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android_kernel_motorola_sm6225/arch/sh/kernel
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Matt Fleming 3d467676ab sh: Setup early PMB mappings. 
More and more boards are going to start shipping that boot with the MMU
in 32BIT mode by default. Previously we relied on the bootloader to
setup PMB mappings for use by the kernel but we also need to cater for
boards whose bootloaders don't set them up.

If CONFIG_PMB_LEGACY is not enabled we have full control over our PMB
mappings and can compress our address space. Usually, the distance
between the the cached and uncached mappings of RAM is always 512MB,
however we can compress the distance to be the amount of RAM on the
board.

pmb_init() now becomes much simpler. It no longer has to calculate any
mappings, it just has to synchronise the software PMB table with the
hardware.

Tested on SDK7786 and SH7785LCR.

Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-01-18 19:33:10 +09:00
..
cpu sh: Fix up the secondary CPU entry point for 32bit mode. 2010-01-15 15:13:48 +09:00
vsyscall kbuild: rename ld-option to cc-ldoption 2009-09-20 12:27:42 +02:00
.gitignore sh: Add an arch/sh/kernel/.gitignore 2008-07-29 08:29:32 +09:00
asm-offsets.c sh: Add R-standby sleep mode support 2009-10-30 14:38:45 +09:00
cpufreq.c sh: cpufreq: Include CPU id in info messages. 2009-09-15 09:26:04 +09:00
crash_dump.c kdump: make elfcorehdr_addr independent of CONFIG_PROC_VMCORE 2008-10-20 08:52:39 -07:00
debugtraps.S sh: kgdb: Rework breakpoint handling on top of notifier chain. 2009-12-22 12:44:14 +09:00
disassemble.c sh: Add a simple code dumper for SUPERH32 show_regs(). 2008-12-22 18:43:49 +09:00
dma-nommu.c sh: Revamp PCI DMA coherence Kconfig bits. 2009-10-27 10:35:02 +09:00
dumpstack.c sh: flag the default unwinder as reliable. 2009-08-15 01:09:03 +09:00
dwarf.c Merge branch 'sh/stable-updates' 2009-11-09 10:55:36 +09:00
entry-common.S sh: TS_RESTORE_SIGMASK conversion. 2009-10-14 16:05:42 +09:00
ftrace.c sh: ftrace: Fix up syscall tracing build. 2009-12-11 15:25:41 +09:00
head_32.S sh: Setup early PMB mappings. 2010-01-18 19:33:10 +09:00
head_64.S sh64: Fix up early serial fixmap. 2010-01-12 15:22:26 +09:00
hw_breakpoint.c sh: Abstracted SH-4A UBC support on hw-breakpoint core. 2010-01-05 19:06:45 +09:00
idle.c sh: Only use bl bit toggling for sleeping idle. 2009-12-21 11:57:33 +09:00
init_task.c Use new __init_task_data macro in arch init_task.c files. 2009-09-21 06:27:08 +02:00
io.c sh: Optimise memcpy_to/fromio for SH4 2009-08-24 17:35:07 +09:00
io_generic.c sh: Use the generic I/O port base for slowdown. 2009-11-12 16:36:26 +09:00
io_trapped.c sh: Only shout about fixing up unexpected unaligned accesses 2009-08-29 20:31:44 +09:00
irq.c genirq: Convert irq_desc.lock to raw_spinlock 2009-12-14 23:55:33 +01:00
irq_32.c sh: Annotate irq functions with "notrace" 2009-10-27 07:37:10 +09:00
irq_64.c sh: Annotate irq functions with "notrace" 2009-10-27 07:37:10 +09:00
