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authorMike Rapoport <mike@compulab.co.il>2010-12-18 17:43:19 -0500
committerAlbert Aribaud <albert.aribaud@free.fr>2011-02-02 00:54:43 +0100
commit36b4e2dddd3ee481411fa50e1c34dbf823eb5f5d (patch)
tree815f29ee7e67db5fb8866c965babae5f3693dc9f /board
parenta4594e41b907f60c85ed1cf96b65602f6b587a50 (diff)
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OMAP3: add CM-T35 board
This patch adds support for CM-T35 board Signed-off-by: Mike Rapoport <mike@compulab.co.il> Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Diffstat (limited to 'board')
-rw-r--r--board/cm_t35/Makefile47
-rw-r--r--board/cm_t35/cm_t35.c371
2 files changed, 418 insertions, 0 deletions
diff --git a/board/cm_t35/Makefile b/board/cm_t35/Makefile
new file mode 100644
index 0000000..862b8dc
--- /dev/null
+++ b/board/cm_t35/Makefile
@@ -0,0 +1,47 @@
+#
+# (C) Copyright 2000, 2001, 2002
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# 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
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(BOARD).o
+
+COBJS := cm_t35.o
+
+SRCS := $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+
+$(LIB): $(obj).depend $(OBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS)
+
+clean:
+ rm -f $(OBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak $(obj).depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
diff --git a/board/cm_t35/cm_t35.c b/board/cm_t35/cm_t35.c
new file mode 100644
index 0000000..459df0b
--- /dev/null
+++ b/board/cm_t35/cm_t35.c
@@ -0,0 +1,371 @@
+/*
+ * (C) Copyright 2010
+ * CompuLab, Ltd. <www.compulab.co.il>
+ *
+ * Author: Mike Rapoport <mike@compulab.co.il>
+ *
+ * Derived from omap3evm and Beagle Board by
+ * Manikandan Pillai <mani.pillai@ti.com>
+ * Richard Woodruff <r-woodruff2@ti.com>
+ * Syed Mohammed Khasim <x0khasim@ti.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
+ */
+
+#include <common.h>
+#include <netdev.h>
+#include <net.h>
+#include <i2c.h>
+#include <twl4030.h>
+
+#include <asm/io.h>
+#include <asm/arch/mem.h>
+#include <asm/arch/mux.h>
+#include <asm/arch/mmc_host_def.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/mach-types.h>
+
+const omap3_sysinfo sysinfo = {
+ DDR_DISCRETE,
+ "CM-T35 board",
+ "NAND",
+};
+
+static u32 gpmc_net_config[GPMC_MAX_REG] = {
+ NET_GPMC_CONFIG1,
+ NET_GPMC_CONFIG2,
+ NET_GPMC_CONFIG3,
+ NET_GPMC_CONFIG4,
+ NET_GPMC_CONFIG5,
+ NET_GPMC_CONFIG6,
+ 0
+};
+
+static u32 gpmc_nand_config[GPMC_MAX_REG] = {
+ SMNAND_GPMC_CONFIG1,
+ SMNAND_GPMC_CONFIG2,
+ SMNAND_GPMC_CONFIG3,
+ SMNAND_GPMC_CONFIG4,
+ SMNAND_GPMC_CONFIG5,
+ SMNAND_GPMC_CONFIG6,
+ 0,
+};
+
+/*
+ * Routine: board_init
+ * Description: Early hardware init.
+ */
+int board_init(void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
+
+ enable_gpmc_cs_config(gpmc_nand_config, &gpmc_cfg->cs[0],
+ CONFIG_SYS_NAND_BASE, GPMC_SIZE_16M);
+
+ /* board id for Linux */
+ gd->bd->bi_arch_number = MACH_TYPE_CM_T35;
+ /* boot param addr */
+ gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
+
+ return 0;
+}
+
+/*
+ * Routine: misc_init_r
+ * Description: Init I2C and display die ID
+ */
+int misc_init_r(void)
+{
+#ifdef CONFIG_DRIVER_OMAP34XX_I2C
+ i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+#endif
+
+ dieid_num_r();
+
+ return 0;
+}
+
+/*
+ * Routine: set_muxconf_regs
+ * Description: Setting up the configuration Mux registers specific to the
+ * hardware. Many pins need to be moved from protect to primary
+ * mode.
