From c633c3cfcf41efe720020553aa3d4782fa0b9bd5 Mon Sep 17 00:00:00 2001 From: Jean-Christop PLAGNIOL-VILLARD Date: Wed, 25 Feb 2009 04:20:40 +0100 Subject: [ARM] 5412/1: XSCALE: add ice dcc support SCALE: add ice dcc support Tested on the ixp425 with the ice PEEDI Ack-by: Eric Miao Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD Signed-off-by: Russell King --- arch/arm/boot/compressed/misc.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'arch/arm/boot/compressed/misc.c') diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c index 3fc08413fff0..393c81641314 100644 --- a/arch/arm/boot/compressed/misc.c +++ b/arch/arm/boot/compressed/misc.c @@ -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 -- cgit v1.2.3 From aa0d3bb77e780054babcd289484cf4c15180111b Mon Sep 17 00:00:00 2001 From: Rusty Russell Date: Tue, 31 Mar 2009 13:05:35 -0600 Subject: arm: allow usage of string functions in linux/string.h In introducing a trivial "strstarts()" function in linux/string.h, we hit: arch/arm/boot/compressed/misc.o: In function `strstarts': misc.c:(.text+0x368): undefined reference to `strlen' misc.c:(.text+0x378): undefined reference to `strncmp' This is because of "CFLAGS_misc.o := -Dstatic=" in the Makefile. "static inline strstarts(...)" becomes non-inline, and refers to the other string ops. The simplest workaround is to include asm/string.h. This makes sense anyway, since lib/string.c won't be linked against this so we can't use those functions anyway. Compile tested here. Signed-off-by: Rusty Russell Acked-by: Russell King --- arch/arm/boot/compressed/misc.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'arch/arm/boot/compressed/misc.c') diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c index 393c81641314..9e6e512f0117 100644 --- a/arch/arm/boot/compressed/misc.c +++ b/arch/arm/boot/compressed/misc.c @@ -18,7 +18,10 @@ unsigned int __machine_arch_type; -#include +#include /* for inline */ +#include /* for size_t */ +#include /* for NULL */ +#include #ifdef STANDALONE_DEBUG #define putstr printf -- cgit v1.2.3