Add tests for sram test chip

silicon_tests/common/common.h

@@ -22,6 +22,8 @@
 #include <uart_api.h>
 #include <spi_master.h>
 #include <packet.h>
+#include <user_space.h>
+#include <rand.h>
 
 /**
  * Enable communication  between firmware and user project 

silicon_tests/common/rand.h

@@ -0,0 +1,23 @@
+unsigned int  rand_num_gen(unsigned int * seed) {
+    // Static LFSR state to maintain across function calls
+    unsigned int  lfsr = * seed;  // Initial non-zero seed
+    static int initialized = 0;        // To initialize LFSR on the first call
+    unsigned int  feedback;
+
+    // Initialize LFSR only once
+    if (!initialized) {
+        initialized = 1;
+    }
+
+    // Save the current LFSR value to return
+    unsigned int  random_value = lfsr;
+
+    // Compute feedback using a maximal-length polynomial x^32 + x^22 + x^2 + x^1 + 1
+    feedback = ((lfsr >> 0) ^ (lfsr >> 1) ^ (lfsr >> 21) ^ (lfsr >> 31)) & 1;
+
+    // Shift LFSR and insert feedback bit
+    lfsr = (lfsr >> 1) | (feedback << 31);
+
+    *seed = lfsr;
+    return random_value;
+}

