1 files changed, 154 insertions, 0 deletions

diff --git a/arch/mips/alchemy/board-xxs1500.c b/arch/mips/alchemy/board-xxs1500.c
new file mode 100644
index 000000000000..bd5513650293
--- /dev/null
+++ b/arch/mips/alchemy/board-xxs1500.c
@@ -0,0 +1,154 @@
+/*
+ * BRIEF MODULE DESCRIPTION
+ *      MyCable XXS1500 board support
+ *
+ * Copyright 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 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/kernel.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
+#include <asm/bootinfo.h>
+#include <asm/reboot.h>
+#include <asm/mach-au1x00/au1000.h>
+#include <prom.h>
+
+const char *get_system_type(void)
+{
+        return "XXS1500";
+}
+
+void __init prom_init(void)
+{
+        unsigned char *memsize_str;
+        unsigned long memsize;
+
+        prom_argc = fw_arg0;
+        prom_argv = (char **)fw_arg1;
+        prom_envp = (char **)fw_arg2;
+
+        prom_init_cmdline();
+
+        memsize_str = prom_getenv("memsize");
+        if (!memsize_str || strict_strtoul(memsize_str, 0, &memsize))
+                memsize = 0x04000000;
+
+        add_memory_region(0, memsize, BOOT_MEM_RAM);
+}
+
+void prom_putchar(unsigned char c)
+{
+        alchemy_uart_putchar(AU1000_UART0_PHYS_ADDR, c);
+}
+
+static void xxs1500_reset(char *c)
+{
+        /* Jump to the reset vector */
+        __asm__ __volatile__("jr\t%0" : : "r"(0xbfc00000));
+}
+
+static void xxs1500_power_off(void)
+{
+        while (1)
+                asm volatile (
+                "       .set    mips32                                  \n"
+                "       wait                                            \n"
+                "       .set    mips0                                   \n");
+}
+
+void __init board_setup(void)
+{
+        u32 pin_func;
+
+        pm_power_off = xxs1500_power_off;
+        _machine_halt = xxs1500_power_off;
+        _machine_restart = xxs1500_reset;
+
+        alchemy_gpio1_input_enable();
+        alchemy_gpio2_enable();
+
+        /* 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 */
+        alchemy_uart_enable(AU1000_UART3_PHYS_ADDR);
+        /* Enable DTR (MCR bit 0) = USB power up */
+        __raw_writel(1, (void __iomem *)KSEG1ADDR(AU1000_UART3_PHYS_ADDR + 0x18));
+        wmb();
+}
+
+/******************************************************************************/
+
+static struct resource xxs1500_pcmcia_res[] = {
+        {
+                .name   = "pcmcia-io",
+                .flags  = IORESOURCE_MEM,
+                .start  = AU1000_PCMCIA_IO_PHYS_ADDR,
+                .end    = AU1000_PCMCIA_IO_PHYS_ADDR + 0x000400000 - 1,
+        },
+        {
+                .name   = "pcmcia-attr",
+                .flags  = IORESOURCE_MEM,
+                .start  = AU1000_PCMCIA_ATTR_PHYS_ADDR,
+                .end    = AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
+        },
+        {
+                .name   = "pcmcia-mem",
+                .flags  = IORESOURCE_MEM,
+                .start  = AU1000_PCMCIA_MEM_PHYS_ADDR,
+                .end    = AU1000_PCMCIA_MEM_PHYS_ADDR + 0x000400000 - 1,
+        },
+};
+
+static struct platform_device xxs1500_pcmcia_dev = {
+        .name           = "xxs1500_pcmcia",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(xxs1500_pcmcia_res),
+        .resource       = xxs1500_pcmcia_res,
+};
+
+static struct platform_device *xxs1500_devs[] __initdata = {
+        &xxs1500_pcmcia_dev,
+};
+
+static int __init xxs1500_dev_init(void)
+{
+        irq_set_irq_type(AU1500_GPIO204_INT, IRQ_TYPE_LEVEL_HIGH);
+        irq_set_irq_type(AU1500_GPIO201_INT, IRQ_TYPE_LEVEL_LOW);
+        irq_set_irq_type(AU1500_GPIO202_INT, IRQ_TYPE_LEVEL_LOW);
+        irq_set_irq_type(AU1500_GPIO203_INT, IRQ_TYPE_LEVEL_LOW);
+        irq_set_irq_type(AU1500_GPIO205_INT, IRQ_TYPE_LEVEL_LOW);
+        irq_set_irq_type(AU1500_GPIO207_INT, IRQ_TYPE_LEVEL_LOW);
+
+        irq_set_irq_type(AU1500_GPIO0_INT, IRQ_TYPE_LEVEL_LOW);
+        irq_set_irq_type(AU1500_GPIO1_INT, IRQ_TYPE_LEVEL_LOW);
+        irq_set_irq_type(AU1500_GPIO2_INT, IRQ_TYPE_LEVEL_LOW);
+        irq_set_irq_type(AU1500_GPIO3_INT, IRQ_TYPE_LEVEL_LOW);
+        irq_set_irq_type(AU1500_GPIO4_INT, IRQ_TYPE_LEVEL_LOW); /* CF irq */
+        irq_set_irq_type(AU1500_GPIO5_INT, IRQ_TYPE_LEVEL_LOW);
+
+        return platform_add_devices(xxs1500_devs,
+                                    ARRAY_SIZE(xxs1500_devs));
+}
+device_initcall(xxs1500_dev_init);