net: designware: Add npcm8xx sgmii pcs support
The PCS exists only in GMAC1 and relates to SGMII interface and
is used to control the SGMII PHY.
Signed-off-by: Jim Liu <JJLIU0@nuvoton.com>
[trini: Adjust slightly for white space and to move 'start' to within if
block]
diff --git a/arch/arm/include/asm/arch-npcm8xx/gmac.h b/arch/arm/include/asm/arch-npcm8xx/gmac.h
new file mode 100644
index 0000000..f84eedd
--- /dev/null
+++ b/arch/arm/include/asm/arch-npcm8xx/gmac.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+
+#ifndef _NPCM_GMAC_H_
+#define _NPCM_GMAC_H_
+
+/* PCS registers */
+#define PCS_BA 0xF0780000
+#define PCS_IND_AC 0x1FE
+#define SR_MII_MMD 0x3E0000
+#define SR_MII_MMD_CTRL 0x0
+#define SR_MII_MMD_STS 0x2
+#define VR_MII_MMD 0x3F0000
+#define VR_MII_MMD_CTRL1 0x0
+#define VR_MII_MMD_AN_CTRL 0x2
+
+#define LINK_UP_TIMEOUT (3 * CONFIG_SYS_HZ)
+
+#endif