diff options
Diffstat (limited to 'arch/microblaze')
| -rw-r--r-- | arch/microblaze/Kconfig | 10 | ||||
| -rw-r--r-- | arch/microblaze/boot/dts/Makefile | 2 | ||||
| -rw-r--r-- | arch/microblaze/include/asm/pci.h | 2 | ||||
| -rw-r--r-- | arch/microblaze/include/asm/pgalloc.h | 12 | ||||
| -rw-r--r-- | arch/microblaze/include/asm/prom.h | 39 | ||||
| -rw-r--r-- | arch/microblaze/kernel/head.S | 2 | ||||
| -rw-r--r-- | arch/microblaze/kernel/hw_exception_handler.S | 4 | ||||
| -rw-r--r-- | arch/microblaze/kernel/prom.c | 32 | ||||
| -rw-r--r-- | arch/microblaze/kernel/setup.c | 3 | ||||
| -rw-r--r-- | arch/microblaze/kernel/sys_microblaze.c | 17 | ||||
| -rw-r--r-- | arch/microblaze/kernel/syscall_table.S | 2 | ||||
| -rw-r--r-- | arch/microblaze/kernel/timer.c | 3 | ||||
| -rw-r--r-- | arch/microblaze/mm/consistent.c | 7 | ||||
| -rw-r--r-- | arch/microblaze/pci/pci-common.c | 73 |
14 files changed, 41 insertions, 167 deletions
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig index b82f82b..e23cccd 100644 --- a/arch/microblaze/Kconfig +++ b/arch/microblaze/Kconfig @@ -1,5 +1,6 @@ config MICROBLAZE def_bool y + select ARCH_MIGHT_HAVE_PC_PARPORT select HAVE_MEMBLOCK select HAVE_MEMBLOCK_NODE_MAP select HAVE_FUNCTION_TRACER @@ -82,11 +83,6 @@ config MMU bool "MMU support" default n -config NO_MMU - bool - depends on !MMU - default y - comment "Boot options" config CMDLINE_BOOL @@ -250,10 +246,6 @@ config MICROBLAZE_64K_PAGES endchoice -config KERNEL_PAD - hex "Kernel PAD for unpacking" if ADVANCED_OPTIONS - default "0x80000" if MMU - endmenu source "mm/Kconfig" diff --git a/arch/microblaze/boot/dts/Makefile b/arch/microblaze/boot/dts/Makefile index c3b3a5d..c4982d1 100644 --- a/arch/microblaze/boot/dts/Makefile +++ b/arch/microblaze/boot/dts/Makefile @@ -1,6 +1,4 @@ # -# arch/microblaze/boot/Makefile -# obj-y += linked_dtb.o diff --git a/arch/microblaze/include/asm/pci.h b/arch/microblaze/include/asm/pci.h index d52abb6..935f9be 100644 --- a/arch/microblaze/include/asm/pci.h +++ b/arch/microblaze/include/asm/pci.h @@ -127,8 +127,6 @@ extern void of_scan_pci_bridge(struct device_node *node, extern void of_scan_bus(struct device_node *node, struct pci_bus *bus); extern void of_rescan_bus(struct device_node *node, struct pci_bus *bus); -extern int pci_read_irq_line(struct pci_dev *dev); - extern int pci_bus_find_capability(struct pci_bus *bus, unsigned int devfn, int cap); diff --git a/arch/microblaze/include/asm/pgalloc.h b/arch/microblaze/include/asm/pgalloc.h index ebd3579..7fdf7fa 100644 --- a/arch/microblaze/include/asm/pgalloc.h +++ b/arch/microblaze/include/asm/pgalloc.h @@ -122,8 +122,13 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm, #endif ptepage = alloc_pages(flags, 0); - if (ptepage) - clear_highpage(ptepage); + if (!ptepage) + return NULL; + clear_highpage(ptepage); + if (!pgtable_page_ctor(ptepage)) { + __free_page(ptepage); + return NULL; + } return ptepage; } @@ -158,8 +163,9 @@ extern inline void pte_free_slow(struct page *ptepage) __free_page(ptepage); } -extern inline void pte_free(struct mm_struct *mm, struct page *ptepage) +static inline void pte_free(struct mm_struct *mm, struct page *ptepage) { + pgtable_page_dtor(ptepage); __free_page(ptepage); } diff --git a/arch/microblaze/include/asm/prom.h b/arch/microblaze/include/asm/prom.h index 9977816..2f03ac8 100644 --- a/arch/microblaze/include/asm/prom.h +++ b/arch/microblaze/include/asm/prom.h @@ -11,19 +11,10 