Bfrom_Spiboot - Analog Devices ADSP-BF506F Hardware Reference Manual

BFROM_SPIBOOT

Entry address:
0xEF00 000A
Arguments:
• SPI address in
•
dFlags
•
dBlockCount
•
pCallHook
• updated block count returned in
C prototype:
s32 bfrom_SpiBoot (
s32 dSpiAddress,
s32 dFlags,
s32 dBlockCount,
ADI_BOOT_HOOK_FUNC* pCallHook);
This SPI master boot routine processes boot streams residing in SPI mem-
ories, using the SPI0 controller. The fourth argument
over the stack. It provides a hook to call a callback routine after the
ADI_BOOT_DATA
routine may overwrite the default value of the
pCallHook
the
ADI_BOOT_DATA
"Boot Host Wait (HWAIT) Feedback Strobe" on page
0x060D represents GPIO
Additional bits in the
the
BFLAG_PERIPHERAL
BFLAG_NOAUTO
ADSP-BF50x Blackfin Processor Hardware Reference
R0
in
R1
in
R2
passed over the stack in [FP+0x14]
structure is filled with default values. For example, the
structure. The coding follows the rules of
(
PF13 SPI0_SSEL1
word are relevant. The user should always set
dFlags
flag but never the
flag instructs the system to skip the SPI device detection
System Reset and Booting
R0
pCallHook
uwSsel
24-19). A value of
).
bit. The
BFLAG_SLAVE
is passed
value in
(see
uwHWAIT
24-77