7 files changed, 217 insertions, 9 deletions

diff --git a/arch/arm/include/asm/hardware/cache-tauros2.h b/arch/arm/include/asm/hardware/cache-tauros2.h
new file mode 100644
index 000000000000..538f17ca905b
--- /dev/null
+++ b/arch/arm/include/asm/hardware/cache-tauros2.h
@@ -0,0 +1,11 @@
+/*
+ * arch/arm/include/asm/hardware/cache-tauros2.h
+ *
+ * Copyright (C) 2008 Marvell Semiconductor
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+extern void __init tauros2_init(void);
diff --git a/arch/arm/include/asm/hardware/coresight.h b/arch/arm/include/asm/hardware/coresight.h
new file mode 100644
index 000000000000..f82b25d4f73e
--- /dev/null
+++ b/arch/arm/include/asm/hardware/coresight.h
@@ -0,0 +1,165 @@
+/*
+ * linux/arch/arm/include/asm/hardware/coresight.h
+ *
+ * CoreSight components' registers
+ *
+ * Copyright (C) 2009 Nokia Corporation.
+ * Alexander Shishkin
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __ASM_HARDWARE_CORESIGHT_H
+#define __ASM_HARDWARE_CORESIGHT_H
+
+#define TRACER_ACCESSED_BIT     0
+#define TRACER_RUNNING_BIT      1
+#define TRACER_CYCLE_ACC_BIT    2
+#define TRACER_ACCESSED         BIT(TRACER_ACCESSED_BIT)
+#define TRACER_RUNNING          BIT(TRACER_RUNNING_BIT)
+#define TRACER_CYCLE_ACC        BIT(TRACER_CYCLE_ACC_BIT)
+
+struct tracectx {
+        unsigned int    etb_bufsz;
+        void __iomem    *etb_regs;
+        void __iomem    *etm_regs;
+        unsigned long   flags;
+        int             ncmppairs;
+        int             etm_portsz;
+        struct device   *dev;
+        struct clk      *emu_clk;
+        struct mutex    mutex;
+};
+
+#define TRACER_TIMEOUT 10000
+
+#define etm_writel(t, v, x) \
+        (__raw_writel((v), (t)->etm_regs + (x)))
+#define etm_readl(t, x) (__raw_readl((t)->etm_regs + (x)))
+
+/* CoreSight Management Registers */
+#define CSMR_LOCKACCESS 0xfb0
+#define CSMR_LOCKSTATUS 0xfb4
+#define CSMR_AUTHSTATUS 0xfb8
+#define CSMR_DEVID      0xfc8
+#define CSMR_DEVTYPE    0xfcc
+/* CoreSight Component Registers */
+#define CSCR_CLASS      0xff4
+
+#define CSCR_PRSR       0x314
+
+#define UNLOCK_MAGIC    0xc5acce55
+
+/* ETM control register, "ETM Architecture", 3.3.1 */
+#define ETMR_CTRL               0
+#define ETMCTRL_POWERDOWN       1
+#define ETMCTRL_PROGRAM         (1 << 10)
+#define ETMCTRL_PORTSEL         (1 << 11)
+#define ETMCTRL_DO_CONTEXTID    (3 << 14)
+#define ETMCTRL_PORTMASK1       (7 << 4)
+#define ETMCTRL_PORTMASK2       (1 << 21)
+#define ETMCTRL_PORTMASK        (ETMCTRL_PORTMASK1 | ETMCTRL_PORTMASK2)
+#define ETMCTRL_PORTSIZE(x) ((((x) & 7) << 4) | (!!((x) & 8)) << 21)
+#define ETMCTRL_DO_CPRT         (1 << 1)
+#define ETMCTRL_DATAMASK        (3 << 2)
+#define ETMCTRL_DATA_DO_DATA    (1 << 2)
+#define ETMCTRL_DATA_DO_ADDR    (1 << 3)
+#define ETMCTRL_DATA_DO_BOTH    (ETMCTRL_DATA_DO_DATA | ETMCTRL_DATA_DO_ADDR)
+#define ETMCTRL_BRANCH_OUTPUT   (1 << 8)
+#define ETMCTRL_CYCLEACCURATE   (1 << 12)
+
+/* ETM configuration code register */
+#define ETMR_CONFCODE           (0x04)
+
+/* ETM trace start/stop resource control register */
+#define ETMR_TRACESSCTRL        (0x18)
+
+/* ETM trigger event register */
+#define ETMR_TRIGEVT            (0x08)
+
+/* address access type register bits, "ETM architecture",
+ * table 3-27 */
+/* - access type */
+#define ETMAAT_IFETCH           0
+#define ETMAAT_IEXEC            1
+#define ETMAAT_IEXECPASS        2
+#define ETMAAT_IEXECFAIL        3
