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-rw-r--r--arch/arm/include/asm/gpio.h2
-rw-r--r--arch/arm/include/asm/hardware/cache-tauros2.h5
-rw-r--r--arch/arm/include/asm/hardware/iop3xx.h12
-rw-r--r--arch/arm/include/asm/io.h8
-rw-r--r--arch/arm/include/asm/mach/arch.h7
-rw-r--r--arch/arm/include/asm/mach/map.h8
-rw-r--r--arch/arm/include/asm/mach/pci.h13
-rw-r--r--arch/arm/include/asm/perf_event.h9
-rw-r--r--arch/arm/include/asm/pmu.h77
-rw-r--r--arch/arm/include/asm/smp.h48
-rw-r--r--arch/arm/include/asm/timex.h4
-rw-r--r--arch/arm/include/debug/highbank.S17
-rw-r--r--arch/arm/include/debug/icedcc.S90
-rw-r--r--arch/arm/include/debug/mvebu.S25
-rw-r--r--arch/arm/include/debug/picoxcell.S35
-rw-r--r--arch/arm/include/debug/socfpga.S16
-rw-r--r--arch/arm/include/debug/vexpress.S84
17 files changed, 380 insertions, 80 deletions
diff --git a/arch/arm/include/asm/gpio.h b/arch/arm/include/asm/gpio.h
index c402e9b31f4..477e0206e01 100644
--- a/arch/arm/include/asm/gpio.h
+++ b/arch/arm/include/asm/gpio.h
@@ -6,7 +6,9 @@
#endif
/* not all ARM platforms necessarily support this API ... */
+#ifdef CONFIG_NEED_MACH_GPIO_H
#include <mach/gpio.h>
+#endif
#ifndef __ARM_GPIOLIB_COMPLEX
/* Note: this may rely upon the value of ARCH_NR_GPIOS set in mach/gpio.h */
diff --git a/arch/arm/include/asm/hardware/cache-tauros2.h b/arch/arm/include/asm/hardware/cache-tauros2.h
index 538f17ca905..295e2e40151 100644
--- a/arch/arm/include/asm/hardware/cache-tauros2.h
+++ b/arch/arm/include/asm/hardware/cache-tauros2.h
@@ -8,4 +8,7 @@
* warranty of any kind, whether express or implied.
*/
-extern void __init tauros2_init(void);
+#define CACHE_TAUROS2_PREFETCH_ON (1 << 0)
+#define CACHE_TAUROS2_LINEFILL_BURST8 (1 << 1)
+
+extern void __init tauros2_init(unsigned int features);
diff --git a/arch/arm/include/asm/hardware/iop3xx.h b/arch/arm/include/asm/hardware/iop3xx.h
index 2ff2c75a463..02fe2fbe247 100644
--- a/arch/arm/include/asm/hardware/iop3xx.h
+++ b/arch/arm/include/asm/hardware/iop3xx.h
@@ -217,18 +217,8 @@ extern int iop3xx_get_init_atu(void);
#define IOP3XX_PCI_LOWER_MEM_PA 0x80000000
#define IOP3XX_PCI_MEM_WINDOW_SIZE 0x08000000
-#define IOP3XX_PCI_IO_WINDOW_SIZE 0x00010000
#define IOP3XX_PCI_LOWER_IO_PA 0x90000000
-#define IOP3XX_PCI_LOWER_IO_VA 0xfe000000
-#define IOP3XX_PCI_LOWER_IO_BA 0x90000000
-#define IOP3XX_PCI_UPPER_IO_PA (IOP3XX_PCI_LOWER_IO_PA +\
- IOP3XX_PCI_IO_WINDOW_SIZE - 1)
-#define IOP3XX_PCI_UPPER_IO_VA (IOP3XX_PCI_LOWER_IO_VA +\
- IOP3XX_PCI_IO_WINDOW_SIZE - 1)
-#define IOP3XX_PCI_IO_PHYS_TO_VIRT(addr) (((u32) (addr) -\
- IOP3XX_PCI_LOWER_IO_PA) +\
- IOP3XX_PCI_LOWER_IO_VA)
-
+#define IOP3XX_PCI_LOWER_IO_BA 0x00000000
#ifndef __ASSEMBLY__
diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h
index 815c669fec0..8f4db67533e 100644
--- a/arch/arm/include/asm/io.h
+++ b/arch/arm/include/asm/io.h
@@ -113,11 +113,19 @@ static inline void __iomem *__typesafe_io(unsigned long addr)
#define __iowmb() do { } while (0)
