diff options
Diffstat (limited to 'target/linux/ifxmips')
4 files changed, 42 insertions, 26 deletions
diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/board.c b/target/linux/ifxmips/files/arch/mips/ifxmips/board.c index 28f2e263c1..8d12ebdaf1 100644 --- a/target/linux/ifxmips/files/arch/mips/ifxmips/board.c +++ b/target/linux/ifxmips/files/arch/mips/ifxmips/board.c @@ -43,6 +43,9 @@ static unsigned int chiprev; static struct platform_device *ifxmips_devs[MAX_IFXMIPS_DEVS]; +spinlock_t ebu_lock = SPIN_LOCK_UNLOCKED; +EXPORT_SYMBOL_GPL(ebu_lock); + static struct platform_device ifxmips_led[] = { @@ -79,24 +82,6 @@ ifxmips_wdt[] = }, }; -static struct platform_device -ifxmips_asc0[] = -{ - { - .id = 0, - .name = "ifxmips_asc", - }, -}; - -static struct platform_device -ifxmips_asc1[] = -{ - { - .id = 1, - .name = "ifxmips_asc", - }, -}; - static struct physmap_flash_data ifxmips_mtd_data = { .width = 2, @@ -173,8 +158,6 @@ ifxmips_init_devices(void) ifxmips_devs[dev++] = ifxmips_mii; ifxmips_devs[dev++] = ifxmips_mtd; ifxmips_devs[dev++] = ifxmips_wdt; - //ifxmips_devs[dev++] = ifxmips_asc0; - ifxmips_devs[dev++] = ifxmips_asc1; #ifdef CONFIG_GPIO_DEVICE ifxmips_devs[dev++] = ifxmips_gpio_dev; #endif diff --git a/target/linux/ifxmips/files/arch/mips/pci/ops-ifxmips.c b/target/linux/ifxmips/files/arch/mips/pci/ops-ifxmips.c index 3eb25821dd..e04c246eae 100644 --- a/target/linux/ifxmips/files/arch/mips/pci/ops-ifxmips.c +++ b/target/linux/ifxmips/files/arch/mips/pci/ops-ifxmips.c @@ -8,6 +8,7 @@ #include <asm/ifxmips/ifxmips_irq.h> #include <asm/addrspace.h> #include <linux/vmalloc.h> +#include <asm/ifxmips/ifxmips_ebu.h> #define IFXMIPS_PCI_CFG_BUSNUM_SHF 16 #define IFXMIPS_PCI_CFG_DEVNUM_SHF 11 @@ -33,7 +34,7 @@ ifxmips_pci_config_access(unsigned char access_type, || ((devfn & 0xf8) == 0) || ((devfn & 0xf8) == 0x68)) return 1; - local_irq_save(flags); + spin_lock_irqsave(&ebu_lock, flags); cfg_base = ifxmips_pci_mapped_cfg; cfg_base |= (bus->number << IFXMIPS_PCI_CFG_BUSNUM_SHF) | (devfn << @@ -64,7 +65,7 @@ ifxmips_pci_config_access(unsigned char access_type, cfg_base = (ifxmips_pci_mapped_cfg | (0x68 << IFXMIPS_PCI_CFG_FUNNUM_SHF)) + 4; ifxmips_w32(temp, ((u32*)cfg_base)); - local_irq_restore(flags); + spin_unlock_irqrestore(&ebu_lock, flags); if (((*data) == 0xffffffff) && (access_type == PCI_ACCESS_READ)) return 1; diff --git a/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c b/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c index b38c6269bd..808904a561 100644 --- a/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c +++ b/target/linux/ifxmips/files/drivers/mtd/maps/ifxmips.c @@ -27,6 +27,7 @@ #include <linux/mtd/partitions.h> #include <linux/mtd/cfi.h> #include <asm/ifxmips/ifxmips.h> +#include <asm/ifxmips/ifxmips_ebu.h> #include <linux/magic.h> #include <linux/platform_device.h> @@ -41,19 +42,23 @@ ifxmips_map = { static map_word ifxmips_read16(struct map_info * map, unsigned long adr) { + unsigned long flags; map_word temp; - + spin_lock_irqsave(&ebu_lock, flags); adr ^= 2; temp.x[0] = *((__u16 *) (map->virt + adr)); - + spin_unlock_irqrestore(&ebu_lock, flags); return temp; } static void ifxmips_write16(struct map_info *map, map_word d, unsigned long adr) { + unsigned long flags; + spin_lock_irqsave(&ebu_lock, flags); adr ^= 2; *((__u16 *) (map->virt + adr)) = d.x[0]; + spin_unlock_irqrestore(&ebu_lock, flags); } void @@ -61,12 +66,14 @@ ifxmips_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t le { unsigned char *p; unsigned char *to_8; - + unsigned long flags; + spin_lock_irqsave(&ebu_lock, flags); from = (unsigned long)(from + map->virt); p = (unsigned char*) from; to_8 = (unsigned char*) to; while(len--) *to_8++ = *p++; + spin_unlock_irqrestore(&ebu_lock, flags); } void @@ -74,12 +81,14 @@ ifxmips_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_ { unsigned char *p = (unsigned char*)from; unsigned char *to_8; - + unsigned long flags; + spin_lock_irqsave(&ebu_lock, flags); to += (unsigned long) map->virt; to_8 = (unsigned char*)to; while(len--){ *p++ = *to_8++; } + spin_unlock_irqrestore(&ebu_lock, flags); } static struct mtd_partition diff --git a/target/linux/ifxmips/files/include/asm-mips/ifxmips/ifxmips_ebu.h b/target/linux/ifxmips/files/include/asm-mips/ifxmips/ifxmips_ebu.h new file mode 100644 index 0000000000..f9278ed15f --- /dev/null +++ b/target/linux/ifxmips/files/include/asm-mips/ifxmips/ifxmips_ebu.h @@ -0,0 +1,23 @@ +/* + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2007 John Crispin <blogic@openwrt.org> + */ +#ifndef _IFXMIPS_EBU_H__ +#define _IFXMIPS_EBU_H__ + +extern spinlock_t ebu_lock; + +#endif |