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author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2010-05-29 06:09:11 +0000 |
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committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2010-05-29 06:09:11 +0000 |
commit | a5e0616537530926193d73c2e41bf780d4a55f05 (patch) | |
tree | f1e2a510c21f709f62ac9d3660935bf86bd6edaf /boards/OLIMEX_SAM7_P256 | |
parent | 29d727356b71e0706a7069e41e70e1d5e885f4d3 (diff) | |
download | ChibiOS-a5e0616537530926193d73c2e41bf780d4a55f05.tar.gz ChibiOS-a5e0616537530926193d73c2e41bf780d4a55f05.tar.bz2 ChibiOS-a5e0616537530926193d73c2e41bf780d4a55f05.zip |
Added AT91SAM7S256 demo.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1961 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'boards/OLIMEX_SAM7_P256')
-rw-r--r-- | boards/OLIMEX_SAM7_P256/board.c | 100 | ||||
-rw-r--r-- | boards/OLIMEX_SAM7_P256/board.h | 72 | ||||
-rw-r--r-- | boards/OLIMEX_SAM7_P256/board.mk | 5 |
3 files changed, 177 insertions, 0 deletions
diff --git a/boards/OLIMEX_SAM7_P256/board.c b/boards/OLIMEX_SAM7_P256/board.c new file mode 100644 index 000000000..0090353fa --- /dev/null +++ b/boards/OLIMEX_SAM7_P256/board.c @@ -0,0 +1,100 @@ +/*
+ 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/>.
+*/
+
+#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();
+ }
+ 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();
+
+ /*
+ * LED pins setup.
+ */
+ palClearPad(IOPORT1, PIOA_LED1);
+ palSetPadMode(IOPORT1, PIOA_LED1, PAL_MODE_OUTPUT_PUSHPULL);
+ palClearPad(IOPORT1, PIOA_LED2);
+ palSetPadMode(IOPORT1, PIOA_LED2, PAL_MODE_OUTPUT_PUSHPULL);
+
+ /*
+ * buttons setup.
+ */
+ palSetGroupMode(IOPORT1, PIOA_B1_MASK | PIOA_B2_MASK, PAL_MODE_INPUT);
+
+ /*
+ * MMC/SD slot setup.
+ */
+ palSetGroupMode(IOPORT1,
+ PIOA_MMC_WP_MASK | PIOA_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;
+
+ /*
+ * ChibiOS/RT initialization.
+ */
+ chSysInit();
+}
diff --git a/boards/OLIMEX_SAM7_P256/board.h b/boards/OLIMEX_SAM7_P256/board.h new file mode 100644 index 000000000..ac8e74c18 --- /dev/null +++ b/boards/OLIMEX_SAM7_P256/board.h @@ -0,0 +1,72 @@ +/*
+ 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/>.
+*/
+
+#ifndef _BOARD_H_
+#define _BOARD_H_
+
+/*
+ * Setup for the Olimex SAM7-P256 development board.
+ */
+
+/*
+ * Board identifier.
+ */
+#define BOARD_OLIMEX_SAM7_P256
+
+/*
+ * Select your platform by modifying the following line.
+ */
+#if !defined(SAM7_PLATFORM)
+#define SAM7_PLATFORM SAM7S256
+#endif
+
+#include "at91sam7.h"
+
+#define CLK 18432000
+#define MCK 48054857
+
+/*
+ * Initial I/O setup.
+ */
+#define VAL_PIOA_ODSR 0x00000000 /* Output data. */
+#define VAL_PIOA_OSR 0x00000000 /* Direction. */
+#define VAL_PIOA_PUSR 0xFFFFFFFF /* Pull-up. */
+
+/*
+ * I/O definitions.
+ */
+#define PIOA_LED1 18
+#define PIOA_LED1_MASK (1 << PIOA_LED1_MASK)
+#define PIOA_LED2 17
+#define PIOA_LED2_MASK (1 << PIOA_LED2_MASK)
+#define PIOA_B1 19
+#define PIOA_B1_MASK (1 << PIOA_B1)
+#define PIOA_B2 20
+#define PIOA_B2_MASK (1 << PIOA_B2)
+#define PIOA_DP_PUP 25
+#define PIOA_DD_PUP_MASK (1 << PIOA_DP_PUP)
+#define PIOA_USB_D 26
+#define PIOA_USB_D_MASK (1 << PIOA_USB_D)
+
+#define PIOA_MMC_WP 16
+#define PIOA_MMC_WP_MASK (1 << PIOA_MMC_WP)
+#define PIOA_MMC_CP 15
+#define PIOA_MMC_CP_MASK (1 << PIOA_MMC_CP)
+
+#endif /* _BOARD_H_ */
diff --git a/boards/OLIMEX_SAM7_P256/board.mk b/boards/OLIMEX_SAM7_P256/board.mk new file mode 100644 index 000000000..e9fb6691a --- /dev/null +++ b/boards/OLIMEX_SAM7_P256/board.mk @@ -0,0 +1,5 @@ +# List of all the board related files.
+BOARDSRC = ${CHIBIOS}/boards/OLIMEX_SAM7_P256/board.c
+
+# Required include directories
+BOARDINC = ${CHIBIOS}/boards/OLIMEX_SAM7_P256
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