From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by canuck.infradead.org with esmtps (Exim 4.72 #1 (Red Hat Linux)) id 1P3rxJ-0003n9-Tb for barebox@lists.infradead.org; Thu, 07 Oct 2010 15:01:13 +0000 From: Juergen Beisert Date: Thu, 7 Oct 2010 16:59:57 +0200 Message-Id: <1286463597-16948-5-git-send-email-jbe@pengutronix.de> In-Reply-To: <1286463597-16948-1-git-send-email-jbe@pengutronix.de> References: <1286463597-16948-1-git-send-email-jbe@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 4/4] Add the i.MX23 based Chumby platform (WIP) To: barebox@lists.infradead.org The so called "chumby one" aka falconwing is an i.MX23 based platform. Note: This is work in progress. Use with care. Signed-off-by: Juergen Beisert --- arch/arm/Makefile | 1 + arch/arm/boards/chumby_falconwing/Makefile | 1 + arch/arm/boards/chumby_falconwing/config.h | 21 ++ arch/arm/boards/chumby_falconwing/falconwing.c | 271 ++++++++++++++++++++++++ arch/arm/configs/chumbyone_defconfig | 224 +++++++++++++++++++ arch/arm/mach-stm/Kconfig | 9 + 6 files changed, 527 insertions(+), 0 deletions(-) create mode 100644 arch/arm/boards/chumby_falconwing/Makefile create mode 100644 arch/arm/boards/chumby_falconwing/config.h create mode 100644 arch/arm/boards/chumby_falconwing/falconwing.c create mode 100644 arch/arm/configs/chumbyone_defconfig diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 75fa6d3..b25f366 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -82,6 +82,7 @@ board-$(CONFIG_MACH_PM9263) := pm9263 board-$(CONFIG_MACH_SCB9328) := scb9328 board-$(CONFIG_MACH_NESO) := guf-neso board-$(CONFIG_MACH_MX23EVK) := freescale-mx23-evk +board-$(CONFIG_MACH_CHUMBY) := chumby_falconwing machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y)) diff --git a/arch/arm/boards/chumby_falconwing/Makefile b/arch/arm/boards/chumby_falconwing/Makefile new file mode 100644 index 0000000..0bc79d9 --- /dev/null +++ b/arch/arm/boards/chumby_falconwing/Makefile @@ -0,0 +1 @@ +obj-y = falconwing.o diff --git a/arch/arm/boards/chumby_falconwing/config.h b/arch/arm/boards/chumby_falconwing/config.h new file mode 100644 index 0000000..87d9e2f --- /dev/null +++ b/arch/arm/boards/chumby_falconwing/config.h @@ -0,0 +1,21 @@ +/* + * 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 + */ + +#ifndef _CONFIG_H_ +# define _CONFIG_H_ + +#endif /* _CONFIG_H_ */ diff --git a/arch/arm/boards/chumby_falconwing/falconwing.c b/arch/arm/boards/chumby_falconwing/falconwing.c new file mode 100644 index 0000000..b28d0ba --- /dev/null +++ b/arch/arm/boards/chumby_falconwing/falconwing.c @@ -0,0 +1,271 @@ +/* + * (C) Copyright 2010 Juergen Beisert - Pengutronix + * + * 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 +#include +#include +#include +#include +#include +#include +#include + +static struct memory_platform_data ram_pdata = { + .name = "ram0", + .flags = DEVFS_RDWR, +}; + +static struct device_d sdram_dev = { + .name = "mem", + .map_base = IMX_MEMORY_BASE, + .size = 64 * 1024 * 1024, + .platform_data = &ram_pdata, +}; + +static void falconwing_mmu_init(void) +{ +#ifdef CONFIG_MMU + mmu_init(); + arm_create_section(IMX_MEMORY_BASE, IMX_MEMORY_BASE, 64, PMD_SECT_DEF_CACHED); + arm_create_section(IMX_MEMORY_BASE + 128 * 1024 * 1024, IMX_MEMORY_BASE, 64, PMD_SECT_DEF_UNCACHED); + setup_dma_coherent(0x10000000); + arm_create_section(0x0, TEXT_BASE, 1, PMD_SECT_DEF_UNCACHED); + mmu_enable(); +#endif +} + +extern void imx_dump_clocks(void); + +static const uint32_t pad_setup[] = { + /* may be not required as already done by the bootlet code */ +#if 0 + /* SDRAM data signals */ + EMI_D15 | STRENGTH(0) | VE_2_5V, + EMI_D14 | STRENGTH(0) | VE_2_5V, + EMI_D13 | STRENGTH(0) | VE_2_5V, + EMI_D12 | STRENGTH(0) | VE_2_5V, + EMI_D11 | STRENGTH(0) | VE_2_5V, + EMI_D10 | STRENGTH(0) | VE_2_5V, + EMI_D9 | STRENGTH(0) | VE_2_5V, + EMI_D8 | STRENGTH(0) | VE_2_5V, + EMI_D7 | STRENGTH(0) | VE_2_5V, + EMI_D6 | STRENGTH(0) | VE_2_5V, + EMI_D5 | STRENGTH(0) | VE_2_5V, + EMI_D4 | STRENGTH(0) | VE_2_5V, + EMI_D3 | STRENGTH(0) | VE_2_5V, + EMI_D2 | STRENGTH(0) | VE_2_5V, + EMI_D1 | STRENGTH(0) | VE_2_5V, + EMI_D0 | STRENGTH(0) | VE_2_5V, + + /* SDRAM data control signals */ + EMI_DQM0 | STRENGTH(0) | VE_2_5V, /* LDM */ + EMI_DQM1 | STRENGTH(0) | VE_2_5V, /* UDM */ + + /* SDRAM address signals */ + EMI_A0 | STRENGTH(0) | VE_2_5V, + EMI_A1 | STRENGTH(0) | VE_2_5V, + EMI_A2 | STRENGTH(0) | VE_2_5V, + EMI_A3 | STRENGTH(0) | VE_2_5V, + EMI_A4 | STRENGTH(0) | VE_2_5V, + EMI_A5 | STRENGTH(0) | VE_2_5V, + EMI_A6 | STRENGTH(0) | VE_2_5V, + EMI_A7 | STRENGTH(0) | VE_2_5V, + EMI_A8 | STRENGTH(0) | VE_2_5V, + EMI_A9 | STRENGTH(0) | VE_2_5V, + EMI_A10 | STRENGTH(0) | VE_2_5V, + EMI_A11 | STRENGTH(0) | VE_2_5V, + EMI_A12 | STRENGTH(0) | VE_2_5V, + + /* SDRAM address control signals */ + EMI_RASN | STRENGTH(0) | VE_2_5V, + EMI_CASN | STRENGTH(0) | VE_2_5V, + + /* SDRAM control signals */ + EMI_CE0N | STRENGTH(0) | VE_2_5V, + EMI_CLK | STRENGTH(0) | VE_2_5V, + EMI_CLKN | STRENGTH(0) | VE_2_5V, + EMI_CKE | STRENGTH(0) | VE_2_5V, + EMI_WEN | STRENGTH(0) | VE_2_5V, + EMI_BA0 | STRENGTH(0) | VE_2_5V, + EMI_BA1 | STRENGTH(0) | VE_2_5V, + EMI_DQS0 | STRENGTH(0) | VE_2_5V, + EMI_DQS1 | STRENGTH(0) | VE_2_5V, +#endif + /* debug port */ + PWM1_DUART_TX | STRENGTH(S4MA), /* strength is TBD */ + PWM0_DUART_RX | STRENGTH(S4MA), /* strength is TBD */ + + /* lcd */ + LCD_VSYNC, /* kernel tries with 12 mA for all LCD related pins */ + LCD_HSYNC, + LCD_ENABE, + LCD_DOTCLOCK, + LCD_D17, + LCD_D16, + LCD_D15, + LCD_D14, + LCD_D13, + LCD_D12, + LCD_D11, + LCD_D10, + LCD_D9, + LCD_D8, + LCD_D7, + LCD_D6, + LCD_D5, + LCD_D4, + LCD_D3, + LCD_D2, + LCD_D1, + LCD_D0, + + /* LCD usage currently unknown */ + LCD_CS, /* used as SPI SS */ + LCD_RS, /* used as SPI CLK */ + LCD_RESET, + LCD_WR, /* used as SPI MOSI */ + + /* I2C to the MMA7455L, KXTE9, AT24C08 (DCID), AT24C128B (ID EEPROM) and QN8005B */ + I2C_SDA, + I2C_CLK, + + /* Rotary decoder (external pull ups) */ + ROTARYA, + ROTARYB, + + /* the chumby bend (external pull up) */ + PWM4_GPIO | GPIO_IN, + + /* backlight control, to be controled by PWM, here we only want to disable it */ + PWM2_GPIO | GPIO_OUT | GPIO_VALUE(0), /* 1 enables, 0 disables the backlight */ + + /* send a reset signal to the USB hub */ + AUART1_TX_GPIO | GPIO_OUT | GPIO_VALUE(0), + + /* USB power disable (FIXME what level to be switched off) */ + AUART1_CTS_GPIO | GPIO_OUT | GPIO_VALUE(0), + + /* Detecting if a display is connected (0 = display attached) (external pull up) */ + AUART1_RTS_GPIO | GPIO_IN, + + /* disable the audio amplifier */ + GPMI_D08_GPIO | GPIO_OUT | GPIO_VALUE(0), + + /* Head Phone detection (FIXME what level when plugged in) (external pull up) */ + GPMI_D11_GPIO | GPIO_IN, + +#if 0 + /* Enable the local 5V (FIXME what to do when the bootloader runs) */ + GPMI_D12_GPIO | GPIO_OUT | GPIO_VALUE(1), +#endif + + /* not used pins */ + GPMI_D09_GPIO | GPIO_IN | PULLUP(1), + GPMI_D10_GPIO | GPIO_IN | PULLUP(1), + GPMI_D13_GPIO | GPIO_IN | PULLUP(1), + + /* unknown. Not connected to anything than test pin J113 */ + GPMI_D14_GPIO | GPIO_IN | PULLUP(1), + + /* unknown. Not connected to anything than test pin J114 */ + GPMI_D15_GPIO | GPIO_IN | PULLUP(1), + + /* NAND controller (Note: There is no NAND device on the board) */ + GPMI_D00 | PULLUP(1), + GPMI_D01 | PULLUP(1), + GPMI_D02 | PULLUP(1), + GPMI_D03 | PULLUP(1), + GPMI_D04 | PULLUP(1), + GPMI_D05 | PULLUP(1), + GPMI_D06 | PULLUP(1), + GPMI_D07 | PULLUP(1), + GPMI_CE0N, + GPMI_RDY0 | PULLUP(1), + GPMI_WRN, /* kernel tries here with 12 mA */ + GPMI_RDN, /* kernel tries here with 12 mA */ + GPMI_WPM, /* kernel tries here with 12 mA */ + GPMI_CLE, + GPMI_ALE, + + /* SD card interface */ + SSP1_DATA0 | PULLUP(1), /* available at J201 */ + SSP1_DATA1 | PULLUP(1), /* available at J200 */ + SSP1_DATA2 | PULLUP(1), /* available at J205 */ + SSP1_DATA3 | PULLUP(1), /* available at J204 */ + SSP1_SCK, /* available at J202 */ + SSP1_CMD | PULLUP(1), /* available at J203 */ + SSP1_DETECT | PULLUP(1), /* only connected to test pin J115 */ + + /* other not used pins */ + GPMI_CE1N_GPIO | GPIO_IN | PULLUP(1), + GPMI_CE2N_GPIO | GPIO_IN | PULLUP(1), + GPMI_RDY1_GPIO | GPIO_IN | PULLUP(1), + GPMI_RDY2_GPIO | GPIO_IN | PULLUP(1), + GPMI_RDY3_GPIO | GPIO_IN | PULLUP(1), +}; + +static int falconwing_devices_init(void) +{ + int i; + + falconwing_mmu_init(); + + /* initizalize gpios */ + for (i = 0; i < ARRAY_SIZE(pad_setup); i++) + imx_gpio_mode(pad_setup[i]); + + register_device(&sdram_dev); + + armlinux_add_dram(&sdram_dev); + armlinux_set_bootparams((void*)(sdram_dev.map_base + 0x100)); + armlinux_set_architecture(MACH_TYPE_CHUMBY); + + imx_dump_clocks(); + + return 0; +} + +device_initcall(falconwing_devices_init); + +static struct device_d falconwing_serial_device = { + .name = "stm_serial", + .map_base = IMX_DBGUART_BASE, + .size = 8192, +}; + +static int falconwing_console_init(void) +{ + return register_device(&falconwing_serial_device); +} + +console_initcall(falconwing_console_init); + +/** @page chumby Chumby Industrie's Falconwing aka "chumby one" (http://www.chumby.com/) + +This CPU card is based on a Freescale i.MX23 CPU. The card is shipped with: + +- 64 MiB synchronous dynamic RAM (DDR type) + +Memory layout when @b barebox is running: + +- 0x40000000 start of SDRAM +- 0x40000100 start of kernel's boot parameters + - below malloc area: stack area + - below barebox: malloc area +- 0x42000000 start of @b barebox +*/ diff --git a/arch/arm/configs/chumbyone_defconfig b/arch/arm/configs/chumbyone_defconfig new file mode 100644 index 0000000..a3d3e25 --- /dev/null +++ b/arch/arm/configs/chumbyone_defconfig @@ -0,0 +1,224 @@ +# +# Automatically generated make config: don't edit +# Linux barebox version: 2010.09.0 +# Thu Oct 7 16:36:33 2010 +# +# CONFIG_BOARD_LINKER_SCRIPT is not set +CONFIG_GENERIC_LINKER_SCRIPT=y +CONFIG_ARM=y + +# +# System Type +# +# CONFIG_ARCH_AT91 is not set +# CONFIG_ARCH_EP93XX is not set +# CONFIG_ARCH_IMX is not set +CONFIG_ARCH_STM=y +# CONFIG_ARCH_NETX is not set +# CONFIG_ARCH_NOMADIK is not set +# CONFIG_ARCH_OMAP is not set +# CONFIG_ARCH_S3C24xx is not set + +# +# Processor Type +# +CONFIG_CPU_32=y +CONFIG_CPU_ARM926T=y +CONFIG_CPU_32v5=y + +# +# processor features +# +CONFIG_ARCH_TEXT_BASE=0x42000000 +CONFIG_BOARDINFO="Chumby Falconwing" + +# +# SigmaTel/Freescale i.MX System-on-Chip +# +CONFIG_ARCH_IMX23=y +# CONFIG_MACH_MX23EVK is not set +CONFIG_MACH_CHUMBY=y + +# +# Board specific settings +# +CONFIG_AEABI=y + +# +# Arm specific settings +# +CONFIG_CMD_ARM_CPUINFO=y +CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS=y +CONFIG_DEFCONFIG_LIST="$ARCH_DEFCONFIG" +CONFIG_GREGORIAN_CALENDER=y +CONFIG_HAS_KALLSYMS=y +CONFIG_HAS_MODULES=y +CONFIG_CMD_MEMORY=y +CONFIG_ENV_HANDLING=y +CONFIG_GENERIC_GPIO=y + +# +# General Settings +# +CONFIG_LOCALVERSION_AUTO=y + +# +# memory layout +# +CONFIG_HAVE_MMU=y +# CONFIG_MMU is not set +CONFIG_HAVE_CONFIGURABLE_TEXT_BASE=y +CONFIG_TEXT_BASE=0x42000000 +CONFIG_HAVE_CONFIGURABLE_MEMORY_LAYOUT=y +CONFIG_MEMORY_LAYOUT_DEFAULT=y +# CONFIG_MEMORY_LAYOUT_FIXED is not set +CONFIG_STACK_SIZE=0x8000 +CONFIG_MALLOC_SIZE=0x400000 +CONFIG_BROKEN=y +# CONFIG_EXPERIMENTAL is not set +# CONFIG_KALLSYMS is not set +CONFIG_PROMPT="chumby:" +CONFIG_BAUDRATE=115200 +CONFIG_LONGHELP=y +CONFIG_CBSIZE=1024 +CONFIG_MAXARGS=16 +CONFIG_SHELL_HUSH=y +# CONFIG_SHELL_SIMPLE is not set +# CONFIG_GLOB is not set +CONFIG_PROMPT_HUSH_PS2="> " +# CONFIG_HUSH_FANCY_PROMPT is not set +CONFIG_CMDLINE_EDITING=y +CONFIG_AUTO_COMPLETE=y +# CONFIG_MENU is not set +# CONFIG_PASSWORD is not set +CONFIG_DYNAMIC_CRC_TABLE=y +CONFIG_ERRNO_MESSAGES=y +CONFIG_TIMESTAMP=y +CONFIG_CONSOLE_FULL=y +CONFIG_CONSOLE_ACTIVATE_FIRST=y +# CONFIG_OF_FLAT_TREE is not set +CONFIG_PARTITION=y +# CONFIG_DEFAULT_ENVIRONMENT is not set + +# +# Debugging +# +CONFIG_DEBUG_INFO=y +# CONFIG_ENABLE_FLASH_NOISE is not set +# CONFIG_ENABLE_PARTITION_NOISE is not set +# CONFIG_ENABLE_DEVICE_NOISE is not set + +# +# Commands +# + +# +# scripting +# +CONFIG_CMD_EDIT=y +CONFIG_CMD_SLEEP=y +CONFIG_CMD_SAVEENV=y +CONFIG_CMD_LOADENV=y +CONFIG_CMD_EXPORT=y +CONFIG_CMD_PRINTENV=y +CONFIG_CMD_READLINE=y +CONFIG_CMD_TRUE=y +CONFIG_CMD_FALSE=y +# CONFIG_CMD_LOGIN is not set +# CONFIG_CMD_PASSWD is not set + +# +# file commands +# +CONFIG_CMD_LS=y +CONFIG_CMD_RM=y +CONFIG_CMD_CAT=y +CONFIG_CMD_MKDIR=y +CONFIG_CMD_RMDIR=y +CONFIG_CMD_CP=y +CONFIG_CMD_PWD=y +CONFIG_CMD_CD=y +CONFIG_CMD_MOUNT=y +CONFIG_CMD_UMOUNT=y + +# +# console +# +CONFIG_CMD_CLEAR=y +CONFIG_CMD_ECHO=y +CONFIG_CMD_ECHO_E=y + +# +# memory +# +# CONFIG_CMD_LOADB is not set +# CONFIG_CMD_LOADS is not set +# CONFIG_CMD_MEMINFO is not set +# CONFIG_CMD_CRC is not set +CONFIG_CMD_MTEST=y +CONFIG_CMD_MTEST_ALTERNATIVE=y + +# +# flash +# +# CONFIG_CMD_FLASH is not set +# CONFIG_CMD_UBI is not set + +# +# booting +# +CONFIG_CMD_BOOTM=y +# CONFIG_CMD_BOOTM_ZLIB is not set +# CONFIG_CMD_BOOTM_BZLIB is not set +# CONFIG_CMD_BOOTM_SHOW_TYPE is not set +CONFIG_CMD_BOOTZ=y +CONFIG_CMD_BOOTU=y +CONFIG_CMD_RESET=y +# CONFIG_CMD_GO is not set +CONFIG_CMD_TIMEOUT=y +CONFIG_CMD_PARTITION=y +CONFIG_CMD_TEST=y +CONFIG_CMD_VERSION=y +CONFIG_CMD_HELP=y +CONFIG_CMD_DEVINFO=y +# CONFIG_CMD_GPIO is not set +# CONFIG_CMD_UNLZO is not set +# CONFIG_NET is not set + +# +# Drivers +# + +# +# serial drivers +# +# CONFIG_DRIVER_SERIAL_ARM_DCC is not set +CONFIG_DRIVER_SERIAL_STM378X=y +# CONFIG_DRIVER_SERIAL_NS16550 is not set + +# +# SPI drivers +# +# CONFIG_SPI is not set +# CONFIG_I2C is not set + +# +# flash drivers +# +# CONFIG_DRIVER_CFI is not set +# CONFIG_MTD is not set +# CONFIG_ATA is not set +# CONFIG_USB is not set +# CONFIG_USB_GADGET is not set +# CONFIG_VIDEO is not set + +# +# Filesystem support +# +# CONFIG_FS_CRAMFS is not set +CONFIG_FS_RAMFS=y +CONFIG_FS_DEVFS=y +CONFIG_CRC32=y +# CONFIG_DIGEST is not set +# CONFIG_GENERIC_FIND_NEXT_BIT is not set +CONFIG_PROCESS_ESCAPE_SEQUENCE=y diff --git a/arch/arm/mach-stm/Kconfig b/arch/arm/mach-stm/Kconfig index bbdea51..021919a 100644 --- a/arch/arm/mach-stm/Kconfig +++ b/arch/arm/mach-stm/Kconfig @@ -3,9 +3,11 @@ if ARCH_STM config ARCH_TEXT_BASE hex default 0x41000000 if MACH_MX23EVK + default 0x42000000 if MACH_CHUMBY config BOARDINFO default "Freescale i.MX23-EVK" if MACH_MX23EVK + default "Chumby Falconwing" if MACH_CHUMBY comment "SigmaTel/Freescale i.MX System-on-Chip" @@ -28,6 +30,13 @@ config MACH_MX23EVK help Say Y here if you are using the Freescale i.MX23-EVK board +config MACH_CHUMBY + bool "Chumby Falconwing" + select HAVE_MMU + help + Say Y here if you are using the "chumby one" aka falconwing from + Chumby Industries + endchoice endif -- 1.7.2.3 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox