import ChibiOS 2.0.8
This commit is contained in:
132
ChibiOS_2.0.8/os/hal/platforms/SPC56x/hal_lld.c
Normal file
132
ChibiOS_2.0.8/os/hal/platforms/SPC56x/hal_lld.c
Normal file
@@ -0,0 +1,132 @@
|
||||
/*
|
||||
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
|
||||
|
||||
This file is part of ChibiOS/RT.
|
||||
|
||||
ChibiOS/RT 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 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
ChibiOS/RT 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, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
---
|
||||
|
||||
A special exception to the GPL can be applied should you wish to distribute
|
||||
a combined work that includes ChibiOS/RT, without being obliged to provide
|
||||
the source code for any proprietary components. See the file exception.txt
|
||||
for full details of how and when the exception can be applied.
|
||||
*/
|
||||
|
||||
/**
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||||
* @file SPC56x/hal_lld.c
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* @brief SPC563 HAL subsystem low level driver source.
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*
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* @addtogroup SPC563_HAL
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* @{
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*/
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||||
#include "ch.h"
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#include "hal.h"
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||||
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||||
/*===========================================================================*/
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||||
/* Driver exported variables. */
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||||
/*===========================================================================*/
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||||
|
||||
/*===========================================================================*/
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||||
/* Driver local variables. */
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||||
/*===========================================================================*/
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||||
|
||||
/*===========================================================================*/
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||||
/* Driver local functions. */
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||||
/*===========================================================================*/
|
||||
|
||||
/*===========================================================================*/
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||||
/* Driver interrupt handlers. */
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||||
/*===========================================================================*/
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||||
|
||||
/*===========================================================================*/
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||||
/* Driver exported functions. */
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||||
/*===========================================================================*/
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||||
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||||
/**
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* @brief Low level HAL driver initialization.
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*/
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void hal_lld_init(void) {
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extern void _vectors(void);
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uint32_t n;
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/* Enables the branch prediction, clears and enables the BTB into the
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BUCSR special register (1013).*/
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asm volatile ("li %%r3, 0x0201 \t\n"
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"mtspr 1013, %%r3": : : "r3");
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/* FLASH wait states and prefetching setup.*/
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CFLASH0.BIUCR.R = SPC563_FLASH_BIUCR | SPC563_FLASH_WS;
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CFLASH0.BIUCR2.R = 0;
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CFLASH0.PFCR3.R = 0;
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/* Optimal crossbar settings. The DMA priority is placed above the CPU
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||||
priority in order to not starve I/O activities while the CPU is
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excuting tight loops (FLASH and SRAM slave ports only).
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The SRAM is parked on the load/store port, for some unknown reason it
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is defaulted on the instructions port and this kills performance.*/
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XBAR.SGPCR3.B.PARK = 4; /* RAM slave on load/store port.*/
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XBAR.MPR0.R = 0x00030201; /* Flash slave port priorities:
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eDMA (1): 0 (highest)
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Core Instructions (0): 1
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Undocumented (2): 2
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Core Data (4): 3 */
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XBAR.MPR3.R = 0x00030201; /* SRAM slave port priorities:
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eDMA (1): 0 (highest)
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Core Instructions (0): 1
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Undocumented (2): 2
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Core Data (4): 3 */
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/* Downcounter timer initialized for system tick use, TB enabled for debug
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and measurements.*/
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n = SPC563_SYSCLK / CH_FREQUENCY;
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asm volatile ("li %%r3, 0 \t\n"
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"mtspr 284, %%r3 \t\n" /* Clear TBL register. */
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"mtspr 285, %%r3 \t\n" /* Clear TBU register. */
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"mtspr 22, %[n] \t\n" /* Init. DEC register. */
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"mtspr 54, %[n] \t\n" /* Init. DECAR register.*/
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"li %%r3, 0x4000 \t\n" /* TBEN bit. */
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"mtspr 1008, %%r3 \t\n" /* HID0 register. */
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"lis %%r3, 0x0440 \t\n" /* DIE ARE bits. */
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"mtspr 340, %%r3" /* TCR register. */
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: : [n] "r" (n) : "r3");
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/* INTC initialization, software vector mode, 4 bytes vectors, starting
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at priority 0.*/
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INTC.MCR.R = 0;
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INTC.CPR.R = 0;
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INTC.IACKR.R = (uint32_t)_vectors;
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}
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/**
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* @brief SPC563 clocks and PLL initialization.
