tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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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>

authored by Michael Hennerich and committed by Bryan Wu b06dcee9 2eb74ae2

+2 -364
unified split
+1 -1
arch/blackfin/mach-bf537/boards/Makefile
··· 3 # 4 5 obj-$(CONFIG_GENERIC_BF537_BOARD) += generic_board.o 6 - obj-$(CONFIG_BFIN537_STAMP) += stamp.o led.o 7 obj-$(CONFIG_BFIN537_BLUETECHNIX_CM) += cm_bf537.o 8 obj-$(CONFIG_PNAV10) += pnav10.o 9 obj-$(CONFIG_CAMSIG_MINOTAUR) += minotaur.o
··· 3 # 4 5 obj-$(CONFIG_GENERIC_BF537_BOARD) += generic_board.o 6 + obj-$(CONFIG_BFIN537_STAMP) += stamp.o 7 obj-$(CONFIG_BFIN537_BLUETECHNIX_CM) += cm_bf537.o 8 obj-$(CONFIG_PNAV10) += pnav10.o 9 obj-$(CONFIG_CAMSIG_MINOTAUR) += minotaur.o
-183
arch/blackfin/mach-bf537/boards/led.S
··· 1 - /**************************************************** 2 - * LED1 ---- PF6 LED2 ---- PF7 * 3 - * LED3 ---- PF8 LED4 ---- PF9 * 4 - * LED5 ---- PF10 LED6 ---- PF11 * 5 - ****************************************************/ 6 - 7 - #include <linux/linkage.h> 8 - #include <asm/blackfin.h> 9 - 10 - /* All functions in this file save the registers they uses. 11 - So there is no need to save any registers before calling them. */ 12 - 13 - .text; 14 - 15 - /* Initialize LEDs. */ 16 - 17 - ENTRY(_led_init) 18 - LINK 12; 19 - [--SP] = P0; 20 - [--SP] = R0; 21 - [--SP] = R1; 22 - [--SP] = R2; 23 - R1 = PF6|PF7|PF8|PF9|PF10|PF11 (Z); 24 - R2 = ~R1; 25 - 26 - P0.H = hi(PORTF_FER); 27 - P0.L = lo(PORTF_FER); 28 - R0 = W[P0](Z); 29 - SSYNC; 30 - R0 = R0 & R2; 31 - W[P0] = R0.L; 32 - SSYNC; 33 - 34 - P0.H = hi(PORTFIO_DIR); 35 - P0.L = lo(PORTFIO_DIR); 36 - R0 = W[P0](Z); 37 - SSYNC; 38 - R0 = R0 | R1; 39 - W[P0] = R0.L; 40 - SSYNC; 41 - 42 - P0.H = hi(PORTFIO_INEN); 43 - P0.L = lo(PORTFIO_INEN); 44 - R0 = W[P0](Z); 45 - SSYNC; 46 - R0 = R0 & R2; 47 - W[P0] = R0.L; 48 - SSYNC; 49 - 50 - R2 = [SP++]; 51 - R1 = [SP++]; 52 - R0 = [SP++]; 53 - P0 = [SP++]; 54 - UNLINK; 55 - RTS; 56 - .size _led_init, .-_led_init 57 - 58 - /* Set one LED on. Leave other LEDs unchanged. 59 - It expects the LED number passed through R0. */ 60 - 61 - ENTRY(_led_on) 62 - LINK 12; 63 - [--SP] = P0; 64 - [--SP] = R1; 65 - CALL _led_init; 66 - R1 = 1; 67 - R0 += 5; 68 - R1 <<= R0; 69 - P0.H = hi(PORTFIO); 70 - P0.L = lo(PORTFIO); 71 - R0 = W[P0](Z); 72 - SSYNC; 73 - R0 = R0 | R1; 74 - W[P0] = R0.L; 75 - SSYNC; 76 - R1 = [SP++]; 77 - P0 = [SP++]; 78 - UNLINK; 79 - RTS; 80 - .size _led_on, .-_led_on 81 - 82 - /* Set one LED off. Leave other LEDs unchanged. */ 83 - 84 - ENTRY(_led_off) 85 - LINK 12; 86 - [--SP] = P0; 87 - [--SP] = R1; 88 - CALL _led_init; 89 - R1 = 1; 90 - R0 += 5; 91 - R1 <<= R0; 92 - R1 = ~R1; 93 - P0.H = hi(PORTFIO); 94 - P0.L = lo(PORTFIO); 95 - R0 = W[P0](Z); 96 - SSYNC; 97 - R0 = R0 & R1; 98 - W[P0] = R0.L; 99 - SSYNC; 100 - R1 = [SP++]; 101 - P0 = [SP++]; 102 - UNLINK; 103 - RTS; 104 - .size _led_off, .