[PATCH] add support for the haba-knx-lite controller
Jean-Christophe PLAGNIOL-VILLARD
plagnioj at jcrosoft.com
Sat Jan 17 13:51:42 PST 2015
> On Jan 15, 2015, at 7:08 PM, Gregory Hermant <gregory.hermant at calao-systems.com> wrote:
>
>
> Signed-off-by: Gregory Hermant <gregory.hermant at calao-systems.com>
> ---
> arch/arm/boards/Makefile | 1 +
> arch/arm/boards/haba-knx/Makefile | 1 +
> arch/arm/boards/haba-knx/env/bin/init_board | 49 ++++
> arch/arm/boards/haba-knx/env/config | 40 +++
> arch/arm/boards/haba-knx/init.c | 348 +++++++++++++++++++++++++++
> arch/arm/configs/haba_knx_lite_defconfig | 89 +++++++
> arch/arm/mach-at91/Kconfig | 5 +
> 7 files changed, 533 insertions(+)
> create mode 100644 arch/arm/boards/haba-knx/Makefile
> create mode 100644 arch/arm/boards/haba-knx/env/bin/init_board
> create mode 100644 arch/arm/boards/haba-knx/env/config
> create mode 100644 arch/arm/boards/haba-knx/init.c
> create mode 100644 arch/arm/configs/haba_knx_lite_defconfig
>
> diff --git a/arch/arm/boards/Makefile b/arch/arm/boards/Makefile
> index 9961ca8..bf04f38 100644
> --- a/arch/arm/boards/Makefile
> +++ b/arch/arm/boards/Makefile
> @@ -50,6 +50,7 @@ obj-$(CONFIG_MACH_GUF_CUPID) += guf-cupid/
> obj-$(CONFIG_MACH_GUF_SANTARO) += guf-santaro/
> obj-$(CONFIG_MACH_GUF_VINCELL) += guf-vincell/
> obj-$(CONFIG_MACH_GW_VENTANA) += gateworks-ventana/
> +obj-$(CONFIG_MACH_HABA_KNX_LITE) += haba-knx/
> obj-$(CONFIG_MACH_HIGHBANK) += highbank/
> obj-$(CONFIG_MACH_IMX21ADS) += freescale-mx21-ads/
> obj-$(CONFIG_MACH_IMX233_OLINUXINO) += imx233-olinuxino/
> diff --git a/arch/arm/boards/haba-knx/Makefile b/arch/arm/boards/haba-knx/Makefile
> new file mode 100644
> index 0000000..eb072c0
> --- /dev/null
> +++ b/arch/arm/boards/haba-knx/Makefile
> @@ -0,0 +1 @@
> +obj-y += init.o
> diff --git a/arch/arm/boards/haba-knx/env/bin/init_board b/arch/arm/boards/haba-knx/env/bin/init_board
> new file mode 100644
> index 0000000..0a6baf7
> --- /dev/null
> +++ b/arch/arm/boards/haba-knx/env/bin/init_board
> @@ -0,0 +1,49 @@
> +#!/bin/sh
> +
> +button_name="dfu_bp"
> +button_wait=5
> +
> +product_id=0x1234
> +vendor_id=0x4321
> +
> +dfu_config="/dev/nand0.barebox.bb(barebox)sr,/dev/nand0.kernel.bb(kernel)r,/dev/nand0.rootfs.bb(rootfs)r"
> +
> +if [ $at91_udc0.vbus != 1 ]
> +then
> + echo "No USB Device cable plugged, normal boot"
> + exit
> +fi
> +
> +gpio_get_value ${dfu_button}
> +if [ $? != 0 ]
> +then
> + autoboot_timeout=16
