a lot of RAM, and you need to able to allocate very large
contiguous chunks. If unsure, say N.
+config BFIN_GPTIMERS
+ tristate "Enable Blackfin General Purpose Timers API"
+ default n
+ help
+ Enable support for the General Purpose Timers API. If you
+ are unsure, say N.
+
+ To compile this driver as a module, choose M here: the module
+ will be called gptimers.ko.
+
config BFIN_DMA_5XX
bool "Enable DMA Support"
depends on (BF52x || BF53x || BF561 || BF54x)
$(Q)$(MAKE) $(clean)=$(boot)
-all: vmImage
boot := arch/$(ARCH)/boot
BOOT_TARGETS = vmImage
-.PHONY: $(BOOT_TARGETS)
+PHONY += $(BOOT_TARGETS) install
+KBUILD_IMAGE := $(boot)/vmImage
+
+all: vmImage
+
$(BOOT_TARGETS): vmlinux
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
+
+install:
+ $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install
+
define archhelp
echo '* vmImage - Kernel-only image for U-Boot (arch/$(ARCH)/boot/vmImage)'
+ echo ' install - Install kernel using'
+ echo ' (your) ~/bin/$(CROSS_COMPILE)installkernel or'
+ echo ' (distribution) PATH: $(CROSS_COMPILE)installkernel or'
+ echo ' install to $$(INSTALL_PATH)'
endef
sys_bfin.o time.o traps.o irqchip.o dma-mapping.o flat.o \
fixed_code.o cplbinit.o cacheinit.o reboot.o bfin_gpio.o
+obj-$(CONFIG_BFIN_GPTIMERS) += gptimers.o
obj-$(CONFIG_MODULES) += module.o
obj-$(CONFIG_BFIN_DMA_5XX) += bfin_dma_5xx.o
obj-$(CONFIG_DUAL_CORE_TEST_MODULE) += dualcore_test.o
--- /dev/null
+/*
+ * bfin_gptimers.c - derived from bf53x_timers.c
+ * Driver for General Purpose Timer functions on the Blackfin processor
+ *
+ * Copyright (C) 2005 John DeHority
+ * Copyright (C) 2006 Hella Aglaia GmbH (awe@aglaia-gmbh.de)
+ *
+ * Licensed under the GPLv2.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+
+#include <asm/io.h>
+#include <asm/blackfin.h>
+#include <asm/gptimers.h>
+
+#ifdef DEBUG
+# define tassert(expr)
+#else
+# define tassert(expr) \
+ if (!(expr)) \
+ printk(KERN_DEBUG "%s:%s:%i: Assertion failed: " #expr "\n", \
+ __FILE__, __func__, __LINE__);
+#endif
+
+#define BFIN_TIMER_NUM_GROUP (BFIN_TIMER_OCTET(MAX_BLACKFIN_GPTIMERS - 1) + 1)
+
+typedef struct {
+ uint16_t config;
+ uint16_t __pad;
+ uint32_t counter;
+ uint32_t period;
+ uint32_t width;
+} GPTIMER_timer_regs;
+
+typedef struct {
+ uint16_t enable;
+ uint16_t __pad0;
+ uint16_t disable;
+ uint16_t __pad1;
+ uint32_t status;
+} GPTIMER_group_regs;
+
+static volatile GPTIMER_timer_regs *const timer_regs[MAX_BLACKFIN_GPTIMERS] =
+{
+ (GPTIMER_timer_regs *)TIMER0_CONFIG,
+ (GPTIMER_timer_regs *)TIMER1_CONFIG,
+ (GPTIMER_timer_regs *)TIMER2_CONFIG,
+#if (MAX_BLACKFIN_GPTIMERS > 3)
+ (GPTIMER_timer_regs *)TIMER3_CONFIG,
+ (GPTIMER_timer_regs *)TIMER4_CONFIG,
+ (GPTIMER_timer_regs *)TIMER5_CONFIG,
+ (GPTIMER_timer_regs *)TIMER6_CONFIG,
