mpc83xx: Disable G1TXCLK, G2TXCLK h/w buffers
Disable G1TXCLK, G2TXCLK h/w buffers. This patch
fixes a networking timeout issue with MPC8360EA (Rev.2) PBs.
Verified on Rev. 1.1, Rev. 1.2, and Rev. 2.0 boards.
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Emilian Medve <Emilian.Medve@freescale.com>
diff --git a/board/mpc8360emds/mpc8360emds.c b/board/mpc8360emds/mpc8360emds.c
index 54b9acc..535884c 100644
--- a/board/mpc8360emds/mpc8360emds.c
+++ b/board/mpc8360emds/mpc8360emds.c
@@ -90,11 +90,18 @@
int board_early_init_f(void)
{
- volatile u8 *bcsr = (volatile u8 *)CFG_BCSR;
+
+ u8 *bcsr = (u8 *)CFG_BCSR;
+ const immap_t *immr = (immap_t *)CFG_IMMR;
/* Enable flash write */
bcsr[0xa] &= ~0x04;
+ /* Disable G1TXCLK, G2TXCLK h/w buffers (rev.2 h/w bug workaround) */
+ if (immr->sysconf.spridr == SPR_8360_REV20 ||
+ immr->sysconf.spridr == SPR_8360E_REV20)
+ bcsr[0xe] = 0x30;
+
return 0;
}