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@@ -15,6 +15,8 @@
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#include <linux/delay.h>
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#include <linux/err.h>
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#include <linux/mutex.h>
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+#include <linux/of.h>
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+#include <linux/of_address.h>
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#include <asm/processor.h> /* for cpu_relax() */
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@@ -33,7 +35,8 @@ static u32 ocotp_words[OCOTP_WORD_COUNT];
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const u32 *mxs_get_ocotp(void)
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{
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- void __iomem *ocotp_base = MXS_IO_ADDRESS(MXS_OCOTP_BASE_ADDR);
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+ struct device_node *np;
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+ void __iomem *ocotp_base;
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int timeout = 0x400;
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size_t i;
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static int once = 0;
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@@ -41,6 +44,10 @@ const u32 *mxs_get_ocotp(void)
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if (once)
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return ocotp_words;
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+ np = of_find_compatible_node(NULL, NULL, "fsl,ocotp");
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+ ocotp_base = of_iomap(np, 0);
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+ WARN_ON(!ocotp_base);
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+
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mutex_lock(&ocotp_mutex);
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/*
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