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ - -#include <linux/of.h> /* linux/of.h gets to determine #include ordering */ - #ifndef _ASM_MICROBLAZE_PROM_H #define _ASM_MICROBLAZE_PROM_H -#ifdef __KERNEL__ -#ifndef __ASSEMBLY__ - -#include <linux/types.h> -#include <asm/irq.h> -#include <linux/atomic.h> -#define HAVE_ARCH_DEVTREE_FIXUPS +#include <linux/of.h> /* Other Prototypes */ enum early_consoles { @@ -33,32 +24,4 @@ enum early_consoles { extern int of_early_console(void *version); -/* - * OF address retreival & translation - */ - -#ifdef CONFIG_PCI -extern unsigned long pci_address_to_pio(phys_addr_t address); -#define pci_address_to_pio pci_address_to_pio -#endif /* CONFIG_PCI */ - -/* Parse the ibm,dma-window property of an OF node into the busno, phys and - * size parameters. - */ -void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop, - unsigned long *busno, unsigned long *phys, unsigned long *size); - -extern void kdump_move_device_tree(void); - -#endif /* __ASSEMBLY__ */ -#endif /* __KERNEL__ */ - -/* These includes are put at the bottom because they may contain things - * that are overridden by this file. Ideally they shouldn't be included - * by this file, but there are a bunch of .c files that currently depend - * on it. Eventually they will be cleaned up. */ -#include <linux/of_fdt.h> -#include <linux/of_irq.h> -#include <linux/platform_device.h> - #endif /* _ASM_MICROBLAZE_PROM_H */ diff --git a/arch/microblaze/kernel/head.S b/arch/microblaze/kernel/head.S index fcc797f..817b7ee 100644 --- a/arch/microblaze/kernel/head.S +++ b/arch/microblaze/kernel/head.S @@ -176,7 +176,7 @@ _invalidate: /* start to do TLB calculation */ addik r12, r0, _end rsub r12, r3, r12 - addik r12, r12, CONFIG_KERNEL_PAD /* that's the pad */ + addik r12, r12, CONFIG_LOWMEM_SIZE >> PTE_SHIFT /* that's the pad */ or r9, r0, r0 /* TLB0 = 0 */ or r10, r0, r0 /* TLB1 = 0 */ diff --git a/arch/microblaze/kernel/hw_exception_handler.S b/arch/microblaze/kernel/hw_exception_handler.S index 61b3a1f..fc6b89f 100644 --- a/arch/microblaze/kernel/hw_exception_handler.S +++ b/arch/microblaze/kernel/hw_exception_handler.S @@ -193,8 +193,8 @@ * - W S REG EXC * * - * STACK FRAME STRUCTURE (for NO_MMU) - * --------------------------------- + * STACK FRAME STRUCTURE (for CONFIG_MMU=n) + * ---------------------------------------- * * +-------------+ + 0 * | MSR | diff --git a/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c index 0c4453f..abdfb10 100644 --- a/arch/microblaze/kernel/prom.c +++ b/arch/microblaze/kernel/prom.c @@ -30,6 +30,7 @@ #include <linux/debugfs.h> #include <linux/irq.h> #include <linux/memblock.h> +#include <linux/of_fdt.h> #include <asm/prom.h> #include <asm/page.h> @@ -41,11 +42,6 @@ #include <asm/sections.h> #include <asm/pci-bridge.h> -void __init early_init_dt_add_memory_arch(u64 base, u64 size) -{ - memblock_add(base, size); -} - #ifdef CONFIG_EARLY_PRINTK static char *stdout; @@ -106,21 +102,10 @@ void __init early_init_devtree(void *params) { pr_debug(" -> early_init_devtree(%p)\n", params); - /* Setup flat device-tree pointer */ - initial_boot_params = params; - - /* Retrieve various informations from the /chosen node of the - * device-tree, including the platform type, initrd location and - * size, TCE reserve, and more ... - */ - of_scan_flat_dt(early_init_dt_scan_chosen, cmd_line); - - /* Scan memory nodes and rebuild MEMBLOCKs */ - of_scan_flat_dt(early_init_dt_scan_root, NULL); - of_scan_flat_dt(early_init_dt_scan_memory, NULL); + early_init_dt_scan(params); + if (!strlen(boot_command_line)) + strlcpy(boot_command_line, cmd_line, COMMAND_LINE_SIZE); - /* Save command line for /proc/cmdline and then parse parameters */ - strlcpy(boot_command_line, cmd_line, COMMAND_LINE_SIZE); parse_early_param(); memblock_allow_resize(); @@ -130,15 +115,6 @@ void __init early_init_devtree(void *params) pr_debug(" <- early_init_devtree()\n"); } -#ifdef CONFIG_BLK_DEV_INITRD -void __init early_init_dt_setup_initrd_arch(u64 start, u64 end) -{ - initrd_start = (unsigned long)__va(start); - initrd_end = (unsigned long)__va(end); - initrd_below_start_ok = 1; -} -#endif - /******* * * New implementation of the OF "find" APIs, return a refcounted diff --git a/arch/microblaze/kernel/setup.c b/arch/microblaze/kernel/setup.c index 0775e03..8de8ebc 100644 --- a/arch/microblaze/kernel/setup.c +++ b/arch/microblaze/kernel/setup.c @@ -16,6 +16,7 @@ #include <linux/initrd.h> #include <linux/console.h> #include <linux/debugfs.h> +#include <linux/of_fdt.h> #include <asm/setup.h> #include <asm/sections.h> @@ -50,7 +51,7 @@ char cmd_line[COMMAND_LINE_SIZE] __attribute__ ((section(".data"))); void __init setup_arch(char **cmdline_p) { - *cmdline_p = cmd_line; + *cmdline_p = boot_command_line; console_verbose(); diff --git a/arch/microblaze/kernel/sys_microblaze.c b/arch/microblaze/kernel/sys_microblaze.c index f905b3a..f1e1f66 100644 --- a/arch/microblaze/kernel/sys_microblaze.c +++ b/arch/microblaze/kernel/sys_microblaze.c @@ -33,12 +33,23 @@ #include <linux/slab.h> #include <asm/syscalls.h> -asmlinkage long sys_mmap(unsigned long addr, unsigned long len, - unsigned long prot, unsigned long flags, - unsigned long fd, off_t pgoff) +SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len, + unsigned long, prot, unsigned long, flags, unsigned long, fd, + off_t, pgoff) { if (pgoff & ~PAGE_MASK) return -EINVAL; return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff >> PAGE_SHIFT); } + +SYSCALL_DEFINE6(mmap2, unsigned long, addr, unsigned long, len, + unsigned long, prot, unsigned long, flags, unsigned long, fd, + unsigned long, pgoff) +{ + if (pgoff & (~PAGE_MASK >> 12)) + return -EINVAL; + + return sys_mmap_pgoff(addr, len, prot, flags, fd, + pgoff >> (PAGE_SHIFT - 12)); +} diff --git a/arch/microblaze/kernel/syscall_table.S b/arch/microblaze/kernel/syscall_table.S index 4fca56c..b882ad5 100644 --- a/arch/microblaze/kernel/syscall_table.S +++ b/arch/microblaze/kernel/syscall_table.S @@ -192,7 +192,7 @@ ENTRY(sys_call_table) .long sys_ni_syscall /* reserved for streams2 */ .long sys_vfork /* 190 */ .long sys_getrlimit - .long sys_mmap_pgoff /* mmap2 */ + .long sys_mmap2 .long sys_truncate64 .long sys_ftruncate64 .long sys_stat64 /* 195 */ diff --git a/arch/microblaze/kernel/timer.c b/arch/microblaze/kernel/timer.c index e4b3f33..3e39b10 100644 --- a/arch/microblaze/kernel/timer.c +++ b/arch/microblaze/kernel/timer.c @@ -15,6 +15,7 @@ #include <linux/clk.h> #include <linux/clockchips.h> #include <linux/of_address.h> +#include <linux/of_irq.h> #include <asm/cpuinfo.h> #include <linux/cnt32_to_63.h> @@ -148,7 +149,7 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id) static struct irqaction timer_irqaction = { .handler = timer_interrupt, - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_TIMER, .name = "timer", .dev_id = &clockevent_xilinx_timer, }; diff --git a/arch/microblaze/mm/consistent.c b/arch/microblaze/mm/consistent.c index 