#endif
+/* PCI fixed i/o mapping */
+#define PCI_IO_VIRT_BASE 0xfee00000
+
+extern int pci_ioremap_io(unsigned int offset, phys_addr_t phys_addr);
+
/*
* Now, pick up the machine-defined IO definitions
*/
#ifdef CONFIG_NEED_MACH_IO_H
#include <mach/io.h>
+#elif defined(CONFIG_PCI)
+#define IO_SPACE_LIMIT ((resource_size_t)0xfffff)
+#define __io(a) __typesafe_io(PCI_IO_VIRT_BASE + ((a) & IO_SPACE_LIMIT))
#else
#define __io(a) __typesafe_io((a) & IO_SPACE_LIMIT)
#endif
diff --git a/arch/arm/include/asm/mach/arch.h b/arch/arm/include/asm/mach/arch.h
index 0b1c94b8c65..917d4fcfd9b 100644
--- a/arch/arm/include/asm/mach/arch.h
+++ b/arch/arm/include/asm/mach/arch.h
@@ -14,6 +14,12 @@ struct tag;
struct meminfo;
struct sys_timer;
struct pt_regs;
+struct smp_operations;
+#ifdef CONFIG_SMP
+#define smp_ops(ops) (&(ops))
+#else
+#define smp_ops(ops) (struct smp_operations *)NULL
+#endif
struct machine_desc {
unsigned int nr; /* architecture number */
@@ -35,6 +41,7 @@ struct machine_desc {
unsigned char reserve_lp1 :1; /* never has lp1 */
unsigned char reserve_lp2 :1; /* never has lp2 */
char restart_mode; /* default restart mode */
+ struct smp_operations *smp; /* SMP operations */
void (*fixup)(struct tag *, char **,
struct meminfo *);
void (*reserve)(void);/* reserve mem blocks */
diff --git a/arch/arm/include/asm/mach/map.h b/arch/arm/include/asm/mach/map.h
index a6efcdd6fd2..195ac2f9d3d 100644
--- a/arch/arm/include/asm/mach/map.h
+++ b/arch/arm/include/asm/mach/map.h
@@ -9,6 +9,9 @@
*
* Page table mapping constructs and function prototypes
*/
+#ifndef __ASM_MACH_MAP_H
+#define __ASM_MACH_MAP_H
+
#include <asm/io.h>
struct map_desc {
@@ -34,6 +37,8 @@ struct map_desc {
#ifdef CONFIG_MMU
extern void iotable_init(struct map_desc *, int);
+extern void vm_reserve_area_early(unsigned long addr, unsigned long size,
+ void *caller);
struct mem_type;
extern const struct mem_type *get_mem_type(unsigned int type);
@@ -44,4 +49,7 @@ extern int ioremap_page(unsigned long virt, unsigned long phys,
const struct mem_type *mtype);
#else
#define iotable_init(map,num) do { } while (0)
+#define vm_reserve_area_early(a,s,c) do { } while (0)
+#endif
+
#endif
diff --git a/arch/arm/include/asm/mach/pci.h b/arch/arm/include/asm/mach/pci.h
index 26c511fddf8..db9fedb57f2 100644
--- a/arch/arm/include/asm/mach/pci.h
+++ b/arch/arm/include/asm/mach/pci.h
@@ -11,6 +11,8 @@
#ifndef __ASM_MACH_PCI_H
#define __ASM_MACH_PCI_H
+#include <linux/ioport.h>
+
struct pci_sys_data;
struct pci_ops;
struct pci_bus;
@@ -42,6 +44,8 @@ struct pci_sys_data {
unsigned long io_offset; /* bus->cpu IO mapping offset */
struct pci_bus *bus; /* PCI bus */
struct list_head resources; /* root bus resources (apertures) */
+ struct resource io_res;
+ char io_res_name[12];
/* Bridge swizzling */
u8 (*swizzle)(struct pci_dev *, u8 *);
/* IRQ mapping */
@@ -55,6 +59,15 @@ struct pci_sys_data {
void pci_common_init(struct hw_pci *);
/*
+ * Setup early fixed I/O mapping.
