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-rw-r--r--projects/cli-test/Makefile2
-rw-r--r--projects/cli-test/cli-test.c98
-rw-r--r--projects/cli-test/mgmt-cli.c4
-rw-r--r--projects/cli-test/mgmt-cli.h33
-rw-r--r--projects/cli-test/test_sdram.c274
-rw-r--r--projects/cli-test/test_sdram.h42
6 files changed, 417 insertions, 36 deletions
diff --git a/projects/cli-test/Makefile b/projects/cli-test/Makefile
index f3976e4..7737e13 100644
--- a/projects/cli-test/Makefile
+++ b/projects/cli-test/Makefile
@@ -1,6 +1,6 @@
TEST = cli-test
-OBJS = crc32.o mgmt-cli.o
+OBJS = crc32.o mgmt-cli.o test_sdram.o
CFLAGS += -I$(LIBCLI_DIR)
LIBS += $(LIBCLI_DIR)/libcli.a
diff --git a/projects/cli-test/cli-test.c b/projects/cli-test/cli-test.c
index 152c121..dfcf856 100644
--- a/projects/cli-test/cli-test.c
+++ b/projects/cli-test/cli-test.c
@@ -37,38 +37,12 @@
#include "stm-uart.h"
#include "stm-fpgacfg.h"
#include "stm-keystore.h"
+#include "stm-sdram.h"
#include "mgmt-cli.h"
+#include "test_sdram.h"
#include <string.h>
-/* A bunch of defines to make it easier to add/maintain the CLI commands.
- *
- */
-#define _cli_cmd_struct(name, fullname, func, help) \
- static struct cli_command cmd_##fullname##_s = \
- {(char *) #name, func, 0, help, \
- PRIVILEGE_UNPRIVILEGED, MODE_EXEC, NULL, NULL, NULL}
-
-/* ROOT is a top-level label with no command */
-#define cli_command_root(name) \
- _cli_cmd_struct(name, name, NULL, NULL); \
- cli_register_command2(cli, &cmd_##name##_s, NULL)
-
-/* BRANCH is a label with a parent, but no command */
-#define cli_command_branch(parent, name) \
- _cli_cmd_struct(name, parent##_##name, NULL, NULL); \
- cli_register_command2(cli, &cmd_##parent##_##name##_s, &cmd_##parent##_s)
-
-/* NODE is a label with a parent and with a command associated with it */
-#define cli_command_node(parent, name, help) \
- _cli_cmd_struct(name, parent##_##name, cmd_##parent##_##name, (char *) help); \
- cli_register_command2(cli, &cmd_##parent##_##name##_s, &cmd_##parent##_s)
-
-/* ROOT NODE is a label without a parent, but with a command associated with it */
-#define cli_command_root_node(name, help) \
- _cli_cmd_struct(name, name, NULL, (char *) help); \
- cli_register_command2(cli, &cmd_##name##_s, NULL)
-
extern uint32_t update_crc(uint32_t crc, uint8_t *buf, int len);
@@ -306,6 +280,64 @@ int cmd_reboot(struct cli_def *cli, const char *command, char *argv[], int argc)
while (1) {};
}
+int cmd_test_sdram(struct cli_def *cli, const char *command, char *argv[], int argc)
+{
+ // run external memory initialization sequence
+ HAL_StatusTypeDef status;
+ int ok, n = 1, test_completed;
+
+ cli_print(cli, "Initializing SDRAM");
+ status = sdram_init();
+ if (status != HAL_OK) {
+ cli_print(cli, "Failed initializing SDRAM: %i", (int) status);
+ return CLI_OK;
+ }
+
+ /* XXX support number of iterations given as argument like 'test sdram 5' */
+ while (n--) {
+ cli_print(cli, "Starting SDRAM test (n = %i)", n);
+ test_completed = 0;
+ // set LFSRs to some initial value, LFSRs will produce
+ // pseudo-random 32-bit patterns to test our memories
+ lfsr1 = 0xCCAA5533;
+ lfsr2 = 0xCCAA5533;
+
+ cli_print(cli, "Run sequential write-then-read test for the first chip");
+ ok = test_sdram_sequential(SDRAM_BASEADDR_CHIP1);
+ if (!ok) break;
+
+ cli_print(cli, "Run random write-then-read test for the first chip");
+ ok = test_sdram_random(SDRAM_BASEADDR_CHIP1);
+ if (!ok) break;
+
+ cli_print(cli, "Run sequential write-then-read test for the second chip");
+ ok = test_sdram_sequential(SDRAM_BASEADDR_CHIP2);
+ if (!ok) break;
+
+ cli_print(cli, "Run random write-then-read test for the second chip");
+ ok = test_sdram_random(SDRAM_BASEADDR_CHIP2);
+ if (!ok) break;
+
+ // turn blue led on (testing two chips at the same time)
+ led_on(LED_BLUE);
+
+ cli_print(cli, "Run interleaved write-then-read test for both chips at once");
