Mercurial > ecos
changeset 2214:393b8d43a480
* cdl/ser_freescale_esci.cdl:
* include/ser_esci.h:
* src/ser_esci.c
New package
| author | asl |
|---|---|
| date | Wed, 31 May 2006 19:16:24 +0000 |
| parents | aacaba4e9e6d |
| children | e691ae9721d4 |
| files | packages/devs/serial/freescale/esci/current/ChangeLog packages/devs/serial/freescale/esci/current/cdl/ser_freescale_esci.cdl packages/devs/serial/freescale/esci/current/cdl/ser_freescale_esci_h.cdl packages/devs/serial/freescale/esci/current/include/ser_esci.h packages/devs/serial/freescale/esci/current/src/ser_esci.c |
| diffstat | 5 files changed, 1093 insertions(+), 0 deletions(-) [+] |
line wrap: on
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new file mode 100644 --- /dev/null +++ b/packages/devs/serial/freescale/esci/current/ChangeLog @@ -0,0 +1,39 @@ +2006-05-24 Ilija Koco <ilijak@siva.com.mk> + + * cdl/ser_freescale_esci.cdl: + * include/ser_esci.h: + * src/ser_esci.c + New package + +//=========================================================================== +//####ECOSGPLCOPYRIGHTBEGIN#### +// ------------------------------------------- +// This file is part of eCos, the Embedded Configurable Operating System. +// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. +// Copyright (C) 2006 eCosCentric Ltd +// +// 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., +// 59 Temple Place, Suite 330, Boston, MA 02111-1307 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. +// +// 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#### +//===========================================================================
new file mode 100644 --- /dev/null +++ b/packages/devs/serial/freescale/esci/current/cdl/ser_freescale_esci.cdl @@ -0,0 +1,297 @@ +# ==================================================================== +# +# ser_freescale_esci.cdl +# +# eCos serial Freescale/esci configuration data +# +# ==================================================================== +#####ECOSGPLCOPYRIGHTBEGIN#### +## ------------------------------------------- +## This file is part of eCos, the Embedded Configurable Operating System. +## Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. +## Copyright (C) 2006 eCosCentric Ltd +## +## 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., +## 59 Temple Place, Suite 330, Boston, MA 02111-1307 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. +## +## 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 Koco <ilijak@siva.com.mk> +# Original data: +# Contributors: +# Date: 2006-04-20 +# +#####DESCRIPTIONEND#### +# +# ==================================================================== + +cdl_package CYGPKG_IO_SERIAL_FREESCALE_ESCI { + display "eSCI device driver" + + parent CYGPKG_IO_SERIAL_DEVICES + active_if CYGPKG_IO_SERIAL + + requires CYGPKG_ERROR + include_dir cyg/devs + + description " + This option enables the serial device drivers for the + Freescale eSCI - Enhanced Serial Communication Interface. + eSCI is on-chip serial controller found on some freescale + microcontrollers such as: MAC7100 familly, etc. + " + compile -library=libextras.a ser_esci.c + + define_proc { + puts $::cdl_system_header "/***** serial driver proc output start *****/" + puts $::cdl_system_header "#define CYGDAT_IO_SERIAL_DEVICE_HEADER <pkgconf/io_serial_freescale_esci.h>" + puts $::cdl_system_header "/***** serial driver proc output end *****/" + } + + cdl_component CYGPKG_IO_SERIAL_FREESCALE_ESCI_A { + display "eSCI port A driver" + flavor bool + default_value 0 + description " + This option includes the serial device driver for the eSCI port A." + + cdl_option CYGDAT_IO_SERIAL_FREESCALE_ESCI_A_NAME { + display "Device name for eSCI port A" + flavor data + default_value {"\"/dev/ser0\""} + description " + This option specifies the device name for the eSCI port A." + } + + cdl_option CYGNUM_IO_SERIAL_FREESCALE_ESCI_A_BAUD { + display "Baud rate for the eSCI serial port A driver" + flavor data + legal_values { 300 600 1200 2400 4800 9600 14400 19200 38400 + 57600 115200 } + default_value 38400 + description " + This option specifies the default baud rate (speed) for the + eSCI port A." + } + + cdl_option