diff options
Diffstat (limited to 'arch/blackfin/mach-bf533/head.S')
| -rw-r--r-- | arch/blackfin/mach-bf533/head.S | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/arch/blackfin/mach-bf533/head.S b/arch/blackfin/mach-bf533/head.S index 4db9e624090..33d1f623fe4 100644 --- a/arch/blackfin/mach-bf533/head.S +++ b/arch/blackfin/mach-bf533/head.S @@ -51,13 +51,14 @@ ENTRY(__start) ENTRY(__stext) /* R0: argument of command line string, passed from uboot, save it */ R7 = R0; - /* Set the SYSCFG register */ + /* Set the SYSCFG register: + * Enable Cycle Counter and Nesting Of Interrupts (3rd Bit) + */ R0 = 0x36; - /*Enable Cycle Counter and Nesting Of Interrupts(3rd Bit)*/ SYSCFG = R0; R0 = 0; - /*Clear Out All the data and pointer Registers*/ + /* Clear Out All the data and pointer Registers */ R1 = R0; R2 = R0; R3 = R0; @@ -79,7 +80,7 @@ ENTRY(__stext) L2 = r0; L3 = r0; - /* Clear Out All the DAG Registers*/ + /* Clear Out All the DAG Registers */ B0 = r0; B1 = r0; B2 = r0; @@ -303,7 +304,7 @@ ENTRY(_real_start) .L_clear_zero: W[p1++] = r0; -/* pass the uboot arguments to the global value command line */ + /* pass the uboot arguments to the global value command line */ R0 = R7; call _cmdline_init; @@ -322,7 +323,7 @@ ENTRY(_real_start) [p1] = r1; /* - * load the current thread pointer and stack + * load the current thread pointer and stack */ r1.l = _init_thread_union; r1.h = _init_thread_union; @@ -439,8 +440,8 @@ ENTRY(_start_dma_code) p0.h = hi(SIC_IWR); p0.l = lo(SIC_IWR); - r0.l = lo(IWR_ENABLE_ALL) - r0.h = hi(IWR_ENABLE_ALL) + r0.l = lo(IWR_ENABLE_ALL); + r0.h = hi(IWR_ENABLE_ALL); [p0] = r0; SSYNC; |