diff options
Diffstat (limited to 'arch/mips/alchemy/mtx-1')
| -rw-r--r-- | arch/mips/alchemy/mtx-1/Makefile | 12 | ||||
| -rw-r--r-- | arch/mips/alchemy/mtx-1/board_setup.c | 98 | ||||
| -rw-r--r-- | arch/mips/alchemy/mtx-1/init.c | 60 | ||||
| -rw-r--r-- | arch/mips/alchemy/mtx-1/irqmap.c | 52 | ||||
| -rw-r--r-- | arch/mips/alchemy/mtx-1/platform.c | 149 |
5 files changed, 371 insertions, 0 deletions
diff --git a/arch/mips/alchemy/mtx-1/Makefile b/arch/mips/alchemy/mtx-1/Makefile new file mode 100644 index 000000000000..7c67b3d33bec --- /dev/null +++ b/arch/mips/alchemy/mtx-1/Makefile @@ -0,0 +1,12 @@ +# +# Copyright 2003 MontaVista Software Inc. +# Author: MontaVista Software, Inc. <source@mvista.com> +# Bruno Randolf <bruno.randolf@4g-systems.biz> +# +# Makefile for 4G Systems MTX-1 board. +# + +lib-y := init.o board_setup.o irqmap.o +obj-y := platform.o + +EXTRA_CFLAGS += -Werror 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 000000000000..3f8079186cf2 --- /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; +} + diff --git a/arch/mips/alchemy/mtx-1/init.c b/arch/mips/alchemy/mtx-1/init.c new file mode 100644 index 000000000000..3bae13c28954 --- /dev/null +++ b/arch/mips/alchemy/mtx-1/init.c @@ -0,0 +1,60 @@ +/* + * + * 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/kernel.h> +#include <linux/init.h> + +#include <asm/bootinfo.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_strtol(memsize_str, 0, &memsize); + add_memory_region(0, memsize, BOOT_MEM_RAM); +} diff --git a/arch/mips/alchemy/mtx-1/irqmap.c b/arch/mips/alchemy/mtx-1/irqmap.c new file mode 100644 index 000000000000..f2bf02951e9c --- /dev/null +++ b/arch/mips/alchemy/mtx-1/irqmap.c @@ -0,0 +1,52 @@ +/* + * BRIEF MODULE DESCRIPTION + * Au1xxx irq map table + * + * Copyright 2003 Embedded Edge, LLC + * dan@embeddededge.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 <asm/mach-au1x00/au1000.h> + +char irq_tab_alchemy[][5] __initdata = { + [0] = { -1, INTA, INTA, INTX, INTX }, /* IDSEL 00 - AdapterA-Slot0 (top) */ + [1] = { -1, INTB, INTA, INTX, INTX }, /* IDSEL 01 - AdapterA-Slot1 (bottom) */ + [2] = { -1, INTC, INTD, INTX, INTX }, /* IDSEL 02 - AdapterB-Slot0 (top) */ + [3] = { -1, INTD, INTC, INTX, INTX }, /* IDSEL 03 - AdapterB-Slot1 (bottom) */ + [4] = { -1, INTA, INTB, INTX, INTX }, /* IDSEL 04 - AdapterC-Slot0 (top) */ + [5] = { -1, INTB, INTA, INTX, INTX }, /* IDSEL 05 - AdapterC-Slot1 (bottom) */ + [6] = { -1, INTC, INTD, INTX, INTX }, /* IDSEL 06 - AdapterD-Slot0 (top) */ + [7] = { -1, INTD, INTC, INTX, INTX }, /* IDSEL 07 - AdapterD-Slot1 (bottom) */ +}; + +struct au1xxx_irqmap __initdata au1xxx_irq_map[] = { + { AU1500_GPIO_204, INTC_INT_HIGH_LEVEL, 0 }, + { AU1500_GPIO_201, INTC_INT_LOW_LEVEL, 0 }, + { AU1500_GPIO_202, INTC_INT_LOW_LEVEL, 0 }, + { AU1500_GPIO_203, INTC_INT_LOW_LEVEL, 0 }, + { AU1500_GPIO_205, INTC_INT_LOW_LEVEL, 0 }, +}; + +int __initdata au1xxx_nr_irqs = ARRAY_SIZE(au1xxx_irq_map); diff --git a/arch/mips/alchemy/mtx-1/platform.c b/arch/mips/alchemy/mtx-1/platform.c new file mode 100644 index 000000000000..8b5914d1241f --- /dev/null +++ b/arch/mips/alchemy/mtx-1/platform.c @@ -0,0 +1,149 @@ +/* + * MTX-1 platform devices registration + * + * Copyright (C) 2007, 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/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> + +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 = 15, + .end = 15, + .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 __initdata platform_device * mtx1_devs[] = { + &mtx1_gpio_leds, + &mtx1_wdt, + &mtx1_button, + &mtx1_mtd, +}; + +static int __init mtx1_register_devices(void) +{ + gpio_direction_input(207); + return platform_add_devices(mtx1_devs, ARRAY_SIZE(mtx1_devs)); +} + +arch_initcall(mtx1_register_devices); |