DESCRIPTION: The Boot ROM is executed at power up/reset and changes the value of the SICA_IWR registers from their default reset value of 0xFFFF, but does not restore them.
WORKAROUND: User code should not rely on the default value of these registers. Set the desired values explicitly.
Signed-off-by: Mike Frysinger vapier@gentoo.org --- cpu/blackfin/initcode.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/cpu/blackfin/initcode.c b/cpu/blackfin/initcode.c index 3120447..d44c6a6 100644 --- a/cpu/blackfin/initcode.c +++ b/cpu/blackfin/initcode.c @@ -356,6 +356,10 @@ void initcode(ADI_BOOT_DATA *bootstruct) #if ANOMALY_05000432 bfin_write_SIC_IWR1(-1); #endif +#if ANOMALY_05000171 + bfin_write_SICA_IWR0(-1); + bfin_write_SICA_IWR1(-1); +#endif } else { serial_putc('G');