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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-04-25 15:06:08 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-04-26 07:17:57 +0200 |
| commit | eb36d1198cdf9dc1e2f776ef6e1e38755f6d13c5 (patch) | |
| tree | 14177ad7a58c06a3c537d1e55dae7bc369a1a4b9 /bsps/m68k/mcf5225x | |
| parent | bsps: Remove unmaintained times files (diff) | |
| download | rtems-eb36d1198cdf9dc1e2f776ef6e1e38755f6d13c5.tar.bz2 | |
bsps: Move documentation, etc. files to bsps
This patch is a part of the BSP source reorganization.
Update #3285.
Diffstat (limited to 'bsps/m68k/mcf5225x')
| -rw-r--r-- | bsps/m68k/mcf5225x/README | 156 | ||||
| -rw-r--r-- | bsps/m68k/mcf5225x/gdb-init | 48 |
2 files changed, 204 insertions, 0 deletions
diff --git a/bsps/m68k/mcf5225x/README b/bsps/m68k/mcf5225x/README new file mode 100644 index 0000000000..883ff74974 --- /dev/null +++ b/bsps/m68k/mcf5225x/README @@ -0,0 +1,156 @@ +Description: embed-it dpu +============================================================================ +CPU: MCF52259, ??MHz +SRAM: 64K +FLASH: 512K + +This is a embed-it board that uses the MCF52258 Coldfire CPU. +This board is running at ??MHz scaled from the internal relocation 8MHz oscillator. + + + +OLD-STUFF from MCF52235 EVB ... we have to change it ... +============================================================================ +NOTES: + +Currently this BSP must be configured with most RTEMS features turned +off as RAM usage is too high. + +Configure as follows: +configure --target=m68k-rtems4.XXX --enable-rtemsbsp=mcf52235 ... + +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_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: + +*) Add drivers for I2C, ADC, FEC +*) Support for LWIP +*) Update the coverhd.h (calling overheads) page 21 of the BSP guide +*) Recover the 1K stack space reserved in linkcmds used for board startup. + +============================================================================ + + Interrupt map + ++-----+-----------------------------------------------------------------------+ +| | PRIORITY | ++-----+--------+--------+--------+--------+--------+--------+--------+--------+ +|LEVEL| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | ++-----+--------+--------+--------+--------+--------+--------+--------+--------+ +| 7 | | | | | | | | | ++-----+--------+--------+--------+--------+--------+--------+--------+--------+ +| 6 | | | | | | | | | ++-----+--------+--------+--------+--------+--------+--------+--------+--------+ +| 5 | | | | | | | | | ++-----+--------+--------+--------+--------+--------+--------+--------+--------+ +| 4 | | | | | | | | PIT | ++-----+--------+--------+--------+--------+--------+--------+--------+--------+ +| 3 | UART 0 | UART 1 | UART 2 | | | | | | ++-----+--------+--------+--------+--------+--------+--------+--------+--------+ +| 2 | | | | | | | | | ++-----+--------+--------+--------+--------+--------+--------+--------+--------+ +| 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_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 *** + + diff --git a/bsps/m68k/mcf5225x/gdb-init b/bsps/m68k/mcf5225x/gdb-init new file mode 100644 index 0000000000..cb94382b4d --- /dev/null +++ b/bsps/m68k/mcf5225x/gdb-init @@ -0,0 +1,48 @@ +# +# Show the exception stack frame. +# +define show-exception-sframe + set $frsr = *(unsigned short *)((unsigned long)$sp + 2) + set $frpc = *(unsigned long *)((unsigned long)$sp + 4) + set $frfvo = *(unsigned short *)((unsigned long)$sp + 0) + set $frcode = $frfvo >> 12 + set $frvect = ($frfvo & 0xFFF) >> 2 + set $frstatus = ((($frfvo >> 10) & 3) << 2) | ($frfvo & 3) + printf "EXCEPTION -- SR:0x%X PC:0x%X FRAME:0x%x VECTOR:%d STATUS:%d\n", $frsr, $frpc, $frcode, $frvect, $frstatus + if $frstatus == 4 + printf " Fault Type: Error on instruction fetch" + end + if $frstatus == 8 + printf " Fault Type: Error on operand write" + end + if $frstatus == 12 + printf " Fault Type: Error on operand read" + end + if $frstatus == 9 + printf " Fault Type: Attempted write to write-protected space" + end +end + +# Add -v and -d flags for bdm info +# Add -B flags to utilize hardware breakpoints when they are availiable + +#target remote | m68k-bdm-gdbserver pipe /dev/bdmcf0 +target remote | m68k-bdm-gdbserver pipe /dev/tblcf2 -B +#monitor set remote-debug 1 + +monitor bdm-reset + +# Set VBR to the beginning of what will be SRAM +monitor bdm-ctl-set 0x0801 0x20000000 + +# Set RAMBAR1 +monitor bdm-ctl-set 0x0C05 0x20000021 + +# Set FLASHBAR +monitor bdm-ctl-set 0x0C04 0x00000061 + +# Enable PST[3:0] signals +set *((char*) 0x40100074) = 0x0F + +# Add the load when debugging from ram which won't happen with rtems! +#load |