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Diffstat (limited to 'c/src/lib/libbsp/powerpc/gen5200/include/mscan-base.h')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/gen5200/include/mscan-base.h | 284 |
1 files changed, 0 insertions, 284 deletions
diff --git a/c/src/lib/libbsp/powerpc/gen5200/include/mscan-base.h b/c/src/lib/libbsp/powerpc/gen5200/include/mscan-base.h deleted file mode 100644 index a2b8737d8e..0000000000 --- a/c/src/lib/libbsp/powerpc/gen5200/include/mscan-base.h +++ /dev/null @@ -1,284 +0,0 @@ -/** - * @file - * - * @ingroup m - * - * @brief MSCAN register definitions and support functions. - */ - -/* - * Copyright (c) 2008 - * Embedded Brains GmbH - * Obere Lagerstr. 30 - * D-82178 Puchheim - * Germany - * rtems@embedded-brains.de - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. - */ - -#ifndef LIBBSP_MSCAN_BASE_H -#define LIBBSP_MSCAN_BASE_H - -#include <stdbool.h> - -#include <bsp/mpc5200.h> - -/** - * @defgroup m MSCAN - * - * @{ - */ - -#define MSCAN_BIT_RATE_MIN 10000 - -#define MSCAN_BIT_RATE_MAX 1000000 - -#define MSCAN_BIT_RATE_DEFAULT 125000 - -#define MSCAN_FILTER_NUMBER_MIN 0 - -#define MSCAN_FILTER_NUMBER_2 2 - -#define MSCAN_FILTER_NUMBER_4 4 - -#define MSCAN_FILTER_NUMBER_MAX 8 - -#define MSCAN_FILTER_ID_DEFAULT 0U - -#define MSCAN_FILTER_MASK_DEFAULT 0xffffffffU - -#define MSCAN_TRANSMIT_BUFFER_NUMBER 3 - -/** - * @name MSCAN Control Register 0 (CANCTL0) - * - * @{ - */ - -#define CTL0_RXFRM (1 << 7) -#define CTL0_RXACT (1 << 6) -#define CTL0_CSWAI (1 << 5) -#define CTL0_SYNCH (1 << 4) -#define CTL0_TIME (1 << 3) -#define CTL0_WUPE (1 << 2) -#define CTL0_SLPRQ (1 << 1) -#define CTL0_INITRQ (1 << 0) - -/** @} */ - -/** - * @name MSCAN Control Register 1 (CANCTL1) - * - * @{ - */ - -#define CTL1_CANE (1 << 7) -#define CTL1_CLKSRC (1 << 6) -#define CTL1_LOOPB (1 << 5) -#define CTL1_LISTEN (1 << 4) -#define CTL1_WUPM (1 << 2) -#define CTL1_SLPAK (1 << 1) -#define CTL1_INITAK (1 << 0) - -/** @} */ - -/** - * @name MSCAN Bus Timing Register 0 (CANBTR0) - * - * @{ - */ - -#define BTR0_SJW_MASK 0xc0 -#define BTR0_BRP_MASK 0x3f - -#define BTR0_SJW( btr0) ((btr0) << 6) -#define BTR0_BRP( btr0) ((btr0) << 0) - -#define BTR0_GET_SJW( btr0) (((btr0) & BTR0_SJW_MASK) >> 6) -#define BTR0_GET_BRP( btr0) (((btr0) & BTR0_BRP_MASK) >> 0) - -/** @} */ - -/** - * @name MSCAN Bus Timing Register 1 (CANBTR1) - * - * @{ - */ - -#define BTR1_SAMP_MASK 0x80 -#define BTR1_TSEG1_MASK 0x0f -#define BTR1_TSEG2_MASK 0x70 - -#define BTR1_SAMP (1 << 7) -#define BTR1_TSEG1( btr1) ((btr1) << 0) -#define BTR1_TSEG2( btr1) ((btr1) << 4) - -#define BTR1_GET_TSEG1( btr0) (((btr0) & BTR1_TSEG1_MASK) >> 0) -#define BTR1_GET_TSEG2( btr0) (((btr0) & BTR1_TSEG2_MASK) >> 4) - -/** @} */ - -/** - * @name MSCAN Receiver Flag Register (CANRFLG) - * - * @{ - */ - -#define RFLG_WUPIF (1 << 7) -#define RFLG_CSCIF (1 << 6) -#define RFLG_RSTAT_MASK (3 << 4) -#define RFLG_RSTAT_OK (0 << 4) -#define RFLG_RSTAT_WRN (1 << 4) -#define RFLG_RSTAT_ERR (2 << 4) -#define RFLG_RSTAT_OFF (3 << 4) -#define RFLG_TSTAT_MASK (3 << 2) -#define