Merge branch 'next' of git://git.monstr.eu/linux-2.6-microblaze

Pull microblaze updates from Michal Simek.

* 'next' of git://git.monstr.eu/linux-2.6-microblaze:
  microblaze: Enable IRQ in arch_cpu_idle
  microblaze: Fix uaccess_ok macro
  microblaze: Add support for new cpu versions and target architecture
  microblaze: Do not select OPT_LIB_ASM by default
  microblaze: Fix initrd support
  microblaze: Do not use r6 in head.S
  microblaze: pci: Remove duplicated header
  microblaze: Set the default irq_domain
  microblaze: pci: Remove duplicated include from pci-common.c

diff --git a/arch/microblaze/configs/mmu_defconfig b/arch/microblaze/configs/mmu_defconfig
index d2b097a..3649a8b 100644 (file)
--- a/arch/microblaze/configs/mmu_defconfig
+++ b/arch/microblaze/configs/mmu_defconfig
@@ -17,7 +17,6 @@ CONFIG_MODULE_UNLOAD=y
 # CONFIG_BLK_DEV_BSG is not set
 CONFIG_PARTITION_ADVANCED=y
 # CONFIG_EFI_PARTITION is not set
-CONFIG_OPT_LIB_ASM=y
 CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR=1
 CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR=1
 CONFIG_XILINX_MICROBLAZE0_USE_BARREL=1

diff --git a/arch/microblaze/include/asm/pci.h b/arch/microblaze/include/asm/pci.h
index 41cc841..d52abb6 100644 (file)
--- a/arch/microblaze/include/asm/pci.h
+++ b/arch/microblaze/include/asm/pci.h
@@ -153,7 +153,5 @@ extern void __init xilinx_pci_init(void);
 static inline void __init xilinx_pci_init(void) { return; }
 #endif
 
-#include <asm-generic/pci-dma-compat.h>
-
 #endif /* __KERNEL__ */
 #endif /* __ASM_MICROBLAZE_PCI_H */

diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h
index a1ab5f0..efe59d8 100644 (file)
--- a/arch/microblaze/include/asm/uaccess.h
+++ b/arch/microblaze/include/asm/uaccess.h
@@ -90,17 +90,25 @@ static inline int ___range_ok(unsigned long addr, unsigned long size)
 
 #else
 
-/*
- * Address is valid if:
- *  - "addr", "addr + size" and "size" are all below the limit
- */
-#define access_ok(type, addr, size) \
-       (get_fs().seg >= (((unsigned long)(addr)) | \
-               (size) | ((unsigned long)(addr) + (size))))
-
-/* || printk("access_ok failed for %s at 0x%08lx (size %d), seg 0x%08x\n",
- type?"WRITE":"READ",addr,size,get_fs().seg)) */
-
+static inline int access_ok(int type, const void __user *addr,
+                                                       unsigned long size)
+{
+       if (!size)
+               goto ok;
+
+       if ((get_fs().seg < ((unsigned long)addr)) ||
+                       (get_fs().seg < ((unsigned long)addr + size - 1))) {
+               pr_debug("ACCESS fail: %s at 0x%08x (size 0x%x), seg 0x%08x\n",
+                       type ? "WRITE" : "READ ", (u32)addr, (u32)size,
+                       (u32)get_fs().seg);
+               return 0;
+       }
+ok:
+       pr_debug("ACCESS OK: %s at 0x%08x (size 0x%x), seg 0x%08x\n",
+                       type ? "WRITE" : "READ ", (u32)addr, (u32)size,
+                       (u32)get_fs().seg);
+       return 1;
+}
 #endif
 
 #ifdef CONFIG_MMU

diff --git a/arch/microblaze/kernel/cpu/cpuinfo.c b/arch/microblaze/kernel/cpu/cpuinfo.c
index 0b2299b..410398f 100644 (file)
--- a/arch/microblaze/kernel/cpu/cpuinfo.c
+++ b/arch/microblaze/kernel/cpu/cpuinfo.c
@@ -37,6 +37,8 @@ const struct cpu_ver_key cpu_ver_lookup[] = {
        {"8.20.a", 0x15},
        {"8.20.b", 0x16},
        {"8.30.a", 0x17},
+       {"8.40.a", 0x18},
+       {"8.40.b", 0x19},
        {NULL, 0},
 };
 
