ppc4xx: Consolidate pci_pre_init() function
[platform/kernel/u-boot.git] / board / prodrive / p3p440 / p3p440.c
index 1a0486f..020f66d 100644 (file)
@@ -85,14 +85,14 @@ int board_early_init_f(void)
        /*--------------------------------------------------------------------
         * Setup the external bus controller/chip selects
         *-------------------------------------------------------------------*/
-       mtdcr(ebccfga, xbcfg);
-       reg = mfdcr(ebccfgd);
-       mtdcr(ebccfgd, reg | 0x04000000);       /* Set ATC */
+       mtdcr(EBC0_CFGADDR, EBC0_CFG);
+       reg = mfdcr(EBC0_CFGDATA);
+       mtdcr(EBC0_CFGDATA, reg | 0x04000000);  /* Set ATC */
 
        /*--------------------------------------------------------------------
         * Setup pin multiplexing (GPIO/IRQ...)
         *-------------------------------------------------------------------*/
-       mtdcr(cpc0_gpio, 0x03F01F80);
+       mtdcr(CPC0_GPIO, 0x03F01F80);
 
        out32(GPIO0_ODR, 0x00000000);   /* no open drain pins      */
        out32(GPIO0_TCR, CONFIG_SYS_GPIO_RDY | CONFIG_SYS_EREADY_IO | CONFIG_SYS_LED_RED | CONFIG_SYS_LED_GREEN);
@@ -101,21 +101,21 @@ int board_early_init_f(void)
        /*--------------------------------------------------------------------
         * Setup the interrupt controller polarities, triggers, etc.
         *-------------------------------------------------------------------*/
-       mtdcr(uic0sr, 0xffffffff);      /* clear all */
-       mtdcr(uic0er, 0x00000000);      /* disable all */
-       mtdcr(uic0cr, 0x00000001);      /* UIC1 crit is critical */
-       mtdcr(uic0pr, 0xfffffe13);      /* per ref-board manual */
-       mtdcr(uic0tr, 0x01c00008);      /* per ref-board manual */
-       mtdcr(uic0vr, 0x00000001);      /* int31 highest, base=0x000 */
-       mtdcr(uic0sr, 0xffffffff);      /* clear all */
-
-       mtdcr(uic1sr, 0xffffffff);      /* clear all */
-       mtdcr(uic1er, 0x00000000);      /* disable all */
-       mtdcr(uic1cr, 0x00000000);      /* all non-critical */
-       mtdcr(uic1pr, 0xffffe0ff);      /* per ref-board manual */
-       mtdcr(uic1tr, 0x00ffc000);      /* per ref-board manual */
-       mtdcr(uic1vr, 0x00000001);      /* int31 highest, base=0x000 */
-       mtdcr(uic1sr, 0xffffffff);      /* clear all */
+       mtdcr(UIC0SR, 0xffffffff);      /* clear all */
+       mtdcr(UIC0ER, 0x00000000);      /* disable all */
+       mtdcr(UIC0CR, 0x00000001);      /* UIC1 crit is critical */
+       mtdcr(UIC0PR, 0xfffffe13);      /* per ref-board manual */
+       mtdcr(UIC0TR, 0x01c00008);      /* per ref-board manual */
+       mtdcr(UIC0VR, 0x00000001);      /* int31 highest, base=0x000 */
+       mtdcr(UIC0SR, 0xffffffff);      /* clear all */
+
+       mtdcr(UIC1SR, 0xffffffff);      /* clear all */
+       mtdcr(UIC1ER, 0x00000000);      /* disable all */
+       mtdcr(UIC1CR, 0x00000000);      /* all non-critical */
+       mtdcr(UIC1PR, 0xffffe0ff);      /* per ref-board manual */
+       mtdcr(UIC1TR, 0x00ffc000);      /* per ref-board manual */
+       mtdcr(UIC1VR, 0x00000001);      /* int31 highest, base=0x000 */
+       mtdcr(UIC1SR, 0xffffffff);      /* clear all */
 