CYGNUM_IO_SERIAL_FREESCALE_ESCI_A_BUFSIZE { + display "Buffer size for the sSCI port A driver" + flavor data + legal_values 0 to 8192 + default_value 128 + description " + This option specifies the size of the internal buffers used + for the eSCI port A." + } + + cdl_option CYGNUM_IO_SERIAL_FREESCALE_ESCI_A_INT_PRIORITY { + display "eSCI port A INTC priority" + flavor data + legal_values 0 to 15 + default_value 7 + description " + INTC has 16 interrupt levels: 0 (lowest) to 15 (highest). + " + } + } + + cdl_component CYGPKG_IO_SERIAL_FREESCALE_ESCI_B { + display "eSCI port B driver" + flavor bool + default_value 0 + description " + This option includes the serial device driver for the eSCI port B." + + cdl_option CYGDAT_IO_SERIAL_FREESCALE_ESCI_B_NAME { + display "Device name for eSCI port B" + flavor data + default_value {"\"/dev/ser1\""} + description " + This option specifies the device name for the eSCI port B." + } + + cdl_option CYGNUM_IO_SERIAL_FREESCALE_ESCI_B_BAUD { + display "Baud rate for the eSCI serial port A driver" + flavor data + legal_values { 300 600 1200 2400 4800 9600 14400 19200 38400 + 57600 115200 } + default_value 38400 + description " + This option specifies the default baud rate (speed) for the + eSCI port B." + } + + cdl_option CYGNUM_IO_SERIAL_FREESCALE_ESCI_B_BUFSIZE { + display "Buffer size for the sSCI port A driver" + flavor data + legal_values 0 to 8192 + default_value 128 + description " + This option specifies the size of the internal buffers used + for the eSCI port B." + } + + cdl_option CYGNUM_IO_SERIAL_FREESCALE_ESCI_B_INT_PRIORITY { + display "eSCI prot B INTC priority" + flavor data + legal_values 0 to 15 + default_value 7 + description " + INTC has 16 interrupt levels: 0 (lowest) to 15 (highest). + " + } + + } + + cdl_component CYGPKG_IO_SERIAL_FREESCALE_ESCI_C { + display "eSCI port C driver" + flavor bool + default_value 0 + description " + This option includes the serial device driver for the eSCI port C." + + cdl_option CYGDAT_IO_SERIAL_FREESCALE_ESCI_C_NAME { + display "Device name for eSCI port C" + flavor data + default_value {"\"/dev/ser2\""} + description " + This option specifies the device name for the eSCI port C." + } + + cdl_option CYGNUM_IO_SERIAL_FREESCALE_ESCI_C_BAUD { + display "Baud rate for the eSCI serial port A driver" + flavor data + legal_values { 300 600 1200 2400 4800 9600 14400 19200 38400 + 57600 115200 } + default_value 38400 + description " + This option specifies the default baud rate (speed) for the + eSCI port C." + } + + cdl_option CYGNUM_IO_SERIAL_FREESCALE_ESCI_C_BUFSIZE { + display "Buffer size for the sSCI port A driver" + flavor data + legal_values 0 to 8192 + default_value 128 + description " + This option specifies the size of the internal buffers used + for the eSCI port C." + } + + cdl_option CYGNUM_IO_SERIAL_FREESCALE_ESCI_C_INT_PRIORITY { + display "eSCI prot B INTC priority" + flavor data + legal_values 0 to 15 + default_value 6 + description " + INTC has 16 interrupt levels: 0 (lowest) to 15 (highest). + " + } + + } + + cdl_component CYGPKG_IO_SERIAL_FREESCALE_ESCI_D { + display "eSCI port D driver" + flavor bool + default_value 0 + description " + This option includes the serial device driver for the eSCI port D." + + cdl_option CYGDAT_IO_SERIAL_FREESCALE_ESCI_D_NAME { + display "Device name for eSCI port D" + flavor data + default_value {"\"/dev/ser3\""} + description " + This option specifies the device name for the eSCI port D." + } + + cdl_option CYGNUM_IO_SERIAL_FREESCALE_ESCI_D_BAUD { + display "Baud rate for the eSCI serial port A driver" + flavor data + legal_values { 300 600 1200 2400 4800 9600 14400 19200 38400 + 57600 115200 } + default_value 38400 + description " + This option specifies the default baud rate (speed) for the + eSCI port D." + } + + cdl_option CYGNUM_IO_SERIAL_FREESCALE_ESCI_D_BUFSIZE { + display "Buffer size for the sSCI port A driver" + flavor data + legal_values 0 to 8192 + default_value 128 + description " + This option specifies the size of the internal buffers used + for the eSCI port D." + } + + cdl_option CYGNUM_IO_SERIAL_FREESCALE_ESCI_D_INT_PRIORITY { + display "eSCI prot B INTC priority" + flavor data + legal_values 0 to 15 + default_value 6 + description " + INTC has 16 interrupt levels: 0 (lowest) to 15 (highest). + " + } + } + + + cdl_component CYGPKG_IO_SERIAL_FREESCALE_ESCI_OPTIONS { + display "Serial device driver build options" + flavor none + description " + Package specific build options including control over + compiler flags used only in building this package, + and details of which tests are built." + + + cdl_option CYGPKG_IO_SERIAL_FREESCALE_ESCI_CFLAGS_ADD { + display "Additional compiler flags" + flavor data + no_define + default_value { "" } + description " + This option modifies the set of compiler flags for + building these serial device drivers. These flags are + used in addition to the set of global flags." + } + + cdl_option CYGPKG_IO_SERIAL_FREESCALE_ESCI_CFLAGS_REMOVE { + display "Suppressed compiler flags" + flavor data + no_define + default_value { "" } + description " + This option modifies the set of compiler flags for + building these serial device drivers. These flags are + removed from the set of global flags if present." + } + } +} + +# EOF ser_freescale_esci.cdl
new file mode 100644 --- /dev/null +++ b/packages/devs/serial/freescale/esci/current/cdl/ser_freescale_esci_h.cdl @@ -0,0 +1,66 @@ +# ==================================================================== +# +# ser_freescale_esci_h.cdl +# +# eCos serial Freescale/esci configuration data +# +# ==================================================================== +#####ECOSGPLCOPYRIGHTBEGIN#### +## ------------------------------------------- +## This file is part of eCos, the Embedded Configurable Operating System. +## Copyright (C) 2006 eCosCentric Ltd +## +## 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., +## 59 Temple Place, Suite 330, Boston, MA 02111-1307 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. +## +## 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 Koco <ilijak@siva.com.mk> +# Original data: +# Contributors: +# Date: 2006-05-30 +# +#####DESCRIPTIONEND#### +# +# ==================================================================== + +cdl_package CYGPKG_IO_SERIAL_FREESCALE_ESCI_H { + display "eSCI header" + + include_dir cyg/devs + description " + This option provides header for Freescale eSCI - Enhanced + Serial Communication Interface. eSCI is on-chip serial + controller found on some Freescale micro controllers such as: + MAC7100 familly, etc. " + + define_proc { + puts $::cdl_system_header "/***** serial driver proc output start *****/" + puts $::cdl_system_header "#define CYGDAT_IO_SERIAL_DEVICE_HEADER <pkgconf/io_serial_freescale_esci.h>" + puts $::cdl_system_header "/***** serial driver proc output end *****/" + } +} + +# EOF ser_freescale_esci_h.cdl
new file mode 100644 --- /dev/null +++ b/packages/devs/serial/freescale/esci/current/include/ser_esci.h @@ -0,0 +1,144 @@ +#ifndef CYGONCE_DEVS_SERIAL_FREESCALE_ESCI_H +#define CYGONCE_DEVS_SERIAL_FREESCALE_ESCI_H +//========================================================================== +// +// ser_esci.h +// +// Freescale eSCI Serial I/O definitions. +// +//========================================================================== +//####ECOSGPLCOPYRIGHTBEGIN#### +// ------------------------------------------- +// This file is part of eCos, the Embedded Configurable Operating System. +// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. +// Copyright (C) eCosCentric Ltd +// +// 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., +// 59 Temple Place, Suite 330, Boston, MA 02111-1307 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. +// +// 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 Koco <ilijak@siva.com.mk> +// Contributors: +// Date: 2006-04-20 +// Purpose: eSCI Serial I/O definitions. +// Description: +// +// +//####DESCRIPTIONEND#### +//========================================================================== + +#define CYGNUM_DEV_SER_FREESCALE_ESCI_SYSTEM_CLOCK \ + (CYGNUM_HAL_ARM_MAC7100_CLOCK_SPEED/2) +#define FREESCALE_ESCI_BAUD(baud_rate) \ + ((CYGNUM_DEV_SER_FREESCALE_ESCI_SYSTEM_CLOCK)/(baud_rate*16)) + +#define FREESCALE_ESCI_A_BASE (CYGADDR_IO_SERIAL_FREESCALE_ESCI_A_BASE) +#define FREESCALE_ESCI_B_BASE (CYGADDR_IO_SERIAL_FREESCALE_ESCI_B_BASE) +#define FREESCALE_ESCI_C_BASE (CYGADDR_IO_SERIAL_FREESCALE_ESCI_C_BASE) +#define FREESCALE_ESCI_D_BASE (CYGADDR_IO_SERIAL_FREESCALE_ESCI_D_BASE) + +#define FREESCALE_ESCI_A_I 0 +#define FREESCALE_ESCI_B_I 1 +#define FREESCALE_ESCI_C_I 2 +#define FREESCALE_ESCI_D_I 3 + +#define FREESCALE_ESCI_BD(esci_base) \ + (esci_base + FREESCALE_ESCI_BD_OFFSET) //short +#define FREESCALE_ESCI_CR12(esci_base) \ + (esci_base + FREESCALE_ESCI_CR12_OFFSET) //short +#define FREESCALE_ESCI_CR34(esci_base) \ + (esci_base + FREESCALE_ESCI_CR34_OFFSET) //short +#define FREESCALE_ESCI_CR1(esci_base) \ + (esci_base + FREESCALE_ESCI_CR1_OFFSET) //char +#define FREESCALE_ESCI_CR2(esci_base) \ + (esci_base + FREESCALE_ESCI_CR2_OFFSET) //char +#define FREESCALE_ESCI_CR3(esci_base) \ + (esci_base + FREESCALE_ESCI_CR3_OFFSET) //char +#define FREESCALE_ESCI_CR4(esci_base) \ + (esci_base + FREESCALE_ESCI_CR4_OFFSET) //short +#define FREESCALE_ESCI_LINCTRL(esci_base) \ + (esci_base + FREESCALE_ESCI_LINCTRL_OFFSET) //short +#define FREESCALE_ESCI_LINCRCP(esci_base) \ + (esci_base + FREESCALE_ESCI_LINCRCP_OFFSET) //short +#define FREESCALE_ESCI_SR(esci_base) \ + (esci_base + FREESCALE_ESCI_SR_OFFSET) //short +#define FREESCALE_ESCI_DRL(esci_base) \ + (esci_base + FREESCALE_ESCI_DRL_OFFSET) //char + +#define FREESCALE_ESCI_BD_OFFSET (0x0000) +#define FREESCALE_ESCI_CR12_OFFSET (0x0002) +#define FREESCALE_ESCI_CR34_OFFSET (0x0002) +#define FREESCALE_ESCI_CR1_OFFSET (0x0002) +#define FREESCALE_ESCI_CR2_OFFSET (0x0003) +#define FREESCALE_ESCI_CR3_OFFSET (0x0004) +#define FREESCALE_ESCI_CR4_OFFSET (0x0005) +#define FREESCALE_ESCI_DRL_OFFSET (0x0007) +#define FREESCALE_ESCI_SR_OFFSET (0x0008) +#define FREESCALE_ESCI_LINSTAT_OFFSET (0x000A) +#define FREESCALE_ESCI_LINCTRL_OFFSET (0x000C) +#define FREESCALE_ESCI_LINRX_OFFSET (0x0010) +#define FREESCALE_ESCI_LINTX_OFFSET (0x0014) +#define FREESCALE_ESCI_LINCRCP_OFFSET (0x0018) + +#define FREESCALE_ESCI_CR12_LOOPS (0x8000) +#define FREESCALE_ESCI_CR12_SCISDOZ (0x4000) +#define FREESCALE_ESCI_CR12_RSRC (0x2000) +#define FREESCALE_ESCI_CR12_M (0x1000) +#define FREESCALE_ESCI_CR12_WAKE (0x0800) +#define FREESCALE_ESCI_CR12_ILT (0x0400) +#define FREESCALE_ESCI_CR12_PE (0x0200) +#define FREESCALE_ESCI_CR12_PT (0x0100) +#define FREESCALE_ESCI_CR12_TIE (0x0080) +#define FREESCALE_ESCI_CR12_TCIE (0x0040) +#define FREESCALE_ESCI_CR12_RIE (0x0020) +#define FREESCALE_ESCI_CR12_ILIE (0x0010) +#define FREESCALE_ESCI_CR12_TE (0x0008) +#define FREESCALE_ESCI_CR12_RE (0x0004) +#define FREESCALE_ESCI_CR12_RWU (0x0002) +#define FREESCALE_ESCI_CR12_SBK (0x0001) + +#define FREESCALE_ESCI_CR3_MDIS (0x80) +#define FREESCALE_ESCI_CR3_FBR (0x40) +#define FREESCALE_ESCI_CR3_BSTP (0x20) +#define FREESCALE_ESCI_CR3_IEBERR (0x10) +#define FREESCALE_ESCI_CR3_RXDMA (0x08) +#define FREESCALE_ESCI_CR3_TXDMA (0x04) +#define FREESCALE_ESCI_CR3_BRK13 (0x02) +#define FREESCALE_ESCI_CR3_TXDIR (0x01) + +#define FREESCALE_ESCI_SR_TDRE (0x8000) +#define FREESCALE_ESCI_SR_TC (0x4000) +#define FREESCALE_ESCI_SR_RDRF (0x2000) +#define FREESCALE_ESCI_SR_IDLE (0x1000) +#define FREESCALE_ESCI_SR_OR (0x0800) +#define FREESCALE_ESCI_SR_NF (0x0400) +#define FREESCALE_ESCI_SR_FE (0x0200) +#define FREESCALE_ESCI_SR_PF (0x0100) +#define FREESCALE_ESCI_SR_BERR (0x0010) +#define FREESCALE_ESCI_SR_RAF (0x0001) + +#endif // CYGONCE_DEVS_SERIAL_FREESCALE_ESCI_H +// EOF ser_esci.h
new file mode 100644 --- /dev/null +++ b/packages/devs/serial/freescale/esci/current/src/ser_esci.c @@ -0,0 +1,547 @@ +//========================================================================== +// +// ser_esci.c +// +// Freescale sSCI Serial I/O Interface Module (interrupt driven) +// +//========================================================================== +//####ECOSGPLCOPYRIGHTBEGIN#### +// ------------------------------------------- +// This file is part of eCos, the Embedded Configurable Operating System. +// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. +// Copyright (C) 2996 eCosCentric Ltd +// +// 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., +// 59 Temple Place, Suite 330, Boston, MA 02111-1307 