diff options
Diffstat (limited to 'tcl/board/eir.cfg')
| -rw-r--r-- | tcl/board/eir.cfg | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/tcl/board/eir.cfg b/tcl/board/eir.cfg new file mode 100644 index 00000000..08765658 --- /dev/null +++ b/tcl/board/eir.cfg @@ -0,0 +1,94 @@ +# Elector Internet Radio board +# http://www.ethernut.de/en/hardware/eir/index.html + +source [find target/sam7se512.cfg] + +$_TARGETNAME configure -event reset-init { + # WDT_MR, disable watchdog + mww 0xFFFFFD44 0x00008000 + + # RSTC_MR, enable user reset + mww 0xfffffd08 0xa5000001 + + # CKGR_MOR + mww 0xFFFFFC20 0x00000601 + sleep 10 + + # CKGR_PLLR + mww 0xFFFFFC2C 0x00481c0e + sleep 10 + + # PMC_MCKR + mww 0xFFFFFC30 0x00000007 + sleep 10 + + # PMC_IER + mww 0xFFFFFF60 0x00480100 + + # + # Enable SDRAM interface. + # + + # Enable SDRAM control at PIO A. + mww 0xfffff474 0x3f800000 # PIO_BSR_OFF + mww 0xfffff404 0x3f800000 # PIO_PDR_OFF + + # Enable address bus (A0, A2-A11, A13-A17) at PIO B + mww 0xfffff674 0x0003effd # PIO_BSR_OFF + mww 0xfffff604 0x0003effd # PIO_PDR_OFF + + # Enable 16 bit data bus at PIO C + mww 0xfffff870 0x0000ffff # PIO_ASR_OFF + mww 0xfffff804 0x0000ffff # PIO_PDR_OFF + + # Enable SDRAM chip select + mww 0xffffff80 0x00000002 # EBI_CSA_OFF + + # Set SDRAM characteristics in configuration register. + # Hard coded values for MT48LC32M16A2 with 48MHz CPU. + mww 0xffffffb8 0x2192215a # SDRAMC_CR_OFF + sleep 10 + + # Issue 16 bit SDRAM command: NOP + mww 0xffffffb0 0x00000011 # SDRAMC_MR_OFF + mww 0x20000000 0x00000000 + + # Issue 16 bit SDRAM command: Precharge all + mww 0xffffffb0 0x00000012 # SDRAMC_MR_OFF + mww 0x20000000 0x00000000 + + # Issue 8 auto-refresh cycles + mww 0xffffffb0 0x00000014 # SDRAMC_MR_OFF + mww 0x20000000 0x00000000 + mww 0xffffffb0 0x00000014 # SDRAMC_MR_OFF + mww 0x20000000 0x00000000 + mww 0xffffffb0 0x00000014 # SDRAMC_MR_OFF + mww 0x20000000 0x00000000 + mww 0xffffffb0 0x00000014 # SDRAMC_MR_OFF + mww 0x20000000 0x00000000 + mww 0xffffffb0 0x00000014 # SDRAMC_MR_OFF + mww 0x20000000 0x00000000 + mww 0xffffffb0 0x00000014 # SDRAMC_MR_OFF + mww 0x20000000 0x00000000 + mww 0xffffffb0 0x00000014 # SDRAMC_MR_OFF + mww 0x20000000 0x00000000 + mww 0xffffffb0 0x00000014 # SDRAMC_MR_OFF + mww 0x20000000 0x00000000 + + # Issue 16 bit SDRAM command: Set mode register + mww 0xffffffb0 0x00000013 # SDRAMC_MR_OFF + mww 0x20000014 0xcafedede + + # Set refresh rate count ??? + mww 0xffffffb4 0x00000013 # SDRAMC_TR_OFF + + # Issue 16 bit SDRAM command: Normal mode + mww 0xffffffb0 0x00000010 # SDRAMC_MR_OFF + mww 0x20000000 0x00000180 + + # + # Enable external reset key. + # + mww 0xfffffd08 0xa5000001 +} + |