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Diffstat (limited to 'arch/arm/mach-at91/board-sam9261ek.c')
-rw-r--r--arch/arm/mach-at91/board-sam9261ek.c303
1 files changed, 211 insertions, 92 deletions
diff --git a/arch/arm/mach-at91/board-sam9261ek.c b/arch/arm/mach-at91/board-sam9261ek.c
index 0ce38dfa6eb..4637432de08 100644
--- a/arch/arm/mach-at91/board-sam9261ek.c
+++ b/arch/arm/mach-at91/board-sam9261ek.c
@@ -20,12 +20,15 @@
*/
#include <linux/types.h>
+#include <linux/gpio.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
+#include <linux/spi/at73c213.h>
+#include <linux/clk.h>
#include <linux/dm9000.h>
#include <linux/fb.h>
#include <linux/gpio_keys.h>
@@ -33,7 +36,6 @@
#include <video/atmel_lcdc.h>
-#include <asm/hardware.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
@@ -42,47 +44,29 @@
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
-#include <asm/arch/board.h>
-#include <asm/arch/gpio.h>
-#include <asm/arch/at91sam926x_mc.h>
+#include <mach/hardware.h>
+#include <mach/at91sam9_smc.h>
+#include <mach/system_rev.h>
+#include "at91_aic.h"
+#include "at91_shdwc.h"
+#include "board.h"
+#include "sam9_smc.h"
#include "generic.h"
+#include "gpio.h"
-/*
- * Serial port configuration.
- * 0 .. 2 = USART0 .. USART2
- * 3 = DBGU
- */
-static struct at91_uart_config __initdata ek_uart_config = {
- .console_tty = 0, /* ttyS0 */
- .nr_tty = 1,
- .tty_map = { 3, -1, -1, -1 } /* ttyS0, ..., ttyS3 */
-};
-
-static void __init ek_map_io(void)
+static void __init ek_init_early(void)
{
/* Initialize processor: 18.432 MHz crystal */
- at91sam9261_initialize(18432000);
-
- /* Setup the LEDs */
- at91_init_leds(AT91_PIN_PA13, AT91_PIN_PA14);
-
- /* Setup the serial ports and console */
- at91_init_serial(&ek_uart_config);
+ at91_initialize(18432000);
}
-static void __init ek_init_irq(void)
-{
- at91sam9261_init_interrupts(NULL);
-}
-
-
/*
* 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,
@@ -94,37 +78,53 @@ static struct resource at91sam9261_dm9000_resource[] = {
.flags = IORESOURCE_MEM
},
[2] = {
- .start = AT91_PIN_PC11,
- .end = AT91_PIN_PC11,
.flags = IORESOURCE_IRQ
+ | IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE,
}
};
static struct dm9000_plat_data dm9000_platdata = {
- .flags = DM9000_PLATF_16BITONLY,
+ .flags = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
};
-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));
+ struct resource *r = &dm9000_resource[2];
+
+ /* Configure chip-select 2 (DM9000) */
+ sam9_smc_configure(0, 2, &dm9000_smc_config);
/* Configure Reset signal as output */
at91_set_gpio_output(AT91_PIN_PC10, 0);
@@ -132,7 +132,8 @@ 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);
+ r->start = r->end = gpio_to_irq(AT91_PIN_PC11);
+ platform_device_register(&dm9000_device);
}
#else
static void __init ek_add_device_dm9000(void) {}
@@ -144,6 +145,8 @@ static void __init ek_add_device_dm9000(void) {}
*/
static struct at91_usbh_data __initdata ek_usbh_data = {
.ports = 2,
+ .vbus_pin = {-EINVAL, -EINVAL},
+ .overcurrent_pin= {-EINVAL, -EINVAL},
};
@@ -152,18 +155,7 @@ static struct at91_usbh_data __initdata ek_usbh_data = {
*/
static struct at91_udc_data __initdata ek_udc_data = {
.vbus_pin = AT91_PIN_PB29,
- .pullup_pin = 0, /* pull-up driven by UDC */
-};
-
-
-/*
- * MCI (SD/MMC)
- */
-static struct at91_mmc_data __initdata ek_mmc_data = {
- .wire4 = 1,
-// .det_pin = ... not connected
-// .wp_pin = ... not connected
-// .vcc_pin = ... not connected
+ .pullup_pin = -EINVAL, /* pull-up driven by UDC */
};
@@ -174,35 +166,65 @@ static struct mtd_partition __initdata ek_nand_partition[] = {
{
.name = "Partition 1",
.offset = 0,
- .size = 256 * 1024,
+ .size = SZ_256K,
},
{
.name = "Partition 2",
- .offset = 256 * 1024 ,
+ .offset = MTDPART_OFS_NXTBLK,
.size = MTDPART_SIZ_FULL,
},
};
-static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
-{
- *num_partitions = ARRAY_SIZE(ek_nand_partition);
