1 files changed, 98 insertions, 0 deletions

diff --git a/arch/mips/alchemy/mtx-1/board_setup.c b/arch/mips/alchemy/mtx-1/board_setup.c
new file mode 100644
index 00000000000..3f8079186cf
--- /dev/null
+++ b/arch/mips/alchemy/mtx-1/board_setup.c
@@ -0,0 +1,98 @@
+/*
+ *
+ * BRIEF MODULE DESCRIPTION
+ *      4G Systems MTX-1 board setup.
+ *
+ * Copyright 2003, 2008 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc. <source@mvista.com>
+ *         Bruno Randolf <bruno.randolf@4g-systems.biz>
+ *
+ *  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 <asm/mach-au1x00/au1000.h>
+
+extern int (*board_pci_idsel)(unsigned int devsel, int assert);
+int mtx1_pci_idsel(unsigned int devsel, int assert);
+
+void board_reset(void)
+{
+        /* Hit BCSR.SYSTEM_CONTROL[SW_RST] */
+        au_writel(0x00000000, 0xAE00001C);
+}
+
+void __init board_setup(void)
+{
+#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
+        /* Enable USB power switch */
+        au_writel(au_readl(GPIO2_DIR) | 0x10, GPIO2_DIR);
+        au_writel(0x100000, GPIO2_OUTPUT);
+#endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */
+
+#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
+
+        /* Initialize sys_pinfunc */
+        au_writel(SYS_PF_NI2, SYS_PINFUNC);
+
+        /* Initialize GPIO */
+        au_writel(0xFFFFFFFF, SYS_TRIOUTCLR);
+        au_writel(0x00000001, SYS_OUTPUTCLR); /* set M66EN (PCI 66MHz) to OFF */
+        au_writel(0x00000008, SYS_OUTPUTSET); /* set PCI CLKRUN# to OFF */
+        au_writel(0x00000002, SYS_OUTPUTSET); /* set EXT_IO3 ON */
+        au_writel(0x00000020, SYS_OUTPUTCLR); /* set eth PHY TX_ER to OFF */
+
+        /* Enable LED and set it to green */
+        au_writel(au_readl(GPIO2_DIR) | 0x1800, GPIO2_DIR);
+        au_writel(0x18000800, GPIO2_OUTPUT);
+
+        board_pci_idsel = mtx1_pci_idsel;
+
+        printk(KERN_INFO "4G Systems MTX-1 Board\n");
+}
+
+int
+mtx1_pci_idsel(unsigned int devsel, int assert)
+{
+#define MTX_IDSEL_ONLY_0_AND_3 0
+#if MTX_IDSEL_ONLY_0_AND_3
+        if (devsel != 0 && devsel != 3) {
+                printk(KERN_ERR "*** not 0 or 3\n");
+                return 0;
+        }
+#endif
+
+        if (assert && devsel != 0)
+                /* Suppress signal to Cardbus */
+                au_writel(0x00000002, SYS_OUTPUTCLR); /* set EXT_IO3 OFF */
+        else
+                au_writel(0x00000002, SYS_OUTPUTSET); /* set EXT_IO3 ON */
+        au_sync_udelay(1);
+        return 1;
+}
+