ARMV7: OMAP3: Add support for Comelit DIG297 board

Board support for the DIG297 board manufactured by Comelit Group SpA.
It is a custom board based on the BeagleBoard <http://beagleboard.org/> by
Texas Instruments.

The board support is based on the BeagleBoard implementation.

Signed-off-by: Luca Ceresoli <luca.ceresoli@comelit.it>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Albert Aribaud <albert.aribaud@free.fr>
Cc: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>

1 files changed, 187 insertions, 0 deletions

diff --git a/board/comelit/dig297/dig297.c b/board/comelit/dig297/dig297.c
new file mode 100644
index 000000000..0062f120d
--- /dev/null
+++ b/board/comelit/dig297/dig297.c
@@ -0,0 +1,187 @@
+/*
+ * (C) Copyright 2011 Comelit Group SpA
+ * Luca Ceresoli <luca.ceresoli@comelit.it>
+ *
+ * Based on board/ti/beagle/beagle.c:
+ * (C) Copyright 2004-2008
+ * Texas Instruments, <www.ti.com>
+ *
+ * Author :
+ *	Sunil Kumar <sunilsaini05@gmail.com>
+ *	Shashi Ranjan <shashiranjanmca05@gmail.com>
+ *
+ * Derived from Beagle Board and 3430 SDP code by
+ *	Richard Woodruff <r-woodruff2@ti.com>
+ *	Syed Mohammed Khasim <khasim@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 <twl4030.h>
+#include <asm/io.h>
+#include <asm/arch/omap3-regs.h>
+#include <asm/arch/mux.h>
+#include <asm/arch/mem.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/gpio.h>
+#include <asm/mach-types.h>
+#include "dig297.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_CMD_NET
+static void setup_net_chip(void);
+
+#define NET_LAN9221_RESET_GPIO 12
+
+/* GPMC CS 5 connected to an SMSC LAN9220 ethernet controller */
+#define NET_LAN9220_GPMC_CONFIG1	(DEVICESIZE_16BIT)
+#define NET_LAN9220_GPMC_CONFIG2	(CSWROFFTIME(8) | \
+					 CSRDOFFTIME(7) | \
+					 ADVONTIME(1))
+#define NET_LAN9220_GPMC_CONFIG3	(ADVWROFFTIME(2) | \
+					 ADVRDOFFTIME(2) | \
+					 ADVONTIME(1))
+#define NET_LAN9220_GPMC_CONFIG4	(WEOFFTIME(8) | \
+					 WEONTIME(1) |  \
+					 OEOFFTIME(7)|	\
+					 OEONTIME(1))
+#define NET_LAN9220_GPMC_CONFIG5	(PAGEBURSTACCESSTIME(0) | \
+					 RDACCESSTIME(6)        | \
+					 WRCYCLETIME(0x1D)      | \
+					 RDCYCLETIME(0x1D))
+#define NET_LAN9220_GPMC_CONFIG6	((1 << 31)          | \
+					 WRACCESSTIME(0x1D) | \
+					 WRDATAONADMUXBUS(3))
+
+static const u32 gpmc_lan_config[] = {
+	NET_LAN9220_GPMC_CONFIG1,
+	NET_LAN9220_GPMC_CONFIG2,
+	NET_LAN9220_GPMC_CONFIG3,
+	NET_LAN9220_GPMC_CONFIG4,
+	NET_LAN9220_GPMC_CONFIG5,
+	NET_LAN9220_GPMC_CONFIG6,
+	/* CONFIG7: computed by enable_gpmc_cs_config() */
+};
+#endif /* CONFIG_CMD_NET */
+
+/*
+ * Routine: board_init
+ * Description: Early hardware init.
+ */
+int board_init(void)
+{
+	gpmc_init();		/* in SRAM or SDRAM, finish GPMC */
+	/* board id for Linux */
+	gd->bd->bi_arch_number = MACH_TYPE_OMAP3_CPS;
+	/* boot param addr */
+	gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
+
+	return 0;
+}
+
+/*
+ * Routine: misc_init_r
+ * Description: Configure board specific parts
+ */
+int misc_init_r(void)
+{
+	struct gpio *gpio1_base = (struct gpio *)OMAP34XX_GPIO1_BASE;
+	struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE;
+
+	twl4030_power_init();
+	twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
+
+	/*
+	 * GPIO list
+	 * - 159 OUT (GPIO5+31): reset for remote camera interface connector.
+	 * - 19  OUT (GPIO1+19): integrated speaker amplifier (1=on, 0=shdn).
+	 * - 20  OUT (GPIO1+20): handset amplifier (1=on, 0=shdn).
+	 */
+
+	/* Configure GPIOs to output */
+	writel(~(GPIO19 | GPIO20), &gpio1_base->oe);
+	writel(~(GPIO31), &gpio5_base->oe);
+
+	/* Set GPIO values */
+	writel((GPIO19 | GPIO20), &gpio1_base->setdataout);
+	writel(0, &gpio5_base->setdataout);
+
+#if defined(CONFIG_CMD_NET)
+	setup_net_chip();
+#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)
+{
+	MUX_DIG297();
+}
+
+#ifdef CONFIG_CMD_NET
+/*
+ * Routine: setup_net_chip
+ * Description: Setting up the configuration GPMC registers specific to the
+ *	      Ethernet hardware.
+ */
+static void setup_net_chip(void)
+{
+	struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
+
+	/* Configure GPMC registers */
+	enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5],
+			      CONFIG_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);
+
+	/* Make GPIO 12 as output pin and send a magic pulse through it */
+	if (!omap_request_gpio(NET_LAN9221_RESET_GPIO)) {
+		omap_set_gpio_direction(NET_LAN9221_RESET_GPIO, 0);
+		omap_set_gpio_dataout(NET_LAN9221_RESET_GPIO, 1);
+		udelay(1);
+		omap_set_gpio_dataout(NET_LAN9221_RESET_GPIO, 0);
+		udelay(31000);	/* Should be >= 30ms according to datasheet */
+		omap_set_gpio_dataout(NET_LAN9221_RESET_GPIO, 1);
+	}
+}
+#endif /* CONFIG_CMD_NET */
+
+int board_eth_init(bd_t *bis)
+{
+	int rc = 0;
+	rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
+	return rc;
+}