Author: wmb Date: Wed Oct 5 00:14:31 2011 New Revision: 2577 URL: http://tracker.coreboot.org/trac/openfirmware/changeset/2577
Log: OLPC XO-1.75 - utmiphy.fth - factoring changes, no functional difference.
Modified: cpu/arm/marvell/utmiphy.fth
Modified: cpu/arm/marvell/utmiphy.fth ============================================================================== --- cpu/arm/marvell/utmiphy.fth Tue Oct 4 21:42:35 2011 (r2576) +++ cpu/arm/marvell/utmiphy.fth Wed Oct 5 00:14:31 2011 (r2577) @@ -1,15 +1,14 @@ \ See license at end of file purpose: Init UTMI USB Phy in Marvell SoC
-h# 207004 constant utmi-ctrl -h# 207008 constant utmi-pll -h# 20700c constant utmi-tx -h# 207010 constant utmi-rx -h# 207014 constant utmi-ivref -h# 207018 constant utmi-t0 +: +utmi ( offset -- offset' ) h# 20.7000 + ;
-: regset ( mask adr -- ) tuck io@ or swap io! ; -: regclr ( mask adr -- ) tuck io@ swap invert and swap io! ; +h# 04 +utmi constant utmi-ctrl +h# 08 +utmi constant utmi-pll +h# 0c +utmi constant utmi-tx +h# 10 +utmi constant utmi-rx +h# 14 +utmi constant utmi-ivref +h# 18 +utmi constant utmi-t0
: wait-cal ( spins -- ) 0 do @@ -36,39 +35,39 @@ [then]
\ Turn on the USB PHY power - h# 1810.0000 utmi-ctrl regset \ INPKT_DELAY_SOF, PU_REF - h# 2 utmi-ctrl regset \ PLL_PWR_UP + h# 1810.0000 utmi-ctrl io-set \ INPKT_DELAY_SOF, PU_REF + h# 2 utmi-ctrl io-set \ PLL_PWR_UP d# 10 ms - h# 1 utmi-ctrl regset \ PWR_UP + h# 1 utmi-ctrl io-set \ PWR_UP 1 ms
\ Linux code does this, perhaps redundantly - h# 1800.0000 utmi-ctrl regset \ INPKT_DELAY_SOF, PU_REF + h# 1800.0000 utmi-ctrl io-set \ INPKT_DELAY_SOF, PU_REF
- h# 0000.8000 utmi-t0 regclr \ REG_FIFO_SQ_RST + h# 0000.8000 utmi-t0 io-clr \ REG_FIFO_SQ_RST
\ Configure the PLLs - pll-clr utmi-pll regclr \ PLLCALI12, PLLVDD18, PLLVDD12, KVCO, ICP, FBDIV, REFDIV, - pll-set utmi-pll regset \ 3 3 3 3 1 ee b + pll-clr utmi-pll io-clr \ PLLCALI12, PLLVDD18, PLLVDD12, KVCO, ICP, FBDIV, REFDIV, + pll-set utmi-pll io-set \ 3 3 3 3 1 ee b 1 ms
- tx-clr utmi-tx regclr \ TXVDD12, CK60_PHSEL, IMPCAL_VTH - tx-set utmi-tx regset \ 3 4 0 + tx-clr utmi-tx io-clr \ TXVDD12, CK60_PHSEL, IMPCAL_VTH + tx-set utmi-tx io-set \ 3 4 0
- rx-clr utmi-rx regclr \ RX_SQ_THRESH - rx-set utmi-rx regset \ 7 + rx-clr utmi-rx io-clr \ RX_SQ_THRESH + rx-set utmi-rx io-set \ 7
d# 1000 wait-cal
d# 200 us - h# 0020.0000 utmi-pll regset \ VCOCAL_START + h# 0020.0000 utmi-pll io-set \ VCOCAL_START d# 40 us - h# 0020.0000 utmi-pll regclr + h# 0020.0000 utmi-pll io-clr
d# 200 us - h# 0000.1000 utmi-tx regset \ REG_RCAL_START + h# 0000.1000 utmi-tx io-set \ REG_RCAL_START d# 40 us - h# 0000.1000 utmi-tx regclr + h# 0000.1000 utmi-tx io-clr
d# 1000 wait-cal \ ." UTMI calibration done" cr