From: Patrick Delaunay <patrick.delaunay@st.com>
Date: Tue, 30 Jul 2019 17:16:50 +0000 (+0200)
Subject: stm32mp1: ram: update loop management in infinite test
X-Git-Tag: v2019.10-rc4~31^2~18
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=37f41ae900388965dd07486004b65e5f11f9a82e;p=platform%2Fkernel%2Fu-boot.git

stm32mp1: ram: update loop management in infinite test

Reduce verbosity of the infinite tests to avoid CubeMX issue.
test and display loop by 1024*1024 accesses: read or write.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
---

diff --git a/drivers/ram/stm32mp1/stm32mp1_tests.c b/drivers/ram/stm32mp1/stm32mp1_tests.c
index 691c63c..7356802 100644
--- a/drivers/ram/stm32mp1/stm32mp1_tests.c
+++ b/drivers/ram/stm32mp1/stm32mp1_tests.c
@@ -1241,6 +1241,7 @@ static enum test_result test_read(struct stm32mp1_ddrctl *ctl,
 	u32 *addr;
 	u32 data;
 	u32 loop = 0;
+	int i, size = 1024 * 1024;
 	bool random = false;
 
 	if (get_addr(string, argc, argv, 0, (u32 *)&addr))
@@ -1254,14 +1255,19 @@ static enum test_result test_read(struct stm32mp1_ddrctl *ctl,
 	printf("running at 0x%08x\n", (u32)addr);
 
 	while (1) {
-		if (random)
-			addr = (u32 *)(STM32_DDR_BASE +
-			       (rand() & (STM32_DDR_SIZE - 1) & ~0x3));
-		data = readl(addr);
-		if (test_loop_end(&loop, 0, 1000))
+		for (i = 0; i < size; i++) {
+			if (random)
+				addr = (u32 *)(STM32_DDR_BASE +
+				       (rand() & (STM32_DDR_SIZE - 1) & ~0x3));
+			data = readl(addr);
+		}
+		if (test_loop_end(&loop, 0, 1))
 			break;
 	}
-	sprintf(string, "0x%x: %x", (u32)addr, data);
+	if (random)
+		sprintf(string, "%d loops random", loop);
+	else
+		sprintf(string, "%d loops at 0x%x: %x", loop, (u32)addr, data);
 
 	return TEST_PASSED;
 }
@@ -1280,6 +1286,7 @@ static enum test_result test_write(struct stm32mp1_ddrctl *ctl,
 	u32 *addr;
 	u32 data = 0xA5A5AA55;
 	u32 loop = 0;
+	int i, size = 1024 * 1024;
 	bool random = false;
 
 	if (get_addr(string, argc, argv, 0, (u32 *)&addr))
@@ -1293,16 +1300,21 @@ static enum test_result test_write(struct stm32mp1_ddrctl *ctl,
 	printf("running at 0x%08x\n", (u32)addr);
 
 	while (1) {
-		if (random) {
-			addr = (u32 *)(STM32_DDR_BASE +
-			       (rand() & (STM32_DDR_SIZE - 1) & ~0x3));
-			data = rand();
+		for (i = 0; i < size; i++) {
+			if (random) {
+				addr = (u32 *)(STM32_DDR_BASE +
+				       (rand() & (STM32_DDR_SIZE - 1) & ~0x3));
+				data = rand();
+			}
+			writel(data, addr);
 		}
-		writel(data, addr);
-		if (test_loop_end(&loop, 0, 1000))
+		if (test_loop_end(&loop, 0, 1))
 			break;
 	}
-	sprintf(string, "0x%x: %x", (u32)addr, data);
+	if (random)
+		sprintf(string, "%d loops random", loop);
+	else
+		sprintf(string, "%d loops at 0x%x: %x", loop, (u32)addr, data);
 
 	return TEST_PASSED;
 }