MPC8349EMDS: use 83XX_GENERIC_PCI setup code
authorIra W. Snyder <iws@ovro.caltech.edu>
Fri, 22 Aug 2008 18:00:13 +0000 (11:00 -0700)
committerKim Phillips <kim.phillips@freescale.com>
Mon, 25 Aug 2008 22:04:24 +0000 (17:04 -0500)
Change the MPC8349EMDS board to use the generic PCI initialization code
for the mpc83xx cpu.

Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
board/freescale/mpc8349emds/pci.c
include/configs/MPC8349EMDS.h

index ecc67b66e52ac57b182c914871e8901bd5d5e15d..a783bebad32a05fa3360d5d60d02b71de014c7da 100644 (file)
  */
 
 #include <asm/mmu.h>
+#include <asm/io.h>
 #include <common.h>
-#include <asm/global_data.h>
+#include <mpc83xx.h>
 #include <pci.h>
-#include <asm/mpc8349_pci.h>
 #include <i2c.h>
-#if defined(CONFIG_OF_LIBFDT)
-#include <libfdt.h>
-#include <fdt_support.h>
-#endif
-
+#include <asm/fsl_i2c.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
 #ifdef CONFIG_PCI
 
-/* System RAM mapped to PCI space */
-#define CONFIG_PCI_SYS_MEM_BUS CFG_SDRAM_BASE
-#define CONFIG_PCI_SYS_MEM_PHYS        CFG_SDRAM_BASE
-
-#ifndef CONFIG_PCI_PNP
-static struct pci_config_table pci_mpc8349emds_config_table[] = {
-       {PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
-        PCI_IDSEL_NUMBER, PCI_ANY_ID,
-        pci_cfgfunc_config_device, {PCI_ENET0_IOADDR,
-                                    PCI_ENET0_MEMADDR,
-                                    PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER
-               }
+static struct pci_region pci1_regions[] = {
+       {
+               bus_start: CFG_PCI1_MEM_BASE,
+               phys_start: CFG_PCI1_MEM_PHYS,
+               size: CFG_PCI1_MEM_SIZE,
+               flags: PCI_REGION_MEM | PCI_REGION_PREFETCH
+       },
+       {
+               bus_start: CFG_PCI1_IO_BASE,
+               phys_start: CFG_PCI1_IO_PHYS,
+               size: CFG_PCI1_IO_SIZE,
+               flags: PCI_REGION_IO
+       },
+       {
+               bus_start: CFG_PCI1_MMIO_BASE,
+               phys_start: CFG_PCI1_MMIO_PHYS,
+               size: CFG_PCI1_MMIO_SIZE,
+               flags: PCI_REGION_MEM
        },
-       {}
 };
-#endif
 
-static struct pci_controller pci_hose[] = {
-       {
-#ifndef CONFIG_PCI_PNP
-       config_table:pci_mpc8349emds_config_table,
-#endif
-       },
-       {
-#ifndef CONFIG_PCI_PNP
-       config_table:pci_mpc8349emds_config_table,
-#endif
-       }
+#ifdef CONFIG_MPC83XX_PCI2
+static struct pci_region pci2_regions[] = {
+       {
+               bus_start: CFG_PCI2_MEM_BASE,
+               phys_start: CFG_PCI2_MEM_PHYS,
+               size: CFG_PCI2_MEM_SIZE,
+               flags: PCI_REGION_MEM | PCI_REGION_PREFETCH
+       },
+       {
+               bus_start: CFG_PCI2_IO_BASE,
+               phys_start: CFG_PCI2_IO_PHYS,
+               size: CFG_PCI2_IO_SIZE,
+               flags: PCI_REGION_IO
+       },
+       {
+               bus_start: CFG_PCI2_MMIO_BASE,
+               phys_start: CFG_PCI2_MMIO_PHYS,
+               size: CFG_PCI2_MMIO_SIZE,
+               flags: PCI_REGION_MEM
+       },
 };
+#endif
 
-/**************************************************************************
- *
- * pib_init() -- initialize the PCA9555PW IO expander on the PIB board
- *
- */
-void
-pib_init(void)
+void pib_init(void)
 {
        u8 val8, orig_i2c_bus;
        /*
@@ -128,299 +132,38 @@ pib_init(void)
        i2c_set_bus_num(orig_i2c_bus);
 }
 
