Merge branch 'fix/fix_c5_eco2_psram_id_issue' into 'master'

psram: c5 eco2 psram id issue

Closes IDF-12991 and IDF-12992

See merge request espressif/esp-idf!38730

Author: Icarus113

components/esp_psram/device/esp_psram_impl_ap_quad.c

@@ -247,31 +247,53 @@ static void psram_gpio_config(void)
 }
 
 #if !SOC_SPI_MEM_SUPPORT_TIMING_TUNING
-static void s_config_psram_clock(void)
+static void s_config_psram_clock(bool init_state)
 {
-    // This function can be extended if we have other psram frequency
     uint32_t clock_conf = 0;
+    if (init_state) {
+        clock_conf = psram_ctrlr_ll_calculate_clock_reg(4);
+        psram_ctrlr_ll_set_spi1_bus_clock(PSRAM_CTRLR_LL_MSPI_ID_1, clock_conf);
+    } else {
+        // This function can be extended if we have other psram frequency
+
 #if (CONFIG_SPIRAM_SPEED == 80)
-    clock_conf = psram_ctrlr_ll_calculate_clock_reg(1);
+        clock_conf = psram_ctrlr_ll_calculate_clock_reg(1);
 #elif (CONFIG_SPIRAM_SPEED == 40)
-    clock_conf = psram_ctrlr_ll_calculate_clock_reg(2);
+        clock_conf = psram_ctrlr_ll_calculate_clock_reg(2);
 #endif
-    psram_ctrlr_ll_set_bus_clock(PSRAM_CTRLR_LL_MSPI_ID_0, clock_conf);
+        psram_ctrlr_ll_set_bus_clock(PSRAM_CTRLR_LL_MSPI_ID_0, clock_conf);
+    }
 }
 #endif  //#if !SOC_SPI_MEM_SUPPORT_TIMING_TUNING
 
 /**
- * For certain wafer version and 8MB case, we consider it as 4MB mode as it uses 2T mode
+ * For mrj069000aa, this wafer version and 8MB case, we consider it as 4MB mode as it uses 2T mode
  */
-bool s_check_aps3204_2tmode(void)
+static bool s_check_mrj069000aa_2tmode(uint32_t eid_47_16)
+{
+    bool is_2t = false;
+    ESP_EARLY_LOGD(TAG, "(eid_47_16 >> 5) & 0xfffff: 0x%"PRIx32, (eid_47_16 >> 5) & 0xfffff);
+    if (((eid_47_16 >> 5) & 0xfffff) == 0x8a445) {
+        is_2t = true;
+    }
+
+    return is_2t;
+}
+
+static bool s_check_2tmode(void)
 {
     uint64_t full_eid = 0;
     psram_read_id(PSRAM_CTRLR_LL_MSPI_ID_1, (uint8_t *)&full_eid, PSRAM_QUAD_EID_BITS_NUM);
 
     bool is_2t = false;
     uint32_t eid_47_16 = __builtin_bswap32((full_eid >> 16) & UINT32_MAX);
-    ESP_EARLY_LOGD(TAG, "full_eid: 0x%" PRIx64", eid_47_16: 0x%"PRIx32", (eid_47_16 >> 5) & 0xfffff: 0x%"PRIx32, full_eid, eid_47_16, (eid_47_16 >> 5) & 0xfffff);
-    if (((eid_47_16 >> 5) & 0xfffff) == 0x8a445) {
+    ESP_EARLY_LOGD(TAG, "full_eid: 0x%" PRIx64", eid_47_16: 0x%"PRIx32", (eid_47_16 >> 25) & 0x1: 0x%"PRIx32, full_eid, eid_47_16, (eid_47_16 >> 25) & 0x1);
+    //EID[41]: 0 for 2t mode; 1 for non-2t mode
+    if (((eid_47_16 >> 25) & 0x1) == 0) {
+        is_2t = true;
+    }
+
+    if (s_check_mrj069000aa_2tmode(eid_47_16)) {
         is_2t = true;
     }
 
@@ -289,6 +311,8 @@ esp_err_t esp_psram_impl_enable(void)
 #if SOC_SPI_MEM_SUPPORT_TIMING_TUNING
     //enter MSPI slow mode to init PSRAM device registers
     mspi_timing_enter_low_speed_mode(true);
+#else
+    s_config_psram_clock(true);
 #endif // SOC_SPI_MEM_SUPPORT_TIMING_TUNING
 
     uint32_t psram_id = 0;
@@ -320,10 +344,11 @@ esp_err_t esp_psram_impl_enable(void)
                         * that are 16MB or 32MB to be interpreted as QEMU PSRAM devices */
                        eid == PSRAM_QUAD_QEMU_16MB_ID ? PSRAM_SIZE_16MB :
                        eid == PSRAM_QUAD_QEMU_32MB_ID ? PSRAM_SIZE_32MB : 0;
-    }
 
-    if ((s_psram_size == PSRAM_SIZE_8MB) && s_check_aps3204_2tmode()) {
-        s_psram_size = PSRAM_SIZE_4MB;
+        if ((s_psram_size == PSRAM_SIZE_8MB) && s_check_2tmode()) {
+            //2t mode is only valid for EID[47:45] == 0x10 chips
+            s_psram_size = s_psram_size / 2;
+        }
     }
 
     //SPI1: send psram reset command
@@ -339,7 +364,7 @@ esp_err_t esp_psram_impl_enable(void)
     //Back to the high speed mode. Flash/PSRAM clocks are set to the clock that user selected. SPI0/1 registers are all set correctly
     mspi_timing_enter_high_speed_mode(true);
 #else
-    s_config_psram_clock();
+    s_config_psram_clock(false);
     //Configure SPI0 PSRAM related SPI Phases
     config_psram_spi_phases();
 #endif

components/hal/esp32c5/include/hal/psram_ctrlr_ll.h

@@ -126,6 +126,19 @@ static inline void psram_ctrlr_ll_set_bus_clock(uint32_t mspi_id, uint32_t clock
     SPIMEM0.mem_sram_clk.val = clock_conf;
 }
 
+/**
+ * @brief Set SPI1 bus clock to initialise PSRAM
+ *
+ * @param mspi_id     mspi_id
+ * @param clock_conf  Configuration value for psram clock
+ */
+__attribute__((always_inline))
+static inline void psram_ctrlr_ll_set_spi1_bus_clock(uint32_t mspi_id, uint32_t clock_conf)
+{
+    HAL_ASSERT(mspi_id == PSRAM_CTRLR_LL_MSPI_ID_1);
+    SPIMEM1.clock.val = clock_conf;
+}
+
 /**
  * Calculate spi_flash clock frequency division parameters for register.
  *

components/hal/esp32c61/include/hal/psram_ctrlr_ll.h

@@ -126,6 +126,19 @@ static inline void psram_ctrlr_ll_set_bus_clock(uint32_t mspi_id, uint32_t clock
     SPIMEM0.mem_sram_clk.val = clock_conf;
 }
 
+/**
+ * @brief Set SPI1 bus clock to initialise PSRAM
+ *
+ * @param mspi_id     mspi_id
+ * @param clock_conf  Configuration value for psram clock
+ */
+__attribute__((always_inline))
+static inline void psram_ctrlr_ll_set_spi1_bus_clock(uint32_t mspi_id, uint32_t clock_conf)
+{
+    HAL_ASSERT(mspi_id == PSRAM_CTRLR_LL_MSPI_ID_1);
+    SPIMEM1.clock.val = clock_conf;
+}
+
 /**
  * Calculate spi_flash clock frequency division parameters for register.
  *