+ (GPTIMER_timer_regs *)TIMER7_CONFIG,
+#endif
+#if (MAX_BLACKFIN_GPTIMERS > 8)
+ (GPTIMER_timer_regs *)TIMER8_CONFIG,
+ (GPTIMER_timer_regs *)TIMER9_CONFIG,
+ (GPTIMER_timer_regs *)TIMER10_CONFIG,
+ (GPTIMER_timer_regs *)TIMER11_CONFIG,
+#endif
+};
+
+static volatile GPTIMER_group_regs *const group_regs[BFIN_TIMER_NUM_GROUP] =
+{
+ (GPTIMER_group_regs *)TIMER0_GROUP_REG,
+#if (MAX_BLACKFIN_GPTIMERS > 8)
+ (GPTIMER_group_regs *)TIMER8_GROUP_REG,
+#endif
+};
+
+static uint32_t const dis_mask[MAX_BLACKFIN_GPTIMERS] =
+{
+ TIMER_STATUS_TRUN0,
+ TIMER_STATUS_TRUN1,
+ TIMER_STATUS_TRUN2,
+#if (MAX_BLACKFIN_GPTIMERS > 3)
+ TIMER_STATUS_TRUN3,
+ TIMER_STATUS_TRUN4,
+ TIMER_STATUS_TRUN5,
+ TIMER_STATUS_TRUN6,
+ TIMER_STATUS_TRUN7,
+#endif
+#if (MAX_BLACKFIN_GPTIMERS > 8)
+ TIMER_STATUS_TRUN8,
+ TIMER_STATUS_TRUN9,
+ TIMER_STATUS_TRUN10,
+ TIMER_STATUS_TRUN11,
+#endif
+};
+
+static uint32_t const irq_mask[MAX_BLACKFIN_GPTIMERS] =
+{
+ TIMER_STATUS_TIMIL0,
+ TIMER_STATUS_TIMIL1,
+ TIMER_STATUS_TIMIL2,
+#if (MAX_BLACKFIN_GPTIMERS > 3)
+ TIMER_STATUS_TIMIL3,
+ TIMER_STATUS_TIMIL4,
+ TIMER_STATUS_TIMIL5,
+ TIMER_STATUS_TIMIL6,
+ TIMER_STATUS_TIMIL7,
+#endif
+#if (MAX_BLACKFIN_GPTIMERS > 8)
+ TIMER_STATUS_TIMIL8,
+ TIMER_STATUS_TIMIL9,
+ TIMER_STATUS_TIMIL10,
+ TIMER_STATUS_TIMIL11,
+#endif
+};
+
+void set_gptimer_pwidth(int timer_id, uint32_t value)
+{
+ tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
+ timer_regs[timer_id]->width = value;
+ SSYNC();
+}
+EXPORT_SYMBOL(set_gptimer_pwidth);
+
+uint32_t get_gptimer_pwidth(int timer_id)
+{
+ tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
+ return timer_regs[timer_id]->width;
+}
+EXPORT_SYMBOL(get_gptimer_pwidth);
+
+void set_gptimer_period(int timer_id, uint32_t period)
+{
+ tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
+ timer_regs[timer_id]->period = period;
+ SSYNC();
+}
+EXPORT_SYMBOL(set_gptimer_period);
+
+uint32_t get_gptimer_period(int timer_id)
+{
+ tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
+ return timer_regs[timer_id]->period;
+}
+EXPORT_SYMBOL(get_gptimer_period);
+
+uint32_t get_gptimer_count(int timer_id)
+{
+ tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
+ return timer_regs[timer_id]->counter;
+}
+EXPORT_SYMBOL(get_gptimer_count);
+
+uint32_t get_gptimer_status(int group)
+{
+ tassert(group < BFIN_TIMER_NUM_GROUP);
+ return group_regs[group]->status;
+}
+EXPORT_SYMBOL(get_gptimer_status);
+
+void set_gptimer_status(int group, uint32_t value)
+{
+ tassert(group < BFIN_TIMER_NUM_GROUP);
+ group_regs[group]->status = value;
+ SSYNC();
+}
+EXPORT_SYMBOL(set_gptimer_status);
+
+uint16_t get_gptimer_intr(int timer_id)
+{
+ tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
+ return (group_regs[BFIN_TIMER_OCTET(timer_id)]->status & irq_mask[timer_id]) ? 1 : 0;
