUNTER |
-                TM1MD_INIT_COUNTER << 8;
+        TM01BR = cnt;
+        tmp = TM01BR;
 
-        TMJCMD =
-                md |
-                TM1MD_SRC_TM0CASCADE << 8 |
-                TM0MD_COUNT_ENABLE |
-                TM1MD_COUNT_ENABLE << 8;
+        TM01MD = JC_TIMER_CLKSRC |              \
+                 TM1MD_SRC_TM0CASCADE << 8 |    \
+                 TM0MD_INIT_COUNTER |           \
+                 TM1MD_INIT_COUNTER << 8;
 
-        t16 = TMJCMD;
 
-        TMJCICR |= GxICR_ENABLE | GxICR_DETECT | GxICR_REQUEST;
-        t16 = TMJCICR;
-}
+        TM01MD = JC_TIMER_CLKSRC |              \
+                 TM1MD_SRC_TM0CASCADE << 8 |    \
+                 TM0MD_COUNT_ENABLE |           \
+                 TM1MD_COUNT_ENABLE << 8;
 
-static inline void shutdown_jiffies_counter(void)
-{
+        tmp = TM01MD;
 }
 
 #endif /* !__ASSEMBLY__ */
@@ -94,29 +99,39 @@ static inline void shutdown_jiffies_counter(void)
 
 static inline void startup_timestamp_counter(void)
 {
+        u32 t32;
+
         /* set up timer 4 & 5 cascaded as a 32-bit counter to count real time
          * - count down from 4Gig-1 to 0 and wrap at IOCLK rate
          */
         TM45BR = TMTSCBR_MAX;
+        t32 = TM45BR;
 
-        TM4MD = TM4MD_SRC_IOCLK;
+        TM4MD = TSC_TIMER_CLKSRC;
         TM4MD |= TM4MD_INIT_COUNTER;
         TM4MD &= ~TM4MD_INIT_COUNTER;
         TM4ICR = 0;
+        t32 = TM4ICR;
 
         TM5MD = TM5MD_SRC_TM4CASCADE;
         TM5MD |= TM5MD_INIT_COUNTER;
         TM5MD &= ~TM5MD_INIT_COUNTER;
         TM5ICR = 0;
+        t32 = TM5ICR;
 
         TM5MD |= TM5MD_COUNT_ENABLE;
         TM4MD |= TM4MD_COUNT_ENABLE;
+        t32 = TM5MD;
+        t32 = TM4MD;
 }
 
 static inline void shutdown_timestamp_counter(void)
 {
+        u8 t8;
         TM4MD = 0;
         TM5MD = 0;
+        t8 = TM4MD;
+        t8 = TM5MD;
 }
 
 /*
@@ -127,7 +142,7 @@ typedef unsigned long cycles_t;
 
 static inline cycles_t read_timestamp_counter(void)
 {
-        return (cycles_t) TMTSCBC;
+        return (cycles_t)~TMTSCBC;
 }
 
 #endif /* !__ASSEMBLY__ */
diff --git a/arch/mn10300/unit-asb2305/pci-asb2305.c b/arch/mn10300/unit-asb2305/pci-asb2305.c
index 45b40ac6c464..8e6763e6f250 100644
--- a/arch/mn10300/unit-asb2305/pci-asb2305.c
+++ b/arch/mn10300/unit-asb2305/pci-asb2305.c
@@ -93,7 +93,7 @@ static void __init pcibios_allocate_bus_resources(struct list_head *bus_list)
         struct pci_bus *bus;
         struct pci_dev *dev;
         int idx;
-        struct resource *r, *pr;
+        struct resource *r;
 