> + echo "enable tty over USB Device, increase the boot delay to ${autoboot_timeout}s"
> + usbserial
> + exit
> +fi
> +
> +echo "${button_name} pressed detected wait ${button_wait}s"
> +timeout -s -a ${button_wait}
> +
> +if [ $at91_udc0.vbus != 1 ]
> +then
> + echo "No USB Device cable plugged, normal boot"
> + exit
> +fi
> +
> +gpio_get_value ${dfu_button}
> +if [ $? != 0 ]
> +then
> + echo "${button_name} released, normal boot"
> + autoboot_timeout=16
> + echo "enable tty over USB Device, increase the boot delay to ${autoboot_timeout}s"
> + usbserial
> + exit
> +fi
> +
> +echo ""
> +echo "Start DFU Mode"
> +echo ""
> +
> +dfu ${dfu_config} -P ${product_id} -V ${vendor_id}
> diff --git a/arch/arm/boards/haba-knx/env/config b/arch/arm/boards/haba-knx/env/config
> new file mode 100644
> index 0000000..d1dca10
> --- /dev/null
> +++ b/arch/arm/boards/haba-knx/env/config
> @@ -0,0 +1,40 @@
> +#!/bin/sh
> +
> +# use 'dhcp' to do dhcp in barebox and in kernel
> +# use 'none' if you want to skip kernel ip autoconfiguration
> +ip=none
> +#ip=dhcp-barebox
> +[ x$armlinux_architecture = x4310 ] && dhcp_vendor_id=barebox-haba-knx-lite
> +
> +# or set your networking parameters here
> +#eth0.ipaddr=a.b.c.d
> +#eth0.netmask=a.b.c.d
> +#eth0.gateway=a.b.c.d
> +#eth0.serverip=a.b.c.d
> +
> +# can be either 'nfs', 'tftp', 'nor' or 'nand'
> +kernel_loc=nand
> +# can be either 'net', 'nor', 'nand' or 'initrd'
> +rootfs_loc=nand
> +# can be either 'nfs', 'tftp', 'nor', 'nand' or empty
> +oftree_loc=nand
> +
> +# can be either 'jffs2' or 'ubifs'
> +rootfs_type=ubifs
> +rootfsimage=root.$rootfs_type
> +
> +kernelimage=zImage
> +#kernelimage=uImage
> +#kernelimage=Image
> +#kernelimage=Image.lzo
> +
> +nand_device=atmel_nand
> +nand_parts="128k(at91bootstrap),256k(barebox)ro,128k(bareboxenv),128k(bareboxenv2),128k(oftree),4M(kernel),120M(rootfs),-(data)"
> +rootfs_mtdblock_nand=6
> +
> +autoboot_timeout=3
> +
> +bootargs="console=ttyS0,115200"
> +
> +# set a fancy prompt (if support is compiled in)
> +PS1="\e[1;32mbarebox@\e[1;31m\h:\w\e[0m\n# "
> diff --git a/arch/arm/boards/haba-knx/init.c b/arch/arm/boards/haba-knx/init.c
> new file mode 100644
> index 0000000..f9d8f0f
> --- /dev/null
> +++ b/arch/arm/boards/haba-knx/init.c
> @@ -0,0 +1,348 @@
> +/*
> + * Copyright (C) 2011-2012 Jean-Christophe PLAGNIOL-VILLARD
> + * Copyright (C) 2014 Gregory Hermant <gregory.hermant at calao-systems.com>
> + *
> + * 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.
