diff options
Diffstat (limited to '')
| -rw-r--r-- | c/src/lib/libbsp/m68k/mcf52235/README | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/m68k/mcf52235/README b/c/src/lib/libbsp/m68k/mcf52235/README new file mode 100644 index 0000000000..b52aa5de91 --- /dev/null +++ b/c/src/lib/libbsp/m68k/mcf52235/README @@ -0,0 +1,56 @@ +# +# $Id: +# + +Description: Motorola MCF52235EVB +============ +CPU: MCF52235, 60MHz +SRAM: 32K +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 +off as RAM usage is too high. + +Configure as follows: +configure --target=m68k-rtems4.9 --enable-rtemsbsp=mcf52235 \ + --disable-networking --disable-posix --disable-itron --disable-cxx \ + --disable-tests + +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. + +============================================================================ + Interrupt map + ++-----+-----------------------------------------------------------------------+ +| | PRIORITY | ++-----+--------+--------+--------+--------+--------+--------+--------+--------+ +|LEVEL| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | ++-----+--------+--------+--------+--------+--------+--------+--------+--------+ +| 7 | | | | | | | | | ++-----+--------+--------+--------+--------+--------+--------+--------+--------+ +| 6 | | | | | | | | | ++-----+--------+--------+--------+--------+--------+--------+--------+--------+ +| 5 | | | | | | | | | ++-----+--------+--------+--------+--------+--------+--------+--------+--------+ +| 4 | FEC RX | FEC TX | | | | | | PIT | ++-----+--------+--------+--------+--------+--------+--------+--------+--------+ +| 3 | UART 0 | UART 1 | UART 2 | | | | | | ++-----+--------+--------+--------+--------+--------+--------+--------+--------+ +| 2 | | | | | | | | | ++-----+--------+--------+--------+--------+--------+--------+--------+--------+ +| 1 | | | | | | | | | ++-----+--------+--------+--------+--------+--------+--------+--------+--------+ |