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-rw-r--r--arch/arm/mach-omap1/flash.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/flash.c b/arch/arm/mach-omap1/flash.c
new file mode 100644
index 000000000..0a3ddb3b6
--- /dev/null
+++ b/arch/arm/mach-omap1/flash.c
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Flash support for OMAP1
+ */
+
+#include <linux/io.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/map.h>
+#include <linux/soc/ti/omap1-io.h>
+
+#include "tc.h"
+
+#include "flash.h"
+
+
+void omap1_set_vpp(struct platform_device *pdev, int enable)
+{
+ u32 l;
+
+ l = omap_readl(EMIFS_CONFIG);
+ if (enable)
+ l |= OMAP_EMIFS_CONFIG_WP;
+ else
+ l &= ~OMAP_EMIFS_CONFIG_WP;
+ omap_writel(l, EMIFS_CONFIG);
+}