1/* 2 * linux/arch/arm/mach-at91/sam9_smc.c 3 * 4 * Copyright (C) 2008 Andrew Victor 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 9 */ 10 11#include <linux/module.h> 12#include <linux/io.h> 13 14#include <mach/at91sam9_smc.h> 15 16#include "sam9_smc.h" 17 18void __init sam9_smc_configure(int cs, struct sam9_smc_config* config) 19{ 20 /* Setup register */ 21 at91_sys_write(AT91_SMC_SETUP(cs), 22 AT91_SMC_NWESETUP_(config->nwe_setup) 23 | AT91_SMC_NCS_WRSETUP_(config->ncs_write_setup) 24 | AT91_SMC_NRDSETUP_(config->nrd_setup) 25 | AT91_SMC_NCS_RDSETUP_(config->ncs_read_setup) 26 ); 27 28 /* Pulse register */ 29 at91_sys_write(AT91_SMC_PULSE(cs), 30 AT91_SMC_NWEPULSE_(config->nwe_pulse) 31 | AT91_SMC_NCS_WRPULSE_(config->ncs_write_pulse) 32 | AT91_SMC_NRDPULSE_(config->nrd_pulse) 33 | AT91_SMC_NCS_RDPULSE_(config->ncs_read_pulse) 34 ); 35 36 /* Cycle register */ 37 at91_sys_write(AT91_SMC_CYCLE(cs), 38 AT91_SMC_NWECYCLE_(config->write_cycle) 39 | AT91_SMC_NRDCYCLE_(config->read_cycle) 40 ); 41 42 /* Mode register */ 43 at91_sys_write(AT91_SMC_MODE(cs), 44 config->mode 45 | AT91_SMC_TDF_(config->tdf_cycles) 46 ); 47} 48