diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/Makefile | 4 | ||||
| -rw-r--r-- | examples/test_burst.c | 57 |
2 files changed, 45 insertions, 16 deletions
diff --git a/examples/Makefile b/examples/Makefile index fe068ab..2f8c4c4 100644 --- a/examples/Makefile +++ b/examples/Makefile @@ -58,7 +58,7 @@ include $(TOPDIR)/config.mk SREC = hello_world.srec BIN = hello_world.bin hello_world -ifeq ($(ARCH),ppc) +ifeq ($(CPU),mpc8xx) SREC = test_burst.srec BIN = test_burst.bin test_burst endif @@ -101,6 +101,8 @@ LIB = libstubs.a LIBAOBJS= ifeq ($(ARCH),ppc) LIBAOBJS+= $(ARCH)_longjmp.o $(ARCH)_setjmp.o +endif +ifeq ($(CPU),mpc8xx) LIBAOBJS+= test_burst_lib.o endif LIBCOBJS= stubs.o 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) |