changeset 1e789578729e in /z/repo/m5
details: http://repo.m5sim.org/m5?cmd=changeset;node=1e789578729e
description:
ARM: Add a fake flash controller so that unmodified linux can boot
With this change an unmodified Linux kernel can boot in M5.
diffstat:
src/dev/arm/RealView.py | 124 ++++++++++++++++++++++++-----------------------
1 files changed, 63 insertions(+), 61 deletions(-)
diffs (138 lines):
diff -r d9efdb9ac88e -r 1e789578729e src/dev/arm/RealView.py
--- a/src/dev/arm/RealView.py Fri Oct 01 16:04:00 2010 -0500
+++ b/src/dev/arm/RealView.py Fri Oct 01 16:04:02 2010 -0500
@@ -101,6 +101,69 @@
timer1 = Sp804(int_num0=37, int_num1=37, pio_addr=0x10012000)
l2x0_fake = IsaFake(pio_addr=0x1f002000, pio_size=0xfff,
warn_access="1")
+ flash_fake = IsaFake(pio_addr=0x40000000, pio_size=0x4000000)
+ dmac_fake = AmbaFake(pio_addr=0x10030000)
+ uart1_fake = AmbaFake(pio_addr=0x1000a000)
+ uart2_fake = AmbaFake(pio_addr=0x1000b000)
+ uart3_fake = AmbaFake(pio_addr=0x1000c000)
+ smc_fake = AmbaFake(pio_addr=0x100e1000)
+ clcd_fake = AmbaFake(pio_addr=0x10020000)
+ sp810_fake = AmbaFake(pio_addr=0x10001000, ignore_access=True)
+ watchdog_fake = AmbaFake(pio_addr=0x10010000)
+ gpio0_fake = AmbaFake(pio_addr=0x10013000)
+ gpio1_fake = AmbaFake(pio_addr=0x10014000)
+ gpio2_fake = AmbaFake(pio_addr=0x10015000)
+ ssp_fake = AmbaFake(pio_addr=0x1000d000)
+ sci_fake = AmbaFake(pio_addr=0x1000e000)
+ aaci_fake = AmbaFake(pio_addr=0x10004000)
+ mmc_fake = AmbaFake(pio_addr=0x10005000)
+ kmi0_fake = AmbaFake(pio_addr=0x10006000)
+ kmi1_fake = AmbaFake(pio_addr=0x10007000)
+ rtc_fake = AmbaFake(pio_addr=0x10017000, amba_id=0x41031)
+
+
+
+ # Attach I/O devices that are on chip
+ def attachOnChipIO(self, bus):
+ self.gic.pio = bus.port
+ self.l2x0_fake.pio = bus.port
+
+ # Attach I/O devices to specified bus object. Can't do this
+ # earlier, since the bus object itself is typically defined at the
+ # System level.
+ def attachIO(self, bus):
+ self.uart.pio = bus.port
+ self.realview_io.pio = bus.port
+ self.timer0.pio = bus.port
+ self.timer1.pio = bus.port
+ self.dmac_fake.pio = bus.port
+ self.uart1_fake.pio = bus.port
+ self.uart2_fake.pio = bus.port
+ self.uart3_fake.pio = bus.port
+ self.smc_fake.pio = bus.port
+ self.clcd_fake.pio = bus.port
+ self.sp810_fake.pio = bus.port
+ self.watchdog_fake.pio = bus.port
+ self.gpio0_fake.pio = bus.port
+ self.gpio1_fake.pio = bus.port
+ self.gpio2_fake.pio = bus.port
+ self.ssp_fake.pio = bus.port
+ self.sci_fake.pio = bus.port
+ self.aaci_fake.pio = bus.port
+ self.mmc_fake.pio = bus.port
+ self.kmi0_fake.pio = bus.port
+ self.kmi1_fake.pio = bus.port
+ self.rtc_fake.pio = bus.port
+ self.flash_fake.pio = bus.port
+
+class RealViewEB(RealView):
+ uart = Pl011(pio_addr=0x10009000, int_num=44)
