AT91: add board support for Pcontrol_G20
Peter Gsellmann [Wed, 13 Oct 2010 14:18:51 +0000 (16:18 +0200)]
Board is a carrier board for Stamp9G20, with additional peripherals
for a building automation system

Signed-off-by: Peter Gsellmann <pgsellmann@portner-elektronik.at>
[nicolas.ferre@atmel.com: remove machine_desc.io_pg_offst and .phys_io]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

arch/arm/configs/pcontrol_g20_defconfig [new file with mode: 0644]
arch/arm/mach-at91/Kconfig
arch/arm/mach-at91/Makefile
arch/arm/mach-at91/board-pcontrol-g20.c [new file with mode: 0644]

diff --git a/arch/arm/configs/pcontrol_g20_defconfig b/arch/arm/configs/pcontrol_g20_defconfig
new file mode 100644 (file)
index 0000000..b42ee62
--- /dev/null
@@ -0,0 +1,175 @@
+CONFIG_EXPERIMENTAL=y
+CONFIG_CROSS_COMPILE="/opt/arm-2010q1/bin/arm-none-linux-gnueabi-"
+# CONFIG_LOCALVERSION_AUTO is not set
+# CONFIG_SWAP is not set
+CONFIG_SYSVIPC=y
+CONFIG_POSIX_MQUEUE=y
+CONFIG_TREE_PREEMPT_RCU=y
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=14
+CONFIG_NAMESPACES=y
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_EMBEDDED=y
+# CONFIG_SYSCTL_SYSCALL is not set
+# CONFIG_KALLSYMS is not set
+# CONFIG_VM_EVENT_COUNTERS is not set
+# CONFIG_COMPAT_BRK is not set
+CONFIG_SLAB=y
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_LBDAF is not set
+# CONFIG_BLK_DEV_BSG is not set
+CONFIG_DEFAULT_DEADLINE=y
+CONFIG_ARCH_AT91=y
+CONFIG_ARCH_AT91SAM9G20=y
+CONFIG_MACH_PCONTROL_G20=y
+CONFIG_AT91_PROGRAMMABLE_CLOCKS=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_PREEMPT=y
+CONFIG_AEABI=y
+# CONFIG_OABI_COMPAT is not set
+CONFIG_ZBOOT_ROM_TEXT=0x0
+CONFIG_ZBOOT_ROM_BSS=0x0
+CONFIG_CMDLINE="console=ttyS0,115200 mem=128M mtdparts=atmel_nand:128k(bootstrap)ro,256k(uboot)ro,128k(env1)ro,128k(env2)ro,2M(linux),-(root) root=/dev/mmcblk0p1 rootwait rw"
+CONFIG_VFP=y
+CONFIG_BINFMT_MISC=y
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_INET=y
+# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
+# CONFIG_INET_XFRM_MODE_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_BEET is not set
+# CONFIG_INET_LRO is not set
+# CONFIG_IPV6 is not set
+CONFIG_VLAN_8021Q=y
+# CONFIG_WIRELESS is not set
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+# CONFIG_FW_LOADER is not set
+CONFIG_MTD=y
+CONFIG_MTD_PARTITIONS=y
+CONFIG_MTD_CMDLINE_PARTS=y
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLOCK=y
+CONFIG_MTD_COMPLEX_MAPPINGS=y
+CONFIG_MTD_PHRAM=m
+CONFIG_MTD_NAND=y
+CONFIG_MTD_NAND_ATMEL=y
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_SIZE=8192
+CONFIG_ATMEL_TCLIB=y
+CONFIG_EEPROM_AT24=m
+CONFIG_SCSI=m
+# CONFIG_SCSI_PROC_FS is not set
+CONFIG_BLK_DEV_SD=m
+CONFIG_SCSI_MULTI_LUN=y