-/**************************************************************************
- * pci_init_board()
- *
- * NOTICE: PCI2 is not currently supported
- *
- */
-void
-pci_init_board(void)
+void pci_init_board(void)
 {
-       volatile immap_t *      immr;
-       volatile clk83xx_t *    clk;
-       volatile law83xx_t *    pci_law;
-       volatile pot83xx_t *    pci_pot;
-       volatile pcictrl83xx_t *        pci_ctrl;
-       volatile pciconf83xx_t *        pci_conf;
-       u16 reg16;
-       u32 reg32;
-       u32 dev;
-       struct  pci_controller * hose;
-
-       immr = (immap_t *)CFG_IMMR;
-       clk = (clk83xx_t *)&immr->clk;
-       pci_law = immr->sysconf.pcilaw;
-       pci_pot = immr->ios.pot;
-       pci_ctrl = immr->pci_ctrl;
-       pci_conf = immr->pci_conf;
-
-       hose = &pci_hose[0];
+       volatile immap_t *immr = (volatile immap_t *)CFG_IMMR;
+       volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk;
+       volatile law83xx_t *pci_law = immr->sysconf.pcilaw;
+#ifndef CONFIG_MPC83XX_PCI2
+       struct pci_region *reg[] = { pci1_regions };
+#else
+       struct pci_region *reg[] = { pci1_regions, pci2_regions };
+#endif
 
+       /* initialize the PCA9555PW IO expander on the PIB board */
        pib_init();
 
-       /*
-        * Configure PCI controller and PCI_CLK_OUTPUT both in 66M mode
-        */
-
-       reg32 = clk->occr;
-       udelay(2000);
+       /* Enable all 8 PCI_CLK_OUTPUTS */
        clk->occr = 0xff000000;
        udelay(2000);
 
-       /*
-        * Release PCI RST Output signal
-        */
-       pci_ctrl[0].gcr = 0;
-       udelay(2000);
-       pci_ctrl[0].gcr = 1;
-
-#ifdef CONFIG_MPC83XX_PCI2
-       pci_ctrl[1].gcr = 0;
-       udelay(2000);
-       pci_ctrl[1].gcr = 1;
-#endif
-
-       /* We need to wait at least a 1sec based on PCI specs */
-       {
-               int i;
-
-               for (i = 0; i < 1000; ++i)
-                       udelay (1000);
-       }
-
-       /*
-        * Configure PCI Local Access Windows
-        */
+       /* Configure PCI Local Access Windows */
        pci_law[0].bar = CFG_PCI1_MEM_PHYS & LAWBAR_BAR;
        pci_law[0].ar = LAWAR_EN | LAWAR_SIZE_1G;
 
        pci_law[1].bar = CFG_PCI1_IO_PHYS & LAWBAR_BAR;
        pci_law[1].ar = LAWAR_EN | LAWAR_SIZE_4M;
 
