diff options
Diffstat (limited to 'arch/mips/alchemy/devboards/pb1550/platform.c')
-rw-r--r-- | arch/mips/alchemy/devboards/pb1550/platform.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/arch/mips/alchemy/devboards/pb1550/platform.c b/arch/mips/alchemy/devboards/pb1550/platform.c new file mode 100644 index 000000000000..d7150d0f49c0 --- /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); |