diff options
| -rw-r--r-- | tcl/board/propox_mmnet1001.cfg | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/tcl/board/propox_mmnet1001.cfg b/tcl/board/propox_mmnet1001.cfg new file mode 100644 index 00000000..aa6681e4 --- /dev/null +++ b/tcl/board/propox_mmnet1001.cfg @@ -0,0 +1,83 @@ + +## Chip: +set CHIPNAME at91sam9260 +set CPUTAPID 0x0792603f +set ENDIAN little +source [find target/at91sam9260.cfg] + +$_TARGETNAME configure -event reset-init {at91sam_init} + + +proc at91sam_init { } { + + # at reset chip runs at 32 kHz => 1/8 * 32 kHz = 4 kHz + jtag_rclk 4 + + # Enable user reset and disable watchdog + mww 0xfffffd08 0xa5000501 # RSTC_MR : enable user reset + mww 0xfffffd44 0x00008000 # WDT_MR : disable watchdog + + # Oscillator setup + mww 0xfffffc20 0x00004001 # CKGR_MOR : enable the main oscillator (18.432 MHz) + sleep 20 # wait 20 ms + mww 0xfffffc30 0x00000001 # PMC_MCKR : switch to main oscillator + sleep 10 # wait 10 ms + + # now we are running at 18.432 MHz kHz => 1/8 * 18.432 MHz = 2.304 MHz + jtag_rclk 2000 + + mww 0xfffffc28 0x2060bf09 # CKGR_PLLAR: Set PLLA Register for 198,656MHz + sleep 20 # wait 20 ms + mww 0xfffffc2c 0x207c3f0c # CKGR_PLLBR: Set PLLB Register for USB usage (USB_CLK = 48 MHz) + sleep 10 # wait 10 ms + mww 0xfffffc30 0x00000101 # PMC_MCKR : Select prescaler + sleep 10 # wait 10 ms + mww 0xfffffc30 0x00000102 # PMC_MCKR : Clock from PLLA is selected + sleep 10 # wait 10 ms + + # now we are running at 198.656 MHz kHz => full speed jtag + jtag_rclk 30000 + + arm7_9 dcc_downloads enable # Enable faster DCC downloads + + # Configure PIO Controller for SDRAM data-lines D16-D31 + # PC16-PC31 = Peripheral A: D16-D32 + mww 0xfffff844 0xffff0000 # Interrupt Disable + mww 0xfffff854 0xffff0000 # Multi-Drive Disable + mww 0xfffff860 0xffff0000 # Pull-Up Disable + mww 0xfffff870 0xffff0000 # PIO_ASR : Select peripheral A function for D15..D31 + mww 0xfffff804 0xffff0000 # PIO_PDR : Disable PIO function for D15..D31 (Peripheral function enable) + mww 0xfffffc10 0x00000010 # Enable PIO-C Clock in PMC (PID=4) + + # SD-Ram setup + mww 0xffffef1c 0x2 # EBI_CSA : Assign EBI Chip Select 1 to SDRAM + mww 0xffffea08 0x85227259 # SDRAMC_CR : Configure SDRAM (IS42S32160A: 4M Words x 32 Bits x 4 Banks (512-Mbit)) + mww 0xffffea00 0x1 # SDRAMC_MR : issue a NOP command + mww 0x20000000 0 + mww 0xffffea00 0x2 # SDRAMC_MR : issue an 'All Banks Precharge' command + mww 0x20000000 0 + mww 0xffffea00 0x4 # SDRAMC_MR : issue an 'Auto-Refresh' command (1st) + mww 0x20000000 0 + mww 0xffffea00 0x4 # SDRAMC_MR : issue an 'Auto-Refresh' command (2nd) + mww 0x20000000 0 + mww 0xffffea00 0x4 # SDRAMC_MR : issue an 'Auto-Refresh' command (3th) + mww 0x20000000 0 + mww 0xffffea00 0x4 # SDRAMC_MR : issue an 'Auto-Refresh' command (4th) + mww 0x20000000 0 + mww 0xffffea00 0x4 # SDRAMC_MR : issue an 'Auto-Refresh' command (5th) + mww 0x20000000 0 + mww 0xffffea00 0x4 # SDRAMC_MR : issue an 'Auto-Refresh' command (6th) + mww 0x20000000 0 + mww 0xffffea00 0x4 # SDRAMC_MR : issue an 'Auto-Refresh' command (7th) + mww 0x20000000 0 + mww 0xffffea00 0x4 # SDRAMC_MR : issue an 'Auto-Refresh' command (8th) + mww 0x20000000 0 + mww 0xffffea00 0x3 # SDRAMC_MR : issue a 'Load Mode Register' command + mww 0x20000000 0 + mww 0xffffea00 0x0 # SDRAMC_MR : Normal Mode + mww 0x20000000 0 + mww 0xFFFFEA04 0x30d # SDRAM Refresh Time Register + # datasheet: 8k refresh cycles / 64 ms + # MCLK / (8*1024 / 64e-3) = 100e6 / 128000 = 781 = 0x30d + +} |