ARM: Add support for Versatile Express extended memory map

Also clean up how we create boot loader memory a bit.
This commit is contained in:
Ali Saidi
2012-03-01 17:26:31 -06:00
parent 3876105bdb
commit 91b737ed48
9 changed files with 130 additions and 29 deletions

View File

@@ -1,4 +1,4 @@
# Copyright (c) 2009-2011 ARM Limited
# Copyright (c) 2009-2012 ARM Limited
# All rights reserved.
#
# The license below extends only to copyright in the software and shall
@@ -49,6 +49,7 @@ from Ide import *
from Platform import Platform
from Terminal import Terminal
from Uart import Uart
from PhysicalMemory import *
class AmbaDevice(BasicPioDevice):
type = 'AmbaDevice'
@@ -119,6 +120,11 @@ class CpuLocalTimer(BasicPioDevice):
int_num_watchdog = Param.UInt32("Interrupt number for per-cpu watchdog to GIC")
clock = Param.Clock('1GHz', "Clock speed at which the timer counts")
class PL031(AmbaIntDevice):
type = 'PL031'
time = Param.Time('01/01/2009', "System time to use ('Now' for actual time)")
amba_id = 0x00341031
class Pl050(AmbaIntDevice):
type = 'Pl050'
vnc = Param.VncServer(Parent.any, "Vnc server for remote frame buffer display")
@@ -136,6 +142,15 @@ class RealView(Platform):
type = 'RealView'
system = Param.System(Parent.any, "system")
pci_cfg_base = Param.Addr(0, "Base address of PCI Configuraiton Space")
mem_start_addr = Param.Addr(0, "Start address of main memory")
max_mem_size = Param.Addr('256MB', "Maximum amount of RAM supported by platform")
def setupBootLoader(self, mem_bus, cur_sys, loc):
self.nvmem = PhysicalMemory(range = AddrRange(Addr('2GB'), size = '64MB'), zero = True)
self.nvmem.port = mem_bus.master
cur_sys.boot_loader = loc('boot.arm')
cur_sys.boot_loader_mem = self.nvmem
# Reference for memory map and interrupt number
# RealView Platform Baseboard Explore for Cortex-A9 User Guide(ARM DUI 0440A)
@@ -189,7 +204,9 @@ class RealViewPBX(RealView):
# (gic, l2x0, a9scu, local_cpu_timer)
bridge.ranges = [AddrRange(self.realview_io.pio_addr,
self.a9scu.pio_addr - 1),
AddrRange(self.flash_fake.pio_addr, Addr.max)]
AddrRange(self.flash_fake.pio_addr,
self.flash_fake.pio_addr + \
self.flash_fake.pio_size - 1)]
# Attach I/O devices to specified bus object. Can't do this
# earlier, since the bus object itself is typically defined at the
@@ -300,6 +317,7 @@ class RealViewEB(RealView):
self.smcreg_fake.pio = bus.master
class VExpress_ELT(RealView):
max_mem_size = '2GB'
pci_cfg_base = 0xD0000000
elba_uart = Pl011(pio_addr=0xE0009000, int_num=42)
uart = Pl011(pio_addr=0xFF009000, int_num=121)
@@ -402,3 +420,84 @@ class VExpress_ELT(RealView):
self.lan_fake.pio = bus.master
self.usb_fake.pio = bus.master
class VExpress_EMM(RealView):
mem_start_addr = '2GB'
max_mem_size = '2GB'
uart = Pl011(pio_addr=0x1c090000, int_num=37)
realview_io = RealViewCtrl(proc_id0=0x14000000, proc_id1=0x14000000, pio_addr=0x1C010000)
gic = Gic(dist_addr=0x2C001000, cpu_addr=0x2C002000)
