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
Bryan Wu
parent
29cae11372
commit
780431e397
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@ -788,6 +788,16 @@ config LARGE_ALLOCS
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a lot of RAM, and you need to able to allocate very large
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contiguous chunks. If unsure, say N.
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config BFIN_GPTIMERS
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tristate "Enable Blackfin General Purpose Timers API"
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default n
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help
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Enable support for the General Purpose Timers API. If you
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are unsure, say N.
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To compile this driver as a module, choose M here: the module
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will be called gptimers.ko.
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config BFIN_DMA_5XX
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bool "Enable DMA Support"
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depends on (BF52x || BF53x || BF561 || BF54x)
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@ -105,12 +105,23 @@ archclean:
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$(Q)$(MAKE) $(clean)=$(boot)
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all: vmImage
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boot := arch/$(ARCH)/boot
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BOOT_TARGETS = vmImage
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.PHONY: $(BOOT_TARGETS)
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PHONY += $(BOOT_TARGETS) install
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KBUILD_IMAGE := $(boot)/vmImage
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all: vmImage
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$(BOOT_TARGETS): vmlinux
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$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
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install:
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$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install
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define archhelp
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echo '* vmImage - Kernel-only image for U-Boot (arch/$(ARCH)/boot/vmImage)'
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echo ' install - Install kernel using'
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echo ' (your) ~/bin/$(CROSS_COMPILE)installkernel or'
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echo ' (distribution) PATH: $(CROSS_COMPILE)installkernel or'
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echo ' install to $$(INSTALL_PATH)'
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endef
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@ -9,6 +9,7 @@ obj-y := \
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sys_bfin.o time.o traps.o irqchip.o dma-mapping.o flat.o \
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fixed_code.o cplbinit.o cacheinit.o reboot.o bfin_gpio.o
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obj-$(CONFIG_BFIN_GPTIMERS) += gptimers.o
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obj-$(CONFIG_MODULES) += module.o
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obj-$(CONFIG_BFIN_DMA_5XX) += bfin_dma_5xx.o
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obj-$(CONFIG_DUAL_CORE_TEST_MODULE) += dualcore_test.o
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@ -0,0 +1,250 @@
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/*
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* bfin_gptimers.c - derived from bf53x_timers.c
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* Driver for General Purpose Timer functions on the Blackfin processor
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*
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* Copyright (C) 2005 John DeHority
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* Copyright (C) 2006 Hella Aglaia GmbH (awe@aglaia-gmbh.de)
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*
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* Licensed under the GPLv2.
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <asm/io.h>
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#include <asm/blackfin.h>
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#include <asm/gptimers.h>
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#ifdef DEBUG
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# define tassert(expr)
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#else
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# define tassert(expr) \
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if (!(expr)) \
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printk(KERN_DEBUG "%s:%s:%i: Assertion failed: " #expr "\n", \
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__FILE__, __func__, __LINE__);
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#endif
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#define BFIN_TIMER_NUM_GROUP (BFIN_TIMER_OCTET(MAX_BLACKFIN_GPTIMERS - 1) + 1)
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typedef struct {
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uint16_t config;
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uint16_t __pad;
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uint32_t counter;
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uint32_t period;
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uint32_t width;
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} GPTIMER_timer_regs;
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typedef struct {
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uint16_t enable;
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uint16_t __pad0;
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uint16_t disable;
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uint16_t __pad1;
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uint32_t status;
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} GPTIMER_group_regs;
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static volatile GPTIMER_timer_regs *const timer_regs[MAX_BLACKFIN_GPTIMERS] =
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{
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(GPTIMER_timer_regs *)TIMER0_CONFIG,
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(GPTIMER_timer_regs *)TIMER1_CONFIG,
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(GPTIMER_timer_regs *)TIMER2_CONFIG,
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#if (MAX_BLACKFIN_GPTIMERS > 3)
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(GPTIMER_timer_regs *)TIMER3_CONFIG,
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(GPTIMER_timer_regs *)TIMER4_CONFIG,
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(GPTIMER_timer_regs *)TIMER5_CONFIG,
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(GPTIMER_timer_regs *)TIMER6_CONFIG,
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(GPTIMER_timer_regs *)TIMER7_CONFIG,
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#endif
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#if (MAX_BLACKFIN_GPTIMERS > 8)
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(GPTIMER_timer_regs *)TIMER8_CONFIG,
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(GPTIMER_timer_regs *)TIMER9_CONFIG,
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(GPTIMER_timer_regs *)TIMER10_CONFIG,
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(GPTIMER_timer_regs *)TIMER11_CONFIG,
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#endif
