initial_commit

1 files changed, 87 insertions, 0 deletions

diff --git a/arch/mips/alchemy/gpr/board_setup.c b/arch/mips/alchemy/gpr/board_setup.c
new file mode 100644
index 00000000..5f8f0691
--- /dev/null
+++ b/arch/mips/alchemy/gpr/board_setup.c
@@ -0,0 +1,87 @@
+/*
+ * Copyright 2010 Wolfgang Grandegger <wg@denx.de>
+ *
+ * Copyright 2000-2003, 2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
+ *
+ *  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  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  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.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/gpio.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+
+#include <asm/reboot.h>
+#include <asm/mach-au1x00/au1000.h>
+
+#include <prom.h>
+
+char irq_tab_alchemy[][5] __initdata = {
+	[0] = { -1, AU1500_PCI_INTA, AU1500_PCI_INTB, 0xff, 0xff },
+};
+
+static void gpr_reset(char *c)
+{
+	/* switch System-LED to orange (red# and green# on) */
+	alchemy_gpio_direction_output(4, 0);
+	alchemy_gpio_direction_output(5, 0);
+
+	/* trigger watchdog to reset board in 200ms */
+	printk(KERN_EMERG "Triggering watchdog soft reset...\n");
+	raw_local_irq_disable();
+	alchemy_gpio_direction_output(1, 0);
+	udelay(1);
+	alchemy_gpio_set_value(1, 1);
+	while (1)
+		cpu_wait();
+}
+
+static void gpr_power_off(void)
+{
+	while (1)
+		cpu_wait();
+}
+
+void __init board_setup(void)
+{
+	printk(KERN_INFO "Trapeze ITS GPR board\n");
+
+	pm_power_off = gpr_power_off;
+	_machine_halt = gpr_power_off;
+	_machine_restart = gpr_reset;
+
+	/* Enable UART1/3 */
+	alchemy_uart_enable(AU1000_UART3_PHYS_ADDR);
+	alchemy_uart_enable(AU1000_UART1_PHYS_ADDR);
+
+	/* Take away Reset of UMTS-card */
+	alchemy_gpio_direction_output(215, 1);
+
+#ifdef CONFIG_PCI
+#if defined(__MIPSEB__)
+	au_writel(0xf | (2 << 6) | (1 << 4), Au1500_PCI_CFG);
+#else
+	au_writel(0xf, Au1500_PCI_CFG);
+#endif
+#endif
+}