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* @note All the involved constants come from the file @p board.h and
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* @p hal_lld.h
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*/
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void spc563_clock_init(void) {
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/* PLL activation.*/
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FMPLL.ESYNCR1.B.EMODE = 1;
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FMPLL.ESYNCR1.B.CLKCFG &= 1; /* Bypass mode, PLL off.*/
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FMPLL.ESYNCR1.B.CLKCFG |= 2; /* PLL on. */
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FMPLL.ESYNCR1.B.EPREDIV = SPC563_CLK_PREDIV;
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FMPLL.ESYNCR1.B.EMFD = SPC563_CLK_MFD;
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FMPLL.ESYNCR2.B.ERFD = SPC563_CLK_RFD;
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while (!FMPLL.SYNSR.B.LOCK)
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;
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FMPLL.ESYNCR1.B.CLKCFG |= 4; /* Clock from the PLL. */
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}
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/** @} */
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||||
231
ChibiOS_2.0.8/os/hal/platforms/SPC56x/hal_lld.h
Normal file
231
ChibiOS_2.0.8/os/hal/platforms/SPC56x/hal_lld.h
Normal file
@@ -0,0 +1,231 @@
|
||||
/*
|
||||
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
|
||||
|
||||
This file is part of ChibiOS/RT.
|
||||
|
||||
ChibiOS/RT 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 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
ChibiOS/RT 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, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
---
|
||||
|
||||
A special exception to the GPL can be applied should you wish to distribute
|
||||
a combined work that includes ChibiOS/RT, without being obliged to provide
|
||||
the source code for any proprietary components. See the file exception.txt
|
||||
for full details of how and when the exception can be applied.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @file SPC56x/hal_lld.h
|
||||
* @brief SPC563 HAL subsystem low level driver header.
|
||||
*
|
||||
* @addtogroup SPC563_HAL
|
||||
* @{
|
||||
*/
|
||||
|
||||
#ifndef _HAL_LLD_H_
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||||
#define _HAL_LLD_H_
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||||
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||||
#include "mpc563m.h"
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||||
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||||
/*===========================================================================*/
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||||
/* Driver constants. */
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||||
/*===========================================================================*/
|
||||
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||||
/**
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||||
* @brief Platform name.
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||||
*/
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||||
#define PLATFORM_NAME "SPC563M64"
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||||
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||||
#define RFD_DIV2 0 /**< Divide VCO frequency by 2. */
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||||
#define RFD_DIV4 1 /**< Divide VCO frequency by 4. */
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||||
#define RFD_DIV8 2 /**< Divide VCO frequency by 8. */
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||||
#define RFD_DIV16 3 /**< Divide VCO frequency by 16.*/
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||||
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||||
/* The following settings are related to the FLASH controller, performance
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||||
and stability depends on them, be careful.*/
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||||
#define BIUCR_BANK1_TOO 0x01000000 /**< Use settings for bank1 too.*/
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||||
#define BIUCR_MASTER7_PREFETCH 0x00800000 /**< Enable master 7 prefetch. */
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||||
#define BIUCR_MASTER6_PREFETCH 0x00400000 /**< Enable master 6 prefetch. */
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||||
#define BIUCR_MASTER5_PREFETCH 0x00200000 /**< Enable master 5 prefetch. */
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||||
#define BIUCR_MASTER4_PREFETCH 0x00100000 /**< Enable master 4 prefetch. */
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||||
#define BIUCR_MASTER3_PREFETCH 0x00080000 /**< Enable master 3 prefetch. */
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||||
#define BIUCR_MASTER2_PREFETCH 0x00040000 /**< Enable master 2 prefetch. */
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||||
#define BIUCR_MASTER1_PREFETCH 0x00020000 /**< Enable master 1 prefetch. */
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||||
#define BIUCR_MASTER0_PREFETCH 0x00010000 /**< Enable master 0 prefetch. */
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||||
#define BIUCR_APC_MASK 0x0000E000 /**< APC field mask. */
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||||
#define BIUCR_APC_0 (0 << 13) /**< No additional hold cycles. */
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||||
#define BIUCR_APC_1 (1 << 13) /**< 1 additional hold cycle. */
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#define BIUCR_APC_2 (2 << 13) /**< 2 additional hold cycles. */
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#define BIUCR_APC_3 (3 << 13) /**< 3 additional hold cycles. */