+}
+EXPORT_SYMBOL(get_gptimer_intr);
+
+void clear_gptimer_intr(int timer_id)
+{
+ tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
+ group_regs[BFIN_TIMER_OCTET(timer_id)]->status = irq_mask[timer_id];
+}
+EXPORT_SYMBOL(clear_gptimer_intr);
+
+void set_gptimer_config(int timer_id, uint16_t config)
+{
+ tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
+ timer_regs[timer_id]->config = config;
+ SSYNC();
+}
+EXPORT_SYMBOL(set_gptimer_config);
+
+uint16_t get_gptimer_config(int timer_id)
+{
+ tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
+ return timer_regs[timer_id]->config;
+}
+EXPORT_SYMBOL(get_gptimer_config);
+
+void enable_gptimers(uint16_t mask)
+{
+ int i;
+ tassert((mask & ~BLACKFIN_GPTIMER_IDMASK) == 0);
+ for (i = 0; i < BFIN_TIMER_NUM_GROUP; ++i) {
+ group_regs[i]->enable = mask & 0xFF;
+ mask >>= 8;
+ }
+ SSYNC();
+}
+EXPORT_SYMBOL(enable_gptimers);
+
+void disable_gptimers(uint16_t mask)
+{
+ int i;
+ uint16_t m = mask;
+ tassert((mask & ~BLACKFIN_GPTIMER_IDMASK) == 0);
+ for (i = 0; i < BFIN_TIMER_NUM_GROUP; ++i) {
+ group_regs[i]->disable = m & 0xFF;
+ m >>= 8;
+ }
+ for (i = 0; i < MAX_BLACKFIN_GPTIMERS; ++i)
+ if (mask & (1 << i))
+ group_regs[BFIN_TIMER_OCTET(i)]->status |= dis_mask[i];
+ SSYNC();
+}
+EXPORT_SYMBOL(disable_gptimers);
+
+void set_gptimer_pulse_hi(int timer_id)
+{
+ tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
+ timer_regs[timer_id]->config |= TIMER_PULSE_HI;
+ SSYNC();
+}
+EXPORT_SYMBOL(set_gptimer_pulse_hi);
+
+void clear_gptimer_pulse_hi(int timer_id)
+{
+ tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
+ timer_regs[timer_id]->config &= ~TIMER_PULSE_HI;
+ SSYNC();
+}
+EXPORT_SYMBOL(clear_gptimer_pulse_hi);
+
+uint16_t get_enabled_gptimers(void)
+{
+ int i;
+ uint16_t result = 0;
+ for (i = 0; i < BFIN_TIMER_NUM_GROUP; ++i)
+ result |= (group_regs[i]->enable << (i << 3));
+ return result;
+}
+EXPORT_SYMBOL(get_enabled_gptimers);
+
+MODULE_AUTHOR("Axel Weiss (awe@aglaia-gmbh.de)");
+MODULE_DESCRIPTION("Blackfin General Purpose Timers API");
+MODULE_LICENSE("GPL");
+++ /dev/null
-/*
- * include/asm/bf5xx_timers.h
- *
- * This file contains the major Data structures and constants
- * used for General Purpose Timer Implementation in BF5xx
- *
- * Copyright (C) 2005 John DeHority
- * Copyright (C) 2006 Hella Aglaia GmbH (awe@aglaia-gmbh.de)
- *
- */
-
-#ifndef _BLACKFIN_TIMERS_H_
-#define _BLACKFIN_TIMERS_H_
-
-#undef MAX_BLACKFIN_GPTIMERS
-/*
- * BF537: 8 timers:
- */
-#if defined(BF527_FAMILY) || defined(BF537_FAMILY)
-# define MAX_BLACKFIN_GPTIMERS 8
-# define TIMER0_GROUP_REG TIMER_ENABLE
-#endif
-/*
- * BF561: 12 timers:
- */
-#if defined(CONFIG_BF561)
-# define MAX_BLACKFIN_GPTIMERS 12
-# define TIMER0_GROUP_REG TMRS8_ENABLE
