diff options
Diffstat (limited to 'cpu/mpc85xx/pci.c')
-rw-r--r-- | cpu/mpc85xx/pci.c | 230 |
1 files changed, 0 insertions, 230 deletions
diff --git a/cpu/mpc85xx/pci.c b/cpu/mpc85xx/pci.c deleted file mode 100644 index 75d2716ef4..0000000000 --- a/cpu/mpc85xx/pci.c +++ /dev/null @@ -1,230 +0,0 @@ -/* - * Copyright 2004 Freescale Semiconductor. - * Copyright (C) 2003 Motorola Inc. - * Xianghua Xiao (x.xiao@motorola.com) - * - * 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 - */ - -/* - * PCI Configuration space access support for MPC85xx PCI Bridge - */ -#include <common.h> -#include <asm/cpm_85xx.h> -#include <pci.h> - -#if !defined(CONFIG_FSL_PCI_INIT) - -#ifndef CONFIG_SYS_PCI1_MEM_BUS -#define CONFIG_SYS_PCI1_MEM_BUS CONFIG_SYS_PCI1_MEM_BASE -#endif - -#ifndef CONFIG_SYS_PCI1_IO_BUS -#define CONFIG_SYS_PCI1_IO_BUS CONFIG_SYS_PCI1_IO_BASE -#endif - -#ifndef CONFIG_SYS_PCI2_MEM_BUS -#define CONFIG_SYS_PCI2_MEM_BUS CONFIG_SYS_PCI2_MEM_BASE -#endif - -#ifndef CONFIG_SYS_PCI2_IO_BUS -#define CONFIG_SYS_PCI2_IO_BUS CONFIG_SYS_PCI2_IO_BASE -#endif - -static struct pci_controller *pci_hose; - -void -pci_mpc85xx_init(struct pci_controller *board_hose) -{ - u16 reg16; - u32 dev; - - volatile ccsr_pcix_t *pcix = (void *)(CONFIG_SYS_MPC85xx_PCIX_ADDR); -#ifdef CONFIG_MPC85XX_PCI2 - volatile ccsr_pcix_t *pcix2 = (void *)(CONFIG_SYS_MPC85xx_PCIX2_ADDR); -#endif - volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); - struct pci_controller * hose; - - pci_hose = board_hose; - - hose = &pci_hose[0]; - - hose->first_busno = 0; - hose->last_busno = 0xff; - - pci_setup_indirect(hose, - (CONFIG_SYS_IMMR+0x8000), - (CONFIG_SYS_IMMR+0x8004)); - - /* - * Hose scan. - */ - dev = PCI_BDF(hose->first_busno, 0, 0); - pci_hose_read_config_word (hose, dev, PCI_COMMAND, ®16); - 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); - - if (!(gur->pordevsr & MPC85xx_PORDEVSR_PCI1)) { - /* PCI-X init */ - if (CONFIG_SYS_CLK_FREQ < 66000000) - printf("PCI-X will only work at 66 MHz\n"); - - reg16 = PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ - | PCI_X_CMD_ERO | PCI_X_CMD_DPERR_E; - pci_hose_write_config_word(hose, dev, PCIX_COMMAND, reg16); - } - - pcix->potar1 = (CONFIG_SYS_PCI1_MEM_BUS >> 12) & 0x000fffff; - pcix->potear1 = 0x00000000; - pcix->powbar1 = (CONFIG_SYS_PCI1_MEM_PHYS >> 12) & 0x000fffff; - pcix->powbear1 = 0x00000000; - pcix->powar1 = (POWAR_EN | POWAR_MEM_READ | - POWAR_MEM_WRITE | (__ilog2(CONFIG_SYS_PCI1_MEM_SIZE) - 1)); - - pcix->potar2 = (CONFIG_SYS_PCI1_IO_BUS >> 12) & 0x000fffff; - pcix->potear2 = 0x00000000; - pcix->powbar2 = (CONFIG_SYS_PCI1_IO_PHYS >> 12) & 0x000fffff; - pcix->powbear2 = 0x00000000; - pcix->powar2 = (POWAR_EN | POWAR_IO_READ | - POWAR_IO_WRITE | (__ilog2(CONFIG_SYS_PCI1_IO_SIZE) - 1)); - - pcix->pitar1 = 0x00000000; - pcix->piwbar1 = 0x00000000; - pcix->piwar1 = (PIWAR_EN | PIWAR_PF | PIWAR_LOCAL | - PIWAR_READ_SNOOP | PIWAR_WRITE_SNOOP | PIWAR_MEM_2G); - - pcix->powar3 = 0; - pcix->powar4 = 0; - pcix->piwar2 = 0; - pcix->piwar3 = 0; - - pci_set_region(hose->regions + 0, - CONFIG_SYS_PCI1_MEM_BUS, - CONFIG_SYS_PCI1_MEM_PHYS, - CONFIG_SYS_PCI1_MEM_SIZE, - PCI_REGION_MEM); - - pci_set_region(hose->regions + 1, - CONFIG_SYS_PCI1_IO_BUS, - CONFIG_SYS_PCI1_IO_PHYS, - CONFIG_SYS_PCI1_IO_SIZE, - PCI_REGION_IO); - - hose->region_count = 2; - - pci_register_hose(hose); - -#if defined(CONFIG_MPC8555CDS) || defined(CONFIG_MPC8541CDS) - /* - * This is a SW workaround for an apparent HW problem - * in the PCI controller on the MPC85555/41 CDS boards. - * The first config cycle must be to a valid, known - * device on the PCI bus in order to trick the PCI - * controller state machine into a known valid state. - * Without this, the first config cycle has the chance - * of hanging the controller permanently, just leaving - * it in a semi-working state, or leaving it working. - * - * Pick on the Tundra, Device 17, to get it right. - */ - { - u8 header_type; - - pci_hose_read_config_byte(hose, - PCI_BDF(0,BRIDGE_ID,0), - PCI_HEADER_TYPE, - &header_type); - } -#endif - - hose->last_busno = pci_hose_scan(hose); - -#ifdef CONFIG_MPC85XX_PCI2 - hose = &pci_hose[1]; - - hose->first_busno = pci_hose[0].last_busno + 1; - hose->last_busno = 0xff; - - pci_setup_indirect(hose, - (CONFIG_SYS_IMMR+0x9000), - (CONFIG_SYS_IMMR+0x9004)); - - dev = PCI_BDF(hose->first_busno, 0, 0); - pci_hose_read_config_word (hose, dev, PCI_COMMAND, ®16); - 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); - - pcix2->potar1 = (CONFIG_SYS_PCI2_MEM_BUS >> 12) & 0x000fffff; - pcix2->potear1 = 0x00000000; - pcix2->powbar1 = (CONFIG_SYS_PCI2_MEM_PHYS >> 12) & 0x000fffff; - pcix2->powbear1 = 0x00000000; - pcix2->powar1 = (POWAR_EN | POWAR_MEM_READ | - POWAR_MEM_WRITE | (__ilog2(CONFIG_SYS_PCI2_MEM_SIZE) - 1)); - - pcix2->potar2 = (CONFIG_SYS_PCI2_IO_BUS >> 12) & 0x000fffff; - pcix2->potear2 = 0x00000000; - pcix2->powbar2 = (CONFIG_SYS_PCI2_IO_PHYS >> 12) & 0x000fffff; - pcix2->powbear2 = 0x00000000; - pcix2->powar2 = (POWAR_EN | POWAR_IO_READ | - POWAR_IO_WRITE | (__ilog2(CONFIG_SYS_PCI2_IO_SIZE) - 1)); - - pcix2->pitar1 = 0x00000000; - pcix2->piwbar1 = 0x00000000; - pcix2->piwar1 = (PIWAR_EN | PIWAR_PF | PIWAR_LOCAL | - PIWAR_READ_SNOOP | PIWAR_WRITE_SNOOP | PIWAR_MEM_2G); - - pcix2->powar3 = 0; - pcix2->powar4 = 0; - pcix2->piwar2 = 0; - pcix2->piwar3 = 0; - - pci_set_region(hose->regions + 0, - CONFIG_SYS_PCI2_MEM_BUS, - CONFIG_SYS_PCI2_MEM_PHYS, - CONFIG_SYS_PCI2_MEM_SIZE, - PCI_REGION_MEM); - - pci_set_region(hose->regions + 1, - CONFIG_SYS_PCI2_IO_BUS, - CONFIG_SYS_PCI2_IO_PHYS, - CONFIG_SYS_PCI2_IO_SIZE, - PCI_REGION_IO); - - hose->region_count = 2; - - /* - * Hose scan. - */ - pci_register_hose(hose); - - hose->last_busno = pci_hose_scan(hose); -#endif -} -#endif /* !CONFIG_FSL_PCI_INIT */ |