+ ok = test_sdrams_interleaved(SDRAM_BASEADDR_CHIP1, SDRAM_BASEADDR_CHIP2);
+
+ led_off(LED_BLUE);
+ test_completed = 1;
+ cli_print(cli, "SDRAM test (n = %i) completed", n);
+ }
+
+ if (! test_completed) {
+ cli_print(cli, "SDRAM test failed (n = %i)", n);
+ } else {
+ cli_print(cli, "SDRAM test completed successfully");
+ }
+
+ return CLI_OK;
+}
+
int check_auth(const char *username, const char *password)
{
if (strcasecmp(username, "ct") != 0)
@@ -349,6 +381,15 @@ void configure_cli_fpga(struct cli_def *cli)
cli_command_node(fpga_bitstream, erase, "Erase FPGA config memory");
}
+void configure_cli_test(struct cli_def *cli)
+{
+ /* test */
+ cli_command_root(test);
+
+ /* test sdram */
+ cli_command_node(test, sdram, "Run SDRAM tests");
+}
+
void configure_cli_misc(struct cli_def *cli)
{
/* filetransfer */
@@ -371,6 +412,7 @@ main()
configure_cli_show(&cli);
configure_cli_fpga(&cli);
+ configure_cli_test(&cli);
configure_cli_misc(&cli);
led_off(LED_RED);
diff --git a/projects/cli-test/mgmt-cli.c b/projects/cli-test/mgmt-cli.c
index 8d53515..faaafda 100644
--- a/projects/cli-test/mgmt-cli.c
+++ b/projects/cli-test/mgmt-cli.c
@@ -33,7 +33,6 @@
*/
#include "stm32f4xx_hal.h"
#include "stm-init.h"
-#include "stm-led.h"
#include "stm-uart.h"
#include "mgmt-cli.h"
@@ -79,11 +78,8 @@ int embedded_cli_loop(struct cli_def *cli)
while (1) {
cli_loop_start_new_command(cli, &ctx);
- HAL_GPIO_TogglePin(LED_PORT, LED_YELLOW);
while (1) {
- HAL_GPIO_TogglePin(LED_PORT, LED_BLUE);
-
cli_loop_show_prompt(cli, &ctx);
n = cli_loop_read_next_char(cli, &ctx, &c);
diff --git a/projects/cli-test/mgmt-cli.h b/projects/cli-test/mgmt-cli.h
index 2f1f139..e6780a3 100644
--- a/projects/cli-test/mgmt-cli.h
+++ b/projects/cli-test/mgmt-cli.h
@@ -38,13 +38,40 @@
#include "stm32f4xx_hal.h"
#include <libcli.h>
+
+/* A bunch of defines to make it easier to add/maintain the CLI commands.
+ *
+ */
+#define _cli_cmd_struct(name, fullname, func, help) \
+ static struct cli_command cmd_##fullname##_s = \
+ {(char *) #name, func, 0, help, \
+ PRIVILEGE_UNPRIVILEGED, MODE_EXEC, NULL, NULL, NULL}
+
+/* ROOT is a top-level label with no command */
+#define cli_command_root(name) \
+ _cli_cmd_struct(name, name, NULL, NULL); \
+ cli_register_command2(cli, &cmd_##name##_s, NULL)
+
+/* BRANCH is a label with a parent, but no command */
+#define cli_command_branch(parent, name) \
+ _cli_cmd_struct(name, parent##_##name, NULL, NULL); \
+ cli_register_command2(cli, &cmd_##parent##_##name##_s, &cmd_##parent##_s)
+
+/* NODE is a label with a parent and with a command associated with it */
+#define cli_command_node(parent, name, help) \
+ _cli_cmd_struct(name, parent##_##name, cmd_##parent##_##name, (char *) help); \
+ cli_register_command2(cli, &cmd_##parent##_##name##_s, &cmd_##parent##_s)
+
+/* ROOT NODE is a label without a parent, but with a command associated with it */
+#define cli_command_root_node(name, help) \
+ _cli_cmd_struct(name, name, NULL, (char *) help); \
+ cli_register_command2(cli, &cmd_##name##_s, NULL)
+
+
extern void uart_cli_print(struct cli_def *cli __attribute__ ((unused)), const char *buf);
extern int uart_cli_read(struct cli_def *cli __attribute__ ((unused)), void *buf, size_t count);
extern int uart_cli_write(struct cli_def *cli __attribute__ ((unused)), const void *buf, size_t count);
extern int embedded_cli_loop(struct cli_def *cli);
extern void mgmt_cli_init(struct cli_def *cli);
-extern __IO ITStatus MgmtUartDataReceived;
-extern __IO ITStatus MgmtUartShouldCli;
-
#endif /* __STM32_MGMT_CLI_H */
diff --git a/projects/cli-test/test_sdram.c b/projects/cli-test/test_sdram.c
new file mode 100644
index 0000000..e720667
--- /dev/null
+++ b/projects/cli-test/test_sdram.c
@@ -0,0 +1,274 @@
+/*
+ * test_sdram.c
+ * ------------
+ * Test code for the 2x512 MBit SDRAM working memory.