silicon_tests/common/user_space.h

@@ -0,0 +1,178 @@
+/**
+ \file
+*/
+
+#ifndef CUSTOM_USER_ADDR_SPACE_C_HEADER_FILE
+#define CUSTOM_USER_ADDR_SPACE_C_HEADER_FILE
+#define USER_SPACE_ADDR 0x30000000
+
+
+inline void USER_writeWord(volatile int data,int offset) __attribute__((always_inline));
+inline volatile int USER_readWord(int offset) __attribute__((always_inline));
+inline void USER_writeHalfWord(volatile short data,volatile int offset,bool is_first_word) __attribute__((always_inline));
+inline volatile short USER_readHalfWord(volatile int offset,bool is_first_word) __attribute__((always_inline));
+inline void USER_writeByte(volatile char data,volatile int offset,volatile char byte_num) __attribute__((always_inline));
+inline volatile char USER_readByte( volatile int offset,volatile char byte_num) __attribute__((always_inline));
+
+/**
+ * Enable communication  between firmware and user project through wishbone 
+ * \warning 
+ * This necessary when reading or writing are needed between wishbone and user project 
+ * if interface isn't enabled no ack would be receive  and the writing or reading command will be stuck
+ */
+void User_enableIF(){
+    reg_wb_enable =1; // for enable writing to reg_debug_1 and reg_debug_2
+}
+
+
+/**
+ * Write word (4 bytes) at user address space 32 bit register
+ *  
+ * @param data  world data to write
+ * @param offset the offset of the register to write. Origin at the user project address
+ * 
+ * \note 
+ * Since offset is a word (4 bytes) and address space represent bytes, offset = address /4
+ * \n For example if project caravel space are 26 address bit offset = wb_addr_i[25:0]/4
+ * 
+ * <table>
+    <caption id="multi_row"> world memory (4 bytes offset)</caption>
+    <tr><th>address<th>offset <th>byte0<th>byte1<th>byte2<th>byte3
+    <tr><td>0x0<td>0<td style="background-color:#FED64E">0<td style="background-color:#FED64E">1<td style="background-color:#FED64E">2<td style="background-color:#FED64E">3
+    <tr><td>0x4<td>1<td style="background-color:#EDBB99">4<td style="background-color:#EDBB99">5<td style="background-color:#EDBB99">6<td style="background-color:#EDBB99">7
+    <tr><td>0x8<td>2<td style="background-color:#FED64E">8<td style="background-color:#FED64E" >9<td style="background-color:#FED64E">10<td style="background-color:#FED64E">11
+    <tr><td>0xC<td>3<td style="background-color:#EDBB99">12<td style="background-color:#EDBB99">13<td style="background-color:#EDBB99">14<td style="background-color:#EDBB99">15   </table>
+
+ */
+
+
+inline void USER_writeWord(volatile int data,int offset){
+    *(((volatile int *) USER_SPACE_ADDR)+offset) = data;
+
+}
+/**
+ * Read  word (4 bytes) at user address space 32 bit register
+ *  
+ * @param offset the offset of the register to write. Origin at the user project address
+ * 
+ * \note 
+ * Since offset is a word (4 bytes) and address space represent bytes, offset = address /4
+ * \n For example if project caravel space are 26 address bit offset = wb_addr_i[25:0]/4
+ * 
+ *  <table>
+    <caption id="multi_row"> world memory (4 bytes offset)</caption>
+    <tr><th>address<th>offset <th>byte0<th>byte1<th>byte2<th>byte3
+    <tr><td>0x0<td>0<td style="background-color:#FED64E">0<td style="background-color:#FED64E">1<td style="background-color:#FED64E">2<td style="background-color:#FED64E">3
+    <tr><td>0x4<td>1<td style="background-color:#EDBB99">4<td style="background-color:#EDBB99">5<td style="background-color:#EDBB99">6<td style="background-color:#EDBB99">7
+    <tr><td>0x8<td>2<td style="background-color:#FED64E">8<td style="background-color:#FED64E" >9<td style="background-color:#FED64E">10<td style="background-color:#FED64E">11
+    <tr><td>0xC<td>3<td style="background-color:#EDBB99">12<td style="background-color:#EDBB99">13<td style="background-color:#EDBB99">14<td style="background-color:#EDBB99">15   </table>
+
+ */
+inline volatile int USER_readWord(int offset){
+    return *(((volatile int *) USER_SPACE_ADDR)+offset);
+}
+/**
+ * Write half word (2 bytes) at user address space 32 bit register
+ *  
+ * @param data  half world data to write
+ * @param offset the offset of the register to write. Origin at the user project address
+ * @param is_first_word the offset of the register to write. Origin at the user project address
+ * 
+ * \note 
+ * Since offset is a word (4 bytes) and address space represent bytes, offset = address /4
+ * \n For example if project caravel space are 26 address bit offset = wb_addr_i[25:0]/4
+ * 
+ *  <table>
+    <caption id="multi_row"> world memory (2byte offset)</caption>
+    <tr><th>is first word<th>-<th> 1<th> 1 <th>0<th>0
+    <tr><th>address<th>offset <th>byte0<th>byte1<th>byte2<th>byte3
+    <tr><td>0x0<td>0<td style="background-color:#FEF5E7">0<td style="background-color:#FEF5E7">1<td style="background-color:#FED64E">2<td style="background-color:#FED64E">3
+    <tr><td>0x4<td>1<td style="background-color:#FAD7A0">4<td style="background-color:#FAD7A0">5<td style="background-color:#EDBB99">6<td style="background-color:#EDBB99">7
+    <tr><td>0x8<td>2<td style="background-color:#FEF5E7">8<td style="background-color:#FEF5E7" >9<td style="background-color:#FED64E">10<td style="background-color:#FED64E">11
+    <tr><td>0xC<td>3<td style="background-color:#FAD7A0">12<td style="background-color:#FAD7A0">13<td style="background-color:#EDBB99">14<td style="background-color:#EDBB99">15   </table>