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||||
#define BIUCR_APC_4 (4 << 13) /**< 4 additional hold cycles. */
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#define BIUCR_APC_5 (5 << 13) /**< 5 additional hold cycles. */
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#define BIUCR_APC_6 (6 << 13) /**< 6 additional hold cycles. */
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||||
#define BIUCR_WWSC_MASK 0x00001800 /**< WWSC field mask. */
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||||
#define BIUCR_WWSC_0 (0 << 11) /**< No write wait states. */
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#define BIUCR_WWSC_1 (1 << 11) /**< 1 write wait state. */
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||||
#define BIUCR_WWSC_2 (2 << 11) /**< 2 write wait states. */
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||||
#define BIUCR_WWSC_3 (3 << 11) /**< 3 write wait states. */
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||||
#define BIUCR_RWSC_MASK 0x00001800 /**< RWSC field mask. */
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||||
#define BIUCR_RWSC_0 (0 << 8) /**< No read wait states. */
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#define BIUCR_RWSC_1 (1 << 8) /**< 1 read wait state. */
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#define BIUCR_RWSC_2 (2 << 8) /**< 2 read wait states. */
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||||
#define BIUCR_RWSC_3 (3 << 8) /**< 3 read wait states. */
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||||
#define BIUCR_RWSC_4 (4 << 8) /**< 4 read wait states. */
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||||
#define BIUCR_RWSC_5 (5 << 8) /**< 5 read wait states. */
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||||
#define BIUCR_RWSC_6 (6 << 8) /**< 6 read wait states. */
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||||
#define BIUCR_RWSC_7 (7 << 8) /**< 7 read wait states. */
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||||
#define BIUCR_DPFEN 0x00000040 /**< Data prefetch enable. */
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||||
#define BIUCR_IPFEN 0x00000010 /**< Instr. prefetch enable. */
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||||
#define BIUCR_PFLIM_MASK 0x00000060 /**< PFLIM field mask. */
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||||
#define BIUCR_PFLIM_NO (0 << 1) /**< No prefetching. */
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||||
#define BIUCR_PFLIM_ON_MISS (1 << 1) /**< Prefetch on miss. */
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||||
#define BIUCR_PFLIM_ON_HITMISS (2 << 1) /**< Prefetch on hit and miss. */
|
||||
#define BIUCR_BFEN 0x00000001 /**< Flash buffering enable. */
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver pre-compile time settings. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/**
|
||||
* @brief Clock bypass.
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||||
* @note If set to @p TRUE then the PLL is not started and initialized, the
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||||
* external clock is used as-is and the other clock-related settings
|
||||
* are ignored.
|
||||
*/
|
||||
#if !defined(SPC563_CLK_BYPASS) || defined(__DOXYGEN__)
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||||
#define SPC563_CLK_BYPASS FALSE
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||||
#endif
|
||||
|
||||
/**
|
||||
* @brief Disables the overclock checks.
|
||||
*/
|
||||
#if !defined(SPC563_ALLOW_OVERCLOCK) || defined(__DOXYGEN__)
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||||
#define SPC563_ALLOW_OVERCLOCK FALSE
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @brief External clock pre-divider.
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||||
* @note Must be in range 0...14.
|
||||
* @note The effective divider factor is this value plus one.
|
||||
*/
|
||||
#if !defined(SPC563_CLK_PREDIV) || defined(__DOXYGEN__)
|
||||
#define SPC563_CLK_PREDIV 0
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @brief Multiplication factor divider.
|
||||
* @note Must be in range 32...96.
|
||||
*/
|
||||
#if !defined(SPC563_CLK_MFD) || defined(__DOXYGEN__)
|
||||
#define SPC563_CLK_MFD 40
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @brief Reduced frequency divider.
|
||||
*/
|
||||
#if !defined(SPC563_CLK_RFD) || defined(__DOXYGEN__)
|
||||
#define SPC563_CLK_RFD RFD_DIV4
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @brief Flash buffer and prefetching settings.
|
||||
* @note Please refer to the SPC563M64 reference manual about the meaning
|
||||
* of the following bits, if in doubt DO NOT MODIFY IT.
|
||||
* @note Do not specify the APC, WWSC, RWSC bits in this value because
|
||||
* those are calculated from the system clock and ORed with this
|
||||
* value.
|
||||
*/
|
||||
#if !defined(SPC563_FLASH_BIUCR) || defined(__DOXYGEN__)
|
||||
#define SPC563_FLASH_BIUCR (BIUCR_BANK1_TOO | \
|
||||
BIUCR_MASTER4_PREFETCH | \
|
||||
BIUCR_MASTER0_PREFETCH | \
|
||||
BIUCR_DPFEN | \
|
||||
BIUCR_IPFEN | \
|
||||
BIUCR_PFLIM_ON_MISS | \
|
||||
BIUCR_BFEN)
|
||||
#endif
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Derived constants and error checks. */
|
||||
/*===========================================================================*/
|
||||
|
||||
#if (SPC563_CLK_PREDIV < 0) || (SPC563_CLK_PREDIV > 14)
|
||||
#error "invalid SPC563_CLK_PREDIV value specified"
|
||||
#endif
|
||||
|
||||
#if (SPC563_CLK_MFD < 32) || (SPC563_CLK_MFD > 96)
|
||||
#error "invalid SPC563_CLK_MFD value specified"
|
||||
#endif
|
||||
|
||||
#if (SPC563_CLK_RFD != RFD_DIV2) && (SPC563_CLK_RFD != RFD_DIV4) && \
|
||||
(SPC563_CLK_RFD != RFD_DIV8) && (SPC563_CLK_RFD != RFD_DIV16)
|
||||
#error "invalid SPC563_CLK_RFD value specified"
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @brief PLL output clock.