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};
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static volatile GPTIMER_group_regs *const group_regs[BFIN_TIMER_NUM_GROUP] =
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{
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(GPTIMER_group_regs *)TIMER0_GROUP_REG,
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#if (MAX_BLACKFIN_GPTIMERS > 8)
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(GPTIMER_group_regs *)TIMER8_GROUP_REG,
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#endif
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};
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static uint32_t const dis_mask[MAX_BLACKFIN_GPTIMERS] =
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{
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TIMER_STATUS_TRUN0,
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TIMER_STATUS_TRUN1,
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TIMER_STATUS_TRUN2,
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#if (MAX_BLACKFIN_GPTIMERS > 3)
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TIMER_STATUS_TRUN3,
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TIMER_STATUS_TRUN4,
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TIMER_STATUS_TRUN5,
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TIMER_STATUS_TRUN6,
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TIMER_STATUS_TRUN7,
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#endif
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#if (MAX_BLACKFIN_GPTIMERS > 8)
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TIMER_STATUS_TRUN8,
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TIMER_STATUS_TRUN9,
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TIMER_STATUS_TRUN10,
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TIMER_STATUS_TRUN11,
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#endif
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};
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static uint32_t const irq_mask[MAX_BLACKFIN_GPTIMERS] =
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{
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TIMER_STATUS_TIMIL0,
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TIMER_STATUS_TIMIL1,
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TIMER_STATUS_TIMIL2,
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#if (MAX_BLACKFIN_GPTIMERS > 3)
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TIMER_STATUS_TIMIL3,
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TIMER_STATUS_TIMIL4,
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TIMER_STATUS_TIMIL5,
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TIMER_STATUS_TIMIL6,
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TIMER_STATUS_TIMIL7,
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#endif
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#if (MAX_BLACKFIN_GPTIMERS > 8)
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TIMER_STATUS_TIMIL8,
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TIMER_STATUS_TIMIL9,
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TIMER_STATUS_TIMIL10,
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TIMER_STATUS_TIMIL11,
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#endif
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};
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void set_gptimer_pwidth(int timer_id, uint32_t value)
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{
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tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
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timer_regs[timer_id]->width = value;
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SSYNC();
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}
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EXPORT_SYMBOL(set_gptimer_pwidth);
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uint32_t get_gptimer_pwidth(int timer_id)
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{
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tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
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return timer_regs[timer_id]->width;
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}
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EXPORT_SYMBOL(get_gptimer_pwidth);
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void set_gptimer_period(int timer_id, uint32_t period)
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{
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tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
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timer_regs[timer_id]->period = period;
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SSYNC();
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}
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EXPORT_SYMBOL(set_gptimer_period);
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uint32_t get_gptimer_period(int timer_id)
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{
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tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
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return timer_regs[timer_id]->period;
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}
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EXPORT_SYMBOL(get_gptimer_period);
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uint32_t get_gptimer_count(int timer_id)
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{
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tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
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return timer_regs[timer_id]->counter;
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}
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EXPORT_SYMBOL(get_gptimer_count);
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uint32_t get_gptimer_status(int group)
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{
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tassert(group < BFIN_TIMER_NUM_GROUP);
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return group_regs[group]->status;
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}
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EXPORT_SYMBOL(get_gptimer_status);
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void set_gptimer_status(int group, uint32_t value)
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{
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tassert(group < BFIN_TIMER_NUM_GROUP);
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group_regs[group]->status = value;
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SSYNC();
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}
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EXPORT_SYMBOL(set_gptimer_status);
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uint16_t get_gptimer_intr(int timer_id)
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{
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tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
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return (group_regs[BFIN_TIMER_OCTET(timer_id)]->status & irq_mask[timer_id]) ? 1 : 0;
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}
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EXPORT_SYMBOL(get_gptimer_intr);
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void clear_gptimer_intr(int timer_id)
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{
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tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
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group_regs[BFIN_TIMER_OCTET(timer_id)]->status = irq_mask[timer_id];
