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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-31 02:36:49 +0100 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-31 02:36:49 +0100 |
commit | 14a3c4ab0e58d143c7928c9eb2f2610205e13bf2 (patch) | |
tree | 885992999d7a1a2fd3586efcf32ebcbcbc3a72aa /arch/arm/mach-at91/board-sam9261ek.c | |
parent | tracing: removed duplicated #include (diff) | |
parent | Merge branch 'for-rmk' of git://git.kernel.org/pub/scm/linux/kernel/git/ycmia... (diff) | |
download | linux-14a3c4ab0e58d143c7928c9eb2f2610205e13bf2.tar.xz linux-14a3c4ab0e58d143c7928c9eb2f2610205e13bf2.zip |
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (407 commits)
[ARM] pxafb: add support for overlay1 and overlay2 as framebuffer devices
[ARM] pxafb: cleanup of the timing checking code
[ARM] pxafb: cleanup of the color format manipulation code
[ARM] pxafb: add palette format support for LCCR4_PAL_FOR_3
[ARM] pxafb: add support for FBIOPAN_DISPLAY by dma braching
[ARM] pxafb: allow pxafb_set_par() to start from arbitrary yoffset
[ARM] pxafb: allow video memory size to be configurable
[ARM] pxa: add document on the MFP design and how to use it
[ARM] sa1100_wdt: don't assume CLOCK_TICK_RATE to be a constant
[ARM] rtc-sa1100: don't assume CLOCK_TICK_RATE to be a constant
[ARM] pxa/tavorevb: update board support (smartpanel LCD + keypad)
[ARM] pxa: Update eseries defconfig
[ARM] 5352/1: add w90p910-plat config file
[ARM] s3c: S3C options should depend on PLAT_S3C
[ARM] mv78xx0: implement GPIO and GPIO interrupt support
[ARM] Kirkwood: implement GPIO and GPIO interrupt support
[ARM] Orion: share GPIO IRQ handling code
[ARM] Orion: share GPIO handling code
[ARM] s3c: define __io using the typesafe version
[ARM] S3C64XX: Ensure CPU_V6 is selected
...
Diffstat (limited to 'arch/arm/mach-at91/board-sam9261ek.c')
-rw-r--r-- | arch/arm/mach-at91/board-sam9261ek.c | 80 |
1 files changed, 65 insertions, 15 deletions
diff --git a/arch/arm/mach-at91/board-sam9261ek.c b/arch/arm/mach-at91/board-sam9261ek.c index 4977409d4fc6..d5266da55311 100644 --- a/arch/arm/mach-at91/board-sam9261ek.c +++ b/arch/arm/mach-at91/board-sam9261ek.c @@ -47,7 +47,9 @@ #include <mach/board.h> #include <mach/gpio.h> #include <mach/at91sam9_smc.h> +#include <mach/at91_shdwc.h> +#include "sam9_smc.h" #include "generic.h" @@ -76,7 +78,7 @@ static void __init ek_init_irq(void) * DM9000 ethernet device */ #if defined(CONFIG_DM9000) -static struct resource at91sam9261_dm9000_resource[] = { +static struct resource dm9000_resource[] = { [0] = { .start = AT91_CHIPSELECT_2, .end = AT91_CHIPSELECT_2 + 3, @@ -98,27 +100,42 @@ static struct dm9000_plat_data dm9000_platdata = { .flags = DM9000_PLATF_16BITONLY, }; -static struct platform_device at91sam9261_dm9000_device = { +static struct platform_device dm9000_device = { .name = "dm9000", .id = 0, - .num_resources = ARRAY_SIZE(at91sam9261_dm9000_resource), - .resource = at91sam9261_dm9000_resource, + .num_resources = ARRAY_SIZE(dm9000_resource), + .resource = dm9000_resource, .dev = { .platform_data = &dm9000_platdata, } }; +/* + * SMC timings for the DM9000. + * Note: These timings were calculated for MASTER_CLOCK = 100000000 according to the DM9000 timings. + */ +static struct sam9_smc_config __initdata dm9000_smc_config = { + .ncs_read_setup = 0, + .nrd_setup = 2, + .ncs_write_setup = 0, + .nwe_setup = 2, + + .ncs_read_pulse = 8, + .nrd_pulse = 4, + .ncs_write_pulse = 8, + .nwe_pulse = 4, + + .read_cycle = 16, + .write_cycle = 16, + + .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | AT91_SMC_DBW_16, + .tdf_cycles = 1, +}; + static void __init ek_add_device_dm9000(void) { - /* - * Configure Chip-Select 2 on SMC for the DM9000. - * Note: These timings were calculated for MASTER_CLOCK = 100000000 - * according to the DM9000 timings. - */ - at91_sys_write(AT91_SMC_SETUP(2), AT91_SMC_NWESETUP_(2) | AT91_SMC_NCS_WRSETUP_(0) | AT91_SMC_NRDSETUP_(2) | AT91_SMC_NCS_RDSETUP_(0)); - at91_sys_write(AT91_SMC_PULSE(2), AT91_SMC_NWEPULSE_(4) | AT91_SMC_NCS_WRPULSE_(8) | AT91_SMC_NRDPULSE_(4) | AT91_SMC_NCS_RDPULSE_(8)); - at91_sys_write(AT91_SMC_CYCLE(2), AT91_SMC_NWECYCLE_(16) | AT91_SMC_NRDCYCLE_(16)); - at91_sys_write(AT91_SMC_MODE(2), AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | AT91_SMC_DBW_16 | AT91_SMC_TDF_(1)); + /* Configure chip-select 2 (DM9000) */ + sam9_smc_configure(2, &dm9000_smc_config); /* Configure Reset signal as output */ at91_set_gpio_output(AT91_PIN_PC10, 0); @@ -126,7 +143,7 @@ static void __init ek_add_device_dm9000(void) /* Configure Interrupt pin as input, no pull-up */ at91_set_gpio_input(AT91_PIN_PC11, 0); - platform_device_register(&at91sam9261_dm9000_device); + platform_device_register(&dm9000_device); } #else static void __init ek_add_device_dm9000(void) {} @@ -197,6 +214,39 @@ static struct atmel_nand_data __initdata ek_nand_data = { #endif }; +static struct sam9_smc_config __initdata ek_nand_smc_config = { + .ncs_read_setup = 0, + .nrd_setup = 1, + .ncs_write_setup = 0, + .nwe_setup = 1, + + .ncs_read_pulse = 3, + .nrd_pulse = 3, + .ncs_write_pulse = 3, + .nwe_pulse = 3, + + .read_cycle = 5, + .write_cycle = 5, + + .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE, + .tdf_cycles = 2, +}; + +static void __init ek_add_device_nand(void) +{ + /* setup bus-width (8 or 16) */ + if (ek_nand_data.bus_width_16) + ek_nand_smc_config.mode |= AT91_SMC_DBW_16; + else + ek_nand_smc_config.mode |= AT91_SMC_DBW_8; + + /* configure chip-select 3 (NAND) */ + sam9_smc_configure(3, &ek_nand_smc_config); + + at91_add_device_nand(&ek_nand_data); +} + + /* * ADS7846 Touchscreen */ @@ -525,7 +575,7 @@ static void __init ek_board_init(void) /* I2C */ at91_add_device_i2c(NULL, 0); /* NAND */ - at91_add_device_nand(&ek_nand_data); + ek_add_device_nand(); /* DM9000 ethernet */ ek_add_device_dm9000(); |