-_led_off 105 - 106 - /* Toggle one LED. Leave other LEDs unchanged. */ 107 - 108 - ENTRY(_led_toggle) 109 - LINK 12; 110 - [--SP] = P0; 111 - [--SP] = R1; 112 - CALL _led_init; 113 - R1 = 1; 114 - R0 += 5; 115 - R1 <<= R0; 116 - P0.H = hi(PORTFIO); 117 - P0.L = lo(PORTFIO); 118 - R0 = W[P0](Z); 119 - SSYNC; 120 - R0 = R0 ^ R1; 121 - W[P0] = R0.L; 122 - SSYNC; 123 - R1 = [SP++]; 124 - P0 = [SP++]; 125 - UNLINK; 126 - RTS; 127 - .size _led_toggle, .-_led_toggle 128 - 129 - /* Display the number using LEDs in binary format. */ 130 - 131 - ENTRY(_led_disp_num) 132 - LINK 12; 133 - [--SP] = P0; 134 - [--SP] = R1; 135 - [--SP] = R2; 136 - CALL _led_init; 137 - R1 = 0x3f(X); 138 - R0 = R0 & R1; 139 - R2 = 6(X); 140 - R0 <<= R2; 141 - R1 <<= R2; 142 - P0.H = hi(PORTFIO); 143 - P0.L = lo(PORTFIO); 144 - R2 = W[P0](Z); 145 - SSYNC; 146 - R1 = ~R1; 147 - R2 = R2 & R1; 148 - R2 = R2 | R0; 149 - W[P0] = R2.L; 150 - SSYNC; 151 - R2 = [SP++]; 152 - R1 = [SP++]; 153 - P0 = [SP++]; 154 - UNLINK; 155 - RTS; 156 - .size _led_disp_num, .-_led_disp_num 157 - 158 - /* Toggle the number using LEDs in binary format. */ 159 - 160 - ENTRY(_led_toggle_num) 161 - LINK 12; 162 - [--SP] = P0; 163 - [--SP] = R1; 164 - [--SP] = R2; 165 - CALL _led_init; 166 - R1 = 0x3f(X); 167 - R0 = R0 & R1; 168 - R1 = 6(X); 169 - R0 <<= R1; 170 - P0.H = hi(PORTFIO); 171 - P0.L = lo(PORTFIO); 172 - R1 = W[P0](Z); 173 - SSYNC; 174 - R1 = R1 ^ R0; 175 - W[P0] = R1.L; 176 - SSYNC; 177 - R2 = [SP++]; 178 - R1 = [SP++]; 179 - P0 = [SP++]; 180 - UNLINK; 181 - RTS; 182 - .size _led_toggle_num, .-_led_toggle_num 183 -
···
+1 -1
arch/blackfin/mach-bf548/boards/Makefile
··· 2 # arch/blackfin/mach-bf548/boards/Makefile 3 # 4 5 - obj-$(CONFIG_BFIN548_EZKIT) += ezkit.o led.o 6 obj-$(CONFIG_BFIN548_BLUETECHNIX_CM) += cm_bf548.o
··· 2 # arch/blackfin/mach-bf548/boards/Makefile 3 # 4 5 + obj-$(CONFIG_BFIN548_EZKIT) += ezkit.o 6 obj-$(CONFIG_BFIN548_BLUETECHNIX_CM) += cm_bf548.o
-172
arch/blackfin/mach-bf548/boards/led.S
··· 1 - /**************************************************** 2 - * LED1 ---- PG6 LED2 ---- PG7 * 3 - * LED3 ---- PG8 LED4 ---- PG9 * 4 - * LED5 ---- PG10 LED6 ---- PG11 * 5 - ****************************************************/ 6 - 7 - #include <linux/linkage.h> 8 - #include <asm/blackfin.h> 9 - 10 - /* All functions in this file save the registers they uses. 11 - So there is no need to save any registers before calling them. */ 12 - 13 - .text; 14 - 15 - /* Initialize LEDs. */ 16 - 17 - ENTRY(_led_init) 18 - LINK 0; 19 - [--SP] = P0; 20 - [--SP] = R0; 21 - [--SP] = R1; 22 - [--SP] = R2; 23 - R1 = (PG6|PG7|PG8|PG9|PG10|PG11)(Z); 24 - R2 = ~R1; 25 - 26 - P0.H = hi(PORTG_FER); 27 - P0.L = lo(PORTG_FER); 28 - R0 = W[P0](Z); 29 - SSYNC; 30 - R0 = R0 & R2; 31 - W[P0] = R0.L; 32 - SSYNC; 33 - 34 - P0.H = hi(PORTG_DIR_SET); 35 - P0.L = lo(PORTG_DIR_SET); 36 - W[P0] = R1.L; 37 - SSYNC; 38 - 39 - P0.H = hi(PORTG_INEN); 40 - P0.L = lo(PORTG_INEN); 41 - R0 = W[P0](Z); 42 - SSYNC; 43 - R0 = R0 & R2; 44 - W[P0] = R0.L; 45 - SSYNC; 46 - 47 - R2 = [SP++]; 48 - R1 = [SP++]; 49 - R0 = [SP++]; 50 - P0 = [SP++]; 51 - RTS; 52 - .size _led_init, .