+# CONFIG_SCSI_LOWLEVEL is not set
+CONFIG_NETDEVICES=y
+CONFIG_MACVLAN=m
+CONFIG_TUN=m
+CONFIG_SMSC_PHY=m
+CONFIG_BROADCOM_PHY=m
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+CONFIG_MACB=y
+CONFIG_SMSC911X=m
+# CONFIG_NETDEV_1000 is not set
+# CONFIG_NETDEV_10000 is not set
+# CONFIG_WLAN is not set
+CONFIG_PPP=m
+CONFIG_PPP_ASYNC=m
+CONFIG_PPP_DEFLATE=m
+CONFIG_PPP_MPPE=m
+CONFIG_INPUT_POLLDEV=y
+CONFIG_INPUT_SPARSEKMAP=y
+# CONFIG_INPUT_MOUSEDEV is not set
+CONFIG_INPUT_EVDEV=m
+CONFIG_INPUT_EVBUG=m
+# CONFIG_KEYBOARD_ATKBD is not set
+CONFIG_KEYBOARD_GPIO=m
+CONFIG_KEYBOARD_MATRIX=m
+# CONFIG_INPUT_MOUSE is not set
+CONFIG_INPUT_TOUCHSCREEN=y
+CONFIG_INPUT_MISC=y
+CONFIG_INPUT_UINPUT=m
+CONFIG_INPUT_GPIO_ROTARY_ENCODER=m
+# CONFIG_SERIO is not set
+# CONFIG_DEVKMEM is not set
+CONFIG_SERIAL_ATMEL=y
+CONFIG_SERIAL_ATMEL_CONSOLE=y
+CONFIG_SERIAL_MAX3100=m
+# CONFIG_LEGACY_PTYS is not set
+# CONFIG_HW_RANDOM is not set
+CONFIG_R3964=m
+CONFIG_I2C=m
+CONFIG_I2C_CHARDEV=m
+# CONFIG_I2C_HELPER_AUTO is not set
+CONFIG_I2C_GPIO=m
+CONFIG_SPI=y
+CONFIG_SPI_ATMEL=m
+CONFIG_SPI_SPIDEV=m
+CONFIG_GPIO_SYSFS=y
+CONFIG_W1=m
+CONFIG_W1_MASTER_GPIO=m
+CONFIG_W1_SLAVE_DS2431=m
+# CONFIG_HWMON is not set
+CONFIG_WATCHDOG=y
+CONFIG_AT91SAM9X_WATCHDOG=y
+# CONFIG_MFD_SUPPORT is not set
+# CONFIG_HID_SUPPORT is not set
+CONFIG_USB=y
+# CONFIG_USB_DEVICE_CLASS is not set
+CONFIG_USB_OHCI_HCD=y
+CONFIG_USB_STORAGE=m
+CONFIG_USB_LIBUSUAL=y
+CONFIG_USB_SERIAL=m
+CONFIG_USB_SERIAL_GENERIC=y
+CONFIG_USB_SERIAL_FTDI_SIO=m
+CONFIG_USB_SERIAL_PL2303=m
+CONFIG_USB_GADGET=y
+CONFIG_USB_ZERO=m
+CONFIG_USB_ETH=m
+CONFIG_USB_FILE_STORAGE=m
+CONFIG_USB_G_SERIAL=m
+CONFIG_USB_G_HID=m
+CONFIG_MMC=y
+CONFIG_MMC_UNSAFE_RESUME=y
+CONFIG_MMC_ATMELMCI=y
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
+CONFIG_LEDS_GPIO=y
+CONFIG_LEDS_TRIGGERS=y
+CONFIG_LEDS_TRIGGER_TIMER=y
+CONFIG_LEDS_TRIGGER_HEARTBEAT=y
+CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_AT91SAM9=y
+CONFIG_AUXDISPLAY=y
+CONFIG_UIO=y
+CONFIG_UIO_PDRV=y
+CONFIG_STAGING=y
+# CONFIG_STAGING_EXCLUDE_BUILD is not set
+CONFIG_IIO=y
+CONFIG_EXT2_FS=y
+CONFIG_EXT3_FS=y
+# CONFIG_EXT3_FS_XATTR is not set
+CONFIG_VFAT_FS=y
+CONFIG_TMPFS=y
+CONFIG_JFFS2_FS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+CONFIG_NFS_V4=y
+CONFIG_PARTITION_ADVANCED=y
+CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_CODEPAGE_850=y
+CONFIG_NLS_ISO8859_1=y
+CONFIG_NLS_ISO8859_15=y
+CONFIG_NLS_UTF8=y
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+CONFIG_CRYPTO=y
+CONFIG_CRYPTO_ANSI_CPRNG=y
+# CONFIG_CRYPTO_HW is not set
+CONFIG_CRC_CCITT=y
index abed4d1..c015b68 100644 (file)
@@ -375,6 +375,12 @@ config MACH_STAMP9G20
          evaluation board.
