fix(dma): add burst size check when dma access psram

Author: Kainarx

components/esp_hw_support/dma/gdma.c

@@ -357,6 +357,12 @@ esp_err_t gdma_config_transfer(gdma_channel_handle_t dma_chan, const gdma_transf
         // burst size must be power of 2
         ESP_RETURN_ON_FALSE((max_data_burst_size & (max_data_burst_size - 1)) == 0, ESP_ERR_INVALID_ARG,
                             TAG, "invalid max_data_burst_size: %"PRIu32, max_data_burst_size);
+#if SOC_AHB_GDMA_SUPPORT_PSRAM || SOC_AXI_GDMA_SUPPORT_PSRAM
+        if (config->access_ext_mem) {
+            ESP_RETURN_ON_FALSE(max_data_burst_size <= GDMA_LL_MAX_BURST_SIZE_PSRAM, ESP_ERR_INVALID_ARG,
+                                TAG, "max_data_burst_size must not exceed %d when accessing external memory", GDMA_LL_MAX_BURST_SIZE_PSRAM);
+        }
+#endif
     }
     gdma_pair_t *pair = dma_chan->pair;
     gdma_group_t *group = pair->group;

components/hal/esp32c5/include/hal/gdma_ll.h

@@ -8,6 +8,7 @@
 #include "soc/pcr_struct.h"
 #include "hal/ahb_dma_ll.h"
 #define GDMA_LL_AHB_BURST_SIZE_ADJUSTABLE 1 // AHB GDMA supports adjustable burst size
+#define GDMA_LL_MAX_BURST_SIZE_PSRAM      32 // PSRAM controller doesn't support burst access with size > 32 bytes
 
 #ifdef __cplusplus
 extern "C" {

components/hal/esp32c61/include/hal/gdma_ll.h

@@ -8,6 +8,7 @@
 #include "soc/pcr_struct.h"
 #include "hal/ahb_dma_ll.h"
 #define GDMA_LL_AHB_BURST_SIZE_ADJUSTABLE 1 // AHB GDMA supports adjustable burst size
+#define GDMA_LL_MAX_BURST_SIZE_PSRAM      32 // PSRAM controller doesn't support burst access with size > 32 bytes
 
 #ifdef __cplusplus
 extern "C" {

components/hal/esp32h4/include/hal/gdma_ll.h

@@ -8,6 +8,7 @@
 #include "soc/pcr_struct.h"
 #include "hal/ahb_dma_ll.h"
 #define GDMA_LL_AHB_BURST_SIZE_ADJUSTABLE 1 // AHB GDMA supports adjustable burst size
+#define GDMA_LL_MAX_BURST_SIZE_PSRAM      64 // PSRAM support INCR16
 
 #ifdef __cplusplus
 extern "C" {

components/hal/esp32p4/include/hal/gdma_ll.h

@@ -47,6 +47,7 @@
 
 #define GDMA_LL_AHB_DESC_ALIGNMENT      4
 #define GDMA_LL_AXI_DESC_ALIGNMENT      8
+#define GDMA_LL_MAX_BURST_SIZE_PSRAM    64 // PSRAM controller doesn't support burst access with size > 64 bytes
 
 #define GDMA_LL_TX_ETM_EVENT_TABLE(group, chan, event)                \
     (uint32_t[2][GDMA_ETM_EVENT_MAX]){                                \

components/hal/esp32s3/include/hal/gdma_ll.h

@@ -64,6 +64,7 @@ extern "C" {
 
 #define GDMA_LL_AHB_BURST_SIZE_ADJUSTABLE 1 // AHB GDMA supports adjustable burst size
 #define GDMA_LL_AHB_RX_BURST_NEEDS_ALIGNMENT  1
+#define GDMA_LL_MAX_BURST_SIZE_PSRAM          64 // PSRAM controller doesn't support burst access with size > 64 bytes
 
 ///////////////////////////////////// Common /////////////////////////////////////////