Commit b06dcee9 authored by Michael Hennerich's avatar Michael Hennerich Committed by Bryan Wu
Browse files

Blackfin arch: Remove bad and usless code 



Signed-off-by: default avatarMichael Hennerich <michael.hennerich@analog.com>
Signed-off-by: default avatarBryan Wu <cooloney@kernel.org>
parent 2eb74ae2

arch/blackfin/mach-bf537/boards/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -3,7 +3,7 @@ 
#



obj-$(CONFIG_GENERIC_BF537_BOARD)      += generic_board.o

obj-$(CONFIG_BFIN537_STAMP)            += stamp.o led.o

obj-$(CONFIG_BFIN537_STAMP)            += stamp.o

obj-$(CONFIG_BFIN537_BLUETECHNIX_CM)   += cm_bf537.o

obj-$(CONFIG_PNAV10)                   += pnav10.o

obj-$(CONFIG_CAMSIG_MINOTAUR)          += minotaur.o

arch/blackfin/mach-bf537/boards/led.S

deleted100644 → 0
+0 −183
Original line number Diff line number Diff line 
/****************************************************

 * LED1 ---- PF6        LED2 ---- PF7               *

 * LED3 ---- PF8        LED4 ---- PF9               *

 * LED5 ---- PF10       LED6 ---- PF11              *

 ****************************************************/



#include <linux/linkage.h>

#include <asm/blackfin.h>



/* All functions in this file save the registers they uses.

   So there is no need to save any registers before calling them.  */



	.text;



/* Initialize LEDs.  */



ENTRY(_led_init)

	LINK 12;

	[--SP] = P0;

	[--SP] = R0;

	[--SP] = R1;

	[--SP] = R2;

	R1 = PF6|PF7|PF8|PF9|PF10|PF11 (Z);

	R2 = ~R1;



	P0.H = hi(PORTF_FER);

	P0.L = lo(PORTF_FER);

	R0 = W[P0](Z);

	SSYNC;

	R0 = R0 & R2;

	W[P0] = R0.L;

	SSYNC;



	P0.H = hi(PORTFIO_DIR);

	P0.L = lo(PORTFIO_DIR);

	R0 = W[P0](Z);

	SSYNC;

	R0 = R0 | R1;

	W[P0] = R0.L;

	SSYNC;



	P0.H = hi(PORTFIO_INEN);

	P0.L = lo(PORTFIO_INEN);

	R0 = W[P0](Z);

	SSYNC;

	R0 = R0 & R2;

	W[P0] = R0.L;

	SSYNC;



	R2 = [SP++];

	R1 = [SP++];

	R0 = [SP++];

	P0 = [SP++];

	UNLINK;

	RTS;

	.size	_led_init, .-_led_init



/* Set one LED on. Leave other LEDs unchanged.

   It expects the LED number passed through R0.  */



ENTRY(_led_on)

	LINK 12;

	[--SP] = P0;

	[--SP] = R1;

	CALL _led_init;

	R1 = 1;

	R0 += 5;

	R1 <<= R0;

	P0.H = hi(PORTFIO);

	P0.L = lo(PORTFIO);

	R0 = W[P0](Z);

	SSYNC;

	R0 = R0 | R1;

	W[P0] = R0.L;

	SSYNC;

	R1 = [SP++];

	P0 = [SP++];

	UNLINK;

	RTS;

	.size	_led_on, .-_led_on



/* Set one LED off. Leave other LEDs unchanged.  */



ENTRY(_led_off)

	LINK 12;

	[--SP] = P0;

	[--SP] = R1;

	CALL _led_init;

	R1 = 1;

	R0 += 5;

	R1 <<= R0;

	R1 = ~R1;

	P0.H = hi(PORTFIO);

	P0.L = lo(PORTFIO);

	R0 = W[P0](Z);

	SSYNC;

	R0 = R0 & R1;

	W[P0] = R0.L;

	SSYNC;

	R1 = [SP++];

	P0 = [SP++];

	UNLINK;

	RTS;

	.size	_led_off, .-_led_off



/* Toggle one LED. Leave other LEDs unchanged.  */



ENTRY(_led_toggle)