local_cpu_timer = CpuLocalTimer(int_num_timer=29, int_num_watchdog=30, pio_addr=0x2C080000)
timer0 = Sp804(int_num0=34, int_num1=34, pio_addr=0x1C110000, clock0='50MHz', clock1='50MHz')
timer1 = Sp804(int_num0=35, int_num1=35, pio_addr=0x1C120000, clock0='50MHz', clock1='50MHz')
clcd = Pl111(pio_addr=0x1c1f0000, int_num=46)
kmi0 = Pl050(pio_addr=0x1c060000, int_num=44)
kmi1 = Pl050(pio_addr=0x1c070000, int_num=45)
cf_ctrl = IdeController(disks=[], pci_func=0, pci_dev=0, pci_bus=2,
io_shift = 2, ctrl_offset = 2, Command = 0x1,
BAR0 = 0x1C1A0000, BAR0Size = '256B',
BAR1 = 0x1C1A0100, BAR1Size = '4096B',
BAR0LegacyIO = True, BAR1LegacyIO = True)
vram = PhysicalMemory(range = AddrRange(0x18000000, size='32MB'), zero = True)
rtc = PL031(pio_addr=0x1C170000, int_num=36)
l2x0_fake = IsaFake(pio_addr=0x2C100000, pio_size=0xfff)
uart1_fake = AmbaFake(pio_addr=0x1C0A0000)
uart2_fake = AmbaFake(pio_addr=0x1C0B0000)
uart3_fake = AmbaFake(pio_addr=0x1C0C0000)
sp810_fake = AmbaFake(pio_addr=0x1C020000, ignore_access=True)
watchdog_fake = AmbaFake(pio_addr=0x1C0F0000)
aaci_fake = AmbaFake(pio_addr=0x1C040000)
lan_fake = IsaFake(pio_addr=0x1A000000, pio_size=0xffff)
usb_fake = IsaFake(pio_addr=0x1B000000, pio_size=0x1ffff)
mmc_fake = AmbaFake(pio_addr=0x1c050000)
def setupBootLoader(self, mem_bus, cur_sys, loc):
self.nvmem = PhysicalMemory(range = AddrRange(0, size = '64MB'), zero = True)
self.nvmem.port = mem_bus.master
cur_sys.boot_loader = loc('boot_emm.arm')
cur_sys.boot_loader_mem = self.nvmem
cur_sys.atags_addr = 0x80000100
# Attach I/O devices that are on chip and also set the appropriate
# ranges for the bridge
def attachOnChipIO(self, bus, bridge):
self.gic.pio = bus.master
self.local_cpu_timer.pio = bus.master
# Bridge ranges based on excluding what is part of on-chip I/O
# (gic, a9scu)
bridge.ranges = [AddrRange(0x2F000000, size='16MB'),
AddrRange(0x30000000, size='256MB'),
AddrRange(0x40000000, size='512MB'),
AddrRange(0x18000000, size='64MB'),
AddrRange(0x1C000000, size='64MB')]
# 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.master
self.realview_io.pio = bus.master
self.timer0.pio = bus.master
self.timer1.pio = bus.master
self.clcd.pio = bus.master
self.clcd.dma = bus.slave
self.kmi0.pio = bus.master
self.kmi1.pio = bus.master
self.cf_ctrl.pio = bus.master
self.cf_ctrl.config = bus.master
self.rtc.pio = bus.master
bus.use_default_range = True
self.vram.port = bus.master
self.l2x0_fake.pio = bus.master
self.uart1_fake.pio = bus.master
self.uart2_fake.pio = bus.master
self.uart3_fake.pio = bus.master
self.sp810_fake.pio = bus.master
self.watchdog_fake.pio = bus.master
self.aaci_fake.pio = bus.master
self.lan_fake.pio = bus.master
self.usb_fake.pio = bus.master
self.mmc_fake.pio = bus.master

View File

@@ -103,6 +103,8 @@ RealViewCtrl::read(PacketPtr pkt)
case IdReg:
pkt->set<uint32_t>(params()->idreg);
break;
case CfgStat:
pkt->set<uint32_t>(1);
default:
warn("Tried to read RealView I/O at offset %#x that doesn't exist\n",
daddr);