From 4ab779cba6bd4c22385aa1c5f00e75ab8c02ce76 Mon Sep 17 00:00:00 2001
From: Ilya Yanok <yanok@emcraft.com>
Date: Tue, 7 Feb 2012 23:30:22 +0000
Subject: mcx: support for HTKW mcx board

This patch adds support for the HTKW mcx AM3517-based board.
Serial, Ethernet, NAND, MMC, RTC, EHCI USB host and both
NAND and MMC SPLs are supported.

Signed-off-by: Ilya Yanok <yanok@emcraft.com>
Signed-off-by: Stefano Babic <sbabic@denx.de>
CC: Tom Rini <tom.rini@gmail.com>
Cc: Detlev Zundel <dzu@denx.de>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
---
 board/htkw/mcx/mcx.c | 112 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 board/htkw/mcx/mcx.c

(limited to 'board/htkw/mcx/mcx.c')

diff --git a/board/htkw/mcx/mcx.c b/board/htkw/mcx/mcx.c
new file mode 100644
index 0000000..e593b43
--- /dev/null
+++ b/board/htkw/mcx/mcx.c
@@ -0,0 +1,112 @@
+/*
+ * Copyright (C) 2011 Ilya Yanok, Emcraft Systems
+ *
+ * Based on ti/evm/evm.c
+ *
+ * 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.
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/mem.h>
+#include <asm/arch/mmc_host_def.h>
+#include <asm/arch/mux.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/mach-types.h>
+#include <asm/gpio.h>
+#include <asm/omap_gpio.h>
+#include "errno.h"
+#include <i2c.h>
+#ifdef CONFIG_USB_EHCI
+#include <usb.h>
+#include <asm/ehci-omap.h>
+#endif
+#include "mcx.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_USB_EHCI
+static struct omap_usbhs_board_data usbhs_bdata = {
+	.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
+	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
+	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
+};
+
+int ehci_hcd_init(void)
+{
+	return omap_ehci_hcd_init(&usbhs_bdata);
+}
+
+int ehci_hcd_stop(void)
+{
+	return omap_ehci_hcd_stop();
+}
+#endif
+
+/*
+ * Routine: board_init
+ * Description: Early hardware init.
+ */
+int board_init(void)
+{
+	gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
+	/* boot param addr */
+	gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
+
+	return 0;
+}
+
+/*
+ * Routine: misc_init_r
+ * Description: late init.
+ */
+int misc_init_r(void)
+{
+	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_MCX();
+}
+
+#if defined(CONFIG_OMAP_HSMMC) && !defined(CONFIG_SPL_BUILD)
+int board_mmc_init(bd_t *bis)
+{
+	return omap_mmc_init(0);
+}
+#endif
+
+#ifdef CONFIG_USB_EHCI_OMAP
+#define USB_HOST_PWR_EN		132
+int board_usb_init(void)
+{
+	if (gpio_request(USB_HOST_PWR_EN, "USB_HOST_PWR_EN") < 0) {
+		puts("Failed to get USB_HOST_PWR_EN pin\n");
+		return -ENODEV;
+	}
+	gpio_direction_output(USB_HOST_PWR_EN, 1);
+
+	return 0;
+}
+#endif
-- 
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