          <http://www.taskit.de/en/>
 
+config MACH_PCONTROL_G20
+       bool "PControl G20 CPU module"
+       help
+         Select this if you are using taskit's Stamp9G20 CPU module on this
+         carrier board, beeing the decentralized unit of a building automation
+         system; featuring nvram, eth-switch, iso-rs485, display, io
 endif
 
 if (ARCH_AT91SAM9260 || ARCH_AT91SAM9G20)
index 412b3a4..72b6b1b 100644 (file)
@@ -65,6 +65,7 @@ obj-$(CONFIG_MACH_AT91SAM9G20EK) += board-sam9g20ek.o
 obj-$(CONFIG_MACH_CPU9G20)     += board-cpu9krea.o
 obj-$(CONFIG_MACH_STAMP9G20)   += board-stamp9g20.o
 obj-$(CONFIG_MACH_PORTUXG20)   += board-stamp9g20.o
+obj-$(CONFIG_MACH_PCONTROL_G20)        += board-pcontrol-g20.o
 
 # AT91SAM9260/AT91SAM9G20 board-specific support
 obj-$(CONFIG_MACH_SNAPPER_9260)        += board-snapper9260.o
diff --git a/arch/arm/mach-at91/board-pcontrol-g20.c b/arch/arm/mach-at91/board-pcontrol-g20.c
new file mode 100644 (file)
index 0000000..bba5a56
--- /dev/null
@@ -0,0 +1,322 @@
+/*
+ *  Copyright (C) 2010 Christian Glindkamp <christian.glindkamp@taskit.de>
+ *                     taskit GmbH
+ *
+ * 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
+ */
+/*
+ * copied and adjusted from board-stamp9g20.c
+ * by Peter Gsellmann <pgsellmann@portner-elektronik.at>
+ */
+
+#include <linux/mm.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/w1-gpio.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+#include <mach/board.h>
+#include <mach/at91sam9_smc.h>
+
+#include "sam9_smc.h"
+#include "generic.h"
+
+
+static void __init pcontrol_g20_map_io(void)
+{
+       /* Initialize processor: 18.432 MHz crystal */
+       at91sam9260_initialize(18432000);
+
+       /* DGBU on ttyS0. (Rx, Tx) only TTL -> JTAG connector X7 17,19 ) */
+       at91_register_uart(0, 0, 0);
+
+       /* USART0 on ttyS1. (Rx, Tx, CTS, RTS) piggyback  A2 */
+       at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS
+                                               | ATMEL_UART_RTS);
+
+       /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) isolated RS485  X5 */
+       at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS
+                                               | ATMEL_UART_RTS);
+
+       /* USART2 on ttyS3. (Rx, Tx)  9bit-Bus  Multidrop-mode  X4 */
+       at91_register_uart(AT91SAM9260_ID_US4, 3, 0);
+
+       /* set serial console to ttyS0 (ie, DBGU) */
+       at91_set_serial_console(0);
+}
+
+
+static void __init init_irq(void)
+{
+       at91sam9260_init_interrupts(NULL);
+}
+
+
+/*
+ * NAND flash 512MiB 1,8V 8-bit, sector size 128 KiB
+ */
+static struct atmel_nand_data __initdata nand_data = {
+       .ale            = 21,
+       .cle            = 22,
+       .rdy_pin        = AT91_PIN_PC13,
+       .enable_pin     = AT91_PIN_PC14,
+};
+
+/*
+ * Bus timings; unit = 7.57ns
+ */
+static struct sam9_smc_config __initdata nand_smc_config = {
+       .ncs_read_setup         = 0,
+       .nrd_setup              = 2,
+       .ncs_write_setup        = 0,
+       .nwe_setup              = 2,
+
+       .ncs_read_pulse         = 4,
+       .nrd_pulse              = 4,
+       .ncs_write_pulse        = 4,
+       .nwe_pulse              = 4,
+
+       .read_cycle             = 7,
+       .write_cycle            = 7,
+
+       .mode                   = AT91_SMC_READMODE | AT91_SMC_WRITEMODE
+                       | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
+       .tdf_cycles             = 3,
+};
+