+ */
+void set_muxconf_regs(void)
+{
+ /* SDRC */
+ MUX_VAL(CP(SDRC_D0), (IEN | PTD | DIS | M0)); /*SDRC_D0*/
+ MUX_VAL(CP(SDRC_D1), (IEN | PTD | DIS | M0)); /*SDRC_D1*/
+ MUX_VAL(CP(SDRC_D2), (IEN | PTD | DIS | M0)); /*SDRC_D2*/
+ MUX_VAL(CP(SDRC_D3), (IEN | PTD | DIS | M0)); /*SDRC_D3*/
+ MUX_VAL(CP(SDRC_D4), (IEN | PTD | DIS | M0)); /*SDRC_D4*/
+ MUX_VAL(CP(SDRC_D5), (IEN | PTD | DIS | M0)); /*SDRC_D5*/
+ MUX_VAL(CP(SDRC_D6), (IEN | PTD | DIS | M0)); /*SDRC_D6*/
+ MUX_VAL(CP(SDRC_D7), (IEN | PTD | DIS | M0)); /*SDRC_D7*/
+ MUX_VAL(CP(SDRC_D8), (IEN | PTD | DIS | M0)); /*SDRC_D8*/
+ MUX_VAL(CP(SDRC_D9), (IEN | PTD | DIS | M0)); /*SDRC_D9*/
+ MUX_VAL(CP(SDRC_D10), (IEN | PTD | DIS | M0)); /*SDRC_D10*/
+ MUX_VAL(CP(SDRC_D11), (IEN | PTD | DIS | M0)); /*SDRC_D11*/
+ MUX_VAL(CP(SDRC_D12), (IEN | PTD | DIS | M0)); /*SDRC_D12*/
+ MUX_VAL(CP(SDRC_D13), (IEN | PTD | DIS | M0)); /*SDRC_D13*/
+ MUX_VAL(CP(SDRC_D14), (IEN | PTD | DIS | M0)); /*SDRC_D14*/
+ MUX_VAL(CP(SDRC_D15), (IEN | PTD | DIS | M0)); /*SDRC_D15*/
+ MUX_VAL(CP(SDRC_D16), (IEN | PTD | DIS | M0)); /*SDRC_D16*/
+ MUX_VAL(CP(SDRC_D17), (IEN | PTD | DIS | M0)); /*SDRC_D17*/
+ MUX_VAL(CP(SDRC_D18), (IEN | PTD | DIS | M0)); /*SDRC_D18*/
+ MUX_VAL(CP(SDRC_D19), (IEN | PTD | DIS | M0)); /*SDRC_D19*/
+ MUX_VAL(CP(SDRC_D20), (IEN | PTD | DIS | M0)); /*SDRC_D20*/
+ MUX_VAL(CP(SDRC_D21), (IEN | PTD | DIS | M0)); /*SDRC_D21*/
+ MUX_VAL(CP(SDRC_D22), (IEN | PTD | DIS | M0)); /*SDRC_D22*/
+ MUX_VAL(CP(SDRC_D23), (IEN | PTD | DIS | M0)); /*SDRC_D23*/
+ MUX_VAL(CP(SDRC_D24), (IEN | PTD | DIS | M0)); /*SDRC_D24*/
+ MUX_VAL(CP(SDRC_D25), (IEN | PTD | DIS | M0)); /*SDRC_D25*/
+ MUX_VAL(CP(SDRC_D26), (IEN | PTD | DIS | M0)); /*SDRC_D26*/
+ MUX_VAL(CP(SDRC_D27), (IEN | PTD | DIS | M0)); /*SDRC_D27*/
+ MUX_VAL(CP(SDRC_D28), (IEN | PTD | DIS | M0)); /*SDRC_D28*/
+ MUX_VAL(CP(SDRC_D29), (IEN | PTD | DIS | M0)); /*SDRC_D29*/
+ MUX_VAL(CP(SDRC_D30), (IEN | PTD | DIS | M0)); /*SDRC_D30*/
+ MUX_VAL(CP(SDRC_D31), (IEN | PTD | DIS | M0)); /*SDRC_D31*/
+ MUX_VAL(CP(SDRC_CLK), (IEN | PTD | DIS | M0)); /*SDRC_CLK*/
+ MUX_VAL(CP(SDRC_DQS0), (IEN | PTD | DIS | M0)); /*SDRC_DQS0*/
