diff options
Diffstat (limited to 'arch/blackfin/kernel')
-rw-r--r-- | arch/blackfin/kernel/setup.c | 14 | ||||
-rw-r--r-- | arch/blackfin/kernel/traps.c | 11 |
2 files changed, 12 insertions, 13 deletions
diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c index 07c1cfdc958e..a86bf6545781 100644 --- a/arch/blackfin/kernel/setup.c +++ b/arch/blackfin/kernel/setup.c | |||
@@ -194,6 +194,17 @@ void __init setup_arch(char **cmdline_p) | |||
194 | /* this give a chance to get printk() working before crash. */ | 194 | /* this give a chance to get printk() working before crash. */ |
195 | #endif | 195 | #endif |
196 | 196 | ||
197 | printk(KERN_INFO "Hardware Trace "); | ||
198 | if (bfin_read_TBUFCTL() & 0x1 ) | ||
199 | printk("Active "); | ||
200 | else | ||
201 | printk("Off "); | ||
202 | if (bfin_read_TBUFCTL() & 0x2) | ||
203 | printk("and Enabled\n"); | ||
204 | else | ||
205 | printk("and Disabled\n"); | ||
206 | |||
207 | |||
197 | #if defined(CONFIG_CHR_DEV_FLASH) || defined(CONFIG_BLK_DEV_FLASH) | 208 | #if defined(CONFIG_CHR_DEV_FLASH) || defined(CONFIG_BLK_DEV_FLASH) |
198 | /* we need to initialize the Flashrom device here since we might | 209 | /* we need to initialize the Flashrom device here since we might |
199 | * do things with flash early on in the boot | 210 | * do things with flash early on in the boot |
@@ -397,9 +408,6 @@ void __init setup_arch(char **cmdline_p) | |||
397 | _bfin_swrst = bfin_read_SWRST(); | 408 | _bfin_swrst = bfin_read_SWRST(); |
398 | #endif | 409 | #endif |
399 | 410 | ||
400 | printk(KERN_INFO "Hardware Trace Enabled\n"); | ||
401 | bfin_write_TBUFCTL(0x03); | ||
402 | |||
403 | /* Copy atomic sequences to their fixed location, and sanity check that | 411 | /* Copy atomic sequences to their fixed location, and sanity check that |
404 | these locations are the ones that we advertise to userspace. */ | 412 | these locations are the ones that we advertise to userspace. */ |
405 | memcpy((void *)FIXED_CODE_START, &fixed_code_start, | 413 | memcpy((void *)FIXED_CODE_START, &fixed_code_start, |
diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c index 56058b0b6d4a..a58d0f50be20 100644 --- a/arch/blackfin/kernel/traps.c +++ b/arch/blackfin/kernel/traps.c | |||
@@ -33,6 +33,7 @@ | |||
33 | #include <asm/blackfin.h> | 33 | #include <asm/blackfin.h> |
34 | #include <asm/uaccess.h> | 34 | #include <asm/uaccess.h> |
35 | #include <asm/irq_handler.h> | 35 | #include <asm/irq_handler.h> |
36 | #include <asm/trace.h> | ||
36 | #include <linux/interrupt.h> | 37 | #include <linux/interrupt.h> |
37 | #include <linux/module.h> | 38 | #include <linux/module.h> |
38 | #include <linux/kallsyms.h> | 39 | #include <linux/kallsyms.h> |
@@ -131,16 +132,6 @@ static int printk_address(unsigned long address) | |||
131 | return printk("[<0x%p>]", (void*)address); | 132 | return printk("[<0x%p>]", (void*)address); |
132 | } | 133 | } |
133 | 134 | ||
134 | #define trace_buffer_save(x) \ | ||
135 | do { \ | ||
136 | (x) = bfin_read_TBUFCTL(); \ | ||
137 | bfin_write_TBUFCTL((x) & ~TBUFEN); \ | ||
138 | } while (0) | ||
139 | #define trace_buffer_restore(x) \ | ||
140 | do { \ | ||
141 | bfin_write_TBUFCTL((x)); \ | ||
142 | } while (0) | ||
143 | |||
144 | asmlinkage void trap_c(struct pt_regs *fp) | 135 | asmlinkage void trap_c(struct pt_regs *fp) |
145 | { | 136 | { |
146 | int j, sig = 0; | 137 | int j, sig = 0; |