         /* Depth-First Search on bus tree */
         list_for_each_entry(bus, bus_list, node) {
@@ -105,10 +105,8 @@ static void __init pcibios_allocate_bus_resources(struct list_head *bus_list)
                                 r = &dev->resource[idx];
                                 if (!r->flags)
                                         continue;
-                                pr = pci_find_parent_resource(dev, r);
                                 if (!r->start ||
-                                    !pr ||
-                                    request_resource(pr, r) < 0) {
+                                    pci_claim_resource(dev, idx) < 0) {
                                         printk(KERN_ERR "PCI:"
                                                " Cannot allocate resource"
                                                " region %d of bridge %s\n",
@@ -131,7 +129,7 @@ static void __init pcibios_allocate_resources(int pass)
         struct pci_dev *dev = NULL;
         int idx, disabled;
         u16 command;
-        struct resource *r, *pr;
+        struct resource *r;
 
         for_each_pci_dev(dev) {
                 pci_read_config_word(dev, PCI_COMMAND, &command);
@@ -150,8 +148,7 @@ static void __init pcibios_allocate_resources(int pass)
                                     " (f=%lx, d=%d, p=%d)\n",
                                     pci_name(dev), r->start, r->end, r->flags,
                                     disabled, pass);
-                                pr = pci_find_parent_resource(dev, r);
-                                if (!pr || request_resource(pr, r) < 0) {
+                                if (pci_claim_resource(dev, idx) < 0) {
                                         printk(KERN_ERR "PCI:"
                                                " Cannot allocate resource"
                                                " region %d of device %s\n",
@@ -184,7 +181,7 @@ static void __init pcibios_allocate_resources(int pass)
 static int __init pcibios_assign_resources(void)
 {
         struct pci_dev *dev = NULL;
-        struct resource *r, *pr;
+        struct resource *r;
 
         if (!(pci_probe & PCI_ASSIGN_ROMS)) {
                 /* Try to use BIOS settings for ROMs, otherwise let
@@ -194,8 +191,7 @@ static int __init pcibios_assign_resources(void)
                         r = &dev->resource[PCI_ROM_RESOURCE];
                         if (!r->flags || !r->start)
                                 continue;
-                        pr = pci_find_parent_resource(dev, r);
-                        if (!pr || request_resource(pr, r) < 0) {
+                        if (pci_claim_resource(dev, PCI_ROM_RESOURCE) < 0) {
                                 r->end -= r->start;
                                 r->start = 0;
                         }
diff --git a/arch/mn10300/unit-asb2305/pci.c b/arch/mn10300/unit-asb2305/pci.c
index 6d8720a0a599..a4954fe82094 100644
--- a/arch/mn10300/unit-asb2305/pci.c
+++ b/arch/mn10300/unit-asb2305/pci.c
@@ -503,7 +503,7 @@ asmlinkage void __init unit_pci_init(void)
         struct pci_ops *o = &pci_direct_ampci;
         u32 x;
 
-        set_intr_level(XIRQ1, GxICR_LEVEL_3);
+        set_intr_level(XIRQ1, NUM2GxICR_LEVEL(CONFIG_PCI_IRQ_LEVEL));
 
         memset(&bus, 0, sizeof(bus));
 
diff --git a/arch/mn10300/unit-asb2305/unit-init.c b/arch/mn10300/unit-asb2305/unit-init.c
index a76c8e0ab90f..e1becd6b7571 100644
--- a/arch/mn10300/unit-asb2305/unit-init.c
+++ b/arch/mn10300/unit-asb2305/unit-init.c
@@ -26,8 +26,10 @@ asmlinkage void __init unit_init(void)
 {
 #ifndef CONFIG_GDBSTUB_ON_TTYSx
         /* set the 16550 interrupt line to level 3 if not being used for GDB */
-        set_intr_level(XIRQ0, GxICR_LEVEL_3);
+#ifdef CONFIG_EXT_SERIAL_IRQ_LEVEL
+        set_intr_level(XIRQ0, NUM2GxICR_LEVEL(CONFIG_EXT_SERIAL_IRQ_LEVEL));
 #endif
+#endif /* CONFIG_GDBSTUB_ON_TTYSx */
 }
 
 /*
@@ -51,7 +53,7 @@ void __init unit_init_IRQ(void)
                 switch (GET_XIRQ_TRIGGER(extnum)) {
                 case XIRQ_TRIGGER_HILEVEL:
                 case XIRQ_TRIGGER_LOWLEVEL:
-                        set_intr_postackable(XIRQ2IRQ(extnum));
+                        mn10300_set_lateack_irq_type(XIRQ2IRQ(extnum));
                         break;
                 default:
                         break;