AT91SAM7A3. Initial commit.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4799 35acf78f-673a-0410-8e92-d51de3d6d3f4

2 files changed, 210 insertions, 0 deletions

diff --git a/boards/STUDIEL_AT91SAM7A3_EK/board.c b/boards/STUDIEL_AT91SAM7A3_EK/board.c
new file mode 100755
index 000000000..fd94d8a81
--- /dev/null
+++ b/boards/STUDIEL_AT91SAM7A3_EK/board.c
@@ -0,0 +1,113 @@
+/*

+    ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,

+                 2011,2012 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"

+

+/**

+ * @brief   PAL setup.

+ * @details Digital I/O ports static configuration as defined in @p board.h.

+ *          This variable is used by the HAL when initializing the PAL driver.

+ */

+#if HAL_USE_PAL || defined(__DOXYGEN__)

+const PALConfig pal_default_config =

+{

+  {VAL_PIOA_ODSR, VAL_PIOA_OSR, VAL_PIOA_PUSR},

+#if (SAM7_PLATFORM == SAM7X128) || (SAM7_PLATFORM == SAM7X256) || \

+    (SAM7_PLATFORM == SAM7X512) || (SAM7_PLATFORM == SAM7A3)

+  {VAL_PIOB_ODSR, VAL_PIOB_OSR, VAL_PIOB_PUSR}

+#endif

+};

+#endif

+

+/*

+ * 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(&SDDBG);

+  }

+#endif  

+  AT91C_BASE_AIC->AIC_EOICR = 0;

+  CH_IRQ_EPILOGUE();

+}

+

+/*

+ * Early initialization code.

+ * This initialization must be performed just after stack setup and before

+ * any other initialization.

+ */

+void __early_init(void) {

+  

+  /* Watchdog disabled.*/

+  AT91C_BASE_WDTC->WDTC_WDMR = AT91C_WDTC_WDDIS;

+  

+  at91sam7_clock_init();

+}

+

+#if HAL_USE_MMC_SPI

+/* Board-related functions related to the MMC_SPI driver.*/

+bool_t mmc_lld_is_card_inserted(MMCDriver *mmcp) {

+

+  (void)mmcp;

+  return !palReadPad(IOPORT2, PIOB_MMC_CP);

+}

+

+bool_t mmc_lld_is_write_protected(MMCDriver *mmcp) {

+

+  (void)mmcp;

+  return palReadPad(IOPORT2, PIOB_MMC_WP);

+}

+#endif

+

+/*

+ * Board-specific initialization code.

+ */

+void boardInit(void) {

+

+  /*

+   * 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;

+}

diff --git a/boards/STUDIEL_AT91SAM7A3_EK/board.h b/boards/STUDIEL_AT91SAM7A3_EK/board.h
new file mode 100755
index 000000000..f6862ba50
--- /dev/null
+++ b/boards/STUDIEL_AT91SAM7A3_EK/board.h
@@ -0,0 +1,97 @@
+/*

+    ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,

+                 2011,2012 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 Studiel AT91SAM7A3-EK board.

+ */

+

+/*

+ * Board identifier.

+ */

+#define BOARD_STUDIEL_AT91SAM7A3_EK

+#define BOARD_NAME "Studiel AT91SAM7A3-EK eval. board"

+

+/*

+ * Select your platform by modifying the following line.

+ */

+#if !defined(SAM7A3_PLATFORM)

+#define SAM7_PLATFORM   SAM7A3

+#endif

+

+#include "at91sam7.h"

+

+#define CLK             18432000

+#define MCK             48054857

+

+/*

+ * I/O definitions.

+ */

+#define PIOA_RXD0               2

+#define PIOA_RXD0_MASK          (1 << PIOA_RXD0)

+#define PIOA_TXD0               3

+#define PIOA_TXD0_MASK          (1 << PIOA_TXD0)

+#define PIOA_LED1               20

+#define PIOA_LED1_MASK          (1 << PIOA_LED1)

+#define PIOA_LED2               21

+#define PIOA_LED2_MASK          (1 << PIOA_LED2)

+#define PIOA_LED3               24

+#define PIOA_LED3_MASK          (1 << PIOA_LED3)

+#define PIOA_LED4               25

+#define PIOA_LED4_MASK          (1 << PIOA_LED4)

+// mmc-spi

+#define PIOA_SPI0_NSS           14

+#define PIOA_SPI0_NSS_MASK      (1 << PIOA_SPI0_NSS)

+#define PIOA_SPI0_MISO          15

+#define PIOA_SPI0_MISO_MASK     (1 << PIOA_SPI0_MISO)

+#define PIOA_SPI0_MOSI          16

+#define PIOA_SPI0_MOSI_MASK     (1 << PIOA_SPI0_MOSI)

+#define PIOA_SPI0_CLK           17

+#define PIOA_SPI0_CLK_MASK      (1 << PIOA_SPI0_CLK)

+

+/*

+ * Initial I/O setup.

+ */

+/* Output data. */

+#define VAL_PIOA_ODSR           0x00000000

+/* Direction. */

+#define VAL_PIOA_OSR            0x00000000 | PIOA_LED1_MASK | PIOA_LED2_MASK | \

+                                             PIOA_LED3_MASK | PIOA_LED4_MASK

+/* Pull-up. */

+#define VAL_PIOA_PUSR           0xFFFFFFFF

+

+#define VAL_PIOB_ODSR           0x00000000      /* Output data. */

+#define VAL_PIOB_OSR            0x00000000      /* Direction. */

+#define VAL_PIOB_PUSR           0xFFFFFFFF      /* Pull-up. */

+

+

+#if !defined(_FROM_ASM_)

+#ifdef __cplusplus

+extern "C" {

+#endif

+  void boardInit(void);

+#ifdef __cplusplus

+}

+#endif

+#endif /* _FROM_ASM_ */

+

+#endif /* _BOARD_H_ */