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Merge branch 'fix/psram-ecc-mspi-dma-align' into 'master'

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fix(mspi): handle PSRAM ECC DMA alignment across MSPI users

Closes IDF-15850, IDF-15910, and IDF-15700

See merge request espressif/esp-idf!49987
This commit is contained in:
morris
2026-08-20 11:51:46 +08:00
parent fb8873278d e008f5a627
commit fe465ae1fe
60 changed files with 829 additions and 467 deletions
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components/esp_driver_i3c/i3c_master.c
+3 -3
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@@ -369,9 +369,9 @@ static esp_err_t i3c_master_init_dma(i3c_master_bus_t *i3c_master_handle, const
ESP_GOTO_ON_ERROR(gdma_config_transfer(i3c_master_handle->dma_tx_chan, &transfer_cfg), err2, TAG, "Config DMA tx channel transfer failed");
// create DMA link list
size_t int_mem_align = 0;
gdma_get_alignment_constraints(i3c_master_handle->dma_tx_chan, &int_mem_align, NULL);
i3c_master_handle->dma_buffer_alignment = I3C_ALIGN_UP(int_mem_align, I3C_MASTER_DMA_INTERFACE_ALIGNMENT);
gdma_channel_alignment_info_t align_info;
gdma_get_channel_alignment_constraints(i3c_master_handle->dma_tx_chan, &align_info);
i3c_master_handle->dma_buffer_alignment = I3C_ALIGN_UP(align_info.int_mem_alignment, I3C_MASTER_DMA_INTERFACE_ALIGNMENT);
size_t num_dma_nodes = esp_dma_calculate_node_count(dma_config->max_transfer_size, i3c_master_handle->dma_buffer_alignment, DMA_DESCRIPTOR_BUFFER_MAX_SIZE);
gdma_link_list_config_t dma_link_config = {
.item_alignment = 4, // 4 bytes alignment for AHB-DMA