+ MUX_VAL(CP(SDRC_DQS1), (IEN | PTD | DIS | M0)); /*SDRC_DQS1*/
+ MUX_VAL(CP(SDRC_DQS2), (IEN | PTD | DIS | M0)); /*SDRC_DQS2*/
+ MUX_VAL(CP(SDRC_DQS3), (IEN | PTD | DIS | M0)); /*SDRC_DQS3*/
+ MUX_VAL(CP(SDRC_CKE0), (IDIS | PTU | EN | M0)); /*SDRC_CKE0*/
+ MUX_VAL(CP(SDRC_CKE1), (IDIS | PTD | DIS | M7)); /*SDRC_CKE1*/
+
+ /* GPMC */
+ MUX_VAL(CP(GPMC_A1), (IDIS | PTU | EN | M0)); /*GPMC_A1*/
+ MUX_VAL(CP(GPMC_A2), (IDIS | PTU | EN | M0)); /*GPMC_A2*/
+ MUX_VAL(CP(GPMC_A3), (IDIS | PTU | EN | M0)); /*GPMC_A3*/
+ MUX_VAL(CP(GPMC_A4), (IDIS | PTU | EN | M0)); /*GPMC_A4*/
+ MUX_VAL(CP(GPMC_A5), (IDIS | PTU | EN | M0)); /*GPMC_A5*/
+ MUX_VAL(CP(GPMC_A6), (IDIS | PTU | EN | M0)); /*GPMC_A6*/
+ MUX_VAL(CP(GPMC_A7), (IDIS | PTU | EN | M0)); /*GPMC_A7*/
+ MUX_VAL(CP(GPMC_A8), (IDIS | PTU | EN | M0)); /*GPMC_A8*/
+ MUX_VAL(CP(GPMC_A9), (IDIS | PTU | EN | M0)); /*GPMC_A9*/
+ MUX_VAL(CP(GPMC_A10), (IDIS | PTU | EN | M0)); /*GPMC_A10*/
+ MUX_VAL(CP(GPMC_D0), (IEN | PTU | EN | M0)); /*GPMC_D0*/
+ MUX_VAL(CP(GPMC_D1), (IEN | PTU | EN | M0)); /*GPMC_D1*/
+ MUX_VAL(CP(GPMC_D2), (IEN | PTU | EN | M0)); /*GPMC_D2*/
+ MUX_VAL(CP(GPMC_D3), (IEN | PTU | EN | M0)); /*GPMC_D3*/
+ MUX_VAL(CP(GPMC_D4), (IEN | PTU | EN | M0)); /*GPMC_D4*/
+ MUX_VAL(CP(GPMC_D5), (IEN | PTU | EN | M0)); /*GPMC_D5*/
+ MUX_VAL(CP(GPMC_D6), (IEN | PTU | EN | M0)); /*GPMC_D6*/
+ MUX_VAL(CP(GPMC_D7), (IEN | PTU | EN | M0)); /*GPMC_D7*/
+ MUX_VAL(CP(GPMC_D8), (IEN | PTU | EN | M0)); /*GPMC_D8*/
+ MUX_VAL(CP(GPMC_D9), (IEN | PTU | EN | M0)); /*GPMC_D9*/
+ MUX_VAL(CP(GPMC_D10), (IEN | PTU | EN | M0)); /*GPMC_D10*/
+ MUX_VAL(CP(GPMC_D11), (IEN | PTU | EN | M0)); /*GPMC_D11*/
+ MUX_VAL(CP(GPMC_D12), (IEN | PTU | EN | M0)); /*GPMC_D12*/
+ MUX_VAL(CP(GPMC_D13), (IEN | PTU | EN | M0)); /*GPMC_D13*/
+ MUX_VAL(CP(GPMC_D14), (IEN | PTU | EN | M0)); /*GPMC_D14*/
+ MUX_VAL(CP(GPMC_D15), (IEN | PTU | EN | M0)); /*GPMC_D15*/
+ MUX_VAL(CP(GPMC_NCS0), (IDIS | PTU | EN | M0)); /*GPMC_nCS0*/
+
+ /* SB-T35 Ethernet */
+ MUX_VAL(CP(GPMC_NCS4), (IEN | PTU | EN | M0)); /*GPMC_nCS4*/
+
+ /* CM-T35 Ethernet */
+ MUX_VAL(CP(GPMC_NCS5), (IDIS | PTU | DIS | M0)); /*GPMC_nCS5*/
+ MUX_VAL(CP(GPMC_CLK), (IEN | PTD | DIS | M4)); /*GPIO_59*/
