diff options
Diffstat (limited to 'arch/arm/mach-at91/at91sam9260_devices.c')
| -rw-r--r-- | arch/arm/mach-at91/at91sam9260_devices.c | 52 |
1 files changed, 37 insertions, 15 deletions
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c index 393a32aefce..cae5f52f127 100644 --- a/arch/arm/mach-at91/at91sam9260_devices.c +++ b/arch/arm/mach-at91/at91sam9260_devices.c @@ -18,6 +18,7 @@ #include <asm/arch/board.h> #include <asm/arch/gpio.h> +#include <asm/arch/cpu.h> #include <asm/arch/at91sam9260.h> #include <asm/arch/at91sam9260_matrix.h> #include <asm/arch/at91sam9_smc.h> @@ -283,7 +284,7 @@ void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {} * -------------------------------------------------------------------- */ #if defined(CONFIG_MTD_NAND_AT91) || defined(CONFIG_MTD_NAND_AT91_MODULE) -static struct at91_nand_data nand_data; +static struct atmel_nand_data nand_data; #define NAND_BASE AT91_CHIPSELECT_3 @@ -301,7 +302,7 @@ static struct resource nand_resources[] = { }; static struct platform_device at91sam9260_nand_device = { - .name = "at91_nand", + .name = "atmel_nand", .id = -1, .dev = { .platform_data = &nand_data, @@ -310,7 +311,7 @@ static struct platform_device at91sam9260_nand_device = { .num_resources = ARRAY_SIZE(nand_resources), }; -void __init at91_add_device_nand(struct at91_nand_data *data) +void __init at91_add_device_nand(struct atmel_nand_data *data) { unsigned long csa, mode; @@ -320,20 +321,41 @@ void __init at91_add_device_nand(struct at91_nand_data *data) csa = at91_sys_read(AT91_MATRIX_EBICSA); at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA); - /* set the bus interface characteristics */ - at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(0) | AT91_SMC_NCS_WRSETUP_(0) - | AT91_SMC_NRDSETUP_(0) | AT91_SMC_NCS_RDSETUP_(0)); + if (cpu_is_at91sam9260()) { + /* Timing for sam9260 */ + /* set the bus interface characteristics */ + at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0) + | AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0)); - at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3) - | AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3)); + at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3) + | AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3)); - at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5)); + at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5)); - if (data->bus_width_16) - mode = AT91_SMC_DBW_16; - else - mode = AT91_SMC_DBW_8; - at91_sys_write(AT91_SMC_MODE(3), mode | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(2)); + if (data->bus_width_16) + mode = AT91_SMC_DBW_16; + else + mode = AT91_SMC_DBW_8; + at91_sys_write(AT91_SMC_MODE(3), mode | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(2)); + } + + if (cpu_is_at91sam9g20()) { + /* Timing for sam9g20 */ + /* set the bus interface characteristics */ + at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(2) | AT91_SMC_NCS_WRSETUP_(0) + | AT91_SMC_NRDSETUP_(2) | AT91_SMC_NCS_RDSETUP_(0)); + + at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(4) | AT91_SMC_NCS_WRPULSE_(4) + | AT91_SMC_NRDPULSE_(4) | AT91_SMC_NCS_RDPULSE_(4)); + + at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(7) | AT91_SMC_NRDCYCLE_(7)); + + if (data->bus_width_16) + mode = AT91_SMC_DBW_16; + else + mode = AT91_SMC_DBW_8; + at91_sys_write(AT91_SMC_MODE(3), mode | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(3)); + } /* enable pin */ if (data->enable_pin) @@ -351,7 +373,7 @@ void __init at91_add_device_nand(struct at91_nand_data *data) platform_device_register(&at91sam9260_nand_device); } #else -void __init at91_add_device_nand(struct at91_nand_data *data) {} +void __init at91_add_device_nand(struct atmel_nand_data *data) {} #endif |