From 69d75a02db28c8bb04a4a70b1a577d571fc8e800 Mon Sep 17 00:00:00 2001 From: Shawn Guo Date: Fri, 29 Mar 2013 09:59:28 +0800 Subject: ARM: mxs: get ocotp base address from device tree Instead of using the static definitions, get ocotp base address from device tree with mapping. Signed-off-by: Shawn Guo --- arch/arm/mach-mxs/ocotp.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'arch/arm/mach-mxs/ocotp.c') diff --git a/arch/arm/mach-mxs/ocotp.c b/arch/arm/mach-mxs/ocotp.c index 1dff46703753..c2002eb2655e 100644 --- a/arch/arm/mach-mxs/ocotp.c +++ b/arch/arm/mach-mxs/ocotp.c @@ -15,6 +15,8 @@ #include #include #include +#include +#include #include /* for cpu_relax() */ @@ -33,7 +35,8 @@ static u32 ocotp_words[OCOTP_WORD_COUNT]; const u32 *mxs_get_ocotp(void) { - void __iomem *ocotp_base = MXS_IO_ADDRESS(MXS_OCOTP_BASE_ADDR); + struct device_node *np; + void __iomem *ocotp_base; int timeout = 0x400; size_t i; static int once = 0; @@ -41,6 +44,10 @@ const u32 *mxs_get_ocotp(void) if (once) return ocotp_words; + np = of_find_compatible_node(NULL, NULL, "fsl,ocotp"); + ocotp_base = of_iomap(np, 0); + WARN_ON(!ocotp_base); + mutex_lock(&ocotp_mutex); /* -- cgit v1.2.1