	LINK 12;

	[--SP] = P0;

	[--SP] = R1;

	CALL _led_init;

	R1 = 1;

	R0 += 5;

	R1 <<= R0;

	P0.H = hi(PORTFIO);

	P0.L = lo(PORTFIO);

	R0 = W[P0](Z);

	SSYNC;

	R0 = R0 ^ R1;

	W[P0] = R0.L;

	SSYNC;

	R1 = [SP++];

	P0 = [SP++];

	UNLINK;

	RTS;

	.size	_led_toggle, .-_led_toggle



/* Display the number using LEDs in binary format.  */



ENTRY(_led_disp_num)

	LINK 12;

	[--SP] = P0;

	[--SP] = R1;

	[--SP] = R2;

	CALL _led_init;

	R1 = 0x3f(X);

	R0 = R0 & R1;

	R2 = 6(X);

	R0 <<= R2;

	R1 <<= R2;

	P0.H = hi(PORTFIO);

	P0.L = lo(PORTFIO);

	R2 = W[P0](Z);

	SSYNC;

	R1 = ~R1;

	R2 = R2 & R1;

	R2 = R2 | R0;

	W[P0] = R2.L;

	SSYNC;

	R2 = [SP++];

	R1 = [SP++];

	P0 = [SP++];

	UNLINK;

	RTS;

	.size	_led_disp_num, .-_led_disp_num



/* Toggle the number using LEDs in binary format.  */



ENTRY(_led_toggle_num)

	LINK 12;

	[--SP] = P0;

	[--SP] = R1;

	[--SP] = R2;

	CALL _led_init;

	R1 = 0x3f(X);

	R0 = R0 & R1;

	R1 = 6(X);

	R0 <<= R1;

	P0.H = hi(PORTFIO);

	P0.L = lo(PORTFIO);

	R1 = W[P0](Z);

	SSYNC;

	R1 = R1 ^ R0;

	W[P0] = R1.L;

	SSYNC;

	R2 = [SP++];

	R1 = [SP++];

	P0 = [SP++];

	UNLINK;

	RTS;

	.size	_led_toggle_num, .-_led_toggle_num

arch/blackfin/mach-bf548/boards/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -2,5 +2,5 @@ 
# arch/blackfin/mach-bf548/boards/Makefile

#



obj-$(CONFIG_BFIN548_EZKIT)            += ezkit.o led.o

obj-$(CONFIG_BFIN548_EZKIT)            += ezkit.o

obj-$(CONFIG_BFIN548_BLUETECHNIX_CM)   += cm_bf548.o

arch/blackfin/mach-bf548/boards/led.S

deleted100644 → 0
+0 −172
Original line number Diff line number Diff line 
/****************************************************

 * LED1 ---- PG6        LED2 ---- PG7               *

 * LED3 ---- PG8        LED4 ---- PG9               *

 * LED5 ---- PG10       LED6 ---- PG11              *

 ****************************************************/



#include <linux/linkage.h>

#include <asm/blackfin.h>



/* All functions in this file save the registers they uses.

   So there is no need to save any registers before calling them.  */



	.text;



/* Initialize LEDs.  */



ENTRY(_led_init)

	LINK 0;

	[--SP] = P0;

	[--SP] = R0;

	[--SP] = R1;

	[--SP] = R2;

	R1 = (PG6|PG7|PG8|PG9|PG10|PG11)(Z);

	R2 = ~R1;



	P0.H = hi(PORTG_FER);

	P0.L = lo(PORTG_FER);

	R0 = W[P0](Z);

	SSYNC;

	R0 = R0 & R2;

	W[P0] = R0.L;

	SSYNC;



	P0.H = hi(PORTG_DIR_SET);

	P0.L = lo(PORTG_DIR_SET);

	W[P0] = R1.L;

	SSYNC;



	P0.H = hi(PORTG_INEN);

	P0.L = lo(PORTG_INEN);

	R0 = W[P0](Z);

	SSYNC;

	R0 = R0 & R2;

	W[P0] = R0.L;

	SSYNC;



	R2 = [SP++];

	R1 = [SP++];

	R0 = [SP++];

	P0 = [SP++];

	RTS;

	.size	_led_init, .-_led_init



/* Set one LED on. Leave other LEDs unchanged.

   It expects the LED number passed through R0.  */



ENTRY(_led_on)

	LINK 0;

	[--SP] = P0;

	[--SP] = R1;

	CALL _led_init;

	R1 = 1;

	R0 += 5;

	R1 <<= R0;

	P0.H = hi(PORTG_SET);

	P0.L = lo(PORTG_SET);

	W[P0] = R1.L;

	SSYNC;

	R1 = [SP++];

	P0 = [SP++];

	UNLINK;

	RTS;

	.size	_led_on, .-_led_on



/* Set one LED off. Leave other LEDs unchanged.  */



ENTRY(_led_off)

	LINK 0;

	[--SP] = P0;

	[--SP] = R1;

	CALL _led_init;

	R1 = 1;

	R0 += 5;

	R1 <<= R0;

	P0.H = hi(PORTG_CLEAR);

	P0.L = lo(PORTG_CLEAR);

	W[P0] = R1.L;

	SSYNC;

	R1 = [SP++];

	P0 = [SP++];

	UNLINK;

	RTS;

	.size	_led_off, .-_led_off



/* Toggle one LED. Leave other LEDs unchanged.  */



ENTRY(_led_toggle)

	LINK 0;

	[--SP] = P0;

	[--SP] = R1;

	CALL _led_init;

	R1 = 1;

	R0 += 5;

	R1 <<= R0;

	P0.H = hi(PORTG);

	P0.L = lo(PORTG);

	R0 = W[P0](Z);

	SSYNC;

	R0 = R0 ^ R1;

	W[P0] = R0.L;

	SSYNC;

	R1 = [SP++];

	P0 = [SP++];

	UNLINK;

	RTS;

	.size	_led_toggle, .-_led_toggle



/* Display the number using LEDs in binary format.  */



ENTRY(_led_disp_num)

	LINK 0;

	[--SP] = P0;

	[--SP] = R1;

	[--SP] = R2;

	CALL _led_init;

	R1 = 0x3f(X);

	R0 = R0 & R1;

	R2 = 6(X);

	R0 <<= R2;

	R1 <<= R2;

	P0.H = hi(PORTG);

	P0.L = lo(PORTG);

	R2 = W[P0](Z);

	SSYNC;

	R1 = ~R1;

	R2 = R2 & R1;

	R2 = R2 | R0;

	W[P0] = R2.L;

	SSYNC;

	R2 = [SP++];

	R1 = [SP++];

	P0 = [SP++];

	UNLINK;

	RTS;

	.size	_led_disp_num, .-_led_disp_num



/* Toggle the number using LEDs in binary format.  */



ENTRY(_led_toggle_num)

	LINK 0;

	[--SP] = P0;

	[--SP] = R1;

	[--SP] = R2;

	CALL _led_init;

	R1 = 0x3f(X);

	R0 = R0 & R1;

	R1 = 6(X);

	R0 <<= R1;

	P0.H = hi(PORTG);

	P0.L = lo(PORTG);

	R1 = W[P0](Z);

	SSYNC;

	R1 = R1 ^ R0;

	W[P0] = R1.L;

	SSYNC;

	R2 = [SP++];

	R1 = [SP++];

	P0 = [SP++];

	UNLINK;

	RTS;

	.size	_led_toggle_num, .-_led_toggle_num

include/asm-blackfin/bfin-global.h

+0 −7
Original line number Diff line number Diff line
@@ -105,13 +105,6 @@ extern int sram_free(const void*); 
extern void *sram_alloc_with_lsl(size_t, unsigned long);

extern int sram_free_with_lsl(const void*);



extern void led_on(int);

extern void led_off(int);

extern void led_toggle(int);

extern void led_disp_num(int);

extern void led_toggle_num(int);

extern void init_leds(void);



extern const char bfin_board_name[];

extern unsigned long wall_jiffies;