diff options
Diffstat (limited to 'arch/mips/alchemy/devboards/db1x00/platform.c')
| -rw-r--r-- | arch/mips/alchemy/devboards/db1x00/platform.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/arch/mips/alchemy/devboards/db1x00/platform.c b/arch/mips/alchemy/devboards/db1x00/platform.c new file mode 100644 index 00000000000..978d5ab3d67 --- /dev/null +++ b/arch/mips/alchemy/devboards/db1x00/platform.c @@ -0,0 +1,118 @@ +/* + * DBAu1xxx 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 <linux/platform_device.h> + +#include <asm/mach-au1x00/au1xxx.h> +#include <asm/mach-db1x00/bcsr.h> +#include "../platform.h" + +/* DB1xxx PCMCIA interrupt sources: + * CD0/1 GPIO0/3 + * STSCHG0/1 GPIO1/4 + * CARD0/1 GPIO2/5 + * Db1550: 0/1, 21/22, 3/5 + */ + +#define DB1XXX_HAS_PCMCIA +#define F_SWAPPED (bcsr_read(BCSR_STATUS) & BCSR_STATUS_DB1000_SWAPBOOT) + +#if defined(CONFIG_MIPS_DB1000) +#define DB1XXX_PCMCIA_CD0 AU1000_GPIO0_INT +#define DB1XXX_PCMCIA_STSCHG0 AU1000_GPIO1_INT +#define DB1XXX_PCMCIA_CARD0 AU1000_GPIO2_INT +#define DB1XXX_PCMCIA_CD1 AU1000_GPIO3_INT +#define DB1XXX_PCMCIA_STSCHG1 AU1000_GPIO4_INT +#define DB1XXX_PCMCIA_CARD1 AU1000_GPIO5_INT +#define BOARD_FLASH_SIZE 0x02000000 /* 32MB */ +#define BOARD_FLASH_WIDTH 4 /* 32-bits */ +#elif defined(CONFIG_MIPS_DB1100) +#define DB1XXX_PCMCIA_CD0 AU1100_GPIO0_INT +#define DB1XXX_PCMCIA_STSCHG0 AU1100_GPIO1_INT +#define DB1XXX_PCMCIA_CARD0 AU1100_GPIO2_INT +#define DB1XXX_PCMCIA_CD1 AU1100_GPIO3_INT +#define DB1XXX_PCMCIA_STSCHG1 AU1100_GPIO4_INT +#define DB1XXX_PCMCIA_CARD1 AU1100_GPIO5_INT +#define BOARD_FLASH_SIZE 0x02000000 /* 32MB */ +#define BOARD_FLASH_WIDTH 4 /* 32-bits */ +#elif defined(CONFIG_MIPS_DB1500) +#define DB1XXX_PCMCIA_CD0 AU1500_GPIO0_INT +#define DB1XXX_PCMCIA_STSCHG0 AU1500_GPIO1_INT +#define DB1XXX_PCMCIA_CARD0 AU1500_GPIO2_INT +#define DB1XXX_PCMCIA_CD1 AU1500_GPIO3_INT +#define DB1XXX_PCMCIA_STSCHG1 AU1500_GPIO4_INT +#define DB1XXX_PCMCIA_CARD1 AU1500_GPIO5_INT +#define BOARD_FLASH_SIZE 0x02000000 /* 32MB */ +#define BOARD_FLASH_WIDTH 4 /* 32-bits */ +#elif defined(CONFIG_MIPS_DB1550) +#define DB1XXX_PCMCIA_CD0 AU1550_GPIO0_INT +#define DB1XXX_PCMCIA_STSCHG0 AU1550_GPIO21_INT +#define DB1XXX_PCMCIA_CARD0 AU1550_GPIO3_INT +#define DB1XXX_PCMCIA_CD1 AU1550_GPIO1_INT +#define DB1XXX_PCMCIA_STSCHG1 AU1550_GPIO22_INT +#define DB1XXX_PCMCIA_CARD1 AU1550_GPIO5_INT +#define BOARD_FLASH_SIZE 0x08000000 /* 128MB */ +#define BOARD_FLASH_WIDTH 4 /* 32-bits */ +#else +/* other board: no PCMCIA */ +#undef DB1XXX_HAS_PCMCIA +#undef F_SWAPPED +#define F_SWAPPED 0 +#if defined(CONFIG_MIPS_BOSPORUS) +#define BOARD_FLASH_SIZE 0x01000000 /* 16MB */ +#define BOARD_FLASH_WIDTH 2 /* 16-bits */ +#elif defined(CONFIG_MIPS_MIRAGE) +#define BOARD_FLASH_SIZE 0x04000000 /* 64MB */ +#define BOARD_FLASH_WIDTH 4 /* 32-bits */ +#endif +#endif + +static int __init db1xxx_dev_init(void) +{ +#ifdef DB1XXX_HAS_PCMCIA + 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, + DB1XXX_PCMCIA_CARD0, + DB1XXX_PCMCIA_CD0, + /*DB1XXX_PCMCIA_STSCHG0*/0, + 0, + 0); + + db1x_register_pcmcia_socket(PCMCIA_ATTR_PHYS_ADDR + 0x004000000, + PCMCIA_ATTR_PHYS_ADDR + 0x004400000 - 1, + PCMCIA_MEM_PHYS_ADDR + 0x004000000, + PCMCIA_MEM_PHYS_ADDR + 0x004400000 - 1, + PCMCIA_IO_PHYS_ADDR + 0x004000000, + PCMCIA_IO_PHYS_ADDR + 0x004010000 - 1, + DB1XXX_PCMCIA_CARD1, + DB1XXX_PCMCIA_CD1, + /*DB1XXX_PCMCIA_STSCHG1*/0, + 0, + 1); +#endif + db1x_register_norflash(BOARD_FLASH_SIZE, BOARD_FLASH_WIDTH, F_SWAPPED); + return 0; +} +device_initcall(db1xxx_dev_init); |