import ChibiOS 2.0.8

2010-11-30 13:54:43 +09:00
parent 27543cfeca
commit c560d0ad0c
1982 changed files with 5318 additions and 4046 deletions
--- a/ChibiOS_2.0.8/boards/OLIMEX_SAM7_EX256/board.c
+++ b/ChibiOS_2.0.8/boards/OLIMEX_SAM7_EX256/board.c
@@ -0,0 +1,125 @@
+/*
+    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.
+*/
+
+#include "ch.h"
+#include "hal.h"
+
+/*
+ * SYS IRQ handling here.
+ */
+static CH_IRQ_HANDLER(SYSIrqHandler) {
+
+  CH_IRQ_PROLOGUE();
+
+  if (AT91C_BASE_PITC->PITC_PISR & AT91C_PITC_PITS) {
+    (void) AT91C_BASE_PITC->PITC_PIVR;
+    chSysLockFromIsr();
+    chSysTimerHandlerI();
+    chSysUnlockFromIsr();
+  }
+  
+#if USE_SAM7_DBGU_UART
+  if (AT91C_BASE_DBGU->DBGU_CSR & 
+    (AT91C_US_RXRDY | AT91C_US_TXRDY | AT91C_US_PARE | AT91C_US_FRAME | AT91C_US_OVRE | AT91C_US_RXBRK)) {
+    sd_lld_serve_interrupt(&SD3);
+  }
+#endif  
+  AT91C_BASE_AIC->AIC_EOICR = 0;
+  CH_IRQ_EPILOGUE();
+}
+
+/*
+ * Early initialization code.
+ * This initialization is performed just after reset before BSS and DATA
+ * segments initialization.
+ */
+void hwinit0(void) {
+  
+  /* Watchdog disabled.*/
+  AT91C_BASE_WDTC->WDTC_WDMR = AT91C_WDTC_WDDIS;
+  
+  at91sam7_clock_init();
+}
+
+/*
+ * Late initialization code.
+ * This initialization is performed after BSS and DATA segments initialization
+ * and before invoking the main() function.
+ */
+void hwinit1(void) {
+
+  /*
+   * HAL initialization.
+   */
+  halInit();
+
+  /*
+   * LCD pins setup.
+   */
+  palClearPad(IOPORT2, PIOB_LCD_BL);
+  palSetPadMode(IOPORT2, PIOB_LCD_BL, PAL_MODE_OUTPUT_PUSHPULL);
+
+  palSetPad(IOPORT1, PIOA_LCD_RESET);
+  palSetPadMode(IOPORT1, PIOA_LCD_RESET, PAL_MODE_OUTPUT_PUSHPULL);
+
+  /*
+   * Joystick and buttons setup.
+   */
+  palSetGroupMode(IOPORT1,
+                  PIOA_B1_MASK | PIOA_B2_MASK | PIOA_B3_MASK |
+                  PIOA_B4_MASK | PIOA_B5_MASK,
+                  PAL_MODE_INPUT);
+  palSetGroupMode(IOPORT2, PIOB_SW1_MASK | PIOB_SW2_MASK, PAL_MODE_INPUT);
+
+  /*
+   * MMC/SD slot setup.
+   */
+  palSetGroupMode(IOPORT2,
+                  PIOB_MMC_WP_MASK | PIOB_MMC_CP_MASK,
+                  PAL_MODE_INPUT);
+
+  /*
+   * PIT Initialization.
+   */
+  AIC_ConfigureIT(AT91C_ID_SYS,
+                  AT91C_AIC_SRCTYPE_HIGH_LEVEL | (AT91C_AIC_PRIOR_HIGHEST - 1),
+                  SYSIrqHandler);
+  AIC_EnableIT(AT91C_ID_SYS);
+  AT91C_BASE_PITC->PITC_PIMR = (MCK / 16 / CH_FREQUENCY) - 1;
+  AT91C_BASE_PITC->PITC_PIMR |= AT91C_PITC_PITEN | AT91C_PITC_PITIEN;
+
+  /*
+   * RTS/CTS pins enabled for USART0 only.
+   */
+  AT91C_BASE_PIOA->PIO_PDR   = AT91C_PA3_RTS0 | AT91C_PA4_CTS0;
+  AT91C_BASE_PIOA->PIO_ASR   = AT91C_PIO_PA3 | AT91C_PIO_PA4;
+  AT91C_BASE_PIOA->PIO_PPUDR = AT91C_PIO_PA3 | AT91C_PIO_PA4;
+
+  /*
+   * ChibiOS/RT initialization.
+   */
+  chSysInit();
+}