|
||||
*/
|
||||
#define SPC563_PLLCLK ((EXTCLK / (SPC563_CLK_PREDIV + 1)) * SPC563_CLK_MFD)
|
||||
|
||||
#if (SPC563_PLLCLK < 256000000) || (SPC563_PLLCLK > 512000000)
|
||||
#error "VCO frequency out of the acceptable range (256...512)"
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @brief PLL output clock.
|
||||
*/
|
||||
#if !SPC563_CLK_BYPASS || defined(__DOXYGEN__)
|
||||
#define SPC563_SYSCLK (SPC563_PLLCLK / (1 << (SPC563_CLK_RFD + 1)))
|
||||
#else
|
||||
#define SPC563_SYSCLK EXTCLK
|
||||
#endif
|
||||
|
||||
#if (SPC563_SYSCLK > 80000000) && !SPC563_ALLOW_OVERCLOCK
|
||||
#error "System clock above maximum rated frequency (80MHz)"
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @brief Flash wait states are a function of the system clock.
|
||||
*/
|
||||
#if (SPC563_SYSCLK <= 30000000) || defined(__DOXYGEN__)
|
||||
#define SPC563_FLASH_WS (BIUCR_APC_0 | BIUCR_RWSC_0 | BIUCR_WWSC_1)
|
||||
#elif SPC563_SYSCLK <= 60000000
|
||||
#define SPC563_FLASH_WS (BIUCR_APC_1 | BIUCR_RWSC_1 | BIUCR_WWSC_1)
|
||||
#else
|
||||
#define SPC563_FLASH_WS (BIUCR_APC_2 | BIUCR_RWSC_2 | BIUCR_WWSC_1)
|
||||
#endif
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver data structures and types. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver macros. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/*===========================================================================*/
|
||||
/* External declarations. */
|
||||
/*===========================================================================*/
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
void hal_lld_init(void);
|
||||
void spc563_clock_init(void);
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _HAL_LLD_H_ */
|
||||
|
||||
/** @} */
|
||||
4123
ChibiOS_2.0.8/os/hal/platforms/SPC56x/mpc563m.h
Normal file
4123
ChibiOS_2.0.8/os/hal/platforms/SPC56x/mpc563m.h
Normal file
File diff suppressed because it is too large
Load Diff
48
ChibiOS_2.0.8/os/hal/platforms/SPC56x/platform.dox
Normal file
48
ChibiOS_2.0.8/os/hal/platforms/SPC56x/platform.dox
Normal file
@@ -0,0 +1,48 @@
|
||||
/*
|
||||
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
|
||||
|
||||
This file is part of ChibiOS/RT.
|
||||
|
||||
ChibiOS/RT 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 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
ChibiOS/RT 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, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
---
|
||||
|
||||
A special exception to the GPL can be applied should you wish to distribute
|
||||
a combined work that includes ChibiOS/RT, without being obliged to provide
|
||||
the source code for any proprietary components. See the file exception.txt
|
||||
for full details of how and when the exception can be applied.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @defgroup SPC563_DRIVERS SPC563 Drivers
|
||||
* @brief Device drivers included in the SPC563 support.
|
||||
*
|
||||
* @ingroup PPC
|
||||
*/
|
||||
|
||||
/**
|
||||
* @defgroup SPC563_HAL SPC563 HAL Support
|
||||
* @brief HAL support.
|
||||
*
|
||||
* @ingroup SPC563_DRIVERS
|
||||
*/
|
||||
|
||||
/**
|
||||
* @defgroup SPC563_SERIAL SPC563 ESCI Support
|
||||
* @brief ESCI support.
|
||||
* @details The serial driver supports both the SPC563 ESCIs in asynchronous
|
||||
* mode.
