Author: wmb Date: Fri Aug 3 07:21:03 2012 New Revision: 3116 URL: http://tracker.coreboot.org/trac/openfirmware/changeset/3116
Log: OLPC CL4 - Turn on power island for MMP3 camera controller.
Modified: dev/olpc/mmp2camera/ccic.fth
Modified: dev/olpc/mmp2camera/ccic.fth ============================================================================== --- dev/olpc/mmp2camera/ccic.fth Fri Aug 3 07:19:13 2012 (r3115) +++ dev/olpc/mmp2camera/ccic.fth Fri Aug 3 07:21:03 2012 (r3116) @@ -79,7 +79,51 @@ 0 to next-buf ;
+[ifdef] mmp3 +: isp-island-power-on + \ set ISP regs to the default value + 0 h# 50 pmua! + 0 h# 1fc pmua! + + \ Turn on the CCIC/ISP power switch + h# 200 h# 1fc pmua! + d# 10 ms + h# 600 h# 1fc pmua! + d# 10 ms + \ Disable isp isolation\n" + h# 700 h# 1fc pmua! + + \ Start memory redundacy repair + 4 h# 224 pmua-set \ PMUA_ISP_CLK_RES_CTRL + begin d# 10 ms h# 224 pmua@ 4 and 0= until + + \ Enable dummy clocks to the SRAMS + h# 10 h# 1e0 pmua-set \ PMUA_ISLD_CI_PDWN_CTRL + d# 200 ms + h# 10 h# 1e0 pmua-clr + + \ Enable ISP clocks here if you want to use the ISP + \ 8 h# 224 pmua-set \ Enable AXI clock in PMUA_ISP_CLK_RES_CTRL + \ h# f00 h# 200 h# 224 pmua-fld \ Clock divider + \ h# c0 h# 40 h# 224 pmua-fld \ CLock source + \ h# 10 h# 224 pmua-set + + \ enable CCIC clocks + h# 8238 h# 50 pmua-set + + \ Deassert ISP clocks here if you want to use the ISP + \ XXX should these be pmua-clr ? + \ 1 h# 224 pmua-set \ AXI reset + \ 2 h# 224 pmua-set \ ISP SW reset + \ h# 10000 h# 50 pmua-set \ CCIC1 AXI Arbiter reset + + \ De-assert CCIC Resets + h# 10107 h# 50 pmua-set \ XXX change to 107 +; +[then] : power-on ( -- ) + [ifdef] mmp3 isp-island-power-on [then] + \ Enable clocks h# 3f h# 28 pmua! \ Clock gating - AHB, Internal PIXCLK, AXI clock always on h# 0003.805b h# 50 pmua! \ PMUA clock config for CCIC - /1, PLL1/16, AXI arb, AXI, perip on