+ MUX_VAL(CP(GPMC_NADV_ALE), (IDIS | PTD | DIS | M0)); /*nADV_ALE*/
+ MUX_VAL(CP(GPMC_NOE), (IDIS | PTD | DIS | M0)); /*nOE*/
+ MUX_VAL(CP(GPMC_NWE), (IDIS | PTD | DIS | M0)); /*nWE*/
+ MUX_VAL(CP(GPMC_NBE0_CLE), (IDIS | PTU | EN | M0)); /*nBE0_CLE*/
+ MUX_VAL(CP(GPMC_NBE1), (IDIS | PTD | DIS | M4)); /*GPIO_61*/
+ MUX_VAL(CP(GPMC_NWP), (IEN | PTD | DIS | M0)); /*nWP*/
+ MUX_VAL(CP(GPMC_WAIT0), (IEN | PTU | EN | M0)); /*WAIT0*/
+
+ /* DSS */
+ MUX_VAL(CP(DSS_PCLK), (IDIS | PTD | DIS | M0)); /*DSS_PCLK*/
+ MUX_VAL(CP(DSS_HSYNC), (IDIS | PTD | DIS | M0)); /*DSS_HSYNC*/
+ MUX_VAL(CP(DSS_VSYNC), (IDIS | PTD | DIS | M0)); /*DSS_VSYNC*/
+ MUX_VAL(CP(DSS_ACBIAS), (IDIS | PTD | DIS | M0)); /*DSS_ACBIAS*/
+ MUX_VAL(CP(DSS_DATA0), (IDIS | PTD | DIS | M0)); /*DSS_DATA0*/
+ MUX_VAL(CP(DSS_DATA1), (IDIS | PTD | DIS | M0)); /*DSS_DATA1*/
+ MUX_VAL(CP(DSS_DATA2), (IDIS | PTD | DIS | M0)); /*DSS_DATA2*/
+ MUX_VAL(CP(DSS_DATA3), (IDIS | PTD | DIS | M0)); /*DSS_DATA3*/
+ MUX_VAL(CP(DSS_DATA4), (IDIS | PTD | DIS | M0)); /*DSS_DATA4*/
+ MUX_VAL(CP(DSS_DATA5), (IDIS | PTD | DIS | M0)); /*DSS_DATA5*/
+ MUX_VAL(CP(DSS_DATA6), (IDIS | PTD | DIS | M0)); /*DSS_DATA6*/
+ MUX_VAL(CP(DSS_DATA7), (IDIS | PTD | DIS | M0)); /*DSS_DATA7*/
+ MUX_VAL(CP(DSS_DATA8), (IDIS | PTD | DIS | M0)); /*DSS_DATA8*/
+ MUX_VAL(CP(DSS_DATA9), (IDIS | PTD | DIS | M0)); /*DSS_DATA9*/
+ MUX_VAL(CP(DSS_DATA10), (IDIS | PTD | DIS | M0)); /*DSS_DATA10*/
+ MUX_VAL(CP(DSS_DATA11), (IDIS | PTD | DIS | M0)); /*DSS_DATA11*/
+ MUX_VAL(CP(DSS_DATA12), (IDIS | PTD | DIS | M0)); /*DSS_DATA12*/
+ MUX_VAL(CP(DSS_DATA13), (IDIS | PTD | DIS | M0)); /*DSS_DATA13*/
+ MUX_VAL(CP(DSS_DATA14), (IDIS | PTD | DIS | M0)); /*DSS_DATA14*/
+ MUX_VAL(CP(DSS_DATA15), (IDIS | PTD | DIS | M0)); /*DSS_DATA15*/
+ MUX_VAL(CP(DSS_DATA16), (IDIS | PTD | DIS | M0)); /*DSS_DATA16*/
+ MUX_VAL(CP(DSS_DATA17), (IDIS | PTD | DIS | M0)); /*DSS_DATA17*/
+ MUX_VAL(CP(DSS_DATA18), (IDIS | PTD | DIS | M0)); /*DSS_DATA18*/
+ MUX_VAL(CP(DSS_DATA19), (IDIS | PTD | DIS | M0)); /*DSS_DATA19*/
+ MUX_VAL(CP(DSS_DATA20), (IDIS | PTD | DIS | M0)); /*DSS_DATA20*/
+ MUX_VAL(CP(DSS_DATA21), (IDIS | PTD | DIS | M0)); /*DSS_DATA21*/
