diff options
Diffstat (limited to 'cpu/blackfin/cpu.c')
| -rw-r--r-- | cpu/blackfin/cpu.c | 44 |
1 files changed, 7 insertions, 37 deletions
diff --git a/cpu/blackfin/cpu.c b/cpu/blackfin/cpu.c index 53de5aba6..30c214be7 100644 --- a/cpu/blackfin/cpu.c +++ b/cpu/blackfin/cpu.c @@ -14,45 +14,13 @@ #include <asm/blackfin.h> #include <asm/cplb.h> #include <asm/mach-common/bits/core.h> -#include <asm/mach-common/bits/mpu.h> +#include <asm/mach-common/bits/ebiu.h> #include <asm/mach-common/bits/trace.h> #include "cpu.h" #include "serial.h" -void icache_enable(void) -{ - bfin_write_IMEM_CONTROL(bfin_read_IMEM_CONTROL() | (IMC | ENICPLB)); - SSYNC(); -} - -void icache_disable(void) -{ - bfin_write_IMEM_CONTROL(bfin_read_IMEM_CONTROL() & ~(IMC | ENICPLB)); - SSYNC(); -} - -int icache_status(void) -{ - return bfin_read_IMEM_CONTROL() & ENICPLB; -} - -void dcache_enable(void) -{ - bfin_write_DMEM_CONTROL(bfin_read_DMEM_CONTROL() | (ACACHE_BCACHE | ENDCPLB | PORT_PREF0)); - SSYNC(); -} - -void dcache_disable(void) -{ - bfin_write_DMEM_CONTROL(bfin_read_DMEM_CONTROL() & ~(ACACHE_BCACHE | ENDCPLB | PORT_PREF0)); - SSYNC(); -} - -int dcache_status(void) -{ - return bfin_read_DMEM_CONTROL() & ENDCPLB; -} +ulong bfin_poweron_retx; __attribute__ ((__noreturn__)) void cpu_init_f(ulong bootflag, ulong loaded_from_ldr) @@ -83,6 +51,9 @@ void cpu_init_f(ulong bootflag, ulong loaded_from_ldr) bfin_write_EBIU_AMGCTL(CONFIG_EBIU_AMGCTL_VAL); #endif + /* Save RETX so we can pass it while booting Linux */ + bfin_poweron_retx = bootflag; + #ifdef CONFIG_DEBUG_DUMP /* Turn on hardware trace buffer */ bfin_write_TBUFCTL(TBUFPWR | TBUFEN); @@ -133,9 +104,8 @@ int irq_init(void) bfin_write_EVT15(evt_default); bfin_write_ILAT(0); CSYNC(); - /* enable all interrupts except for core timer */ - irq_flags = 0xffffffbf; + /* enable hardware error irq */ + irq_flags = 0x3f; local_irq_enable(); - CSYNC(); return 0; } |