ARM: 5851/1: [AT91] AT572D940HF-EK board support
Add support for the Atmel AT572D940HF-EK board (development board for
the AT572D940HF processor).
Signed-off-by: Antonio R. Costa <costa.antonior@gmail.com>
Signed-off-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-at91/board-at572d940hf_ek.c b/arch/arm/mach-at91/board-at572d940hf_ek.c
new file mode 100644
index 0000000..5daff27
--- /dev/null
+++ b/arch/arm/mach-at91/board-at572d940hf_ek.c
@@ -0,0 +1,328 @@
+/*
+ * linux/arch/arm/mach-at91/board-at572d940hf_ek.c
+ *
+ * Copyright (C) 2008 Atmel Antonio R. Costa <costa.antonior@gmail.com>
+ * Copyright (C) 2005 SAN People
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/types.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/ds1305.h>
+#include <linux/irq.h>
+#include <linux/mtd/physmap.h>
+
+#include <mach/hardware.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <mach/board.h>
+#include <mach/gpio.h>
+#include <mach/at91sam9_smc.h>
+
+#include "sam9_smc.h"
+#include "generic.h"
+
+
+static void __init eb_map_io(void)
+{
+ /* Initialize processor: 12.500 MHz crystal */
+ at572d940hf_initialize(12000000);
+
+ /* DBGU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
+
+ /* USART0 on ttyS1. (Rx & Tx only) */
+ at91_register_uart(AT572D940HF_ID_US0, 1, 0);
+
+ /* USART1 on ttyS2. (Rx & Tx only) */
+ at91_register_uart(AT572D940HF_ID_US1, 2, 0);
+
+ /* USART2 on ttyS3. (Tx & Rx only */
+ at91_register_uart(AT572D940HF_ID_US2, 3, 0);
+
+ /* set serial console to ttyS0 (ie, DBGU) */
+ at91_set_serial_console(0);
+}
+
+static void __init eb_init_irq(void)
+{
+ at572d940hf_init_interrupts(NULL);
+}
+
+
+/*
+ * USB Host Port
+ */
+static struct at91_usbh_data __initdata eb_usbh_data = {
+ .ports = 2,
+};
+
+
+/*
+ * USB Device Port
+ */
+static struct at91_udc_data __initdata eb_udc_data = {
+ .vbus_pin = 0, /* no VBUS detection,UDC always on */
+ .pullup_pin = 0, /* pull-up driven by UDC */
+};
+
+
+/*
+ * MCI (SD/MMC)
+ */
+static struct at91_mmc_data __initdata eb_mmc_data = {
+ .wire4 = 1,
+/* .det_pin = ... not connected */
+/* .wp_pin = ... not connected */
+/* .vcc_pin = ... not connected */
+};
+
+
+/*
+ * MACB Ethernet device
+ */
+static struct at91_eth_data __initdata eb_eth_data = {
+ .phy_irq_pin = AT91_PIN_PB25,
+ .is_rmii = 1,
+};
+
+/*
+ * NOR flash
+ */
+
+static struct mtd_partition eb_nor_partitions[] = {
+ {
+ .name = "Raw Environment",
+ .offset = 0,
+ .size = SZ_4M,
+ .mask_flags = 0,
+ },
+ {
+ .name = "OS FS",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 3 * SZ_1M,
+ .mask_flags = 0,
+ },
+ {
+ .name = "APP FS",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
+ .mask_flags = 0,
+ },
+};
+
+static void nor_flash_set_vpp(struct map_info* mi, int i) {
+};
+
+static struct physmap_flash_data nor_flash_data = {
+ .width = 4,
+ .parts = eb_nor_partitions,
+ .nr_parts = ARRAY_SIZE(eb_nor_partitions),
+ .set_vpp = nor_flash_set_vpp,
+};
+
+static struct resource nor_flash_resources[] = {
+ {
+ .start = AT91_CHIPSELECT_0,
+ .end = AT91_CHIPSELECT_0 + SZ_16M - 1,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device nor_flash = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &nor_flash_data,
+ },
+ .resource = nor_flash_resources,
+ .num_resources = ARRAY_SIZE(nor_flash_resources),
+};
+
+static struct sam9_smc_config __initdata eb_nor_smc_config = {
