ARMV7: Add pad mux support for OMAP4
Add functional multiplexing support for OMAP4 pads.
Configure all the pads for the OMAP4430 SDP
and OMAP4 Panda boards
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Aneesh V <aneesh@ti.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
diff --git a/board/ti/panda/panda.c b/board/ti/panda/panda.c
index 917bbec..1b8153b 100644
--- a/board/ti/panda/panda.c
+++ b/board/ti/panda/panda.c
@@ -24,6 +24,8 @@
#include <common.h>
#include <asm/arch/sys_proto.h>
+#include "panda.h"
+
DECLARE_GLOBAL_DATA_PTR;
const struct omap_sysinfo sysinfo = {
@@ -61,3 +63,27 @@
{
return 0;
}
+
+void do_set_mux(u32 base, struct pad_conf_entry const *array, int size)
+{
+ int i;
+ struct pad_conf_entry *pad = (struct pad_conf_entry *) array;
+
+ for (i = 0; i < size; i++, pad++)
+ writew(pad->val, base + pad->offset);
+}
+
+/**
+ * @brief set_muxconf_regs Setting up the configuration Mux registers
+ * specific to the board.
+ */
+void set_muxconf_regs(void)
+{
+ do_set_mux(CONTROL_PADCONF_CORE, core_padconf_array,
+ sizeof(core_padconf_array) /
+ sizeof(struct pad_conf_entry));
+
+ do_set_mux(CONTROL_PADCONF_WKUP, wkup_padconf_array,
+ sizeof(wkup_padconf_array) /
+ sizeof(struct pad_conf_entry));
+}