+static struct sam9_smc_config __initdata pcontrol_smc_config[2] = { {
+       .ncs_read_setup         = 16,
+       .nrd_setup              = 18,
+       .ncs_write_setup        = 16,
+       .nwe_setup              = 18,
+
+       .ncs_read_pulse         = 63,
+       .nrd_pulse              = 55,
+       .ncs_write_pulse        = 63,
+       .nwe_pulse              = 55,
+
+       .read_cycle             = 127,
+       .write_cycle            = 127,
+
+       .mode                   = AT91_SMC_READMODE | AT91_SMC_WRITEMODE
+                       | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_SELECT
+                       | AT91_SMC_DBW_8 | AT91_SMC_PS_4
+                       | AT91_SMC_TDFMODE,
+       .tdf_cycles             = 3,
+}, {
+       .ncs_read_setup         = 0,
+       .nrd_setup              = 0,
+       .ncs_write_setup        = 0,
+       .nwe_setup              = 1,
+
+       .ncs_read_pulse         = 8,
+       .nrd_pulse              = 8,
+       .ncs_write_pulse        = 5,
+       .nwe_pulse              = 4,
+
+       .read_cycle             = 8,
+       .write_cycle            = 7,
+
+       .mode                   = AT91_SMC_READMODE | AT91_SMC_WRITEMODE
+                       | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_SELECT
+                       | AT91_SMC_DBW_16 | AT91_SMC_PS_8
+                       | AT91_SMC_TDFMODE,
+       .tdf_cycles             = 1,
+} };
+
+static void __init add_device_nand(void)
+{
+       /* configure chip-select 3 (NAND) */
+       sam9_smc_configure(3, &nand_smc_config);
+       at91_add_device_nand(&nand_data);
+}
+
+
+static void __init add_device_pcontrol(void)
+{
+       /* configure chip-select 4 (IO compatible to 8051  X4 ) */
+       sam9_smc_configure(4, &pcontrol_smc_config[0]);
+       /* configure chip-select 7 (FerroRAM 256KiBx16bit MR2A16A  D4 ) */
+       sam9_smc_configure(7, &pcontrol_smc_config[1]);
+}
+
+
+/*
+ * MCI (SD/MMC)
+ * det_pin, wp_pin and vcc_pin are not connected
+ */
+#if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
+static struct mci_platform_data __initdata mmc_data = {
+       .slot[0] = {
+               .bus_width      = 4,
+       },
+};
+#else
+static struct at91_mmc_data __initdata mmc_data = {
+       .wire4          = 1,
+};
+#endif
+
+
+/*
+ * USB Host port
+ */
+static struct at91_usbh_data __initdata usbh_data = {
+       .ports          = 2,
+};
+
+
+/*
+ * USB Device port
+ */
+static struct at91_udc_data __initdata pcontrol_g20_udc_data = {
+       .vbus_pin       = AT91_PIN_PA22,        /* Detect +5V bus voltage */
+       .pullup_pin     = AT91_PIN_PA4,         /* K-state, active low */
+};
+
+
+/*
+ * MACB Ethernet device
+ */
+static struct at91_eth_data __initdata macb_data = {
+       .phy_irq_pin    = AT91_PIN_PA28,
+       .is_rmii        = 1,
+};
+
+
+/*
+ * I2C devices: eeprom and phy/switch
+ */
+static struct i2c_board_info __initdata pcontrol_g20_i2c_devices[] = {
+{              /* D7  address width=2, 8KiB */
+       I2C_BOARD_INFO("24c64", 0x50)
+}, {           /* D8  address width=1, 1 byte has 32 bits! */
+       I2C_BOARD_INFO("lan9303", 0x0a)
+}, };
+
+
+/*
+ * LEDs
+ */
+static struct gpio_led pcontrol_g20_leds[] = {
+       {
+               .name                   = "LED1",       /* red  H5 */
+               .gpio                   = AT91_PIN_PB18,
+               .active_low             = 1,
+               .default_trigger        = "none",       /* supervisor */
+       }, {
+               .name                   = "LED2",       /* yellow  H7 */