> + *
> + *
> + */
> +
> +#include <common.h>
> +#include <net.h>
> +#include <init.h>
> +#include <environment.h>
> +#include <asm/armlinux.h>
> +#include <generated/mach-types.h>
> +#include <partition.h>
> +#include <fs.h>
> +#include <fcntl.h>
> +#include <io.h>
> +#include <mach/hardware.h>
> +#include <nand.h>
> +#include <linux/sizes.h>
> +#include <linux/mtd/nand.h>
> +#include <linux/clk.h>
> +#include <mach/board.h>
> +#include <mach/at91sam9_smc.h>
> +#include <gpio.h>
> +#include <led.h>
> +#include <mach/io.h>
> +#include <mach/iomux.h>
> +#include <mach/at91_pmc.h>
> +#include <mach/at91_rstc.h>
> +#include <spi/spi.h>
> +#include <i2c/i2c.h>
> +#include <libfile.h>
> +
> +#if defined(CONFIG_NAND_ATMEL)
> +static struct atmel_nand_data nand_pdata = {
> + .ale = 21,
> + .cle = 22,
> + .det_pin = -EINVAL,
> + .rdy_pin = AT91_PIN_PC13,
> + .enable_pin = AT91_PIN_PC14,
> + .ecc_mode = NAND_ECC_SOFT,
> + .on_flash_bbt = 1,
> +};
> +
> +static struct sam9_smc_config haba_knx_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 void haba_knx_add_device_nand(void)
> +{
> + /* configure chip-select 3 (NAND) */
> + sam9_smc_configure(0, 3, &haba_knx_nand_smc_config);
> + at91_add_device_nand(&nand_pdata);
> +}
> +#else
> +static void haba_knx_add_device_nand(void) {}
> +#endif
> +
> +#if defined(CONFIG_DRIVER_NET_MACB)
> +static struct macb_platform_data macb_pdata = {
> + .phy_interface = PHY_INTERFACE_MODE_RMII,
> + .phy_addr = -1,
> +};
> +
> +static void haba_knx_phy_reset(void)
> +{
> + unsigned long rstc;
> + struct clk *clk = clk_get(NULL, "macb_clk");
> +
> + clk_enable(clk);
> +
> + at91_set_gpio_input(AT91_PIN_PA14, 0);
> + at91_set_gpio_input(AT91_PIN_PA15, 0);
> + at91_set_gpio_input(AT91_PIN_PA17, 0);
> + at91_set_gpio_input(AT91_PIN_PA18, 0);
> +
> + rstc = at91_sys_read(AT91_RSTC_MR) & AT91_RSTC_ERSTL;
> +
> + /* Need to reset PHY -> 500ms reset */
> + at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY |
> + (AT91_RSTC_ERSTL & (0x0d << 8)) |
> + AT91_RSTC_URSTEN);
> +
> + at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_EXTRST);
> +
> + /* Wait for end hardware reset */
> + while (!(at91_sys_read(AT91_RSTC_SR) & AT91_RSTC_NRSTL))
> + ;
> +
> + /* Restore NRST value */
> + at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY |
> + (rstc) |
> + AT91_RSTC_URSTEN);
> +}
> +
> +#define MACB_SA1B 0x0098
> +#define MACB_SA1T 0x009c
> +
> +static int haba_ip_get_macb_ethaddr(u8 *addr)
> +{[
> + u32 top, bottom;
> + void __iomem *base = IOMEM(AT91SAM9260_BASE_EMAC);
> +
> + bottom = readl(base + MACB_SA1B);
> + top = readl(base + MACB_SA1T);
> + addr[0] = bottom & 0xff;
> + addr[1] = (bottom >> 8) & 0xff;
> + addr[2] = (bottom >> 16) & 0xff;
> + addr[3] = (bottom >> 24) & 0xff;
> + addr[4] = top & 0xff;
> + addr[5] = (top >> 8) & 0xff;
> +