+
+ */
+inline void USER_writeHalfWord(volatile short data,volatile int offset,bool is_first_word){
+    volatile int half_word_offset = offset *2 + is_first_word;
+    *(((volatile short *) USER_SPACE_ADDR)+half_word_offset) = data;
+
+}
+/**
+ * Read half word (2 bytes) at user address space 32 bit register
+ *  
+ * @param offset the offset of the register to write. Origin at the user project address
+ * @param is_first_word the offset of the register to write. Origin at the user project address
+ * 
+ * \note 
+ * Since offset is a word (4 bytes) and address space represent bytes, offset = address /4
+ * \n For example if project caravel space are 26 address bit offset = wb_addr_i[25:0]/4
+ * 
+ *  <table>
+    <caption id="multi_row"> world memory (2byte offset)</caption>
+    <tr><th>is first word<th>-<th> 1<th> 1 <th>0<th>0
+    <tr><th>address<th>offset <th>byte0<th>byte1<th>byte2<th>byte3
+    <tr><td>0x0<td>0<td style="background-color:#FEF5E7">0<td style="background-color:#FEF5E7">1<td style="background-color:#FED64E">2<td style="background-color:#FED64E">3
+    <tr><td>0x4<td>1<td style="background-color:#FAD7A0">4<td style="background-color:#FAD7A0">5<td style="background-color:#EDBB99">6<td style="background-color:#EDBB99">7
+    <tr><td>0x8<td>2<td style="background-color:#FEF5E7">8<td style="background-color:#FEF5E7" >9<td style="background-color:#FED64E">10<td style="background-color:#FED64E">11
+    <tr><td>0xC<td>3<td style="background-color:#FAD7A0">12<td style="background-color:#FAD7A0">13<td style="background-color:#EDBB99">14<td style="background-color:#EDBB99">15   </table>
+
+ */
+inline volatile short USER_readHalfWord(volatile int offset,bool is_first_word){
+    volatile int half_word_offset = offset *2 + is_first_word;
+    return *(((volatile short *) USER_SPACE_ADDR)+half_word_offset);
+}
+/**
+ * Write byte  at user address space 32 bit register
+ *  
+ * @param data byte data to write
+ * @param offset the offset of the register to write. Origin at the user project address
+ * @param byte_num number of the in the 4 bytes register (32 bits)
+ * 
+ * \note 
+ * Since offset is a word (4 bytes) and address space represent bytes, offset = address /4
+ * \n For example if project caravel space are 26 address bit offset = wb_addr_i[25:0]/4
+ * 
+ *  <table>
+    <caption id="multi_row"> world memory (2byte offset)</caption>
+    <tr><th >byte_num<th>-<th> 0 <th >1<th >2<th >3
+    <tr><th>address<th>offset <th>byte0<th>byte1<th>byte2<th>byte3
+    <tr><td>0x0<td>0<td style="background-color:#FEF5E7">0<td style="background-color:#FAD7A0">1<td style="background-color:#FED64E">2<td style="background-color:#EDBB99">3
+    <tr><td>0x4<td>1<td style="background-color:#FED64E">4<td style="background-color:#EDBB99">5<td style="background-color:#FEF5E7">6<td style="background-color:#FAD7A0">7
+    <tr><td>0x8<td>2<td style="background-color:#FEF5E7">8<td style="background-color:#FAD7A0" >9<td style="background-color:#FED64E">10<td style="background-color:#EDBB99">11
+    <tr><td>0xC<td>3<td style="background-color:#FED64E">12<td style="background-color:#EDBB99">13<td style="background-color:#FEF5E7">14<td style="background-color:#FAD7A0">15   </table>
+
+ */
+inline void USER_writeByte(volatile char data,volatile int offset,volatile char byte_num){
+    if (byte_num > 3) 
+        byte_num =0; 
+    volatile int byte_offset = offset *4 + byte_num;
+    *(((volatile char *) USER_SPACE_ADDR)+byte_offset) = data;
+}
+/**
+ * Read byte  at user address space 32 bit register
+ *  
+ * @param offset the offset of the register to write. Origin at the user project address
+ * @param byte_num number of the in the 4 bytes register (32 bits)
+ * 
+ * \note 
+ * Since offset is a word (4 bytes) and address space represent bytes, offset = address /4
+ * \n For example if project caravel space are 26 address bit offset = wb_addr_i[25:0]/4
+ * 
+ *  <table>
+    <caption id="multi_row"> world memory (2byte offset)</caption>
+    <tr><th >byte_num<th>-<th> 0 <th >1<th >2<th >3
+    <tr><th>address<th>offset <th>byte0<th>byte1<th>byte2<th>byte3
+    <tr><td>0x0<td>0<td style="background-color:#FEF5E7">0<td style="background-color:#FAD7A0">1<td style="background-color:#FED64E">2<td style="background-color:#EDBB99">3
+    <tr><td>0x4<td>1<td style="background-color:#FED64E">4<td style="background-color:#EDBB99">5<td style="background-color:#FEF5E7">6<td style="background-color:#FAD7A0">7
+    <tr><td>0x8<td>2<td style="background-color:#FEF5E7">8<td style="background-color:#FAD7A0" >9<td style="background-color:#FED64E">10<td style="background-color:#EDBB99">11
+    <tr><td>0xC<td>3<td style="background-color:#FED64E">12<td style="background-color:#EDBB99">13<td style="background-color:#FEF5E7">14<td style="background-color:#FAD7A0">15   </table>
+
+ */
+volatile char USER_readByte( volatile int offset,volatile char byte_num){
+    if (byte_num > 3) 
+        byte_num =0; 
+    volatile int byte_offset = offset *4 + byte_num;
+    return *(((volatile char *) USER_SPACE_ADDR)+byte_offset);
+}
+
+#endif // CUSTOM_USER_ADDR_SPACE_C_HEADER_FILE

silicon_tests/sram_tc/ram1k_smoke_test/Makefile

@@ -0,0 +1,5 @@
+.SUFFIXES:
+TESTNAME = ram1k_smoke_test
+
+
+include ../../common/common_makefile.mk