@@ -57,6 +59,9 @@ const struct family_string_key family_string_lookup[] = {
        {"virtex6", 0xe},
        /* FIXME There is no key code defined for spartan2 */
        {"spartan2", 0xf0},
+       {"kintex7", 0x10},
+       {"artix7", 0x11},
+       {"zynq7000", 0x12},
        {NULL, 0},
 };
 

diff --git a/arch/microblaze/kernel/head.S b/arch/microblaze/kernel/head.S
index eef84de..fcc797f 100644 (file)
--- a/arch/microblaze/kernel/head.S
+++ b/arch/microblaze/kernel/head.S
@@ -112,16 +112,16 @@ no_fdt_arg:
  * copy command line directly to cmd_line placed in data section.
  */
        beqid   r5, skip        /* Skip if NULL pointer */
-       or      r6, r0, r0              /* incremment */
+       or      r11, r0, r0             /* incremment */
        ori     r4, r0, cmd_line        /* load address of command line */
        tophys(r4,r4)                   /* convert to phys address */
        ori     r3, r0, COMMAND_LINE_SIZE - 1 /* number of loops */
 _copy_command_line:
        /* r2=r5+r6 - r5 contain pointer to command line */
-       lbu             r2, r5, r6
+       lbu     r2, r5, r11
        beqid   r2, skip                /* Skip if no data */
-       sb              r2, r4, r6              /* addr[r4+r6]= r2*/
-       addik   r6, r6, 1               /* increment counting */
+       sb      r2, r4, r11             /* addr[r4+r6]= r2 */
+       addik   r11, r11, 1             /* increment counting */
        bgtid   r3, _copy_command_line  /* loop for all entries       */
        addik   r3, r3, -1              /* decrement loop */
        addik   r5, r4, 0               /* add new space for command line */
@@ -131,13 +131,13 @@ skip:
 
 #ifdef NOT_COMPILE
 /* save bram context */
-       or      r6, r0, r0                              /* incremment */
+       or      r11, r0, r0                             /* incremment */
        ori     r4, r0, TOPHYS(_bram_load_start)        /* save bram context */
        ori     r3, r0, (LMB_SIZE - 4)
 _copy_bram:
-       lw      r7, r0, r6              /* r7 = r0 + r6 */
-       sw      r7, r4, r6              /* addr[r4 + r6] = r7*/
-       addik   r6, r6, 4               /* increment counting */
+       lw      r7, r0, r11             /* r7 = r0 + r6 */
+       sw      r7, r4, r11             /* addr[r4 + r6] = r7 */
+       addik   r11, r11, 4             /* increment counting */
        bgtid   r3, _copy_bram          /* loop for all entries */
        addik   r3, r3, -4              /* descrement loop */
 #endif
@@ -303,8 +303,8 @@ jump_over2:
         * the exception vectors, using a 4k real==virtual mapping.
         */
        /* Use temporary TLB_ID for LMB - clear this temporary mapping later */
-       ori     r6, r0, MICROBLAZE_LMB_TLB_ID
-       mts     rtlbx,r6
+       ori     r11, r0, MICROBLAZE_LMB_TLB_ID
+       mts     rtlbx,r11
 
        ori     r4,r0,(TLB_WR | TLB_EX)
        ori     r3,r0,(TLB_VALID | TLB_PAGESZ(PAGESZ_4K))

diff --git a/arch/microblaze/kernel/intc.c b/arch/microblaze/kernel/intc.c
index 8778adf..d85fa3a 100644 (file)
--- a/arch/microblaze/kernel/intc.c
+++ b/arch/microblaze/kernel/intc.c
@@ -172,4 +172,6 @@ void __init init_IRQ(void)
         * and commits this patch.  ~~gcl */
        root_domain = irq_domain_add_linear(intc, nr_irq, &xintc_irq_domain_ops,
                                                        (void *)intr_mask);
+
+       irq_set_default_host(root_domain);
 }

diff --git a/arch/microblaze/kernel/process.c b/arch/microblaze/kernel/process.c
index a558938..7d1a9c8 100644 (file)
--- a/arch/microblaze/kernel/process.c
+++ b/arch/microblaze/kernel/process.c
@@ -160,3 +160,8 @@ int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpregs)
        return 0; /* MicroBlaze has no separate FPU registers */
 }
 #endif /* CONFIG_MMU */
+
+void arch_cpu_idle(void)
+{
+       local_irq_enable();
+}

diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index 4ec137d..b38ae3a 100644 (file)
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -404,10 +404,11 @@ asmlinkage void __init mmu_init(void)
 
 #if defined(CONFIG_BLK_DEV_INITRD)
        /* Remove the init RAM disk from the available memory. */
-/*     if (initrd_start) {
-               mem_pieces_remove(&phys_avail, __pa(initrd_start),
-                                 initrd_end - initrd_start, 1);
-       }*/
+       if (initrd_start) {
+               unsigned long size;
+               size = initrd_end - initrd_start;
+               memblock_reserve(virt_to_phys(initrd_start), size);
+       }
 #endif /* CONFIG_BLK_DEV_INITRD */
 
        /* Initialize the MMU hardware */

diff --git a/arch/microblaze/pci/pci-common.c b/arch/microblaze/pci/pci-common.c
index 9ea521e..bdb8ea1 100644 (file)
--- a/arch/microblaze/pci/pci-common.c
+++ b/arch/microblaze/pci/pci-common.c
@@ -30,7 +30,6 @@
 #include <linux/of.h>
 #include <linux/of_address.h>
 #include <linux/of_pci.h>
-#include <linux/pci.h>
 #include <linux/export.h>
 
 #include <asm/processor.h>