diff options
| author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2011-03-04 16:03:46 +0000 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2011-03-04 16:03:46 +0000 |
| commit | 3f60fb4f3aac86eaa327438004e59ee348a3d84d (patch) | |
| tree | f9905848f62fe7ab794e7a574b647d946327c588 /c/src/lib/libbsp/m68k/uC5282/include | |
| parent | 2011-03-04 Joel Sherrill <joel.sherrilL@OARcorp.com> (diff) | |
| download | rtems-3f60fb4f3aac86eaa327438004e59ee348a3d84d.tar.bz2 | |
2011-03-04 Till Straumann <strauman@slac.stanford.edu>
PR 1738/bsps
* clock/clock.c, include/bsp.h, network/network.c: system clock driver
programs the PIT w/o assuming the CPU clock frequency being a power
of two.
Diffstat (limited to 'c/src/lib/libbsp/m68k/uC5282/include')
| -rw-r--r-- | c/src/lib/libbsp/m68k/uC5282/include/bsp.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/m68k/uC5282/include/bsp.h b/c/src/lib/libbsp/m68k/uC5282/include/bsp.h index 899dda7d43..47e379781f 100644 --- a/c/src/lib/libbsp/m68k/uC5282/include/bsp.h +++ b/c/src/lib/libbsp/m68k/uC5282/include/bsp.h @@ -134,6 +134,31 @@ int BSP_vme2local_adrs(unsigned am, unsigned long vmeaddr, unsigned long *plocal void *bsp_idle_thread( uintptr_t ignored ); #define BSP_IDLE_TASK_BODY bsp_idle_thread +/* + * SRAM. The BSP uses SRAM for maintaining some clock-driver data + * and for ethernet descriptors (and the initial stack during + * early boot). + */ + +typedef struct mcf5282BufferDescriptor_ { + volatile uint16_t status; + uint16_t length; + volatile void *buffer; +} mcf5282BufferDescriptor_t; + +extern struct { + uint32_t idle_counter; + uint32_t filtered_idle; + uint32_t max_idle_count; + uint32_t pitc_per_tick; + uint32_t nsec_per_pitc; + uint32_t pad[3]; /* align to 16-bytes for descriptors */ + mcf5282BufferDescriptor_t fec_descriptors[]; + /* buffer descriptors are allocated from here */ + + /* initial stack is at top of SRAM (start.S) */ +} __SRAMBASE; + #ifdef __cplusplus } #endif |