Mercurial > ecos
changeset 3084:12eba26a707e
* cdl/disk_mmc_freescale_dspi.cdl:
* src/freescale_dspi_mmc.c:
New package -- Disk driver fot Freescale DSPI
| author | vae |
|---|---|
| date | Wed, 22 Feb 2012 21:19:00 +0000 |
| parents | 35ac6793793f |
| children | 4e0edd9d9f18 |
| files | packages/devs/disk/spi/freescale/dspi/mmc/current/ChangeLog packages/devs/disk/spi/freescale/dspi/mmc/current/cdl/disk_mmc_freescale_dspi.cdl packages/devs/disk/spi/freescale/dspi/mmc/current/src/freescale_dspi_mmc.c |
| diffstat | 3 files changed, 220 insertions(+), 0 deletions(-) [+] |
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new file mode 100644 --- /dev/null +++ b/packages/devs/disk/spi/freescale/dspi/mmc/current/ChangeLog @@ -0,0 +1,29 @@ +2012-01-06 Ilija Kocho <ilijak@siva.com.mk> + + * cdl/disk_mmc_freescale_dspi.cdl: + * src/freescale_dspi_mmc.c: + New package -- Disk driver fot Freescale DSPI + +//=========================================================================== +// ####GPLCOPYRIGHTBEGIN#### +// ------------------------------------------- +// This file is part of eCos, the Embedded Configurable Operating System. +// Copyright (C) 2012 Free Software Foundation, Inc. +// +// 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 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., 51 Franklin Street, +// Fifth Floor, Boston, MA 02110-1301, USA. +// ------------------------------------------- +// ####GPLCOPYRIGHTEND#### +//===========================================================================
new file mode 100644 --- /dev/null +++ b/packages/devs/disk/spi/freescale/dspi/mmc/current/cdl/disk_mmc_freescale_dspi.cdl @@ -0,0 +1,92 @@ +##========================================================================== +## +## disk_mmc_freescale_dspi.cdl +## +## MMC/SD disk instatntiation for Freescale DSPI +## +##========================================================================== +## ####ECOSGPLCOPYRIGHTBEGIN#### +## ------------------------------------------- +## This file is part of eCos, the Embedded Configurable Operating System. +## Copyright (C) 2011 Free Software Foundation, Inc. +## +## eCos 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 or (at your option) any later +## version. +## +## eCos 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 eCos; if not, write to the Free Software Foundation, Inc., +## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +## +## As a special exception, if other files instantiate templates or use +## macros or inline functions from this file, or you compile this file +## and link it with other works to produce a work based on this file, +## this file does not by itself cause the resulting work to be covered by +## the GNU General Public License. However the source code for this file +## must still be made available in accordance with section (3) of the GNU +## General Public License v2. +## +## This exception does not invalidate any other reasons why a work based +## on this file might be covered by the GNU General Public License. +## ------------------------------------------- +## ####ECOSGPLCOPYRIGHTEND#### +##========================================================================== +#######DESCRIPTIONBEGIN#### +## +## Author(s): Ilija Kocho <ilijak@siva.com.mk> +## Date: 2011-12-27 +## +######DESCRIPTIONEND#### +## +##========================================================================== + + +cdl_package CYGPKG_DEVS_DISK_MMC_FREESCALE_DSPI { + display "MMC/SD disk device for Freescale DSPI" + + active_if CYGPKG_DEVS_DISK_MMC_SPI + requires CYGPKG_DEVS_SPI_FREESCALE_DSPI + requires is_active(CYGHWR_DEVS_DISK_MMC_FREESCALE_DSPI_BUS) + requires is_active(CYGHWR_DEVS_DISK_MMC_FREESCALE_DSPI_CS) + + + parent CYGPKG_DEVS_DISK_MMC_SPI + compile -library=libextras.a freescale_dspi_mmc.c + + cdl_component CYGHWR_DEVS_MMC_SPI_INITIAL_SPEED { + display "Initial nominal SPI clock speed Hz" + flavor data + default_value 400000 + + cdl_option CYGHWR_DEVS_MMC_SPI_USE_DBR { + display "Use double baud rate" + flavor bool + default_value 1 + description " + Double baud rate is a feature of Freescale DSPI + that may provide higher baud rates but duty the cycle may be + different than 50/50 depdent on scaler/prescaler setting + for achieved baud rate." + } + } + + cdl_option CYGHWR_DEVS_DISK_MMC_CS_DELAY { + display "Nominal chip select delays (units)" + flavor data + legal_values { 1 1000 } + default_value 1 + } + + cdl_option CYGHWR_DEVS_DISK_MMC_CS_DELAY_UNIT { + display "Chip select delay unit (ns)" + flavor data + default_value 100 + legal_values { 100 1000 } + } +}