-       /*
-        * Configure PCI Outbound Translation Windows
-        */
-
-       /* PCI1 mem space - prefetch */
-       pci_pot[0].potar = (CFG_PCI1_MEM_BASE >> 12) & POTAR_TA_MASK;
-       pci_pot[0].pobar = (CFG_PCI1_MEM_PHYS >> 12) & POBAR_BA_MASK;
-       pci_pot[0].pocmr = POCMR_EN | POCMR_PREFETCH_EN | (POCMR_CM_256M & POCMR_CM_MASK);
-
-       /* PCI1 IO space */
-       pci_pot[1].potar = (CFG_PCI1_IO_BASE >> 12) & POTAR_TA_MASK;
-       pci_pot[1].pobar = (CFG_PCI1_IO_PHYS >> 12) & POBAR_BA_MASK;
-       pci_pot[1].pocmr = POCMR_EN | POCMR_IO | (POCMR_CM_1M & POCMR_CM_MASK);
-
-       /* PCI1 mmio - non-prefetch mem space */
-       pci_pot[2].potar = (CFG_PCI1_MMIO_BASE >> 12) & POTAR_TA_MASK;
-       pci_pot[2].pobar = (CFG_PCI1_MMIO_PHYS >> 12) & POBAR_BA_MASK;
-       pci_pot[2].pocmr = POCMR_EN | (POCMR_CM_256M & POCMR_CM_MASK);
-
-       /*
-        * Configure PCI Inbound Translation Windows
-        */
-
-       /* we need RAM mapped to PCI space for the devices to
-        * access main memory */
-       pci_ctrl[0].pitar1 = 0x0;
-       pci_ctrl[0].pibar1 = 0x0;
-       pci_ctrl[0].piebar1 = 0x0;
-       pci_ctrl[0].piwar1 = PIWAR_EN | PIWAR_PF | PIWAR_RTT_SNOOP | PIWAR_WTT_SNOOP | (__ilog2(gd->ram_size) - 1);
-
-       hose->first_busno = 0;
-       hose->last_busno = 0xff;
-
-       /* PCI memory prefetch space */
-       pci_set_region(hose->regions + 0,
-                      CFG_PCI1_MEM_BASE,
-                      CFG_PCI1_MEM_PHYS,
-                      CFG_PCI1_MEM_SIZE,
-                      PCI_REGION_MEM|PCI_REGION_PREFETCH);
-
-       /* PCI memory space */
-       pci_set_region(hose->regions + 1,
-                      CFG_PCI1_MMIO_BASE,
-                      CFG_PCI1_MMIO_PHYS,
-                      CFG_PCI1_MMIO_SIZE,
-                      PCI_REGION_MEM);
-
-       /* PCI IO space */
-       pci_set_region(hose->regions + 2,
-                      CFG_PCI1_IO_BASE,
-                      CFG_PCI1_IO_PHYS,
-                      CFG_PCI1_IO_SIZE,
-                      PCI_REGION_IO);
-
-       /* System memory space */
-       pci_set_region(hose->regions + 3,
-                      CONFIG_PCI_SYS_MEM_BUS,
-                      CONFIG_PCI_SYS_MEM_PHYS,
-                      gd->ram_size,
-                      PCI_REGION_MEM | PCI_REGION_MEMORY);
-
-       hose->region_count = 4;
-
-       pci_setup_indirect(hose,
-                          (CFG_IMMR+0x8300),
-                          (CFG_IMMR+0x8304));
-
-       pci_register_hose(hose);
-
-       /*
-        * Write to Command register
-        */
-       reg16 = 0xff;
-       dev = PCI_BDF(hose->first_busno, 0, 0);
-       pci_hose_read_config_word (hose, dev, PCI_COMMAND, &reg16);
-       reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
-       pci_hose_write_config_word(hose, dev, PCI_COMMAND, reg16);
-
-       /*
-        * Clear non-reserved bits in status register.
-        */
-       pci_hose_write_config_word(hose, dev, PCI_STATUS, 0xffff);
-       pci_hose_write_config_byte(hose, dev, PCI_LATENCY_TIMER, 0x80);
-       pci_hose_write_config_byte(hose, dev, PCI_CACHE_LINE_SIZE, 0x08);
-
-#ifdef CONFIG_PCI_SCAN_SHOW
-       printf("PCI:   Bus Dev VenId DevId Class Int\n");
-#endif
-       /*
-        * Hose scan.
-        */
-       hose->last_busno = pci_hose_scan(hose);
-
-#ifdef CONFIG_MPC83XX_PCI2
-       hose = &pci_hose[1];
-
-       /*
-        * Configure PCI Outbound Translation Windows
-        */
-
-       /* PCI2 mem space - prefetch */
-       pci_pot[3].potar = (CFG_PCI2_MEM_BASE >> 12) & POTAR_TA_MASK;
-       pci_pot[3].pobar = (CFG_PCI2_MEM_PHYS >> 12) & POBAR_BA_MASK;
-       pci_pot[3].pocmr = POCMR_EN | POCMR_PCI2 | POCMR_PREFETCH_EN | (POCMR_CM_256M & POCMR_CM_MASK);
-
-       /* PCI2 IO space */
-       pci_pot[4].potar = (CFG_PCI2_IO_BASE >> 12) & POTAR_TA_MASK;
-       pci_pot[4].pobar = (CFG_PCI2_IO_PHYS >> 12) & POBAR_BA_MASK;
-       pci_pot[4].pocmr = POCMR_EN | POCMR_PCI2 | POCMR_IO | (POCMR_CM_1M & POCMR_CM_MASK);
-
-       /* PCI2 mmio - non-prefetch mem space */
-       pci_pot[5].potar = (CFG_PCI2_MMIO_BASE >> 12) & POTAR_TA_MASK;
-       pci_pot[5].pobar = (CFG_PCI2_MMIO_PHYS >> 12) & POBAR_BA_MASK;
-       pci_pot[5].pocmr = POCMR_EN | POCMR_PCI2 | (POCMR_CM_256M & POCMR_CM_MASK);
-
-       /*
-        * Configure PCI Inbound Translation Windows
-        */
-
-       /* we need RAM mapped to PCI space for the devices to
-        * access main memory */
-       pci_ctrl[1].pitar1 = 0x0;
-       pci_ctrl[1].pibar1 = 0x0;
-       pci_ctrl[1].piebar1 = 0x0;
-       pci_ctrl[1].piwar1 = PIWAR_EN | PIWAR_PF | PIWAR_RTT_SNOOP | PIWAR_WTT_SNOOP | (__ilog2(gd->ram_size) - 1);
-
-       hose->first_busno = pci_hose[0].last_busno + 1;
-       hose->last_busno = 0xff;
-
-       /* PCI memory prefetch space */
-       pci_set_region(hose->regions + 0,
-                      CFG_PCI2_MEM_BASE,
-                      CFG_PCI2_MEM_PHYS,
-                      CFG_PCI2_MEM_SIZE,
-                      PCI_REGION_MEM|PCI_REGION_PREFETCH);
-
-       /* PCI memory space */
-       pci_set_region(hose->regions + 1,
-                      CFG_PCI2_MMIO_BASE,
-                      CFG_PCI2_MMIO_PHYS,
-                      CFG_PCI2_MMIO_SIZE,
-                      PCI_REGION_MEM);
-
-       /* PCI IO space */
-       pci_set_region(hose->regions + 2,
-                      CFG_PCI2_IO_BASE,
-                      CFG_PCI2_IO_PHYS,
-                      CFG_PCI2_IO_SIZE,
-                      PCI_REGION_IO);
-
-       /* System memory space */
-       pci_set_region(hose->regions + 3,
-                      CONFIG_PCI_SYS_MEM_BUS,
-                      CONFIG_PCI_SYS_MEM_PHYS,
-                      gd->ram_size,
-                      PCI_REGION_MEM | PCI_REGION_MEMORY);
-
-       hose->region_count = 4;
-
-       pci_setup_indirect(hose,
-                          (CFG_IMMR+0x8380),
-                          (CFG_IMMR+0x8384));
-
-       pci_register_hose(hose);
-
-       /*
-        * Write to Command register
-        */
-       reg16 = 0xff;
-       dev = PCI_BDF(hose->first_busno, 0, 0);
-       pci_hose_read_config_word (hose, dev, PCI_COMMAND, &reg16);
-       reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
-       pci_hose_write_config_word(hose, dev, PCI_COMMAND, reg16);
-
-       /*
-        * Clear non-reserved bits in status register.
-        */
-       pci_hose_write_config_word(hose, dev, PCI_STATUS, 0xffff);
-       pci_hose_write_config_byte(hose, dev, PCI_LATENCY_TIMER, 0x80);
-       pci_hose_write_config_byte(hose, dev, PCI_CACHE_LINE_SIZE, 0x08);
+       udelay(2000);
 