+#define ETMAAT_DLOADSTORE       4
+#define ETMAAT_DLOAD            5
+#define ETMAAT_DSTORE           6
+/* - comparison access size */
+#define ETMAAT_JAVA             (0 << 3)
+#define ETMAAT_THUMB            (1 << 3)
+#define ETMAAT_ARM              (3 << 3)
+/* - data value comparison control */
+#define ETMAAT_NOVALCMP         (0 << 5)
+#define ETMAAT_VALMATCH         (1 << 5)
+#define ETMAAT_VALNOMATCH       (3 << 5)
+/* - exact match */
+#define ETMAAT_EXACTMATCH       (1 << 7)
+/* - context id comparator control */
+#define ETMAAT_IGNCONTEXTID     (0 << 8)
+#define ETMAAT_VALUE1           (1 << 8)
+#define ETMAAT_VALUE2           (2 << 8)
+#define ETMAAT_VALUE3           (3 << 8)
+/* - security level control */
+#define ETMAAT_IGNSECURITY      (0 << 10)
+#define ETMAAT_NSONLY           (1 << 10)
+#define ETMAAT_SONLY            (2 << 10)
+
+#define ETMR_COMP_VAL(x)        (0x40 + (x) * 4)
+#define ETMR_COMP_ACC_TYPE(x)   (0x80 + (x) * 4)
+
+/* ETM status register, "ETM Architecture", 3.3.2 */
+#define ETMR_STATUS             (0x10)
+#define ETMST_OVERFLOW          (1 << 0)
+#define ETMST_PROGBIT           (1 << 1)
+#define ETMST_STARTSTOP         (1 << 2)
+#define ETMST_TRIGGER           (1 << 3)
+
+#define etm_progbit(t)          (etm_readl((t), ETMR_STATUS) & ETMST_PROGBIT)
+#define etm_started(t)          (etm_readl((t), ETMR_STATUS) & ETMST_STARTSTOP)
+#define etm_triggered(t)        (etm_readl((t), ETMR_STATUS) & ETMST_TRIGGER)
+
+#define ETMR_TRACEENCTRL2       0x1c
+#define ETMR_TRACEENCTRL        0x24
+#define ETMTE_INCLEXCL          (1 << 24)
+#define ETMR_TRACEENEVT         0x20
+#define ETMCTRL_OPTS            (ETMCTRL_DO_CPRT | \
+                                ETMCTRL_DATA_DO_ADDR | \
+                                ETMCTRL_BRANCH_OUTPUT | \
+                                ETMCTRL_DO_CONTEXTID)
+
+/* ETB registers, "CoreSight Components TRM", 9.3 */
+#define ETBR_DEPTH              0x04
+#define ETBR_STATUS             0x0c
+#define ETBR_READMEM            0x10
+#define ETBR_READADDR           0x14
+#define ETBR_WRITEADDR          0x18
+#define ETBR_TRIGGERCOUNT       0x1c
+#define ETBR_CTRL               0x20
+#define ETBR_FORMATTERCTRL      0x304
+#define ETBFF_ENFTC             1
+#define ETBFF_ENFCONT           (1 << 1)
+#define ETBFF_FONFLIN           (1 << 4)
+#define ETBFF_MANUAL_FLUSH      (1 << 6)
+#define ETBFF_TRIGIN            (1 << 8)
+#define ETBFF_TRIGEVT           (1 << 9)
+#define ETBFF_TRIGFL            (1 << 10)
+
+#define etb_writel(t, v, x) \
+        (__raw_writel((v), (t)->etb_regs + (x)))
+#define etb_readl(t, x) (__raw_readl((t)->etb_regs + (x)))
+
+#define etm_lock(t) do { etm_writel((t), 0, CSMR_LOCKACCESS); } while (0)
+#define etm_unlock(t) \
+        do { etm_writel((t), UNLOCK_MAGIC, CSMR_LOCKACCESS); } while (0)
+
+#define etb_lock(t) do { etb_writel((t), 0, CSMR_LOCKACCESS); } while (0)
+#define etb_unlock(t) \
+        do { etb_writel((t), UNLOCK_MAGIC, CSMR_LOCKACCESS); } while (0)
+
+#endif /* __ASM_HARDWARE_CORESIGHT_H */
+
diff --git a/arch/arm/include/asm/hardware/iop3xx-adma.h b/arch/arm/include/asm/hardware/iop3xx-adma.h
index 1a8c7279a28b..9b28f1243bdc 100644
--- a/arch/arm/include/asm/hardware/iop3xx-adma.h
+++ b/arch/arm/include/asm/hardware/iop3xx-adma.h
@@ -366,8 +366,7 @@ static inline int iop_chan_xor_slot_count(size_t len, int src_cnt,
                 slot_cnt += *slots_per_op;
         }
 
