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-rw-r--r--arch/arm/mach-at91/sam9_smc.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/sam9_smc.c b/arch/arm/mach-at91/sam9_smc.c
new file mode 100644
index 00000000000..5eab6aa621d
--- /dev/null
+++ b/arch/arm/mach-at91/sam9_smc.c
@@ -0,0 +1,47 @@
+/*
+ * linux/arch/arm/mach-at91/sam9_smc.c
+ *
+ * Copyright (C) 2008 Andrew Victor
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/io.h>
+
+#include <mach/at91sam9_smc.h>
+
+#include "sam9_smc.h"
+
+void __init sam9_smc_configure(int cs, struct sam9_smc_config* config)
+{
+ /* Setup register */
+ at91_sys_write(AT91_SMC_SETUP(cs),
+ AT91_SMC_NWESETUP_(config->nwe_setup)
+ | AT91_SMC_NCS_WRSETUP_(config->ncs_write_setup)
+ | AT91_SMC_NRDSETUP_(config->nrd_setup)
+ | AT91_SMC_NCS_RDSETUP_(config->ncs_read_setup)
+ );
+
+ /* Pulse register */
+ at91_sys_write(AT91_SMC_PULSE(cs),
+ AT91_SMC_NWEPULSE_(config->nwe_pulse)
+ | AT91_SMC_NCS_WRPULSE_(config->ncs_write_pulse)
+ | AT91_SMC_NRDPULSE_(config->nrd_pulse)
+ | AT91_SMC_NCS_RDPULSE_(config->ncs_read_pulse)
+ );
+
+ /* Cycle register */
+ at91_sys_write(AT91_SMC_CYCLE(cs),
+ AT91_SMC_NWECYCLE_(config->write_cycle)
+ | AT91_SMC_NRDCYCLE_(config->read_cycle)
+ );
+
+ /* Mode register */
+ at91_sys_write(AT91_SMC_MODE(cs),
+ config->mode
+ | AT91_SMC_TDF_(config->tdf_cycles)
+ );
+}