48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
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/*
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* linux/arch/arm/mach-at91/sam9_smc.c
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*
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* Copyright (C) 2008 Andrew Victor
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/module.h>
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#include <linux/io.h>
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#include <mach/at91sam9_smc.h>
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#include "sam9_smc.h"
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void __init sam9_smc_configure(int cs, struct sam9_smc_config* config)
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{
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/* Setup register */
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at91_sys_write(AT91_SMC_SETUP(cs),
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AT91_SMC_NWESETUP_(config->nwe_setup)
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| AT91_SMC_NCS_WRSETUP_(config->ncs_write_setup)
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| AT91_SMC_NRDSETUP_(config->nrd_setup)
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| AT91_SMC_NCS_RDSETUP_(config->ncs_read_setup)
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);
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/* Pulse register */
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at91_sys_write(AT91_SMC_PULSE(cs),
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AT91_SMC_NWEPULSE_(config->nwe_pulse)
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| AT91_SMC_NCS_WRPULSE_(config->ncs_write_pulse)
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| AT91_SMC_NRDPULSE_(config->nrd_pulse)
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| AT91_SMC_NCS_RDPULSE_(config->ncs_read_pulse)
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);
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/* Cycle register */
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at91_sys_write(AT91_SMC_CYCLE(cs),
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AT91_SMC_NWECYCLE_(config->write_cycle)
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| AT91_SMC_NRDCYCLE_(config->read_cycle)
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);
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/* Mode register */
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at91_sys_write(AT91_SMC_MODE(cs),
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config->mode
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| AT91_SMC_TDF_(config->tdf_cycles)
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);
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}
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