+ */
+#if defined(CONFIG_PCI)
+extern void pci_map_io_early(unsigned long pfn);
+#else
+static inline void pci_map_io_early(unsigned long pfn) {}
+#endif
+
+/*
* PCI controllers
*/
extern struct pci_ops iop3xx_ops;
diff --git a/arch/arm/include/asm/perf_event.h b/arch/arm/include/asm/perf_event.h
index e074948d814..625cd621a43 100644
--- a/arch/arm/include/asm/perf_event.h
+++ b/arch/arm/include/asm/perf_event.h
@@ -12,6 +12,13 @@
#ifndef __ARM_PERF_EVENT_H__
#define __ARM_PERF_EVENT_H__
-/* Nothing to see here... */
+/*
+ * The ARMv7 CPU PMU supports up to 32 event counters.
+ */
+#define ARMPMU_MAX_HWEVENTS 32
+
+#define HW_OP_UNSUPPORTED 0xFFFF
+#define C(_x) PERF_COUNT_HW_CACHE_##_x
+#define CACHE_OP_UNSUPPORTED 0xFFFF
#endif /* __ARM_PERF_EVENT_H__ */
diff --git a/arch/arm/include/asm/pmu.h b/arch/arm/include/asm/pmu.h
index 4432305f4a2..a26170dce02 100644
--- a/arch/arm/include/asm/pmu.h
+++ b/arch/arm/include/asm/pmu.h
@@ -16,69 +16,30 @@
#include <linux/perf_event.h>
/*
- * Types of PMUs that can be accessed directly and require mutual
- * exclusion between profiling tools.
- */
-enum arm_pmu_type {
- ARM_PMU_DEVICE_CPU = 0,
- ARM_NUM_PMU_DEVICES,
-};
-
-/*
* struct arm_pmu_platdata - ARM PMU platform data
*
* @handle_irq: an optional handler which will be called from the
* interrupt and passed the address of the low level handler,
* and can be used to implement any platform specific handling
* before or after calling it.
- * @enable_irq: an optional handler which will be called after
- * request_irq and be used to handle some platform specific
- * irq enablement
- * @disable_irq: an optional handler which will be called before
- * free_irq and be used to handle some platform specific
- * irq disablement
+ * @runtime_resume: an optional handler which will be called by the
+ * runtime PM framework following a call to pm_runtime_get().
+ * Note that if pm_runtime_get() is called more than once in
+ * succession this handler will only be called once.
+ * @runtime_suspend: an optional handler which will be called by the
+ * runtime PM framework following a call to pm_runtime_put().
+ * Note that if pm_runtime_get() is called more than once in
+ * succession this handler will only be called following the
+ * final call to pm_runtime_put() that actually disables the
+ * hardware.
*/
struct arm_pmu_platdata {
irqreturn_t (*handle_irq)(int irq, void *dev,
irq_handler_t pmu_handler);
- void (*enable_irq)(int irq);
- void (*disable_irq)(int irq);
+ int (*runtime_resume)(struct device *dev);
+ int (*runtime_suspend)(struct device *dev);
};
-#ifdef CONFIG_CPU_HAS_PMU
-
-/**
- * reserve_pmu() - reserve the hardware performance counters
- *
- * Reserve the hardware performance counters in the system for exclusive use.