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. +// +// 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 Koco <ilijak@siva.com.mk> +// Contributors: +// Date: 2006-04-20 +// Purpose: eSCI Serial I/O module (interrupt driven version) +// Description: +// +// +//####DESCRIPTIONEND#### +//========================================================================== +#include <pkgconf/io_serial.h> +#include <pkgconf/io.h> + +#include <cyg/io/io.h> +#include <cyg/hal/hal_intr.h> +#include <cyg/hal/hal_arbiter.h> +#include <cyg/hal/var_io.h> +#include <cyg/io/devtab.h> +#include <cyg/infra/diag.h> +#include <cyg/io/serial.h> +#include <cyg/devs/ser_esci.h> + +// Only build this driver for if ESCI is needed. +#ifdef CYGPKG_IO_SERIAL_FREESCALE_ESCI + +typedef struct esci_serial_info { + CYG_ADDRWORD esci_base; // Base address of the esci port + CYG_WORD interrupt_num; // INTC interrupt vector + cyg_priority_t interrupt_priority; // INTC interupt priority + cyg_interrupt interrupt_obj; // Interrupt object + cyg_handle_t interrupt_handle; // Interrupt handle +} esci_serial_info; + +static bool esci_serial_init(struct cyg_devtab_entry * tab); +static bool esci_serial_putc(serial_channel * chan, unsigned char c); +static Cyg_ErrNo esci_serial_lookup(struct cyg_devtab_entry ** tab, + struct cyg_devtab_entry * sub_tab, + const char * name); +static unsigned char esci_serial_getc(serial_channel *chan); +static Cyg_ErrNo esci_serial_set_config(serial_channel *chan, cyg_uint32 key, + const void *xbuf, cyg_uint32 *len); +static void esci_serial_start_xmit(serial_channel *chan); +static void esci_serial_stop_xmit(serial_channel *chan); + +// Interrupt servers +static cyg_uint32 esci_serial_ISR(cyg_vector_t vector, cyg_addrword_t data); +static void esci_serial_DSR(cyg_vector_t vector, cyg_ucount32 count, + cyg_addrword_t data); + +static SERIAL_FUNS(esci_serial_funs, + esci_serial_putc, + esci_serial_getc, + esci_serial_set_config, + esci_serial_start_xmit, + esci_serial_stop_xmit); + +// Available baud rates +static unsigned short select_baud[] = { + 0, // Unused + 0, // 50 bps unsupported + 0, // 75 bps unsupported + 0, // 110 bps unsupported + 0, // 134_5 bps unsupported + 0, // 150 bps unsupported + 0, // 200 bps unsupported + FREESCALE_ESCI_BAUD(300), // 300 bps + FREESCALE_ESCI_BAUD(600), // 600 bps + FREESCALE_ESCI_BAUD(1200), // 1200 bps + 0, // 1800 bps unsupported + FREESCALE_ESCI_BAUD(2400), // 2400 bps + 0, // 3600 bps unsupported + FREESCALE_ESCI_BAUD(4800), // 4800 bps + 0, // 7200 bps unsupported + FREESCALE_ESCI_BAUD(9600), // 9600 bps + FREESCALE_ESCI_BAUD(14400), // 14400 bps + FREESCALE_ESCI_BAUD(19200), // 19200 bps + FREESCALE_ESCI_BAUD(38400), // 38400 bps + FREESCALE_ESCI_BAUD(57600), // 57600 bps + FREESCALE_ESCI_BAUD(115200), // 115200 bps + 0 // 230400 bps unsupported +}; + +#if defined CYGPKG_IO_SERIAL_FREESCALE_ESCI_A +static esci_serial_info esci_serial_info0 = { + esci_base : CYGADDR_IO_SERIAL_FREESCALE_ESCI_A_BASE, + interrupt_num : CYGNUM_IO_SERIAL_FREESCALE_ESCI_A_INT_VECTOR, + interrupt_priority : CYGNUM_IO_SERIAL_FREESCALE_ESCI_A_INT_PRIORITY +}; +#if CYGNUM_IO_SERIAL_FREESCALE_ESCI_A_BUFSIZE > 0 +static unsigned char + esci_serial_out_buf0[CYGNUM_IO_SERIAL_FREESCALE_ESCI_A_BUFSIZE]; +static unsigned char + esci_serial_in_buf0[CYGNUM_IO_SERIAL_FREESCALE_ESCI_A_BUFSIZE]; + +static +SERIAL_CHANNEL_USING_INTERRUPTS( + esci_serial_channel0, + esci_serial_funs, + esci_serial_info0, + CYG_SERIAL_BAUD_RATE(CYGNUM_IO_SERIAL_FREESCALE_ESCI_A_BAUD), + CYG_SERIAL_STOP_DEFAULT, + CYG_SERIAL_PARITY_DEFAULT, + CYG_SERIAL_WORD_LENGTH_DEFAULT, + CYG_SERIAL_FLAGS_DEFAULT, + &esci_serial_out_buf0[0], + sizeof(esci_serial_out_buf0), + &esci_serial_in_buf0[0], + sizeof(esci_serial_in_buf0)); +#else +static +SERIAL_CHANNEL(esci_serial_channel0, + esci_serial_funs, + esci_serial_info0, + CYG_SERIAL_BAUD_RATE(CYGNUM_IO_SERIAL_FREESCALE_ESCI_A_BAUD), + CYG_SERIAL_STOP_DEFAULT, + CYG_SERIAL_PARITY_DEFAULT, + CYG_SERIAL_WORD_LENGTH_DEFAULT, + CYG_SERIAL_FLAGS_DEFAULT); +#endif +DEVTAB_ENTRY(esci_serial_io0, + CYGDAT_IO_SERIAL_FREESCALE_ESCI_A_NAME, + 0, // does not depend on a lower level device driver + &cyg_io_serial_devio, + esci_serial_init, + esci_serial_lookup, + &esci_serial_channel0); +#endif // ifdef CYGPKG_IO_SERIAL_FREESCALE_ESCI_A + +#if defined CYGPKG_IO_SERIAL_FREESCALE_ESCI_B +static esci_serial_info esci_serial_info1 = { + esci_base : CYGADDR_IO_SERIAL_FREESCALE_ESCI_B_BASE, + interrupt_num : CYGNUM_IO_SERIAL_FREESCALE_ESCI_B_INT_VECTOR, + interrupt_priority : CYGNUM_IO_SERIAL_FREESCALE_ESCI_B_INT_PRIORITY +}; +#if CYGNUM_IO_SERIAL_FREESCALE_ESCI_B_BUFSIZE > 0 +static unsigned char + esci_serial_out_buf1[CYGNUM_IO_SERIAL_FREESCALE_ESCI_B_BUFSIZE]; +static unsigned char + esci_serial_in_buf1[CYGNUM_IO_SERIAL_FREESCALE_ESCI_B_BUFSIZE]; + +static +SERIAL_CHANNEL_USING_INTERRUPTS(esci_serial_channel1, + esci_serial_funs, + esci_serial_info1, + CYG_SERIAL_BAUD_RATE(CYGNUM_IO_SERIAL_FREESCALE_ESCI_B_BAUD), + CYG_SERIAL_STOP_DEFAULT, + CYG_SERIAL_PARITY_DEFAULT, + CYG_SERIAL_WORD_LENGTH_DEFAULT, + CYG_SERIAL_FLAGS_DEFAULT, + &esci_serial_out_buf1[0], + sizeof(esci_serial_out_buf1), + &esci_serial_in_buf1[0], + sizeof(esci_serial_in_buf1)); +#else +static +SERIAL_CHANNEL(esci_serial_channel1, + esci_serial_funs, + esci_serial_info1, + CYG_SERIAL_BAUD_RATE(CYGNUM_IO_SERIAL_FREESCALE_ESCI_B_BAUD), + CYG_SERIAL_STOP_DEFAULT, + CYG_SERIAL_PARITY_DEFAULT, + CYG_SERIAL_WORD_LENGTH_DEFAULT, + CYG_SERIAL_FLAGS_DEFAULT); +#endif +DEVTAB_ENTRY(esci_serial_io1, + CYGDAT_IO_SERIAL_FREESCALE_ESCI_B_NAME, + 0, // does not depend on a lower level device driver + &cyg_io_serial_devio, + esci_serial_init, + esci_serial_lookup, + &esci_serial_channel1); +#endif // ifdef CYGPKG_IO_SERIAL_FREESCALE_ESCI_B + +#if defined CYGPKG_IO_SERIAL_FREESCALE_ESCI_C +static esci_serial_info esci_serial_info2 = { + esci_base : CYGADDR_IO_SERIAL_FREESCALE_ESCI_C_BASE, + interrupt_num : CYGNUM_IO_SERIAL_FREESCALE_ESCI_C_INT_VECTOR, + interrupt_priority : CYGNUM_IO_SERIAL_FREESCALE_ESCI_C_INT_PRIORITY +}; +#if CYGNUM_IO_SERIAL_FREESCALE_ESCI_C_BUFSIZE > 0 +static unsigned char + esci_serial_out_buf2[CYGNUM_IO_SERIAL_FREESCALE_ESCI_C_BUFSIZE]; +static unsigned char + esci_serial_in_buf2[CYGNUM_IO_SERIAL_FREESCALE_ESCI_C_BUFSIZE]; + +static +SERIAL_CHANNEL_USING_INTERRUPTS(esci_serial_channel2, + esci_serial_funs, + esci_serial_info2, + CYG_SERIAL_BAUD_RATE(CYGNUM_IO_SERIAL_FREESCALE_ESCI_C_BAUD), + CYG_SERIAL_STOP_DEFAULT, + CYG_SERIAL_PARITY_DEFAULT, + CYG_SERIAL_WORD_LENGTH_DEFAULT, + CYG_SERIAL_FLAGS_DEFAULT, + &esci_serial_out_buf2[0], + sizeof(esci_serial_out_buf2), + &esci_serial_in_buf2[0], + sizeof(esci_serial_in_buf2)); +#else +static +SERIAL_CHANNEL(esci_serial_channel2, + esci_serial_funs, + esci_serial_info2, + CYG_SERIAL_BAUD_RATE(CYGNUM_IO_SERIAL_FREESCALE_ESCI_C_BAUD), + CYG_SERIAL_STOP_DEFAULT, + CYG_SERIAL_PARITY_DEFAULT, + CYG_SERIAL_WORD_LENGTH_DEFAULT, + CYG_SERIAL_FLAGS_DEFAULT); +#endif +DEVTAB_ENTRY(esci_serial_io2, + CYGDAT_IO_SERIAL_FREESCALE_ESCI_C_NAME, + 0, // does not depend on a lower level device driver + &cyg_io_serial_devio, + esci_serial_init, + esci_serial_lookup, + &esci_serial_channel2); +#endif // ifdef CYGPKG_IO_SERIAL_FREESCALE_ESCI_C + + +#if defined CYGPKG_IO_SERIAL_FREESCALE_ESCI_D +static esci_serial_info esci_serial_info3 = { + esci_base : CYGADDR_IO_SERIAL_FREESCALE_ESCI_D_BASE, + interrupt_num : CYGNUM_IO_SERIAL_FREESCALE_ESCI_D_INT_VECTOR, + interrupt_priority : CYGNUM_IO_SERIAL_FREESCALE_ESCI_D_INT_PRIORITY +}; +#if CYGNUM_IO_SERIAL_FREESCALE_ESCI_D_BUFSIZE > 0 +static unsigned char + esci_serial_out_buf3[CYGNUM_IO_SERIAL_FREESCALE_ESCI_D_BUFSIZE]; +static unsigned char + esci_serial_in_buf3[CYGNUM_IO_SERIAL_FREESCALE_ESCI_D_BUFSIZE]; + +static +SERIAL_CHANNEL_USING_INTERRUPTS(esci_serial_channel3, + esci_serial_funs, + esci_serial_info3, + CYG_SERIAL_BAUD_RATE(CYGNUM_IO_SERIAL_FREESCALE_ESCI_D_BAUD), + CYG_SERIAL_STOP_DEFAULT, + CYG_SERIAL_PARITY_DEFAULT, + CYG_SERIAL_WORD_LENGTH_DEFAULT, + CYG_SERIAL_FLAGS_DEFAULT, + &esci_serial_out_buf3[0], + sizeof(esci_serial_out_buf3), + &esci_serial_in_buf3[0], + sizeof(esci_serial_in_buf3)); +#else +static +SERIAL_CHANNEL(esci_serial_channel3, + esci_serial_funs, + esci_serial_info3, + CYG_SERIAL_BAUD_RATE(CYGNUM_IO_SERIAL_FREESCALE_ESCI_D_BAUD), + CYG_SERIAL_STOP_DEFAULT, + CYG_SERIAL_PARITY_DEFAULT, + CYG_SERIAL_WORD_LENGTH_DEFAULT, + CYG_SERIAL_FLAGS_DEFAULT); +#endif +DEVTAB_ENTRY(esci_serial_io3, + CYGDAT_IO_SERIAL_FREESCALE_ESCI_D_NAME, + 0, // does not depend on a lower level device driver + &cyg_io_serial_devio, + esci_serial_init, + esci_serial_lookup, + &esci_serial_channel3); +#endif // ifdef CYGPKG_IO_SERIAL_FREESCALE_ESCI_D + +//---------------------------------------------------------------------------- +// Internal function to actually configure the hardware to desired +// baud rate, etc. +//---------------------------------------------------------------------------- +static bool +esci_serial_config_port(serial_channel * chan, cyg_serial_info_t * new_config, + bool init) +{ + esci_serial_info * esci_chan = (esci_serial_info *)(chan->dev_priv); + cyg_addrword_t esci_base = esci_chan->esci_base; + cyg_uint16 baud_rate = ((new_config->baud >= 0) && + (new_config->baud < (sizeof(select_baud)/ + sizeof(select_baud[0])))) + ? select_baud[new_config->baud] : 0; + + cyg_uint16 esci_cr12=0, esci_cr12_old; + + HAL_WRITE_UINT8(FREESCALE_ESCI_CR3(esci_base), 0); + HAL_WRITE_UINT16(FREESCALE_ESCI_LINCTRL(esci_base), 0); + HAL_WRITE_UINT16(FREESCALE_ESCI_CR12(esci_base), 0); + + if(!baud_rate) return false; // Invalid baud rate selected + + switch(new_config->word_length){ + case 8: break; + default: return false; + } + + switch(new_config->parity){ + case CYGNUM_SERIAL_PARITY_ODD: + esci_cr12 |= FREESCALE_ESCI_CR12_PT; + case CYGNUM_SERIAL_PARITY_EVEN: + esci_cr12 |= FREESCALE_ESCI_CR12_PE; + case CYGNUM_SERIAL_PARITY_NONE: + break; + default: return false; + } + + if(new_config->stop!=CYGNUM_SERIAL_STOP_1) return false; + + // Enable the device + esci_cr12 |= FREESCALE_ESCI_CR12_TE | FREESCALE_ESCI_CR12_RE; + + if(init){ // Enable the receiver interrupt + esci_cr12 |= FREESCALE_ESCI_CR12_RIE; + }else{ // Restore the old interrupt state + HAL_READ_UINT16(FREESCALE_ESCI_CR12(esci_base), esci_cr12_old); + esci_cr12 |= (esci_cr12_old & FREESCALE_ESCI_CR12_RIE); + } + HAL_WRITE_UINT16(FREESCALE_ESCI_CR12(esci_base), esci_cr12); + + if(new_config != &chan->config) + chan->config = *new_config; + + return true; +} + +//-------------------------------------------------------------- +// Function to initialize the device. Called at bootstrap time. +//-------------------------------------------------------------- +static bool +esci_serial_init(struct cyg_devtab_entry * tab) +{ + serial_channel * chan = (serial_channel *)tab->priv; + esci_serial_info * esci_chan = (esci_serial_info *)chan->dev_priv; + + // Really only required for interrupt driven devices + (chan->callbacks->serial_init)(chan); + if(chan->out_cbuf.len != 0){ + cyg_drv_interrupt_create(esci_chan->interrupt_num, + esci_chan->interrupt_priority, + // Data item passed to interrupt handler + (cyg_addrword_t)chan, + esci_serial_ISR, + esci_serial_DSR, + &esci_chan->interrupt_handle, + &esci_chan->interrupt_obj); + + cyg_drv_interrupt_attach(esci_chan->interrupt_handle); + cyg_drv_interrupt_unmask(esci_chan->interrupt_num); + } + return esci_serial_config_port(chan, &chan->config, true); +} + +//---------------------------------------------------------------------- +// This routine is called when the device is "looked" up (i.e. attached) +//---------------------------------------------------------------------- +static Cyg_ErrNo +esci_serial_lookup(struct cyg_devtab_entry ** tab, + struct cyg_devtab_entry * sub_tab, const char * name) +{ + serial_channel * chan = (serial_channel *)(*tab)->priv; + // Really only required for interrupt driven devices + (chan->callbacks->serial_init)(chan); + + return ENOERR; +} + +//----------------------------------------------------------------- +// Send a character to Tx +//----------------------------------------------------------------- +static bool +esci_serial_putc(serial_channel * chan, unsigned char ch_out) +{ + esci_serial_info * esci_chan = (esci_serial_info *)chan->dev_priv; + cyg_addrword_t esci_base = esci_chan->esci_base; + cyg_uint16 esci_sr; + + HAL_READ_UINT16(FREESCALE_ESCI_SR(esci_base), esci_sr); + if(esci_sr & FREESCALE_ESCI_SR_TDRE){ + HAL_WRITE_UINT16(FREESCALE_ESCI_SR(esci_base), FREESCALE_ESCI_SR_TDRE); + HAL_WRITE_UINT8(FREESCALE_ESCI_DRL(esci_base), ch_out); + return true; + }else + return false; +} + +//--------------------------------------------------------------------- +// Fetch a character Rx (for polled operation only) +//--------------------------------------------------------------------- +static unsigned char +esci_serial_getc(serial_channel * chan) +{ + cyg_uint8 ch_in; + esci_serial_info * esci_chan = (esci_serial_info *)chan->dev_priv; + cyg_addrword_t esci_base = esci_chan->esci_base; + + cyg_uint16 esci_sr; + + do{ + HAL_READ_UINT16(FREESCALE_ESCI_SR(esci_base), esci_sr); + }while(esci_sr & FREESCALE_ESCI_SR_RDRF); + + HAL_READ_UINT8(FREESCALE_ESCI_DRL(esci_base), ch_in); + HAL_WRITE_UINT16(FREESCALE_ESCI_SR(esci_base), FREESCALE_ESCI_SR_RDRF); + + return ch_in; +} + +//--------------------------------------------------- +// Set up the device characteristics; baud rate, etc. +//--------------------------------------------------- +static bool +esci_serial_set_config(serial_channel * chan, cyg_uint32 key, + const void *xbuf, cyg_uint32 * len) +{ + switch(key) { + case CYG_IO_SET_CONFIG_SERIAL_INFO:{ + cyg_serial_info_t *config = (cyg_serial_info_t *)xbuf; + if(*len < sizeof(cyg_serial_info_t)) { + return -EINVAL; + } + *len = sizeof(cyg_serial_info_t); + if(true != esci_serial_config_port(chan, config, false)) + return -EINVAL; + } + break; + default: + return -EINVAL; + } + return ENOERR; +} + +//------------------------------------- +// Enable the transmitter on the device +//------------------------------------- +static void esci_serial_start_xmit(serial_channel * chan) +{ + esci_serial_info * esci_chan = (esci_serial_info *)chan->dev_priv; + cyg_addrword_t esci_base = esci_chan->esci_base; + cyg_uint16 esci_cr12; + + HAL_READ_UINT16(FREESCALE_ESCI_CR12(esci_base), esci_cr12); + esci_cr12 |= FREESCALE_ESCI_CR12_TIE; + HAL_WRITE_UINT16(FREESCALE_ESCI_CR12(esci_base), esci_cr12); +} + +//-------------------------------------- +// Disable the transmitter on the device +//-------------------------------------- +static void esci_serial_stop_xmit(serial_channel * chan) +{ + esci_serial_info * esci_chan = (esci_serial_info *)chan->dev_priv; + + cyg_addrword_t esci_base = esci_chan->esci_base; + cyg_uint16 esci_cr12; + + HAL_READ_UINT16(FREESCALE_ESCI_CR12(esci_base), esci_cr12); + esci_cr12 &= ~FREESCALE_ESCI_CR12_TIE; + HAL_WRITE_UINT16(FREESCALE_ESCI_CR12(esci_base), esci_cr12); +} + +//----------------------------------------- +// The low level interrupt handler +//----------------------------------------- +static +cyg_uint32 esci_serial_ISR(cyg_vector_t vector, cyg_addrword_t data) +{ + serial_channel * chan = (serial_channel *)data; + esci_serial_info * esci_chan = (esci_serial_info *)chan->dev_priv; + + cyg_drv_interrupt_mask(esci_chan->interrupt_num); + cyg_drv_interrupt_acknowledge(esci_chan->interrupt_num); + + return CYG_ISR_CALL_DSR; // cause the DSR to run +} + + +//------------------------------------------ +// The high level interrupt handler +//------------------------------------------ + +#define FREESCALE_ESCI_SR_ERRORS (FREESCALE_ESCI_SR_OR | \ + FREESCALE_ESCI_SR_NF | \ + FREESCALE_ESCI_SR_FE | \ + FREESCALE_ESCI_SR_PF) + +static void +esci_serial_DSR(cyg_vector_t vector, cyg_ucount32 count, cyg_addrword_t data) +{ + serial_channel * chan = (serial_channel *)data; + esci_serial_info * esci_chan = (esci_serial_info *)chan->dev_priv; + cyg_addrword_t esci_base = esci_chan->esci_base; + cyg_uint16 esci_sr; + cyg_uint8 esci_dr; + + HAL_READ_UINT16(FREESCALE_ESCI_SR(esci_base), esci_sr); + if(esci_sr & FREESCALE_ESCI_SR_RDRF){ // Receiver full + HAL_READ_UINT8(FREESCALE_ESCI_DRL(esci_base), esci_dr); + HAL_WRITE_UINT16(FREESCALE_ESCI_SR(esci_base), FREESCALE_ESCI_SR_RDRF); + if(esci_sr &= (cyg_uint16)FREESCALE_ESCI_SR_ERRORS){ + HAL_WRITE_UINT16(FREESCALE_ESCI_SR(esci_base), esci_sr); + }else{ + (chan->callbacks->rcv_char)(chan, (cyg_uint8)esci_dr); + } + }else if(esci_sr & FREESCALE_ESCI_SR_TDRE){ //Transmitter empty + (chan->callbacks->xmt_char)(chan); + } + + cyg_drv_interrupt_unmask(esci_chan->interrupt_num); +} + +#endif // CYGPKG_IO_SERIAL_FREESCALE_ESCI_[ABCD] +// EOF ser_esci.c