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authorLei Wen <[leiwen@marvell.com]>2011-04-13 23:48:31 +0530
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2011-04-27 19:38:08 +0200
commit3df619ec2cae3305c20b808c4d49cfed66c1cf9b (patch)
tree28492296d69892e06b869f0bab4cafdfda38632a /arch/arm/cpu/pxa
parent879de1275abf66fbb08e601f12d6ac5a888255e1 (diff)
downloadu-boot-linaro-stable-3df619ec2cae3305c20b808c4d49cfed66c1cf9b.tar.gz
mv_i2c: use structure to replace the direclty define
Add i2c_clk_enable in the cpu specific code, since previous platform it, while new platform don't need. In the pantheon and armada100 platform, this function is defined as NULL one. Acked-by: Heiko Schocher <hs@denx.de> Acked-by: Prafulla Wadaskar <prafulla@marvell.com> Signed-off-by: Lei Wen <leiwen@marvell.com>
Diffstat (limited to 'arch/arm/cpu/pxa')
-rw-r--r--arch/arm/cpu/pxa/cpu.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/cpu/pxa/cpu.c b/arch/arm/cpu/pxa/cpu.c
index 7d49cbb4f..9970a4b45 100644
--- a/arch/arm/cpu/pxa/cpu.c
+++ b/arch/arm/cpu/pxa/cpu.c
@@ -318,3 +318,13 @@ int arch_cpu_init(void)
pxa_clock_setup();
return 0;
}
+
+void i2c_clk_enable(void)
+{
+ /* set the global I2C clock on */
+#ifdef CONFIG_CPU_MONAHANS
+ writel(readl(CKENB) | (CKENB_4_I2C), CKENB);
+#else
+ writel(readl(CKEN) | CKEN14_I2C, CKEN);
+#endif
+}