add_xc7_device_define_type(
  ARCH artix7
  DEVICE xc7a50t-bottom
  TILE_TYPES
    SLICEL
    SLICEM
    BRAM_L
    LIOPAD_M
    LIOPAD_S
    LIOPAD_SING
    RIOPAD_M
    RIOPAD_S
    RIOPAD_SING
    CLK_BUFG_BOT_R
    CMT_TOP_L_UPPER_T
    CMT_TOP_R_UPPER_T
    CLK_BUFG_TOP_R
  PB_TYPES
    SLICEL
    SLICEM
    BRAM_L
    IOPAD
    IOPAD_M
    IOPAD_S
    CLK_BUFG_BOT_R
    CMT_TOP_L_UPPER_T
    CMT_TOP_R_UPPER_T
    CLK_BUFG_TOP_R
  GRAPH_LIMIT 0,103,114,155
)

add_xc7_device_define_type(
  ARCH artix7
  DEVICE xc7a50t-bottom
  TILE_TYPES
    SLICEL
    SLICEM
    BRAM_L
    LIOPAD_M
    LIOPAD_S
    LIOPAD_SING
    RIOPAD_M
    RIOPAD_S
    RIOPAD_SING
    CLK_BUFG_BOT_R
    CMT_TOP_L_UPPER_T
    CMT_TOP_R_UPPER_T
    CLK_BUFG_TOP_R
  PB_TYPES
    SLICEL
    SLICEM
    BRAM_L
    IOPAD
    IOPAD_M
    IOPAD_S
    CLK_BUFG_BOT_R
    CLK_BUFG_TOP_R
    PLLE2_ADV
  GRAPH_LIMIT 0,103,114,155
)

Update bottom ROI graph with equiv PLL tiles.
Update bottom ROI graph with equiv PLL tiles.

Signed-off-by: Keith Rothman <1bc19627a439baf17510dc2d0b2d250c96d445a5@users.noreply.github.com>
