1. 19 4月, 2012 1 次提交
  2. 08 11月, 2011 1 次提交
    • A
      ARM: OMAP2PLUS: DSS: Ensure DSS works correctly if display is enabled in bootloader · b923d40d
      Archit Taneja 提交于
      Resetting DISPC when a DISPC output is enabled causes the DSS to go into an
      inconsistent state. Thus if the bootloader has enabled a display, the hwmod code
      cannot reset the DISPC module just like that, but the outputs need to be
      disabled first.
      
      Add function dispc_disable_outputs() which disables all active overlay manager
      and ensure all frame transfers are completed.
      
      Modify omap_dss_reset() to call this function and clear DSS_CONTROL,
      DSS_SDI_CONTROL and DSS_PLL_CONTROL so that DSS is in a clean state when the
      DSS2 driver starts.
      
      This resolves the hang issue(caused by a L3 error during boot) seen on the
      beagle board C3, which has a factory bootloader that enables display. The issue
      is resolved with this patch.
      
      Thanks to Tomi and Sricharan for some additional testing.
      Acked-by: NTomi Valkeinen <tomi.valkeinen@ti.com>
      Tested-by: NR, Sricharan <r.sricharan@ti.com>
      Signed-off-by: NArchit Taneja <archit@ti.com>
      [paul@pwsan.com: restructured code, removed omap_{read,write}l(), removed
       cpu_is_omap*() calls and converted to dev_attr]
      Signed-off-by: NPaul Walmsley <paul@pwsan.com>
      b923d40d
  3. 10 7月, 2011 4 次提交
  4. 27 7月, 2010 1 次提交
  5. 25 2月, 2010 1 次提交
    • P
      OMAP hwmod: add hwmod class support · 43b40992
      Paul Walmsley 提交于
      Add support for categorizing and iterating over hardware IP blocks by
      the "class" of the IP block.  The class is the type of the IP block:
      e.g., "timer", "timer1ms", etc.  Move the OCP_SYSCONFIG/SYSSTATUS data
      from the struct omap_hwmod into the struct omap_hwmod_class, since
      it's expected to stay consistent for each class.  While here, fix some
      comments.
      
      The hwmod_class structures in this patch were designed and proposed by
      Benoît Cousson <b-cousson@ti.com> and were refined in a discussion
      between Thara Gopinath <thara@ti.com>, Kevin Hilman
      <khilman@deeprootsystems.com>, and myself.
      
      This patch uses WARN() lines that are longer than 80 characters, as
      Kevin noted a broader lkml consensus to increase greppability by
      keeping the messages all on one line.
      Signed-off-by: NPaul Walmsley <paul@pwsan.com>
      Signed-off-by: NBenoît Cousson <b-cousson@ti.com>
      Cc: Thara Gopinath <thara@ti.com>
      Cc: Kevin Hilman <khilman@deeprootsystems.com>
      43b40992