Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / arch / ppc / 8xx_io / commproc.c

diff --git a/arch/ppc/8xx_io/commproc.c b/arch/ppc/8xx_io/commproc.c
index 0cc2e7a..12b84ca 100644 (file)
--- a/arch/ppc/8xx_io/commproc.c
+++ b/arch/ppc/8xx_io/commproc.c
@@ -39,8 +39,6 @@
 #include <asm/tlbflush.h>
 #include <asm/rheap.h>
 
-extern int get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep);
-
 static void m8xx_cpm_dpinit(void);
 static uint    host_buffer;    /* One page of host buffer */
 static uint    host_end;       /* end + 1 */
@@ -75,7 +73,7 @@ cpm_mask_irq(unsigned int irq)
 {
        int cpm_vec = irq - CPM_IRQ_OFFSET;
 
-       ((immap_t *)IMAP_ADDR)->im_cpic.cpic_cimr &= ~(1 << cpm_vec);
+       clrbits32(&((immap_t *)IMAP_ADDR)->im_cpic.cpic_cimr, (1 << cpm_vec));
 }
 
 static void
@@ -83,7 +81,7 @@ cpm_unmask_irq(unsigned int irq)
 {
        int cpm_vec = irq - CPM_IRQ_OFFSET;
 
-       ((immap_t *)IMAP_ADDR)->im_cpic.cpic_cimr |= (1 << cpm_vec);
+       setbits32(&((immap_t *)IMAP_ADDR)->im_cpic.cpic_cimr, (1 << cpm_vec));
 }
 
 static void
@@ -97,7 +95,7 @@ cpm_eoi(unsigned int irq)
 {
        int cpm_vec = irq - CPM_IRQ_OFFSET;
 
-       ((immap_t *)IMAP_ADDR)->im_cpic.cpic_cisr = (1 << cpm_vec);
+       out_be32(&((immap_t *)IMAP_ADDR)->im_cpic.cpic_cisr, (1 << cpm_vec));
 }
 
 struct hw_interrupt_type cpm_pic = {
@@ -108,14 +106,11 @@ struct hw_interrupt_type cpm_pic = {
        .end            = cpm_eoi,
 };
 
-extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
-
 void
-m8xx_cpm_reset(uint bootpage)
+m8xx_cpm_reset(void)
 {
        volatile immap_t         *imp;
        volatile cpm8xx_t       *commproc;
-       pte_t *pte;
 
        imp = (immap_t *)IMAP_ADDR;
        commproc = (cpm8xx_t *)&imp->im_cpm;
@@ -138,22 +133,11 @@ m8xx_cpm_reset(uint bootpage)
         * manual recommends it.
         * Bit 25, FAM can also be set to use FEC aggressive mode (860T).
         */
-       imp->im_siu_conf.sc_sdcr = 1;
+       out_be32(&imp->im_siu_conf.sc_sdcr, 1),
 
        /* Reclaim the DP memory for our use. */
        m8xx_cpm_dpinit();
 
-       /* get the PTE for the bootpage */
-       if (!get_pteptr(&init_mm, bootpage, &pte))
-              panic("get_pteptr failed\n");
-                                                                                                                                                                                       
-       /* and make it uncachable */
-       pte_val(*pte) |= _PAGE_NO_CACHE;
-       _tlbie(bootpage);
-
-       host_buffer = bootpage;
-       host_end = host_buffer + PAGE_SIZE;
-
        /* Tell everyone where the comm processor resides.
        */
        cpmp = (cpm8xx_t *)commproc;
@@ -194,10 +178,10 @@ cpm_interrupt_init(void)
 
        /* Initialize the CPM interrupt controller.
        */
-       ((immap_t *)IMAP_ADDR)->im_cpic.cpic_cicr =
+       out_be32(&((immap_t *)IMAP_ADDR)->im_cpic.cpic_cicr,
            (CICR_SCD_SCC4 | CICR_SCC_SCC3 | CICR_SCB_SCC2 | CICR_SCA_SCC1) |
-               ((CPM_INTERRUPT/2) << 13) | CICR_HP_MASK;
-       ((immap_t *)IMAP_ADDR)->im_cpic.cpic_cimr = 0;
+               ((CPM_INTERRUPT/2) << 13) | CICR_HP_MASK);
+       out_be32(&((immap_t *)IMAP_ADDR)->im_cpic.cpic_cimr, 0);
 
         /* install the CPM interrupt controller routines for the CPM
          * interrupt vectors
@@ -214,7 +198,7 @@ cpm_interrupt_init(void)
        if (setup_irq(CPM_IRQ_OFFSET + CPMVEC_ERROR, &cpm_error_irqaction))
                panic("Could not allocate CPM error IRQ!");
 
-       ((immap_t *)IMAP_ADDR)->im_cpic.cpic_cicr |= CICR_IEN;
+       setbits32(&((immap_t *)IMAP_ADDR)->im_cpic.cpic_cicr, CICR_IEN);
 }
 
 /*
@@ -228,8 +212,8 @@ cpm_get_irq(struct pt_regs *regs)
        /* Get the vector by setting the ACK bit and then reading
         * the register.
         */
-       ((volatile immap_t *)IMAP_ADDR)->im_cpic.cpic_civr = 1;
-       cpm_vec = ((volatile immap_t *)IMAP_ADDR)->im_cpic.cpic_civr;
+       out_be16(&((volatile immap_t *)IMAP_ADDR)->im_cpic.cpic_civr, 1);
+       cpm_vec = in_be16(&((volatile immap_t *)IMAP_ADDR)->im_cpic.cpic_civr);
        cpm_vec >>= 11;
 
        return cpm_vec;
@@ -384,8 +368,6 @@ static rh_info_t cpm_dpmem_info;
 
 void m8xx_cpm_dpinit(void)
 {
-       cpm8xx_t *cp = &((immap_t *)IMAP_ADDR)->im_cpm;
-
        spin_lock_init(&cpm_dpmem_lock);
 
        /* Initialize the info header */
@@ -406,9 +388,8 @@ void m8xx_cpm_dpinit(void)
 
 /*
  * Allocate the requested size worth of DP memory.
- * This function used to return an index into the DPRAM area.
- * Now it returns the actuall physical address of that area.
- * use m8xx_cpm_dpram_offset() to get the index
+ * This function returns an offset into the DPRAM area.
+ * Use cpm_dpram_addr() to get the virtual address of the area.
  */
 uint cpm_dpalloc(uint size, uint align)
 {