|
||||
*
|
||||
* @ingroup SPC563_DRIVERS
|
||||
*/
|
||||
6
ChibiOS_2.0.8/os/hal/platforms/SPC56x/platform.mk
Normal file
6
ChibiOS_2.0.8/os/hal/platforms/SPC56x/platform.mk
Normal file
@@ -0,0 +1,6 @@
|
||||
# List of all the SPC56x platform files.
|
||||
PLATFORMSRC = ${CHIBIOS}/os/hal/platforms/SPC56x/hal_lld.c \
|
||||
${CHIBIOS}/os/hal/platforms/SPC56x/serial_lld.c
|
||||
|
||||
# Required include directories
|
||||
PLATFORMINC = ${CHIBIOS}/os/hal/platforms/SPC56x
|
||||
302
ChibiOS_2.0.8/os/hal/platforms/SPC56x/serial_lld.c
Normal file
302
ChibiOS_2.0.8/os/hal/platforms/SPC56x/serial_lld.c
Normal file
@@ -0,0 +1,302 @@
|
||||
/*
|
||||
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
|
||||
|
||||
This file is part of ChibiOS/RT.
|
||||
|
||||
ChibiOS/RT 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 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
ChibiOS/RT 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, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
---
|
||||
|
||||
A special exception to the GPL can be applied should you wish to distribute
|
||||
a combined work that includes ChibiOS/RT, without being obliged to provide
|
||||
the source code for any proprietary components. See the file exception.txt
|
||||
for full details of how and when the exception can be applied.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @file SPC56x/serial_lld.c
|
||||
* @brief SPC563 low level serial driver code.
|
||||
*
|
||||
* @addtogroup SPC563_SERIAL
|
||||
* @{
|
||||
*/
|
||||
|
||||
#include "ch.h"
|
||||
#include "hal.h"
|
||||
|
||||
#if CH_HAL_USE_SERIAL || defined(__DOXYGEN__)
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver exported variables. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/**
|
||||
* @brief eSCI-A serial driver identifier.
|
||||
*/
|
||||
#if USE_SPC563_ESCIA || defined(__DOXYGEN__)
|
||||
SerialDriver SD1;
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @brief eSCI-B serial driver identifier.
|
||||
*/
|
||||
#if USE_SPC563_ESCIB || defined(__DOXYGEN__)
|
||||
SerialDriver SD2;
|
||||
#endif
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver local variables. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/**
|
||||
* @brief Driver default configuration.
|
||||
*/
|
||||
static const SerialConfig default_config = {
|
||||
SERIAL_DEFAULT_BITRATE,
|
||||
SD_MODE_NORMAL | SD_MODE_PARITY_NONE
|
||||
};
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver local functions. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/**
|
||||
* @brief eSCI initialization.
|
||||
* @details This function must be invoked with interrupts disabled.
|
||||
*
|
||||
* @param[in] sdp pointer to a @p SerialDriver object
|
||||
* @param[in] config the architecture-dependent serial driver configuration
|
||||
*/
|
||||
static void esci_init(SerialDriver *sdp, const SerialConfig *config) {
|
||||
volatile struct ESCI_tag *escip = sdp->escip;
|
||||
uint8_t mode = config->sc_mode;
|
||||
|
||||
escip->CR2.R = 0; /* MDIS off. */
|
||||
escip->CR1.R = 0;
|
||||
escip->LCR.R = 0;
|
||||
escip->CR1.B.SBR = SPC563_SYSCLK / (16 * config->sc_speed);
|
||||
if (mode & SD_MODE_LOOPBACK)
|
||||
escip->CR1.B.LOOPS = 1;
|
||||
switch (mode & SD_MODE_PARITY) {
|
||||
case SD_MODE_PARITY_ODD:
|
||||
escip->CR1.B.PT = 1;
|
||||
case SD_MODE_PARITY_EVEN:
|
||||
escip->CR1.B.PE = 1;
|
||||
escip->CR1.B.M = 1; /* Makes it 8 bits data + 1 bit parity. */
|
||||
default:
|
||||
;
|
||||
}
|
||||
escip->LPR.R = 0;
|
||||
escip->CR1.R |= 0x0000002C; /* RIE, TE, RE to 1. */
|
||||
escip->CR2.R |= 0x000F; /* ORIE, NFIE, FEIE, PFIE to 1. */
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief eSCI de-initialization.
|
||||
* @details This function must be invoked with interrupts disabled.
|
||||
*
|
||||
* @param[in] escip pointer to an eSCI I/O block
|
||||
*/
|
||||
static void esci_deinit(volatile struct ESCI_tag *escip) {
|
||||
|
||||
escip->LPR.R = 0;
|
||||
escip->SR.R = 0xFFFFFFFF;
|
||||
escip->CR1.R = 0;
|
||||
escip->CR2.R = 0x8000; /* MDIS on. */
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Error handling routine.