+ .ncs_read_setup = 1,
+ .nrd_setup = 1,
+ .ncs_write_setup = 1,
+ .nwe_setup = 1,
+
+ .ncs_read_pulse = 7,
+ .nrd_pulse = 7,
+ .ncs_write_pulse = 7,
+ .nwe_pulse = 7,
+
+ .read_cycle = 9,
+ .write_cycle = 9,
+
+ .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | AT91_SMC_DBW_32,
+ .tdf_cycles = 1,
+};
+
+static void __init eb_add_device_nor(void)
+{
+ /* configure chip-select 0 (NOR) */
+ sam9_smc_configure(0, &eb_nor_smc_config);
+ platform_device_register(&nor_flash);
+}
+
+/*
+ * NAND flash
+ */
+static struct mtd_partition __initdata eb_nand_partition[] = {
+ {
+ .name = "Partition 1",
+ .offset = 0,
+ .size = SZ_16M,
+ },
+ {
+ .name = "Partition 2",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = MTDPART_SIZ_FULL,
+ }
+};
+
+static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
+{
+ *num_partitions = ARRAY_SIZE(eb_nand_partition);
+ return eb_nand_partition;
+}
+
+static struct atmel_nand_data __initdata eb_nand_data = {
+ .ale = 22,
+ .cle = 21,
+/* .det_pin = ... not connected */
+/* .rdy_pin = AT91_PIN_PC16, */
+ .enable_pin = AT91_PIN_PA15,
+ .partition_info = nand_partitions,
+#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
+ .bus_width_16 = 1,
+#else
+ .bus_width_16 = 0,
+#endif
+};
+
+static struct sam9_smc_config __initdata eb_nand_smc_config = {
+ .ncs_read_setup = 0,
+ .nrd_setup = 0,
+ .ncs_write_setup = 1,
+ .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 = 12,
+};
+
+static void __init eb_add_device_nand(void)
+{
+ /* setup bus-width (8 or 16) */
+ if (eb_nand_data.bus_width_16)
+ eb_nand_smc_config.mode |= AT91_SMC_DBW_16;
+ else
+ eb_nand_smc_config.mode |= AT91_SMC_DBW_8;
+
+ /* configure chip-select 3 (NAND) */
+ sam9_smc_configure(3, &eb_nand_smc_config);
+
+ at91_add_device_nand(&eb_nand_data);
+}
+
+
+/*
+ * SPI devices
+ */
+static struct resource rtc_resources[] = {
+ [0] = {
+ .start = AT572D940HF_ID_IRQ1,
+ .end = AT572D940HF_ID_IRQ1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct ds1305_platform_data ds1306_data = {
+ .is_ds1306 = true,
+ .en_1hz = false,
+};
+
+static struct spi_board_info eb_spi_devices[] = {
+ { /* RTC Dallas DS1306 */
+ .modalias = "rtc-ds1305",
+ .chip_select = 3,
+ .mode = SPI_CS_HIGH | SPI_CPOL | SPI_CPHA,
+ .max_speed_hz = 500000,
+ .bus_num = 0,
+ .irq = AT572D940HF_ID_IRQ1,
+ .platform_data = (void *) &ds1306_data,
+ },
+#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
+ { /* Dataflash card */
+ .modalias = "mtd_dataflash",
+ .chip_select = 0,
+ .max_speed_hz = 15 * 1000 * 1000,
+ .bus_num = 0,
+ },
+#endif
+};
+
+static void __init eb_board_init(void)
+{
+ /* Serial */
+ at91_add_device_serial();
+ /* USB Host */
+ at91_add_device_usbh(&eb_usbh_data);
+ /* USB Device */
+ at91_add_device_udc(&eb_udc_data);
+ /* I2C */
+ at91_add_device_i2c(NULL, 0);
+ /* NOR */
+ eb_add_device_nor();
+ /* NAND */
+ eb_add_device_nand();
+ /* SPI */
+ at91_add_device_spi(eb_spi_devices, ARRAY_SIZE(eb_spi_devices));
+ /* MMC */
+ at91_add_device_mmc(0, &eb_mmc_data);
+ /* Ethernet */
+ at91_add_device_eth(&eb_eth_data);
+ /* mAgic */
+ at91_add_device_mAgic();
+}
+
+MACHINE_START(AT572D940HFEB, "Atmel AT91D940HF-EB")
+ /* Maintainer: Atmel <costa.antonior@gmail.com> */
+ .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 = eb_map_io,
+ .init_irq = eb_init_irq,
+ .init_machine = eb_board_init,
+MACHINE_END