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Blackfin arch: cleanup and promote the general purpose timers api to a core blackfin component 

Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
This commit is contained in:
Mike Frysinger 2007-10-21 23:37:54 +08:00 committed by Bryan Wu
parent 29cae11372
commit 780431e397
6 changed files with 484 additions and 211 deletions
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10
arch/blackfin/Kconfig
View File

@ -788,6 +788,16 @@ config LARGE_ALLOCS
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)

15
arch/blackfin/Makefile
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@ -105,12 +105,23 @@ archclean:
$(Q)$(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

1
arch/blackfin/kernel/Makefile
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@ -9,6 +9,7 @@ obj-y := \
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

250
arch/blackfin/kernel/gptimers.c Normal file
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@ -0,0 +1,250 @@
/*
* 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");

209
include/asm-blackfin/bf5xx_timers.h
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@ -1,209 +0,0 @@
/*
* 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

210
include/asm-blackfin/gptimers.h Normal file
View File

@ -0,0 +1,210 @@
/*
* 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