[PATCH v3] ARM: AT91: add board support for Pcontrol_G20
Peter Gsellmann
pgsellmann at portner-elektronik.at
Mon Oct 11 06:22:48 EDT 2010
Board is a carrier board for Stamp9G20, with additional peripherals
for a building automation system
V3: now with makedefconfig, no complaints from scripts/checkpatch.pl
Signed-off-by: Peter Gsellmann <pgsellmann at portner-elektronik.at>
---
arch/arm/configs/pcontrol_g20_defconfig | 175 +++++++++++++++++
arch/arm/mach-at91/Kconfig | 6 +
arch/arm/mach-at91/Makefile | 1 +
arch/arm/mach-at91/board-pcontrol-g20.c | 324
+++++++++++++++++++++++++++++++
4 files changed, 506 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/configs/pcontrol_g20_defconfig
create mode 100644 arch/arm/mach-at91/board-pcontrol-g20.c
diff --git a/arch/arm/configs/pcontrol_g20_defconfig
b/arch/arm/configs/pcontrol_g20_defconfig
new file mode 100644
index 0000000..b42ee62
--- /dev/null
+++ b/arch/arm/configs/pcontrol_g20_defconfig
@@ -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
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 939bccd..e66405e 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -364,6 +364,12 @@ 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)
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index ca2ac00..7fabc1b 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -65,6 +65,7 @@ obj-$(CONFIG_MACH_AT91SAM9G20EK_2MMC) +=
board-sam9g20ek-2slot-mmc.o
obj-$(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
index 0000000..7652d9c
--- /dev/null
+++ b/arch/arm/mach-at91/board-pcontrol-g20.c
@@ -0,0 +1,324 @@
+/*
+ * Copyright (C) 2010 Christian Glindkamp
<christian.glindkamp at 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 at 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 at portner-elektronik.at */
+ .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 = pcontrol_g20_map_io,
+ .init_irq = init_irq,
+ .init_machine = pcontrol_g20_board_init,
+MACHINE_END
--
1.7.2.3
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