+ *
+ * Copyright (c) 2016, NORDUnet A/S All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the NORDUnet nor the names of its contributors may
+ * be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "stm32f4xx_hal.h"
+#include "stm-led.h"
+#include "stm-sdram.h"
+#include "test_sdram.h"
+
+
+uint32_t lfsr1;
+uint32_t lfsr2;
+
+
+int test_sdram_sequential(uint32_t *base_addr)
+{
+ // memory offset
+ int offset;
+
+ // readback value
+ uint32_t sdram_readback;
+
+
+ /* This test fills entire memory chip with some pseudo-random pattern
+ starting from the very first cell and going in linear fashion. It then
+ reads entire memory and compares read values with what was written. */
+
+
+ // turn on yellow led to indicate, that we're writing
+ led_on(LED_YELLOW);
+
+
+ //
+ // Note, that SDRAM_SIZE is in BYTES, and since we write using
+ // 32-bit words, total number of words is SDRAM_SIZE / 4.
+ //
+
+ // fill entire memory with "random" values
+ for (offset=0; offset<(SDRAM_SIZE >> 2); offset++) {
+ // generate next "random" value to write
+ lfsr1 = lfsr_next_32(lfsr1);
+
+ // write to memory
+ base_addr[offset] = lfsr1;
+ }
+
+
+ // turn off yellow led to indicate, that we're going to read
+ led_off(LED_YELLOW);
+
+
+ // read entire memory and compare values
+ for (offset=0; offset<(SDRAM_SIZE >> 2); offset++) {
+ // generate next "random" value (we use the second LFSR to catch up)
+ lfsr2 = lfsr_next_32(lfsr2);
+
+ // read from memory
+ sdram_readback = base_addr[offset];
+
+ // compare and abort test in case of mismatch
+ if (sdram_readback != lfsr2) return 0;
+ }
+
+ // done
+ return 1;
+}
+
+
+//-----------------------------------------------------------------------------
+int test_sdram_random(uint32_t *base_addr)
+//-----------------------------------------------------------------------------
+{
+ // cell counter, memory offset
+ int counter, offset;
+
+ // readback value
+ uint32_t sdram_readback;
+
+
+ /* This test fills entire memory chip with some pseudo-random pattern
+ starting from the very first cell, but then jumping around in pseudo-
+ random fashion to make sure, that SDRAM controller in STM32 handles
+ bank, row and column switching correctly. It then reads entire memory
+ and compares read values with what was written. */
+
+
+ // turn on yellow led to indicate, that we're writing
+ led_on(LED_YELLOW);
+
+
+ //
+ // Note, that SDRAM_SIZE is in BYTES, and since we write using
+ // 32-bit words, total number of words is SDRAM_SIZE / 4.
+ //
+
+ // start with the first cell
+ for (counter=0, offset=0; counter<(SDRAM_SIZE >> 2); counter++) {
+ // generate next "random" value to write
+ lfsr1 = lfsr_next_32(lfsr1);
+
+ // write to memory
+ base_addr[offset] = lfsr1;
+
+ // generate next "random" address
+
+ //
+ // Note, that for 64 MB memory with 32-bit data bus we need 24 bits
+ // of address, so we use 24-bit LFSR here. Since LFSR has only 2^^24-1
+ // states, i.e. all possible 24-bit values excluding 0, we have to
+ // manually kick it into some arbitrary state during the first iteration.
+ //
+
+ offset = offset ? lfsr_next_24(offset) : 0x00DEC0DE;
+ }
+
+
+ // turn off yellow led to indicate, that we're going to read
+ led_off(LED_YELLOW);
+
+
+ // read entire memory and compare values
+ for (counter=0, offset=0; counter<(SDRAM_SIZE >> 2); counter++) {
+ // generate next "random" value (we use the second LFSR to catch up)
+ lfsr2 = lfsr_next_32(lfsr2);
+
+ // read from memory
+ sdram_readback = base_addr[offset];
+
+ // compare and abort test in case of mismatch
+ if (sdram_readback != lfsr2) return 0;
+
+ // generate next "random" address
+ offset = offset ? lfsr_next_24(offset) : 0x00DEC0DE;
+ }
+
+ //
+ // we should have walked exactly 2**24 iterations and returned
+ // back to the arbitrary starting address...
