#if (CFG_SYSTEMACE_WIDTH == 8)
#if !defined(__BIG_ENDIAN)
#define ace_readw(off) ((readb(CFG_SYSTEMACE_BASE+off)<<8) | \
- (readb(CFG_SYSTEMACE_BASE+off+1)))
+ (readb(CFG_SYSTEMACE_BASE+off+1)))
#define ace_writew(val, off) {writeb(val>>8, CFG_SYSTEMACE_BASE+off); \
writeb(val, CFG_SYSTEMACE_BASE+off+1);}
#else
#define ace_readw(off) ((readb(CFG_SYSTEMACE_BASE+off)) | \
- (readb(CFG_SYSTEMACE_BASE+off+1)<<8))
+ (readb(CFG_SYSTEMACE_BASE+off+1)<<8))
#define ace_writew(val, off) {writeb(val, CFG_SYSTEMACE_BASE+off); \
writeb(val>>8, CFG_SYSTEMACE_BASE+off+1);}
#endif
/* */
static unsigned long systemace_read(int dev, unsigned long start,
- unsigned long blkcnt, void *buffer);
+ unsigned long blkcnt, void *buffer);
static block_dev_desc_t systemace_dev = { 0 };
systemace_dev.removable = 1;
systemace_dev.block_read = systemace_read;
-#if (CFG_SYSTEMACE_WIDTH == 16)
/*
- * By default the SystemACE comes up in 8-bit mode.
- * Ensure that 16-bit mode gets enabled.
+ * Ensure the correct bus mode (8/16 bits) gets enabled
*/
- ace_writew(0x0001, 0);
-#endif
+ ace_writew(CFG_SYSTEMACE_WIDTH == 8 ? 0 : 0x0001, 0);
init_part(&systemace_dev);
* number of blocks read. A zero return indicates an error.
*/
static unsigned long systemace_read(int dev, unsigned long start,
- unsigned long blkcnt, void *buffer)
+ unsigned long blkcnt, void *buffer)
{
int retry;
unsigned blk_countdown;
/* Write sector count | ReadMemCardData. */
ace_writew((trans & 0xff) | 0x0300, 0x14);
+/*
+ * For FPGA configuration via SystemACE is reset unacceptable
+ * CFGDONE bit in STATUSREG is not set to 1.
+ */
+#ifndef SYSTEMACE_CONFIG_FPGA
/* Reset the configruation controller */
val = ace_readw(0x18);
val |= 0x0080;
ace_writew(val, 0x18);
+#endif
retry = trans * 16;
while (retry > 0) {