        return 0;
 }
@@ -153,89 +153,19 @@ int misc_init_r (void)
         * Check if only one FLASH bank is available
         */
        if (gd->bd->bi_flashsize != CONFIG_SYS_MAX_FLASH_BANKS * (0 - CONFIG_SYS_FLASH0)) {
-               mtebc(pb1cr, 0);                        /* disable cs */
-               mtebc(pb1ap, 0);
-               mtebc(pb2cr, 0);                        /* disable cs */
-               mtebc(pb2ap, 0);
-               mtebc(pb3cr, 0);                        /* disable cs */
-               mtebc(pb3ap, 0);
+               mtebc(PB1CR, 0);                        /* disable cs */
+               mtebc(PB1AP, 0);
+               mtebc(PB2CR, 0);                        /* disable cs */
+               mtebc(PB2AP, 0);
+               mtebc(PB3CR, 0);                        /* disable cs */
+               mtebc(PB3AP, 0);
        }
 
        return 0;
 }
 
 /*************************************************************************
- *  pci_pre_init
- *
- *  This routine is called just prior to registering the hose and gives
- *  the board the opportunity to check things. Returning a value of zero
- *  indicates that things are bad & PCI initialization should be aborted.
- *
- *     Different boards may wish to customize the pci controller structure
- *     (add regions, override default access routines, etc) or perform
- *     certain pre-initialization actions.
- *
- ************************************************************************/
-#if defined(CONFIG_PCI)
-int pci_pre_init(struct pci_controller *hose)
-{
-       unsigned long strap;
-
-       /*--------------------------------------------------------------------------+
-        *      The P3P440 board is always configured as the host & requires the
-        *      PCI arbiter to be disabled because it's an PMC module.
-        *--------------------------------------------------------------------------*/
-       strap = mfdcr(cpc0_strp1);
-       if (strap & 0x00100000) {
-               printf("PCI: CPC0_STRP1[PAE] set.\n");
-               return 0;
-       }
-
-       return 1;
-}
-#endif /* defined(CONFIG_PCI) */
-
-/*************************************************************************
- *  pci_target_init
- *
- *     The bootstrap configuration provides default settings for the pci
- *     inbound map (PIM). But the bootstrap config choices are limited and
- *     may not be sufficient for a given board.
- *
- ************************************************************************/
-#if defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT)
-void pci_target_init(struct pci_controller *hose)
-{
-       /*--------------------------------------------------------------------------+
-        * Disable everything
-        *--------------------------------------------------------------------------*/
-       out32r(PCIX0_PIM0SA, 0);        /* disable */
-       out32r(PCIX0_PIM1SA, 0);        /* disable */
-       out32r(PCIX0_PIM2SA, 0);        /* disable */
-       out32r(PCIX0_EROMBA, 0);        /* disable expansion rom */
-
-       /*--------------------------------------------------------------------------+
-        * Map all of SDRAM to PCI address 0x0000_0000. Note that the 440 strapping
-        * options to not support sizes such as 128/256 MB.
-        *--------------------------------------------------------------------------*/
-       out32r(PCIX0_PIM0LAL, CONFIG_SYS_SDRAM_BASE);
-       out32r(PCIX0_PIM0LAH, 0);
-       out32r(PCIX0_PIM0SA, ~(gd->ram_size - 1) | 1);
-
-       out32r(PCIX0_BAR0, 0);
-
-       /*--------------------------------------------------------------------------+
-        * Program the board's subsystem id/vendor id
-        *--------------------------------------------------------------------------*/
-       out16r(PCIX0_SBSYSVID, CONFIG_SYS_PCI_SUBSYS_VENDORID);
-       out16r(PCIX0_SBSYSID, CONFIG_SYS_PCI_SUBSYS_DEVICEID);
-
-       out16r(PCIX0_CMD, in16r(PCIX0_CMD) | PCI_COMMAND_MEMORY);
-}
-#endif                         /* defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT) */
-
-/*************************************************************************
- *  is_pci_host
+ * Override weak is_pci_host()
  *
  *     This routine is called to determine if a pci scan should be
  *     performed. With various hardware environments (especially cPCI and