> + /* valid and not private */
> + if (is_valid_ether_addr(addr) && !(addr[0] & 0x02))
> + return 0;
> +
> + return -EINVAL;
> +}
> +
> +#define EEPROM_OFFSET 250
> +#define EEPROM_SIZE 256
> +
> +static int haba_set_ethaddr(void)
> +{
> + char addr[6];
> + char eep_data[256];
> + int i, fd, ret;
> +
> + fd = open("/dev/eeprom0", O_RDONLY);
> + if (fd < 0) {
> + ret = fd;
> + goto err;
> + }
> +
> + ret = read_full(fd, eep_data, EEPROM_SIZE);
> + if (ret < 0)
> + goto err_open;
> +
> + for (i = 0; i < 6; i++)
> + addr[i] = eep_data[EEPROM_OFFSET+i];
> +
> + eth_register_ethaddr(0, addr);
> +
> + ret = 0;
> +
> +err_open:
> + close(fd);
> +err:
> + if (ret)
> + pr_err("can't read eeprom /dev/eeprom0 (%s)\n", strerror(ret));
> +
> + return ret;
> +}
Generic should no be in board file
> +
> +static void haba_knx_add_device_eth(void)
> +{
> + u8 enetaddr[6];
> +
> + if (!haba_ip_get_macb_ethaddr(enetaddr))
Do you really need to check I do remember when I work on this patch that I
put it in case you re-run barebox for ram
and do not want to overwrite the mac
But as it’s macb related the code to retrieve the mac should be move to a inline
in the macb header (as this code is used by the driver too)
> + eth_register_ethaddr(0, enetaddr);
no need this register it will be handle by the macb driver
> + else
> + haba_set_ethaddr();
> +
> + haba_knx_phy_reset();
> + at91_add_device_eth(0, &macb_pdata);
> +}
> +#else
> +static void haba_knx_add_device_eth(void) {}
> +#endif
> +
> +/*
> + * USB Device port
> + */
> +static struct at91_udc_data __initdata ek_udc_data = {
> + .vbus_pin = AT91_PIN_PB2,
> + .pullup_pin = 0, /* pull-up driven by UDC */
> +};
> +
> +static struct i2c_board_info i2c_devices[] = {
> + {
> + I2C_BOARD_INFO("24c02", 0x50)
> + }
> +};
> +
> +static const struct spi_board_info ek_spi_devices[] = {
> + {
> + .name = "m25p16",
> + .max_speed_hz = 30 * 1000 * 1000,
> + .bus_num = 0,
> + .chip_select = 0,
> + },
> + {
> + .name = "spi_mci",
> + .max_speed_hz = 25 * 1000 * 1000,
> + .bus_num = 0,
> + .chip_select = 1,
> + }
> +};
> +
> +static unsigned spi0_standard_cs[] = { AT91_PIN_PA3, AT91_PIN_PA27 };
> +static struct at91_spi_platform_data spi_pdata = {
> + .chipselect = spi0_standard_cs,
> + .num_chipselect = ARRAY_SIZE(spi0_standard_cs),
> +};
I’ll drop this soon, and instead pass the cs gpio via board_info as done on linux
> +
> +static void haba_knx_add_device_spi(void)
> +{
> + if (machine_is_haba_knx_lite()) {
> + spi_register_board_info(ek_spi_devices,
> + ARRAY_SIZE(ek_spi_devices));
> + at91_add_device_spi(0, &spi_pdata);
> + }
> +}
> +
> +static struct at91_usbh_data haba_knx_usbh_data = {
> + .ports = 2,
> + .vbus_pin = { -EINVAL, -EINVAL },
> +};
> +
> +static void haba_knx_add_device_usb(void)
> +{
> + at91_add_device_usbh_ohci(&haba_knx_usbh_data);
> +}
> +