5226b09..dbbf224 100644 --- a/arch/microblaze/mm/consistent.c +++ b/arch/microblaze/mm/consistent.c @@ -176,8 +176,7 @@ void consistent_free(size_t size, void *vaddr) page = virt_to_page(vaddr); do { - ClearPageReserved(page); - __free_page(page); + __free_reserved_page(page); page++; } while (size -= PAGE_SIZE); #else @@ -194,9 +193,7 @@ void consistent_free(size_t size, void *vaddr) pte_clear(&init_mm, (unsigned int)vaddr, ptep); if (pfn_valid(pfn)) { page = pfn_to_page(pfn); - - ClearPageReserved(page); - __free_page(page); + __free_reserved_page(page); } } vaddr += PAGE_SIZE; diff --git a/arch/microblaze/pci/pci-common.c b/arch/microblaze/pci/pci-common.c index 1b93bf0..66804ad 100644 --- a/arch/microblaze/pci/pci-common.c +++ b/arch/microblaze/pci/pci-common.c @@ -29,6 +29,7 @@ #include <linux/slab.h> #include <linux/of.h> #include <linux/of_address.h> +#include <linux/of_irq.h> #include <linux/of_pci.h> #include <linux/export.h> @@ -193,76 +194,6 @@ void pcibios_set_master(struct pci_dev *dev) } /* - * Reads the interrupt pin to determine if interrupt is use by card. - * If the interrupt is used, then gets the interrupt line from the - * openfirmware and sets it in the pci_dev and pci_config line. - */ -int pci_read_irq_line(struct pci_dev *pci_dev) -{ - struct of_irq oirq; - unsigned int virq; - - /* The current device-tree that iSeries generates from the HV - * PCI informations doesn't contain proper interrupt routing, - * and all the fallback would do is print out crap, so we - * don't attempt to resolve the interrupts here at all, some - * iSeries specific fixup does it. - * - * In the long run, we will hopefully fix the generated device-tree - * instead. - */ - pr_debug("PCI: Try to map irq for %s...\n", pci_name(pci_dev)); - -#ifdef DEBUG - memset(&oirq, 0xff, sizeof(oirq)); -#endif - /* Try to get a mapping from the device-tree */ - if (of_irq_map_pci(pci_dev, &oirq)) { - u8 line, pin; - - /* If that fails, lets fallback to what is in the config - * space and map that through the default controller. We - * also set the type to level low since that's what PCI - * interrupts are. If your platform does differently, then - * either provide a proper interrupt tree or don't use this - * function. - */ - if (pci_read_config_byte(pci_dev, PCI_INTERRUPT_PIN, &pin)) - return -1; - if (pin == 0) - return -1; - if (pci_read_config_byte(pci_dev, PCI_INTERRUPT_LINE, &line) || - line == 0xff || line == 0) { - return -1; - } - pr_debug(" No map ! Using line %d (pin %d) from PCI config\n", - line, pin); - - virq = irq_create_mapping(NULL, line); - if (virq) - irq_set_irq_type(virq, IRQ_TYPE_LEVEL_LOW); - } else { - pr_debug(" Got one, spec %d cells (0x%08x 0x%08x...) on %s\n", - oirq.size, oirq.specifier[0], oirq.specifier[1], - of_node_full_name(oirq.controller)); - - virq = irq_create_of_mapping(oirq.controller, oirq.specifier, - oirq.size); - } - if (!virq) { - pr_debug(" Failed to map !\n"); - return -1; - } - - pr_debug(" Mapped to linux irq %d\n", virq); - - pci_dev->irq = virq; - - return 0; -} -EXPORT_SYMBOL(pci_read_irq_line); - -/* * Platform support for /proc/bus/pci/X/Y mmap()s, * modelled on the sparc64 implementation by Dave Miller. * -- paulus. @@ -960,7 +891,7 @@ void pcibios_setup_bus_devices(struct pci_bus *bus) dev->dev.archdata.dma_data = (void *)PCI_DRAM_OFFSET; /* Read default IRQs and fixup if necessary */ - pci_read_irq_line(dev); + dev->irq = of_irq_parse_and_map_pci(dev, 0, 0); } } |
