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asmicon: move slot time to timing settings

This commit is contained in:
Sebastien Bourdeauducq 2012-03-18 14:57:31 +01:00
parent b1eb919ad2
commit 0e00837f42
2 changed files with 7 additions and 5 deletions
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7
milkymist/asmicon/__init__.py
View File

@ -20,14 +20,15 @@ class GeomSettings:
self.mux_a = max(row_a, col_a) self.mux_a = max(row_a, col_a)
class TimingSettings: class TimingSettings:
def __init__(self, tRP, tRCD, tREFI, tRFC): def __init__(self, tRP, tRCD, tREFI, tRFC, slot_time):
self.tRP = tRP self.tRP = tRP
self.tRCD = tRCD self.tRCD = tRCD
self.tREFI = tREFI self.tREFI = tREFI
self.tRFC = tRFC self.tRFC = tRFC
self.slot_time = slot_time
class ASMIcon: class ASMIcon:
def __init__(self, phy_settings, geom_settings, timing_settings, time=0): def __init__(self, phy_settings, geom_settings, timing_settings):
self.phy_settings = phy_settings self.phy_settings = phy_settings
self.geom_settings = geom_settings self.geom_settings = geom_settings
self.timing_settings = timing_settings self.timing_settings = timing_settings
@ -41,7 +42,7 @@ class ASMIcon:
self.address_align = log2_int(burst_length) self.address_align = log2_int(burst_length)
aw = self.geom_settings.bank_a + self.geom_settings.row_a + self.geom_settings.col_a - self.address_align aw = self.geom_settings.bank_a + self.geom_settings.row_a + self.geom_settings.col_a - self.address_align
dw = self.phy_settings.dfi_d*self.phy_settings.nphases dw = self.phy_settings.dfi_d*self.phy_settings.nphases
self.hub = asmibus.Hub(aw, dw, time) self.hub = asmibus.Hub(aw, dw, self.timing_settings.slot_time)
def finalize(self): def finalize(self):
if self.finalized: if self.finalized:

5
top.py
View File

@ -34,7 +34,8 @@ sdram_timing = asmicon.TimingSettings(
tRP=ns(15), tRP=ns(15),
tRCD=ns(15), tRCD=ns(15),
tREFI=ns(7800, False), tREFI=ns(7800, False),
tRFC=ns(70) tRFC=ns(70),
slot_time=16
) )
def ddrphy_clocking(crg, phy): def ddrphy_clocking(crg, phy):
@ -52,7 +53,7 @@ def get():
# #
# ASMI # ASMI
# #
asmicon0 = asmicon.ASMIcon(sdram_phy, sdram_geom, sdram_timing, 16) asmicon0 = asmicon.ASMIcon(sdram_phy, sdram_geom, sdram_timing)
asmiport_wb = asmicon0.hub.get_port() asmiport_wb = asmicon0.hub.get_port()
asmicon0.finalize() asmicon0.finalize()