- * Returns 0 on success or -EBUSY if the lock is already held.
- */
-extern int
-reserve_pmu(enum arm_pmu_type type);
-
-/**
- * release_pmu() - Relinquish control of the performance counters
- *
- * Release the performance counters and allow someone else to use them.
- */
-extern void
-release_pmu(enum arm_pmu_type type);
-
-#else /* CONFIG_CPU_HAS_PMU */
-
-#include <linux/err.h>
-
-static inline int
-reserve_pmu(enum arm_pmu_type type)
-{
- return -ENODEV;
-}
-
-static inline void
-release_pmu(enum arm_pmu_type type) { }
-
-#endif /* CONFIG_CPU_HAS_PMU */
-
#ifdef CONFIG_HW_PERF_EVENTS
/* The events for a given PMU register set. */
@@ -103,7 +64,6 @@ struct pmu_hw_events {
struct arm_pmu {
struct pmu pmu;
- enum arm_pmu_type type;
cpumask_t active_irqs;
char *name;
irqreturn_t (*handle_irq)(int irq_num, void *dev);
@@ -118,6 +78,8 @@ struct arm_pmu {
void (*start)(void);
void (*stop)(void);
void (*reset)(void *);
+ int (*request_irq)(irq_handler_t handler);
+ void (*free_irq)(void);
int (*map_event)(struct perf_event *event);
int num_events;
atomic_t active_events;
@@ -129,7 +91,9 @@ struct arm_pmu {
#define to_arm_pmu(p) (container_of(p, struct arm_pmu, pmu))
-int __init armpmu_register(struct arm_pmu *armpmu, char *name, int type);
+extern const struct dev_pm_ops armpmu_dev_pm_ops;
+
+int armpmu_register(struct arm_pmu *armpmu, char *name, int type);
u64 armpmu_event_update(struct perf_event *event,
struct hw_perf_event *hwc,
@@ -139,6 +103,13 @@ int armpmu_event_set_period(struct perf_event *event,
struct hw_perf_event *hwc,
int idx);
+int armpmu_map_event(struct perf_event *event,
+ const unsigned (*event_map)[PERF_COUNT_HW_MAX],
+ const unsigned (*cache_map)[PERF_COUNT_HW_CACHE_MAX]
+ [PERF_COUNT_HW_CACHE_OP_MAX]
+ [PERF_COUNT_HW_CACHE_RESULT_MAX],
+ u32 raw_event_mask);
+
#endif /* CONFIG_HW_PERF_EVENTS */
#endif /* __ARM_PMU_H__ */
diff --git a/arch/arm/include/asm/smp.h b/arch/arm/include/asm/smp.h
index ae29293270a..2e3be16c676 100644
--- a/arch/arm/include/asm/smp.h
+++ b/arch/arm/include/asm/smp.h
@@ -60,15 +60,6 @@ extern int boot_secondary(unsigned int cpu, struct task_struct *);
*/
asmlinkage void secondary_start_kernel(void);
-/*
- * Perform platform specific initialisation of the specified CPU.
- */
-extern void platform_secondary_init(unsigned int cpu);
-
-/*
- * Initialize cpu_possible map, and enable coherency
- */
-extern void platform_smp_prepare_cpus(unsigned int);
/*
* Initial data for bringing up a secondary CPU.
@@ -79,18 +70,47 @@ struct secondary_data {
void *stack;
};
extern struct secondary_data secondary_data;
+extern volatile int pen_release;
extern int __cpu_disable(void);
-extern int platform_cpu_disable(unsigned int cpu);
extern void __cpu_die(unsigned int cpu);
extern void cpu_die(void);
-extern void platform_cpu_die(unsigned int cpu);
-extern int platform_cpu_kill(unsigned int cpu);
-extern void platform_cpu_enable(unsigned int cpu);
-
extern void arch_send_call_function_single_ipi(int cpu);
extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
+struct smp_operations {
+#ifdef CONFIG_SMP
+ /*
+ * Setup the set of possible CPUs (via set_cpu_possible)
+ */
+ void (*smp_init_cpus)(void);
+ /*
+ * Initialize cpu_possible map, and enable coherency
+ */
+ void (*smp_prepare_cpus)(unsigned int max_cpus);
+
+ /*
+ * Perform platform specific initialisation of the specified CPU.