- return ek_nand_partition;
-}
-
-static struct at91_nand_data __initdata ek_nand_data = {
+static struct atmel_nand_data __initdata ek_nand_data = {
.ale = 22,
.cle = 21,
-// .det_pin = ... not connected
+ .det_pin = -EINVAL,
.rdy_pin = AT91_PIN_PC15,
.enable_pin = AT91_PIN_PC14,
- .partition_info = nand_partitions,
-#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
- .bus_width_16 = 1,
-#else
- .bus_width_16 = 0,
-#endif
+ .ecc_mode = NAND_ECC_SOFT,
+ .on_flash_bbt = 1,
+ .parts = ek_nand_partition,
+ .num_parts = ARRAY_SIZE(ek_nand_partition),
};
+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)
+{
+ ek_nand_data.bus_width_16 = board_have_nand_16bit();
+ /* 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(0, 3, &ek_nand_smc_config);
+
+ at91_add_device_nand(&ek_nand_data);
+}
+
+/*
+ * SPI related devices
+ */
+#if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
+
/*
* ADS7846 Touchscreen
*/
@@ -239,6 +261,35 @@ static void __init ek_add_device_ts(void) {}
#endif
/*
+ * Audio
+ */
+static struct at73c213_board_info at73c213_data = {
+ .ssc_id = 1,
+ .shortname = "AT91SAM9261/9G10-EK external DAC",
+};
+
+#if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
+static void __init at73c213_set_clk(struct at73c213_board_info *info)
+{
+ struct clk *pck2;
+ struct clk *plla;
+
+ pck2 = clk_get(NULL, "pck2");
+ plla = clk_get(NULL, "plla");
+
+ /* AT73C213 MCK Clock */
+ at91_set_B_periph(AT91_PIN_PB31, 0); /* PCK2 */
+
+ clk_set_parent(pck2, plla);
+ clk_put(plla);
+
+ info->dac_clk = pck2;
+}
+#else
+static void __init at73c213_set_clk(struct at73c213_board_info *info) {}
+#endif
+
+/*
* SPI devices
*/
static struct spi_board_info ek_spi_devices[] = {
@@ -255,7 +306,8 @@ static struct spi_board_info ek_spi_devices[] = {
.max_speed_hz = 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */
.bus_num = 0,
.platform_data = &ads_info,
- .irq = AT91SAM9261_ID_IRQ0,
+ .irq = NR_IRQS_LEGACY + AT91SAM9261_ID_IRQ0,
+ .controller_data = (void *) AT91_PIN_PA28, /* CS pin */
},
#endif
#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
@@ -271,10 +323,30 @@ static struct spi_board_info ek_spi_devices[] = {
.chip_select = 3,
.max_speed_hz = 10 * 1000 * 1000,
.bus_num = 0,
+ .mode = SPI_MODE_1,
+ .platform_data = &at73c213_data,
+ .controller_data = (void*) AT91_PIN_PA29, /* default for CS3 is PA6, but it must be PA29 */
},
#endif
};
+#else /* CONFIG_SPI_ATMEL_* */
+/* spi0 and mmc/sd share the same PIO pins: cannot be used at the same time */
+
+/*
+ * MCI (SD/MMC)
+ * det_pin, wp_pin and vcc_pin are not connected
+ */
+static struct mci_platform_data __initdata mci0_data = {
+ .slot[0] = {
+ .bus_width = 4,
+ .detect_pin = -EINVAL,
+ .wp_pin = -EINVAL,
+ },
+};
+
+#endif /* CONFIG_SPI_ATMEL_* */
+
/*
* LCD Controller
@@ -318,7 +390,7 @@ static struct fb_monspecs at91fb_default_stn_monspecs = {
| ATMEL_LCDC_IFWIDTH_4 \
| ATMEL_LCDC_SCANMOD_SINGLE)
-static void at91_lcdc_stn_power_control(int on)
+static void at91_lcdc_stn_power_control(struct atmel_lcdfb_pdata *pdata, int on)
{
/* backlight */
if (on) { /* power up */
@@ -330,7 +402,7 @@ static void at91_lcdc_stn_power_control(int on)
}
}
-static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
+static struct atmel_lcdfb_pdata __initdata ek_lcdc_data = {
.default_bpp = 1,
.default_dmacon = ATMEL_LCDC_DMAEN,
.default_lcdcon2 = AT91SAM9261_DEFAULT_STN_LCDCON2,
@@ -374,7 +446,7 @@ static struct fb_monspecs at91fb_default_tft_monspecs = {
| ATMEL_LCDC_DISTYPE_TFT \
| ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
-static void at91_lcdc_tft_power_control(int on)
+static void at91_lcdc_tft_power_control(struct atmel_lcdfb_pdata *pdata, int on)
{
if (on)
at91_set_gpio_value(AT91_PIN_PA12, 0); /* power up */
@@ -382,7 +454,7 @@ static void at91_lcdc_tft_power_control(int on)
at91_set_gpio_value(AT91_PIN_PA12, 1); /* power down */
}
-static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
