targets: keep the SPI flash core even if with_rom is enabled, so that flash booting in the BIOS still works

This commit is contained in:
Florent Kermarrec 2015-03-03 10:39:31 +01:00
parent 1d4dc45436
commit 0716dadaf2
4 changed files with 19 additions and 14 deletions

View File

@ -100,15 +100,16 @@ class BaseSoC(SDRAMSoC):
self.submodules.ddrphy = k7ddrphy.K7DDRPHY(platform.request("ddram"), memtype="DDR3")
self.register_sdram_phy(self.ddrphy, sdram_geom, sdram_timing)
spiflash_pads = platform.request("spiflash")
spiflash_pads.clk = Signal()
self.specials += Instance("STARTUPE2",
i_CLK=0, i_GSR=0, i_GTS=0, i_KEYCLEARB=0, i_PACK=0,
i_USRCCLKO=spiflash_pads.clk, i_USRCCLKTS=0, i_USRDONEO=1, i_USRDONETS=1)
self.submodules.spiflash = spiflash.SpiFlash(spiflash_pads, dummy=11, div=2)
self.flash_boot_address = 0xb00000
# If not in ROM, BIOS is in SPI flash
if not self.with_rom:
spiflash_pads = platform.request("spiflash")
spiflash_pads.clk = Signal()
self.specials += Instance("STARTUPE2",
i_CLK=0, i_GSR=0, i_GTS=0, i_KEYCLEARB=0, i_PACK=0,
i_USRCCLKO=spiflash_pads.clk, i_USRCCLKTS=0, i_USRDONEO=1, i_USRDONETS=1)
self.submodules.spiflash = spiflash.SpiFlash(spiflash_pads, dummy=11, div=2)
self.flash_boot_address = 0xb00000
self.register_rom(self.spiflash.bus)
class MiniSoC(BaseSoC):

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@ -59,11 +59,12 @@ class BaseSoC(SDRAMSoC):
rd_bitslip=0, wr_bitslip=3, dqs_ddr_alignment="C1")
self.register_sdram_phy(self.ddrphy, sdram_geom, sdram_timing)
self.submodules.norflash = norflash16.NorFlash16(platform.request("norflash"),
self.ns(110), self.ns(50))
self.flash_boot_address = 0x001a0000
# If not in ROM, BIOS is in // NOR flash
if not self.with_rom:
self.submodules.norflash = norflash16.NorFlash16(platform.request("norflash"),
self.ns(110), self.ns(50))
self.flash_boot_address = 0x001a0000
self.register_rom(self.norflash.bus)
self.submodules.crg = mxcrg.MXCRG(_MXClockPads(platform), self.clk_freq)

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@ -122,10 +122,12 @@ class BaseSoC(SDRAMSoC):
PIN "BUFG.O" CLOCK_DEDICATED_ROUTE = FALSE;
""")
self.register_sdram_phy(self.ddrphy, sdram_geom, sdram_timing)
self.submodules.spiflash = spiflash.SpiFlash(platform.request("spiflash4x"), dummy=11, div=2)
self.flash_boot_address = 0x180000
# If not in ROM, BIOS is in SPI flash
if not self.with_rom:
self.submodules.spiflash = spiflash.SpiFlash(platform.request("spiflash4x"), dummy=11, div=2)
self.flash_boot_address = 0x180000
self.register_rom(self.spiflash.bus)
default_subtarget = BaseSoC

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@ -92,10 +92,11 @@ class BaseSoC(SDRAMSoC):
self.submodules.sdrphy = gensdrphy.GENSDRPHY(platform.request("sdram"))
self.register_sdram_phy(self.sdrphy, sdram_geom, sdram_timing)
self.submodules.spiflash = spiflash.SpiFlash(platform.request("spiflash2x"), dummy=4, div=6)
self.flash_boot_address = 0x70000
# If not in ROM, BIOS is in SPI flash
if not self.with_rom:
self.submodules.spiflash = spiflash.SpiFlash(platform.request("spiflash2x"), dummy=4, div=6)
self.flash_boot_address = 0x70000
self.register_rom(self.spiflash.bus)
default_subtarget = BaseSoC