1 files changed, 313 insertions, 0 deletions

diff --git a/arch/mips/alchemy/board-mtx1.c b/arch/mips/alchemy/board-mtx1.c
new file mode 100644
index 000000000000..295f1a95f745
--- /dev/null
+++ b/arch/mips/alchemy/board-mtx1.c
@@ -0,0 +1,313 @@
+/*
+ * MTX-1 platform devices registration (Au1500)
+ *
+ * Copyright (C) 2007-2009, Florian Fainelli <florian@openwrt.org>
+ *
+ * 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 <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+#include <linux/gpio.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <mtd/mtd-abi.h>
+#include <asm/bootinfo.h>
+#include <asm/reboot.h>
+#include <asm/mach-au1x00/au1000.h>
+#include <asm/mach-au1x00/au1xxx_eth.h>
+#include <prom.h>
+
+const char *get_system_type(void)
+{
+        return "MTX-1";
+}
+
+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)
+                memsize = 0x04000000;
+        else
+                strict_strtoul(memsize_str, 0, &memsize);
+        add_memory_region(0, memsize, BOOT_MEM_RAM);
+}
+
+void prom_putchar(unsigned char c)
+{
+        alchemy_uart_putchar(AU1000_UART0_PHYS_ADDR, c);
+}
+
+static void mtx1_reset(char *c)
+{
+        /* Jump to the reset vector */
+        __asm__ __volatile__("jr\t%0" : : "r"(0xbfc00000));
+}
+
+static void mtx1_power_off(void)
+{
+        while (1)
+                asm volatile (
+                "       .set    mips32                                  \n"
+                "       wait                                            \n"
+                "       .set    mips0                                   \n");
+}
+
+void __init board_setup(void)
+{
+#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
+        /* Enable USB power switch */
+        alchemy_gpio_direction_output(204, 0);
+#endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */
+
+        /* Initialize sys_pinfunc */
+        au_writel(SYS_PF_NI2, SYS_PINFUNC);
+
+        /* Initialize GPIO */
+        au_writel(~0, KSEG1ADDR(AU1000_SYS_PHYS_ADDR) + SYS_TRIOUTCLR);
+        alchemy_gpio_direction_output(0, 0);    /* Disable M66EN (PCI 66MHz) */
+        alchemy_gpio_direction_output(3, 1);    /* Disable PCI CLKRUN# */
+        alchemy_gpio_direction_output(1, 1);    /* Enable EXT_IO3 */
+        alchemy_gpio_direction_output(5, 0);    /* Disable eth PHY TX_ER */
+
+        /* Enable LED and set it to green */
+        alchemy_gpio_direction_output(211, 1);  /* green on */
+        alchemy_gpio_direction_output(212, 0);  /* red off */
+
+        pm_power_off = mtx1_power_off;
+        _machine_halt = mtx1_power_off;
+        _machine_restart = mtx1_reset;
+
+        printk(KERN_INFO "4G Systems MTX-1 Board\n");
+}
+
+/******************************************************************************/
+
+static struct gpio_keys_button mtx1_gpio_button[] = {
+        {
+                .gpio = 207,
+                .code = BTN_0,
+                .desc = "System button",
+        }
+};
+
+static struct gpio_keys_platform_data mtx1_buttons_data = {
+        .buttons = mtx1_gpio_button,
+        .nbuttons = ARRAY_SIZE(mtx1_gpio_button),
+};
+
+static struct platform_device mtx1_button = {
+        .name = "gpio-keys",
+        .id = -1,
+        .dev = {
+                .platform_data = &mtx1_buttons_data,
+        }
+};
+
+static struct resource mtx1_wdt_res[] = {
+        [0] = {
+                .start  = 215,
+                .end    = 215,
+                .name   = "mtx1-wdt-gpio",
+                .flags  = IORESOURCE_IRQ,
+        }
+};
+
+static struct platform_device mtx1_wdt = {
+        .name = "mtx1-wdt",
+        .id = 0,
+        .num_resources = ARRAY_SIZE(mtx1_wdt_res),
+        .resource = mtx1_wdt_res,
+};
+
+static struct gpio_led default_leds[] = {
+        {
+                .name   = "mtx1:green",
+                .gpio = 211,
+        }, {
+                .name = "mtx1:red",
+                .gpio = 212,
+        },
+};
+
+static struct gpio_led_platform_data mtx1_led_data = {
+        .num_leds = ARRAY_SIZE(default_leds),
+        .leds = default_leds,
+};
+
+static struct platform_device mtx1_gpio_leds = {
+        .name = "leds-gpio",
+        .id = -1,
+        .dev = {
+                .platform_data = &mtx1_led_data,
+        }
+};
+
+static struct mtd_partition mtx1_mtd_partitions[] = {
+        {
+                .name   = "filesystem",
+                .size   = 0x01C00000,
+                .offset = 0,
+        },
+        {
+                .name   = "yamon",
+                .size   = 0x00100000,
+                .offset = MTDPART_OFS_APPEND,
+                .mask_flags = MTD_WRITEABLE,
+        },
+        {
+                .name   = "kernel",
+                .size   = 0x002c0000,
+                .offset = MTDPART_OFS_APPEND,
+        },
+        {
+                .name   = "yamon env",
+                .size   = 0x00040000,
+                .offset = MTDPART_OFS_APPEND,
+        },
+};
+
+static struct physmap_flash_data mtx1_flash_data = {
+        .width          = 4,
+        .nr_parts       = 4,
+        .parts          = mtx1_mtd_partitions,
+};
+
+static struct resource mtx1_mtd_resource = {
+        .start  = 0x1e000000,
+        .end    = 0x1fffffff,
+        .flags  = IORESOURCE_MEM,
+};
+
+static struct platform_device mtx1_mtd = {
+        .name           = "physmap-flash",
+        .dev            = {
+                .platform_data  = &mtx1_flash_data,
+        },
+        .num_resources  = 1,
+        .resource       = &mtx1_mtd_resource,
+};
+
+static struct resource alchemy_pci_host_res[] = {
+        [0] = {
+                .start  = AU1500_PCI_PHYS_ADDR,
+                .end    = AU1500_PCI_PHYS_ADDR + 0xfff,
+                .flags  = IORESOURCE_MEM,
+        },
+};
+
+static int mtx1_pci_idsel(unsigned int devsel, int assert)
+{
+        /* This function is only necessary to support a proprietary Cardbus
+         * adapter on the mtx-1 "singleboard" variant. It triggers a custom
+         * logic chip connected to EXT_IO3 (GPIO1) to suppress IDSEL signals.
