summaryrefslogtreecommitdiff
path: root/board/mpc8349itx/pci.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/mpc8349itx/pci.c')
-rw-r--r--board/mpc8349itx/pci.c357
1 files changed, 0 insertions, 357 deletions
diff --git a/board/mpc8349itx/pci.c b/board/mpc8349itx/pci.c
deleted file mode 100644
index e81ad273568..00000000000
--- a/board/mpc8349itx/pci.c
+++ /dev/null
@@ -1,357 +0,0 @@
-/*
- * Copyright (C) Freescale Semiconductor, Inc. 2006. All rights reserved.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-
-#ifdef CONFIG_PCI
-
-#include <asm/mmu.h>
-#include <asm/global_data.h>
-#include <pci.h>
-#include <asm/mpc8349_pci.h>
-#include <i2c.h>
-#if defined(CONFIG_OF_FLAT_TREE)
-#include <ft_build.h>
-#endif
-
-DECLARE_GLOBAL_DATA_PTR;
-
-/* 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_mpc8349itx_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}
- },
- {}
-};
-#endif
-
-static struct pci_controller pci_hose[] = {
- {
-#ifndef CONFIG_PCI_PNP
- config_table:pci_mpc8349itx_config_table,
-#endif
- },
- {
-#ifndef CONFIG_PCI_PNP
- config_table:pci_mpc8349itx_config_table,
-#endif
- }
-};
-
-/**************************************************************************
- * pci_init_board()
- *
- * NOTICE: PCI2 is not currently supported
- *
- */
-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;
- u8 reg8;
- 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];
-
- /*
- * Configure PCI controller and PCI_CLK_OUTPUT both in 66M mode
- */
-
- reg32 = clk->occr;
- udelay(2000);
-
-#ifdef CONFIG_HARD_I2C
- i2c_set_bus_num(1);
- /* Read the PCI_M66EN jumper setting */
- if ((i2c_read(CFG_I2C_8574_ADDR2, 0, 0, &reg8, sizeof(reg8)) == 0) ||
- (i2c_read(CFG_I2C_8574A_ADDR2, 0, 0, &reg8, sizeof(reg8)) == 0)) {
- if (reg8 & I2C_8574_PCI66)
- clk->occr = 0xff000000; /* 66 MHz PCI */
- else
- clk->occr = 0xff600001; /* 33 MHz PCI */
- } else {
- clk->occr = 0xff600001; /* 33 MHz PCI */
- }
-#else
- clk->occr = 0xff000000; /* 66 MHz PCI */
-#endif
-
- 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
- */
- 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_32M;
-
- /*
- * 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;
-
- /* 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_16M;
-
- /* 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;
-
- /*
- * 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;
-
- /* 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_16M;
-
- /* 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;
-
- /*
- * 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);
-
- /*
- * Hose scan.
- */
- hose->last_busno = pci_hose_scan(hose);
-#endif
-}
-
-#endif /* CONFIG_PCI */
-#ifdef CONFIG_OF_FLAT_TREE
-void
-ft_pci_setup(void *blob, bd_t *bd)
-{
- u32 *p;
- int len;
-
- p = (u32 *)ft_get_prop(blob, "/" OF_SOC "/pci@8500/bus-range", &len);
- if (p != NULL) {
- p[0] = pci_hose[0].first_busno;
- p[1] = pci_hose[0].last_busno;
- }
-
-#ifdef CONFIG_MPC83XX_PCI2
- p = (u32 *)ft_get_prop(blob, "/" OF_SOC "/pci@8600/bus-range", &len);
- if (p != NULL) {
- p[0] = pci_hose[1].first_busno;
- p[1] = pci_hose[1].last_busno;
- }
-#endif
-}
-#endif /* CONFIG_OF_FLAT_TREE */