lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[ARM] 5412/1: XSCALE: add ice dcc support

Browse Source 
SCALE: add ice dcc support

Tested on the ixp425 with the ice PEEDI

Ack-by: Eric Miao <eric.miao@marvell.com>

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Jean-Christop PLAGNIOL-VILLARD
2009-02-25 04:20:40 +01:00
committed by Russell King
parent 22b61a11fd
commit c633c3cfcf
4 changed files with 49 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
arch/arm/boot/compressed/misc.c
View File

@@ -46,6 +46,21 @@ static void icedcc_putc(int ch)
asm("mcr p14, 0, %0, c0, c5, 0" : : "r" (ch));
}
#elif defined(CONFIG_CPU_XSCALE)
static void icedcc_putc(int ch)
{
int status, i = 0x4000000;
do {
if (--i < 0)
return;
asm volatile ("mrc p14, 0, %0, c14, c0, 0" : "=r" (status));
} while (status & (1 << 28));
asm("mcr p14, 0, %0, c8, c0, 0" : : "r" (ch));
}
#else