mirror of https://gitee.com/openkylin/linux.git
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: Angelo Dureghello <angelo@sysam.it> Signed-off-by: Greg Ungerer <gerg@linux-m68k.org>
This commit is contained in:
Angelo Dureghello
Greg Ungerer
parent
08fe92e205
commit
c8b61d5089
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@ -266,6 +266,12 @@ config AMCORE
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help
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Support for the Sysam AMCORE open-hardware generic board.
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config STMARK2
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bool "Sysam stmark2 board support"
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depends on M5441x
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help
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Support for the Sysam stmark2 open-hardware generic board.
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config FIREBEE
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bool "FireBee board support"
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depends on M547x
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@ -35,7 +35,8 @@ obj-$(CONFIG_NETtel) += nettel.o
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obj-$(CONFIG_CLEOPATRA) += nettel.o
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obj-$(CONFIG_FIREBEE) += firebee.o
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obj-$(CONFIG_MCF8390) += mcf8390.o
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obj-$(CONFIG_AMCORE) += amcore.o
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obj-$(CONFIG_AMCORE) += amcore.o
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obj-$(CONFIG_STMARK2) += stmark2.o
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obj-$(CONFIG_PCI) += pci.o
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@ -0,0 +1,119 @@
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/*
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* stmark2.c -- Support for Sysam AMCORE open board
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*
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* (C) Copyright 2017, Angelo Dureghello <angelo@sysam.it>
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file COPYING in the main directory of this archive
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* for more details.
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*/
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#include <linux/platform_device.h>
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#include <linux/mtd/partitions.h>
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#include <linux/spi/spi.h>
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#include <linux/spi/spi-fsl-dspi.h>
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#include <linux/spi/flash.h>
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#include <asm/mcfsim.h>
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/*
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* Partitioning of parallel NOR flash (39VF3201B)
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*/
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static struct mtd_partition stmark2_partitions[] = {
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{
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.name = "U-Boot (1024K)",
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.size = 0x100000,
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.offset = 0x0
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}, {
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.name = "Kernel+initramfs (7168K)",
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.size = 0x700000,
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.offset = MTDPART_OFS_APPEND
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}, {
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.name = "Flash Free Space (8192K)",
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.size = MTDPART_SIZ_FULL,
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.offset = MTDPART_OFS_APPEND
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}
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};
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static struct flash_platform_data stmark2_spi_flash_data = {
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.name = "is25lp128",
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.parts = stmark2_partitions,
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.nr_parts = ARRAY_SIZE(stmark2_partitions),
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.type = "is25lp128",
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};
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static struct spi_board_info stmark2_board_info[] __initdata = {
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{
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.modalias = "m25p80",
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.max_speed_hz = 5000000,
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.bus_num = 0,
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.chip_select = 1,
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.platform_data = &stmark2_spi_flash_data,
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.mode = SPI_MODE_3,
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}
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};
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/* SPI controller data, SPI (0) */
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static struct fsl_dspi_platform_data dspi_spi0_info = {
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.cs_num = 4,
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.bus_num = 0,
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.sck_cs_delay = 100,
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.cs_sck_delay = 100,
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};
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static struct resource dspi_spi0_resource[] = {
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[0] = {
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.start = MCFDSPI_BASE0,
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.end = MCFDSPI_BASE0 + 0xFF,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = 12,
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.end = 13,
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.flags = IORESOURCE_DMA,
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},
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[2] = {
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.start = MCF_IRQ_DSPI0,
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.end = MCF_IRQ_DSPI0,
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.flags = IORESOURCE_IRQ,
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},
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};
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/* SPI controller, id = bus number */
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static struct platform_device dspi_spi0_device = {
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.name = "fsl-dspi",
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.id = 0,
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.num_resources = ARRAY_SIZE(dspi_spi0_resource),
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.resource = dspi_spi0_resource,
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.dev = {
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.platform_data = &dspi_spi0_info,
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},
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};
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static struct platform_device *stmark2_devices[] __initdata = {
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&dspi_spi0_device,
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};
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/*
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* Note: proper pin-mux setup is mandatory for proper SPI functionality.