> +struct gpio_led led = {
> + .gpio = AT91_PIN_PA28,
> + .led = {
> + .name = "user_led",
> + },
> +};
> +
> +static void __init ek_add_led(void)
> +{
> + if (!machine_is_haba_knx_lite())
> + return;
you only add the lite version in this patch
> + at91_set_gpio_output(led.gpio, led.active_low);
> + led_gpio_register(&led);
> +}
> +
> +static int haba_knx_mem_init(void)
> +{
> + at91_add_device_sdram(0);
> + return 0;
> +}
> +mem_initcall(haba_knx_mem_init);
> +
> +static void __init ek_add_device_button(void)
> +{
> + at91_set_GPIO_periph(AT91_PIN_PC3, 1); /* user btn, pull up enabled */
> + at91_set_deglitch(AT91_PIN_PC3, 1);
> + export_env_ull("dfu_button", AT91_PIN_PC3);
> +}
> +
> +static const struct devfs_partition haba_knx_nand0_partitions[] = {
> + {
> + .offset = 0x00000,
> + .size = SZ_128K,
> + .flags = DEVFS_PARTITION_FIXED,
> + .name = "at91bootstrap_raw",
> + .bbname = "at91bootstrap",
> + }, {
> + .offset = DEVFS_PARTITION_APPEND,
> + .size = SZ_256K,
> + .flags = DEVFS_PARTITION_FIXED,
> + .name = "self_raw",
> + .bbname = "self0",
> + }, {
> + .offset = DEVFS_PARTITION_APPEND,
> + .size = SZ_128K,
> + .flags = DEVFS_PARTITION_FIXED,
> + .name = "env_raw",
> + .bbname = "env0",
> + }, {
> + .offset = DEVFS_PARTITION_APPEND,
> + .size = SZ_128K,
> + .flags = DEVFS_PARTITION_FIXED,
> + .name = "env_raw1",
> + .bbname = "env1",
> + }, {
> + /* sentinel */
> + }
> +};
> +
> +static int haba_knx_devices_init(void)
> +{
> + at91_add_device_i2c(0, i2c_devices, ARRAY_SIZE(i2c_devices));
> + haba_knx_add_device_nand();
> + haba_knx_add_device_eth();
> + haba_knx_add_device_spi();
> + haba_knx_add_device_usb();
> + at91_add_device_udc(&ek_udc_data);
> + ek_add_led();
> + ek_add_device_button();
> +
> + armlinux_set_bootparams((void *)(AT91_CHIPSELECT_1 + 0x100));
> + armlinux_set_architecture(MACH_TYPE_HABA_KNX_LITE);
> +
> + devfs_create_partitions("nand0", haba_knx_nand0_partitions);
> +
> + return 0;
> +}
> +device_initcall(haba_knx_devices_init);
> +
> +static int haba_knx_console_init(void)
> +{
> + barebox_set_model("CALAO HABA-KNX-LITE");
> + barebox_set_hostname("haba-knx-lite");
> +
> + at91_register_uart(0, 0);
> + at91_set_A_periph(AT91_PIN_PB14, 1); /* Enable pull-up on DRXD */
> +
> + at91_set_gpio_input(AT91_PIN_PB0, 1); /* Enable pull-up on usd CD */
> + return 0;
> +}
> +console_initcall(haba_knx_console_init);
> +
> +static int haba_knx_main_clock(void)
> +{
> + at91_set_main_clock(12000000);
> + return 0;
> +}
> +pure_initcall(haba_knx_main_clock);
> diff --git a/arch/arm/configs/haba_knx_lite_defconfig b/arch/arm/configs/haba_knx_lite_defconfig
> new file mode 100644
> index 0000000..62d66bc
> --- /dev/null
> +++ b/arch/arm/configs/haba_knx_lite_defconfig
> @@ -0,0 +1,89 @@
> +CONFIG_ARCH_AT91SAM9G20=y
> +CONFIG_MACH_HABA_KNX_LITE=y
> +CONFIG_BAREBOX_MAX_IMAGE_SIZE=0x40000
