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Commit c8b61d50 authored by Angelo Dureghello's avatar Angelo Dureghello Committed by Greg Ungerer
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m68k: add Sysam stmark2 open board support 

Add support for Sysam stmark2 board, an open hardware embedded
Linux board, see http://sysam.it/cff_stmark2.html

 for any info.

Signed-off-by: default avatarAngelo Dureghello <angelo@sysam.it>
Signed-off-by: default avatarGreg Ungerer <gerg@linux-m68k.org>
parent 08fe92e2

arch/m68k/Kconfig.machine

+6 −0
Original line number Diff line number Diff line
@@ -266,6 +266,12 @@ config AMCORE 
	help

	  Support for the Sysam AMCORE open-hardware generic board.



config STMARK2

        bool "Sysam stmark2 board support"

        depends on M5441x

        help

          Support for the Sysam stmark2 open-hardware generic board.



config FIREBEE

	bool "FireBee board support"

	depends on M547x

arch/m68k/coldfire/Makefile

+2 −1
Original line number Diff line number Diff line
@@ -36,6 +36,7 @@ obj-$(CONFIG_CLEOPATRA) += nettel.o 
obj-$(CONFIG_FIREBEE)	+= firebee.o

obj-$(CONFIG_MCF8390)	+= mcf8390.o

obj-$(CONFIG_AMCORE)	+= amcore.o

obj-$(CONFIG_STMARK2)	+= stmark2.o



obj-$(CONFIG_PCI)	+= pci.o

arch/m68k/coldfire/stmark2.c

0 → 100644
+119 −0
Original line number Diff line number Diff line 
/*

 * stmark2.c -- Support for Sysam AMCORE open board

 *

 * (C) Copyright 2017, Angelo Dureghello <angelo@sysam.it>

 *

 * This file is subject to the terms and conditions of the GNU General Public

 * License.  See the file COPYING in the main directory of this archive

 * for more details.

 */



#include <linux/platform_device.h>

#include <linux/mtd/partitions.h>

#include <linux/spi/spi.h>

#include <linux/spi/spi-fsl-dspi.h>

#include <linux/spi/flash.h>

#include <asm/mcfsim.h>



/*

 * Partitioning of parallel NOR flash (39VF3201B)

 */

static struct mtd_partition stmark2_partitions[] = {

	{

		.name = "U-Boot (1024K)",

		.size = 0x100000,

		.offset = 0x0

	}, {

		.name = "Kernel+initramfs (7168K)",

		.size = 0x700000,

		.offset = MTDPART_OFS_APPEND

	}, {

		.name = "Flash Free Space (8192K)",

		.size = MTDPART_SIZ_FULL,

		.offset = MTDPART_OFS_APPEND

	}

};



static struct flash_platform_data stmark2_spi_flash_data = {

	.name = "is25lp128",

	.parts = stmark2_partitions,

	.nr_parts = ARRAY_SIZE(stmark2_partitions),

	.type = "is25lp128",

};



static struct spi_board_info stmark2_board_info[] __initdata = {

	{

		.modalias = "m25p80",

		.max_speed_hz = 5000000,

		.bus_num = 0,

		.chip_select = 1,

		.platform_data = &stmark2_spi_flash_data,

		.mode = SPI_MODE_3,

	}

};



/* SPI controller data, SPI (0) */

static struct fsl_dspi_platform_data dspi_spi0_info = {

	.cs_num = 4,

	.bus_num = 0,

	.sck_cs_delay = 100,

	.cs_sck_delay = 100,

};



static struct resource dspi_spi0_resource[] = {

	[0] = {

		.start = MCFDSPI_BASE0,

		.end   = MCFDSPI_BASE0 + 0xFF,

		.flags = IORESOURCE_MEM,

		},

	[1] = {

		.start = 12,

		.end   = 13,

		.flags = IORESOURCE_DMA,

	},

	[2] = {

		.start = MCF_IRQ_DSPI0,

		.end   = MCF_IRQ_DSPI0,

		.flags = IORESOURCE_IRQ,

	},

};



/* SPI controller, id = bus number */

static struct platform_device dspi_spi0_device = {

	.name = "fsl-dspi",

	.id = 0,

	.num_resources = ARRAY_SIZE(dspi_spi0_resource),

	.resource = dspi_spi0_resource,

	.dev = {

		.platform_data = &dspi_spi0_info,

	},

};



static struct platform_device *stmark2_devices[] __initdata = {

	&dspi_spi0_device,

};



/*

 * Note: proper pin-mux setup is mandatory for proper SPI functionality.