|
||||
*
|
||||
* @param[in] sdp pointer to a @p SerialDriver object
|
||||
* @param[in] sr eSCI SR register value
|
||||
*/
|
||||
static void set_error(SerialDriver *sdp, uint32_t sr) {
|
||||
sdflags_t sts = 0;
|
||||
|
||||
if (sr & 0x08000000)
|
||||
sts |= SD_OVERRUN_ERROR;
|
||||
if (sr & 0x04000000)
|
||||
sts |= SD_NOISE_ERROR;
|
||||
if (sr & 0x02000000)
|
||||
sts |= SD_FRAMING_ERROR;
|
||||
if (sr & 0x01000000)
|
||||
sts |= SD_PARITY_ERROR;
|
||||
/* if (sr & 0x00000000)
|
||||
sts |= SD_BREAK_DETECTED;*/
|
||||
chSysLockFromIsr();
|
||||
sdAddFlagsI(sdp, sts);
|
||||
chSysUnlockFromIsr();
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Common IRQ handler.
|
||||
*
|
||||
* @param[in] sdp pointer to a @p SerialDriver object
|
||||
*/
|
||||
static void serve_interrupt(SerialDriver *sdp) {
|
||||
volatile struct ESCI_tag *escip = sdp->escip;
|
||||
|
||||
uint32_t sr = escip->SR.R;
|
||||
escip->SR.R = 0x3FFFFFFF; /* Does not clear TDRE | TC.*/
|
||||
if (sr & 0x0F000000) /* OR | NF | FE | PF. */
|
||||
set_error(sdp, sr);
|
||||
if (sr & 0x20000000) { /* RDRF. */
|
||||
chSysLockFromIsr();
|
||||
sdIncomingDataI(sdp, escip->DR.B.D);
|
||||
chSysUnlockFromIsr();
|
||||
}
|
||||
if (escip->CR1.B.TIE && (sr & 0x80000000)) { /* TDRE. */
|
||||
msg_t b;
|
||||
chSysLockFromIsr();
|
||||
b = chOQGetI(&sdp->oqueue);
|
||||
if (b < Q_OK) {
|
||||
chEvtBroadcastI(&sdp->oevent);
|
||||
escip->CR1.B.TIE = 0;
|
||||
}
|
||||
else {
|
||||
ESCI_A.SR.B.TDRE = 1;
|
||||
escip->DR.R = (uint16_t)b;
|
||||
}
|
||||
chSysUnlockFromIsr();
|
||||
}
|
||||
}
|
||||
|
||||
#if USE_SPC563_ESCIA || defined(__DOXYGEN__)
|
||||
static void notify1(void) {
|
||||
|
||||
if (ESCI_A.SR.B.TDRE) {
|
||||
msg_t b = sdRequestDataI(&SD1);
|
||||
if (b != Q_EMPTY) {
|
||||
ESCI_A.SR.B.TDRE = 1;
|
||||
ESCI_A.CR1.B.TIE = 1;
|
||||
ESCI_A.DR.R = (uint16_t)b;
|
||||
}
|
||||
}
|
||||
/* if (!ESCI_A.CR1.B.TIE) {
|
||||
msg_t b = sdRequestDataI(&SD1);
|
||||
if (b != Q_EMPTY) {
|
||||
ESCI_A.CR1.B.TIE = 1;
|
||||
ESCI_A.DR.R = (uint16_t)b;
|
||||
}
|
||||
}*/
|
||||
}
|
||||
#endif
|
||||
|
||||
#if USE_SPC563_ESCIB || defined(__DOXYGEN__)
|
||||
static void notify2(void) {
|
||||
|
||||
if (ESCI_B.SR.B.TDRE) {
|
||||
msg_t b = sdRequestDataI(&SD2);
|
||||
if (b != Q_EMPTY) {
|
||||
ESCI_B.SR.B.TDRE = 1;
|
||||
ESCI_B.CR1.B.TIE = 1;
|
||||
ESCI_B.DR.R = (uint16_t)b;
|
||||
}
|
||||
}
|
||||
/* if (!ESCI_B.CR1.B.TIE) {
|
||||
msg_t b = sdRequestDataI(&SD2);
|
||||
if (b != Q_EMPTY) {
|
||||
ESCI_B.CR1.B.TIE = 1;
|
||||
ESCI_B.DR.R = (uint16_t)b;
|
||||
}
|
||||
}*/
|
||||
}
|
||||
#endif
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver interrupt handlers. */
|
||||
/*===========================================================================*/
|
||||
|
||||
#if USE_SPC563_ESCIA || defined(__DOXYGEN__)
|
||||
/**
|
||||
* @brief eSCI-A interrupt handler.
|
||||
*/
|
||||
CH_IRQ_HANDLER(vector146) {
|
||||
|
||||
CH_IRQ_PROLOGUE();
|
||||
|
||||
serve_interrupt(&SD1);
|
||||
|
||||
CH_IRQ_EPILOGUE();
|
||||
}
|
||||
#endif
|
||||
|
||||
#if USE_SPC563_ESCIB || defined(__DOXYGEN__)
|
||||
/**
|
||||
* @brief eSCI-B interrupt handler.
