diff options
Diffstat (limited to '')
| -rw-r--r-- | c/src/lib/libbsp/m68k/mcf52235/README | 123 |
1 files changed, 115 insertions, 8 deletions
diff --git a/c/src/lib/libbsp/m68k/mcf52235/README b/c/src/lib/libbsp/m68k/mcf52235/README index b52aa5de91..469499e581 100644 --- a/c/src/lib/libbsp/m68k/mcf52235/README +++ b/c/src/lib/libbsp/m68k/mcf52235/README @@ -3,7 +3,7 @@ # Description: Motorola MCF52235EVB -============ +============================================================================ CPU: MCF52235, 60MHz SRAM: 32K FLASH: 256K @@ -11,10 +11,10 @@ FLASH: 256K This is a Motorola evaluation board that uses the MCF52235 Coldfire CPU. This board is running at 60MHz scaled from a 25MHz oscillator. +============================================================================ NOTES: -====== -Currently this BSP must be configured with most (all?) RTEMS features turned +Currently this BSP must be configured with most RTEMS features turned off as RAM usage is too high. Configure as follows: @@ -22,17 +22,35 @@ configure --target=m68k-rtems4.9 --enable-rtemsbsp=mcf52235 \ --disable-networking --disable-posix --disable-itron --disable-cxx \ --disable-tests +To get the tests to compile (but not run) change the linkcmds to specify +a larger sram memory region (256K works). This of course will let you +compile all tests, but many or most of them wont run. + +See testsuites/samples/minumum for an example of what type of config flags +you need for this BSP! + +In you project before you include confdefs.h, define some or all of the +following: + +#define CONFIGURE_DISABLE_CLASSIC_API_NOTEPADS +#define CONFIGURE_DISABLE_CLASSIC_NOTEPADS +#define CONFIGURE_INIT_TASK_STACK_SIZE x +#define CONFIGURE_MINIMUM_TASK_STACK_SIZE x +#define CONFIGURE_INTERRUPT_STACK_SIZE x + +Note that the default stack size is 1K +Note that the default number of priorities is 15 + +============================================================================ TODO: -===== -*) Work with TINY RTEMS to get the ram usage down. *) Add drivers for I2C, ADC, FEC *) Support for LWIP *) Update the coverhd.h (calling overheads) page 21 of the BSP guide -*) Adjust initial stack so that it's space is not forever unusable after init -*) Fix up constants used by cfinit such as clockspeed, rambase, flashbase etc. +*) Recover the 1K stack space reserved in linkcmds used for board startup. ============================================================================ + Interrupt map +-----+-----------------------------------------------------------------------+ @@ -46,7 +64,7 @@ TODO: +-----+--------+--------+--------+--------+--------+--------+--------+--------+ | 5 | | | | | | | | | +-----+--------+--------+--------+--------+--------+--------+--------+--------+ -| 4 | FEC RX | FEC TX | | | | | | PIT | +| 4 | | | | | | | | PIT | +-----+--------+--------+--------+--------+--------+--------+--------+--------+ | 3 | UART 0 | UART 1 | UART 2 | | | | | | +-----+--------+--------+--------+--------+--------+--------+--------+--------+ @@ -54,3 +72,92 @@ TODO: +-----+--------+--------+--------+--------+--------+--------+--------+--------+ | 1 | | | | | | | | | +-----+--------+--------+--------+--------+--------+--------+--------+--------+ + +============================================================================ + +*** TIME TEST 1 *** +rtems_semaphore_create 8 +rtems_semaphore_delete 10 +rtems_semaphore_obtain: available 3 +rtems_semaphore_obtain: not available -- NO_WAIT 3 +rtems_semaphore_release: no waiting tasks 7 +*** END OF TEST 1 *** + + +*** TIME TEST OVERHEAD *** +rtems_shutdown_executive 0 +rtems_task_create 0 +rtems_task_ident 0 +rtems_task_start 0 +rtems_task_restart 0 +rtems_task_delete 0 +rtems_task_suspend 0 +rtems_task_resume 0 +rtems_task_set_priority 0 +rtems_task_mode 0 +rtems_task_get_note 0 +rtems_task_set_note 0 +rtems_task_wake_when 0 +rtems_task_wake_after 0 +rtems_interrupt_catch 0 +rtems_clock_get 0 +rtems_clock_set 0 +rtems_clock_tick 0 +<pause> +rtems_timer_create 0 +rtems_timer_delete 0 +rtems_timer_ident 0 +rtems_timer_fire_after 0 +rtems_timer_fire_when 1 +rtems_timer_reset 0 +rtems_timer_cancel 0 +rtems_semaphore_create 0 +rtems_semaphore_delete 0 +rtems_semaphore_ident 0 +rtems_semaphore_obtain 0 +rtems_semaphore_release 0 +rtems_message_queue_create 0 +rtems_message_queue_ident 0 +rtems_message_queue_delete 0 +rtems_message_queue_send 0 +rtems_message_queue_urgent 0 +rtems_message_queue_broadcast 0 +rtems_message_queue_receive 0 +rtems_message_queue_flush 0 +<pause> +rtems_event_send 0 +rtems_event_receive 0 +rtems_signal_catch 0 +rtems_signal_send 0 +rtems_partition_create 0 +rtems_partition_ident 0 +rtems_partition_delete 0 +rtems_partition_get_buffer 0 +rtems_partition_return_buffer 0 +rtems_region_create 0 +rtems_region_ident 0 +rtems_region_delete 0 +rtems_region_get_segment 0 +rtems_region_return_segment 0 +rtems_port_create 0 +rtems_port_ident 0 +rtems_port_delete 0 +rtems_port_external_to_internal 0 +rtems_port_internal_to_external 0 +<pause> +rtems_io_initialize 0 +rtems_io_open 0 +rtems_io_close 0 +rtems_io_read 0 +rtems_io_write 0 +rtems_io_control 0 +rtems_fatal_error_occurred 0 +rtems_rate_monotonic_create 0 +rtems_rate_monotonic_ident 0 +rtems_rate_monotonic_delete 0 +rtems_rate_monotonic_cancel 0 +rtems_rate_monotonic_period 0 +rtems_multiprocessing_announce 0 +*** END OF TIME OVERHEAD *** + + |