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MN10300: And Panasonic AM34 subarch and implement SMP

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Implement the Panasonic MN10300 AM34 CPU subarch and implement SMP support for
MN10300.  Also implement support for the MN2WS0060 processor and the ASB2364
evaluation board which are AM34 based.

Signed-off-by: Akira Takeuchi <takeuchi.akr@jp.panasonic.com>
Signed-off-by: Kiyoshi Owada <owada.kiyoshi@jp.panasonic.com>
Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
Akira Takeuchi
2010-10-27 17:28:55 +01:00
committed by David Howells
parent 04157a6e7d
commit 368dd5acd1
80 changed files with 4500 additions and 487 deletions
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20
arch/mn10300/boot/compressed/head.S
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@@ -15,10 +15,28 @@
#include <linux/linkage.h>
#include <asm/cpu-regs.h>
#include <asm/cache.h>
#ifdef CONFIG_SMP
#include <proc/smp-regs.h>
#endif
.globl startup_32
startup_32:
# first save off parameters from bootloader
#ifdef CONFIG_SMP
#
# Secondary CPUs jump directly to the kernel entry point
#
# Must save primary CPU's D0-D2 registers as they hold boot parameters
#
mov (CPUID), d3
and CPUID_MASK,d3
beq startup_primary
mov CONFIG_KERNEL_TEXT_ADDRESS,a0
jmp (a0)
startup_primary:
#endif /* CONFIG_SMP */
# first save parameters from bootloader
mov param_save_area,a0
mov d0,(a0)
mov d1,(4,a0)