|
||||
*/
|
||||
CH_IRQ_HANDLER(vector149) {
|
||||
|
||||
CH_IRQ_PROLOGUE();
|
||||
|
||||
serve_interrupt(&SD2);
|
||||
|
||||
CH_IRQ_EPILOGUE();
|
||||
}
|
||||
#endif
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver exported functions. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/**
|
||||
* @brief Low level serial driver initialization.
|
||||
*/
|
||||
void sd_lld_init(void) {
|
||||
|
||||
#if USE_SPC563_ESCIA
|
||||
sdObjectInit(&SD1, NULL, notify1);
|
||||
SD1.escip = &ESCI_A;
|
||||
ESCI_A.CR2.R = 0x8000; /* MDIS ON. */
|
||||
INTC.PSR[146].R = SPC563_ESCIA_PRIORITY;
|
||||
#endif
|
||||
|
||||
#if USE_SPC563_ESCIB
|
||||
sdObjectInit(&SD2, NULL, notify2);
|
||||
SD2.escip = &ESCI_B;
|
||||
ESCI_B.CR2.R = 0x8000; /* MDIS ON. */
|
||||
INTC.PSR[149].R = SPC563_ESCIB_PRIORITY;
|
||||
#endif
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Low level serial driver configuration and (re)start.
|
||||
*
|
||||
* @param[in] sdp pointer to a @p SerialDriver object
|
||||
* @param[in] config the architecture-dependent serial driver configuration.
|
||||
* If this parameter is set to @p NULL then a default
|
||||
* configuration is used.
|
||||
*/
|
||||
void sd_lld_start(SerialDriver *sdp, const SerialConfig *config) {
|
||||
|
||||
if (config == NULL)
|
||||
config = &default_config;
|
||||
esci_init(sdp, config);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Low level serial driver stop.
|
||||
*
|
||||
* @param[in] sdp pointer to a @p SerialDriver object
|
||||
*/
|
||||
void sd_lld_stop(SerialDriver *sdp) {
|
||||
|
||||
if (sdp->state == SD_READY)
|
||||
esci_deinit(sdp->escip);
|
||||
}
|
||||
|
||||
#endif /* CH_HAL_USE_SERIAL */
|
||||
|
||||
/** @} */
|
||||
172
ChibiOS_2.0.8/os/hal/platforms/SPC56x/serial_lld.h
Normal file
172
ChibiOS_2.0.8/os/hal/platforms/SPC56x/serial_lld.h
Normal file
@@ -0,0 +1,172 @@
|
||||
/*
|
||||
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
|
||||
|
||||
This file is part of ChibiOS/RT.
|
||||
|
||||
ChibiOS/RT 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 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
ChibiOS/RT 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, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
---
|
||||
|
||||
A special exception to the GPL can be applied should you wish to distribute
|
||||
a combined work that includes ChibiOS/RT, without being obliged to provide
|
||||
the source code for any proprietary components. See the file exception.txt
|
||||
for full details of how and when the exception can be applied.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @file SPC56x/serial_lld.h
|
||||
* @brief SPC563 low level serial driver header.
|
||||
*
|
||||
* @addtogroup SPC563_SERIAL
|
||||
* @{
|
||||
*/
|
||||
|
||||
#ifndef _SERIAL_LLD_H_
|
||||
#define _SERIAL_LLD_H_
|
||||
|
||||
#if CH_HAL_USE_SERIAL || defined(__DOXYGEN__)
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver constants. */
|
||||
/*===========================================================================*/
|
||||
|
||||
#define SD_MODE_PARITY 0x03 /**< @brief Parity field mask. */
|
||||
#define SD_MODE_PARITY_NONE 0x00 /**< @brief No parity. */
|
||||
#define SD_MODE_PARITY_EVEN 0x01 /**< @brief Even parity. */
|
||||
#define SD_MODE_PARITY_ODD 0x02 /**< @brief Odd parity. */
|
||||
|
||||
#define SD_MODE_NORMAL 0x00 /**< @brief Normal operations. */
|
||||
#define SD_MODE_LOOPBACK 0x80 /**< @brief Internal loopback. */
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver pre-compile time settings. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/**
|
||||
* @brief eSCI-A driver enable switch.
|
||||
* @details If set to @p TRUE the support for eSCI-A is included.
|
||||
* @note The default is @p TRUE.
|
||||
*/
|
||||
#if !defined(USE_SPC563_ESCIA) || defined(__DOXYGEN__)
|
||||
#define USE_SPC563_ESCIA TRUE
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @brief eSCI-B driver enable switch.
|
||||
* @details If set to @p TRUE the support for eSCI-B is included.