-# define TIMER8_GROUP_REG TMRS4_ENABLE
-#endif
-/*
- * All others: 3 timers:
- */
-#if !defined(MAX_BLACKFIN_GPTIMERS)
-# define MAX_BLACKFIN_GPTIMERS 3
-# define TIMER0_GROUP_REG TIMER_ENABLE
-#endif
-
-#define BLACKFIN_GPTIMER_IDMASK ((1UL << MAX_BLACKFIN_GPTIMERS) - 1)
-#define BFIN_TIMER_OCTET(x) ((x) >> 3)
-
-/* used in masks for timer_enable() and timer_disable() */
-#define TIMER0bit 0x0001 /* 0001b */
-#define TIMER1bit 0x0002 /* 0010b */
-#define TIMER2bit 0x0004 /* 0100b */
-
-#if (MAX_BLACKFIN_GPTIMERS > 3)
-# define TIMER3bit 0x0008
-# define TIMER4bit 0x0010
-# define TIMER5bit 0x0020
-# define TIMER6bit 0x0040
-# define TIMER7bit 0x0080
-#endif
-
-#if (MAX_BLACKFIN_GPTIMERS > 8)
-# define TIMER8bit 0x0100
-# define TIMER9bit 0x0200
-# define TIMER10bit 0x0400
-# define TIMER11bit 0x0800
-#endif
-
-#define TIMER0_id 0
-#define TIMER1_id 1
-#define TIMER2_id 2
-
-#if (MAX_BLACKFIN_GPTIMERS > 3)
-# define TIMER3_id 3
-# define TIMER4_id 4
-# define TIMER5_id 5
-# define TIMER6_id 6
-# define TIMER7_id 7
-#endif
-
-#if (MAX_BLACKFIN_GPTIMERS > 8)
-# define TIMER8_id 8
-# define TIMER9_id 9
-# define TIMER10_id 10
-# define TIMER11_id 11
-#endif
-
-/* associated timers for ppi framesync: */
-
-#if defined(CONFIG_BF561)
-# define FS0_1_TIMER_ID TIMER8_id
-# define FS0_2_TIMER_ID TIMER9_id
-# define FS1_1_TIMER_ID TIMER10_id
-# define FS1_2_TIMER_ID TIMER11_id
-# define FS0_1_TIMER_BIT TIMER8bit
-# define FS0_2_TIMER_BIT TIMER9bit
-# define FS1_1_TIMER_BIT TIMER10bit
-# define FS1_2_TIMER_BIT TIMER11bit
-# undef FS1_TIMER_ID
-# undef FS2_TIMER_ID
-# undef FS1_TIMER_BIT
-# undef FS2_TIMER_BIT
-#else
-# define FS1_TIMER_ID TIMER0_id
-# define FS2_TIMER_ID TIMER1_id
-# define FS1_TIMER_BIT TIMER0bit
-# define FS2_TIMER_BIT TIMER1bit
-#endif
-
-/*
-** Timer Configuration Register Bits
-*/
-#define TIMER_ERR 0xC000
-#define TIMER_ERR_OVFL 0x4000
-#define TIMER_ERR_PROG_PER 0x8000
-#define TIMER_ERR_PROG_PW 0xC000
-#define TIMER_EMU_RUN 0x0200
-#define TIMER_TOGGLE_HI 0x0100
-#define TIMER_CLK_SEL 0x0080
-#define TIMER_OUT_DIS 0x0040
-#define TIMER_TIN_SEL 0x0020
-#define TIMER_IRQ_ENA 0x0010
-#define TIMER_PERIOD_CNT 0x0008
-#define TIMER_PULSE_HI 0x0004
-#define TIMER_MODE 0x0003
-#define TIMER_MODE_PWM 0x0001
-#define TIMER_MODE_WDTH 0x0002
-#define TIMER_MODE_EXT_CLK 0x0003
-
-/*
-** Timer Status Register Bits
-*/
-#define TIMER_STATUS_TIMIL0 0x0001
-#define TIMER_STATUS_TIMIL1 0x0002
-#define TIMER_STATUS_TIMIL2 0x0004
-#if (MAX_BLACKFIN_GPTIMERS > 3)
-# define TIMER_STATUS_TIMIL3 0x00000008
-# define TIMER_STATUS_TIMIL4 0x00010000
-# define TIMER_STATUS_TIMIL5 0x00020000
-# define TIMER_STATUS_TIMIL6 0x00040000
-# define TIMER_STATUS_TIMIL7 0x00080000
-# if (MAX_BLACKFIN_GPTIMERS > 8)
-# define TIMER_STATUS_TIMIL8 0x0001