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}
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EXPORT_SYMBOL(clear_gptimer_intr);
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void set_gptimer_config(int timer_id, uint16_t config)
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{
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tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
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timer_regs[timer_id]->config = config;
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SSYNC();
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}
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EXPORT_SYMBOL(set_gptimer_config);
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uint16_t get_gptimer_config(int timer_id)
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{
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tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
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return timer_regs[timer_id]->config;
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}
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EXPORT_SYMBOL(get_gptimer_config);
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void enable_gptimers(uint16_t mask)
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{
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int i;
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tassert((mask & ~BLACKFIN_GPTIMER_IDMASK) == 0);
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for (i = 0; i < BFIN_TIMER_NUM_GROUP; ++i) {
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group_regs[i]->enable = mask & 0xFF;
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mask >>= 8;
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}
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SSYNC();
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}
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EXPORT_SYMBOL(enable_gptimers);
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void disable_gptimers(uint16_t mask)
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{
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int i;
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uint16_t m = mask;
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tassert((mask & ~BLACKFIN_GPTIMER_IDMASK) == 0);
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for (i = 0; i < BFIN_TIMER_NUM_GROUP; ++i) {
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group_regs[i]->disable = m & 0xFF;
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m >>= 8;
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}
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for (i = 0; i < MAX_BLACKFIN_GPTIMERS; ++i)
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if (mask & (1 << i))
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group_regs[BFIN_TIMER_OCTET(i)]->status |= dis_mask[i];
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SSYNC();
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}
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EXPORT_SYMBOL(disable_gptimers);
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void set_gptimer_pulse_hi(int timer_id)
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{
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tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
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timer_regs[timer_id]->config |= TIMER_PULSE_HI;
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SSYNC();
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}
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EXPORT_SYMBOL(set_gptimer_pulse_hi);
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void clear_gptimer_pulse_hi(int timer_id)
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{
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tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
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timer_regs[timer_id]->config &= ~TIMER_PULSE_HI;
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SSYNC();
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}
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EXPORT_SYMBOL(clear_gptimer_pulse_hi);
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uint16_t get_enabled_gptimers(void)
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{
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int i;
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uint16_t result = 0;
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for (i = 0; i < BFIN_TIMER_NUM_GROUP; ++i)
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result |= (group_regs[i]->enable << (i << 3));
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return result;
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}
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EXPORT_SYMBOL(get_enabled_gptimers);
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MODULE_AUTHOR("Axel Weiss (awe@aglaia-gmbh.de)");
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MODULE_DESCRIPTION("Blackfin General Purpose Timers API");
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MODULE_LICENSE("GPL");
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@ -1,209 +0,0 @@
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/*
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* include/asm/bf5xx_timers.h
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*
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* This file contains the major Data structures and constants
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* used for General Purpose Timer Implementation in BF5xx
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*
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* Copyright (C) 2005 John DeHority
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* Copyright (C) 2006 Hella Aglaia GmbH (awe@aglaia-gmbh.de)
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*
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*/
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#ifndef _BLACKFIN_TIMERS_H_
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#define _BLACKFIN_TIMERS_H_
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#undef MAX_BLACKFIN_GPTIMERS
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/*
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* BF537: 8 timers:
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*/
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#if defined(BF527_FAMILY) || defined(BF537_FAMILY)
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# define MAX_BLACKFIN_GPTIMERS 8
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# define TIMER0_GROUP_REG TIMER_ENABLE
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#endif
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/*
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* BF561: 12 timers:
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*/
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#if defined(CONFIG_BF561)
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# define MAX_BLACKFIN_GPTIMERS 12
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# define TIMER0_GROUP_REG TMRS8_ENABLE
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# define TIMER8_GROUP_REG TMRS4_ENABLE
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#endif
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/*
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* All others: 3 timers:
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*/
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#if !defined(MAX_BLACKFIN_GPTIMERS)
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# define MAX_BLACKFIN_GPTIMERS 3
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# define TIMER0_GROUP_REG TIMER_ENABLE