|
||||
* @note The default is @p TRUE.
|
||||
*/
|
||||
#if !defined(USE_SPC563_ESCIB) || defined(__DOXYGEN__)
|
||||
#define USE_SPC563_ESCIB TRUE
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @brief eSCI-A interrupt priority level setting.
|
||||
*/
|
||||
#if !defined(SPC563_ESCIA_PRIORITY) || defined(__DOXYGEN__)
|
||||
#define SPC563_ESCIA_PRIORITY 8
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @brief eSCI-B interrupt priority level setting.
|
||||
*/
|
||||
#if !defined(SPC563_ESCIB_PRIORITY) || defined(__DOXYGEN__)
|
||||
#define SPC563_ESCIB_PRIORITY 8
|
||||
#endif
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Derived constants and error checks. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver data structures and types. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/**
|
||||
* @brief Serial Driver condition flags type.
|
||||
*/
|
||||
typedef uint8_t sdflags_t;
|
||||
|
||||
/**
|
||||
* @brief Generic Serial Driver configuration structure.
|
||||
* @details An instance of this structure must be passed to @p sdStart()
|
||||
* in order to configure and start a serial driver operations.
|
||||
* @note This structure content is architecture dependent, each driver
|
||||
* implementation defines its own version and the custom static
|
||||
* initializers.
|
||||
*/
|
||||
typedef struct {
|
||||
/**
|
||||
* @brief Bit rate.
|
||||
*/
|
||||
uint32_t sc_speed;
|
||||
/**
|
||||
* @brief Mode flags.
|
||||
*/
|
||||
uint8_t sc_mode;
|
||||
} SerialConfig;
|
||||
|
||||
/**
|
||||
* @brief @p SerialDriver specific data.
|
||||
*/
|
||||
#define _serial_driver_data \
|
||||
_base_asynchronous_channel_data \
|
||||
/* Driver state.*/ \
|
||||
sdstate_t state; \
|
||||
/* Input queue.*/ \
|
||||
InputQueue iqueue; \
|
||||
/* Output queue.*/ \
|
||||
OutputQueue oqueue; \
|
||||
/* Status Change @p EventSource.*/ \
|
||||
EventSource sevent; \
|
||||
/* I/O driver status flags.*/ \
|
||||
sdflags_t flags; \
|
||||
/* Input circular buffer.*/ \
|
||||
uint8_t ib[SERIAL_BUFFERS_SIZE]; \
|
||||
/* Output circular buffer.*/ \
|
||||
uint8_t ob[SERIAL_BUFFERS_SIZE]; \
|
||||
/* End of the mandatory fields.*/ \
|
||||
/* Pointer to the volatile eSCI registers block.*/ \
|
||||
volatile struct ESCI_tag *escip;
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver macros. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/*===========================================================================*/
|
||||
/* External declarations. */
|
||||
/*===========================================================================*/
|
||||
|
||||
#if USE_SPC563_ESCIA && !defined(__DOXYGEN__)
|
||||
extern SerialDriver SD1;
|
||||
#endif
|
||||
#if USE_SPC563_ESCIB && !defined(__DOXYGEN__)
|
||||
extern SerialDriver SD2;
|
||||
#endif
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
void sd_lld_init(void);
|
||||
void sd_lld_start(SerialDriver *sdp, const SerialConfig *config);
|
||||
void sd_lld_stop(SerialDriver *sdp);
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* CH_HAL_USE_SERIAL */
|
||||
|
||||
#endif /* _SERIAL_LLD_H_ */
|
||||
|
||||
/** @} */
|
||||
37
ChibiOS_2.0.8/os/hal/platforms/SPC56x/typedefs.h
Normal file
37
ChibiOS_2.0.8/os/hal/platforms/SPC56x/typedefs.h
Normal file
@@ -0,0 +1,37 @@
|
||||
/*
|
||||
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
|
||||
|
||||
This file is part of ChibiOS/RT.
|
||||
|
||||
ChibiOS/RT 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 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
ChibiOS/RT 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, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
---
|
||||
|
||||
A special exception to the GPL can be applied should you wish to distribute
|
||||
a combined work that includes ChibiOS/RT, without being obliged to provide
|
||||
the source code for any proprietary components. See the file exception.txt
|
||||
for full details of how and when the exception can be applied.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @file SPC56x/typedefs.h
|
||||
* @brief Dummy typedefs file.
|
||||
*/
|
||||
|
||||
#ifndef _TYPEDEFS_H_
|
||||
#define _TYPEDEFS_H_
|
||||
|
||||
#include "chtypes.h"
|
||||
|
||||
#endif /* _TYPEDEFS_H_ */
|
||||
Reference in New Issue
Block a user