+         */
+        if (assert && devsel != 0)
+                /* Suppress signal to Cardbus */
+                alchemy_gpio_set_value(1, 0);   /* set EXT_IO3 OFF */
+        else
+                alchemy_gpio_set_value(1, 1);   /* set EXT_IO3 ON */
+
+        udelay(1);
+        return 1;
+}
+
+static const char mtx1_irqtab[][5] = {
+        [0] = { -1, AU1500_PCI_INTA, AU1500_PCI_INTA, 0xff, 0xff }, /* IDSEL 00 - AdapterA-Slot0 (top) */
+        [1] = { -1, AU1500_PCI_INTB, AU1500_PCI_INTA, 0xff, 0xff }, /* IDSEL 01 - AdapterA-Slot1 (bottom) */
+        [2] = { -1, AU1500_PCI_INTC, AU1500_PCI_INTD, 0xff, 0xff }, /* IDSEL 02 - AdapterB-Slot0 (top) */
+        [3] = { -1, AU1500_PCI_INTD, AU1500_PCI_INTC, 0xff, 0xff }, /* IDSEL 03 - AdapterB-Slot1 (bottom) */
+        [4] = { -1, AU1500_PCI_INTA, AU1500_PCI_INTB, 0xff, 0xff }, /* IDSEL 04 - AdapterC-Slot0 (top) */
+        [5] = { -1, AU1500_PCI_INTB, AU1500_PCI_INTA, 0xff, 0xff }, /* IDSEL 05 - AdapterC-Slot1 (bottom) */
+        [6] = { -1, AU1500_PCI_INTC, AU1500_PCI_INTD, 0xff, 0xff }, /* IDSEL 06 - AdapterD-Slot0 (top) */
+        [7] = { -1, AU1500_PCI_INTD, AU1500_PCI_INTC, 0xff, 0xff }, /* IDSEL 07 - AdapterD-Slot1 (bottom) */
+};
+
+static int mtx1_map_pci_irq(const struct pci_dev *d, u8 slot, u8 pin)
+{
+        return mtx1_irqtab[slot][pin];
+}
+
+static struct alchemy_pci_platdata mtx1_pci_pd = {
+        .board_map_irq   = mtx1_map_pci_irq,
+        .board_pci_idsel = mtx1_pci_idsel,
+        .pci_cfg_set     = PCI_CONFIG_AEN | PCI_CONFIG_R2H | PCI_CONFIG_R1H |
+                           PCI_CONFIG_CH |
+#if defined(__MIPSEB__)
+                           PCI_CONFIG_SIC_HWA_DAT | PCI_CONFIG_SM,
+#else
+                           0,
+#endif
+};
+
+static struct platform_device mtx1_pci_host = {
+        .dev.platform_data = &mtx1_pci_pd,
+        .name           = "alchemy-pci",
+        .id             = 0,
+        .num_resources  = ARRAY_SIZE(alchemy_pci_host_res),
+        .resource       = alchemy_pci_host_res,
+};
+
+static struct __initdata platform_device * mtx1_devs[] = {
+        &mtx1_pci_host,
+        &mtx1_gpio_leds,
+        &mtx1_wdt,
+        &mtx1_button,
+        &mtx1_mtd,
+};
+
+static struct au1000_eth_platform_data mtx1_au1000_eth0_pdata = {
+        .phy_search_highest_addr        = 1,
+        .phy1_search_mac0               = 1,
+};
+
+static int __init mtx1_register_devices(void)
+{
+        int rc;
+
+        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);
+
+        au1xxx_override_eth_cfg(0, &mtx1_au1000_eth0_pdata);
+
+        rc = gpio_request(mtx1_gpio_button[0].gpio,
+                                        mtx1_gpio_button[0].desc);
+        if (rc < 0) {
+                printk(KERN_INFO "mtx1: failed to request %d\n",
+                                        mtx1_gpio_button[0].gpio);
+                goto out;
+        }
+        gpio_direction_input(mtx1_gpio_button[0].gpio);
+out:
+        return platform_add_devices(mtx1_devs, ARRAY_SIZE(mtx1_devs));
+}
+arch_initcall(mtx1_register_devices);