-_led_init 53 - 54 - /* Set one LED on. Leave other LEDs unchanged. 55 - It expects the LED number passed through R0. */ 56 - 57 - ENTRY(_led_on) 58 - LINK 0; 59 - [--SP] = P0; 60 - [--SP] = R1; 61 - CALL _led_init; 62 - R1 = 1; 63 - R0 += 5; 64 - R1 <<= R0; 65 - P0.H = hi(PORTG_SET); 66 - P0.L = lo(PORTG_SET); 67 - W[P0] = R1.L; 68 - SSYNC; 69 - R1 = [SP++]; 70 - P0 = [SP++]; 71 - UNLINK; 72 - RTS; 73 - .size _led_on, .-_led_on 74 - 75 - /* Set one LED off. Leave other LEDs unchanged. */ 76 - 77 - ENTRY(_led_off) 78 - LINK 0; 79 - [--SP] = P0; 80 - [--SP] = R1; 81 - CALL _led_init; 82 - R1 = 1; 83 - R0 += 5; 84 - R1 <<= R0; 85 - P0.H = hi(PORTG_CLEAR); 86 - P0.L = lo(PORTG_CLEAR); 87 - W[P0] = R1.L; 88 - SSYNC; 89 - R1 = [SP++]; 90 - P0 = [SP++]; 91 - UNLINK; 92 - RTS; 93 - .size _led_off, .-_led_off 94 - 95 - /* Toggle one LED. Leave other LEDs unchanged. */ 96 - 97 - ENTRY(_led_toggle) 98 - LINK 0; 99 - [--SP] = P0; 100 - [--SP] = R1; 101 - CALL _led_init; 102 - R1 = 1; 103 - R0 += 5; 104 - R1 <<= R0; 105 - P0.H = hi(PORTG); 106 - P0.L = lo(PORTG); 107 - R0 = W[P0](Z); 108 - SSYNC; 109 - R0 = R0 ^ R1; 110 - W[P0] = R0.L; 111 - SSYNC; 112 - R1 = [SP++]; 113 - P0 = [SP++]; 114 - UNLINK; 115 - RTS; 116 - .size _led_toggle, .-_led_toggle 117 - 118 - /* Display the number using LEDs in binary format. */ 119 - 120 - ENTRY(_led_disp_num) 121 - LINK 0; 122 - [--SP] = P0; 123 - [--SP] = R1; 124 - [--SP] = R2; 125 - CALL _led_init; 126 - R1 = 0x3f(X); 127 - R0 = R0 & R1; 128 - R2 = 6(X); 129 - R0 <<= R2; 130 - R1 <<= R2; 131 - P0.H = hi(PORTG); 132 - P0.L = lo(PORTG); 133 - R2 = W[P0](Z); 134 - SSYNC; 135 - R1 = ~R1; 136 - R2 = R2 & R1; 137 - R2 = R2 | R0; 138 - W[P0] = R2.L; 139 - SSYNC; 140 - R2 = [SP++]; 141 - R1 = [SP++]; 142 - P0 = [SP++]; 143 - UNLINK; 144 - RTS; 145 - .size _led_disp_num, .-_led_disp_num 146 - 147 - /* Toggle the number using LEDs in binary format. */ 148 - 149 - ENTRY(_led_toggle_num) 150 - LINK 0; 151 - [--SP] = P0; 152 - [--SP] = R1; 153 - [--SP] = R2; 154 - CALL _led_init; 155 - R1 = 0x3f(X); 156 - R0 = R0 & R1; 157 - R1 = 6(X); 158 - R0 <<= R1; 159 - P0.H = hi(PORTG); 160 - P0.L = lo(PORTG); 161 - R1 = W[P0](Z); 162 - SSYNC; 163 - R1 = R1 ^ R0; 164 - W[P0] = R1.L; 165 - SSYNC; 166 - R2 = [SP++]; 167 - R1 = [SP++]; 168 - P0 = [SP++]; 169 - UNLINK; 170 - RTS; 171 - .size _led_toggle_num, .-_led_toggle_num 172 -
···
-7
include/asm-blackfin/bfin-global.h
··· 105 extern void *sram_alloc_with_lsl(size_t, unsigned long); 106 extern int sram_free_with_lsl(const void*); 107 108 - extern void led_on(int); 109 - extern void led_off(int); 110 - extern void led_toggle(int); 111 - extern void led_disp_num(int); 112 - extern void led_toggle_num(int); 113 - extern void init_leds(void); 114 - 115 extern const char bfin_board_name[]; 116 extern unsigned long wall_jiffies; 117
··· 105 extern void *sram_alloc_with_lsl(size_t, unsigned long); 106 extern int sram_free_with_lsl(const void*); 107 108 extern const char bfin_board_name[]; 109 extern unsigned long wall_jiffies; 110