> +CONFIG_AEABI=y
> +CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS=y
> +CONFIG_PBL_IMAGE=y
> +CONFIG_MMU=y
> +CONFIG_TEXT_BASE=0x27f00000
> +CONFIG_EXPERIMENTAL=y
> +CONFIG_MALLOC_TLSF=y
> +CONFIG_PROMPT="HABA-KNX-LITE:"
> +CONFIG_GLOB=y
> +CONFIG_PROMPT_HUSH_PS2="y"
> +CONFIG_HUSH_FANCY_PROMPT=y
> +CONFIG_CMDLINE_EDITING=y
> +CONFIG_AUTO_COMPLETE=y
> +CONFIG_MENU=y
> +CONFIG_CONSOLE_ACTIVATE_ALL=y
> +CONFIG_DEFAULT_ENVIRONMENT_GENERIC=y
> +CONFIG_DEFAULT_ENVIRONMENT_PATH="arch/arm/boards/haba-knx/env”
please use defaultenv2 now
> +# CONFIG_CMD_ARM_CPUINFO is not set
> +CONFIG_LONGHELP=y
> +CONFIG_CMD_MEMINFO=y
> +CONFIG_CMD_BOOTM_SHOW_TYPE=y
> +CONFIG_CMD_BOOTM_VERBOSE=y
> +CONFIG_CMD_BOOTM_INITRD=y
> +CONFIG_CMD_BOOTM_OFTREE=y
> +CONFIG_CMD_BOOTM_OFTREE_UIMAGE=y
> +# CONFIG_CMD_BOOTU is not set
> +CONFIG_CMD_GO=y
> +CONFIG_CMD_LOADB=y
> +CONFIG_CMD_RESET=y
> +CONFIG_CMD_UIMAGE=y
> +CONFIG_CMD_PARTITION=y
> +CONFIG_CMD_EXPORT=y
> +CONFIG_CMD_PRINTENV=y
> +CONFIG_CMD_SAVEENV=y
> +CONFIG_CMD_MD5SUM=y
> +CONFIG_CMD_SHA1SUM=y
> +CONFIG_CMD_SLEEP=y
> +CONFIG_CMD_TFTP=y
> +CONFIG_CMD_ECHO_E=y
> +CONFIG_CMD_EDIT=y
> +CONFIG_CMD_MENU=y
> +CONFIG_CMD_MENU_MANAGEMENT=y
> +CONFIG_CMD_READLINE=y
> +CONFIG_CMD_TIMEOUT=y
> +CONFIG_CMD_FLASH=y
> +CONFIG_CMD_GPIO=y
> +CONFIG_CMD_I2C=y
> +CONFIG_CMD_LED=y
> +CONFIG_CMD_SPI=y
> +CONFIG_CMD_LED_TRIGGER=y
> +CONFIG_CMD_BAREBOX_UPDATE=y
> +CONFIG_CMD_OFTREE=y
> +CONFIG_NET=y
> +CONFIG_NET_NFS=y
> +CONFIG_NET_NETCONSOLE=y
> +CONFIG_DRIVER_NET_MACB=y
> +CONFIG_DRIVER_SPI_ATMEL=y
> +CONFIG_I2C=y
> +CONFIG_I2C_GPIO=y
> +CONFIG_MTD=y
> +# CONFIG_MTD_OOB_DEVICE is not set
> +CONFIG_MTD_M25P80=y
> +CONFIG_NAND=y
> +# CONFIG_NAND_ECC_HW is not set
> +# CONFIG_NAND_ECC_HW_SYNDROME is not set
> +# CONFIG_NAND_ECC_HW_NONE is not set
> +CONFIG_NAND_ATMEL=y
> +CONFIG_MTD_UBI=y
> +CONFIG_USB_GADGET=y
> +CONFIG_USB_GADGET_SERIAL=y
> +CONFIG_MCI=y
> +# CONFIG_MCI_INFO is not set
> +# CONFIG_MCI_WRITE is not set
> +CONFIG_MCI_SPI=y
> +CONFIG_MMC_SPI_CRC_ON=y
> +CONFIG_LED=y
> +CONFIG_LED_GPIO=y
> +CONFIG_LED_TRIGGERS=y
> +CONFIG_EEPROM_AT24=y
> +CONFIG_FS_TFTP=y
> +CONFIG_FS_FAT=y
> +CONFIG_FS_FAT_WRITE=y
> +CONFIG_FS_FAT_LFN=y
> +CONFIG_FS_UBIFS=y
> +CONFIG_ZLIB=y
> +CONFIG_LZO_DECOMPRESS=y
> diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
> index 9ee4f30..b85e6fa 100644
> --- a/arch/arm/mach-at91/Kconfig
> +++ b/arch/arm/mach-at91/Kconfig
> @@ -352,6 +352,11 @@ config MACH_QIL_A9G20
> Select this if you are using a Calao Systems QIL-A9G20 Board.
> <http://www.calao-systems.com>
>
> +config MACH_HABA_KNX_LITE
> + bool "CALAO HABA-KNX-LITE"
> + help
> + Select this if you are using a Calao Systems HABA-KNX-LITE.
> + <http://www.calao-systems.com>
> endchoice
>
> endif
> --
> 1.7.9.5
>
>
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