#include <linux/leds.h>
#include <linux/spi/spi.h>
#include <linux/atmel-mci.h>
+#include <linux/usb/atmel_usba_udc.h>
#include <asm/io.h>
#include <asm/setup.h>
[2] = 12000000, /* 12 MHz on osc1 */
};
+/*
+ * The ATNGW100 mkII is very similar to the ATNGW100. Both have the AT32AP7000
+ * chip on board; the difference is that the ATNGW100 mkII has 128 MB 32-bit
+ * SDRAM (the ATNGW100 has 32 MB 16-bit SDRAM) and 256 MB 16-bit NAND flash
+ * (the ATNGW100 has none.)
+ *
+ * The RAM difference is handled by the boot loader, so the only difference we
+ * end up handling here is the NAND flash, EBI pin reservation and if LCDC or
+ * MACB1 should be enabled.
+ */
+#ifdef CONFIG_BOARD_ATNGW100_MKII
+#include <linux/mtd/partitions.h>
+#include <mach/smc.h>
+
+static struct smc_timing nand_timing __initdata = {
+ .ncs_read_setup = 0,
+ .nrd_setup = 10,
+ .ncs_write_setup = 0,
+ .nwe_setup = 10,
+
+ .ncs_read_pulse = 30,
+ .nrd_pulse = 15,
+ .ncs_write_pulse = 30,
+ .nwe_pulse = 15,
+
+ .read_cycle = 30,
+ .write_cycle = 30,
+
+ .ncs_read_recover = 0,
+ .nrd_recover = 15,
+ .ncs_write_recover = 0,
+ /* WE# high -> RE# low min 60 ns */
+ .nwe_recover = 50,
+};
+
+static struct smc_config nand_config __initdata = {
+ .bus_width = 2,
+ .nrd_controlled = 1,
+ .nwe_controlled = 1,
+ .nwait_mode = 0,
+ .byte_write = 0,
+ .tdf_cycles = 2,
+ .tdf_mode = 0,
+};
+
+static struct mtd_partition nand_partitions[] = {
+ {
+ .name = "main",
+ .offset = 0x00000000,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static struct mtd_partition *nand_part_info(int size, int *num_partitions)
+{
+ *num_partitions = ARRAY_SIZE(nand_partitions);
+ return nand_partitions;
+}
+
+static struct atmel_nand_data atngw100mkii_nand_data __initdata = {
+ .cle = 21,
+ .ale = 22,
+ .rdy_pin = GPIO_PIN_PB(28),
+ .enable_pin = GPIO_PIN_PE(23),
+ .bus_width_16 = true,
+ .partition_info = nand_part_info,
+};
+#endif
+
/* Initialized by bootloader-specific startup code. */
struct tag *bootloader_tags __initdata;
static struct mci_platform_data __initdata mci0_data = {
.slot[0] = {
.bus_width = 4,
-#if defined(CONFIG_BOARD_ATNGW100_EVKLCD10X) || defined(CONFIG_BOARD_ATNGW100_MRMT1)
- .detect_pin = GPIO_PIN_NONE,
- .wp_pin = GPIO_PIN_NONE,
+#if defined(CONFIG_BOARD_ATNGW100_MKII)
+ .detect_pin = GPIO_PIN_PC(25),
+ .wp_pin = GPIO_PIN_PE(22),
#else
.detect_pin = GPIO_PIN_PC(25),
.wp_pin = GPIO_PIN_PE(0),
},
};
+static struct usba_platform_data atngw100_usba_data __initdata = {
+#if defined(CONFIG_BOARD_ATNGW100_MKII)
+ .vbus_pin = GPIO_PIN_PE(26),
+#else
+ .vbus_pin = -ENODEV,
+#endif
+};
+
/*
* The next two functions should go away as the boot loader is
* supposed to initialize the macb address registers with a valid
unsigned i;
/*
- * ATNGW100 uses 16-bit SDRAM interface, so we don't need to
- * reserve any pins for it.
+ * ATNGW100 mkII uses 32-bit SDRAM interface. Reserve the
+ * SDRAM-specific pins so that nobody messes with them.
*/
+#ifdef CONFIG_BOARD_ATNGW100_MKII
+ at32_reserve_pin(GPIO_PIOE_BASE, ATMEL_EBI_PE_DATA_ALL);
+
+ smc_set_timing(&nand_config, &nand_timing);
+ smc_set_configuration(3, &nand_config);
+ at32_add_device_nand(0, &atngw100mkii_nand_data);
+#endif
at32_add_device_usart(0);
set_hw_addr(at32_add_device_eth(0, ð_data[0]));
+#ifndef CONFIG_BOARD_ATNGW100_MKII_LCD
set_hw_addr(at32_add_device_eth(1, ð_data[1]));
+#endif
at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info));
at32_add_device_mci(0, &mci0_data);
- at32_add_device_usba(0, NULL);
+ at32_add_device_usba(0, &atngw100_usba_data);
for (i = 0; i < ARRAY_SIZE(ngw_leds); i++) {
at32_select_gpio(ngw_leds[i].gpio,
/* all these i2c/smbus pins should have external pullups for
* open-drain sharing among all I2C devices. SDA and SCL do;
- * PB28/EXTINT3 doesn't; it should be SMBALERT# (for PMBus),
- * but it's not available off-board.
+ * PB28/EXTINT3 (ATNGW100) and PE21 (ATNGW100 mkII) doesn't; it should
+ * be SMBALERT# (for PMBus), but it's not available off-board.
*/
+#ifdef CONFIG_BOARD_ATNGW100_MKII
+ at32_select_periph(GPIO_PIOE_BASE, 1 << 21, 0, AT32_GPIOF_PULLUP);
+#else
at32_select_periph(GPIO_PIOB_BASE, 1 << 28, 0, AT32_GPIOF_PULLUP);
+#endif
at32_select_gpio(i2c_gpio_data.sda_pin,
AT32_GPIOF_MULTIDRV | AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH);
at32_select_gpio(i2c_gpio_data.scl_pin,
static int __init atngw100_arch_init(void)
{
- /* PB30 is the otherwise unused jumper on the mainboard, with an
- * external pullup; the jumper grounds it. Use it however you
- * like, including letting U-Boot or Linux tweak boot sequences.
+ /* PB30 (ATNGW100) and PE30 (ATNGW100 mkII) is the otherwise unused
+ * jumper on the mainboard, with an external pullup; the jumper grounds
+ * it. Use it however you like, including letting U-Boot or Linux tweak
+ * boot sequences.
*/
+#ifdef CONFIG_BOARD_ATNGW100_MKII
+ at32_select_gpio(GPIO_PIN_PE(30), 0);
+ gpio_request(GPIO_PIN_PE(30), "j15");
+ gpio_direction_input(GPIO_PIN_PE(30));
+ gpio_export(GPIO_PIN_PE(30), false);
+#else
at32_select_gpio(GPIO_PIN_PB(30), 0);
gpio_request(GPIO_PIN_PB(30), "j15");
gpio_direction_input(GPIO_PIN_PB(30));
gpio_export(GPIO_PIN_PB(30), false);
+#endif
/* set_irq_type() after the arch_initcall for EIC has run, and
* before the I2C subsystem could try using this IRQ.
git.samba.org / sfrench / cifs-2.6.git / blobdiff