+ realview_io = RealViewCtrl(pio_addr=0x10000000)
+ gic = Gic(dist_addr=0x10041000, cpu_addr=0x10040000)
+ timer0 = Sp804(int_num0=36, int_num1=36, pio_addr=0x10011000)
+ timer1 = Sp804(int_num0=37, int_num1=37, pio_addr=0x10012000)
+
+ l2x0_fake = IsaFake(pio_addr=0x1f002000, pio_size=0xfff,
warn_access="1")
dmac_fake = AmbaFake(pio_addr=0x10030000)
uart1_fake = AmbaFake(pio_addr=0x1000a000)
uart2_fake = AmbaFake(pio_addr=0x1000b000)
@@ -154,64 +217,3 @@
self.kmi1_fake.pio = bus.port
self.rtc_fake.pio = bus.port
-class RealViewEB(RealView):
- uart = Pl011(pio_addr=0x10009000, int_num=44)
- realview_io = RealViewCtrl(pio_addr=0x10000000)
- gic = Gic(dist_addr=0x10041000, cpu_addr=0x10040000)
- timer0 = Sp804(int_num0=36, int_num1=36, pio_addr=0x10011000)
- timer1 = Sp804(int_num0=37, int_num1=37, pio_addr=0x10012000)
-
- l2x0_fake = IsaFake(pio_addr=0x1f002000, pio_size=0xfff,
warn_access="1")
- dmac_fake = AmbaFake(pio_addr=0x10030000)
- uart1_fake = AmbaFake(pio_addr=0x1000a000)
- uart2_fake = AmbaFake(pio_addr=0x1000b000)
- uart3_fake = AmbaFake(pio_addr=0x1000c000)
- smc_fake = AmbaFake(pio_addr=0x100e1000)
- clcd_fake = AmbaFake(pio_addr=0x10020000)
- sp810_fake = AmbaFake(pio_addr=0x10001000, ignore_access=True)
- watchdog_fake = AmbaFake(pio_addr=0x10010000)
- gpio0_fake = AmbaFake(pio_addr=0x10013000)
- gpio1_fake = AmbaFake(pio_addr=0x10014000)
- gpio2_fake = AmbaFake(pio_addr=0x10015000)
- ssp_fake = AmbaFake(pio_addr=0x1000d000)
- sci_fake = AmbaFake(pio_addr=0x1000e000)
- aaci_fake = AmbaFake(pio_addr=0x10004000)
- mmc_fake = AmbaFake(pio_addr=0x10005000)
- kmi0_fake = AmbaFake(pio_addr=0x10006000)
- kmi1_fake = AmbaFake(pio_addr=0x10007000)
- rtc_fake = AmbaFake(pio_addr=0x10017000, amba_id=0x41031)
-
-
-
- # Attach I/O devices that are on chip
- def attachOnChipIO(self, bus):
- self.gic.pio = bus.port
- self.l2x0_fake.pio = bus.port
-
- # Attach I/O devices to specified bus object. Can't do this
- # earlier, since the bus object itself is typically defined at the
- # System level.
- def attachIO(self, bus):
- self.uart.pio = bus.port
- self.realview_io.pio = bus.port
- self.timer0.pio = bus.port
- self.timer1.pio = bus.port
- self.dmac_fake.pio = bus.port
- self.uart1_fake.pio = bus.port
- self.uart2_fake.pio = bus.port
- self.uart3_fake.pio = bus.port
- self.smc_fake.pio = bus.port
- self.clcd_fake.pio = bus.port
- self.sp810_fake.pio = bus.port
- self.watchdog_fake.pio = bus.port
- self.gpio0_fake.pio = bus.port
- self.gpio1_fake.pio = bus.port
- self.gpio2_fake.pio = bus.port
- self.ssp_fake.pio = bus.port
- self.sci_fake.pio = bus.port
- self.aaci_fake.pio = bus.port
- self.mmc_fake.pio = bus.port
- self.kmi0_fake.pio = bus.port
- self.kmi1_fake.pio = bus.port
- self.rtc_fake.pio = bus.port
-
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