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*/
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static int __init init_stmark2(void)
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{
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/* DSPI0, all pins as DSPI, and using CS1 */
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__raw_writeb(0x80, MCFGPIO_PAR_DSPIOWL);
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__raw_writeb(0xfc, MCFGPIO_PAR_DSPIOWH);
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/* Board gpio setup */
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__raw_writeb(0x00, MCFGPIO_PAR_BE);
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__raw_writeb(0x00, MCFGPIO_PAR_FBCTL);
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__raw_writeb(0x00, MCFGPIO_PAR_CS);
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__raw_writeb(0x00, MCFGPIO_PAR_CANI2C);
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platform_add_devices(stmark2_devices, ARRAY_SIZE(stmark2_devices));
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spi_register_board_info(stmark2_board_info,
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ARRAY_SIZE(stmark2_board_info));
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return 0;
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}
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late_initcall(init_stmark2);
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@ -0,0 +1,92 @@
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CONFIG_LOCALVERSION="stmark2-001"
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CONFIG_DEFAULT_HOSTNAME="stmark2"
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CONFIG_SYSVIPC=y
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# CONFIG_FHANDLE is not set
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CONFIG_LOG_BUF_SHIFT=14
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CONFIG_NAMESPACES=y
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CONFIG_BLK_DEV_INITRD=y
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CONFIG_INITRAMFS_SOURCE="../uClinux-dist/romfs"
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# CONFIG_RD_BZIP2 is not set
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# CONFIG_RD_LZMA is not set
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# CONFIG_RD_XZ is not set
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# CONFIG_RD_LZO is not set
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# CONFIG_RD_LZ4 is not set
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CONFIG_CC_OPTIMIZE_FOR_SIZE=y
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# CONFIG_AIO is not set
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# CONFIG_ADVISE_SYSCALLS is not set
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# CONFIG_MEMBARRIER is not set
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CONFIG_EMBEDDED=y
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# CONFIG_VM_EVENT_COUNTERS is not set
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# CONFIG_COMPAT_BRK is not set
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# CONFIG_LBDAF is not set
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# CONFIG_BLK_DEV_BSG is not set
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CONFIG_BLK_CMDLINE_PARSER=y
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# CONFIG_MMU is not set
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CONFIG_M5441x=y
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CONFIG_CLOCK_FREQ=240000000
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CONFIG_STMARK2=y
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CONFIG_RAMBASE=0x40000000
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CONFIG_RAMSIZE=0x8000000
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CONFIG_VECTORBASE=0x40000000
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CONFIG_KERNELBASE=0x40001000
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CONFIG_BINFMT_FLAT=y
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CONFIG_BINFMT_MISC=y
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# CONFIG_UEVENT_HELPER is not set
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CONFIG_DEVTMPFS=y
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CONFIG_DEVTMPFS_MOUNT=y
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CONFIG_FW_LOADER_USER_HELPER_FALLBACK=y
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# CONFIG_ALLOW_DEV_COREDUMP is not set
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CONFIG_MTD=y
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CONFIG_MTD_CMDLINE_PARTS=y
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CONFIG_MTD_BLOCK=y
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CONFIG_MTD_CFI=y
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CONFIG_MTD_JEDECPROBE=y
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CONFIG_MTD_CFI_ADV_OPTIONS=y
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CONFIG_MTD_CFI_LE_BYTE_SWAP=y
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CONFIG_MTD_CFI_GEOMETRY=y
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# CONFIG_MTD_CFI_I2 is not set
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CONFIG_MTD_CFI_AMDSTD=y
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CONFIG_MTD_CFI_STAA=y
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CONFIG_MTD_ROM=y
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CONFIG_MTD_COMPLEX_MAPPINGS=y
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CONFIG_MTD_PLATRAM=y
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CONFIG_MTD_M25P80=y
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CONFIG_MTD_SPI_NOR=y
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# CONFIG_INPUT_KEYBOARD is not set
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# CONFIG_INPUT_MOUSE is not set
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CONFIG_SERIO_LIBPS2=y
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# CONFIG_UNIX98_PTYS is not set
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# CONFIG_DEVMEM is not set
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CONFIG_SERIAL_MCF=y
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CONFIG_SERIAL_MCF_BAUDRATE=115200
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CONFIG_SERIAL_MCF_CONSOLE=y
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# CONFIG_HW_RANDOM is not set
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CONFIG_SPI=y
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CONFIG_SPI_DEBUG=y
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CONFIG_SPI_FSL_DSPI=y
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CONFIG_DEBUG_GPIO=y
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CONFIG_GPIO_SYSFS=y
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CONFIG_GPIO_GENERIC_PLATFORM=y
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# CONFIG_HWMON is not set
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# CONFIG_RC_CORE is not set
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# CONFIG_HID is not set
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# CONFIG_USB_SUPPORT is not set
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# CONFIG_FILE_LOCKING is not set
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# CONFIG_DNOTIFY is not set
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# CONFIG_INOTIFY_USER is not set
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CONFIG_FSCACHE=y
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# CONFIG_PROC_SYSCTL is not set
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CONFIG_PRINTK_TIME=y
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# CONFIG_ENABLE_WARN_DEPRECATED is not set
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# CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
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CONFIG_SLUB_DEBUG_ON=y
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CONFIG_PANIC_ON_OOPS=y
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# CONFIG_SCHED_DEBUG is not set
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# CONFIG_DEBUG_BUGVERBOSE is not set
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CONFIG_BOOTPARAM=y
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CONFIG_BOOTPARAM_STRING="console=ttyS0,115200 root=/dev/ram0 rw rootfstype=ramfs rdinit=/bin/init devtmpfs.mount=1"
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CONFIG_CRYPTO=y
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# CONFIG_CRYPTO_ECHAINIV is not set
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CONFIG_CRYPTO_ANSI_CPRNG=y
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# CONFIG_CRYPTO_HW is not set
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CONFIG_CRC16=y
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