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[Blackfin] arch: scrub dead alive/idle LED code 

if it does get re-added, it needs to be in the boards directory,
not common code ... or it needs a re-implementation

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 2007-12-24 14:59:03 +08:00 коммит произвёл Bryan Wu
Родитель 3ca32c1dc6
Коммит 54a1668ce5
4 изменённых файлов: 0 добавлений и 172 удалений
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69
arch/blackfin/Kconfig
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@ -463,40 +463,6 @@ config BOOT_LOAD
memory region is used to capture NULL pointer references as well
as some core kernel functions.
comment "LED Status Indicators"
depends on (BFIN533_STAMP || BFIN533_BLUETECHNIX_CM)
config BFIN_ALIVE_LED
bool "Enable Board Alive"
depends on (BFIN533_STAMP || BFIN533_BLUETECHNIX_CM)
default n
help
Blink the LEDs you select when the kernel is running. Helps detect
a hung kernel.
config BFIN_ALIVE_LED_NUM
int "LED"
depends on BFIN_ALIVE_LED
range 1 3 if BFIN533_STAMP
default "3" if BFIN533_STAMP
help
Select the LED (marked on the board) for you to blink.
config BFIN_IDLE_LED
bool "Enable System Load/Idle LED"
depends on (BFIN533_STAMP || BFIN533_BLUETECHNIX_CM)
default n
help
Blinks the LED you select when to determine kernel load.
config BFIN_IDLE_LED_NUM
int "LED"
depends on BFIN_IDLE_LED
range 1 3 if BFIN533_STAMP
default "2" if BFIN533_STAMP
help
Select the LED (marked on the board) for you to blink.
choice
prompt "Blackfin Exception Scratch Register"
default BFIN_SCRATCH_REG_RETN
@ -543,41 +509,6 @@ config BFIN_SCRATCH_REG_CYCLES
endchoice
#
# Sorry - but you need to put the hex address here -
#
# Flag Data register
config BFIN_ALIVE_LED_PORT
hex
default 0xFFC00700 if (BFIN533_STAMP)
# Peripheral Flag Direction Register
config BFIN_ALIVE_LED_DPORT
hex
default 0xFFC00730 if (BFIN533_STAMP)
config BFIN_ALIVE_LED_PIN
hex
default 0x04 if (BFIN533_STAMP && BFIN_ALIVE_LED_NUM = 1)
default 0x08 if (BFIN533_STAMP && BFIN_ALIVE_LED_NUM = 2)
default 0x10 if (BFIN533_STAMP && BFIN_ALIVE_LED_NUM = 3)
config BFIN_IDLE_LED_PORT
hex
default 0xFFC00700 if (BFIN533_STAMP)
# Peripheral Flag Direction Register
config BFIN_IDLE_LED_DPORT
hex
default 0xFFC00730 if (BFIN533_STAMP)
config BFIN_IDLE_LED_PIN
hex
default 0x04 if (BFIN533_STAMP && BFIN_IDLE_LED_NUM = 1)
default 0x08 if (BFIN533_STAMP && BFIN_IDLE_LED_NUM = 2)
default 0x10 if (BFIN533_STAMP && BFIN_IDLE_LED_NUM = 3)
endmenu

31
arch/blackfin/kernel/process.c
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@ -39,9 +39,6 @@
#include <asm/blackfin.h>
#include <asm/fixed_code.h>
#define LED_ON 0
#define LED_OFF 1
asmlinkage void ret_from_fork(void);
/* Points to the SDRAM backup memory for the stack that is currently in
@ -69,32 +66,6 @@ EXPORT_SYMBOL(pm_idle);
void (*pm_power_off)(void) = NULL;
EXPORT_SYMBOL(pm_power_off);
/*
* We are using a different LED from the one used to indicate timer interrupt.
*/
#if defined(CONFIG_BFIN_IDLE_LED)
static inline void leds_switch(int flag)
{
unsigned short tmp = 0;
tmp = bfin_read_CONFIG_BFIN_IDLE_LED_PORT();
SSYNC();
if (flag == LED_ON)
tmp &= ~CONFIG_BFIN_IDLE_LED_PIN; /* light on */
else
tmp |= CONFIG_BFIN_IDLE_LED_PIN; /* light off */
bfin_write_CONFIG_BFIN_IDLE_LED_PORT(tmp);
SSYNC();
}
#else
static inline void leds_switch(int flag)
{
}
#endif
/*
* The idle loop on BFIN
*/
@ -106,12 +77,10 @@ void cpu_idle(void)__attribute__((l1_text));
void default_idle(void)
{
while (!need_resched()) {
leds_switch(LED_OFF);
local_irq_disable();
if (likely(!need_resched()))
idle_with_irq_disabled();
local_irq_enable();
leds_switch(LED_ON);
}
}