+ MUX_VAL(CP(DSS_DATA22), (IDIS | PTD | DIS | M0)); /*DSS_DATA22*/
+ MUX_VAL(CP(DSS_DATA23), (IDIS | PTD | DIS | M0)); /*DSS_DATA23*/
+
+ /* serial interface */
+ MUX_VAL(CP(UART3_RX_IRRX), (IEN | PTD | DIS | M0)); /*UART3_RX*/
+ MUX_VAL(CP(UART3_TX_IRTX), (IDIS | PTD | DIS | M0)); /*UART3_TX*/
+
+ /* mUSB */
+ MUX_VAL(CP(HSUSB0_CLK), (IEN | PTD | DIS | M0)); /*HSUSB0_CLK*/
+ MUX_VAL(CP(HSUSB0_STP), (IDIS | PTU | EN | M0)); /*HSUSB0_STP*/
+ MUX_VAL(CP(HSUSB0_DIR), (IEN | PTD | DIS | M0)); /*HSUSB0_DIR*/
+ MUX_VAL(CP(HSUSB0_NXT), (IEN | PTD | DIS | M0)); /*HSUSB0_NXT*/
+ MUX_VAL(CP(HSUSB0_DATA0), (IEN | PTD | DIS | M0)); /*HSUSB0_DATA0*/
+ MUX_VAL(CP(HSUSB0_DATA1), (IEN | PTD | DIS | M0)); /*HSUSB0_DATA1*/
+ MUX_VAL(CP(HSUSB0_DATA2), (IEN | PTD | DIS | M0)); /*HSUSB0_DATA2*/
+ MUX_VAL(CP(HSUSB0_DATA3), (IEN | PTD | DIS | M0)); /*HSUSB0_DATA3*/
+ MUX_VAL(CP(HSUSB0_DATA4), (IEN | PTD | DIS | M0)); /*HSUSB0_DATA4*/
+ MUX_VAL(CP(HSUSB0_DATA5), (IEN | PTD | DIS | M0)); /*HSUSB0_DATA5*/
+ MUX_VAL(CP(HSUSB0_DATA6), (IEN | PTD | DIS | M0)); /*HSUSB0_DATA6*/
+ MUX_VAL(CP(HSUSB0_DATA7), (IEN | PTD | DIS | M0)); /*HSUSB0_DATA7*/
+
+ /* I2C1 */
+ MUX_VAL(CP(I2C1_SCL), (IEN | PTU | EN | M0)); /*I2C1_SCL*/
+ MUX_VAL(CP(I2C1_SDA), (IEN | PTU | EN | M0)); /*I2C1_SDA*/
+
+ /* control and debug */
+ MUX_VAL(CP(SYS_32K), (IEN | PTD | DIS | M0)); /*SYS_32K*/
+ MUX_VAL(CP(SYS_CLKREQ), (IEN | PTD | DIS | M0)); /*SYS_CLKREQ*/
+ MUX_VAL(CP(SYS_NIRQ), (IEN | PTU | EN | M0)); /*SYS_nIRQ*/
+ MUX_VAL(CP(SYS_OFF_MODE), (IEN | PTD | DIS | M0)); /*OFF_MODE*/
+ MUX_VAL(CP(SYS_CLKOUT1), (IEN | PTD | DIS | M0)); /*CLKOUT1*/
+ MUX_VAL(CP(SYS_CLKOUT2), (IDIS | PTD | DIS | M4)); /*green LED*/
+ MUX_VAL(CP(JTAG_nTRST), (IEN | PTD | DIS | M0)); /*JTAG_nTRST*/
+ MUX_VAL(CP(JTAG_TCK), (IEN | PTD | DIS | M0)); /*JTAG_TCK*/
+ MUX_VAL(CP(JTAG_TMS), (IEN | PTD | DIS | M0)); /*JTAG_TMS*/
+ MUX_VAL(CP(JTAG_TDI), (IEN | PTD | DIS | M0)); /*JTAG_TDI*/
+}
+
+#ifdef CONFIG_GENERIC_MMC
+int board_mmc_init(bd_t *bis)
+{
+ return omap_mmc_init(0);
+}
+#endif
+
+/*
+ * Routine: setup_net_chip_gmpc
+ * Description: Setting up the configuration GPMC registers specific to the
+ * Ethernet hardware.