new file mode 100644 --- /dev/null +++ b/packages/devs/disk/spi/freescale/dspi/mmc/current/src/freescale_dspi_mmc.c @@ -0,0 +1,99 @@ +//========================================================================== +// +// freescale_dspi_mmc.c +// +// Cortex-M4 Freescale DSPI disk device +// +//========================================================================== +// ####ECOSGPLCOPYRIGHTBEGIN#### +// ------------------------------------------- +// This file is part of eCos, the Embedded Configurable Operating System. +// Copyright (C) 2011 Free Software Foundation, Inc. +// +// eCos 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 or (at your option) any later +// version. +// +// eCos 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 eCos; if not, write to the Free Software Foundation, Inc., +// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +// +// As a special exception, if other files instantiate templates or use +// macros or inline functions from this file, or you compile this file +// and link it with other works to produce a work based on this file, +// this file does not by itself cause the resulting work to be covered by +// the GNU General Public License. However the source code for this file +// must still be made available in accordance with section (3) of the GNU +// General Public License v2. +// +// This exception does not invalidate any other reasons why a work based +// on this file might be covered by the GNU General Public License. +// ------------------------------------------- +// ####ECOSGPLCOPYRIGHTEND#### +//========================================================================== +//#####DESCRIPTIONBEGIN#### +// +// Author(s): ilijak +// Contributor(s): +// Date: 2011-12-27 +// Description: +// +//####DESCRIPTIONEND#### +// +//========================================================================== + +#include <pkgconf/hal.h> +#include <pkgconf/hal_cortexm.h> +#include <pkgconf/hal_cortexm_kinetis.h> +#include <pkgconf/devs_disk_mmc_freescale_dspi.h> +#ifdef CYGPKG_KERNEL +#include <pkgconf/kernel.h> +#endif + +#include <cyg/infra/diag.h> +#include <cyg/infra/cyg_type.h> +#include <cyg/infra/cyg_trac.h> // tracing macros +#include <cyg/infra/cyg_ass.h> // assertion macros + +#include <cyg/hal/hal_arch.h> // HAL header +#include <cyg/hal/hal_intr.h> // HAL header +#include <cyg/io/spi_freescale_dspi.h> + +#define MMC_SPI_FRAME_SIZE 8 +#define MMC_SPI_CLOCK_POL 0 +#define MMC_SPI_CLOCK_PHASE 0 +#define MMC_SPI_INITIAL_SPEED CYGHWR_DEVS_MMC_SPI_INITIAL_SPEED +#define MMC_SPI_CSUP_DL CYGHWR_DEVS_DISK_MMC_CS_DELAY +#define MMC_SPI_CSDW_DL CYGHWR_DEVS_DISK_MMC_CS_DELAY +#define MMC_SPI_TRBD_DL CYGHWR_DEVS_DISK_MMC_CS_DELAY +#define MMC_SPI_DELAY_UNIT CYGHWR_DEVS_DISK_MMC_CS_DELAY_UNIT +#ifdef CYGHWR_DEVS_MMC_SPI_USE_DBR +# define MMC_SPI_DBR 1 +#else +# define MMC_SPI_DBR 0 +#endif + + +CYG_DEVS_SPI_FREESCALE_DSPI_DEVICE( + cyg_spi_mmc_dev0, // Device name + CYGHWR_DEVS_DISK_MMC_FREESCALE_DSPI_BUS, // SPI bus + CYGHWR_DEVS_DISK_MMC_FREESCALE_DSPI_CS, // Dev num + MMC_SPI_FRAME_SIZE, // Frame size + MMC_SPI_CLOCK_POL, // Clock pol + MMC_SPI_CLOCK_PHASE, // Clock phase + MMC_SPI_INITIAL_SPEED, // Clock speed (Hz) + MMC_SPI_CSUP_DL, // CS assert delay + MMC_SPI_CSDW_DL, // CS negate delay + MMC_SPI_TRBD_DL, // Delay between transfers + MMC_SPI_DELAY_UNIT, // Delay unit (100 or 1000 ns) + MMC_SPI_DBR // Use double baud rate +); + +//========================================================================== +// EOF freescale_spi_disk.c