+ */
+ void (*smp_secondary_init)(unsigned int cpu);
+ /*
+ * Boot a secondary CPU, and assign it the specified idle task.
+ * This also gives us the initial stack to use for this CPU.
+ */
+ int (*smp_boot_secondary)(unsigned int cpu, struct task_struct *idle);
+#ifdef CONFIG_HOTPLUG_CPU
+ int (*cpu_kill)(unsigned int cpu);
+ void (*cpu_die)(unsigned int cpu);
+ int (*cpu_disable)(unsigned int cpu);
+#endif
+#endif
+};
+
+/*
+ * set platform specific SMP operations
+ */
+extern void smp_set_ops(struct smp_operations *);
+
#endif /* ifndef __ASM_ARM_SMP_H */
diff --git a/arch/arm/include/asm/timex.h b/arch/arm/include/asm/timex.h
index ce119442277..963342acebb 100644
--- a/arch/arm/include/asm/timex.h
+++ b/arch/arm/include/asm/timex.h
@@ -13,7 +13,11 @@
#define _ASMARM_TIMEX_H
#include <asm/arch_timer.h>
+#ifdef CONFIG_ARCH_MULTIPLATFORM
+#define CLOCK_TICK_RATE 1000000
+#else
#include <mach/timex.h>
+#endif
typedef unsigned long cycles_t;
diff --git a/arch/arm/include/debug/highbank.S b/arch/arm/include/debug/highbank.S
new file mode 100644
index 00000000000..8cad4322a5a
--- /dev/null
+++ b/arch/arm/include/debug/highbank.S
@@ -0,0 +1,17 @@
+/*
+ * Debugging macro include header
+ *
+ * Copyright (C) 1994-1999 Russell King
+ * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
+ *
+ * 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.
+ */
+
+ .macro addruart,rp,rv,tmp
+ ldr \rv, =0xfee36000
+ ldr \rp, =0xfff36000
+ .endm
+
+#include <asm/hardware/debug-pl01x.S>
diff --git a/arch/arm/include/debug/icedcc.S b/arch/arm/include/debug/icedcc.S
new file mode 100644
index 00000000000..43afcb021fa
--- /dev/null
+++ b/arch/arm/include/debug/icedcc.S
@@ -0,0 +1,90 @@
+/*
+ * arch/arm/include/debug/icedcc.S
+ *
+ * Copyright (C) 1994-1999 Russell King
+ *
+ * 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.
+ *
+ */
+
+ @@ debug using ARM EmbeddedICE DCC channel
+
+ .macro addruart, rp, rv, tmp
+ .endm
+
+#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K) || defined(CONFIG_CPU_V7)
+
+ .macro senduart, rd, rx
+ mcr p14, 0, \rd, c0, c5, 0
+ .endm
+
+ .macro busyuart, rd, rx
+1001:
+ mrc p14, 0, \rx, c0, c1, 0
+ tst \rx, #0x20000000
+ beq 1001b
+ .endm
+
+ .macro waituart, rd, rx
+ mov \rd, #0x2000000
+1001:
+ subs \rd, \rd, #1
+ bmi 1002f
+ mrc p14, 0, \rx, c0, c1, 0
+ tst \rx, #0x20000000
+ bne 1001b
+1002:
+ .endm
+
+#elif defined(CONFIG_CPU_XSCALE)
+
+ .macro senduart, rd, rx
+ mcr p14, 0, \rd, c8, c0, 0
+ .endm
+
+ .macro busyuart, rd, rx
+1001:
+ mrc p14, 0, \rx, c14, c0, 0
+ tst \rx, #0x10000000
+ beq 1001b
+ .endm
+
+ .macro waituart, rd, rx
+ mov \rd, #0x10000000
+1001:
+ subs \rd, \rd, #1
+ bmi 1002f
+ mrc p14, 0, \rx, c14, c0, 0
+ tst \rx, #0x10000000
+ bne 1001b
+1002:
+ .endm
+
+#else
+
+ .macro senduart, rd, rx
+ mcr p14, 0, \rd, c1, c0, 0
+ .endm
+
+ .macro busyuart, rd, rx
+1001:
+ mrc p14, 0, \rx, c0, c0, 0
+ tst \rx, #2
+ beq 1001b
+
+ .endm
+
+ .macro waituart, rd, rx
+ mov \rd, #0x2000000
+1001:
+ subs \rd, \rd, #1
+ bmi 1002f
+ mrc p14, 0, \rx, c0, c0, 0
+ tst \rx, #2
+ bne 1001b
+1002:
+ .endm
+
+#endif /* CONFIG_CPU_V6 */
diff --git a/arch/arm/include/debug/mvebu.S b/arch/arm/include/debug/mvebu.S
new file mode 100644
index 00000000000..865c6d02b33
--- /dev/null
+++ b/arch/arm/include/debug/mvebu.S
@@ -0,0 +1,25 @@
+/*
+ * Early serial output macro for Marvell SoC
+ *
+ * Copyright (C) 2012 Marvell
+ *
+ * Lior Amsalem <alior@marvell.com>
+ * Gregory Clement <gregory.clement@free-electrons.com>
+ *
+ * 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.
+*/
+
+#define ARMADA_370_XP_REGS_PHYS_BASE 0xd0000000
+#define ARMADA_370_XP_REGS_VIRT_BASE 0xfeb00000
+
+ .macro addruart, rp, rv, tmp
+ ldr \rp, =ARMADA_370_XP_REGS_PHYS_BASE
+ ldr \rv, =ARMADA_370_XP_REGS_VIRT_BASE
+ orr \rp, \rp, #0x00012000
+ orr \rv, \rv, #0x00012000
+ .endm
+
+#define UART_SHIFT 2
+#include <asm/hardware/debug-8250.S>
diff --git a/arch/arm/include/debug/picoxcell.S b/arch/arm/include/debug/picoxcell.S
new file mode 100644
index 00000000000..7419deb1b94
--- /dev/null
+++ b/arch/arm/include/debug/picoxcell.S
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2011 Picochip Ltd., Jamie Iles
+ *
+ * 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.
+ *
+ * Derived from arch/arm/mach-davinci/include/mach/debug-macro.S to use 32-bit
+ * accesses to the 8250.
+ */
+#include <linux/serial_reg.h>
+
+#define UART_SHIFT 2
+#define PICOXCELL_UART1_BASE 0x80230000
+#define PHYS_TO_IO(x) (((x) & 0x00ffffff) | 0xfe000000)
+
+ .macro addruart, rp, rv, tmp
+ ldr \rv, =PHYS_TO_IO(PICOXCELL_UART1_BASE)
+ ldr \rp, =PICOXCELL_UART1_BASE
+ .endm
+
+ .macro senduart,rd,rx
+ str \rd, [\rx, #UART_TX << UART_SHIFT]
+ .endm
+
+ .macro busyuart,rd,rx
+1002: ldr \rd, [\rx, #UART_LSR << UART_SHIFT]
+ and \rd, \rd, #UART_LSR_TEMT | UART_LSR_THRE
+ teq \rd, #UART_LSR_TEMT | UART_LSR_THRE
+ bne 1002b
+ .endm
+
+ /* The UART's don't have any flow control IO's wired up. */
+ .macro waituart,rd,rx
+ .endm
diff --git a/arch/arm/include/debug/socfpga.S b/arch/arm/include/debug/socfpga.S
new file mode 100644
index 00000000000..d6f26d23374
--- /dev/null
+++ b/arch/arm/include/debug/socfpga.S
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) 1994-1999 Russell King
+ * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
+ *
+ * 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.
