diff options
Diffstat (limited to 'arch/blackfin/mach-bf561')
| -rw-r--r-- | arch/blackfin/mach-bf561/secondary.S | 7 | ||||
| -rw-r--r-- | arch/blackfin/mach-bf561/smp.c | 9 |
2 files changed, 6 insertions, 10 deletions
diff --git a/arch/blackfin/mach-bf561/secondary.S b/arch/blackfin/mach-bf561/secondary.S index 148e507..4c46283 100644 --- a/arch/blackfin/mach-bf561/secondary.S +++ b/arch/blackfin/mach-bf561/secondary.S @@ -13,7 +13,11 @@ #include <asm/asm-offsets.h> #include <asm/trace.h> -__INIT +/* + * This code must come first as CoreB is hardcoded (in hardware) + * to start at the beginning of its L1 instruction memory. + */ +.section .l1.text.head /* Lay the initial stack into the L1 scratch area of Core B */ #define INITIAL_STACK (COREB_L1_SCRATCH_START + L1_SCRATCH_LENGTH - 12) @@ -160,7 +164,6 @@ ENTRY(_coreb_trampoline_start) .LWAIT_HERE: jump .LWAIT_HERE; ENDPROC(_coreb_trampoline_start) -ENTRY(_coreb_trampoline_end) #ifdef CONFIG_HOTPLUG_CPU .section ".text" diff --git a/arch/blackfin/mach-bf561/smp.c b/arch/blackfin/mach-bf561/smp.c index 1074a7e..82b94e1 100644 --- a/arch/blackfin/mach-bf561/smp.c +++ b/arch/blackfin/mach-bf561/smp.c @@ -30,18 +30,11 @@ void __init platform_init_cpus(void) void __init platform_prepare_cpus(unsigned int max_cpus) { - int len; - - len = &coreb_trampoline_end - &coreb_trampoline_start + 1; - BUG_ON(len > L1_CODE_LENGTH); - - dma_memcpy((void *)COREB_L1_CODE_START, &coreb_trampoline_start, len); + bfin_relocate_coreb_l1_mem(); /* Both cores ought to be present on a bf561! */ cpu_set(0, cpu_present_map); /* CoreA */ cpu_set(1, cpu_present_map); /* CoreB */ - - printk(KERN_INFO "CoreB bootstrap code to SRAM %p via DMA.\n", (void *)COREB_L1_CODE_START); } int __init setup_profiling_timer(unsigned int multiplier) /* not supported */ |