+ */
+static void setup_net_chip_gmpc(void)
+{
+ struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
+
+ enable_gpmc_cs_config(gpmc_net_config, &gpmc_cfg->cs[5],
+ CM_T35_SMC911X_BASE, GPMC_SIZE_16M);
+ enable_gpmc_cs_config(gpmc_net_config, &gpmc_cfg->cs[4],
+ SB_T35_SMC911X_BASE, GPMC_SIZE_16M);
+
+ /* Enable off mode for NWE in PADCONF_GPMC_NWE register */
+ writew(readw(&ctrl_base->gpmc_nwe) | 0x0E00, &ctrl_base->gpmc_nwe);
+
+ /* Enable off mode for NOE in PADCONF_GPMC_NADV_ALE register */
+ writew(readw(&ctrl_base->gpmc_noe) | 0x0E00, &ctrl_base->gpmc_noe);
+
+ /* Enable off mode for ALE in PADCONF_GPMC_NADV_ALE register */
+ writew(readw(&ctrl_base->gpmc_nadv_ale) | 0x0E00,
+ &ctrl_base->gpmc_nadv_ale);
+}
+
+#ifdef CONFIG_DRIVER_OMAP34XX_I2C
+/*
+ * Routine: reset_net_chip
+ * Description: reset the Ethernet controller via TPS65930 GPIO
+ */
+static void reset_net_chip(void)
+{
+ /* Set GPIO1 of TPS65930 as output */
+ twl4030_i2c_write_u8(TWL4030_CHIP_GPIO, 0x02,
+ TWL4030_BASEADD_GPIO+0x03);
+ /* Send a pulse on the GPIO pin */
+ twl4030_i2c_write_u8(TWL4030_CHIP_GPIO, 0x02,
+ TWL4030_BASEADD_GPIO+0x0C);
+ udelay(1);
+ twl4030_i2c_write_u8(TWL4030_CHIP_GPIO, 0x02,
+ TWL4030_BASEADD_GPIO+0x09);
+ udelay(1);
+ twl4030_i2c_write_u8(TWL4030_CHIP_GPIO, 0x02,
+ TWL4030_BASEADD_GPIO+0x0C);
+}
+#else
+static inline void reset_net_chip(void) {}
+#endif
+
+/*
+ * Routine: handle_mac_address
+ * Description: prepare MAC address for on-board Ethernet.
+ */
+static int handle_mac_address(void)
+{
+ unsigned char enetaddr[6];
+ int rc;
+
+ rc = eth_getenv_enetaddr("ethaddr", enetaddr);
+ if (rc)
+ return 0;
+
+#ifdef CONFIG_DRIVER_OMAP34XX_I2C
+ rc = i2c_read(0x50, 0, 1, enetaddr, 6);
+ if (rc)
+ return rc;
+#endif
+
+ if (!is_valid_ether_addr(enetaddr))
+ return -1;
+
+ return eth_setenv_enetaddr("ethaddr", enetaddr);
+}
+
+
+/*
+ * Routine: board_eth_init
+ * Description: initialize module and base-board Ethernet chips
+ */
+int board_eth_init(bd_t *bis)
+{
+ int rc = 0, rc1 = 0;
+
+#ifdef CONFIG_SMC911X
+ setup_net_chip_gmpc();
+ reset_net_chip();
+
+ rc1 = handle_mac_address();
+ if (rc1)
+ printf("CM-T35: No MAC address found\n");
+
+ rc1 = smc911x_initialize(0, CM_T35_SMC911X_BASE);
+ if (rc1 > 0)
+ rc++;
+
+ rc1 = smc911x_initialize(1, SB_T35_SMC911X_BASE);
+ if (rc1 > 0)
+ rc++;
+#endif
+
+ return rc;
+}