Title: [3980] trunk/arch/blackfin: scrub dead alive/
idle LED code -- if it does get re-added,
it needs to be in the boards directory, not common code ...
- Revision
- 3980
- Author
- vapier
- Date
- 2007-12-04 10:57:43 -0600 (Tue, 04 Dec 2007)
Log Message
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
Diffstat
Kconfig | 69 ------------------------------------------------------
kernel/process.c | 31 ------------------------
kernel/setup.c | 2 -
kernel/time.c | 70 -------------------------------------------------------
4 files changed, 172 deletions(-)
Modified Paths
Diff
Modified: trunk/arch/blackfin/Kconfig (3979 => 3980)
--- trunk/arch/blackfin/Kconfig 2007-12-04 15:20:38 UTC (rev 3979)
+++ trunk/arch/blackfin/Kconfig 2007-12-04 16:57:43 UTC (rev 3980)
@@ -451,40 +451,6 @@
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
@@ -531,41 +497,6 @@
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
Modified: trunk/arch/blackfin/kernel/process.c (3979 => 3980)
--- trunk/arch/blackfin/kernel/process.c 2007-12-04 15:20:38 UTC (rev 3979)
+++ trunk/arch/blackfin/kernel/process.c 2007-12-04 16:57:43 UTC (rev 3980)
@@ -37,9 +37,6 @@
#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
@@ -68,32 +65,6 @@
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
*/
#ifdef CONFIG_IDLE_L1
@@ -104,12 +75,10 @@
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);
}
}
Modified: trunk/arch/blackfin/kernel/setup.c (3979 => 3980)
--- trunk/arch/blackfin/kernel/setup.c 2007-12-04 15:20:38 UTC (rev 3979)
+++ trunk/arch/blackfin/kernel/setup.c 2007-12-04 16:57:43 UTC (rev 3980)
@@ -315,8 +315,6 @@
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)
Modified: trunk/arch/blackfin/kernel/time.c (3979 => 3980)
--- trunk/arch/blackfin/kernel/time.c 2007-12-04 15:20:38 UTC (rev 3979)
+++ trunk/arch/blackfin/kernel/time.c 2007-12-04 16:57:43 UTC (rev 3980)
@@ -42,76 +42,7 @@
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",
.flags = IRQF_DISABLED
@@ -205,7 +136,6 @@
write_seqlock(&xtime_lock);
do_timer(1);
- do_leds();
#ifndef CONFIG_SMP
update_process_times(user_mode(get_irq_regs()));
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