diff options
Diffstat (limited to 'os/hal/boards/OLIMEX_SAM7_EX256')
| -rw-r--r-- | os/hal/boards/OLIMEX_SAM7_EX256/board.c | 137 | ||||
| -rw-r--r-- | os/hal/boards/OLIMEX_SAM7_EX256/board.h | 101 | ||||
| -rw-r--r-- | os/hal/boards/OLIMEX_SAM7_EX256/board.mk | 5 |
3 files changed, 243 insertions, 0 deletions
diff --git a/os/hal/boards/OLIMEX_SAM7_EX256/board.c b/os/hal/boards/OLIMEX_SAM7_EX256/board.c new file mode 100644 index 000000000..9de1b3ffc --- /dev/null +++ b/os/hal/boards/OLIMEX_SAM7_EX256/board.c @@ -0,0 +1,137 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+#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) {
+
+ /*
+ * 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,
+ 0,
+ PAL_MODE_INPUT);
+ palSetGroupMode(IOPORT2, PIOB_SW1_MASK | PIOB_SW2_MASK, 0, PAL_MODE_INPUT);
+
+ /*
+ * MMC/SD slot setup.
+ */
+ palSetGroupMode(IOPORT2,
+ PIOB_MMC_WP_MASK | PIOB_MMC_CP_MASK,
+ 0,
+ 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;
+}
diff --git a/os/hal/boards/OLIMEX_SAM7_EX256/board.h b/os/hal/boards/OLIMEX_SAM7_EX256/board.h new file mode 100644 index 000000000..efe5ead0c --- /dev/null +++ b/os/hal/boards/OLIMEX_SAM7_EX256/board.h @@ -0,0 +1,101 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+#ifndef _BOARD_H_
+#define _BOARD_H_
+
+/*
+ * Setup for the Olimex SAM7-EX256 development board.
+ */
+
+/*
+ * Board identifier.
+ */
+#define BOARD_OLIMEX_SAM7_EX256
+#define BOARD_NAME "Olimex SAM7-EX256"
+
+/*
+ * Select your platform by modifying the following line.
+ */
+#if !defined(SAM7_PLATFORM)
+#define SAM7_PLATFORM SAM7X256
+#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. */
+
+#define VAL_PIOB_ODSR 0x00000000 /* Output data. */
+#define VAL_PIOB_OSR 0x00000000 /* Direction. */
+#define VAL_PIOB_PUSR 0xFFFFFFFF /* Pull-up. */
+
+/*
+ * I/O definitions.
+ */
+#define PIOA_LCD_RESET 2
+#define PIOA_LCD_RESET_MASK (1 << PIOA_LCD_RESET)
+#define PIOA_B1 7
+#define PIOA_B1_MASK (1 << PIOA_B1)
+#define PIOA_B2 8
+#define PIOA_B2_MASK (1 << PIOA_B2)
+#define PIOA_B3 9
+#define PIOA_B3_MASK (1 << PIOA_B3)
+#define PIOA_B4 14
+#define PIOA_B4_MASK (1 << PIOA_B4)
+#define PIOA_B5 15
+#define PIOA_B5_MASK (1 << PIOA_B5)
+#define PIOA_USB_PUP 25
+#define PIOA_USB_PUP_MASK (1 << PIOA_USB_PUP)
+#define PIOA_USB_PR 26
+#define PIOA_USB_PR_MASK (1 << PIOA_USB_PR)
+#define PIOA_CS_MMC 13
+
+#define PIOB_PHY_PD 18
+#define PIOB_PHY_PD_MASK (1 << PIOB_PHY_PD)
+#define PIOB_AUDIO_OUT 19
+#define PIOB_AUDIO_OUT_MASK (1 << PIOB_AUDIO_OUT)
+#define PIOB_LCD_BL 20
+#define PIOB_LCD_BL_MASK (1 << PIOB_LCD_BL)
+#define PIOB_MMC_WP 22
+#define PIOB_MMC_WP_MASK (1 << PIOB_MMC_WP)
+#define PIOB_MMC_CP 23
+#define PIOB_MMC_CP_MASK (1 << PIOB_MMC_CP)
+#define PIOB_SW1 24
+#define PIOB_SW1_MASK (1 << PIOB_SW1)
+#define PIOB_SW2 25
+#define PIOB_SW2_MASK (1 << PIOB_SW2)
+#define PIOB_PHY_IRQ 26
+#define PIOB_PHY_IRQ_MASK (1 << PIOB_PHY_IRQ)
+
+#if !defined(_FROM_ASM_)
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void boardInit(void);
+#ifdef __cplusplus
+}
+#endif
+#endif /* _FROM_ASM_ */
+
+#endif /* _BOARD_H_ */
diff --git a/os/hal/boards/OLIMEX_SAM7_EX256/board.mk b/os/hal/boards/OLIMEX_SAM7_EX256/board.mk new file mode 100644 index 000000000..d0a4816f1 --- /dev/null +++ b/os/hal/boards/OLIMEX_SAM7_EX256/board.mk @@ -0,0 +1,5 @@ +# List of all the board related files.
+BOARDSRC = ${CHIBIOS}/boards/OLIMEX_SAM7_EX256/board.c
+
+# Required include directories
+BOARDINC = ${CHIBIOS}/boards/OLIMEX_SAM7_EX256
|