+               .gpio                   = AT91_PIN_PB19,
+               .active_low             = 1,
+               .default_trigger        = "mmc0",       /* SD-card activity */
+       }, {
+               .name                   = "LED3",       /* green  H2 */
+               .gpio                   = AT91_PIN_PB20,
+               .active_low             = 1,
+               .default_trigger        = "heartbeat",  /* blinky */
+       }, {
+               .name                   = "LED4",       /* red  H3 */
+               .gpio                   = AT91_PIN_PC6,
+               .active_low             = 1,
+               .default_trigger        = "none",       /* connection lost */
+       }, {
+               .name                   = "LED5",       /* yellow  H6 */
+               .gpio                   = AT91_PIN_PC7,
+               .active_low             = 1,
+               .default_trigger        = "none",       /* unsent data */
+       }, {
+               .name                   = "LED6",       /* green  H1 */
+               .gpio                   = AT91_PIN_PC9,
+               .active_low             = 1,
+               .default_trigger        = "none",       /* snafu */
+       }
+};
+
+
+/*
+ * SPI devices
+ */
+static struct spi_board_info pcontrol_g20_spi_devices[] = {
+       {
+               .modalias       = "spidev",     /* HMI port  X4 */
+               .chip_select    = 1,
+               .max_speed_hz   = 50 * 1000 * 1000,
+               .bus_num        = 0,
+       }, {
+               .modalias       = "spidev",     /* piggyback  A2 */
+               .chip_select    = 0,
+               .max_speed_hz   = 50 * 1000 * 1000,
+               .bus_num        = 1,
+       },
+};
+
+
+/*
+ * Dallas 1-Wire  DS2431
+ */
+static struct w1_gpio_platform_data w1_gpio_pdata = {
+       .pin            = AT91_PIN_PA29,
+       .is_open_drain  = 1,
+};
+
+static struct platform_device w1_device = {
+       .name                   = "w1-gpio",
+       .id                     = -1,
+       .dev.platform_data      = &w1_gpio_pdata,
+};
+
+static void add_wire1(void)
+{
+       at91_set_GPIO_periph(w1_gpio_pdata.pin, 1);
+       at91_set_multi_drive(w1_gpio_pdata.pin, 1);
+       platform_device_register(&w1_device);
+}
+
+
+static void __init pcontrol_g20_board_init(void)
+{
+       at91_add_device_serial();
+       add_device_nand();
+#if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
+       at91_add_device_mci(0, &mmc_data);
+#else
+       at91_add_device_mmc(0, &mmc_data);
+#endif
+       at91_add_device_usbh(&usbh_data);
+       at91_add_device_eth(&macb_data);
+       at91_add_device_i2c(pcontrol_g20_i2c_devices,
+               ARRAY_SIZE(pcontrol_g20_i2c_devices));
+       add_wire1();
+       add_device_pcontrol();
+       at91_add_device_spi(pcontrol_g20_spi_devices,
+               ARRAY_SIZE(pcontrol_g20_spi_devices));
+       at91_add_device_udc(&pcontrol_g20_udc_data);
+       at91_gpio_leds(pcontrol_g20_leds,
+               ARRAY_SIZE(pcontrol_g20_leds));
+       /* piggyback  A2 */
+       at91_set_gpio_output(AT91_PIN_PB31, 1);
+}
+
+
+MACHINE_START(PCONTROL_G20, "PControl G20")
+       /* Maintainer: pgsellmann@portner-elektronik.at */
+       .boot_params    = AT91_SDRAM_BASE + 0x100,
+       .timer          = &at91sam926x_timer,
+       .map_io         = pcontrol_g20_map_io,
+       .init_irq       = init_irq,
+       .init_machine   = pcontrol_g20_board_init,
+MACHINE_END