SPEAr: Add macb driver support for spear310 and spear320

SPEAr310 and SPEAr320 SoCs have an extra ethernet controller. The
driver for this device is already supported by u-boot, so configuring
board configuration file and defining base addresses etc to make use
of the common driver

Signed-off-by: Vipin Kumar <vipin.kumar@st.com>
Signed-off-by: Amit Virdi <amit.virdi@st.com>
Signed-off-by: Stefan Roese <sr@denx.de>

arch/arm/include/asm/arch-spear/clk.h

@@ -0,0 +1,27 @@
+/*
+ * (C) Copyright 2010
+ * Vipin Kumar, STMicroelectronics, <vipin.kumar@st.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+static inline unsigned long get_macb_pclk_rate(unsigned int dev_id)
+{
+	return 83000000;
+}

arch/arm/include/asm/arch-spear/hardware.h

@@ -56,6 +56,11 @@
 #define CONFIG_SPEAR_EMIBASE			(0x4F000000)
 #define CONFIG_SPEAR_RASBASE			(0xB4000000)
 
+#define CONFIG_SYS_MACB0_BASE			0xB0000000
+#define CONFIG_SYS_MACB1_BASE			0xB0800000
+#define CONFIG_SYS_MACB2_BASE			0xB1000000
+#define CONFIG_SYS_MACB3_BASE			0xB1800000
+
 #elif defined(CONFIG_SPEAR320)
 #define CONFIG_SYS_I2C_BASE			(0xD0180000)
 #define CONFIG_SYS_FSMC_BASE			(0x4C000000)
@@ -63,5 +68,7 @@
 #define CONFIG_SPEAR_EMIBASE			(0x40000000)
 #define CONFIG_SPEAR_RASBASE			(0xB3000000)
 
+#define CONFIG_SYS_MACB0_BASE			0xAA000000
+
 #endif
 #endif /* _ASM_ARCH_HARDWARE_H */

board/spear/spear310/spear310.c

@@ -65,9 +65,28 @@ void board_nand_init()
 
 int board_eth_init(bd_t *bis)
 {
+	int ret = 0;
+
 #if defined(CONFIG_DESIGNWARE_ETH)
-	return designware_initialize(0, CONFIG_SPEAR_ETHBASE, CONFIG_DW0_PHY);
-#else
-	return -1;
+	if (designware_initialize(0, CONFIG_SPEAR_ETHBASE, CONFIG_DW0_PHY) < 0)
+		ret += -1;
 #endif
+#if defined(CONFIG_MACB)
+	if (macb_eth_initialize(0, (void *)CONFIG_SYS_MACB0_BASE,
+				CONFIG_MACB0_PHY) < 0)
+		ret += -1;
+
+	if (macb_eth_initialize(1, (void *)CONFIG_SYS_MACB1_BASE,
+				CONFIG_MACB1_PHY) < 0)
+		ret += -1;
+
+	if (macb_eth_initialize(2, (void *)CONFIG_SYS_MACB2_BASE,
+				CONFIG_MACB2_PHY) < 0)
+		ret += -1;
+
+	if (macb_eth_initialize(3, (void *)CONFIG_SYS_MACB3_BASE,
+				CONFIG_MACB3_PHY) < 0)
+		ret += -1;
+#endif
+	return ret;
 }

board/spear/spear320/spear320.c

@@ -66,9 +66,15 @@ void board_nand_init()
 
 int board_eth_init(bd_t *bis)
 {
+	int ret = 0;
 #if defined(CONFIG_DESIGNWARE_ETH)
-	return designware_initialize(0, CONFIG_SPEAR_ETHBASE, CONFIG_DW0_PHY);
-#else
-	return -1;
+	if (designware_initialize(0, CONFIG_SPEAR_ETHBASE, CONFIG_DW0_PHY) < 0)
+		ret += -1;
 #endif
+#if defined(CONFIG_MACB)
+	if (macb_eth_initialize(0, (void *)CONFIG_SYS_MACB0_BASE,
+				CONFIG_MACB0_PHY) < 0)
+		ret += -1;
+#endif
+	return ret;
 }

include/configs/spear3xx.h

@@ -44,6 +44,19 @@
 /* Ethernet driver configuration */
 #define CONFIG_DW_ALTDESCRIPTOR			1
 
+#if defined(CONFIG_SPEAR310)
+#define CONFIG_MACB				1
+#define CONFIG_MACB0_PHY			0x01
+#define CONFIG_MACB1_PHY			0x03
+#define CONFIG_MACB2_PHY			0x05
+#define CONFIG_MACB3_PHY			0x07
+
+#elif defined(CONFIG_SPEAR320)
+#define CONFIG_MACB				1
+#define CONFIG_MACB0_PHY			0x01
+
+#endif
+
 /* Serial Configuration (PL011) */
 #define CONFIG_SYS_SERIAL0			0xD0000000