+ //
+
+ if (offset != 0x00DEC0DE) return 0;
+
+
+ // done
+ return 1;
+}
+
+
+//-----------------------------------------------------------------------------
+int test_sdrams_interleaved(uint32_t *base_addr1, uint32_t *base_addr2)
+//-----------------------------------------------------------------------------
+{
+ // cell counter, memory offsets
+ int counter, offset1, offset2;
+
+ // readback value
+ uint32_t sdram_readback;
+
+
+ /* Basically this is the same as test_sdram_random() except that it
+ tests both memory chips at the same time. */
+
+
+ // turn on yellow led to indicate, that we're writing
+ led_on(LED_YELLOW);
+
+
+ //
+ // Note, that SDRAM_SIZE is in BYTES, and since we write using
+ // 32-bit words, total number of words is SDRAM_SIZE / 4.
+ //
+
+ // start with the first cell
+ for (counter=0, offset1=0, offset2=0; counter<(SDRAM_SIZE >> 2); counter++) {
+ // generate next "random" value to write
+ lfsr1 = lfsr_next_32(lfsr1);
+
+ // write to memory
+ base_addr1[offset1] = lfsr1;
+ base_addr2[offset2] = lfsr1;
+
+ // generate next "random" addresses (use different starting states!)
+
+ offset1 = offset1 ? lfsr_next_24(offset1) : 0x00ABCDEF;
+ offset2 = offset2 ? lfsr_next_24(offset2) : 0x00FEDCBA;
+ }
+
+
+ // turn off yellow led to indicate, that we're going to read
+ led_off(LED_YELLOW);
+
+
+ // read entire memory and compare values
+ for (counter=0, offset1=0, offset2=0; counter<(SDRAM_SIZE >> 2); counter++) {
+ // generate next "random" value (we use the second LFSR to catch up)
+ lfsr2 = lfsr_next_32(lfsr2);
+
+ // read from the first memory and compare
+ sdram_readback = base_addr1[offset1];
+ if (sdram_readback != lfsr2) return 0;
+
+ // read from the second memory and compare
+ sdram_readback = base_addr2[offset2];
+ if (sdram_readback != lfsr2) return 0;
+
+ // generate next "random" addresses
+ offset1 = offset1 ? lfsr_next_24(offset1) : 0x00ABCDEF;
+ offset2 = offset2 ? lfsr_next_24(offset2) : 0x00FEDCBA;
+ }
+
+ //
+ // we should have walked exactly 2**24 iterations and returned
+ // back to the arbitrary starting address...
+ //
+
+ if (offset1 != 0x00ABCDEF) return 0;
+ if (offset2 != 0x00FEDCBA) return 0;
+
+ // done
+ return 1;
+}
+
+uint32_t lfsr_next_32(uint32_t lfsr)
+{
+ uint32_t tap = 0;
+
+ tap ^= (lfsr >> 31);
+ tap ^= (lfsr >> 30);
+ tap ^= (lfsr >> 29);
+ tap ^= (lfsr >> 9);
+
+ return (lfsr << 1) | (tap & 1);
+}
+
+uint32_t lfsr_next_24(uint32_t lfsr)
+{
+ unsigned int tap = 0;
+
+ tap ^= (lfsr >> 23);
+ tap ^= (lfsr >> 22);
+ tap ^= (lfsr >> 21);
+ tap ^= (lfsr >> 16);
+
+ return ((lfsr << 1) | (tap & 1)) & 0x00FFFFFF;
+}
diff --git a/projects/cli-test/test_sdram.h b/projects/cli-test/test_sdram.h
new file mode 100644
index 0000000..b848d18
--- /dev/null
+++ b/projects/cli-test/test_sdram.h
@@ -0,0 +1,42 @@
+/*
+ * test_sdram.h
+ * ------------
+ * Prototypes and defines for testing the 2x512 MBit SDRAM working memory.
+ *
+ * Copyright (c) 2016, NORDUnet A/S All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the NORDUnet nor the names of its contributors may
+ * be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+extern uint32_t lfsr1;
+extern uint32_t lfsr2;
+
+extern int test_sdram_sequential(uint32_t *base_addr);
+extern int test_sdram_random(uint32_t *base_addr);
+extern int test_sdrams_interleaved(uint32_t *base_addr1, uint32_t *base_addr2);
+
+extern uint32_t lfsr_next_32(uint32_t lfsr);
+extern uint32_t lfsr_next_24(uint32_t lfsr);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-08 21:40:33 +0000