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drivers: can: mcan: add build asserts for message RAM configuration

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Add build asserts to ensure the Message RAM configuration meets the
IP core restrictions.

Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>
This commit is contained in:
Henrik Brix Andersen 2023-05-21 21:24:44 +02:00 • committed by Anas Nashif
commit d452a0043d
1 changed files with 9 additions and 0 deletions
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9
drivers/can/can_mcan.h
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@ -558,6 +558,15 @@ enum can_mcan_mram_cfg {
#define NUM_TX_EVENT_FIFO_ELEMENTS CAN_MCAN_DT_MRAM_TX_EVENT_FIFO_ELEM(MCAN_DT_PATH) #define NUM_TX_EVENT_FIFO_ELEMENTS CAN_MCAN_DT_MRAM_TX_EVENT_FIFO_ELEM(MCAN_DT_PATH)
#define NUM_TX_BUF_ELEMENTS CAN_MCAN_DT_MRAM_TX_BUFFER_ELEM(MCAN_DT_PATH) #define NUM_TX_BUF_ELEMENTS CAN_MCAN_DT_MRAM_TX_BUFFER_ELEM(MCAN_DT_PATH)
/* Assert that the Message RAM configuration meets the M_CAN IP core restrictions */
BUILD_ASSERT(NUM_STD_FILTER_ELEMENTS <= 128, "Maximum Standard filter elements exceeded");
BUILD_ASSERT(NUM_EXT_FILTER_ELEMENTS <= 64, "Maximum Extended filter elements exceeded");
BUILD_ASSERT(NUM_RX_FIFO0_ELEMENTS <= 64, "Maximum Rx FIFO 0 elements exceeded");
BUILD_ASSERT(NUM_RX_FIFO1_ELEMENTS <= 64, "Maximum Rx FIFO 1 elements exceeded");
BUILD_ASSERT(NUM_RX_BUF_ELEMENTS <= 64, "Maximum Rx Buffer elements exceeded");
BUILD_ASSERT(NUM_TX_EVENT_FIFO_ELEMENTS <= 32, "Maximum Tx Buffer elements exceeded");
BUILD_ASSERT(NUM_TX_BUF_ELEMENTS <= 32, "Maximum Tx Buffer elements exceeded");
#ifdef CONFIG_CAN_STM32FD #ifdef CONFIG_CAN_STM32FD
#define NUM_STD_FILTER_DATA CONFIG_CAN_MAX_STD_ID_FILTER #define NUM_STD_FILTER_DATA CONFIG_CAN_MAX_STD_ID_FILTER
#define NUM_EXT_FILTER_DATA CONFIG_CAN_MAX_EXT_ID_FILTER #define NUM_EXT_FILTER_DATA CONFIG_CAN_MAX_EXT_ID_FILTER