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+/*
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+ * BRIEF MODULE DESCRIPTION
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+ * MyCable XXS1500 board support
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+ *
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+ * Copyright 2003, 2008 MontaVista Software Inc.
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+ * Author: MontaVista Software, Inc. <source@mvista.com>
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License as published by
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+ * the Free Software Foundation; either version 2 of the License, or
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+ * (at your option) any later version.
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+ *
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+ * This program is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * GNU General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with this program; if not, write to the Free Software
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+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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+ */
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+
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+#include <linux/kernel.h>
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+#include <linux/init.h>
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+#include <linux/interrupt.h>
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+#include <linux/platform_device.h>
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+#include <linux/gpio.h>
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+#include <linux/delay.h>
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+#include <linux/pm.h>
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+#include <asm/bootinfo.h>
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+#include <asm/reboot.h>
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+#include <asm/mach-au1x00/au1000.h>
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+#include <prom.h>
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+
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+const char *get_system_type(void)
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+{
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+ return "XXS1500";
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+}
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+
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+void __init prom_init(void)
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+{
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+ unsigned char *memsize_str;
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+ unsigned long memsize;
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+
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+ prom_argc = fw_arg0;
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+ prom_argv = (char **)fw_arg1;
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+ prom_envp = (char **)fw_arg2;
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+
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+ prom_init_cmdline();
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+
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+ memsize_str = prom_getenv("memsize");
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+ if (!memsize_str || strict_strtoul(memsize_str, 0, &memsize))
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+ memsize = 0x04000000;
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+
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+ add_memory_region(0, memsize, BOOT_MEM_RAM);
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+}
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+
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+void prom_putchar(unsigned char c)
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+{
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+ alchemy_uart_putchar(AU1000_UART0_PHYS_ADDR, c);
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+}
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+
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+static void xxs1500_reset(char *c)
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+{
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+ /* Jump to the reset vector */
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+ __asm__ __volatile__("jr\t%0" : : "r"(0xbfc00000));
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+}
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+
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+static void xxs1500_power_off(void)
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+{
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+ while (1)
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+ asm volatile (
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+ " .set mips32 \n"
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+ " wait \n"
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+ " .set mips0 \n");
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+}
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+
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+void __init board_setup(void)
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+{
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+ u32 pin_func;
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+
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+ pm_power_off = xxs1500_power_off;
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+ _machine_halt = xxs1500_power_off;
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+ _machine_restart = xxs1500_reset;
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+
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+ alchemy_gpio1_input_enable();
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+ alchemy_gpio2_enable();
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+
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+ /* Set multiple use pins (UART3/GPIO) to UART (it's used as UART too) */
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+ pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_UR3;
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+ pin_func |= SYS_PF_UR3;
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+ au_writel(pin_func, SYS_PINFUNC);
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+
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+ /* Enable UART */
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+ alchemy_uart_enable(AU1000_UART3_PHYS_ADDR);
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+ /* Enable DTR (MCR bit 0) = USB power up */
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+ __raw_writel(1, (void __iomem *)KSEG1ADDR(AU1000_UART3_PHYS_ADDR + 0x18));
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+ wmb();
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+}
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+
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+/******************************************************************************/
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+
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+static struct resource xxs1500_pcmcia_res[] = {
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+ {
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+ .name = "pcmcia-io",
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+ .flags = IORESOURCE_MEM,
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+ .start = AU1000_PCMCIA_IO_PHYS_ADDR,
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+ .end = AU1000_PCMCIA_IO_PHYS_ADDR + 0x000400000 - 1,
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+ },
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+ {
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+ .name = "pcmcia-attr",
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+ .flags = IORESOURCE_MEM,
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+ .start = AU1000_PCMCIA_ATTR_PHYS_ADDR,
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+ .end = AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
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+ },
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+ {
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+ .name = "pcmcia-mem",
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+ .flags = IORESOURCE_MEM,
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+ .start = AU1000_PCMCIA_MEM_PHYS_ADDR,
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+ .end = AU1000_PCMCIA_MEM_PHYS_ADDR + 0x000400000 - 1,
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+ },
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+};
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+
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+static struct platform_device xxs1500_pcmcia_dev = {
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+ .name = "xxs1500_pcmcia",
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+ .id = -1,
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+ .num_resources = ARRAY_SIZE(xxs1500_pcmcia_res),
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+ .resource = xxs1500_pcmcia_res,
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+};
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+
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+static struct platform_device *xxs1500_devs[] __initdata = {
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+ &xxs1500_pcmcia_dev,
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+};
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+
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+static int __init xxs1500_dev_init(void)
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+{
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+ irq_set_irq_type(AU1500_GPIO204_INT, IRQ_TYPE_LEVEL_HIGH);
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+ irq_set_irq_type(AU1500_GPIO201_INT, IRQ_TYPE_LEVEL_LOW);
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+ irq_set_irq_type(AU1500_GPIO202_INT, IRQ_TYPE_LEVEL_LOW);
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+ irq_set_irq_type(AU1500_GPIO203_INT, IRQ_TYPE_LEVEL_LOW);
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+ irq_set_irq_type(AU1500_GPIO205_INT, IRQ_TYPE_LEVEL_LOW);
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+ irq_set_irq_type(AU1500_GPIO207_INT, IRQ_TYPE_LEVEL_LOW);
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+
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+ irq_set_irq_type(AU1500_GPIO0_INT, IRQ_TYPE_LEVEL_LOW);
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+ irq_set_irq_type(AU1500_GPIO1_INT, IRQ_TYPE_LEVEL_LOW);
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+ irq_set_irq_type(AU1500_GPIO2_INT, IRQ_TYPE_LEVEL_LOW);
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+ irq_set_irq_type(AU1500_GPIO3_INT, IRQ_TYPE_LEVEL_LOW);
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+ irq_set_irq_type(AU1500_GPIO4_INT, IRQ_TYPE_LEVEL_LOW); /* CF irq */
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+ irq_set_irq_type(AU1500_GPIO5_INT, IRQ_TYPE_LEVEL_LOW);
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+
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+ return platform_add_devices(xxs1500_devs,
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+ ARRAY_SIZE(xxs1500_devs));
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+}
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+device_initcall(xxs1500_dev_init);
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