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bsp: hpmicro: clear full ENET buffers #11581

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Merged
Rbb666 merged 1 commit into from
Jul 8, 2026
+9 −3
Merged

bsp: hpmicro: clear full ENET buffers #11581

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12 changes: 9 additions & 3 deletions bsp/hpmicro/libraries/drivers/drv_enet.c
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@

#ifdef BSP_USING_ETH0

/* cppcheck-suppress-begin unknownMacro */
ATTR_PLACE_AT_NONCACHEABLE_WITH_ALIGNMENT(ENET_SOC_DESC_ADDR_ALIGNMENT)
__RW enet_rx_desc_t enet0_dma_rx_desc_tab[ENET0_RX_BUFF_COUNT]; /* Ethernet0 Rx DMA Descriptor */

Expand All @@ -30,6 +31,7 @@ __RW uint8_t enet0_rx_buff[ENET0_RX_BUFF_COUNT][ENET0_RX_BUFF_SIZE]; /* Ethernet

ATTR_PLACE_AT_WITH_ALIGNMENT(".fast_ram", ENET_SOC_BUFF_ADDR_ALIGNMENT)
__RW uint8_t enet0_tx_buff[ENET0_TX_BUFF_COUNT][ENET0_TX_BUFF_SIZE]; /* Ethernet0 Transmit Buffer */
/* cppcheck-suppress-end unknownMacro */

LWIP_MEMPOOL_DECLARE(enet0_rx_pool, ENET0_RX_BUFF_COUNT, sizeof(my_custom_pbuf_t), "Custom RX PBUF pool");
static enet_frame_t enet0_frame[ENET0_RX_BUFF_COUNT] = {0};
Expand Down Expand Up @@ -88,6 +90,7 @@ mac_init_t mac_init[] = {

#ifdef BSP_USING_ETH1

/* cppcheck-suppress-begin unknownMacro */
ATTR_PLACE_AT_NONCACHEABLE_WITH_ALIGNMENT(ENET_SOC_DESC_ADDR_ALIGNMENT)
__RW enet_rx_desc_t enet1_dma_rx_desc_tab[ENET1_RX_BUFF_COUNT]; /* Ethernet1 Rx DMA Descriptor */

Expand All @@ -99,6 +102,7 @@ __RW uint8_t enet1_rx_buff[ENET1_RX_BUFF_COUNT][ENET1_RX_BUFF_SIZE]; /* Ethernet

ATTR_PLACE_AT_WITH_ALIGNMENT(".fast_ram", ENET_SOC_BUFF_ADDR_ALIGNMENT)
__RW uint8_t enet1_tx_buff[ENET1_TX_BUFF_COUNT][ENET1_TX_BUFF_SIZE]; /* Ethernet1 Transmit Buffer */
/* cppcheck-suppress-end unknownMacro */

LWIP_MEMPOOL_DECLARE(enet1_rx_pool, ENET1_RX_BUFF_COUNT, sizeof(my_custom_pbuf_t), "Custom RX PBUF pool");
static enet_frame_t enet1_frame[ENET1_RX_BUFF_COUNT] = {0};
Expand Down Expand Up @@ -544,7 +548,7 @@ void isr_enet(hpm_enet_t *obj)
status = obj->base->DMA_STATUS;

if (ENET_DMA_STATUS_GLPII_GET(status)) {
obj->base->LPI_CSR;
(void)obj->base->LPI_CSR;
}

if (ENET_DMA_STATUS_RI_GET(status)) {
Expand Down Expand Up @@ -587,8 +591,10 @@ int rt_hw_eth_init(void)
memset((uint8_t *)s_geths[i]->dma_rx_desc_tab, 0x00, sizeof(enet_rx_desc_t) * s_geths[i]->rx_buff_cfg->count);
memset((uint8_t *)s_geths[i]->dma_tx_desc_tab, 0x00, sizeof(enet_tx_desc_t) * s_geths[i]->tx_buff_cfg->count);

memset((uint8_t *)s_geths[i]->rx_buff_cfg->buffer, 0x00, sizeof(s_geths[i]->rx_buff_cfg->size));
memset((uint8_t *)s_geths[i]->tx_buff_cfg->buffer, 0x00, sizeof(s_geths[i]->tx_buff_cfg->size));
memset((uint8_t *)s_geths[i]->rx_buff_cfg->buffer, 0x00,
s_geths[i]->rx_buff_cfg->count * s_geths[i]->rx_buff_cfg->size);
memset((uint8_t *)s_geths[i]->tx_buff_cfg->buffer, 0x00,
s_geths[i]->tx_buff_cfg->count * s_geths[i]->tx_buff_cfg->size);

/* Set list heads */
s_geths[i]->enet_dev->desc.tx_desc_list_head = (enet_tx_desc_t *)core_local_mem_to_sys_address(BOARD_RUNNING_CORE, (uint32_t)s_geths[i]->dma_tx_desc_tab);
Expand Down
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