-       /*
-        * Hose scan.
-        */
-       hose->last_busno = pci_hose_scan(hose);
+#ifndef CONFIG_MPC83XX_PCI2
+       mpc83xx_pci_init(1, reg, 0);
+#else
+       mpc83xx_pci_init(2, reg, 0);
 #endif
-
 }
 
-#if defined(CONFIG_OF_LIBFDT)
-void ft_pci_setup(void *blob, bd_t *bd)
-{
-       int nodeoffset;
-       int tmp[2];
-       const char *path;
-
-       nodeoffset = fdt_path_offset(blob, "/aliases");
-       if (nodeoffset >= 0) {
-               path = fdt_getprop(blob, nodeoffset, "pci0", NULL);
-               if (path) {
-                       tmp[0] = cpu_to_be32(pci_hose[0].first_busno);
-                       tmp[1] = cpu_to_be32(pci_hose[0].last_busno);
-                       do_fixup_by_path(blob, path, "bus-range",
-                               &tmp, sizeof(tmp), 1);
-
-                       tmp[0] = cpu_to_be32(gd->pci_clk);
-                       do_fixup_by_path(blob, path, "clock-frequency",
-                               &tmp, sizeof(tmp[0]), 1);
-               }
-#ifdef CONFIG_MPC83XX_PCI2
-               path = fdt_getprop(blob, nodeoffset, "pci1", NULL);
-               if (path) {
-                       tmp[0] = cpu_to_be32(pci_hose[0].first_busno);
-                       tmp[1] = cpu_to_be32(pci_hose[0].last_busno);
-                       do_fixup_by_path(blob, path, "bus-range",
-                               &tmp, sizeof(tmp), 1);
-
-                       tmp[0] = cpu_to_be32(gd->pci_clk);
-                       do_fixup_by_path(blob, path, "clock-frequency",
-                               &tmp, sizeof(tmp[0]), 1);
-               }
-#endif
-       }
-}
-#endif /* CONFIG_OF_LIBFDT */
 #endif /* CONFIG_PCI */
index a53f5cd2612b6fab2cd5bd50a173f353caa6755c..d659a15b6d3dfd43c74eba76a7df6ddb70682c7f 100644 (file)
 
 #define CONFIG_NET_MULTI
 #define CONFIG_PCI_PNP         /* do pci plug-and-play */
+#define CONFIG_83XX_GENERIC_PCI
+#define CONFIG_83XX_PCI_STREAMING
 
 #undef CONFIG_EEPRO100
 #undef CONFIG_TULIP
 #endif
 
 #undef CONFIG_PCI_SCAN_SHOW            /* show pci devices on startup */
-#define CFG_PCI_SUBSYS_VENDORID 0x1057  /* Motorola */
+#define CFG_PCI_SUBSYS_VENDORID 0x1957  /* Freescale */
 
 #endif /* CONFIG_PCI */