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| author | Stefan Roese <sr@denx.de> | 2007-08-06 21:10:17 +0200 |
|---|---|---|
| committer | Stefan Roese <sr@denx.de> | 2007-08-06 21:10:17 +0200 |
| commit | 537223afa61f64480df31ce440a9cb386df4a814 (patch) | |
| tree | f4a0246d860d8564dd4f4eae323d33ec9fb1112f /doc/README.bamboo | |
| parent | b5dc4403f6351133c92faea8f6ea3037cbd48f2c (diff) | |
| download | u-boot-imx-537223afa61f64480df31ce440a9cb386df4a814.zip u-boot-imx-537223afa61f64480df31ce440a9cb386df4a814.tar.gz u-boot-imx-537223afa61f64480df31ce440a9cb386df4a814.tar.bz2 | |
ppc4xx: Update AMCC Bamboo README doc/README.bamboo
As suggested by Eugene O'Brien <Eugene.O'Brien@advantechamt.com>,
here an updated Bamboo README.
Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'doc/README.bamboo')
| -rw-r--r-- | doc/README.bamboo | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/doc/README.bamboo b/doc/README.bamboo index b50be01..e139c6d 100644 --- a/doc/README.bamboo +++ b/doc/README.bamboo @@ -1,3 +1,65 @@ +The 2 important dipswitches are configured as shown below: + +SW1 (for 33MHz SysClk) +---------------------- +S1 S2 S3 S4 S5 S6 S7 S8 +OFF OFF OFF OFF OFF OFF OFF ON + +SW7 (for Op-Code Flash and Boot Option H) +----------------------------------------- +S1 S2 S3 S4 S5 S6 S7 S8 +OFF OFF OFF ON OFF OFF OFF OFF + +The EEPROM at location 0x52 is loaded with these 16 bytes: +C47042A6 05D7A190 40082350 0d050000 + +SDR0_SDSTP0[ENG]: 1 : PLL's VCO is the source for PLL forward divisors +SDR0_SDSTP0[SRC]: 1 : Feedback originates from PLLOUTB +SDR0_SDSTP0[SEL]: 0 : Feedback selection is PLL output +SDR0_SDSTP0[TUNE]: 1000111000 : 10 <= M <= 22, 600MHz < VCO <= 900MHz +SDR0_SDSTP0[FBDV]: 4 : PLL feedback divisor +SDR0_SDSTP0[FBDVA]: 2 : PLL forward divisor A +SDR0_SDSTP0[FBDVB]: 5 : PLL forward divisor B +SDR0_SDSTP0[PRBDV0]: 1 : PLL primary divisor B +SDR0_SDSTP0[OPBDV0]: 2 : OPB clock divisor +SDR0_SDSTP0[LFBDV]: 1 : PLL local feedback divisor +SDR0_SDSTP0[PERDV0]: 3 : Peripheral clock divisor 0 +SDR0_SDSTP0[MALDV0]: 2 : MAL clock divisor 0 +SDR0_SDSTP0[PCIDV0]: 2 : Sync PCI clock divisor 0 +SDR0_SDSTP0[PLLTIMER]: 7 : PLL locking timer +SDR0_SDSTP0[RW]: 1 : EBC ROM width: 16-bit +SDR0_SDSTP0[RL]: 0 : EBC ROM location: EBC +SDR0_SDSTP0[PAE]: 0 : PCI internal arbiter: disabled +SDR0_SDSTP0[PHCE]: 0 : PCI host configuration: disabled +SDR0_SDSTP0[ZM]: 3 : ZMII mode: RMII mode 100 +SDR0_SDSTP0[CTE]: 0 : CPU trace: disabled +SDR0_SDSTP0[Nto1]: 0 : CPU/PLB ratio N/P: not N to 1 +SDR0_SDSTP0[PAME]: 1 : PCI asynchronous mode: enabled +SDR0_SDSTP0[MEM]: 1 : Multiplex: EMAC +SDR0_SDSTP0[NE]: 0 : NDFC: disabled +SDR0_SDSTP0[NBW]: 0 : NDFC boot width: 8-bit +SDR0_SDSTP0[NBW]: 0 : NDFC boot page selection +SDR0_SDSTP0[NBAC]: 0 : NDFC boot address selection cycle: 3 Addr. Cycles, 1 Col. + 2 Row (512 page size) +SDR0_SDSTP0[NARE]: 0 : NDFC auto read : disabled +SDR0_SDSTP0[NRB]: 0 : NDFC Ready/Busy : Ready +SDR0_SDSTP0[NDRSC]: 33333 : NDFC device reset counter +SDR0_SDSTP0[NCG0]: 0 : NDFC/EBC chip select gating CS0 : EBC +SDR0_SDSTP0[NCG1]: 0 : NDFC/EBC chip select gating CS1 : EBC +SDR0_SDSTP0[NCG2]: 0 : NDFC/EBC chip select gating CS2 : EBC +SDR0_SDSTP0[NCG3]: 0 : NDFC/EBC chip select gating CS3 : EBC +SDR0_SDSTP0[NCRDC]: 3333 : NDFC device read count + +PPC440EP Clocking Configuration + +SysClk is 33.0MHz, M is 20, VCO is 660.0MHz, CPU is 330.0MHz, PLB is 132.0MHz +OPB is 66.0MHz, EBC is 44.0MHz, MAL is 66.0MHz, Sync PCI is 66.0MHz + +The above information is reported by Eugene O'Brien +<Eugene.O'Brien@advantechamt.com>. Thanks a lot. + +2007-08-06, Stefan Roese <sr@denx.de> +--------------------------------------------------------------------- + The configuration for the AMCC 440EP eval board "Bamboo" was changed to only use 384 kbytes of FLASH for the U-Boot image. This way the redundant environment can be saved in the remaining 2 sectors of the |