kgdb.c sh: kgdb: Rework breakpoint handling on top of notifier chain. 2009-12-22 12:44:14 +09:00
kprobes.c sh: kprobes: kretprobe_trampoline needs to be global. 2008-09-09 08:13:28 +09:00
localtimer.c sh: Fix up clockevents broadcasting. 2009-08-19 18:00:03 +09:00
machine_kexec.c sh: Tidy up the sh bios VBR handling. 2010-01-12 14:50:43 +09:00
machvec.c sh: Use the generic I/O port base for slowdown. 2009-11-12 16:36:26 +09:00
Makefile Merge branches 'sh/xstate', 'sh/hw-breakpoints' and 'sh/stable-updates' 2010-01-13 13:02:55 +09:00
module.c sh: Tidy up the dwarf module helpers. 2009-10-13 13:32:19 +09:00
nmi_debug.c sh: nmi_debug support. 2009-09-01 17:38:32 +09:00
perf_callchain.c sh: perf events: Preliminary callchain support. 2009-11-05 16:20:09 +09:00
perf_event.c sh: perf events: Fix up uninitialized variable warning. 2009-11-05 13:56:50 +09:00
process.c sh: Move over to dynamically allocated FPU context. 2010-01-13 12:51:40 +09:00
process_32.c Merge branches 'sh/xstate', 'sh/hw-breakpoints' and 'sh/stable-updates' 2010-01-13 13:02:55 +09:00
process_64.c sh: Fix up FPU build for SH5 2009-12-15 12:07:36 +09:00
ptrace_32.c Merge branches 'sh/xstate', 'sh/hw-breakpoints' and 'sh/stable-updates' 2010-01-13 13:02:55 +09:00
ptrace_64.c sh: Fix up FPU build for SH5 2009-12-15 12:07:36 +09:00
relocate_kernel.S sh: add kexec jump support 2009-03-18 18:57:43 +09:00
return_address.c sh: Generalize CALLER_ADDRx support. 2009-10-13 13:10:14 +09:00
setup.c sh: fixed PMB mode refactoring. 2010-01-13 18:31:48 +09:00
sh_bios.c sh: sh_bios detection. 2010-01-12 18:42:52 +09:00
sh_ksyms_32.c sh: Clean up more superfluous symbol exports. 2009-10-27 11:51:19 +09:00
sh_ksyms_64.c sh: Clean up more superfluous symbol exports. 2009-10-27 11:51:19 +09:00
signal_32.c sh: Move over to dynamically allocated FPU context. 2010-01-13 12:51:40 +09:00
signal_64.c sh: Fix up FPU build for SH5 2009-12-15 12:07:36 +09:00
smp.c Merge branch 'sh/stable-updates' 2009-10-14 15:53:08 +09:00
stacktrace.c sh: stacktrace: Properly terminate the trace entry buffer. 2009-08-15 01:11:37 +09:00
swsusp.c sh: hibernation support 2009-03-10 12:55:40 +09:00
sys_sh.c Unify sys_mmap* 2009-12-11 06:44:29 -05:00
sys_sh32.c headers: utsname.h redux 2009-09-23 18:13:10 -07:00
sys_sh64.c headers: utsname.h redux 2009-09-23 18:13:10 -07:00
syscalls_32.S sh: Wire up recvmmsg syscall. 2009-12-11 15:29:31 +09:00
syscalls_64.S net: Introduce recvmmsg socket syscall 2009-10-12 23:40:10 -07:00
time.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6 2009-09-18 09:43:09 -07:00
topology.c sh: Support SCHED_MC for SH-X3 multi-cores. 2009-10-16 18:00:02 +09:00
traps.c sh64: Fix up the CONFIG_GENERIC_BUG=n build. 2009-11-12 16:39:47 +09:00
traps_32.c Merge branches 'sh/xstate', 'sh/hw-breakpoints' and 'sh/stable-updates' 2010-01-13 13:02:55 +09:00
traps_64.c sh: Fix up FPU build for SH5 2009-12-15 12:07:36 +09:00
unwinder.c sh: unwinder: Use a special bug flag for unwinder traps. 2009-08-22 05:28:25 +09:00
vmlinux.lds.S sh: fixed PMB mode refactoring. 2010-01-13 18:31:48 +09:00