diff options
Diffstat (limited to 'arch/blackfin/cpu/cpu.c')
| -rw-r--r-- | arch/blackfin/cpu/cpu.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/arch/blackfin/cpu/cpu.c b/arch/blackfin/cpu/cpu.c index 18dbdf7..6a0bcca 100644 --- a/arch/blackfin/cpu/cpu.c +++ b/arch/blackfin/cpu/cpu.c @@ -19,6 +19,7 @@ #include "cpu.h" #include "serial.h" +#include "initcode.h" ulong bfin_poweron_retx; @@ -44,13 +45,16 @@ void cpu_init_f(ulong bootflag, ulong loaded_from_ldr) extern char _sdata_l1[], _data_l1_lma[], _data_l1_len[]; memcpy(&_sdata_l1, &_data_l1_lma, (unsigned long)_data_l1_len); } -#if defined(__ADSPBF537__) || defined(__ADSPBF536__) || defined(__ADSPBF534__) - /* The BF537 bootrom will reset the EBIU_AMGCTL register on us - * after it has finished loading the LDR. So configure it again. + + /* + * Make sure our async settings are committed. Some bootroms + * (like the BF537) will reset some registers on us after it + * has finished loading the LDR. Or if we're booting over + * JTAG, the initcode never got a chance to run. Or if we + * aren't booting from parallel flash, the initcode skipped + * this step completely. */ - else - bfin_write_EBIU_AMGCTL(CONFIG_EBIU_AMGCTL_VAL); -#endif + program_async_controller(NULL); /* Save RETX so we can pass it while booting Linux */ bfin_poweron_retx = bootflag; |