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#endif
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#define BLACKFIN_GPTIMER_IDMASK ((1UL << MAX_BLACKFIN_GPTIMERS) - 1)
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#define BFIN_TIMER_OCTET(x) ((x) >> 3)
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/* used in masks for timer_enable() and timer_disable() */
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#define TIMER0bit 0x0001 /* 0001b */
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#define TIMER1bit 0x0002 /* 0010b */
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#define TIMER2bit 0x0004 /* 0100b */
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#if (MAX_BLACKFIN_GPTIMERS > 3)
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# define TIMER3bit 0x0008
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# define TIMER4bit 0x0010
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# define TIMER5bit 0x0020
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# define TIMER6bit 0x0040
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# define TIMER7bit 0x0080
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#endif
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#if (MAX_BLACKFIN_GPTIMERS > 8)
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# define TIMER8bit 0x0100
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# define TIMER9bit 0x0200
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# define TIMER10bit 0x0400
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# define TIMER11bit 0x0800
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#endif
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#define TIMER0_id 0
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#define TIMER1_id 1
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#define TIMER2_id 2
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#if (MAX_BLACKFIN_GPTIMERS > 3)
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# define TIMER3_id 3
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# define TIMER4_id 4
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# define TIMER5_id 5
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# define TIMER6_id 6
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# define TIMER7_id 7
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#endif
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#if (MAX_BLACKFIN_GPTIMERS > 8)
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# define TIMER8_id 8
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# define TIMER9_id 9
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# define TIMER10_id 10
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# define TIMER11_id 11
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#endif
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/* associated timers for ppi framesync: */
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#if defined(CONFIG_BF561)
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# define FS0_1_TIMER_ID TIMER8_id
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# define FS0_2_TIMER_ID TIMER9_id
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# define FS1_1_TIMER_ID TIMER10_id
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# define FS1_2_TIMER_ID TIMER11_id
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# define FS0_1_TIMER_BIT TIMER8bit
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# define FS0_2_TIMER_BIT TIMER9bit
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# define FS1_1_TIMER_BIT TIMER10bit
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# define FS1_2_TIMER_BIT TIMER11bit
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# undef FS1_TIMER_ID
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# undef FS2_TIMER_ID
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# undef FS1_TIMER_BIT
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# undef FS2_TIMER_BIT
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#else
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# define FS1_TIMER_ID TIMER0_id
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# define FS2_TIMER_ID TIMER1_id
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# define FS1_TIMER_BIT TIMER0bit
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# define FS2_TIMER_BIT TIMER1bit
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#endif
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/*
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** Timer Configuration Register Bits
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*/
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#define TIMER_ERR 0xC000
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#define TIMER_ERR_OVFL 0x4000
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#define TIMER_ERR_PROG_PER 0x8000
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#define TIMER_ERR_PROG_PW 0xC000
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#define TIMER_EMU_RUN 0x0200
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#define TIMER_TOGGLE_HI 0x0100
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#define TIMER_CLK_SEL 0x0080
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#define TIMER_OUT_DIS 0x0040
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#define TIMER_TIN_SEL 0x0020
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#define TIMER_IRQ_ENA 0x0010
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#define TIMER_PERIOD_CNT 0x0008
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#define TIMER_PULSE_HI 0x0004
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#define TIMER_MODE 0x0003
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#define TIMER_MODE_PWM 0x0001
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#define TIMER_MODE_WDTH 0x0002
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#define TIMER_MODE_EXT_CLK 0x0003
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/*
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** Timer Status Register Bits
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*/
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#define TIMER_STATUS_TIMIL0 0x0001
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#define TIMER_STATUS_TIMIL1 0x0002
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#define TIMER_STATUS_TIMIL2 0x0004
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#if (MAX_BLACKFIN_GPTIMERS > 3)
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# define TIMER_STATUS_TIMIL3 0x00000008
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# define TIMER_STATUS_TIMIL4 0x00010000
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# define TIMER_STATUS_TIMIL5 0x00020000
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# define TIMER_STATUS_TIMIL6 0x00040000
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# define TIMER_STATUS_TIMIL7 0x00080000
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# if (MAX_BLACKFIN_GPTIMERS > 8)
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# define TIMER_STATUS_TIMIL8 0x0001
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# define TIMER_STATUS_TIMIL9 0x0002
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# define TIMER_STATUS_TIMIL10 0x0004
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# define TIMER_STATUS_TIMIL11 0x0008
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# endif
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# define TIMER_STATUS_INTR 0x000F000F
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#else
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# define TIMER_STATUS_INTR 0x0007 /* any timer interrupt */
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#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
|
||||
|
|
@ -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
|
||||
Loading…
Reference in New Issue