-# define TIMER_STATUS_TIMIL9 0x0002
-# define TIMER_STATUS_TIMIL10 0x0004
-# define TIMER_STATUS_TIMIL11 0x0008
-# endif
-# define TIMER_STATUS_INTR 0x000F000F
-#else
-# define TIMER_STATUS_INTR 0x0007 /* any timer interrupt */
-#endif
-
-#define TIMER_STATUS_TOVF0 0x0010 /* timer 0 overflow error */
-#define TIMER_STATUS_TOVF1 0x0020
-#define TIMER_STATUS_TOVF2 0x0040
-#if (MAX_BLACKFIN_GPTIMERS > 3)
-# define TIMER_STATUS_TOVF3 0x00000080
-# define TIMER_STATUS_TOVF4 0x00100000
-# define TIMER_STATUS_TOVF5 0x00200000
-# define TIMER_STATUS_TOVF6 0x00400000
-# define TIMER_STATUS_TOVF7 0x00800000
-# if (MAX_BLACKFIN_GPTIMERS > 8)
-# define TIMER_STATUS_TOVF8 0x0010
-# define TIMER_STATUS_TOVF9 0x0020
-# define TIMER_STATUS_TOVF10 0x0040
-# define TIMER_STATUS_TOVF11 0x0080
-# endif
-# define TIMER_STATUS_OFLOW 0x00F000F0
-#else
-# define TIMER_STATUS_OFLOW 0x0070 /* any timer overflow */
-#endif
-
-/*
-** Timer Slave Enable Status : write 1 to clear
-*/
-#define TIMER_STATUS_TRUN0 0x1000
-#define TIMER_STATUS_TRUN1 0x2000
-#define TIMER_STATUS_TRUN2 0x4000
-#if (MAX_BLACKFIN_GPTIMERS > 3)
-# define TIMER_STATUS_TRUN3 0x00008000
-# define TIMER_STATUS_TRUN4 0x10000000
-# define TIMER_STATUS_TRUN5 0x20000000
-# define TIMER_STATUS_TRUN6 0x40000000
-# define TIMER_STATUS_TRUN7 0x80000000
-# define TIMER_STATUS_TRUN 0xF000F000
-# if (MAX_BLACKFIN_GPTIMERS > 8)
-# define TIMER_STATUS_TRUN8 0x1000
-# define TIMER_STATUS_TRUN9 0x2000
-# define TIMER_STATUS_TRUN10 0x4000
-# define TIMER_STATUS_TRUN11 0x8000
-# endif
-#else
-# define TIMER_STATUS_TRUN 0x7000
-#endif
-
-/*******************************************************************************
-* GP_TIMER API's
-*******************************************************************************/
-
-void set_gptimer_pwidth (int timer_id, int width);
-int get_gptimer_pwidth (int timer_id);
-void set_gptimer_period (int timer_id, int period);
-int get_gptimer_period (int timer_id);
-int get_gptimer_count (int timer_id);
-short get_gptimer_intr (int timer_id);
-void set_gptimer_config (int timer_id, short config);
-short get_gptimer_config (int timer_id);
-void set_gptimer_pulse_hi (int timer_id);
-void clear_gptimer_pulse_hi(int timer_id);
-void enable_gptimers (short mask);
-void disable_gptimers (short mask);
-short get_enabled_timers (void);
-int get_gptimer_status (int octet);
-void set_gptimer_status (int octet, int value);
-
-#endif
--- /dev/null
+/*
+ * include/asm/bf5xx_timers.h
+ *
+ * This file contains the major Data structures and constants
+ * used for General Purpose Timer Implementation in BF5xx
+ *
+ * Copyright (C) 2005 John DeHority
+ * Copyright (C) 2006 Hella Aglaia GmbH (awe@aglaia-gmbh.de)
+ *
+ */
+
+#ifndef _BLACKFIN_TIMERS_H_
+#define _BLACKFIN_TIMERS_H_
+
