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Diffstat (limited to 'examples/test_burst.c')
-rw-r--r--examples/test_burst.c57
1 files changed, 42 insertions, 15 deletions
diff --git a/examples/test_burst.c b/examples/test_burst.c
index 01fe239..ba23f14 100644
--- a/examples/test_burst.c
+++ b/examples/test_burst.c
@@ -47,12 +47,32 @@
*/
#define TEST_FLASH_ADDR 0x40100000
+/* Define GPIO ports to signal start of burst transfers and errors */
+#ifdef CONFIG_LWMON
+/* Use PD.8 to signal start of burst transfers */
+#define GPIO1_DAT (((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pddat)
+#define GPIO1_BIT 0x0080
+/* Configure PD.8 as general purpose output */
+#define GPIO1_INIT \
+ ((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pdpar &= ~GPIO1_BIT; \
+ ((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pddir |= GPIO1_BIT;
+/* Use PD.9 to signal error */
+#define GPIO2_DAT (((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pddat)
+#define GPIO2_BIT 0x0040
+/* Configure PD.9 as general purpose output */
+#define GPIO2_INIT \
+ ((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pdpar &= ~GPIO2_BIT; \
+ ((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pddir |= GPIO2_BIT;
+#endif /* CONFIG_LWMON */
+
+
static void test_prepare (void);
static int test_burst_start (unsigned long size, unsigned long pattern);
static void test_map_8M (unsigned long paddr, unsigned long vaddr, int cached);
static int test_mmu_is_on(void);
static void test_desc(unsigned long size);
static void test_error(char * step, volatile void * addr, unsigned long val, unsigned long pattern);
+static void signal_init(void);
static void signal_start(void);
static void signal_error(void);
static void test_usage(void);
@@ -107,8 +127,6 @@ Done:
static void test_prepare (void)
{
- volatile immap_t *immr = (immap_t *) CFG_IMMR;
-
printf ("\n");
caches_init();
@@ -127,9 +145,8 @@ static void test_prepare (void)
test_map_8M (TEST_FLASH_ADDR & 0xFF800000, TEST_FLASH_ADDR & 0xFF800000, 0);
- /* Configure PD.8 and PD.9 as general purpose output */
- immr->im_ioport.iop_pdpar &= ~0x00C0;
- immr->im_ioport.iop_pddir |= 0x00C0;
+ /* Configure GPIO ports */
+ signal_init();
}
static int test_burst_start (unsigned long size, unsigned long pattern)
@@ -247,26 +264,36 @@ static void test_error(
step, addr, val, pattern);
}
-static void signal_start(void)
+static void signal_init(void)
{
- volatile immap_t *immr = (immap_t *) CFG_IMMR;
+#if defined(GPIO1_INIT)
+ GPIO1_INIT;
+#endif
+#if defined(GPIO2_INIT)
+ GPIO2_INIT;
+#endif
+}
- if (immr->im_ioport.iop_pddat & 0x0080) {
- immr->im_ioport.iop_pddat &= ~0x0080;
+static void signal_start(void)
+{
+#if defined(GPIO1_INIT)
+ if (GPIO1_DAT & GPIO1_BIT) {
+ GPIO1_DAT &= ~GPIO1_BIT;
} else {
- immr->im_ioport.iop_pddat |= 0x0080;
+ GPIO1_DAT |= GPIO1_BIT;
}
+#endif
}
static void signal_error(void)
{
- volatile immap_t *immr = (immap_t *) CFG_IMMR;
-
- if (immr->im_ioport.iop_pddat & 0x0040) {
- immr->im_ioport.iop_pddat &= ~0x0040;
+#if defined(GPIO2_INIT)
+ if (GPIO2_DAT & GPIO2_BIT) {
+ GPIO2_DAT &= ~GPIO2_BIT;
} else {
- immr->im_ioport.iop_pddat |= 0x0040;
+ GPIO2_DAT |= GPIO2_BIT;
}
+#endif
}
static void test_usage(void)