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-rw-r--r--arch/arm/mach-at91/Makefile12
-rw-r--r--arch/arm/mach-at91/sam9_smc.c47
-rw-r--r--arch/arm/mach-at91/sam9_smc.h33
3 files changed, 86 insertions, 6 deletions
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index cca612d97ca2..f430a64e8610 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -11,12 +11,12 @@ obj-$(CONFIG_AT91_PMC_UNIT) += clock.o
11 11
12# CPU-specific support 12# CPU-specific support
13obj-$(CONFIG_ARCH_AT91RM9200) += at91rm9200.o at91rm9200_time.o at91rm9200_devices.o 13obj-$(CONFIG_ARCH_AT91RM9200) += at91rm9200.o at91rm9200_time.o at91rm9200_devices.o
14obj-$(CONFIG_ARCH_AT91SAM9260) += at91sam9260.o at91sam926x_time.o at91sam9260_devices.o 14obj-$(CONFIG_ARCH_AT91SAM9260) += at91sam9260.o at91sam926x_time.o at91sam9260_devices.o sam9_smc.o
15obj-$(CONFIG_ARCH_AT91SAM9261) += at91sam9261.o at91sam926x_time.o at91sam9261_devices.o 15obj-$(CONFIG_ARCH_AT91SAM9261) += at91sam9261.o at91sam926x_time.o at91sam9261_devices.o sam9_smc.o
16obj-$(CONFIG_ARCH_AT91SAM9263) += at91sam9263.o at91sam926x_time.o at91sam9263_devices.o 16obj-$(CONFIG_ARCH_AT91SAM9263) += at91sam9263.o at91sam926x_time.o at91sam9263_devices.o sam9_smc.o
17obj-$(CONFIG_ARCH_AT91SAM9RL) += at91sam9rl.o at91sam926x_time.o at91sam9rl_devices.o 17obj-$(CONFIG_ARCH_AT91SAM9RL) += at91sam9rl.o at91sam926x_time.o at91sam9rl_devices.o sam9_smc.o
18obj-$(CONFIG_ARCH_AT91SAM9G20) += at91sam9260.o at91sam926x_time.o at91sam9260_devices.o 18obj-$(CONFIG_ARCH_AT91SAM9G20) += at91sam9260.o at91sam926x_time.o at91sam9260_devices.o sam9_smc.o
19obj-$(CONFIG_ARCH_AT91CAP9) += at91cap9.o at91sam926x_time.o at91cap9_devices.o 19obj-$(CONFIG_ARCH_AT91CAP9) += at91cap9.o at91sam926x_time.o at91cap9_devices.o sam9_smc.o
20obj-$(CONFIG_ARCH_AT91X40) += at91x40.o at91x40_time.o 20obj-$(CONFIG_ARCH_AT91X40) += at91x40.o at91x40_time.o
21 21
22# AT91RM9200 board-specific support 22# AT91RM9200 board-specific support
diff --git a/arch/arm/mach-at91/sam9_smc.c b/arch/arm/mach-at91/sam9_smc.c
new file mode 100644
index 000000000000..5eab6aa621d0
--- /dev/null
+++ b/arch/arm/mach-at91/sam9_smc.c
@@ -0,0 +1,47 @@
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}
diff --git a/arch/arm/mach-at91/sam9_smc.h b/arch/arm/mach-at91/sam9_smc.h
new file mode 100644
index 000000000000..bf72cfb3455b
--- /dev/null
+++ b/arch/arm/mach-at91/sam9_smc.h
@@ -0,0 +1,33 @@
1/*
2 * linux/arch/arm/mach-at91/sam9_smc.
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
11struct sam9_smc_config {
12 /* Setup register */
13 u8 ncs_read_setup;
14 u8 nrd_setup;
15 u8 ncs_write_setup;
16 u8 nwe_setup;
17
18 /* Pulse register */
19 u8 ncs_read_pulse;
20 u8 nrd_pulse;
21 u8 ncs_write_pulse;
22 u8 nwe_pulse;
23
24 /* Cycle register */
25 u16 read_cycle;
26 u16 write_cycle;
27
28 /* Mode register */
29 u32 mode;
30 u8 tdf_cycles:4;
31};
32
33extern void __init sam9_smc_configure(int cs, struct sam9_smc_config* config);