+#include <linux/types.h>
+#include <asm/blackfin.h>
+
+/*
+ * BF537/BF527: 8 timers:
+ */
+#if defined(BF527_FAMILY) || defined(BF537_FAMILY)
+# define MAX_BLACKFIN_GPTIMERS 8
+# define TIMER0_GROUP_REG TIMER_ENABLE
+#endif
+/*
+ * BF561: 12 timers:
+ */
+#if defined(CONFIG_BF561)
+# define MAX_BLACKFIN_GPTIMERS 12
+# define TIMER0_GROUP_REG TMRS8_ENABLE
+# define TIMER8_GROUP_REG TMRS4_ENABLE
+#endif
+/*
+ * All others: 3 timers:
+ */
+#if !defined(MAX_BLACKFIN_GPTIMERS)
+# define MAX_BLACKFIN_GPTIMERS 3
+# define TIMER0_GROUP_REG TIMER_ENABLE
+#endif
+
+#define BLACKFIN_GPTIMER_IDMASK ((1UL << MAX_BLACKFIN_GPTIMERS) - 1)
+#define BFIN_TIMER_OCTET(x) ((x) >> 3)
+
+/* used in masks for timer_enable() and timer_disable() */
+#define TIMER0bit 0x0001 /* 0001b */
+#define TIMER1bit 0x0002 /* 0010b */
+#define TIMER2bit 0x0004 /* 0100b */
+
+#if (MAX_BLACKFIN_GPTIMERS > 3)
+# define TIMER3bit 0x0008
+# define TIMER4bit 0x0010
+# define TIMER5bit 0x0020
+# define TIMER6bit 0x0040
+# define TIMER7bit 0x0080
+#endif
+
+#if (MAX_BLACKFIN_GPTIMERS > 8)
+# define TIMER8bit 0x0100
+# define TIMER9bit 0x0200
+# define TIMER10bit 0x0400
+# define TIMER11bit 0x0800
+#endif
+
+#define TIMER0_id 0
+#define TIMER1_id 1
+#define TIMER2_id 2
+
+#if (MAX_BLACKFIN_GPTIMERS > 3)
+# define TIMER3_id 3
+# define TIMER4_id 4
+# define TIMER5_id 5
+# define TIMER6_id 6
+# define TIMER7_id 7
+#endif
+
+#if (MAX_BLACKFIN_GPTIMERS > 8)
+# define TIMER8_id 8
+# define TIMER9_id 9
+# define TIMER10_id 10
+# define TIMER11_id 11
+#endif
+
+/* associated timers for ppi framesync: */
+
+#if defined(CONFIG_BF561)
+# define FS0_1_TIMER_ID TIMER8_id
+# define FS0_2_TIMER_ID TIMER9_id
+# define FS1_1_TIMER_ID TIMER10_id
+# define FS1_2_TIMER_ID TIMER11_id
+# define FS0_1_TIMER_BIT TIMER8bit
+# define FS0_2_TIMER_BIT TIMER9bit
+# define FS1_1_TIMER_BIT TIMER10bit
+# define FS1_2_TIMER_BIT TIMER11bit
+# undef FS1_TIMER_ID
+# undef FS2_TIMER_ID
+# undef FS1_TIMER_BIT
+# undef FS2_TIMER_BIT
+#else
+# define FS1_TIMER_ID TIMER0_id
+# define FS2_TIMER_ID TIMER1_id
+# define FS1_TIMER_BIT TIMER0bit
+# define FS2_TIMER_BIT TIMER1bit
+#endif
+
+/*
+ * Timer Configuration Register Bits
+ */
+#define TIMER_ERR 0xC000
+#define TIMER_ERR_OVFL 0x4000
+#define TIMER_ERR_PROG_PER 0x8000
+#define TIMER_ERR_PROG_PW 0xC000
+#define TIMER_EMU_RUN 0x0200
+#define TIMER_TOGGLE_HI 0x0100
+#define TIMER_CLK_SEL 0x0080
+#define TIMER_OUT_DIS 0x0040
+#define TIMER_TIN_SEL 0x0020
+#define TIMER_IRQ_ENA 0x0010
+#define TIMER_PERIOD_CNT 0x0008
+#define TIMER_PULSE_HI 0x0004
+#define TIMER_MODE 0x0003
+#define TIMER_MODE_PWM 0x0001
+#define TIMER_MODE_WDTH 0x0002
+#define TIMER_MODE_EXT_CLK 0x0003
+
+/*
+ * Timer Status Register Bits
+ */
+#define TIMER_STATUS_TIMIL0 0x0001
+#define TIMER_STATUS_TIMIL1 0x0002
+#define TIMER_STATUS_TIMIL2 0x0004
+#if (MAX_BLACKFIN_GPTIMERS > 3)
+# define TIMER_STATUS_TIMIL3 0x00000008
+# define TIMER_STATUS_TIMIL4 0x00010000
+# define TIMER_STATUS_TIMIL5 0x00020000
+# define TIMER_STATUS_TIMIL6 0x00040000
+# define TIMER_STATUS_TIMIL7 0x00080000
+# if (MAX_BLACKFIN_GPTIMERS > 8)
+# define TIMER_STATUS_TIMIL8 0x0001
+# define TIMER_STATUS_TIMIL9 0x0002
+# define TIMER_STATUS_TIMIL10 0x0004
+# define TIMER_STATUS_TIMIL11 0x0008
+# endif
+# define TIMER_STATUS_INTR 0x000F000F
+#else
+# define TIMER_STATUS_INTR 0x0007 /* any timer interrupt */
+#endif
+
+#define TIMER_STATUS_TOVF0 0x0010 /* timer 0 overflow error */
+#define TIMER_STATUS_TOVF1 0x0020
+#define TIMER_STATUS_TOVF2 0x0040
+#if (MAX_BLACKFIN_GPTIMERS > 3)
+# define TIMER_STATUS_TOVF3 0x00000080
+# define TIMER_STATUS_TOVF4 0x00100000
+# define TIMER_STATUS_TOVF5 0x00200000
+# define TIMER_STATUS_TOVF6 0x00400000
+# define TIMER_STATUS_TOVF7 0x00800000
+# if (MAX_BLACKFIN_GPTIMERS > 8)
+# define TIMER_STATUS_TOVF8 0x0010
+# define TIMER_STATUS_TOVF9 0x0020
+# define TIMER_STATUS_TOVF10 0x0040
+# define TIMER_STATUS_TOVF11 0x0080
+# endif
+# define TIMER_STATUS_OFLOW 0x00F000F0
+#else
+# define TIMER_STATUS_OFLOW 0x0070 /* any timer overflow */
+#endif
+
+/*
+ * Timer Slave Enable Status : write 1 to clear
+ */
+#define TIMER_STATUS_TRUN0 0x1000
+#define TIMER_STATUS_TRUN1 0x2000
+#define TIMER_STATUS_TRUN2 0x4000
+#if (MAX_BLACKFIN_GPTIMERS > 3)
+# define TIMER_STATUS_TRUN3 0x00008000
+# define TIMER_STATUS_TRUN4 0x10000000
+# define TIMER_STATUS_TRUN5 0x20000000
+# define TIMER_STATUS_TRUN6 0x40000000
+# define TIMER_STATUS_TRUN7 0x80000000
+# define TIMER_STATUS_TRUN 0xF000F000
+# if (MAX_BLACKFIN_GPTIMERS > 8)
+# define TIMER_STATUS_TRUN8 0x1000
+# define TIMER_STATUS_TRUN9 0x2000
+# define TIMER_STATUS_TRUN10 0x4000
+# define TIMER_STATUS_TRUN11 0x8000
+# endif
+#else
+# define TIMER_STATUS_TRUN 0x7000
+#endif
+
+/* The actual gptimer API */
+
+void set_gptimer_pwidth (int timer_id, uint32_t width);
+uint32_t get_gptimer_pwidth (int timer_id);
+void set_gptimer_period (int timer_id, uint32_t period);
+uint32_t get_gptimer_period (int timer_id);
+uint32_t get_gptimer_count (int timer_id);
+uint16_t get_gptimer_intr (int timer_id);
+void clear_gptimer_intr (int timer_id);
+void set_gptimer_config (int timer_id, uint16_t config);
+uint16_t get_gptimer_config (int timer_id);
+void set_gptimer_pulse_hi (int timer_id);
+void clear_gptimer_pulse_hi(int timer_id);
+void enable_gptimers (uint16_t mask);
+void disable_gptimers (uint16_t mask);
+uint16_t get_enabled_gptimers (void);
+uint32_t get_gptimer_status (int group);
+void set_gptimer_status (int group, uint32_t value);
+
+#endif
projects / cascardo / linux.git / commitdiff