ppc4xx: Consolidate 4xx PCIe board specific configuration
[platform/kernel/u-boot.git] / board / amcc / makalu / makalu.c
index 3b4a9c1..43b9bc6 100644 (file)
 #include <ppc405.h>
 #include <libfdt.h>
 #include <asm/processor.h>
-#include <asm-ppc/io.h>
+#include <asm/gpio.h>
+#include <asm/io.h>
+#include <fdt_support.h>
+#include <asm/errno.h>
 
 #if defined(CONFIG_PCI)
 #include <pci.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
-extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips   */
+extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips    */
 
 /*
  * Board early initialization function
  */
 int board_early_init_f (void)
 {
+       u32 val;
+
        /*--------------------------------------------------------------------+
         | Interrupt controller setup for the AMCC 405EX(r) PINE evaluation board.
         +--------------------------------------------------------------------+
@@ -155,33 +160,33 @@ int board_early_init_f (void)
         | interrupts again.
         +-------------------------------------------------------------------*/
 
-       mtdcr (uic2sr, 0xffffffff);     /* Clear all interrupts */
-       mtdcr (uic2er, 0x00000000);     /* disable all interrupts */
-       mtdcr (uic2cr, 0x00000000);     /* Set Critical / Non Critical interrupts */
-       mtdcr (uic2pr, 0xf7ffffff);     /* Set Interrupt Polarities */
-       mtdcr (uic2tr, 0x01e1fff8);     /* Set Interrupt Trigger Levels */
-       mtdcr (uic2vr, 0x00000001);     /* Set Vect base=0,INT31 Highest priority */
-       mtdcr (uic2sr, 0x00000000);     /* clear all interrupts */
-       mtdcr (uic2sr, 0xffffffff);     /* clear all interrupts */
-
-       mtdcr (uic1sr, 0xffffffff);     /* Clear all interrupts */
-       mtdcr (uic1er, 0x00000000);     /* disable all interrupts */
-       mtdcr (uic1cr, 0x00000000);     /* Set Critical / Non Critical interrupts */
-       mtdcr (uic1pr, 0xfffac785);     /* Set Interrupt Polarities */
-       mtdcr (uic1tr, 0x001d0040);     /* Set Interrupt Trigger Levels */
-       mtdcr (uic1vr, 0x00000001);     /* Set Vect base=0,INT31 Highest priority */
-       mtdcr (uic1sr, 0x00000000);     /* clear all interrupts */
-       mtdcr (uic1sr, 0xffffffff);     /* clear all interrupts */
-
-       mtdcr (uic0sr, 0xffffffff);     /* Clear all interrupts */
-       mtdcr (uic0er, 0x0000000a);     /* Disable all interrupts */
+       mtdcr (UIC2SR, 0xffffffff);     /* Clear all interrupts */
+       mtdcr (UIC2ER, 0x00000000);     /* disable all interrupts */
+       mtdcr (UIC2CR, 0x00000000);     /* Set Critical / Non Critical interrupts */
+       mtdcr (UIC2PR, 0xf7ffffff);     /* Set Interrupt Polarities */
+       mtdcr (UIC2TR, 0x01e1fff8);     /* Set Interrupt Trigger Levels */
+       mtdcr (UIC2VR, 0x00000001);     /* Set Vect base=0,INT31 Highest priority */
+       mtdcr (UIC2SR, 0x00000000);     /* clear all interrupts */
+       mtdcr (UIC2SR, 0xffffffff);     /* clear all interrupts */
+
+       mtdcr (UIC1SR, 0xffffffff);     /* Clear all interrupts */
+       mtdcr (UIC1ER, 0x00000000);     /* disable all interrupts */
+       mtdcr (UIC1CR, 0x00000000);     /* Set Critical / Non Critical interrupts */
+       mtdcr (UIC1PR, 0xfffac785);     /* Set Interrupt Polarities */
+       mtdcr (UIC1TR, 0x001d0040);     /* Set Interrupt Trigger Levels */
+       mtdcr (UIC1VR, 0x00000001);     /* Set Vect base=0,INT31 Highest priority */
+       mtdcr (UIC1SR, 0x00000000);     /* clear all interrupts */
+       mtdcr (UIC1SR, 0xffffffff);     /* clear all interrupts */
+
+       mtdcr (UIC0SR, 0xffffffff);     /* Clear all interrupts */
+       mtdcr (UIC0ER, 0x0000000a);     /* Disable all interrupts */
                                        /* Except cascade UIC0 and UIC1 */
-       mtdcr (uic0cr, 0x00000000);     /* Set Critical / Non Critical interrupts */
-       mtdcr (uic0pr, 0xffbfefef);     /* Set Interrupt Polarities */
-       mtdcr (uic0tr, 0x00007000);     /* Set Interrupt Trigger Levels */
-       mtdcr (uic0vr, 0x00000001);     /* Set Vect base=0,INT31 Highest priority */
-       mtdcr (uic0sr, 0x00000000);     /* clear all interrupts */
-       mtdcr (uic0sr, 0xffffffff);     /* clear all interrupts */
+       mtdcr (UIC0CR, 0x00000000);     /* Set Critical / Non Critical interrupts */
+       mtdcr (UIC0PR, 0xffbfefef);     /* Set Interrupt Polarities */
+       mtdcr (UIC0TR, 0x00007000);     /* Set Interrupt Trigger Levels */
+       mtdcr (UIC0VR, 0x00000001);     /* Set Vect base=0,INT31 Highest priority */
+       mtdcr (UIC0SR, 0x00000000);     /* clear all interrupts */
+       mtdcr (UIC0SR, 0xffffffff);     /* clear all interrupts */
 