 */

static int __init init_stmark2(void)

{

	/* DSPI0, all pins as DSPI, and using CS1 */

	__raw_writeb(0x80, MCFGPIO_PAR_DSPIOWL);

	__raw_writeb(0xfc, MCFGPIO_PAR_DSPIOWH);



	/* Board gpio setup */

	__raw_writeb(0x00, MCFGPIO_PAR_BE);

	__raw_writeb(0x00, MCFGPIO_PAR_FBCTL);

	__raw_writeb(0x00, MCFGPIO_PAR_CS);

	__raw_writeb(0x00, MCFGPIO_PAR_CANI2C);



	platform_add_devices(stmark2_devices, ARRAY_SIZE(stmark2_devices));



	spi_register_board_info(stmark2_board_info,

				ARRAY_SIZE(stmark2_board_info));



	return 0;

}



late_initcall(init_stmark2);

arch/m68k/configs/stmark2_defconfig

0 → 100644
+92 −0
Original line number Diff line number Diff line 
CONFIG_LOCALVERSION="stmark2-001"

CONFIG_DEFAULT_HOSTNAME="stmark2"

CONFIG_SYSVIPC=y

# CONFIG_FHANDLE is not set

CONFIG_LOG_BUF_SHIFT=14

CONFIG_NAMESPACES=y

CONFIG_BLK_DEV_INITRD=y

CONFIG_INITRAMFS_SOURCE="../uClinux-dist/romfs"

# CONFIG_RD_BZIP2 is not set

# CONFIG_RD_LZMA is not set

# CONFIG_RD_XZ is not set

# CONFIG_RD_LZO is not set

# CONFIG_RD_LZ4 is not set

CONFIG_CC_OPTIMIZE_FOR_SIZE=y

# CONFIG_AIO is not set

# CONFIG_ADVISE_SYSCALLS is not set

# CONFIG_MEMBARRIER is not set

CONFIG_EMBEDDED=y

# CONFIG_VM_EVENT_COUNTERS is not set

# CONFIG_COMPAT_BRK is not set

# CONFIG_LBDAF is not set

# CONFIG_BLK_DEV_BSG is not set

CONFIG_BLK_CMDLINE_PARSER=y

# CONFIG_MMU is not set

CONFIG_M5441x=y

CONFIG_CLOCK_FREQ=240000000

CONFIG_STMARK2=y

CONFIG_RAMBASE=0x40000000

CONFIG_RAMSIZE=0x8000000

CONFIG_VECTORBASE=0x40000000

CONFIG_KERNELBASE=0x40001000

CONFIG_BINFMT_FLAT=y

CONFIG_BINFMT_MISC=y

# CONFIG_UEVENT_HELPER is not set

CONFIG_DEVTMPFS=y

CONFIG_DEVTMPFS_MOUNT=y

CONFIG_FW_LOADER_USER_HELPER_FALLBACK=y

# CONFIG_ALLOW_DEV_COREDUMP is not set

CONFIG_MTD=y

CONFIG_MTD_CMDLINE_PARTS=y

CONFIG_MTD_BLOCK=y

CONFIG_MTD_CFI=y

CONFIG_MTD_JEDECPROBE=y

CONFIG_MTD_CFI_ADV_OPTIONS=y

CONFIG_MTD_CFI_LE_BYTE_SWAP=y

CONFIG_MTD_CFI_GEOMETRY=y

# CONFIG_MTD_CFI_I2 is not set

CONFIG_MTD_CFI_AMDSTD=y

CONFIG_MTD_CFI_STAA=y

CONFIG_MTD_ROM=y

CONFIG_MTD_COMPLEX_MAPPINGS=y

CONFIG_MTD_PLATRAM=y

CONFIG_MTD_M25P80=y

CONFIG_MTD_SPI_NOR=y

# CONFIG_INPUT_KEYBOARD is not set

# CONFIG_INPUT_MOUSE is not set

CONFIG_SERIO_LIBPS2=y

# CONFIG_UNIX98_PTYS is not set

# CONFIG_DEVMEM is not set

CONFIG_SERIAL_MCF=y

CONFIG_SERIAL_MCF_BAUDRATE=115200

CONFIG_SERIAL_MCF_CONSOLE=y

# CONFIG_HW_RANDOM is not set

CONFIG_SPI=y

CONFIG_SPI_DEBUG=y

CONFIG_SPI_FSL_DSPI=y

CONFIG_DEBUG_GPIO=y

CONFIG_GPIO_SYSFS=y

CONFIG_GPIO_GENERIC_PLATFORM=y

# CONFIG_HWMON is not set

# CONFIG_RC_CORE is not set

# CONFIG_HID is not set

# CONFIG_USB_SUPPORT is not set

# CONFIG_FILE_LOCKING is not set

# CONFIG_DNOTIFY is not set

# CONFIG_INOTIFY_USER is not set

CONFIG_FSCACHE=y

# CONFIG_PROC_SYSCTL is not set

CONFIG_PRINTK_TIME=y

# CONFIG_ENABLE_WARN_DEPRECATED is not set

# CONFIG_SECTION_MISMATCH_WARN_ONLY is not set

CONFIG_SLUB_DEBUG_ON=y

CONFIG_PANIC_ON_OOPS=y

# CONFIG_SCHED_DEBUG is not set

# CONFIG_DEBUG_BUGVERBOSE is not set

CONFIG_BOOTPARAM=y

CONFIG_BOOTPARAM_STRING="console=ttyS0,115200 root=/dev/ram0 rw rootfstype=ramfs rdinit=/bin/init devtmpfs.mount=1"

CONFIG_CRYPTO=y

# CONFIG_CRYPTO_ECHAINIV is not set

CONFIG_CRYPTO_ANSI_CPRNG=y

# CONFIG_CRYPTO_HW is not set

CONFIG_CRC16=y