Instead of depending on CONFIG_SYS_LITTLE_ENDIAN, we check at runtime
whether underlying system is little-endian or big-endian. This way
we are not dependent on any U-Boot specific OR compiler specific macro
to check system endianness.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
struct macb_device {
void *regs;
struct macb_device {
void *regs;
const struct macb_config *config;
unsigned int rx_tail;
const struct macb_config *config;
unsigned int rx_tail;
dmacfg |= GEM_BIT(TXPBMS) | GEM_BF(RXBMS, -1L);
dmacfg &= ~GEM_BIT(ENDIA_PKT);
dmacfg |= GEM_BIT(TXPBMS) | GEM_BF(RXBMS, -1L);
dmacfg &= ~GEM_BIT(ENDIA_PKT);
-#ifdef CONFIG_SYS_LITTLE_ENDIAN
- dmacfg &= ~GEM_BIT(ENDIA_DESC);
-#else
+ if (macb->is_big_endian)
dmacfg |= GEM_BIT(ENDIA_DESC); /* CPU in big endian */
dmacfg |= GEM_BIT(ENDIA_DESC); /* CPU in big endian */
+ else
+ dmacfg &= ~GEM_BIT(ENDIA_DESC);
dmacfg &= ~GEM_BIT(ADDR64);
gem_writel(macb, DMACFG, dmacfg);
dmacfg &= ~GEM_BIT(ADDR64);
gem_writel(macb, DMACFG, dmacfg);
macb->regs = (void *)pdata->iobase;
macb->regs = (void *)pdata->iobase;
+ macb->is_big_endian = (cpu_to_be32(0x12345678) == 0x12345678);
+
macb->config = (struct macb_config *)dev_get_driver_data(dev);
if (!macb->config)
macb->config = &default_gem_config;
macb->config = (struct macb_config *)dev_get_driver_data(dev);
if (!macb->config)
macb->config = &default_gem_config;