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powerpc/shared/clock/clock.c: Remove clock major/minor and clean up

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This commit is contained in:
Joel Sherrill
2014-10-12 14:10:00 -05:00
parent 5fdb72a0b3
commit 5ad38eacae
1 changed files with 142 additions and 137 deletions
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29
c/src/lib/libbsp/powerpc/shared/clock/clock.c
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@@ -42,10 +42,6 @@ extern uint32_t bsp_time_base_frequency;
volatile uint32_t Clock_driver_ticks = 0; volatile uint32_t Clock_driver_ticks = 0;
rtems_device_major_number rtems_clock_major = UINT32_MAX;
rtems_device_minor_number rtems_clock_minor = UINT32_MAX;
static uint32_t ppc_clock_decrementer_value = PPC_CLOCK_DECREMENTER_MAX; static uint32_t ppc_clock_decrementer_value = PPC_CLOCK_DECREMENTER_MAX;
static uint32_t ppc_clock_next_time_base; static uint32_t ppc_clock_next_time_base;
@@ -59,7 +55,10 @@ static void ppc_clock_no_tick(void)
static void (*ppc_clock_tick)(void) = ppc_clock_no_tick; static void (*ppc_clock_tick)(void) = ppc_clock_no_tick;
static int ppc_clock_exception_handler( BSP_Exception_frame *frame, unsigned number) static int ppc_clock_exception_handler(
BSP_Exception_frame *frame,
unsigned number
)
{ {
uint32_t delta = ppc_clock_decrementer_value; uint32_t delta = ppc_clock_decrementer_value;
uint32_t next = ppc_clock_next_time_base; uint32_t next = ppc_clock_next_time_base;
@@ -99,7 +98,10 @@ static int ppc_clock_exception_handler( BSP_Exception_frame *frame, unsigned num
return 0; return 0;
} }
static int ppc_clock_exception_handler_first( BSP_Exception_frame *frame, unsigned number) static int ppc_clock_exception_handler_first(
BSP_Exception_frame *frame,
unsigned number
)
{ {
/* We have to clear the first pending decrementer exception this way */ /* We have to clear the first pending decrementer exception this way */
@@ -112,7 +114,10 @@ static int ppc_clock_exception_handler_first( BSP_Exception_frame *frame, unsign
return 0; return 0;
} }
static int ppc_clock_exception_handler_booke( BSP_Exception_frame *frame, unsigned number) static int ppc_clock_exception_handler_booke(
BSP_Exception_frame *frame,
unsigned number
)
{ {
uint32_t msr; uint32_t msr;
@@ -187,16 +192,16 @@ void Clock_exit(void)
ppc_clock_tick = ppc_clock_no_tick; ppc_clock_tick = ppc_clock_no_tick;
} }
rtems_device_driver Clock_initialize( rtems_device_major_number major, rtems_device_minor_number minor, void *arg) rtems_device_driver Clock_initialize(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg
)
{ {
uint64_t frequency = bsp_time_base_frequency; uint64_t frequency = bsp_time_base_frequency;
uint64_t us_per_tick = rtems_configuration_get_microseconds_per_tick(); uint64_t us_per_tick = rtems_configuration_get_microseconds_per_tick();
uint32_t interval = (uint32_t) ((frequency * us_per_tick) / 1000000); uint32_t interval = (uint32_t) ((frequency * us_per_tick) / 1000000);
/* Make major/minor available to others such as shared memory driver */
rtems_clock_major = major;
rtems_clock_minor = minor;
/* /*
* Set default ticker. * Set default ticker.
* *