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-rw-r--r--arch/blackfin/mach-bf537/boards/led.S183
1 files changed, 0 insertions, 183 deletions
diff --git a/arch/blackfin/mach-bf537/boards/led.S b/arch/blackfin/mach-bf537/boards/led.S
deleted file mode 100644
index 4e9ea42..0000000
--- a/arch/blackfin/mach-bf537/boards/led.S
+++ /dev/null
@@ -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
-