2
arch/blackfin/kernel/setup.c
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@ -315,8 +315,6 @@ void __init setup_arch(char **cmdline_p)
init_mm.end_data = (unsigned long)_edata;
init_mm.brk = (unsigned long)0;
init_leds();
_bfin_swrst = bfin_read_SWRST();
if (_bfin_swrst & RESET_DOUBLE)

70
arch/blackfin/kernel/time.c
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@ -42,75 +42,6 @@
static void time_sched_init(irqreturn_t(*timer_routine)
(int, void *));
static unsigned long gettimeoffset(void);
static inline void do_leds(void);
#if (defined(CONFIG_BFIN_ALIVE_LED) || defined(CONFIG_BFIN_IDLE_LED))
void __init init_leds(void)
{
unsigned int tmp = 0;
#if defined(CONFIG_BFIN_ALIVE_LED)
/* config pins as output. */
tmp = bfin_read_CONFIG_BFIN_ALIVE_LED_DPORT();
SSYNC();
bfin_write_CONFIG_BFIN_ALIVE_LED_DPORT(tmp | CONFIG_BFIN_ALIVE_LED_PIN);
SSYNC();
/* First set led be off */
tmp = bfin_read_CONFIG_BFIN_ALIVE_LED_PORT();
SSYNC();
bfin_write_CONFIG_BFIN_ALIVE_LED_PORT(tmp | CONFIG_BFIN_ALIVE_LED_PIN); /* light off */
SSYNC();
#endif
#if defined(CONFIG_BFIN_IDLE_LED)
/* config pins as output. */
tmp = bfin_read_CONFIG_BFIN_IDLE_LED_DPORT();
SSYNC();
bfin_write_CONFIG_BFIN_IDLE_LED_DPORT(tmp | CONFIG_BFIN_IDLE_LED_PIN);
SSYNC();
/* First set led be off */
tmp = bfin_read_CONFIG_BFIN_IDLE_LED_PORT();
SSYNC();
bfin_write_CONFIG_BFIN_IDLE_LED_PORT(tmp | CONFIG_BFIN_IDLE_LED_PIN); /* light off */
SSYNC();
#endif
}
#else
void __init init_leds(void)
{
}
#endif
#if defined(CONFIG_BFIN_ALIVE_LED)
static inline void do_leds(void)
{
static unsigned int count = 50;
static int flag;
unsigned short tmp = 0;
if (--count == 0) {
count = 50;
flag = ~flag;
}
tmp = bfin_read_CONFIG_BFIN_ALIVE_LED_PORT();
SSYNC();
if (flag)
tmp &= ~CONFIG_BFIN_ALIVE_LED_PIN; /* light on */
else
tmp |= CONFIG_BFIN_ALIVE_LED_PIN; /* light off */
bfin_write_CONFIG_BFIN_ALIVE_LED_PORT(tmp);
SSYNC();
}
#else
static inline void do_leds(void)
{
}
#endif
static struct irqaction bfin_timer_irq = {
.name = "BFIN Timer Tick",
@ -205,7 +136,6 @@ irqreturn_t timer_interrupt(int irq, void *dummy)
write_seqlock(&xtime_lock);
do_timer(1);
do_leds();
#ifndef CONFIG_SMP
update_process_times(user_mode(get_irq_regs()));