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targets/orangecrab: use user_btn as rst_n.

This commit is contained in:
Florent Kermarrec 2020-07-06 17:49:05 +02:00
parent 40fbbbbebc
commit d9595a317e
1 changed files with 4 additions and 3 deletions
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7
litex_boards/targets/orangecrab.py
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@ -41,6 +41,7 @@ class _CRG(Module):
# Clk / Rst # Clk / Rst
clk48 = platform.request("clk48") clk48 = platform.request("clk48")
rst_n = platform.request("usr_btn")
# Power on reset # Power on reset
por_count = Signal(16, reset=2**16-1) por_count = Signal(16, reset=2**16-1)
@ -70,9 +71,9 @@ class _CRG(Module):
i_CLKI = self.cd_sys2x.clk, i_CLKI = self.cd_sys2x.clk,
i_RST = self.reset, i_RST = self.reset,
o_CDIVX = self.cd_sys.clk), o_CDIVX = self.cd_sys.clk),
AsyncResetSynchronizer(self.cd_init, ~por_done | ~pll.locked), AsyncResetSynchronizer(self.cd_init, ~por_done | ~pll.locked | ~rst_n),
AsyncResetSynchronizer(self.cd_sys, ~por_done | ~pll.locked | self.reset), AsyncResetSynchronizer(self.cd_sys, ~por_done | ~pll.locked | ~rst_n | self.reset),
AsyncResetSynchronizer(self.cd_sys2x, ~por_done | ~pll.locked | self.reset), AsyncResetSynchronizer(self.cd_sys2x, ~por_done | ~pll.locked | ~rst_n | self.reset),
] ]
# USB PLL # USB PLL