+static struct atmel_lcdfb_pdata __initdata ek_lcdc_data = {
.lcdcon_is_backlight = true,
.default_bpp = 16,
.default_dmacon = ATMEL_LCDC_DMAEN,
@@ -394,7 +466,7 @@ static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
#endif
#else
-static struct atmel_lcdfb_info __initdata ek_lcdc_data;
+static struct atmel_lcdfb_pdata __initdata ek_lcdc_data;
#endif
@@ -408,24 +480,28 @@ static struct gpio_keys_button ek_buttons[] = {
.code = BTN_0,
.desc = "Button 0",
.active_low = 1,
+ .wakeup = 1,
},
{
.gpio = AT91_PIN_PA26,
.code = BTN_1,
.desc = "Button 1",
.active_low = 1,
+ .wakeup = 1,
},
{
.gpio = AT91_PIN_PA25,
.code = BTN_2,
.desc = "Button 2",
.active_low = 1,
+ .wakeup = 1,
},
{
.gpio = AT91_PIN_PA24,
.code = BTN_3,
.desc = "Button 3",
.active_low = 1,
+ .wakeup = 1,
}
};
@@ -445,13 +521,13 @@ static struct platform_device ek_button_device = {
static void __init ek_add_device_buttons(void)
{
- at91_set_gpio_input(AT91_PIN_PA27, 0); /* btn0 */
+ at91_set_gpio_input(AT91_PIN_PA27, 1); /* btn0 */
at91_set_deglitch(AT91_PIN_PA27, 1);
- at91_set_gpio_input(AT91_PIN_PA26, 0); /* btn1 */
+ at91_set_gpio_input(AT91_PIN_PA26, 1); /* btn1 */
at91_set_deglitch(AT91_PIN_PA26, 1);
- at91_set_gpio_input(AT91_PIN_PA25, 0); /* btn2 */
+ at91_set_gpio_input(AT91_PIN_PA25, 1); /* btn2 */
at91_set_deglitch(AT91_PIN_PA25, 1);
- at91_set_gpio_input(AT91_PIN_PA24, 0); /* btn3 */
+ at91_set_gpio_input(AT91_PIN_PA24, 1); /* btn3 */
at91_set_deglitch(AT91_PIN_PA24, 1);
platform_device_register(&ek_button_device);
@@ -460,10 +536,39 @@ static void __init ek_add_device_buttons(void)
static void __init ek_add_device_buttons(void) {}
#endif
+/*
+ * LEDs
+ */
+static struct gpio_led ek_leds[] = {
+ { /* "bottom" led, green, userled1 to be defined */
+ .name = "ds7",
+ .gpio = AT91_PIN_PA14,
+ .active_low = 1,
+ .default_trigger = "none",
+ },
+ { /* "top" led, green, userled2 to be defined */
+ .name = "ds8",
+ .gpio = AT91_PIN_PA13,
+ .active_low = 1,
+ .default_trigger = "none",
+ },
+ { /* "power" led, yellow */
+ .name = "ds1",
+ .gpio = AT91_PIN_PA23,
+ .default_trigger = "heartbeat",
+ }
+};
+
static void __init ek_board_init(void)
{
/* Serial */
+ /* DBGU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
at91_add_device_serial();
+
+ if (cpu_is_at91sam9g10())
+ ek_lcdc_data.lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB;
+
/* USB Host */
at91_add_device_usbh(&ek_usbh_data);
/* USB Device */
@@ -471,7 +576,7 @@ 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();
@@ -481,23 +586,37 @@ static void __init ek_board_init(void)
at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
/* Touchscreen */
ek_add_device_ts();
+ /* SSC (to AT73C213) */
+ at73c213_set_clk(&at73c213_data);
+ at91_add_device_ssc(AT91SAM9261_ID_SSC1, ATMEL_SSC_TX);
#else
/* MMC */
- at91_add_device_mmc(0, &ek_mmc_data);
+ at91_add_device_mci(0, &mci0_data);
#endif
/* LCD Controller */
at91_add_device_lcdc(&ek_lcdc_data);
/* Push Buttons */
ek_add_device_buttons();
+ /* LEDs */
+ at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
}
MACHINE_START(AT91SAM9261EK, "Atmel AT91SAM9261-EK")
/* Maintainer: Atmel */
- .phys_io = AT91_BASE_SYS,
- .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
- .boot_params = AT91_SDRAM_BASE + 0x100,
- .timer = &at91sam926x_timer,
- .map_io = ek_map_io,
- .init_irq = ek_init_irq,
+ .init_time = at91sam926x_pit_init,
+ .map_io = at91_map_io,
+ .handle_irq = at91_aic_handle_irq,
+ .init_early = ek_init_early,
+ .init_irq = at91_init_irq_default,
+ .init_machine = ek_board_init,
+MACHINE_END
+
+MACHINE_START(AT91SAM9G10EK, "Atmel AT91SAM9G10-EK")
+ /* Maintainer: Atmel */
+ .init_time = at91sam926x_pit_init,
+ .map_io = at91_map_io,
+ .handle_irq = at91_aic_handle_irq,
+ .init_early = ek_init_early,
+ .init_irq = at91_init_irq_default,
.init_machine = ek_board_init,
MACHINE_END
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 12:54:59 +0000