-        if (len)
-                slot_cnt += *slots_per_op;
+        slot_cnt += *slots_per_op;
 
         return slot_cnt;
 }
@@ -389,8 +388,7 @@ static inline int iop_chan_zero_sum_slot_count(size_t len, int src_cnt,
                 slot_cnt += *slots_per_op;
         }
 
-        if (len)
-                slot_cnt += *slots_per_op;
+        slot_cnt += *slots_per_op;
 
         return slot_cnt;
 }
@@ -737,10 +735,8 @@ iop_desc_set_zero_sum_byte_count(struct iop_adma_desc_slot *desc, u32 len)
                         i += slots_per_op;
                 } while (len > IOP_ADMA_ZERO_SUM_MAX_BYTE_COUNT);
 
-                if (len) {
-                        iter = iop_hw_desc_slot_idx(hw_desc, i);
-                        iter->byte_count = len;
-                }
+                iter = iop_hw_desc_slot_idx(hw_desc, i);
+                iter->byte_count = len;
         }
 }
 
diff --git a/arch/arm/include/asm/hardware/iop3xx.h b/arch/arm/include/asm/hardware/iop3xx.h
index 8d60ad267e3a..5daea2961d48 100644
--- a/arch/arm/include/asm/hardware/iop3xx.h
+++ b/arch/arm/include/asm/hardware/iop3xx.h
@@ -234,7 +234,13 @@ extern int iop3xx_get_init_atu(void);
 void iop3xx_map_io(void);
 void iop_init_cp6_handler(void);
 void iop_init_time(unsigned long tickrate);
-unsigned long iop_gettimeoffset(void);
+
+static inline u32 read_tmr0(void)
+{
+        u32 val;
+        asm volatile("mrc p6, 0, %0, c0, c1, 0" : "=r" (val));
+        return val;
+}
 
 static inline void write_tmr0(u32 val)
 {
@@ -253,6 +259,11 @@ static inline u32 read_tcr0(void)
         return val;
 }
 
+static inline void write_tcr0(u32 val)
+{
+        asm volatile("mcr p6, 0, %0, c2, c1, 0" : : "r" (val));
+}
+
 static inline u32 read_tcr1(void)
 {
         u32 val;
@@ -260,6 +271,11 @@ static inline u32 read_tcr1(void)
         return val;
 }
 
+static inline void write_tcr1(u32 val)
+{
+        asm volatile("mcr p6, 0, %0, c3, c1, 0" : : "r" (val));
+}
+
 static inline void write_trr0(u32 val)
 {
         asm volatile("mcr p6, 0, %0, c4, c1, 0" : : "r" (val));
diff --git a/arch/arm/include/asm/hardware/it8152.h b/arch/arm/include/asm/hardware/it8152.h
index 74b5fff7f575..6700c7fc7ebd 100644
--- a/arch/arm/include/asm/hardware/it8152.h
+++ b/arch/arm/include/asm/hardware/it8152.h
@@ -75,6 +75,18 @@ extern unsigned long it8152_base_address;
   IT8152_PD_IRQ(1)  USB (USBR)
   IT8152_PD_IRQ(0)  Audio controller (ACR)
  */
+#define IT8152_IRQ(x)   (IRQ_BOARD_END + (x))
+
+/* IRQ-sources in 3 groups - local devices, LPC (serial), and external PCI */
+#define IT8152_LD_IRQ_COUNT     9
+#define IT8152_LP_IRQ_COUNT     16
+#define IT8152_PD_IRQ_COUNT     15
+
+/* Priorities: */
+#define IT8152_PD_IRQ(i)        IT8152_IRQ(i)
+#define IT8152_LP_IRQ(i)        (IT8152_IRQ(i) + IT8152_PD_IRQ_COUNT)
+#define IT8152_LD_IRQ(i)        (IT8152_IRQ(i) + IT8152_PD_IRQ_COUNT + IT8152_LP_IRQ_COUNT)
+
 /* frequently used interrupts */
 #define IT8152_PCISERR          IT8152_PD_IRQ(14)
 #define IT8152_H2PTADR          IT8152_PD_IRQ(13)
diff --git a/arch/arm/include/asm/hardware/locomo.h b/arch/arm/include/asm/hardware/locomo.h
index 954b1be991b4..74e51d6bd93f 100644
--- a/arch/arm/include/asm/hardware/locomo.h
+++ b/arch/arm/include/asm/hardware/locomo.h
@@ -214,4 +214,8 @@ void locomo_m62332_senddata(struct locomo_dev *ldev, unsigned int dac_data, int
 /* Frontlight control */
 void locomo_frontlight_set(struct locomo_dev *dev, int duty, int vr, int bpwf);
 
+struct locomo_platform_data {
+        int     irq_base;       /* IRQ base for cascaded on-chip IRQs */
+};
+
 #endif
diff --git a/arch/arm/include/asm/hardware/sa1111.h b/arch/arm/include/asm/hardware/sa1111.h
index 5da2595759e5..92ed254c175b 100644
--- a/arch/arm/include/asm/hardware/sa1111.h
+++ b/arch/arm/include/asm/hardware/sa1111.h
@@ -578,4 +578,8 @@ void sa1111_set_io_dir(struct sa1111_dev *sadev, unsigned int bits, unsigned int
 void sa1111_set_io(struct sa1111_dev *sadev, unsigned int bits, unsigned int v);
 void sa1111_set_sleep_io(struct sa1111_dev *sadev, unsigned int bits, unsigned int v);
 
+struct sa1111_platform_data {
+        int     irq_base;       /* base for cascaded on-chip IRQs */
+};
+
 #endif  /* _ASM_ARCH_SA1111 */