        /*
         * Note: Some cores are still in reset when the chip starts, so
@@ -189,15 +194,27 @@ int board_early_init_f (void)
         */
        mtsdr(SDR0_SRST, 0);
 
+       /* Reset PCIe slots */
+       gpio_write_bit(CONFIG_SYS_GPIO_PCIE_RST, 0);
+       udelay(100);
+       gpio_write_bit(CONFIG_SYS_GPIO_PCIE_RST, 1);
+
+       /*
+        * Configure PFC (Pin Function Control) registers
+        * -> Enable USB
+        */
+       val = SDR0_PFC1_USBEN | SDR0_PFC1_USBBIGEN | SDR0_PFC1_GPT_FREQ;
+       mtsdr(SDR0_PFC1, val);
+
        return 0;
 }
 
 int misc_init_r(void)
 {
-#ifdef CFG_ENV_IS_IN_FLASH
+#ifdef CONFIG_ENV_IS_IN_FLASH
        /* Monitor protection ON by default */
        flash_protect(FLAG_PROTECT_SET,
-                     -CFG_MONITOR_LEN,
+                     -CONFIG_SYS_MONITOR_LEN,
                      0xffffffff,
                      &flash_info[0]);
 #endif
@@ -239,112 +256,6 @@ int pci_pre_init(struct pci_controller * hose )
 }
 #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(CFG_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, CFG_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, CFG_PCI_SUBSYS_VENDORID );
-       out16r( PCIX0_SBSYSID, CFG_PCI_SUBSYS_DEVICEID );
-
-       out16r( PCIX0_CMD, in16r(PCIX0_CMD) | PCI_COMMAND_MEMORY );
-}
-#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) */
-
-#ifdef CONFIG_PCI
-static struct pci_controller pcie_hose[2] = {{0},{0}};
-
-void pcie_setup_hoses(int busno)
-{
-       struct pci_controller *hose;
-       int i, bus;
-       int ret = 0;
-       bus = busno;
-       char *env;
-       unsigned int delay;
-
-       for (i = 0; i < 2; i++) {
-
-               if (is_end_point(i)) {
-                       printf("PCIE%d: will be configured as endpoint\n", i);
-                       ret = ppc4xx_init_pcie_endport(i);
-               } else {
-                       printf("PCIE%d: will be configured as root-complex\n", i);
-                       ret = ppc4xx_init_pcie_rootport(i);
-               }
-               if (ret) {
-                       printf("PCIE%d: initialization failed\n", i);
-                       continue;
-               }
-
-               hose = &pcie_hose[i];
-               hose->first_busno = bus;
-               hose->last_busno = bus;
-               hose->current_busno = bus;
-
-               /* setup mem resource */
-               pci_set_region(hose->regions + 0,
-                              CFG_PCIE_MEMBASE + i * CFG_PCIE_MEMSIZE,
-                              CFG_PCIE_MEMBASE + i * CFG_PCIE_MEMSIZE,
-                              CFG_PCIE_MEMSIZE,
-                              PCI_REGION_MEM);
-               hose->region_count = 1;
-               pci_register_hose(hose);
-
-               if (is_end_point(i)) {
-                       ppc4xx_setup_pcie_endpoint(hose, i);
-                       /*
-                        * Reson for no scanning is endpoint can not generate
-                        * upstream configuration accesses.
-                        */
-               } else {
-                       ppc4xx_setup_pcie_rootpoint(hose, i);
-                       env = getenv ("pciscandelay");
-                       if (env != NULL) {
-                               delay = simple_strtoul(env, NULL, 10);
-                               if (delay > 5)
-                                       printf("Warning, expect noticable delay before "
-                                              "PCIe scan due to 'pciscandelay' value!\n");
-                               mdelay(delay * 1000);
-                       }
-
-                       /*
-                        * Config access can only go down stream
-                        */
-                       hose->last_busno = pci_hose_scan(hose);
-                       bus = hose->last_busno + 1;
-               }
-       }
-}
-#endif
-
 #if defined(CONFIG_POST)
 /*
  * Returns 1 if keys pressed to start the power-on long-running tests
@@ -355,24 +266,3 @@ int post_hotkeys_pressed(void)
        return 0;       /* No hotkeys supported */
 }
 #endif /* CONFIG_POST */
-
-#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
-void ft_board_setup(void *blob, bd_t *bd)
-{
-       u32 val[4];
-       int rc;
-
-       ft_cpu_setup(blob, bd);
-
-       /* Fixup NOR mapping */
-       val[0] = 0;                             /* chip select number */
-       val[1] = 0;                             /* always 0 */
-       val[2] = gd->bd->bi_flashstart;
-       val[3] = gd->bd->bi_flashsize;
-       rc = fdt_find_and_setprop(blob, "/plb/opb/ebc", "ranges",
-                                 val, sizeof(val), 1);
-       if (rc)
-               printf("Unable to update property NOR mapping, err=%s\n",
-                      fdt_strerror(rc));
-}
-#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */