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Blackfin arch: Remove bad and usless code 

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
This commit is contained in:
Michael Hennerich 2008-05-31 15:35:40 +08:00 committed by Bryan Wu
parent 2eb74ae20e
commit b06dcee9c8
5 changed files with 2 additions and 364 deletions
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2
arch/blackfin/mach-bf537/boards/Makefile
View File

@ -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

183
arch/blackfin/mach-bf537/boards/led.S
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@ -1,183 +0,0 @@
/****************************************************
* 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

2
arch/blackfin/mach-bf548/boards/Makefile
View File

@ -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

172
arch/blackfin/mach-bf548/boards/led.S
View File

@ -1,172 +0,0 @@
/****************************************************
* 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

7
include/asm-blackfin/bfin-global.h
View File

@ -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;