3 files changed, 163 insertions, 0 deletions

diff --git a/arch/mips/alchemy/devboards/pb1550/Makefile b/arch/mips/alchemy/devboards/pb1550/Makefile
new file mode 100644
index 00000000000..9661b6ec5dd
--- /dev/null
+++ b/arch/mips/alchemy/devboards/pb1550/Makefile
@@ -0,0 +1,8 @@
+#
+#  Copyright 2000, 2008 MontaVista Software Inc.
+#  Author: MontaVista Software, Inc. <source@mvista.com>
+#
+# Makefile for the Alchemy Semiconductor Pb1550 board.
+#
+
+obj-y := board_setup.o platform.o
diff --git a/arch/mips/alchemy/devboards/pb1550/board_setup.c b/arch/mips/alchemy/devboards/pb1550/board_setup.c
new file mode 100644
index 00000000000..b790213848b
--- /dev/null
+++ b/arch/mips/alchemy/devboards/pb1550/board_setup.c
@@ -0,0 +1,86 @@
+/*
+ *
+ * BRIEF MODULE DESCRIPTION
+ *      Alchemy Pb1550 board setup.
+ *
+ * Copyright 2000, 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/interrupt.h>
+
+#include <asm/mach-au1x00/au1000.h>
+#include <asm/mach-pb1x00/pb1550.h>
+#include <asm/mach-db1x00/bcsr.h>
+#include <asm/mach-au1x00/gpio.h>
+
+#include <prom.h>
+
+
+char irq_tab_alchemy[][5] __initdata = {
+        [12] = { -1, AU1550_PCI_INTB, AU1550_PCI_INTC, AU1550_PCI_INTD, AU1550_PCI_INTA }, /* IDSEL 12 - PCI slot 2 (left)  */
+        [13] = { -1, AU1550_PCI_INTA, AU1550_PCI_INTB, AU1550_PCI_INTC, AU1550_PCI_INTD }, /* IDSEL 13 - PCI slot 1 (right) */
+};
+
+const char *get_system_type(void)
+{
+        return "Alchemy Pb1550";
+}
+
+void __init board_setup(void)
+{
+        u32 pin_func;
+
+        bcsr_init(PB1550_BCSR_PHYS_ADDR,
+                  PB1550_BCSR_PHYS_ADDR + PB1550_BCSR_HEXLED_OFS);
+
+        alchemy_gpio2_enable();
+
+        /*
+         * Enable PSC1 SYNC for AC'97.  Normaly done in audio driver,
+         * but it is board specific code, so put it here.
+         */
+        pin_func = au_readl(SYS_PINFUNC);
+        au_sync();
+        pin_func |= SYS_PF_MUST_BE_SET | SYS_PF_PSC1_S1;
+        au_writel(pin_func, SYS_PINFUNC);
+
+        bcsr_write(BCSR_PCMCIA, 0);     /* turn off PCMCIA power */
+
+        printk(KERN_INFO "AMD Alchemy Pb1550 Board\n");
+}
+
+static int __init pb1550_init_irq(void)
+{
+        irq_set_irq_type(AU1550_GPIO0_INT, IRQF_TRIGGER_LOW);
+        irq_set_irq_type(AU1550_GPIO1_INT, IRQF_TRIGGER_LOW);
+        irq_set_irq_type(AU1550_GPIO201_205_INT, IRQF_TRIGGER_HIGH);
+
+        /* enable both PCMCIA card irqs in the shared line */
+        alchemy_gpio2_enable_int(201);
+        alchemy_gpio2_enable_int(202);
+
+        return 0;
+}
+arch_initcall(pb1550_init_irq);
diff --git a/arch/mips/alchemy/devboards/pb1550/platform.c b/arch/mips/alchemy/devboards/pb1550/platform.c
new file mode 100644
index 00000000000..d7150d0f49c
--- /dev/null
+++ b/arch/mips/alchemy/devboards/pb1550/platform.c
@@ -0,0 +1,69 @@
+/*
+ * Pb1550 board platform device registration
+ *
+ * Copyright (C) 2009 Manuel Lauss
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include <linux/init.h>
+
+#include <asm/mach-au1x00/au1000.h>
+#include <asm/mach-pb1x00/pb1550.h>
+#include <asm/mach-db1x00/bcsr.h>
+
+#include "../platform.h"
+
+static int __init pb1550_dev_init(void)
+{
+        int swapped;
+
+        /* Pb1550, like all others, also has statuschange irqs; however they're
+        * wired up on one of the Au1550's shared GPIO201_205 line, which also
+        * services the PCMCIA card interrupts.  So we ignore statuschange and
+        * use the GPIO201_205 exclusively for card interrupts, since a) pcmcia
+        * drivers are used to shared irqs and b) statuschange isn't really use-
+        * ful anyway.
+        */
+        db1x_register_pcmcia_socket(PCMCIA_ATTR_PHYS_ADDR,
+                                    PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
+                                    PCMCIA_MEM_PHYS_ADDR,
+                                    PCMCIA_MEM_PHYS_ADDR  + 0x000400000 - 1,
+                                    PCMCIA_IO_PHYS_ADDR,
+                                    PCMCIA_IO_PHYS_ADDR   + 0x000010000 - 1,
+                                    AU1550_GPIO201_205_INT,
+                                    AU1550_GPIO0_INT,
+                                    0,
+                                    0,
+                                    0);
+
+        db1x_register_pcmcia_socket(PCMCIA_ATTR_PHYS_ADDR + 0x008000000,
+                                    PCMCIA_ATTR_PHYS_ADDR + 0x008400000 - 1,
+                                    PCMCIA_MEM_PHYS_ADDR  + 0x008000000,
+                                    PCMCIA_MEM_PHYS_ADDR  + 0x008400000 - 1,
+                                    PCMCIA_IO_PHYS_ADDR   + 0x008000000,
+                                    PCMCIA_IO_PHYS_ADDR   + 0x008010000 - 1,
+                                    AU1550_GPIO201_205_INT,
+                                    AU1550_GPIO1_INT,
+                                    0,
+                                    0,
+                                    1);
+
+        swapped = bcsr_read(BCSR_STATUS) & BCSR_STATUS_PB1550_SWAPBOOT;
+        db1x_register_norflash(128 * 1024 * 1024, 4, swapped);
+
+        return 0;
+}
+device_initcall(pb1550_dev_init);