1 files changed, 79 insertions, 0 deletions

diff --git a/arch/mips/alchemy/xxs1500/board_setup.c b/arch/mips/alchemy/xxs1500/board_setup.c
new file mode 100644
index 000000000000..4c587acac5c3
--- /dev/null
+++ b/arch/mips/alchemy/xxs1500/board_setup.c
@@ -0,0 +1,79 @@
+/*
+ * 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/init.h>
+#include <linux/delay.h>
+
+#include <asm/mach-au1x00/au1000.h>
+
+void board_reset(void)
+{
+        /* Hit BCSR.SYSTEM_CONTROL[SW_RST] */
+        au_writel(0x00000000, 0xAE00001C);
+}
+
+void __init board_setup(void)
+{
+        u32 pin_func;
+
+        /* Set multiple use pins (UART3/GPIO) to UART (it's used as UART too) */
+        pin_func  = au_readl(SYS_PINFUNC) & ~SYS_PF_UR3;
+        pin_func |= SYS_PF_UR3;
+        au_writel(pin_func, SYS_PINFUNC);
+
+        /* Enable UART */
+        au_writel(0x01, UART3_ADDR + UART_MOD_CNTRL); /* clock enable (CE) */
+        mdelay(10);
+        au_writel(0x03, UART3_ADDR + UART_MOD_CNTRL); /* CE and "enable" */
+        mdelay(10);
+
+        /* Enable DTR = USB power up */
+        au_writel(0x01, UART3_ADDR + UART_MCR); /* UART_MCR_DTR is 0x01??? */
+
+#ifdef CONFIG_PCMCIA_XXS1500
+        /* Setup PCMCIA signals */
+        au_writel(0, SYS_PININPUTEN);
+
+        /* GPIO 0, 1, and 4 are inputs */
+        au_writel(1 | (1 << 1) | (1 << 4), SYS_TRIOUTCLR);
+
+        /* Enable GPIO2 if not already enabled */
+        au_writel(1, GPIO2_ENABLE);
+        /* GPIO2 208/9/10/11 are inputs */
+        au_writel((1 << 8) | (1 << 9) | (1 << 10) | (1 << 11), GPIO2_DIR);
+
+        /* Turn off power */
+        au_writel((au_readl(GPIO2_PINSTATE) & ~(1 << 14)) | (1 << 30),
+                  GPIO2_OUTPUT);
+#endif
+
+#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
+}