+ */
+
+ .macro addruart, rp, rv, tmp
+ mov \rp, #DEBUG_LL_UART_OFFSET
+ orr \rp, \rp, #0x00c00000
+ orr \rv, \rp, #0xfe000000 @ virtual base
+ orr \rp, \rp, #0xff000000 @ physical base
+ .endm
+
diff --git a/arch/arm/include/debug/vexpress.S b/arch/arm/include/debug/vexpress.S
new file mode 100644
index 00000000000..9f509f55d07
--- /dev/null
+++ b/arch/arm/include/debug/vexpress.S
@@ -0,0 +1,84 @@
+/* arch/arm/mach-realview/include/mach/debug-macro.S
+ *
+ * Debugging macro include header
+ *
+ * Copyright (C) 1994-1999 Russell King
+ * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
+ *
+ * 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.
+ */
+
+#define DEBUG_LL_PHYS_BASE 0x10000000
+#define DEBUG_LL_UART_OFFSET 0x00009000
+
+#define DEBUG_LL_PHYS_BASE_RS1 0x1c000000
+#define DEBUG_LL_UART_OFFSET_RS1 0x00090000
+
+#define DEBUG_LL_VIRT_BASE 0xf8000000
+
+#if defined(CONFIG_DEBUG_VEXPRESS_UART0_DETECT)
+
+ .macro addruart,rp,rv,tmp
+
+ @ Make an educated guess regarding the memory map:
+ @ - the original A9 core tile, which has MPCore peripherals
+ @ located at 0x1e000000, should use UART at 0x10009000
+ @ - all other (RS1 complaint) tiles use UART mapped
+ @ at 0x1c090000
+ mrc p15, 4, \tmp, c15, c0, 0
+ cmp \tmp, #0x1e000000
+
+ @ Original memory map
+ moveq \rp, #DEBUG_LL_UART_OFFSET
+ orreq \rv, \rp, #DEBUG_LL_VIRT_BASE
+ orreq \rp, \rp, #DEBUG_LL_PHYS_BASE
+
+ @ RS1 memory map
+ movne \rp, #DEBUG_LL_UART_OFFSET_RS1
+ orrne \rv, \rp, #DEBUG_LL_VIRT_BASE
+ orrne \rp, \rp, #DEBUG_LL_PHYS_BASE_RS1
+
+ .endm
+
+#include <asm/hardware/debug-pl01x.S>
+
+#elif defined(CONFIG_DEBUG_VEXPRESS_UART0_CA9)
+
+ .macro addruart,rp,rv,tmp
+ mov \rp, #DEBUG_LL_UART_OFFSET
+ orr \rv, \rp, #DEBUG_LL_VIRT_BASE
+ orr \rp, \rp, #DEBUG_LL_PHYS_BASE
+ .endm
+
+#include <asm/hardware/debug-pl01x.S>
+
+#elif defined(CONFIG_DEBUG_VEXPRESS_UART0_RS1)
+
+ .macro addruart,rp,rv,tmp
+ mov \rp, #DEBUG_LL_UART_OFFSET_RS1
+ orr \rv, \rp, #DEBUG_LL_VIRT_BASE
+ orr \rp, \rp, #DEBUG_LL_PHYS_BASE_RS1
+ .endm
+
+#include <asm/hardware/debug-pl01x.S>
+
+#else /* CONFIG_DEBUG_LL_UART_NONE */
+
+ .macro addruart, rp, rv, tmp
+ /* Safe dummy values */
+ mov \rp, #0
+ mov \rv, #DEBUG_LL_VIRT_BASE
+ .endm
+
+ .macro senduart,rd,rx
+ .endm
+
+ .macro waituart,rd,rx
+ .endm
+
+ .macro busyuart,rd,rx
+ .endm
+
+#endif