RFLG_TSTAT_OK (0 << 2) -#define RFLG_TSTAT_WRN (1 << 2) -#define RFLG_TSTAT_ERR (2 << 2) -#define RFLG_TSTAT_OFF (3 << 2) -#define RFLG_OVRIF (1 << 1) -#define RFLG_RXF (1 << 0) -#define RFLG_GET_RX_STATE(rflg) (((rflg) >> 4) & 0x03) -#define RFLG_GET_TX_STATE(rflg) (((rflg) >> 2) & 0x03) - -/** @} */ - -/** - * @name MSCAN Receiver Interrupt Enable Register (CANRIER) - * - * @{ - */ - -#define RIER_WUPIE (1 << 7) -#define RIER_CSCIE (1 << 6) -#define RIER_RSTAT(rier) ((rier) << 4) -#define RIER_TSTAT(rier) ((rier) << 2) -#define RIER_OVRIE (1 << 1) -#define RIER_RXFIE (1 << 0) - -/** @} */ - -/** - * @name MSCAN Transmitter Flag Register (CANTFLG) - * - * @{ - */ - -#define TFLG_TXE2 (1 << 2) -#define TFLG_TXE1 (1 << 1) -#define TFLG_TXE0 (1 << 0) - -/** @} */ - -/** - * @name MSCAN Transmitter Interrupt Enable Register (CANTIER) - * - * @{ - */ - -#define TIER_TXEI2 (1 << 2) -#define TIER_TXEI1 (1 << 1) -#define TIER_TXEI0 (1 << 0) - -/** @} */ - -/** - * @name MSCAN Transmitter Message Abort Request (CANTARQ) - * - * @{ - */ - -#define TARQ_ABTRQ2 (1 << 2) -#define TARQ_ABTRQ1 (1 << 1) -#define TARQ_ABTRQ0 (1 << 0) - -/** @} */ - -/** - * @name MSCAN Transmitter Message Abort Acknoledge (CANTAAK) - * - * @{ - */ - -#define TAAK_ABTRQ2 (1 << 2) -#define TAAK_ABTRQ1 (1 << 1) -#define TAAK_ABTRQ0 (1 << 0) - -/** @} */ - -/** - * @name MSCAN Transmit Buffer Selection (CANBSEL) - * - * @{ - */ - -#define BSEL_TX2 (1 << 2) -#define BSEL_TX1 (1 << 1) -#define BSEL_TX0 (1 << 0) - -/** @} */ - -/** - * @name MSCAN ID Acceptance Control Register (CANIDAC) - * - * @{ - */ - -#define IDAC_IDAM1 (1 << 5) -#define IDAC_IDAM0 (1 << 4) -#define IDAC_IDAM (IDAC_IDAM1 | IDAC_IDAM0) -#define IDAC_IDHIT( idac) ((idac) & 0x7) - -/** @} */ - -/** - * @brief MSCAN registers. - */ -typedef struct mpc5200_mscan mscan; - -/** - * @brief MSCAN context that has to be saved throughout the initialization - * mode. - */ -typedef struct { - uint8_t ctl0; - uint8_t rier; - uint8_t tier; -} mscan_context; - -bool mscan_enable( volatile mscan *m, unsigned bit_rate); - -void mscan_disable( volatile mscan *m); - -void mscan_interrupts_disable( volatile mscan *m); - -bool mscan_set_bit_rate( volatile mscan *m, unsigned bit_rate); - -void mscan_initialization_mode_enter( volatile mscan *m, mscan_context *context); - -void mscan_initialization_mode_leave( volatile mscan *m, const mscan_context *context); - -void mscan_sleep_mode_enter( volatile mscan *m); - -void mscan_sleep_mode_leave( volatile mscan *m); - -volatile uint8_t *mscan_id_acceptance_register( volatile mscan *m, unsigned i); - -volatile uint8_t *mscan_id_mask_register( volatile mscan *m, unsigned i); - -unsigned mscan_filter_number( volatile mscan *m); - -bool mscan_set_filter_number( volatile mscan *m, unsigned number); - -bool mscan_filter_operation( volatile mscan *m, bool set, unsigned index, uint32_t *id, uint32_t *mask); - -void mscan_filter_clear( volatile mscan *m); - -void mscan_get_error_counters( volatile mscan *m, unsigned *rec, unsigned *tec); - -/** @} */ - -#endif /* LIBBSP_MSCAN_BASE_H */ |